{"id":121397,"date":"2026-11-02T17:32:46","date_gmt":"2026-11-02T09:32:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/121397.html"},"modified":"2026-11-02T17:32:46","modified_gmt":"2026-11-02T09:32:46","slug":"av2-%e5%ae%9a%e7%a8%bf%e5%86%b2%e5%88%ba%ef%bc%9a%e5%85%8d%e7%89%88%e7%a8%8e%e9%98%b5%e8%90%a5%e7%9a%84%e9%97%aa%e7%94%b5%e6%88%98-%e4%bb%8e-v1-0-0-%e8%a7%84%e8%8c%83%e5%88%b0-youtube","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/121397.html","title":{"rendered":"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf"},"content":{"rendered":"

<\/h2>\n

2026 \u5e74 5 \u6708 28 \u65e5，AOMedia \u53d1\u5e03 AV2 \u89c4\u8303 v1.0.0 \u53ca\u914d\u5957\u53c2\u8003\u8f6f\u4ef6 AVM v1.0.0，6 \u6708 9 \u65e5\u6b63\u5f0f\u5b98\u5ba3\u3002Chrome \u5df2\u5b8c\u6210 AV2 \u64ad\u653e\u6f14\u793a，Google \u786e\u8ba4 YouTube \u7f51\u9875\u7248\u6700\u65e9 2027 \u5e74\u521d\u63d0\u4f9b AV2 \u7801\u6d41\u3002\u5b98\u65b9\u53e3\u5f84：\u540c\u7b49\u753b\u8d28\u8f83 AV1 \u5e73\u5747\u7701\u7ea6 30% \u7801\u7387（PSNR-YUV \u221228.63%，VMAF \u221232.59%），\u4e3b\u89c2\u753b\u8d28\u589e\u76ca\u63a5\u8fd1 40%\u3002\u4ece\u89c4\u8303\u5b9a\u7a3f\u5230\u5934\u90e8\u5e73\u53f0\u5b98\u5ba3\u4e0a\u7ebf\u65f6\u95f4\u8868，AV2 \u53ea\u7528\u4e86\u4e0d\u5230\u534a\u5e74\u2014\u2014\u8fd9\u4e2a\u901f\u5ea6，\u6bd4 AV1 \u5f53\u5e74\u5feb\u4e86\u4e00\u4e2a\u6863\u4f4d，\u4e5f\u628a\u4e09\u5e74\u540e\u624d\u5b9a\u7a3f\u7684 H.267 \u903c\u8fdb\u4e86\u4e00\u573a\u4e0d\u5bf9\u79f0\u7ade\u8d5b\u3002<\/p>\n

\u6458\u8981<\/h3>\n

\u672c\u6587\u662f AV2 \u5b9a\u7a3f\u540e\u7b2c\u4e00\u6ce2\u7cfb\u7edf\u6027\u5206\u6790，\u8986\u76d6\u56db\u5c42\u5185\u5bb9：<\/p>\n

  • \u4e8b\u4ef6\u4e0e\u65f6\u95f4\u7ebf：v1.0.0 \u5b9a\u7a3f\u524d\u540e\u7684\u5b8c\u6574\u8282\u70b9\u8fd8\u539f，\u4ee5\u53ca"\u89c4\u8303\u5148\u884c\u3001\u751f\u6001\u540c\u6b65"\u7684\u53d1\u5e03\u7b56\u7565；<\/li>\n
  • 30% \u7684\u8d26\u672c：AVM 2025 \u5e74 10 \u6708\u57fa\u51c6\u6d4b\u8bd5\u7684\u53e3\u5f84\u62c6\u89e3\u2014\u2014PSNR-YUV \u221228.63% \u4e0e VMAF \u221232.59% \u4e24\u4e2a\u6570\u5b57\u5dee\u4e86 4 \u4e2a\u767e\u5206\u70b9，\u8fd9\u4e2a\u5dee\u503c\u672c\u8eab\u5c31\u662f\u4fe1\u606f\u91cf；<\/li>\n
  • \u6280\u672f\u5185\u6838：\u4ee5 TIP（\u65f6\u57df\u63d2\u503c\u9884\u6d4b）\u4e3a\u89e3\u5256\u6837\u672c，\u7ed9\u51fa\u8fd0\u52a8\u573a\u63d2\u503c\u516c\u5f0f\u4e0e dav2d \u5b9e\u6d4b\u6210\u672c；\u5feb\u901f\u76d8\u70b9 256\u00d7256 \u8d85\u7ea7\u5757\u3001TCQ\u3001CCSO\/GDF\u3001\u6570\u636e\u9a71\u52a8\u5e27\u5185\u9884\u6d4b\u7b49\u65b0\u589e\u5de5\u5177；<\/li>\n
  • \u751f\u6001\u4e0e\u535a\u5f08：dav2d \u6bd4 dav1d \u6162 4 \u500d\u610f\u5473\u7740\u4ec0\u4e48\u3001\u786c\u4ef6\u89e3\u7801 IP \u5df2\u5c31\u4f4d\u4f46\u65e0\u6574\u673a\u3001\u514d\u7248\u7a0e\u653f\u7b56\u88ab Sisvel \u4e0e Access Advance \u53cc\u4e13\u5229\u6c60\u6e17\u900f\u7684\u771f\u5b9e\u8fb9\u754c，\u4ee5\u53ca AV2 \u4e0e H.267 \u7684\u65f6\u95f4\u7ebf\u8d5b\u8dd1\u3002<\/li>\n

    \u5de5\u5177\u7ea7\u9010\u9879\u6df1\u6316\u5df2\u6709\u4e13\u6587（\u300aAV2 \u6df1\u5ea6\u62c6\u89e3：30% \u7801\u7387\u7ea2\u5229\u5230\u5e95\u4ece\u54ea\u6765？\u300b），\u672c\u6587\u4e0d\u91cd\u590d\u5c55\u5f00，\u805a\u7126\u5de5\u5177\u4e4b\u4e0a\u7684\u7cfb\u7edf\u3001\u6210\u672c\u4e0e\u683c\u5c40\u3002<\/p>\n

    \n

    \u4e00\u3001\u4e8b\u4ef6\u68b3\u7406：\u4e00\u6b21\u523b\u610f\u538b\u7f29\u4e86\u5468\u671f\u7684\u6807\u51c6\u53d1\u5e03<\/h3>\n

    1.1 \u5b8c\u6574\u65f6\u95f4\u7ebf<\/h4>\n\n\u8282\u70b9\u65f6\u95f4\u5185\u5bb9<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
    AVM \u57fa\u51c6\u6d4b\u8bd5（\u5bf9\u5916\u62ab\u9732\u53e3\u5f84）<\/td>\n2025 \u5e74 10 \u6708<\/td>\nAV2 vs AV1：PSNR-YUV \u221228.63%，VMAF \u221232.59%<\/td>\n<\/tr>\n
    \u5de5\u4f5c\u8349\u6848 v13<\/td>\n2026 \u5e74 1 \u6708 5 \u65e5<\/td>\n\u6700\u540e\u4e00\u7248\u5de5\u4f5c\u8349\u6848，\u5de5\u5177\u5df2\u51bb\u7ed3<\/td>\n<\/tr>\n
    CES 2026<\/td>\n2026 \u5e74 1 \u6708<\/td>\nVLC 4.0 \u5728 MacBook Pro \u4e0a\u73b0\u573a\u6f14\u793a AV2 \u64ad\u653e<\/td>\n<\/tr>\n
    \u89c4\u8303 v1.0.0 + AVM v1.0.0<\/td>\n2026 \u5e74 5 \u6708 28 \u65e5<\/td>\nAV2 \u6bd4\u7279\u6d41\u4e0e\u89e3\u7801\u8fc7\u7a0b\u89c4\u8303\u9996\u4e2a\u6b63\u5f0f\u7248\u672c<\/td>\n<\/tr>\n
    \u5b98\u65b9\u516c\u544a<\/td>\n2026 \u5e74 6 \u6708 9 \u65e5<\/td>\nAOMedia \u6b63\u5f0f\u53d1\u5e03 AV2 Codec<\/td>\n<\/tr>\n
    \u786c\u4ef6\u89e3\u7801 IP<\/td>\n2026 \u5e74 6 \u6708<\/td>\nVeriSilicon VC9800D\u3001Chips&Media\u3001Allegro DVT Pulsar D400 \u7cfb\u5217\u53d1\u5e03<\/td>\n<\/tr>\n
    IBC 2026<\/td>\n2026 \u5e74 9 \u6708<\/td>\n\u6210\u5458\u5c55\u793a AV2 \u751f\u6001；Intel \u5c55\u793a SVT-AV2 \u7f16\u7801\u5668<\/td>\n<\/tr>\n
    libaom v3.15<\/td>\n2026 \u5e74 9 \u6708 26 \u65e5<\/td>\n\u53c2\u8003\u7f16\u7801\u5668\u6301\u7eed\u8fed\u4ee3<\/td>\n<\/tr>\n
    AOMedia "\u56db\u4e2a\u6708\u5feb\u901f\u91c7\u7528"\u901a\u62a5<\/td>\n2026 \u5e74 10 \u6708 22 \u65e5<\/td>\n\u5ba3\u79f0\u751f\u6001\u91c7\u7528\u901f\u5ea6\u8d85\u9884\u671f<\/td>\n<\/tr>\n
    YouTube \u7f51\u9875\u7248 AV2<\/td>\n\u6700\u65e9 2027 \u5e74\u521d（\u76ee\u6807）<\/td>\nChrome \u5df2\u5b8c\u6210\u64ad\u653e\u6f14\u793a，\u7070\u5ea6\u4e0a\u7ebf\u9884\u671f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u65f6\u95f4\u7ebf\u4e0a\u6709\u4e24\u4e2a\u503c\u5f97\u6ce8\u610f\u7684\u5de5\u7a0b\u51b3\u7b56：<\/p>\n

    \u7b2c\u4e00，v13 \u8349\u6848\u5c31\u662f"\u5de5\u5177\u51bb\u7ed3"\u7248\u672c\u3002 AOMedia \u89c6\u9891\u7f16\u89e3\u7801\u5de5\u4f5c\u7ec4\u8054\u5e2d\u4e3b\u5e2d Andrey Norkin（NVIDIA）\u4e0e Adrian Grange（Google）\u5728\u5b98\u65b9\u8bbf\u8c08\u4e2d\u660e\u786e：\u9884\u89c8\u7248\u523b\u610f\u505a\u6210 tool-complete，\u8ba9\u786c\u4ef6\u5382\u5546\u5728\u89c4\u8303\u9501\u5b9a\u524d\u5c31\u542f\u52a8\u8bbe\u8ba1\u3002\u8fd9\u662f\u5bf9 AV1 \u65f6\u4ee3\u6559\u8bad\u7684\u4fee\u6b63\u2014\u2014AV1 2018 \u5e74\u5b9a\u7a3f，Intel \u76f4\u5230 2020 \u5e74 Tiger Lake \u624d\u6709\u786c\u4ef6\u89e3\u7801，\u4e2d\u95f4\u4e24\u5e74\u7a7a\u7a97\u5c31\u662f\u56e0\u4e3a\u786c\u4ef6\u8bbe\u8ba1\u7b49\u89c4\u8303\u3002AV2 \u8fd9\u6b21\u628a preview \u63d0\u524d\u4e86\u7ea6 4 \u4e2a\u6708，\u5c31\u662f\u8981\u628a\u89c4\u8303\u5230\u82af\u7247\u7684 lead time \u538b\u77ed\u3002<\/p>\n

    \u7b2c\u4e8c，\u7f16\u7801\u5de5\u5177\u51bb\u7ed3\u3001\u89c4\u8303\u7ee7\u7eed\u6f14\u8fdb\u3002 \u672a\u6765\u7248\u672c\u53ea\u52a0 Profile \u548c\u5143\u6570\u636e（\u5df2\u542f\u52a8 12-bit \u4e13\u4e1a\u5f71\u9662\/HDR Profile \u9879\u76ee），\u6838\u5fc3\u7f16\u7801\u5de5\u5177\u4e0d\u518d\u53d8\u3002\u8fd9\u610f\u5473\u7740\u6309 v1.0.0 \u5f00\u53d1\u7684\u89e3\u7801\u5668\u662f\u957f\u671f\u6709\u6548\u7684\u8d44\u4ea7\u2014\u2014\u8fd9\u662f\u6807\u51c6\u5de5\u7a0b\u91cc"\u5411\u540e\u517c\u5bb9\u627f\u8bfa"\u7684\u6b63\u5f0f\u5151\u73b0，\u6bd4 H.26x \u7cfb\u5217\u7684\u4e60\u60ef\u505a\u6cd5（Main profile \u957f\u671f\u9501\u6b7b）\u53e3\u5f84\u4e00\u81f4，\u4f46\u53d1\u5e03\u8282\u594f\u5feb\u5f97\u591a\u3002<\/p>\n

    1.2 \u4e0e AV1 \u5b9a\u7a3f\u540e\u7684\u8282\u594f\u5bf9\u7167<\/h4>\n\n\u7ef4\u5ea6AV1AV2<\/tr>\n\n\n\n\n\n
    \u89c4\u8303\u5b9a\u7a3f<\/td>\n2018 \u5e74\u4e2d<\/td>\n2026 \u5e74 5 \u6708<\/td>\n<\/tr>\n
    \u9996\u4e2a\u786c\u4ef6\u89e3\u7801<\/td>\nIntel Tiger Lake（2020 \u5e74，\u95f4\u9694\u7ea6 2 \u5e74）<\/td>\n\u9996\u6279 SoC \u9884\u8ba1 2027 \u5e74\u8d77（\u89e3\u7801 IP \u5df2\u5c31\u4f4d，\u95f4\u9694\u7ea6 1 \u5e74）<\/td>\n<\/tr>\n
    \u5934\u90e8\u5e73\u53f0\u4e0a\u7ebf<\/td>\nYouTube\/Netflix \u9010\u6b65\u7070\u5ea6（2019\u20132020）<\/td>\nYouTube \u5b98\u5ba3\u76ee\u6807 2027 \u5e74\u521d（\u95f4\u9694 <1 \u5e74）<\/td>\n<\/tr>\n
    \u8f6f\u4ef6\u89e3\u7801\u5668<\/td>\ndav1d（2020 \u5e74\u6210\u719f）<\/td>\ndav2d \u4e0e\u89c4\u8303\u540c\u6b65\u53d1\u5e03（2026 \u5e74 5 \u6708）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5468\u671f\u538b\u7f29\u7684\u903b\u8f91\u5f88\u76f4\u63a5：AV1 \u65f6\u4ee3 AOMedia \u7528\u4e86\u4e24\u5e74\u624d\u8ba9"\u89c4\u8303\u2192\u8f6f\u4ef6\u2192\u786c\u4ef6\u2192\u5e73\u53f0"\u56db\u4ef6\u5957\u8f6c\u8d77\u6765；AV2 \u65f6\u4ee3\u8fd9\u5957\u57fa\u7840\u8bbe\u65bd（dav2d \u56e2\u961f\u3001OBU \u5c01\u88c5\u3001ISO-BMFF \u7ed1\u5b9a\u3001\u8f6c\u7801\u7ba1\u7ebf）\u5168\u662f\u73b0\u6210\u7684，\u751f\u6001\u590d\u7528\u662f AV2 \u6700\u5927\u7684\u975e\u6280\u672f\u4f18\u52bf\u3002<\/p>\n

    \n

    \u4e8c\u300130% \u7684\u8d26\u672c：\u600e\u4e48\u8bfb\u8fd9\u4e24\u4e2a\u6570\u5b57<\/h3>\n

    2.1 \u6d4b\u8bd5\u53e3\u5f84<\/h4>\n

    AVM 2025 \u5e74 10 \u6708\u7684\u57fa\u51c6\u6d4b\u8bd5（\u5b98\u65b9\u5f15\u7528\u81f3\u4eca\u7684\u6570\u5b57）：<\/p>\n

      \n
    • PSNR-YUV（4:2:0）\u53e3\u5f84：\u8f83 AV1 \u7801\u7387 \u221228.63%<\/li>\n
    • VMAF \u53e3\u5f84：\u8f83 AV1 \u7801\u7387 \u221232.59%<\/li>\n
    • \u4e3b\u89c2\u753b\u8d28\u6d4b\u8bd5\u7684\u589e\u76ca\u9884\u671f\u63a5\u8fd1 \u221240%<\/li>\n<\/ul>\n

      \u4e24\u4e2a\u6307\u6807\u5dee 3.96 \u4e2a\u767e\u5206\u70b9，\u8fd9\u4e2a\u5dee\u503c\u4e0d\u662f\u566a\u58f0，\u662f\u53ef\u4ee5\u89e3\u8bfb\u7684\u4fe1\u53f7：<\/p>\n

      VMAF \u589e\u76ca > PSNR \u589e\u76ca，\u8bf4\u660e AV2 \u7684\u5de5\u5177\u7ec4\u5408\u5728"\u611f\u77e5\u52a0\u6743\u654f\u611f"\u7684\u533a\u57df\u6536\u76ca\u66f4\u9ad8\u3002 VMAF \u7684\u7279\u5f81\u878d\u5408（VIF + DLM + \u8fd0\u52a8\u63a9\u7801）\u5bf9\u4eba\u773c\u654f\u611f\u7684\u7eb9\u7406\u4fdd\u771f\u3001\u8fb9\u7f18\u9510\u5ea6\u66f4\u654f\u611f\u3002AV2 \u65b0\u589e\u7684\u73af\u8def\u6ee4\u6ce2\u7ec4\u5408（\u65b0\u53bb\u5757 + GDF \u5f15\u5bfc\u7ec6\u8282\u6ee4\u6ce2 + CCSO \u8de8\u5206\u91cf\u6837\u672c\u504f\u79fb）\u548c\u80f6\u7247\u9897\u7c92\u5408\u6210\u7684\u5347\u7ea7，\u6070\u597d\u662f"PSNR \u4e0d\u5360\u4f18\u4f46\u4e3b\u89c2\/\u611f\u77e5\u663e\u8457\u53d8\u597d"\u7684\u5de5\u5177\u7c7b\u578b\u3002\u8fd9\u4e2a 4 \u4e2a\u767e\u5206\u70b9\u7684\u5dee\u503c，\u5c31\u662f\u73af\u8def\u6ee4\u6ce2\u7c7b\u5de5\u5177\u8d21\u732e\u7684\u7c97\u7565\u6307\u7eb9\u3002<\/p>\n

      \u5bf9\u505a\u7f16\u7801\u5668\u8c03\u4f18\u7684\u8bfb\u8005，\u8fd9\u662f\u4e2a\u53ef\u64cd\u4f5c\u7684\u4fe1\u606f：\u5982\u679c\u4f60\u7684\u573a\u666f\u7528 VMAF \u505a\u7801\u63a7\u76ee\u6807（\u6d41\u5a92\u4f53\u5927\u591a\u5982\u6b64），AV2 \u7684\u5b9e\u9645\u6536\u76ca\u4f1a\u6bd4 PSNR \u53e3\u5f84\u7684 28.63% \u66f4\u63a5\u8fd1 33%\u3002 \u53cd\u8fc7\u6765，\u5982\u679c\u4f60\u7684\u4e0b\u6e38\u7528\u673a\u5668\u89c6\u89c9\u6307\u6807\u9a8c\u6536（\u5982\u5de5\u4e1a\u68c0\u6d4b），PSNR \u53e3\u5f84\u66f4\u63a5\u8fd1\u771f\u5b9e\u6536\u76ca\u3002<\/p>\n

      2.2 BD-rate \u65b9\u6cd5\u8bba\u63d0\u793a<\/h4>\n

      \u6240\u6709\u5bf9\u6bd4\u6570\u5b57\u90fd\u662f Bj\u00f8ntegaard \u610f\u4e49\u4e0a\u7684：\u5bf9\u6570\u57df\u7801\u7387-\u5931\u771f\u4e09\u6b21\u591a\u9879\u5f0f\u62df\u5408\u540e\u79ef\u5206\u6c42\u5dee，\u591a\u5e8f\u5217\u51e0\u4f55\u5e73\u5747\u3002\u56de\u987e\u516c\u5f0f：<\/p>\n

      log\u206110(R)=a\u22c5D3+b\u22c5D2+c\u22c5D+d,\u0394R=\u222bDminDmax(10Rtest(D)\u221210Ranchor(D))dD\u222bDminDmax10Ranchor(D)dD
      \n\\\\log_{10}(R) = a \\\\cdot D^3 + b \\\\cdot D^2 + c \\\\cdot D + d, \\\\qquad
      \n\\\\Delta R = \\\\frac{\\\\int_{D_{min}}^{D_{max}} \\\\left( 10^{R_{test}(D)} – 10^{R_{anchor}(D)} \\\\right) dD}{\\\\int_{D_{min}}^{D_{max}} 10^{R_{anchor}(D)} dD}
      \n<\/span><\/span>log<\/span><\/span><\/span>10<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>R<\/span>)<\/span><\/span>=<\/span><\/span><\/span><\/span>a<\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>D<\/span><\/span>3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span><\/span><\/span>b<\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>D<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span><\/span><\/span>c<\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>D<\/span><\/span>+<\/span><\/span><\/span><\/span>d<\/span>,<\/span><\/span><\/span>\u0394<\/span>R<\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>\u222b<\/span><\/span>D<\/span><\/span>min<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>D<\/span><\/span>ma<\/span>x<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>1<\/span>0<\/span><\/span>R<\/span><\/span>an<\/span>c<\/span>h<\/span>or<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>D<\/span>)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>d<\/span>D<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u222b<\/span><\/span>D<\/span><\/span>min<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>D<\/span><\/span>ma<\/span>x<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span><\/span>1<\/span>0<\/span><\/span>R<\/span><\/span>t<\/span>es<\/span>t<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>D<\/span>)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u2212<\/span><\/span>1<\/span>0<\/span><\/span>R<\/span><\/span>an<\/span>c<\/span>h<\/span>or<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>D<\/span>)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span>d<\/span>D<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \u8bfb AV2 \u6027\u80fd\u6570\u5b57\u65f6\u5fc5\u987b\u76ef\u4f4f\u4e09\u4ef6\u4e8b：\u6d4b\u8bd5\u96c6\u6784\u6210（AOMedia \u7684 CTB \u96c6\u5408\u91cc\u5c4f\u5e55\u5185\u5bb9\u4e0e\u81ea\u7136\u5185\u5bb9\u7684\u914d\u6bd4）\u3001\u951a\u70b9\u7f16\u7801\u5668\u7248\u672c（AV1 \u951a\u70b9\u662f libaom \u8fd8\u662f SVT-AV1，\u6027\u80fd\u5dee 10% \u4ee5\u4e0a）\u3001\u901f\u7387\u70b9\u6570\u91cf\u3002AOMedia \u5b98\u65b9\u6ca1\u6709\u50cf JVET \u90a3\u6837\u5f3a\u5236\u516c\u5f00\u5b8c\u6574\u6d4b\u8bd5\u6761\u4ef6\u5230\u6587\u6863\u7ea7，\u7b2c\u4e09\u65b9\u590d\u73b0\u65f6\u8fd9\u51e0\u4e2a\u53d8\u91cf\u5fc5\u987b\u81ea\u5df1\u9489\u6b7b\u2014\u2014\u8fd9\u662f\u590d\u73b0 AV2 \u6570\u636e\u6700\u5bb9\u6613\u8e29\u7684\u5751\u3002<\/p>\n

      2.3 \u4ee3\u9645\u5750\u6807\u7cfb<\/h4>\n

      \u628a AV2 \u653e\u8fdb\u5341\u5e74\u5750\u6807\u91cc：<\/p>\n\n\u4ee3\u9645\u53e3\u5f84\u7801\u7387\u8282\u7701<\/tr>\n\n\n\n\n\n\n
      AV1 vs HEVC<\/td>\nAOMedia \u5b98\u65b9<\/td>\n\u7ea6 30%<\/td>\n<\/tr>\n
      VVC vs HEVC<\/td>\nJVET \u5b98\u65b9<\/td>\n\u7ea6 50%<\/td>\n<\/tr>\n
      AV2 vs AV1<\/td>\nAOMedia \u5b98\u65b9<\/td>\n\u7ea6 30%（\u4e3b\u89c2\u63a5\u8fd1 40%）<\/td>\n<\/tr>\n
      ECM（\u7814\u7a76\u6a21\u578b）vs VVC<\/td>\nJVET<\/td>\n28%（\u81ea\u7136\u5185\u5bb9）<\/td>\n<\/tr>\n
      H.267 vs VVC（\u9884\u671f）<\/td>\n\u5e02\u573a\u9884\u671f<\/td>\n20%\u201340%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u8fd9\u5f20\u8868\u91cc\u6700\u6709\u610f\u601d\u7684\u662f AV2 vs AV1 \u4e0e ECM vs VVC \u51e0\u4e4e\u540c\u5e45（30% \u4e0a\u4e0b）\u2014\u2014\u4e24\u6761\u8def\u7ebf（\u514d\u7248\u7a0e\u8054\u76df vs \u4e13\u5229\u6c60\u6807\u51c6）\u5728\u4f20\u7edf\u5de5\u5177\u6df1\u6c34\u533a\u7684\u6316\u6398\u80fd\u529b\u8d8b\u540c\u4e86\u3002\u5dee\u5f02\u4e0d\u5728\u6548\u7387，\u5728\u65f6\u95f4\u7ebf\u548c\u6388\u6743\u6a21\u5f0f，\u8fd9\u662f\u540e\u6587\u7684\u4e3b\u7ebf\u3002<\/p>\n

      \n

      \u4e09\u3001\u6280\u672f\u5185\u6838：\u67b6\u6784\u5ef6\u7eed\u6027\u4e0e\u4e94\u4e2a\u589e\u91cf\u70b9<\/h3>\n

      AV2 \u4fdd\u7559\u4e86 AV1 \u7684\u5168\u90e8\u9aa8\u67b6：\u5757\u57fa\u6df7\u5408\u7f16\u7801（\u5e27\u5185\/\u5e27\u95f4\u9884\u6d4b \u2192 \u6b8b\u5dee\u53d8\u6362 \u2192 \u91cf\u5316 \u2192 \u591a\u7b26\u53f7\u7b97\u672f\u71b5\u7f16\u7801）\u3001OBU（Open Bitstream Unit）\u5c01\u88c5\u3001\u65e0\u663e\u5f0f\u5e27\u7c7b\u578b\u9650\u5236\u7684\u53c2\u8003\u5e27\u7ba1\u7406\u3002\u53d8\u5316\u5168\u90e8\u53d1\u751f\u5728\u5de5\u5177\u5c42\u3002\u4ee5\u4e0b\u6309\u6536\u76ca\u8d21\u732e\u4ece\u67b6\u6784\u7ea7\u5230\u7ec6\u8282\u7ea7\u6392\u5e8f\u3002<\/p>\n

      3.1 256\u00d7256 \u8d85\u7ea7\u5757 + \u5168\u9012\u5f52\u5212\u5206<\/h4>\n

      \u8d85\u7ea7\u5757\u4e0a\u9650\u4ece AV1 \u7684 128\u00d7128 \u63d0\u5230 256\u00d7256（\u4ec5\u5e27\u95f4\u53ef\u7528，\u5e27\u5185\u4ecd\u4ece 64\u00d764 \u8d77\u5212\u5206），\u7f16\u7801\u6811\u9012\u5f52\u7ec6\u5206\u5230 4\u00d74，\u5206\u533a\u8bed\u6cd5\u5168\u9012\u5f52\u5316\u3002\u6536\u76ca\u903b\u8f91\u662f\u53cc\u5411\u7684：8K\/\u9ad8\u5206\u8fa8\u7387\u573a\u666f\u4e0b，\u5e73\u5766\u533a\u57df\u53ef\u4ee5\u7528\u66f4\u5927\u7684\u5757\u644a\u8584\u5934\u4fe1\u606f；\u800c\u9012\u5f52\u5212\u5206\u4fdd\u8bc1\u4e86\u7ec6\u8282\u533a\u57df\u4e0d\u53d7\u5927\u5757\u7c92\u5ea6\u62d6\u7d2f\u3002\u8fd9\u662f 4K\/8K \u5185\u5bb9\u4e0a\u589e\u76ca\u7684\u4e3b\u8981\u6765\u6e90\u4e4b\u4e00\u3002\u4ee3\u4ef7\u662f RDO \u5206\u652f\u56e0\u5b50\u589e\u5927\u2014\u2014\u7f16\u7801\u5668\u590d\u6742\u5ea6\u7684\u4e3b\u8981\u589e\u957f\u70b9\u3002<\/p>\n

      3.2 TIP：\u96f6\u4fe1\u4ee4\u6210\u672c\u7684\u65f6\u57df\u63d2\u503c\u9884\u6d4b<\/h4>\n

      AV2 \u5e27\u95f4\u9884\u6d4b\u5de5\u5177\u7bb1\u91cc\u6700\u62db\u724c\u7684\u4e00\u4e2a，\u4e5f\u662f\u89e3\u7801\u590d\u6742\u5ea6\u6700\u5927\u7684\u5355\u4e00\u6765\u6e90\u3002\u62ff\u5b83\u505a\u89e3\u5256\u6837\u672c，\u56e0\u4e3a\u5b83\u5b8c\u7f8e\u5c55\u793a\u4e86 AV2 \u7684\u8bbe\u8ba1\u54f2\u5b66：\u7528\u89e3\u7801\u7aef\u8ba1\u7b97\u6362\u7801\u6d41\u6bd4\u7279\u3002<\/p>\n

      \u6838\u5fc3\u673a\u5236（\u4ee5 dav2d \u8d1f\u8d23\u4eba Ronald Bultje \u5728 VideoLAN Developer Days 2026 \u7684\u62c6\u89e3\u4e3a\u51c6）：<\/p>\n

    • \u7f16\u7801\u5f53\u524d\u5e27 C（t=0），\u5df2\u6709\u524d\u5411\u53c2\u8003\u5e27 R0（t=\u22122）\u548c\u540e\u5411\u53c2\u8003\u5e27 R1（t=+2）；<\/li>\n
    • \u89e3\u7801\u7aef\u4ece\u5df2\u6709\u53c2\u8003\u5e27\u7684\u8fd0\u52a8\u573a（TMVP）\u51fa\u53d1，\u6309\u65f6\u95f4\u8ddd\u79bb\u7ebf\u6027\u63d2\u503c\u51fa\u4e2d\u95f4\u865a\u62df\u5e27\u7684\u8fd0\u52a8\u573a：<\/li>\n

      MVvirtual=d0d0+d1\u22c5MV0+d1d0+d1\u22c5MV1
      \nMV_{virtual} = \\\\frac{d_0}{d_0 + d_1} \\\\cdot MV_0 + \\\\frac{d_1}{d_0 + d_1} \\\\cdot MV_1
      \n<\/span><\/span>M<\/span>V<\/span><\/span>v<\/span>i<\/span>r<\/span>t<\/span>u<\/span>a<\/span>l<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>d<\/span><\/span>0<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span>d<\/span><\/span>1<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>d<\/span><\/span>0<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>M<\/span>V<\/span><\/span>0<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span><\/span><\/span><\/span><\/span>d<\/span><\/span>0<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>+<\/span><\/span>d<\/span><\/span>1<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>d<\/span><\/span>1<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>M<\/span>V<\/span><\/span>1<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

    • \u5728\u4e00\u4e2a 64\u00d764 TIP \u5757\u5185，\u8fd0\u52a8\u573a\u7ec6\u5230 \u6bcf\u4e2a 8\u00d78 \u5b50\u5757\u4e00\u4e2a MV（\u5206\u8fa8\u7387\u9ad8\u4e8e\u5757\u5212\u5206）；<\/li>\n
    • \u6bcf\u4e2a 8\u00d78 \u5b50\u5757\u505a SAD \u7cbe\u4fee：\u6c34\u5e73\/\u5782\u76f4 \u00b11\u3001\u00b12 \u50cf\u7d20，25 \u4e2a\u4f4d\u7f6e\u53d6\u5931\u771f\u6700\u5c0f\u8005；<\/li>\n
    • \u4e9a\u50cf\u7d20\u7ea7\u518d\u505a\u5149\u6d41\u56de\u5f52\u7cbe\u4fee，\u627e\u5230\u6700\u4f18\u4e9a\u50cf\u7d20\u4f4d\u7f6e；<\/li>\n
    • \u7531\u6b64\u751f\u6210\u7684"\u865a\u62df\u53c2\u8003\u5e27"\u8fdb\u5165\u5e38\u89c4\u53cc\u5411\u9884\u6d4b\u5408\u6210，\u6b8b\u5dee\u6b63\u5e38\u7f16\u7801\u3002<\/li>\n

      \u5173\u952e\u70b9：\u8fd9\u6761\u94fe\u8def\u5168\u90e8\u7531\u89c4\u8303\u89c4\u5b9a\u3001\u89e3\u7801\u7aef\u81ea\u52a8\u6267\u884c，\u8fd0\u52a8\u77e2\u91cf\u6bd4\u7279\u5f00\u9500\u4e3a\u96f6\u3002 \u5728\u6781\u4f4e\u7801\u7387\u914d\u7f6e\u4e0b（\u8fd0\u52a8\u4fe1\u4ee4\u53ef\u5360\u7801\u6d41 30% \u4ee5\u4e0a），\u8fd9\u5c31\u662f TIP \u7684\u589e\u76ca\u6765\u6e90\u3002<\/p>\n

      \u4f46\u6210\u672c\u8d26\u4e5f\u8981\u7b97\u6e05\u3002dav2d \u5b9e\u6d4b（720p 8-bit，\u5355\u7ebf\u7a0b\u53e3\u5f84）：dav1d \u7ea6 750 fps，dav2d \u7ea6 350 fps（\u591a\u7ebf\u7a0b）\u2014\u2014dav2d \u76ee\u524d\u6bd4 dav1d \u6162\u7ea6 4 \u500d\u3002\u8017\u65f6\u5927\u5934\u4f9d\u6b21\u4e3a\u8fd0\u52a8\u573a\u5206\u8fa8\u7387\u3001\u5e27\u5185\u9884\u6d4b\u3001\u5e27\u95f4\u9884\u6d4b\u3001\u540e\u6ee4\u6ce2\u3002350 fps \u8fdc\u8d85 60 fps \u64ad\u653e\u9700\u6c42，\u8f6f\u4ef6\u89e3\u7801\u6ca1\u95ee\u9898；\u4f46\u8fd9 4 \u500d\u5dee\u503c\u4f1a\u539f\u6837\u4f20\u5bfc\u5230\u786c\u4ef6\u89e3\u7801\u5668\u7684\u9762\u79ef\u4e0e\u529f\u8017\u9884\u7b97\u4e0a，\u8fd9\u662f\u82af\u7247\u5382\u5546 2027 \u5e74\u62a5\u4ef7\u5355\u4e0a\u771f\u5b9e\u5b58\u5728\u7684\u6570\u5b57\u3002<\/p>\n

      \u8fd8\u6709\u4e00\u4e2a\u7f16\u7801\u5668\u4fa7\u7684\u9677\u9631（Bultje \u7279\u522b\u5f3a\u8c03）：TIP \u540c\u6bd4\u7279\u4e0b\u8d28\u91cf\u66f4\u9ad8，RDO \u9010\u5757\u505a\u7387\u5931\u771f\u51b3\u7b56\u65f6\u51e0\u4e4e\u5fc5\u7136\u9009\u4e2d TIP，\u800c TIP \u662f\u91cd\u89e3\u7801\u5de5\u5177\u2014\u2014\u7f16\u7801\u5668\u5982\u679c\u4e0d\u52a0"\u590d\u6742\u5ea6\u611f\u77e5"\u7684\u5931\u771f\u4fee\u6b63\u9879，\u4f1a\u7cfb\u7edf\u6027\u5730\u4ea7\u51fa\u89e3\u7801\u7aef\u5f88\u8d35\u7684\u7801\u6d41\u3002\u8fd9\u548c H.267 CfP \u7528\u8fd0\u884c\u65f6\u7ea6\u675f\u6d4b\u8bd5\u5012\u903c\u7f16\u7801\u5668\u81ea\u5f8b，\u662f\u540c\u4e00\u4e2a\u95ee\u9898\u7684\u4e24\u79cd\u89e3\u6cd5\u3002<\/p>\n

      3.3 \u6570\u636e\u9a71\u52a8\u5e27\u5185\u9884\u6d4b：AV2 \u91cc\u6700"AI"\u7684\u5de5\u5177<\/h4>\n

      AV2 \u4e0d\u662f\u795e\u7ecf\u7f16\u7801\u5668（\u5b98\u65b9\u53e3\u5f84\u660e\u786e：\u6548\u7387\u63d0\u5347"\u57fa\u4e8e\u7f16\u7801\u7b97\u6cd5\u548c\u6570\u5b66\u5de5\u5177\u7684\u7cfb\u7edf\u4f18\u5316，\u800c\u975e\u4f9d\u8d56 AI \u751f\u6210\u6280\u672f"），\u4f46\u5b83\u57cb\u8fdb\u4e86\u4e00\u4e2a\u6570\u636e\u9a71\u52a8\u7684\u7ec4\u4ef6：\u57fa\u4e8e\u79bb\u7ebf\u8bad\u7ec3\u7684\u5e27\u5185\u9884\u6d4b\u6a21\u5f0f + \u4e0a\u91c7\u6837\u5757\u9884\u6d4b\u3002\u672c\u8d28\u662f\u628a\u4eba\u5de5\u8bbe\u8ba1\u7684 93 \u4e2a\u65b9\u5411\u6a21\u5f0f\u4e4b\u5916，\u8865\u4e86\u4e00\u7ec4\u4ece\u6570\u636e\u5b66\u51fa\u6765\u7684\u9884\u6d4b\u7b97\u5b50\u2014\u2014\u63a8\u7406\u662f\u786e\u5b9a\u6027\u7684\u3001\u53ef\u5165\u786c\u4ef6\u7684，\u4f46\u7b97\u5b50\u672c\u8eab\u662f\u8bad\u7ec3\u4ea7\u7269\u3002\u8fd9\u662f\u4f20\u7edf\u6807\u51c6\u4e0e\u795e\u7ecf\u65b9\u6cd5\u4e4b\u95f4\u7684"\u4e2d\u95f4\u7269\u79cd"：\u53ef\u89e3\u7801\u4e00\u81f4\u6027\u6709\u4fdd\u8bc1（\u6240\u6709\u89e3\u7801\u5668\u6267\u884c\u540c\u4e00\u5957\u56fa\u5b9a\u7b97\u5b50），\u53c8\u62ff\u5230\u4e86\u90e8\u5206\u5b66\u4e60\u6536\u76ca\u3002H.267 \u65f6\u4ee3\u5982\u679c\u795e\u7ecf\u5de5\u5177\u5165\u6807，\u5927\u6982\u7387\u7b2c\u4e00\u6b65\u4e5f\u662f\u6536\u655b\u5230\u8fd9\u4e2a\u5f62\u6001（\u6807\u51c6\u9884\u7f6e\u7f51\u7edc\u5bb6\u65cf + \u7801\u6d41\u4f20\u6a21\u578b ID）\u3002<\/p>\n

      3.4 \u53d8\u6362\u4e0e\u91cf\u5316：TCQ \u4e0a\u4f4d\u2014\u2014\u628a 1.53 dB \u7684\u7406\u8bba\u6b20\u8d26\u5f80\u56de\u8981<\/h4>\n

      \u91cf\u5316\u662f AV2 \u8fd9\u6b21\u6570\u5b66\u542b\u91cf\u6700\u9ad8\u7684\u5347\u7ea7，\u503c\u5f97\u5b8c\u6574\u63a8\u5bfc\u4e00\u904d\u3002\u5148\u628a\u53d8\u6362\u5c42\u7684\u52a0\u51cf\u6cd5\u5feb\u901f\u8fc7\u6389，\u9884\u7b97\u7559\u7ed9\u91cf\u5316\u3002<\/p>\n

      \u53d8\u6362\u5c42\u7684\u52a0\u6cd5：\u4e3b\u53d8\u6362\u6cbf\u7528 4 \u79cd\u4e00\u7ef4\u53d8\u6362 \u2192 16 \u79cd\u4e8c\u7ef4\u7ec4\u5408；\u65b0\u589e IST（\u5e27\u5185\u4e8c\u6b21\u53d8\u6362），\u4ec5\u4f5c\u7528\u4e8e\u5e27\u5185\u4eae\u5ea6\u5757\u7684\u4f4e\u9891\u7cfb\u6570，12 \u5957\u6838（\u6bcf\u5957 3 \u4e2a kernel，\u53d7\u4e3b\u53d8\u6362\u7c7b\u578b\/\u5757\u5c3a\u5bf8\u7ea6\u675f），\u5178\u578b\u628a 48 \u4e2a\u4f4e\u9891\u8f93\u5165\u7cfb\u6570\u964d\u7ef4\u5230 32 \u7ef4\u8f93\u51fa\u2014\u2014\u672c\u8d28\u662f\u628a KLT \u7ea7\u522b\u7684\u53bb\u76f8\u5173\u80fd\u529b\u9650\u5b9a\u5728\u80fd\u91cf\u6700\u96c6\u4e2d\u7684\u533a\u57df，\u7528\u6700\u5c0f\u590d\u6742\u5ea6\u6362\u6700\u5927\u6536\u76ca（\u4e0e VVC \u7684 LFNST \u540c\u601d\u60f3）；\u65b0\u589e CCTX（\u8de8\u8272\u5ea6\u5206\u91cf\u53d8\u6362），\u5bf9 Cb\/Cr \u7cfb\u6570\u76f4\u63a5\u65bd\u52a0 7 \u79cd\u9884\u8bbe\u89d2\u5ea6\u7684\u4e8c\u7ef4\u51e0\u4f55\u65cb\u8f6c，\u628a\u4e24\u4e2a\u8272\u5ea6\u5e73\u9762\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u5728\u53d8\u6362\u57df\u5265\u79bb\u3002<\/p>\n

      \u53d8\u6362\u5c42\u7684\u51cf\u6cd5：\u539f\u751f 64 \u70b9\u4e3b\u53d8\u6362\u88ab\u780d\u6389，64\u00d7N\/N\u00d764 \u5757\u6539\u7528 32 \u70b9\u53d8\u6362 + \u6b8b\u5dee\u7a7a\u95f4\u4e0a\u91c7\u6837\u3002\u770b\u7740\u662f"\u51cf\u914d"，\u5b9e\u9645\u662f\u6807\u51c6\u5236\u5b9a\u8005\u66ff\u82af\u7247\u8bbe\u8ba1\u8005\u505a\u7684\u53d6\u820d\u2014\u2014256\u00d7256 \u8d85\u7ea7\u5757\u666e\u53ca\u540e，\u8d85\u5927\u53d8\u6362\u7684\u9700\u6c42\u672c\u8eab\u5728\u840e\u7f29，\u7528\u6781\u5c0f\u7684\u7f16\u7801\u635f\u5931\u6362\u6389\u4e86 64 \u70b9\u8776\u5f62\u7ed3\u6784\u8fd9\u5757\u786c\u4ef6\u9762\u79ef\u5927\u6237\u3002<\/p>\n

      3.4.1 \u95ee\u9898\u5b9a\u4e49：\u6807\u91cf\u91cf\u5316\u6b20\u4e86 1.53 dB \u7684\u8d26<\/h5>\n

      \u5148\u63a8\u5bfc\u8fd9 1.53 dB \u4ece\u54ea\u6765\u3002\u5bf9\u9ad8\u65af\u4fe1\u6e90 X\u223cN(0,\u03c32)X \\\\sim \\\\mathcal{N}(0, \\\\sigma^2)<\/span><\/span>X<\/span><\/span>\u223c<\/span><\/span><\/span><\/span>N<\/span>(<\/span>0<\/span>,<\/span><\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span>，\u9ad8\u7801\u7387\u4e0b\u7684\u71b5\u7ea6\u675f\u6807\u91cf\u91cf\u5316（\u6b65\u957f \u0394\\\\Delta<\/span><\/span>\u0394<\/span><\/span><\/span><\/span><\/span>）\u6ee1\u8db3：<\/p>\n

      D\u2248\u0394212,R\u2248h(X)\u2212log\u20612\u0394
      \nD \\\\approx \\\\frac{\\\\Delta^2}{12}, \\\\qquad R \\\\approx h(X) – \\\\log_2 \\\\Delta
      \n<\/span><\/span>D<\/span><\/span>\u2248<\/span><\/span><\/span><\/span><\/span><\/span>12<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u0394<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>,<\/span><\/span><\/span>R<\/span><\/span>\u2248<\/span><\/span><\/span><\/span>h<\/span>(<\/span>X<\/span>)<\/span><\/span>\u2212<\/span><\/span><\/span><\/span>log<\/span><\/span><\/span>2<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u0394<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \u5176\u4e2d\u5dee\u5206\u71b5 h(X)=12log\u20612(2\u03c0e\u03c32)h(X) = \\\\frac{1}{2}\\\\log_2(2\\\\pi e \\\\sigma^2)<\/span><\/span>h<\/span>(<\/span>X<\/span>)<\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>1<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>log<\/span><\/span><\/span>2<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>2<\/span>\u03c0<\/span>e<\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span>\u3002\u6d88\u53bb \u0394\\\\Delta<\/span><\/span>\u0394<\/span><\/span><\/span><\/span><\/span>：<\/p>\n

      D\u22c522R\u03c32=\u0394212\u22c52\u03c0e\u03c32\u03942\u22c51\u03c32=\u03c0e6\u22481.4233
      \nD \\\\cdot \\\\frac{2^{2R}}{\\\\sigma^2} = \\\\frac{\\\\Delta^2}{12} \\\\cdot \\\\frac{2\\\\pi e \\\\sigma^2}{\\\\Delta^2} \\\\cdot \\\\frac{1}{\\\\sigma^2} = \\\\frac{\\\\pi e}{6} \\\\approx 1.4233
      \n<\/span><\/span>D<\/span><\/span>\u22c5<\/span><\/span><\/span><\/span><\/span><\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>2<\/span><\/span>2<\/span>R<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>12<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u0394<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span><\/span><\/span>\u0394<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>2<\/span>\u03c0<\/span>e<\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span><\/span><\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>1<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>6<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u03c0<\/span>e<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u2248<\/span><\/span><\/span><\/span>1.4233<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \u5373 D=\u03c0e6\u03c32\u22c52\u22122RD = \\\\frac{\\\\pi e}{6}\\\\sigma^2 \\\\cdot 2^{-2R}<\/span><\/span>D<\/span><\/span>=<\/span><\/span><\/span><\/span><\/span><\/span>6<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u03c0<\/span>e<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>2<\/span><\/span>\u2212<\/span>2<\/span>R<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>，\u6bd4\u7387\u5931\u771f\u7406\u8bba\u4e0b\u754c DRDT=\u03c32\u22c52\u22122RD_{RDT} = \\\\sigma^2 \\\\cdot 2^{-2R}<\/span><\/span>D<\/span><\/span>R<\/span>D<\/span>T<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span><\/span>\u03c3<\/span><\/span>2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u22c5<\/span><\/span><\/span><\/span>2<\/span><\/span>\u2212<\/span>2<\/span>R<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u6076\u5316 \u03c0e6\\\\frac{\\\\pi e}{6}<\/span><\/span><\/span><\/span>6<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u03c0<\/span>e<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u500d：<\/p>\n

      10log\u206110\u03c0e6\u22481.53\u00a0dB
      \n10 \\\\log_{10} \\\\frac{\\\\pi e}{6} \\\\approx 1.53 \\\\text{ dB}
      \n<\/span><\/span>10<\/span><\/span>log<\/span><\/span><\/span>10<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>6<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u03c0<\/span>e<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u2248<\/span><\/span><\/span><\/span>1.53<\/span>\u00a0dB<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \u8fd9 1.53 dB \u662f\u6807\u91cf\u91cf\u5316\u7684\u7ed3\u6784\u6027\u6b20\u8d26：\u9ad8\u65af\u4fe1\u6e90\u65e0\u8bba\u600e\u4e48\u4f18\u5316\u6b65\u957f\u548c\u71b5\u7f16\u7801，\u9010\u6837\u672c\u72ec\u7acb\u91cf\u5316\u5c31\u662f\u5dee\u8fd9\u4e48\u591a\u3002\u77e2\u91cf\u91cf\u5316（VQ）\u80fd\u628a\u6b20\u8d26\u8ffd\u56de\u6765，\u4f46\u7801\u5b57\u641c\u7d22\u590d\u6742\u5ea6\u968f\u7ef4\u5ea6\u6307\u6570\u589e\u957f，\u7f16\u89e3\u7801\u4e24\u4fa7\u90fd\u4ed8\u4e0d\u8d77\u3002TCQ \u7684\u5b58\u5728\u610f\u4e49\u5c31\u4e00\u53e5\u8bdd：\u7528\u72b6\u6001\u673a\u628a"\u9010\u6837\u672c\u72ec\u7acb"\u8fd9\u4e2a\u7ea6\u675f\u677e\u5f00\u4e00\u683c，\u4ee5\u8fd1\u4f3c\u6807\u91cf\u91cf\u5316\u7684\u590d\u6742\u5ea6\u8ffd\u56de\u77e2\u91cf\u91cf\u5316\u7684\u5927\u90e8\u5206\u6536\u76ca\u3002<\/p>\n

      3.4.2 AV2 \u7684 TCQ \u673a\u5236：\u4e24\u4e2a\u91cf\u5316\u5668 + \u4e00\u4e2a\u7531\u5947\u5076\u6027\u9a71\u52a8\u7684\u72b6\u6001\u673a<\/h5>\n

      AV2 \u89c4\u8303\u91cc\u7684 TCQ（\u636e Norkin \u5728 QoMEX 2025 \u7684\u67b6\u6784\u62a5\u544a）\u8bbe\u8ba1\u5982\u4e0b：<\/p>\n

    • \u4e24\u4e2a\u5b50\u91cf\u5316\u5668 Q0\u3001Q1，\u975e\u96f6\u91cd\u5efa\u7535\u5e73\u9519\u5f00\u534a\u4e2a\u6b65\u957f\u2014\u2014\u8fd9\u7ee7\u627f\u4e86 Marcellin & Fischer（1987）\u7f51\u683c\u7f16\u7801\u91cf\u5316\u7684 coset（\u966a\u96c6）\u601d\u60f3：\u5148\u628a\u7801\u672c\u6269\u4e00\u500d（\u591a\u82b1 1 bit \u7d22\u5f15），\u518d\u6309\u966a\u96c6\u5206\u5272，\u8ba9"\u6bcf\u4e2a\u6837\u672c\u7528\u54ea\u4e2a\u966a\u96c6"\u8fd9\u4e2a\u81ea\u7531\u5ea6\u4ea4\u7ed9\u72b6\u6001\u673a\u7ea6\u675f，\u7b49\u6548\u5e8f\u5217\u96c6\u5408\u7684\u5f62\u72b6\u903c\u8fd1 VQ；<\/li>\n
    • \u72b6\u6001\u673a\u8f6c\u79fb\u662f\u786e\u5b9a\u6027\u7684\u3001\u7531\u7cfb\u6570\u5947\u5076\u6027\u9a71\u52a8：\u89e3\u7801\u7aef\u6bcf\u89e3\u51fa\u4e00\u4e2a\u7cfb\u6570，\u53d6\u5176\u91cf\u5316\u7d22\u5f15\u7684\u6700\u4f4e\u6709\u6548\u4f4d（LSB，\u5373\u5947\u5076\u6027），\u67e5\u72b6\u6001\u8f6c\u79fb\u8868\u5f97\u5230\u4e0b\u4e00\u72b6\u6001\u3002\u89e3\u7801\u5668\u4e0d\u8dd1\u4efb\u4f55\u641c\u7d22\u2014\u2014\u5b83\u53ea\u770b\u5230\u4e00\u4e32\u91cf\u5316\u7d22\u5f15，\u72b6\u6001\u673a\u53ea\u662f\u91cd\u5efa\u65f6\u67e5\u8868\u7684\u6e38\u6807；<\/li>\n
    • \u72b6\u6001\u7a7a\u95f4\u5171 8 \u4e2a\u72b6\u6001（\u5bf9\u6bd4：VVC DepQuant \u662f 4 \u72b6\u6001，ECM \u6269\u5230 8 \u72b6\u6001\u2014\u2014\u4e24\u6761\u6807\u51c6\u8def\u7ebf\u5728\u91cf\u5316\u7aef\u53c8\u4e00\u6b21\u72ec\u7acb\u8d8b\u540c）；<\/li>\n
    • \u7f16\u7801\u7aef\u8dd1 Viterbi \u52a8\u6001\u89c4\u5212，\u5728\u72b6\u6001\u7f51\u683c\u4e0a\u627e\u5168\u5c40\u7387\u5931\u771f\u6700\u4f18\u8def\u5f84\u3002\u5f62\u5f0f\u5316：\u7b2c ii<\/span><\/span>i<\/span><\/span><\/span><\/span><\/span> \u4e2a\u626b\u63cf\u4f4d\u7f6e\u7cfb\u6570 cic_i<\/span><\/span>c<\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3001\u72b6\u6001 ss<\/span><\/span>s<\/span><\/span><\/span><\/span><\/span>，\u7d2f\u8ba1\u4ee3\u4ef7<\/li>\n

      Ji(s)=min\u2061s\u2032\u2208pred(s)[Ji\u22121(s\u2032)+d(ci,c^(Qk(s,s\u2032)(ci)))+\u03bb\u22c5r(idxi\u2009\u2223\u2009s\u2032)]
      \nJ_i(s) = \\\\min_{s' \\\\in \\\\text{pred}(s)} \\\\left[ J_{i-1}(s') + d\\\\left(c_i, \\\\hat{c}\\\\big(Q_{k(s,s')}(c_i)\\\\big)\\\\right) + \\\\lambda \\\\cdot r\\\\big(\\\\text{idx}_i \\\\,\\\\big|\\\\, s' \\\\big) \\\\right]
      \n<\/span><\/span>J<\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>s<\/span>)<\/span><\/span>=<\/span><\/span><\/span><\/span><\/span>s<\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u2208<\/span>pred<\/span><\/span>(<\/span>s<\/span>)<\/span><\/span><\/span><\/span><\/span>min<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>[<\/span><\/span>J<\/span><\/span>i<\/span>\u2212<\/span>1<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>s<\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span>+<\/span><\/span>d<\/span><\/span>(<\/span><\/span>c<\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>,<\/span><\/span><\/span>c<\/span><\/span><\/span>^<\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span><\/span>Q<\/span><\/span>k<\/span>(<\/span>s<\/span>,<\/span>s<\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>c<\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span>)<\/span><\/span>)<\/span><\/span><\/span><\/span>+<\/span><\/span>\u03bb<\/span><\/span>\u22c5<\/span><\/span>r<\/span>(<\/span><\/span>idx<\/span><\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>s<\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span>]<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

      \u6700\u7ec8\u53d6 min\u2061sJN(s)\\\\min_s J_N(s)<\/span><\/span>min<\/span><\/span>s<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>J<\/span><\/span>N<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>s<\/span>)<\/span><\/span><\/span><\/span><\/span> \u56de\u6eaf\u51fa\u6700\u4f18\u5e8f\u5217\u3002\u6ce8\u610f\u7801\u7387\u9879 r(idxi\u2223s\u2032)r(\\\\text{idx}_i | s')<\/span><\/span>r<\/span>(<\/span>idx<\/span><\/span><\/span>i<\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u2223<\/span>s<\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)<\/span><\/span><\/span><\/span><\/span> \u662f\u6761\u4ef6\u71b5\u4f30\u8ba1\u2014\u2014\u540e\u4e00\u4e2a\u7cfb\u6570\u7528\u54ea\u4e2a\u7801\u5b57\u53d7\u524d\u4e00\u72b6\u6001\u7ea6\u675f，\u8fd9\u6b63\u662f TCQ \u4e0e\u666e\u901a"\u7f16\u7801\u5668\u7aef trellis \u4f18\u5316"\u7684\u672c\u8d28\u533a\u522b\u3002<\/p>\n

      \u8fd9\u91cc\u5fc5\u987b\u70b9\u7834\u4e00\u4e2a\u6781\u6613\u6df7\u6dc6\u7684\u6982\u5ff5：AV1 \u7684\u7f16\u7801\u5668\u91cc\u65e9\u5c31\u6709 trellis \u91cf\u5316\u4f18\u5316（AQ-mode \u7cfb\u6570\u7cbe\u4fee），\u4f46\u90a3\u662f\u7f16\u7801\u7aef\u79c1\u4e8b，\u7801\u6d41\u5c42\u9762\u6bcf\u4e2a\u7cfb\u6570\u4ecd\u662f\u72ec\u7acb\u6807\u91cf\u91cf\u5316\u3002AV2 \u7684 TCQ \u628a\u72b6\u6001\u673a\u5199\u8fdb\u4e86\u89c4\u8303\u7684\u89e3\u7801\u8fc7\u7a0b\u2014\u2014\u89e3\u7801\u7aef\u5fc5\u987b\u6309\u72b6\u6001\u67e5\u8868\u91cd\u5efa，\u72b6\u6001\u6210\u4e86\u7801\u6d41\u9690\u542b\u4fe1\u606f\u3002\u8fd9\u662f\u4ece"\u7f16\u7801\u5668\u6280\u5de7"\u5230"\u6807\u51c6\u8bed\u4e49"\u7684\u8d28\u53d8，\u4e5f\u662f\u4e3a\u4ec0\u4e48 AV2 \u89e3\u7801\u5668\u8981\u4e3a\u65b0\u91cf\u5316\u5668\u7559\u903b\u8f91\u7684\u539f\u56e0\u3002<\/p>\n

      3.4.3 \u6536\u76ca\u8d26\u4e0e\u8fb9\u754c\u6761\u4ef6<\/h5>\n

      \u9884\u671f\u7ba1\u7406\u8981\u8bf4\u5b9e\u8bdd：TCQ \u5355\u5de5\u5177\u8d21\u732e \u6700\u9ad8\u7ea6 1% BD-rate（\u5e73\u6ed1\u81ea\u7136\u5185\u5bb9\u4e0a\u6700\u6709\u6548），\u8fdc\u5c0f\u4e8e TIP \u90a3\u79cd\u67b6\u6784\u7ea7\u5de5\u5177\u3002\u4e3a\u4ec0\u4e48\u7406\u8bba 1.53 dB \u7684\u6b20\u8d26\u53ea\u5151\u73b0 1% BD-rate？\u4e09\u4e2a\u6298\u6263\u56e0\u5b50：<\/p>\n

    • \u89c6\u9891\u6b8b\u5dee\u7cfb\u6570\u4e0d\u662f\u5e72\u51c0\u7684\u9ad8\u65af\u767d\u566a\u58f0\u2014\u2014\u5b83\u7ecf\u8fc7\u53d8\u6362\u3001\u52a0\u6743\u91cf\u5316\u77e9\u9635\u3001\u81ea\u9002\u5e94\u626b\u63cf，\u7edf\u8ba1\u5206\u5e03\u504f\u79bb\u63a8\u5bfc\u5047\u8bbe；<\/li>\n
    • 8 \u72b6\u6001\u53ea\u662f VQ \u6536\u76ca\u7684\u4e00\u9636\u8fd1\u4f3c，\u4e0d\u662f\u6781\u9650（ \u5b66\u672f\u4e0a ECTCQ \u9700\u8981\u66f4\u5927\u72b6\u6001\u7a7a\u95f4\u624d\u903c\u8fd1 1 dB \u7ea7\u589e\u76ca）；<\/li>\n
    • \u7801\u7387\u9879\u4e0e MS-AC \u71b5\u7f16\u7801\u3001ATC \u626b\u63cf\u5e8f\u3001\u4e0a\u4e0b\u6587\u6a21\u578b\u6df1\u5ea6\u8026\u5408，\u5b9e\u9645\u662f"\u6574\u6761\u91cf\u5316-\u71b5\u7f16\u7801\u7ba1\u7ebf"\u7684\u8054\u5408\u4f18\u5316，\u5355\u5de5\u5177\u5f52\u56e0\u5929\u7136\u6253\u6298\u3002<\/li>\n

      \u4f46\u5b83\u7684\u6027\u4ef7\u6bd4\u6781\u9ad8：\u89e3\u7801\u7aef\u96f6\u641c\u7d22\u5f00\u9500（\u4e00\u5f20 8 \u72b6\u6001\u8f6c\u79fb\u8868 + \u4e24\u5957\u91cd\u5efa\u7535\u5e73），\u5168\u90e8\u590d\u6742\u5ea6（Viterbi，O(8\u00d7\u2223Q\u2223\u00d7N)O(8 \\\\times |\\\\mathcal{Q}| \\\\times N)<\/span><\/span>O<\/span>(<\/span>8<\/span><\/span>\u00d7<\/span><\/span><\/span><\/span>\u2223<\/span>Q<\/span>\u2223<\/span><\/span>\u00d7<\/span><\/span><\/span><\/span>N<\/span>)<\/span><\/span><\/span><\/span><\/span>）\u538b\u5728\u7f16\u7801\u7aef\u3002\u8fd9\u662f AV2"\u7f16\u7801\u5668\u5806\u7b97\u529b\u3001\u89e3\u7801\u5668\u7701\u6210\u672c"\u54f2\u5b66\u7684\u6807\u51c6\u8303\u672c\u2014\u2014\u548c 3.2 \u8282 TIP（\u89e3\u7801\u7aef\u5806\u7b97\u529b\u6362\u4fe1\u4ee4\u6bd4\u7279）\u6b63\u597d\u662f\u5149\u8c31\u7684\u4e24\u7aef\u3002<\/p>\n

      3.4.4 \u914d\u5957\u6539\u9020：\u6b65\u957f\u6620\u5c04\u4e0e\u91cf\u5316\u77e9\u9635<\/h5>\n

      TCQ \u4e4b\u5916，\u91cf\u5316\u5668\u8fd8\u6709\u4e24\u5904\u57fa\u7840\u8bbe\u65bd\u7ea7\u91cd\u505a：<\/p>\n

        \n
      • \u7edf\u4e00\u6307\u6570\u91cf\u5316\u5668：AV1 \u7528 256 \u7ea7\u67e5\u627e\u8868（8\/10\/12-bit\u3001AC\/DC \u5404\u4e00\u5957），\u4e14\u6700\u5927 q_index \u5230\u4e0d\u4e86 HEVC\/VVC \u7684\u6700\u4f4e\u7801\u7387\u6863；AV2 \u6539\u4e3a\u7edf\u4e00\u6307\u6570\u516c\u5f0f，\u6b65\u957f\u6bcf 24 \u4e2a q_index \u7ffb\u4e00\u500d，8\/10\/12-bit \u5bf9\u5e94 256\/304\/352 \u7ea7，\u91cf\u7a0b\u4e24\u7aef\u90fd\u6269\u5c55\u2014\u2014\u4f4e\u7801\u7387\u7aef\u7ec8\u4e8e\u80fd"\u538b\u5f97\u6bd4 VVC \u66f4\u72e0"；<\/li>\n
      • \u91cf\u5316\u77e9\u9635\u53c2\u6570\u5316：AV1 \u7684 15 \u5957\u56fa\u5b9a\u77e9\u9635\u662f\u7ea6 100 KB \u7684\u5e38\u91cf\u67e5\u627e\u8868，\u5168\u5e27\u4e00\u5957\u3001\u7528\u6237\u4e0d\u53ef\u5b9a\u4e49；AV2 \u7528 9 \u53c2\u6570\u6a21\u578b\u63a8\u5bfc\u57fa\u7840\u77e9\u9635，\u57fa\u7840\u77e9\u9635\u7f29\u5230 8\u00d78\/8\u00d74\/4\u00d78 \u518d\u4e0a\u91c7\u6837\u9002\u914d\u4efb\u610f\u5757\u5c3a\u5bf8，\u652f\u6301\u7528\u6237\u81ea\u5b9a\u4e49\u77e9\u9635，\u4e14\u5e27\u5185\u4e0d\u540c segment \u53ef\u7528\u4e0d\u540c QM\u2014\u2014\u4ece"\u9884\u7f6e\u83dc\u5355"\u53d8\u6210\u4e86"\u53c2\u6570\u5316\u6a21\u578b"，\u7801\u6d41\u5f00\u9500\u4ece 100 KB \u91cf\u7ea7\u964d\u5230\u51e0\u5341\u5b57\u8282\u3002<\/li>\n<\/ul>\n

        3.5 \u73af\u8def\u6ee4\u6ce2：CCSO \u5b8c\u6574\u62c6\u89e3\u4e0e\u7ba1\u7ebf\u52a0\u51cf\u6cd5<\/h4>\n

        \u73af\u8def\u6ee4\u6ce2\u662f VMAF \u589e\u76ca（\u221232.59%）\u8d85\u8fc7 PSNR \u589e\u76ca（\u221228.63%）\u7684\u4e3b\u8981\u51fa\u5904（\u89c1 2.1 \u8282\u5f52\u56e0），\u503c\u5f97\u628a CCSO \u62c6\u5230\u673a\u5236\u5c42\u3002<\/p>\n

        3.5.1 CCSO：\u7528\u4eae\u5ea6\u7684\u7ed3\u6784\u7ed9\u8272\u5ea6\u7684\u8bef\u5dee\u6253\u8865\u4e01<\/h5>\n

        \u7ba1\u7ebf\u4f4d\u7f6e（\u76f8\u5bf9 AV1 \u7684\u5173\u952e\u5dee\u5f02）：CCSO \u4ece\u53bb\u5757\u6ee4\u6ce2\u540e\u7684\u4eae\u5ea6\u6837\u672c\u8ba1\u7b97\u504f\u79fb，\u65bd\u52a0\u5230 CDEF \u4e4b\u540e\u7684\u8272\u5ea6\u6837\u672c\u4e0a，\u4f4d\u4e8e\u73af\u8def\u6062\u590d（LR）\u4e4b\u524d\u3002\u4e5f\u5c31\u662f\u8bf4，\u4eae\u5ea6\u63d0\u4f9b\u5206\u7c7b\u4f9d\u636e，\u8272\u5ea6\u63a5\u6536\u4fee\u6b63\u2014\u2014\u56e0\u4e3a 4:2:0 \u4e0b\u8272\u5ea6\u5206\u8fa8\u7387\u51cf\u534a\u3001\u8d28\u91cf\u66f4\u5dee，\u800c\u4eae\u5ea6-\u8272\u5ea6\u7a7a\u95f4\u7ed3\u6784\u9ad8\u5ea6\u76f8\u5173\u3002<\/p>\n

        \u4e09\u6b65\u673a\u5236（\u636e Han Gao \u7b49\u7684 IEEE TIP 2025 \u8bba\u6587，\u5373 CCSO \u7684\u539f\u59cb\u51fa\u5904）：<\/p>\n

      • \u5206\u7c7b：\u7528\u4e24\u7c7b\u5206\u7c7b\u5668\u628a\u91cd\u5efa\u4eae\u5ea6\u6837\u672c\u5206\u7ec4\u2014\u2014\n
          \n
        • BO（\u5e26\u504f\u79fb）\u5206\u7c7b\u5668：\u5355\u4e2a\u4eae\u5ea6\u6837\u672c\u7684\u5f3a\u5ea6\u503c\u843d\u5728\u54ea\u4e2a\u533a\u95f4（\u9891\u5e26），\u6700\u7c97\u4f46\u6700\u4fbf\u5b9c；<\/li>\n
        • EO（\u8fb9\u7f18\u504f\u79fb）\u5206\u7c7b\u5668：\u4e09\u4e2a\u4eae\u5ea6\u6837\u672c\u8054\u5408\u5224\u65ad\u8fb9\u7f18\u8d70\u5411，\u975e\u7ebf\u6027\u6620\u5c04，\u591a\u79cd\u6ee4\u6ce2\u5f62\u72b6\u53ef\u9009，\u9002\u914d\u4e0d\u540c\u8fb9\u7f18\u65b9\u5411；<\/li>\n<\/ul>\n<\/li>\n
        • \u67e5\u8868：\u7ec4\u5408\u5206\u7c7b\u7d22\u5f15（band + edge \u5f62\u72b6 + \u65b9\u5411）\u4ece\u6bcf\u5e27\u3001\u6bcf\u5206\u91cf\u81ea\u9002\u5e94\u751f\u6210\u7684 8 \u503c\u504f\u79fb\u67e5\u627e\u8868\u4e2d\u53d6\u51fa\u504f\u79fb\u91cf，\u7d22\u5f15\u7528\u622a\u65ad\u4e00\u5143\u7801（\u6700\u591a 7 bit）\u7f16\u7801；<\/li>\n
        • \u5e94\u7528：\u504f\u79fb\u52a0\u5230\u91cd\u5efa\u6837\u672c\u5e76 clip：<\/li>\n

          rcb\u2032(x,y)=clip(rcb(x,y)+scb(x,y))
          \nr'_{cb}(x,y) = \\\\text{clip}\\\\left( r_{cb}(x,y) + s_{cb}(x,y) \\\\right)
          \n<\/span><\/span>r<\/span><\/span>c<\/span>b<\/span><\/span><\/span><\/span><\/span>\u2032<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>x<\/span>,<\/span><\/span>y<\/span>)<\/span><\/span>=<\/span><\/span><\/span><\/span>clip<\/span><\/span><\/span>(<\/span>r<\/span><\/span>c<\/span>b<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>x<\/span>,<\/span><\/span>y<\/span>)<\/span><\/span>+<\/span><\/span>s<\/span><\/span>c<\/span>b<\/span><\/span><\/span><\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>(<\/span>x<\/span>,<\/span><\/span>y<\/span>)<\/span>)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

          \u6574\u4e2a\u6d41\u7a0b\u65e0\u4e58\u6cd5\u3001\u7eaf LUT \u67e5\u8868\u2014\u2014\u8fd9\u662f\u5b83\u5bf9\u786c\u4ef6\u53cb\u597d\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n

          \u8bed\u6cd5\u7ed3\u6784：\u5e27\u7ea7\u4f20\u6ee4\u6ce2\u5668\u53c2\u6570\u3001\u91cf\u5316\u6b65\u957f\u7d22\u5f15\u3001\u67e5\u627e\u8868；\u6ee4\u6ce2\u5355\u5143\u7c92\u5ea6\u4e3a 256\u00d7256 \u4eae\u5ea6\u6837\u672c（4:2:0 \u4e0b\u5373 128\u00d7128 \u8272\u5ea6），\u6bcf\u4e2a\u5355\u5143\u6bcf\u5206\u91cf\u53ea\u4f20 1 bit \u5f00\u5173\u3002\u4fe1\u4ee4\u5f00\u9500\u548c\u81ea\u7531\u5ea6\u7684\u5e73\u8861\u505a\u5f97\u5e72\u51c0\u3002<\/p>\n

          \u6536\u76ca\u4e0e\u4ee3\u4ef7（AOM CTC\u3001AVM v6.0.0 \u5b9e\u6d4b，56 \u5e8f\u5217）：<\/p>\n\n\u914d\u7f6eYUV-Overall BD-rate\u8272\u5ea6 BD-rate（\u4e2a\u522b\u5e8f\u5217\u5cf0\u503c）<\/tr>\n\n\n\n\n
          All-Intra<\/td>\n\u22120.64%<\/td>\nCb\/Cr \u6700\u9ad8 \u22125.41% \/ \u22125.75%（RA）<\/td>\n<\/tr>\n
          Random Access<\/td>\n\u22120.81%<\/td>\n\u540c\u4e0a<\/td>\n<\/tr>\n
          Low-Delay<\/td>\n\u22121.05%<\/td>\n\u540c\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u4ee3\u4ef7：\u7f16\u7801\u65f6\u95f4 +3~4%，\u89e3\u7801\u65f6\u95f4 +4~7%\u3002\u603b\u4f53 BD-rate \u770b\u7740\u4e0d\u8d77\u773c，\u4f46\u8272\u5ea6\u589e\u76ca\u662f\u5747\u503c\u7684 5~7 \u500d\u2014\u2014\u8fd9\u5370\u8bc1\u4e86 2.1 \u8282\u7684\u63a8\u65ad：VMAF\/PSNR \u5dee\u503c\u7684\u4e3b\u8981\u6307\u7eb9\u4e4b\u4e00\u5c31\u85cf\u5728\u8fd9\u7c7b\u8de8\u5206\u91cf\u5de5\u5177\u91cc\u3002\u5bf9\u591c\u89c6\u76d1\u63a7\u3001\u4f4e\u7167\u5ea6\u4f1a\u8bae\u8fd9\u7c7b\u8272\u5ea6\u566a\u58f0\u4e3b\u5bfc\u7684\u573a\u666f，CCSO \u662f\u9488\u5bf9\u6027\u6b66\u5668\u3002<\/p>\n

          \u7f16\u7801\u5668\u4fa7\u7684\u73b0\u5b9e\u96be\u70b9：CCSO \u53c2\u6570\u641c\u7d22\u7a7a\u95f4\u5927（\u5206\u7c7b\u5668\u7ec4\u5408 \u00d7 LUT \u7d22\u5f15），\u66b4\u529b\u641c\u7d22\u5bf9\u5b9e\u65f6\u7f16\u7801\u5668\u4e0d\u53ef\u884c\u3002Intel 2026 \u5e74 7 \u6708\u516c\u5f00\u7684\u4e13\u5229（US 2026\/0222564 A1）\u4e13\u95e8\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898：\u5e27\u7c7b\u578b\u9884\u5224（I \u5e27\/\u951a\u70b9\u5e27\u5168\u641c\u7d22，\u666e\u901a inter \u5e27\u5148\u505a\u590d\u6742\u5ea6\u95e8\u9650\u5224\u65ad）+ \u9510\u5229\u8fb9\u7f18\u5206\u6790\u88c1\u526a\u5019\u9009\u53c2\u6570\u7a7a\u95f4，\u8ba9 CCSO \u5728\u7f16\u7801\u82af\u7247\u4e0a\u53ef\u7528\u3002\u4e00\u4e2a\u6807\u51c6\u5de5\u5177\u50ac\u751f\u7f16\u7801\u5668\u52a0\u901f\u4e13\u5229，\u8fd9\u4e2a\u4fe1\u53f7\u503c\u5f97\u6ce8\u610f\u2014\u2014H.267 \u65f6\u4ee3"\u6807\u51c6\u5148\u8fdb\u4f46\u7f16\u7801\u5668\u8dd1\u4e0d\u52a8\u5c31\u6ca1\u6cd5\u90e8\u7f72"\u7684\u6559\u8bad，\u4ea7\u4e1a\u754c\u5df2\u7ecf\u5f00\u59cb\u5728 AV2 \u4e0a\u63d0\u524d\u8865\u8bfe\u3002<\/p>\n

          3.5.2 GDF \u4e0e\u7ba1\u7ebf\u7684\u52a0\u51cf\u6cd5<\/h5>\n

          GDF（Guided Detail Filter）：\u9762\u5411\u7ec6\u8282\u6062\u590d\u7684\u6ee4\u6ce2\u5668，\u9488\u5bf9\u9ad8\u538b\u7f29\u6bd4\u4e0b\u7684\u6c34\u5f69\u6548\u5e94（watercolor effect，\u7eb9\u7406\u88ab\u62b9\u5e73\u6210\u8272\u5757）\u3002\u5b83\u5e26\u6709\u6570\u636e\u9a71\u52a8\u6210\u5206（\u5f15\u5bfc\u7cfb\u6570\u6765\u81ea\u79bb\u7ebf\u8bad\u7ec3），\u4f46\u4ee5\u56fa\u5b9a\u7b97\u5b50\u5f62\u5f0f\u8fdb\u5165\u89c4\u8303\u2014\u2014\u4e0e 3.3 \u8282\u7684"\u4e2d\u95f4\u7269\u79cd"\u903b\u8f91\u4e00\u81f4：\u786e\u5b9a\u6027\u7684\u6267\u884c，\u5b66\u4e60\u578b\u7684\u53c2\u6570\u6765\u6e90\u3002\u5b83\u5728\u6ee4\u6ce2\u94fe\u4e2d\u7684\u89d2\u8272\u662f"\u628a\u524d\u9762\u73af\u8282\u62b9\u5e73\u7684\u7eb9\u7406\u957f\u56de\u6765"\u3002<\/p>\n

          \u7ba1\u7ebf\u7ec4\u7ec7\u7684\u53d8\u5316\u540c\u6837\u6709\u4fe1\u606f\u91cf：<\/p>\n

            \n
          • \u73af\u8def\u6ee4\u6ce2\u91cd\u7ec4\u4e3a 3 \u4e2a\u9636\u6bb5，\u90e8\u5206\u6ee4\u6ce2\u5668\u53ef\u5e76\u884c\u2014\u2014\u76f4\u63a5\u7f29\u77ed\u786c\u4ef6\u6d41\u6c34\u7ebf\u4f9d\u8d56\u94fe，\u8ba9\u89e3\u7801\u5668\u66f4\u65e9\u542f\u52a8\u4e0b\u4e00\u5e27\u51c6\u5907（\u5bf9 dav2d \u8fd9\u7c7b\u8f6f\u89e3\u7684\u5e27\u7ea7\u5e76\u884c\u540c\u6837\u6709\u610f\u4e49）；<\/li>\n
          • AV1 \u7684\u8d85\u5206\u8fa8\u7387（Super-Res）\u5de5\u5177\u88ab\u79fb\u9664\u3002\u8fd9\u662f\u4e2a\u503c\u5f97\u5c0a\u656c\u7684\u51cf\u6cd5：\u8d85\u5206\u5728 AV1 \u65f6\u4ee3\u7684\u8bbe\u60f3\u662f"\u7f16\u7801\u65f6\u964d\u91c7\u6837\u3001\u89e3\u7801\u65f6\u5347\u91c7\u6837\u7701\u7801\u7387"，\u5b9e\u9645\u90e8\u7f72\u4e2d\u51e0\u4e4e\u65e0\u4eba\u4f7f\u7528，\u5374\u6301\u7eed\u7ed9\u786c\u4ef6\u548c\u53c2\u8003\u5e27\u7ba1\u7406\u6dfb\u9ebb\u70e6\u3002\u6807\u51c6\u6f14\u8fdb\u91cc，\u780d\u6389\u4e00\u4e2a\u6ca1\u4eba\u7528\u7684\u5de5\u5177\u6bd4\u589e\u52a0\u5341\u4e2a\u65b0\u5de5\u5177\u66f4\u96be；<\/li>\n
          • IBC \u5141\u8bb8\u4e0e\u73af\u8def\u6ee4\u6ce2\u53e0\u52a0（AV1 \u4e0d\u5141\u8bb8），\u5bf9\u5f55\u5c4f\/\u6e38\u620f\u63a8\u6d41\u7b49\u4eba\u5de5+\u81ea\u7136\u6df7\u6392\u5185\u5bb9\u662f\u5927\u589e\u5f3a；<\/li>\n
          • FGS \u80f6\u7247\u9897\u7c92\u5408\u6210\u5347\u7ea7\u4e3a\u89e3\u7801\u5668\u5f3a\u5236\u652f\u6301，\u5e76\u65b0\u589e 16\u00d716 \u50cf\u7d20\u5757\u7ea7\u7684\u7ec6\u7c92\u5ea6\u5408\u6210（AV1 \u4ec5 32\u00d732 \u6a21\u677f），\u914d\u5408\u81ea\u56de\u5f52\u566a\u58f0\u5408\u6210\u6a21\u578b\u30024K\/8K \u7684\u968f\u673a\u566a\u70b9\u7f16\u7801\u8fdb\u7801\u6d41\u4ee3\u4ef7\u6781\u9ad8，"\u5143\u6570\u636e\u4f20\u9897\u7c92\u53c2\u6570 + \u89e3\u7801\u7aef\u5408\u6210"\u7684\u601d\u8def\u628a\u8fd9\u90e8\u5206\u5e26\u5bbd\u5f7b\u5e95\u89e3\u653e\u3002\u5f3a\u5236\u652f\u6301\u610f\u5473\u7740\u8de8\u8bbe\u5907\u9897\u7c92\u8868\u73b0\u7684\u4e00\u81f4\u6027\u6709\u4e86\u6807\u51c6\u4fdd\u8bc1\u2014\u2014\u8fd9\u76f4\u63a5\u56de\u5e94\u4e86 AV1 \u65f6\u4ee3"FGS \u53ef\u9009\u5bfc\u81f4\u64ad\u653e\u7aef\u8868\u73b0\u5206\u88c2"\u7684\u751f\u6001\u95ee\u9898\u3002<\/li>\n<\/ul>\n
            \n

            \u56db\u3001\u751f\u6001\u843d\u5730：\u8f6f\u4ef6\u5148\u884c，\u786c\u4ef6\u8ffd\u8d76，\u5e73\u53f0\u62bc\u6ce8<\/h3>\n

            4.1 \u8f6f\u4ef6\u5c42：dav2d \u4e0e\u7f16\u7801\u5668\u77e9\u9635<\/h4>\n

            \u89e3\u7801\u7aef，VideoLAN \u7684 dav2d \u5df2\u968f\u89c4\u8303\u540c\u6b65\u53d1\u5e03（2026 \u5e74 5 \u6708），8\/10-bit \u529f\u80fd\u5b8c\u5907，\u4ecd\u5728\u4f18\u5316\u3002720p \u591a\u7ebf\u7a0b 350 fps \u7684\u6210\u7ee9\u610f\u5473\u7740\u7eaf\u8f6f\u89e3\u8def\u5f84\u5728 2027 \u5e74\u786c\u4ef6\u666e\u53ca\u524d\u5c31\u80fd\u515c\u5e95\u2014\u2014\u8fd9\u662f AV1 \u65f6\u4ee3 dav1d \u9a8c\u8bc1\u8fc7\u7684"\u8f6f\u4ef6\u5148\u884c"\u6253\u6cd5，AV2 \u628a\u8282\u594f\u63d0\u524d\u5230\u4e86\u89c4\u8303\u53d1\u5e03\u5f53\u5929\u3002<\/p>\n

            \u7f16\u7801\u7aef\u77e9\u9635：<\/p>\n\n\u7f16\u7801\u5668\u5b9a\u4f4d\u72b6\u6001（2026 \u5e74 10 \u6708）<\/tr>\n\n\n\n\n\n
            AVM v1.0.0<\/td>\n\u53c2\u8003\u5b9e\u73b0<\/td>\n\u89c4\u8303\u4e00\u81f4\u6027\u57fa\u51c6，\u975e\u751f\u4ea7\u5de5\u5177<\/td>\n<\/tr>\n
            libaom v3.15<\/td>\nAOMedia \u4e3b\u7ebf\u7f16\u7801\u5668<\/td>\n\u5df2\u8fed\u4ee3\u81f3 v3.15（2026-09）<\/td>\n<\/tr>\n
            SVT-AV2<\/td>\nIntel \u7684\u5b9e\u65f6\/\u9ad8\u6027\u80fd\u7f16\u7801\u5668<\/td>\nIBC 2026 \u5c55\u793a<\/td>\n<\/tr>\n
            dav2d<\/td>\n\u5feb\u901f\u8f6f\u89e3<\/td>\n\u529f\u80fd\u5b8c\u5907，\u4f18\u5316\u4e2d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \u5c01\u88c5\u4e0e\u534f\u8bae\u4fa7：ISO-BMFF \u7ed1\u5b9a\u89c4\u8303\u5728\u89c4\u5212\u4e2d，\u6d41\u5a92\u4f53\u534f\u8bae\u96c6\u6210\u5df2\u5728\u63a8\u8fdb（AOMedia \u6267\u884c\u603b\u76d1 Pierre-Anthony Lemieux \u5b98\u65b9\u53e3\u5f84）\u3002\u5408\u89c4\u6027\u6d4b\u8bd5\u65b9\u9762，Allegro \u548c HDR Nova \u7684\u5546\u7528 conformance \u7801\u6d41\u5305\u5df2\u7ecf\u53ef\u7528\u2014\u2014\u8fd9\u4e2a\u7ec6\u8282\u6bd4\u542c\u8d77\u6765\u91cd\u8981：conformance \u5305\u5546\u7528\u5316\u610f\u5473\u7740\u82af\u7247\u9a8c\u8bc1\u53ef\u4ee5\u7acb\u523b\u5f00\u5de5，\u4e0d\u7528\u7b49 AOMedia \u6162\u60a0\u60a0\u51fa\u5b98\u65b9\u6d4b\u8bd5\u96c6\u3002<\/p>\n

            4.2 \u786c\u4ef6\u5c42：IP \u5df2\u5c31\u4f4d，\u6574\u673a\u672a\u81f3<\/h4>\n

            2026 \u5e74 6 \u6708\u8d77，\u4e09\u5bb6\u786c\u4ef6\u89e3\u7801 IP \u540c\u65f6\u5b98\u5ba3：<\/p>\n

              \n
            • VeriSilicon VC9800D：\u5355\u6838 8K30，\u53cc\u6838 8K60<\/li>\n
            • Chips&Media：AV2 \u89e3\u7801 IP<\/li>\n
            • Allegro DVT Pulsar D400 \u7cfb\u5217：\u652f\u6301\u81f3 8K<\/li>\n<\/ul>\n

              \u4f46\u622a\u81f3 2026 \u5e74 10 \u6708，\u6ca1\u6709\u4efb\u4f55\u624b\u673a\u3001\u7535\u89c6\u6216\u6d4f\u89c8\u5668\u80fd\u786c\u4ef6\u89e3\u7801 AV2\u3002\u9996\u6279\u642d\u8f7d AV2 \u786c\u89e3\u7684 SoC \u9884\u8ba1 2027 \u5e74\u8d77（IP \u6388\u6743\u5230\u91cf\u4ea7\u7845\u7247\u7684\u5e38\u89c4 lead time \u7ea6 1\u20132 \u5e74）\u3002\u5bf9\u7167 AV1：2018 \u5b9a\u7a3f \u2192 2020 Tiger Lake \u2192 2023 \u5e74\u79fb\u52a8\u7aef\u5168\u9762\u666e\u53ca，\u7528\u4e86\u7ea6 5 \u5e74\u3002AV2 \u7684\u4e50\u89c2\u9884\u671f\u662f 2027\u20132028 \u786c\u89e3\u94fa\u5f00\u30012030 \u5e74\u524d\u540e\u6210\u4e3a\u4e3b\u6d41\u2014\u2014\u524d\u63d0\u662f TIP \u7b49\u91cd\u89e3\u7801\u5de5\u5177\u4e0d\u4f1a\u628a\u786c\u4ef6\u9762\u79ef\/\u529f\u8017\u63a8\u5230\u6d88\u8d39\u7ea7\u4e0d\u53ef\u63a5\u53d7\u7684\u4f4d\u7f6e（\u89c1\u7b2c\u516d\u8282\u98ce\u9669\u8868）\u3002<\/p>\n

              4.3 \u5e73\u53f0\u5c42：YouTube \u7684 90% \u524d\u7f6e\u6761\u4ef6<\/h4>\n

              Google \u5df2\u786e\u8ba4 YouTube \u7f51\u9875\u7248\u6700\u65e9 2027 \u5e74\u521d\u63d0\u4f9b AV2 \u7801\u6d41\u3002\u652f\u6491\u8fd9\u4e2a\u65f6\u95f4\u8868\u7684\u9690\u5f62\u8d44\u4ea7：\u622a\u81f3 2026 \u5e74 3 \u6708，YouTube \u6309\u89c2\u770b\u65f6\u957f\u52a0\u6743，\u89c6\u9891\u5e93\u4e2d\u8d85\u8fc7 90% \u7684\u5185\u5bb9\u5df2\u652f\u6301 AV1\u3002 \u8fd9\u610f\u5473\u7740\u8f6c\u7801\u7ba1\u7ebf\u3001\u5206\u53d1\u94fe\u8def\u3001AB \u5b9e\u9a8c\u6846\u67b6\u5168\u90e8\u5c31\u7eea，AV2 \u53ea\u662f\u5f80\u7ba1\u7ebf\u91cc\u52a0\u4e00\u4e2a\u65b0\u7f16\u7801\u6863\u4f4d\u2014\u2014\u8fb9\u9645\u6210\u672c\u6781\u4f4e\u3002<\/p>\n

              \u7070\u5ea6\u7b56\u7565\u53ef\u9884\u671f：\u5148\u5728 4K\/\u9ad8\u7801\u7387\u3001\u591a\u89c6\u89d2\u3001\u5f31\u7f51\u573a\u666f\u8bd5\u70b9（\u8fd9\u4e9b\u573a\u666f AV2 \u7684 30% \u589e\u76ca\u548c\u5206\u5c4f\/\u591a\u6d41\u80fd\u529b\u4ef7\u503c\u6700\u5927），\u518d\u9010\u6b65\u4e0b\u6c89\u5230\u666e\u901a VOD\u3002Netflix\u3001Amazon Prime Video\u3001Meta \u5747\u5728\u8bc4\u4f30\u4e2d，\u672a\u516c\u5e03\u65f6\u95f4\u8868\u3002<\/p>\n

              Chrome \u7684 AV2 \u64ad\u653e\u6f14\u793a\u5df2\u5b8c\u6210，\u4f46\u672a\u627f\u8bfa\u8fdb\u5165\u54ea\u4e2a\u7248\u672c\u3001\u662f\u5426\u9ed8\u8ba4\u5f00\u542f\u3002\u5408\u7406\u7684\u63a8\u65ad\u662f\u8ddf\u968f YouTube \u7684\u7070\u5ea6\u8282\u594f\u2014\u2014\u6d4f\u89c8\u5668\u89e3\u7801\u7b56\u7565\u6c38\u8fdc\u8ddf\u7740\u81ea\u5bb6\u5e73\u53f0\u9700\u6c42\u8d70\u3002<\/p>\n

              \n

              \u4e94\u3001\u4e13\u5229\u6697\u6d41：\u514d\u7248\u7a0e\u7684\u771f\u5b9e\u8fb9\u754c<\/h3>\n

              \u8fd9\u662f\u672c\u6587\u6700\u60f3\u5f3a\u8c03\u7684\u4e00\u4e2a\u65b0\u9896\u70b9，\u4e5f\u662f\u7edd\u5927\u591a\u6570 AV2 \u62a5\u9053\u6f0f\u6389\u7684\u90e8\u5206\u3002<\/p>\n

              5.1 "\u514d\u7248\u7a0e"\u7684\u786e\u5207\u542b\u4e49<\/h4>\n

              AOMedia \u7684\u514d\u7248\u7a0e\u4e13\u5229\u653f\u7b56（royalty-free patent policy）\u8986\u76d6\u7684\u662f AOMedia \u6210\u5458\u2014\u2014\u5373 Amazon\u3001Apple\u3001Cisco\u3001Google\u3001Intel\u3001Meta\u3001Microsoft\u3001Mozilla\u3001Netflix\u3001NVIDIA\u3001Samsung\u3001\u817e\u8baf\u7b49\u521b\u59cb\/\u6210\u5458\u5355\u4f4d，\u627f\u8bfa\u5bf9\u5176\u8d21\u732e\u5230 AV1\/AV2 \u89c4\u8303\u4e2d\u7684\u4e13\u5229\u514d\u6536\u8bb8\u53ef\u8d39\u3002\u6ce8\u610f\u4e09\u4e2a\u9650\u5b9a\u8bcd：<\/p>\n

            • \u53ea\u8986\u76d6\u6210\u5458\u8d21\u732e\u7684\u4e13\u5229\u2014\u2014\u975e\u6210\u5458\u624b\u91cc\u7684\u5fc5\u8981\u4e13\u5229\u4e0d\u5728\u653f\u7b56\u5185；<\/li>\n
            • \u9632\u5fa1\u6027\u6761\u6b3e\u2014\u2014\u6210\u5458\u82e5\u53d1\u8d77\u4e13\u5229\u8bc9\u8bbc（\u9488\u5bf9\u8be5\u7f16\u89e3\u7801），\u6743\u5229\u56de\u6536；<\/li>\n
            • \u53ea\u8986\u76d6\u89c4\u8303\u5fc5\u8981\u4e13\u5229\u2014\u2014\u5b9e\u73b0\u5c42\u9762\u7684\u5176\u4ed6\u4e13\u5229\u7167\u5e38\u6536\u8d39\u3002<\/li>\n

              5.2 \u53cc\u4e13\u5229\u6c60\u7684\u5f62\u6210<\/h4>\n

              2026 \u5e74 8 \u6708，Sisvel \u4e0e Access Advance \u76f8\u7ee7\u5ba3\u5e03\u7ec4\u5efa\u9762\u5411\u8bbe\u5907\u548c\u8f6f\u4ef6\u7684 AV2 \u4e13\u5229\u6c60\u3002Access Advance \u5c31\u662f\u8fd0\u8425 HEVC\/VVC \u4e13\u5229\u6c60\u7684\u90a3\u5bb6\u516c\u53f8\u2014\u2014\u5b83\u7684\u5165\u573a\u8bf4\u660e\u4ec0\u4e48？\u8bf4\u660e HEVC\/VVC \u4e13\u5229\u6c60\u7684\u6838\u5fc3\u6743\u5229\u4eba（\u591a\u4e3a\u975e AOMedia \u6210\u5458）\u624b\u91cc\u63e1\u6709\u4ed6\u4eec\u8ba4\u4e3a\u5bf9 AV2 \u5fc5\u8981\u7684\u4e13\u5229\u3002<\/p>\n

              \u8fd9\u4e0d\u662f"\u514d\u7248\u7a0e\u9635\u8425\u88ab\u653b\u9677"\u2014\u2014AV1 \u65f6\u4ee3 Sisvel \u5c31\u7ec4\u5efa\u8fc7 AV1 \u6c60（\u6307\u63a7\u975e\u6210\u5458\u4e13\u5229），\u6700\u7ec8\u5e02\u573a\u89c4\u6a21\u6ca1\u6709\u53d7\u5b9e\u8d28\u6027\u51b2\u51fb，\u56e0\u4e3a\u6210\u5458\u8986\u76d6\u4e86\u5173\u952e\u8def\u5f84\u4e0a\u7684\u5927\u90e8\u5206\u6280\u672f\u3002\u4f46\u5b83\u5212\u51fa\u4e86\u4e00\u4e2a\u771f\u5b9e\u7684\u6210\u672c\u8fb9\u754c：<\/p>\n

              \u5bf9 AOMedia \u6210\u5458（\u4ee5\u53ca\u4f7f\u7528\u6210\u5458\u5168\u5957\u5b9e\u73b0\u7684\u516c\u53f8），AV2 \u662f\u514d\u7248\u7a0e\u7684；\u5bf9\u975e\u6210\u5458\u7684\u7f16\u89e3\u7801\u5b9e\u73b0\u5382\u5546\u3001\u82af\u7247\u516c\u53f8，AV2 \u5b58\u5728\u7b2c\u4e09\u65b9\u4e13\u5229\u6c60\u7684\u8bb8\u53ef\u63a5\u89e6\u9762\u3002 \u201cAV2 = \u96f6\u4e13\u5229\u6210\u672c"\u662f\u6d41\u4f20\u6700\u5e7f\u7684\u8bef\u8bfb，\u51c6\u786e\u8868\u8ff0\u662f"AV2 = \u6210\u5458\u5185\u96f6\u8bb8\u53ef\u8d39 + \u6210\u5458\u5916\u672a\u77e5\u655e\u53e3\u201d\u3002<\/p>\n

              \u5bf9\u56fd\u5185\u5382\u5546（\u975e AOMedia \u8463\u4e8b\u7ea7\u6210\u5458\u7684\u5c45\u591a）\u505a\u7f16\u89e3\u7801\u4ea7\u54c1\u89c4\u5212\u65f6，\u6cd5\u52a1\u5c3d\u8c03\u5fc5\u987b\u628a Sisvel\/Access Advance \u7684 AV2 \u6c60\u7eb3\u5165，\u4e0d\u80fd\u62ff AV1 \u65f6\u4ee3"\u6ca1\u51fa\u4e8b"\u7684\u7ecf\u9a8c\u76f4\u63a5\u5e73\u79fb\u2014\u2014AV2 \u7684\u5546\u4e1a\u5206\u91cf\u6bd4 AV1 \u53d1\u5e03\u65f6\u91cd，\u6c60\u5b50\u7684\u5b9a\u4ef7\u610f\u613f\u4e5f\u4f1a\u66f4\u8ba4\u771f\u3002<\/p>\n

              \n

              \u516d\u3001\u98ce\u9669\u8868\u4e0e\u8e29\u5751\u70b9<\/h3>\n\n#\u98ce\u9669\/\u5751\u70b9\u5177\u4f53\u8868\u73b0\u4e25\u91cd\u5ea6\u7f13\u89e3\u601d\u8def<\/tr>\n\n\n\n\n\n\n\n\n
              1<\/td>\nTIP \u63a8\u9ad8\u89e3\u7801\u786c\u4ef6\u6210\u672c<\/td>\ndav2d \u6162 dav1d 4 \u500d，\u8fd0\u52a8\u573a\u5206\u8fa8\u7387+\u5149\u6d41\u7cbe\u4fee\u7684\u7b97\u529b\u5bc6\u5ea6\u4f20\u5bfc\u5230\u82af\u7247\u9762\u79ef\/\u529f\u8017<\/td>\n\u9ad8<\/td>\n\u786c\u4ef6 Profile \u5212\u5206（\u8f7b\u91cf\u7ea7 profile \u53ef\u80fd\u88c1\u526a TIP）；\u7f16\u7801\u7aef\u590d\u6742\u5ea6\u611f\u77e5 RDO<\/td>\n<\/tr>\n
              2<\/td>\n\u7f16\u7801\u5668 RDO \u504f\u7f6e<\/td>\nTIP \u9010\u5757 R-D \u51b3\u7b56\u51e0\u4e4e\u5fc5\u80dc，\u4ea7\u51fa\u89e3\u7801\u8d35\u7801\u6d41<\/td>\n\u4e2d<\/td>\n\u7f16\u7801\u5668\u52a0\u89e3\u7801\u590d\u6742\u5ea6\u60e9\u7f5a\u9879；SVT-AV2 \u7c7b\u751f\u4ea7\u7f16\u7801\u5668\u7684 preset \u8bbe\u8ba1<\/td>\n<\/tr>\n
              3<\/td>\n\u8f6f\u7f16\u5b9e\u65f6\u6027<\/td>\n\u7eaf\u8f6f\u4ef6\u5b9e\u65f6\u7f16\u7801 AV2 \u65e0\u4e13\u7528\u52a0\u901f\u5f88\u96be，\u751f\u4ea7\u7ea7\u7f16\u7801\u5668\u8c03\u4f18\u5468\u671f\u957f<\/td>\n\u4e2d（\u5bf9\u5b9e\u65f6\u573a\u666f\u9ad8）<\/td>\n\u7b49\u5f85 SVT-AV2 \u6210\u719f；\u76f4\u64ad\u573a\u666f\u521d\u671f\u7ee7\u7eed AV1<\/td>\n<\/tr>\n
              4<\/td>\nBD-rate \u590d\u73b0\u5931\u771f<\/td>\n\u951a\u70b9\u7248\u672c\u3001\u6d4b\u8bd5\u96c6\u914d\u6bd4\u3001\u901f\u7387\u70b9\u6570\u4e0d\u53d7\u63a7，\u7b2c\u4e09\u65b9\u6570\u5b57\u6f02\u79fb\u5927<\/td>\n\u4e2d（\u7814\u7a76\u98ce\u9669）<\/td>\n\u81ea\u5efa\u951a\u70b9\u3001\u9489\u6b7b\u6d4b\u8bd5\u6761\u4ef6<\/td>\n<\/tr>\n
              5<\/td>\n\u7b2c\u4e09\u65b9\u4e13\u5229\u6c60\u655e\u53e3<\/td>\nSisvel\/Access Advance AV2 \u6c60\u9762\u5411\u8bbe\u5907\u4e0e\u8f6f\u4ef6\u6536\u8d39<\/td>\n\u9ad8（\u975e\u6210\u5458）<\/td>\n\u6cd5\u52a1\u5c3d\u8c03；\u8bc4\u4f30 AOMedia \u6210\u5458\u8d44\u683c\u8def\u5f84<\/td>\n<\/tr>\n
              6<\/td>\nAV1 \u957f\u5c3e\u5171\u5b58\u671f<\/td>\nAV1 \u786c\u89e3\u8bbe\u5907\u5b58\u91cf\u5de8\u5927，\u53cc\u6863\u5e76\u5b58\u7684\u8f6c\u7801\u6210\u672c（\u5b58\u50a8+\u8f6c\u7801\u7b97\u529b\u7ffb\u500d）<\/td>\n\u4e2d<\/td>\n\u5206\u5c42\u8f6c\u7801\u7b56\u7565：\u7206\u6b3e\u5185\u5bb9 AV2\u3001\u957f\u5c3e AV1<\/td>\n<\/tr>\n
              7<\/td>\nconformance \u8986\u76d6\u6ede\u540e<\/td>\n\u65b0\u5de5\u5177（TIP\/GDF\/CCSO）\u8fb9\u754c\u7528\u4f8b\u7684 conformance \u7801\u6d41\u8986\u76d6\u4e0d\u5168\u5bfc\u81f4\u5b9e\u73b0\u5206\u53c9<\/td>\n\u4e2d（\u65e9\u671f\u5178\u578b\u5751）<\/td>\n\u4f18\u5148\u7528 Allegro\/HDR Nova \u5546\u7528\u5305\u4ea4\u53c9\u9a8c\u8bc1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u7b2c 1 \u6761\u5c55\u5f00\u4e00\u53e5：\u8fd9\u672c\u8d28\u4e0a\u662f\u89e3\u7801\u590d\u6742\u5ea6\u9884\u7b97\u7684\u4ee3\u9645\u901a\u80c0\u3002AV1 \u7684 dav1d \u4e4b\u6240\u4ee5\u88ab\u8a89\u4e3a\u5de5\u7a0b\u5947\u8ff9，\u662f\u56e0\u4e3a\u5b83\u628a"\u8054\u76df\u8bbe\u8ba1\u7684\u91cd\u89c4\u8303"\u4f18\u5316\u5230\u4e86\u5d4c\u5165\u5f0f\u53ef\u63a5\u53d7\u7684\u7a0b\u5ea6\u3002AV2 \u89c4\u8303\u672c\u8eab\u66f4\u91cd（TIP\u3001\u9012\u5f52\u5212\u5206\u3001CCSO\/GDF），dav2d \u7684 4 \u500d\u5dee\u8ddd\u91cc\u6709\u591a\u5c11\u662f"\u8fd8\u6ca1\u4f18\u5316\u5b8c"\u3001\u591a\u5c11\u662f"\u7ed3\u6784\u6027\u7684"，\u8981\u7b49 2027 \u5e74 dav2d \u7a33\u5b9a\u7248\u624d\u80fd\u4e0b\u7ed3\u8bba\u2014\u2014\u4f46\u786c\u4ef6\u56e2\u961f\u73b0\u5728\u5c31\u5f97\u6309\u60b2\u89c2\u5047\u8bbe\u7559\u9884\u7b97\u3002<\/p>\n

              \n

              \u4e03\u3001\u4e0e H.267 \u7684\u8d5b\u8dd1：\u4e0d\u5bf9\u79f0\u7ade\u8d5b<\/h3>\n

              \u628a\u4e24\u6761\u65f6\u95f4\u7ebf\u5e76\u6392\u653e（\u8854\u63a5\u4e0a\u4e00\u7bc7 H.267 CfP \u5206\u6790）：<\/p>\n\n\u7ef4\u5ea6AV2（AOMedia）H.267（JVET）<\/tr>\n\n\n\n\n\n\n\n\n
              \u5173\u952e\u8282\u70b9<\/td>\nv1.0.0 \u5df2\u5b9a\u7a3f（2026-05）<\/td>\nCfP \u8bc4\u4f30 2027-01，\u9996\u4e2a TM 2027 \u4e0b\u534a\u5e74<\/td>\n<\/tr>\n
              \u5b9a\u7a3f<\/td>\n\u5df2\u5b8c\u6210<\/td>\n\u76ee\u6807 2029 \u5e74\u5e95<\/td>\n<\/tr>\n
              vs VVC\/AV1 \u6548\u7387<\/td>\n\u8f83 AV1 \u7ea6 30%<\/td>\n\u8f83 VVC \u9884\u671f 20%\u201340%（ECM \u53c2\u7167 28%）<\/td>\n<\/tr>\n
              \u795e\u7ecf\u6280\u672f<\/td>\n\u5426（\u6570\u636e\u9a71\u52a8\u7b97\u5b50，\u786e\u5b9a\u6027\u6267\u884c）<\/td>\n\u6b63\u5f0f\u5f00\u653e（NNVC\/GenVC \u8f68\u9053）<\/td>\n<\/tr>\n
              \u6388\u6743\u6a21\u5f0f<\/td>\n\u6210\u5458\u5185\u514d\u7248\u7a0e + \u7b2c\u4e09\u65b9\u6c60\u655e\u53e3<\/td>\n\u4e13\u5229\u6c60（\u683c\u5c40\u672a\u5b9a）<\/td>\n<\/tr>\n
              \u5934\u90e8\u5e73\u53f0<\/td>\nYouTube 2027 \u5e74\u521d（\u5b98\u5ba3）<\/td>\n\u65e0（\u786c\u4ef6\u666e\u53ca\u9884\u8ba1 2030 \u5e74\u4ee3）<\/td>\n<\/tr>\n
              \u6838\u5fc3\u53d8\u91cf<\/td>\n\u751f\u6001\u590d\u7528\u901f\u5ea6<\/td>\n\u6280\u672f\u4e0a\u9650 + SEP \u8c08\u5224<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u4e09\u4e2a\u63a8\u8bba：<\/p>\n

            • \u6548\u7387\u53e3\u5f84\u4e0a\u4e24\u8005\u6253\u5e73\u751a\u81f3 AV2 \u4e0d\u5403\u4e8f（30% vs \u9884\u671f 20\u201340%），\u4f46 AV2 \u9886\u5148\u6574\u6574\u4e00\u4e2a\u90e8\u7f72\u5468\u671f\u3002H.267 \u82e5\u8981\u8bc1\u660e\u81ea\u5df1\u7684\u5546\u4e1a\u5b58\u5728，\u5fc5\u987b\u62ff\u4e0b AV2 \u8986\u76d6\u4e0d\u4e86\u7684\u4e1c\u897f\u2014\u2014\u8981\u4e48\u663e\u8457\u66f4\u9ad8\u7684\u6548\u7387（\u903c\u8fd1 40\u201350%），\u8981\u4e48\u795e\u7ecf\/AIGC \u80fd\u529b\u7684\u72ec\u5360\u4ef7\u503c\u3002<\/li>\n
            • YouTube 2027 \u5e74\u521d\u4e0a\u7ebf AV2，\u4f1a\u76f4\u63a5\u5f71\u54cd H.267 \u7684\u5e02\u573a\u8bba\u8bc1\u3002 JVET \u7684 CfP \u662f\u88ab"market demand workshop"\u5012\u903c\u51fa\u6765\u7684，\u800c\u6700\u5927\u7684 demand \u65b9（Google）\u5df2\u7ecf\u628a\u7b79\u7801\u62bc\u5728 AV2 \u4e0a\u3002H.267 \u7684\u771f\u5b9e\u5e02\u573a\u951a\u70b9\u5c06\u5269\u4e0b：HEVC \u5b58\u91cf\u751f\u6001\u7684\u5347\u7ea7\u9700\u6c42（\u5e7f\u64ad\u7535\u89c6\u3001DRM \u4e25\u683c\u7684\u5185\u5bb9\u65b9）+ AIGC \u65b0\u573a\u666f\u3002<\/li>\n
            • \u4e13\u5229\u662f H.267 \u9635\u8425\u7684\u6700\u540e\u6760\u6746\u3002 AV2 \u7684\u7b2c\u4e09\u65b9\u6c60\u655e\u53e3\u662f\u771f\u5b9e\u7684，\u4f46 AOMedia \u6210\u5458\u540d\u5355\u8986\u76d6\u4e86\u51e0\u4e4e\u6240\u6709\u5934\u90e8\u5e73\u53f0\u2014\u2014\u4e13\u5229\u6c60\u80fd\u6536\u5230\u94b1\u7684\u5730\u65b9（\u975e\u6210\u5458\u82af\u7247\/\u8bbe\u5907\u5382）\u6070\u662f\u8bae\u4ef7\u529b\u6700\u5f31\u7684\u5730\u65b9\u3002H.267 \u9635\u8425\u82e5\u628a SEP \u6253\u5305\u6210"\u8bbe\u5907\u7c7b\u9884\u88c5\u8d39"，\u4ecd\u6709\u7ffb\u76d8\u7a7a\u95f4；\u4f46\u5386\u53f2（HEVC \u4e09\u6c60\u5d29\u76d8）\u4e0d\u7ad9\u5728\u91cd\u6f14\u8005\u4e00\u8fb9\u3002<\/li>\n

              \u5bf9\u5de5\u7a0b\u56e2\u961f\u7684\u5b9e\u64cd\u7ed3\u8bba：2027\u20132029 \u7684\u4ea7\u54c1\u7ebf\u4e0d\u9700\u8981\u5728\u4e24\u8005\u95f4\u4e8c\u9009\u4e00\u3002 AV2 \u8d1f\u8d23\u6d41\u5a92\u4f53\/\u5927\u5c4f\/\u5f00\u653e\u751f\u6001\u7684\u6548\u7387\u5347\u7ea7（\u8f6f\u89e3\u515c\u5e95 \u2192 \u786c\u89e3\u8ddf\u8fdb），H.267 \u89c2\u5bdf 2028 \u5e74\u4e2d\u9996\u4e2a Test Model \u7684\u795e\u7ecf\u5de5\u5177\u5360\u6bd4\u518d\u5b9a\u6295\u5165\u3002\u552f\u4e00\u7684\u63d0\u524d\u91cf\u662f：\u5982\u679c\u4f60\u7684\u82af\u7247\u6d89\u53ca\u89e3\u7801 IP \u91c7\u8d2d，\u628a TIP \u7684\u9762\u79ef\/\u529f\u8017\u62a5\u4ef7\u62ff\u7ed9\u4e09\u5bb6 IP \u4f9b\u5e94\u5546\u6a2a\u5411\u6bd4\u4e00\u6bd4，\u8fd9\u662f\u5224\u65ad AV2 \u786c\u4ef6\u6210\u672c\u66f2\u7ebf\u6700\u76f4\u63a5\u7684\u4e00\u624b\u6570\u636e\u3002<\/p>\n

              \n

              \u516b\u3001\u7ed3\u8bba\u4e0e\u5f00\u653e\u95ee\u9898<\/h3>\n

              AV2 v1.0.0 \u7684\u5b9a\u7a3f\u4e0d\u662f\u53c8\u4e00\u4efd\u6807\u51c6\u6587\u6863，\u800c\u662f\u514d\u7248\u7a0e\u9635\u8425\u7684\u4e00\u6b21\u8282\u594f\u5ba3\u544a：<\/p>\n

            • \u6548\u7387\u5151\u73b0：30% \u7684\u5b98\u65b9\u53e3\u5f84\u80cc\u540e，PSNR\/VMAF \u4e24\u4e2a\u6570\u5b57\u7684 4 \u4e2a\u767e\u5206\u70b9\u5dee\u503c\u6307\u5411\u73af\u8def\u6ee4\u6ce2\u7c7b\u5de5\u5177\u7684\u611f\u77e5\u8d21\u732e，\u6d41\u5a92\u4f53\u573a\u666f\u7684\u771f\u5b9e\u6536\u76ca\u66f4\u63a5\u8fd1 33%；\u67b6\u6784\u7ea7\u6536\u76ca（256\u00d7256 \u8d85\u7ea7\u5757）\u4e0e\u4f4e\u7801\u7387\u6536\u76ca（TCQ\u3001TIP \u96f6\u4fe1\u4ee4）\u5206\u5c42\u6e05\u695a\u3002<\/li>\n
            • \u5468\u671f\u538b\u7f29：\u4ece\u89c4\u8303\u5b9a\u7a3f\u5230 YouTube \u5b98\u5ba3\u4e0a\u7ebf\u76ee\u6807，\u95f4\u9694\u4e0d\u8db3\u4e00\u5e74\u2014\u2014AV1 \u7528\u4e86\u7ea6\u4e24\u5e74\u3002dav2d \u540c\u6b65\u53d1\u5e03\u3001conformance \u5305\u5546\u7528\u5316\u3001\u89e3\u7801 IP \u540c\u6708\u5b98\u5ba3，\u751f\u6001\u56db\u4ef6\u5957\u65e0\u4e00\u7f3a\u5e2d\u3002<\/li>\n
            • \u514d\u7248\u7a0e\u6709\u8fb9\u754c：Sisvel \u4e0e Access Advance \u53cc\u6c60\u5165\u573a（2026-08）\u5212\u6e05\u4e86"\u6210\u5458\u5185\u514d\u8d39\u3001\u6210\u5458\u5916\u6709\u655e\u53e3"\u7684\u771f\u5b9e\u8fb9\u754c，\u8fd9\u662f\u4ea7\u54c1\u6cd5\u52a1\u5fc5\u987b\u91cd\u4f30\u7684\u53d8\u91cf\u3002<\/li>\n
            • \u5bf9 H.267 \u7684\u6324\u538b\u5df2\u7ecf\u751f\u6548：\u6548\u7387\u8d8b\u540c + \u4e00\u4e2a\u90e8\u7f72\u5468\u671f\u7684\u9886\u5148，\u628a H.267 \u7684\u5dee\u5f02\u5316\u62bc\u6ce8\u903c\u5230\u4e86\u795e\u7ecf\/AIGC \u80fd\u529b\u4e0a\u3002<\/li>\n

              \u7559\u7ed9\u65f6\u95f4\u56de\u7b54\u7684\u5f00\u653e\u95ee\u9898：<\/p>\n

                \n
              • dav2d \u7684 4 \u500d\u89e3\u7801\u5f00\u9500，\u4f18\u5316\u540e\u80fd\u6536\u655b\u5230\u591a\u5c11？TIP \u4f1a\u4e0d\u4f1a\u5728\u8f7b\u91cf\u7ea7 Profile \u4e2d\u88ab\u88c1\u526a？<\/li>\n
              • SVT-AV2 \u4f55\u65f6\u8fbe\u5230\u751f\u4ea7\u7ea7 preset \u77e9\u9635？\u76f4\u64ad\/RTC \u573a\u666f\u7684\u8f6f\u7f16\u5b9e\u65f6\u6027\u4f55\u65f6\u89e3\u9501？<\/li>\n
              • Access Advance \u7684 AV2 \u6c60\u5b9a\u4ef7\u7b56\u7565\u516c\u5e03\u540e，\u975e\u6210\u5458\u786c\u4ef6\u5382\u5546\u7684\u6210\u672c\u6a21\u578b\u600e\u4e48\u53d8？<\/li>\n
              • YouTube AV2 \u7070\u5ea6\u4e0a\u7ebf\u540e\u7684\u771f\u5b9e AB \u6570\u636e（\u5e26\u5bbd\u8282\u7701 vs \u8f6c\u7801\u6210\u672c\u589e\u91cf）\u4f55\u65f6\u62ab\u9732？\u2014\u2014\u8fd9\u5c06\u662f"30%"\u53e3\u5f84\u7684\u7b2c\u4e00\u6b21\u5927\u89c4\u6a21\u5b9e\u6218\u68c0\u9a8c\u3002<\/li>\n
              • H.267 2027 \u5e74 1 \u6708\u8bc4\u4f30\u4f1a\u7684\u7ed3\u679c，\u4f1a\u5426\u4fc3\u4f7f\u90e8\u5206 AOMedia \u6210\u5458\u5728\u795e\u7ecf\u5de5\u5177\u4e13\u5229\u4e0a\u4e24\u5934\u4e0b\u6ce8？<\/li>\n<\/ul>\n

                2015 \u5e74 AOMedia \u6210\u7acb\u65f6，\u884c\u4e1a\u7684\u5224\u65ad\u662f"\u4e13\u5229\u6c60\u6a21\u5f0f\u4e0d\u53ef\u6218\u80dc"；2018 \u5e74 AV1 \u5b9a\u7a3f\u65f6，\u5224\u65ad\u53d8\u6210"\u5f00\u6e90\u7f16\u89e3\u7801\u5668\u53ef\u4ee5\u505a\u6807\u51c6"；2026 \u5e74 AV2 \u5b9a\u7a3f\u3001YouTube \u62bc\u6ce8\u3001Sisvel \u548c Access Advance \u53cd\u5411\u7ec4\u5efa AV2 \u6c60\u2014\u2014\u4e13\u5229\u5927\u6218\u6ca1\u6709\u7ed3\u675f，\u53ea\u662f\u6218\u573a\u4ece"\u8981\u4e0d\u8981\u4ed8\u8d39"\u8f6c\u79fb\u5230\u4e86"\u8c01\u7684\u514d\u8d39\u66f4\u5f7b\u5e95\u3001\u8c01\u7684\u8d35\u5f97\u6709\u4ef7\u503c"\u3002 \u8fd9\u4e2a\u95ee\u9898\u7684\u7b54\u6848，2029 \u5e74 H.267 \u5b9a\u7a3f\u65f6\u89c1\u5206\u6653\u3002<\/p>\n

                \n

                \u53c2\u8003\u4e0e\u5ef6\u4f38\u9605\u8bfb<\/p>\n

                  \n
                • AOMedia \u5b98\u65b9：AV2 Specification v1.0.0 \u4e0e AVM v1.0.0（av2.aomedia.org，2026-05-28）<\/li>\n
                • AOMedia \u65b0\u95fb\u7a3f：Alliance for Open Media Releases AV2 Codec（2026-06-09）<\/li>\n
                • AOMedia \u5b98\u65b9\u535a\u5ba2：AV2 \u2014 What the Final Specification Means for Implementers（Norkin\/Grange \u8054\u5e2d\u4e3b\u5e2d\u8bbf\u8c08，2026-07）<\/li>\n
                • Andrey Norkin：AV2 video codec \u6280\u672f\u7efc\u8ff0（norkin.org\/research\/av2_overview）<\/li>\n
                • VideoLAN Developer Days 2026 Rome：dav2d \u6f14\u8bb2\u5b9e\u5f55（Ronald Bultje，\u542b TIP \u673a\u5236\u4e0e\u6027\u80fd\u6570\u636e）<\/li>\n
                • AOMedia：Rapid AV2 Adoption Across the Video Ecosystem（2026-10-22）；Libaom v3.15 \u53d1\u5e03\u8bf4\u660e（2026-09）<\/li>\n
                • Andrey Norkin：AV2 Video Codec Architecture（QoMEX 2025 \u5e7b\u706f\u7247，norkin.org\/pdf）\u2014\u2014TCQ \u72b6\u6001\u673a\u3001\u7edf\u4e00\u6307\u6570\u91cf\u5316\u5668\u4e0e\u91cf\u5316\u77e9\u9635\u53c2\u6570\u5316\u7684\u4e00\u624b\u56fe\u89e3<\/li>\n
                • Han Gao, Xin Zhao, Tianqi Liu, Shan Liu：Video Coding with Cross-Component Sample Offset（IEEE TIP 2025 \/ arXiv:2406.01795）\u2014\u2014CCSO \u539f\u59cb\u8bba\u6587，\u542b\u5b8c\u6574\u8bed\u6cd5\u3001\u5206\u7c7b\u5668\u8bbe\u8ba1\u4e0e CTC \u5b9e\u6d4b\u6570\u636e<\/li>\n
                • Intel \u4e13\u5229：US 2026\/0222564 A1（2026-07-30 \u516c\u5f00）\u2014\u2014CCSO \u7f16\u7801\u7aef\u5206\u5c42\u51b3\u7b56\u52a0\u901f\u6846\u67b6<\/li>\n
                • Marcellin & Fischer：Trellis Coded Quantization of Memoryless and Gauss-Markov Sources（IEEE Trans. Comm., 1987）\u2014\u2014TCQ \u7406\u8bba\u6e90\u5934<\/li>\n
                • Gish & Pierce：Asymptotically Efficient Quantizing（IEEE Trans. Inf. Theory, 1968）\u2014\u2014\u03c0e\/6 \u56e0\u5b50\u7684\u51fa\u5904<\/li>\n
                • Google\/YouTube AV2 \u4e0a\u7ebf\u8ba1\u5212\u4e0e Chrome \u6f14\u793a（2026 \u5e74 10 \u6708\u62a5\u9053）<\/li>\n
                • Sisvel \u4e0e Access Advance AV2 \u4e13\u5229\u6c60\u516c\u544a（2026-08）<\/li>\n
                • \u817e\u8baf \u00d7 Google ICIP 2026 \u8bba\u6587：AV2 \u5757\u5212\u5206\u6846\u67b6\u4e0e\u5e27\u95f4\u5de5\u5177\u7efc\u8ff0（IEEE Xplore #11630267）<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

                  2026 \u5e74 5 \u6708 28 \u65e5，AOMedia \u53d1\u5e03 AV2 \u89c4\u8303 v1.0.0 \u53ca\u914d\u5957\u53c2\u8003\u8f6f\u4ef6 AVM v1.0.0，6 \u6708 9 \u65e5\u6b63\u5f0f\u5b98\u5ba3\u3002Chrome \u5df2\u5b8c\u6210 AV2 \u64ad\u653e\u6f14\u793a，Google \u786e\u8ba4 YouTube \u7f51\u9875\u7248\u6700\u65e9 2027 \u5e74\u521d\u63d0\u4f9b AV2 \u7801\u6d41\u3002\u5b98\u65b9\u53e3\u5f84：\u540c\u7b49\u753b\u8d28\u8f83 AV1 \u5e73\u5747\u7701\u7ea6 30% \u7801\u7387（PSNR-YUV \u221228.63%，VMAF \u221232.59%）&<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12392,13891,13890,13892,215,214],"topic":[],"class_list":["post-121397","post","type-post","status-publish","format-standard","hentry","category-server","tag-12392","tag-aom","tag-av2","tag-h266","tag-215","tag-214"],"yoast_head":"\nAV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/121397.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"2026 \u5e74 5 \u6708 28 \u65e5，AOMedia \u53d1\u5e03 AV2 \u89c4\u8303 v1.0.0 \u53ca\u914d\u5957\u53c2\u8003\u8f6f\u4ef6 AVM v1.0.0，6 \u6708 9 \u65e5\u6b63\u5f0f\u5b98\u5ba3\u3002Chrome \u5df2\u5b8c\u6210 AV2 \u64ad\u653e\u6f14\u793a，Google \u786e\u8ba4 YouTube \u7f51\u9875\u7248\u6700\u65e9 2027 \u5e74\u521d\u63d0\u4f9b AV2 \u7801\u6d41\u3002\u5b98\u65b9\u53e3\u5f84：\u540c\u7b49\u753b\u8d28\u8f83 AV1 \u5e73\u5747\u7701\u7ea6 30% \u7801\u7387（PSNR-YUV \u221228.63%，VMAF \u221232.59%）&\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/121397.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-02T09:32:46+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/121397.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/121397.html\",\"name\":\"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-11-02T09:32:46+00:00\",\"dateModified\":\"2026-11-02T09:32:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/121397.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/121397.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/121397.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/121397.html","og_locale":"zh_CN","og_type":"article","og_title":"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"2026 \u5e74 5 \u6708 28 \u65e5，AOMedia \u53d1\u5e03 AV2 \u89c4\u8303 v1.0.0 \u53ca\u914d\u5957\u53c2\u8003\u8f6f\u4ef6 AVM v1.0.0，6 \u6708 9 \u65e5\u6b63\u5f0f\u5b98\u5ba3\u3002Chrome \u5df2\u5b8c\u6210 AV2 \u64ad\u653e\u6f14\u793a，Google \u786e\u8ba4 YouTube \u7f51\u9875\u7248\u6700\u65e9 2027 \u5e74\u521d\u63d0\u4f9b AV2 \u7801\u6d41\u3002\u5b98\u65b9\u53e3\u5f84：\u540c\u7b49\u753b\u8d28\u8f83 AV1 \u5e73\u5747\u7701\u7ea6 30% \u7801\u7387（PSNR-YUV \u221228.63%，VMAF \u221232.59%）&","og_url":"https:\/\/www.wsisp.com\/helps\/121397.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-11-02T09:32:46+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"11 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/121397.html","url":"https:\/\/www.wsisp.com\/helps\/121397.html","name":"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-11-02T09:32:46+00:00","dateModified":"2026-11-02T09:32:46+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/121397.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/121397.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/121397.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"AV2 \u5b9a\u7a3f\u51b2\u523a\uff1a\u514d\u7248\u7a0e\u9635\u8425\u7684\u95ea\u7535\u6218\u2014\u2014\u4ece v1.0.0 \u89c4\u8303\u5230 YouTube 2027 \u4e0a\u7ebf"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/121397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=121397"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/121397\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=121397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=121397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=121397"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=121397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}