{"id":103089,"date":"2026-09-09T22:01:01","date_gmt":"2026-09-09T14:01:01","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/103089.html"},"modified":"2026-09-09T22:01:01","modified_gmt":"2026-09-09T14:01:01","slug":"x264-%e7%a0%81%e7%8e%87%e6%8e%a7%e5%88%b6%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9acrf%e3%80%81cbr%e3%80%81abr-%e5%88%b0%e5%ba%95%e6%80%8e%e4%b9%88%e9%80%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/103089.html","title":{"rendered":"x264 \u7801\u7387\u63a7\u5236\u6df1\u5ea6\u89e3\u6790\uff1aCRF\u3001CBR\u3001ABR \u5230\u5e95\u600e\u4e48\u9009\uff1f"},"content":{"rendered":"<p>\u89c9\u5f97\u6709\u7528\uff0c\u5c31\u8bf7\u60a8\u5e2e\u5fd9\u70b9\u8d5e\u8f6c\u53d1\u6536\u85cf\u5427\uff0c\u60a8\u7684\u9f13\u52b1\u662f\u6211\u521b\u4f5c\u7684\u52a8\u529b\uff0c\u591a\u8c22\u770b\u5b98\u4e86\u3002 \u7531\u4e8e\u80fd\u529b\u6c34\u5e73\u6709\u9650\uff0c\u6587\u4e2d\u7684\u9519\u8bef\u6216\u4e0d\u4e25\u8c28\u7684\u5730\u65b9\u5728\u6240\u96be\u514d\uff0c\u8fd8\u8bf7\u6279\u8bc4\u6307\u6b63\u3002<\/p>\n<p>\u672c\u6587\u4ece\u539f\u7406\u3001\u6570\u5b66\u6a21\u578b\u3001\u5b9e\u9645\u884c\u4e3a\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u7cfb\u7edf\u62c6\u89e3 x264 \u4e2d\u4e09\u79cd\u6838\u5fc3\u7801\u7387\u63a7\u5236\u6a21\u5f0f\uff1a CRF\uff08Constant Rate Factor\uff09\uff1a\u6052\u5b9a\u8d28\u91cf\u6a21\u5f0f\uff0c\u7f16\u7801\u5668\u6839\u636e\u753b\u9762\u590d\u6742\u5ea6\u81ea\u9002\u5e94\u5206\u914d\u7801\u7387\uff0c\u6587\u4ef6\u5927\u5c0f\u4e0d\u53ef\u63a7\u4f46\u4e3b\u89c2\u8d28\u91cf\u6700\u7a33\u5b9a\u3002\u9002\u5408\u5f55\u5c4f\u3001\u5f52\u6863\u3001\u672c\u5730\u5b58\u50a8\u3002 CBR\uff08Constant Bitrate\uff09\uff1a\u6052\u5b9a\u7801\u7387\u6a21\u5f0f\uff0c\u6bcf\u79d2\u8f93\u51fa\u6bd4\u7279\u6570\u4e25\u683c\u56fa\u5b9a\uff0c\u5e26\u5bbd\u53ef\u63a7\u4f46\u590d\u6742\u573a\u666f\u753b\u8d28\u5d29\u584c\u3002\u9002\u5408\u76f4\u64ad\u63a8\u6d41\u3001\u89c6\u9891\u4f1a\u8bae\u3001\u5e26\u5bbd\u53d7\u9650\u573a\u666f\u3002 ABR\uff08Average Bitrate\uff09\uff1a\u5e73\u5747\u7801\u7387\u6a21\u5f0f\uff0c\u6574\u4f53\u7801\u7387\u8d8b\u8fd1\u76ee\u6807\u503c\u4f46\u5141\u8bb8\u77ac\u65f6\u6ce2\u52a8\uff0c\u662f CBR \u548c CRF \u7684\u6298\u4e2d\u3002\u9002\u5408 VOD \u70b9\u64ad\u3001\u6d41\u5a92\u4f53\u5206\u53d1\u3002 \u6587\u7ae0\u6db5\u76d6\uff1a\u5185\u90e8\u5b9e\u73b0\u673a\u5236\u3001QP \u4e0e CRF \u7684\u5173\u7cfb\u3001x264 \u7279\u6709\u7684 VBV \u7f13\u51b2\u6a21\u578b\u30012-Pass \u4e0e ABR \u7684\u914d\u5408\u3001\u4ee5\u53ca\u5b9e\u9645\u5de5\u7a0b\u4e2d\u7684\u53c2\u6570\u7ec4\u5408\u5efa\u8bae\u3002<\/p>\n<hr>\n<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"%E4%B8%80%E3%80%81%E7%A0%81%E7%8E%87%E6%8E%A7%E5%88%B6%E7%9A%84%E6%A0%B8%E5%BF%83%E9%97%AE%E9%A2%98-toc\" style=\"margin-left:40px\">\u4e00\u3001\u7801\u7387\u63a7\u5236\u7684\u6838\u5fc3\u95ee\u9898<\/p>\n<p id=\"%E4%BA%8C%E3%80%81CRF%EF%BC%9AConstant%20Rate%20Factor%EF%BC%88%E6%81%92%E5%AE%9A%E9%80%9F%E7%8E%87%E5%9B%A0%E5%AD%90%EF%BC%89-toc\" style=\"margin-left:40px\">\u4e8c\u3001CRF\uff1aConstant Rate Factor\uff08\u6052\u5b9a\u901f\u7387\u56e0\u5b50\uff09<\/p>\n<p id=\"2.1%20%E6%A0%B8%E5%BF%83%E6%80%9D%E6%83%B3-toc\" style=\"margin-left:80px\">2.1 \u6838\u5fc3\u601d\u60f3<\/p>\n<p id=\"2.2%20%E6%95%B0%E5%AD%A6%E6%9C%AC%E8%B4%A8-toc\" style=\"margin-left:80px\">2.2 \u6570\u5b66\u672c\u8d28<\/p>\n<p id=\"2.3%20%E6%95%B0%E5%80%BC%E8%8C%83%E5%9B%B4%E4%B8%8E%E4%B8%BB%E8%A7%82%E6%84%9F%E5%8F%97-toc\" style=\"margin-left:80px\">2.3 \u6570\u503c\u8303\u56f4\u4e0e\u4e3b\u89c2\u611f\u53d7<\/p>\n<p id=\"2.4%20CRF%20vs%20QP%EF%BC%9A%E4%B8%BA%E4%BB%80%E4%B9%88%20CRF%20%E6%9B%B4%E8%81%AA%E6%98%8E-toc\" style=\"margin-left:80px\">2.4 CRF vs QP\uff1a\u4e3a\u4ec0\u4e48 CRF \u66f4\u806a\u660e<\/p>\n<p id=\"2.5%20CRF%20%E7%9A%84%E5%B1%80%E9%99%90%E6%80%A7-toc\" style=\"margin-left:80px\">2.5 CRF \u7684\u5c40\u9650\u6027<\/p>\n<p id=\"%E4%B8%89%E3%80%81CBR%EF%BC%9AConstant%20Bitrate%EF%BC%88%E6%81%92%E5%AE%9A%E6%AF%94%E7%89%B9%E7%8E%87%EF%BC%89-toc\" style=\"margin-left:40px\">\u4e09\u3001CBR\uff1aConstant Bitrate\uff08\u6052\u5b9a\u6bd4\u7279\u7387\uff09<\/p>\n<p id=\"3.1%20%E6%A0%B8%E5%BF%83%E6%80%9D%E6%83%B3-toc\" style=\"margin-left:80px\">3.1 \u6838\u5fc3\u601d\u60f3<\/p>\n<p id=\"3.2%20x264%20%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%22%E6%81%92%E5%AE%9A%22-toc\" style=\"margin-left:80px\">3.2 x264 \u5982\u4f55\u5b9e\u73b0\\&#8221;\u6052\u5b9a\\&#8221;<\/p>\n<p id=\"3.3%20CBR%20%E7%9A%84%E4%BB%A3%E4%BB%B7-toc\" style=\"margin-left:80px\">3.3 CBR \u7684\u4ee3\u4ef7<\/p>\n<p id=\"3.4%20CBR%20%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF-toc\" style=\"margin-left:80px\">3.4 CBR \u9002\u7528\u573a\u666f<\/p>\n<p id=\"%E5%9B%9B%E3%80%81ABR%EF%BC%9AAverage%20Bitrate%EF%BC%88%E5%B9%B3%E5%9D%87%E6%AF%94%E7%89%B9%E7%8E%87%EF%BC%89-toc\" style=\"margin-left:40px\">\u56db\u3001ABR\uff1aAverage Bitrate\uff08\u5e73\u5747\u6bd4\u7279\u7387\uff09<\/p>\n<p id=\"4.1%20%E6%A0%B8%E5%BF%83%E6%80%9D%E6%83%B3-toc\" style=\"margin-left:80px\">4.1 \u6838\u5fc3\u601d\u60f3<\/p>\n<p id=\"4.2%20x264%20%E7%9A%84%20ABR%20%E5%AE%9E%E7%8E%B0-toc\" style=\"margin-left:80px\">4.2 x264 \u7684 ABR \u5b9e\u73b0<\/p>\n<p id=\"4.3%20ABR%20%E7%9A%84%E9%97%AE%E9%A2%98%EF%BC%9A%E5%BC%80%E5%B1%80%E5%A4%B1%E6%8E%A7-toc\" style=\"margin-left:80px\">4.3 ABR \u7684\u95ee\u9898\uff1a\u5f00\u5c40\u5931\u63a7<\/p>\n<p id=\"4.4%20ABR%20vs%20CBR-toc\" style=\"margin-left:80px\">4.4 ABR vs CBR<\/p>\n<p id=\"%E4%BA%94%E3%80%812-Pass%EF%BC%9AABR%20%E7%9A%84%E7%B2%BE%E7%A1%AE%E7%89%88-toc\" style=\"margin-left:40px\">\u4e94\u30012-Pass\uff1aABR \u7684\u7cbe\u786e\u7248<\/p>\n<p id=\"5.1%20%E5%8E%9F%E7%90%86-toc\" style=\"margin-left:80px\">5.1 \u539f\u7406<\/p>\n<p id=\"5.2%202-Pass%20%E7%9A%84%E4%BC%98%E5%8A%BF-toc\" style=\"margin-left:80px\">5.2 2-Pass \u7684\u4f18\u52bf<\/p>\n<p id=\"5.3%202-Pass%20%E7%9A%84%E4%BB%A3%E4%BB%B7-toc\" style=\"margin-left:80px\">5.3 2-Pass \u7684\u4ee3\u4ef7<\/p>\n<p id=\"%E5%85%AD%E3%80%81VBV%20%2B%20CRF%EF%BC%9A%E4%B8%A4%E5%85%A8%E5%85%B6%E7%BE%8E%EF%BC%9F-toc\" style=\"margin-left:40px\">\u516d\u3001VBV + CRF\uff1a\u4e24\u5168\u5176\u7f8e\uff1f<\/p>\n<p id=\"6.1%20%E6%80%9D%E8%B7%AF-toc\" style=\"margin-left:80px\">6.1 \u601d\u8def<\/p>\n<p id=\"6.2%20%E8%A1%8C%E4%B8%BA-toc\" style=\"margin-left:80px\">6.2 \u884c\u4e3a<\/p>\n<p id=\"6.3%20%E9%80%82%E7%94%A8%E5%9C%BA%E6%99%AF-toc\" style=\"margin-left:80px\">6.3 \u9002\u7528\u573a\u666f<\/p>\n<p id=\"%E4%B8%83%E3%80%81%E5%8F%82%E6%95%B0%E7%BB%84%E5%90%88%E9%80%9F%E6%9F%A5%E8%A1%A8-toc\" style=\"margin-left:40px\">\u4e03\u3001\u53c2\u6570\u7ec4\u5408\u901f\u67e5\u8868<\/p>\n<p id=\"%E5%85%AB%E3%80%81%E6%80%BB%E7%BB%93-toc\" style=\"margin-left:40px\">\u516b\u3001\u603b\u7ed3<\/p>\n<hr id=\"hr-toc\">\n<h3>\u4e00\u3001\u7801\u7387\u63a7\u5236\u7684\u6838\u5fc3\u95ee\u9898<\/h3>\n<p>\u89c6\u9891\u7f16\u7801\u7684\u672c\u8d28\u662f\u5728\u6709\u9650\u6bd4\u7279\u4e0b\u6700\u5927\u5316\u4e3b\u89c2\u8d28\u91cf\u3002\u7801\u7387\u63a7\u5236\u56de\u7b54\u7684\u95ee\u9898\u662f\uff1a<\/p>\n<p>\\&#8221;\u8fd9\u4e00\u5e27\u3001\u8fd9\u4e2a\u5b8f\u5757\uff0c\u6211\u8be5\u7528\u591a\u5c11\u6bd4\u7279\uff1f\\&#8221;<\/p>\n<p>x264 \u7684\u7801\u7387\u63a7\u5236\u4e0d\u662f\u4e00\u4e2a\u5355\u4e00\u7b97\u6cd5\uff0c\u800c\u662f\u4e00\u5957\u5206\u5c42\u51b3\u7b56\u7cfb\u7edf\uff1a<\/p>\n<p>\u76ee<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89c9\u5f97\u6709\u7528\uff0c\u5c31\u8bf7\u60a8\u5e2e\u5fd9\u70b9\u8d5e\u8f6c\u53d1\u6536\u85cf\u5427\uff0c\u60a8\u7684\u9f13\u52b1\u662f\u6211\u521b\u4f5c\u7684\u52a8\u529b\uff0c\u591a\u8c22\u770b\u5b98\u4e86\u3002 \u7531\u4e8e\u80fd\u529b\u6c34\u5e73\u6709\u9650\uff0c\u6587\u4e2d\u7684\u9519\u8bef\u6216\u4e0d\u4e25\u8c28\u7684\u5730\u65b9\u5728\u6240\u96be\u514d\uff0c\u8fd8\u8bf7\u6279\u8bc4\u6307\u6b63\u3002 \u672c\u6587\u4ece\u539f\u7406\u3001\u6570\u5b66\u6a21\u578b\u3001\u5b9e\u9645\u884c\u4e3a\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u7cfb\u7edf\u62c6\u89e3 x264 \u4e2d\u4e09\u79cd\u6838\u5fc3\u7801\u7387\u63a7\u5236\u6a21\u5f0f\uff1a CRF\uff08Constant Rate Factor\uff09\uff1a\u6052\u5b9a\u8d28\u91cf\u6a21\u5f0f\uff0c\u7f16\u7801\u5668\u6839\u636e\u753b\u9762\u590d\u6742\u5ea6\u81ea\u9002\u5e94\u5206\u914d\u7801\u7387\uff0c\u6587\u4ef6\u5927\u5c0f\u4e0d\u53ef\u63a7\u4f46\u4e3b\u89c2\u8d28\u91cf\u6700\u7a33\u5b9a\u3002\u9002\u5408\u5f55\u5c4f\u3001\u5f52\u6863\u3001\u672c\u5730\u5b58\u50a8\u3002 CBR\uff08Constant Bitrate\uff09\uff1a\u6052\u5b9a\u7801\u7387\u6a21\u5f0f\uff0c\u6bcf\u79d2\u8f93\u51fa\u6bd4\u7279\u6570\u4e25\u683c\u56fa\u5b9a\uff0c\u5e26\u5bbd\u53ef\u63a7<\/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":[11757,11755,11756,213,214],"topic":[],"class_list":["post-103089","post","type-post","status-publish","format-standard","hentry","category-server","tag-crf","tag-libx264","tag-11756","tag-ffmpeg","tag-214"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 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content=\"\u89c9\u5f97\u6709\u7528\uff0c\u5c31\u8bf7\u60a8\u5e2e\u5fd9\u70b9\u8d5e\u8f6c\u53d1\u6536\u85cf\u5427\uff0c\u60a8\u7684\u9f13\u52b1\u662f\u6211\u521b\u4f5c\u7684\u52a8\u529b\uff0c\u591a\u8c22\u770b\u5b98\u4e86\u3002 \u7531\u4e8e\u80fd\u529b\u6c34\u5e73\u6709\u9650\uff0c\u6587\u4e2d\u7684\u9519\u8bef\u6216\u4e0d\u4e25\u8c28\u7684\u5730\u65b9\u5728\u6240\u96be\u514d\uff0c\u8fd8\u8bf7\u6279\u8bc4\u6307\u6b63\u3002 \u672c\u6587\u4ece\u539f\u7406\u3001\u6570\u5b66\u6a21\u578b\u3001\u5b9e\u9645\u884c\u4e3a\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u7cfb\u7edf\u62c6\u89e3 x264 \u4e2d\u4e09\u79cd\u6838\u5fc3\u7801\u7387\u63a7\u5236\u6a21\u5f0f\uff1a CRF\uff08Constant Rate 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