{"id":788,"date":"2026-01-25T09:51:02","date_gmt":"2026-01-25T01:51:02","guid":{"rendered":"https:\/\/ixriver.com\/?p=788"},"modified":"2026-01-25T09:51:02","modified_gmt":"2026-01-25T01:51:02","slug":"%e8%a7%86%e9%a2%91%e7%a0%81%e7%8e%87%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/finance.ixriver.com\/?p=788","title":{"rendered":"\u89c6\u9891\u7801\u7387\u63a7\u5236"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#CRF%E3%80%81ABR%E3%80%81VBR_%E6%A0%B8%E5%BF%83%E5%8C%BA%E5%88%AB%EF%BC%88%E9%80%9A%E4%BF%97%E7%90%86%E8%A7%A3%EF%BC%89\" title=\"CRF\u3001ABR\u3001VBR \u6838\u5fc3\u533a\u522b\uff08\u901a\u4fd7\u7406\u89e3\uff09\">CRF\u3001ABR\u3001VBR \u6838\u5fc3\u533a\u522b\uff08\u901a\u4fd7\u7406\u89e3\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#1_CRF_Constant_Rate_Factor_%E2%80%94%E2%80%94_%E6%81%92%E5%AE%9A%E8%B4%A8%E9%87%8F%E5%9B%A0%E5%AD%90\" title=\"1. CRF (Constant Rate Factor) \u2014\u2014 \u6052\u5b9a\u8d28\u91cf\u56e0\u5b50\">1. CRF (Constant Rate Factor) \u2014\u2014 \u6052\u5b9a\u8d28\u91cf\u56e0\u5b50<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#2_ABR_Average_Bitrate_%E2%80%94%E2%80%94_%E5%B9%B3%E5%9D%87%E7%A0%81%E7%8E%87%EF%BC%88%E5%8D%95%E9%81%8D%EF%BC%89\" title=\"2. ABR (Average Bitrate) \u2014\u2014 \u5e73\u5747\u7801\u7387\uff08\u5355\u904d\uff09\">2. ABR (Average Bitrate) \u2014\u2014 \u5e73\u5747\u7801\u7387\uff08\u5355\u904d\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#3_VBR_Variable_Bitrate_%E2%80%94%E2%80%94_%E5%8F%AF%E5%8F%98%E7%A0%81%E7%8E%87%EF%BC%88%E9%80%9A%E5%B8%B8%E6%8C%87_2-Pass_VBR%EF%BC%89\" title=\"3. VBR (Variable Bitrate) \u2014\u2014 \u53ef\u53d8\u7801\u7387\uff08\u901a\u5e38\u6307 2-Pass VBR\uff09\">3. VBR (Variable Bitrate) \u2014\u2014 \u53ef\u53d8\u7801\u7387\uff08\u901a\u5e38\u6307 2-Pass VBR\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#%E5%BF%AB%E9%80%9F%E9%80%89%E6%8B%A9%E6%8C%87%E5%8D%97\" title=\"\u5feb\u901f\u9009\u62e9\u6307\u5357\">\u5feb\u901f\u9009\u62e9\u6307\u5357<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#%E6%80%BB%E7%BB%93%E5%AF%B9%E6%AF%94%E8%A1%A8%EF%BC%88%E9%80%9A%E4%BF%97%E7%89%88%EF%BC%89\" title=\"\u603b\u7ed3\u5bf9\u6bd4\u8868\uff08\u901a\u4fd7\u7248\uff09\">\u603b\u7ed3\u5bf9\u6bd4\u8868\uff08\u901a\u4fd7\u7248\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#%E8%AF%A6%E7%BB%86%E5%AF%B9%E6%AF%94%E8%AF%B4%E6%98%8E%EF%BC%88%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82%EF%BC%89\" title=\"\u8be6\u7ec6\u5bf9\u6bd4\u8bf4\u660e\uff08\u6280\u672f\u7ec6\u8282\uff09\">\u8be6\u7ec6\u5bf9\u6bd4\u8bf4\u660e\uff08\u6280\u672f\u7ec6\u8282\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/finance.ixriver.com\/?p=788\/#%E5%AE%9E%E9%99%85%E5%BA%94%E7%94%A8%E5%BB%BA%E8%AE%AE\" title=\"\u5b9e\u9645\u5e94\u7528\u5efa\u8bae\">\u5b9e\u9645\u5e94\u7528\u5efa\u8bae<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"CRF%E3%80%81ABR%E3%80%81VBR_%E6%A0%B8%E5%BF%83%E5%8C%BA%E5%88%AB%EF%BC%88%E9%80%9A%E4%BF%97%E7%90%86%E8%A7%A3%EF%BC%89\"><\/span>CRF\u3001ABR\u3001VBR \u6838\u5fc3\u533a\u522b\uff08\u901a\u4fd7\u7406\u89e3\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728 H.264 \u89c6\u9891\u7f16\u7801\uff08\u901a\u5e38\u6307\u4f7f\u7528 x264 \u7f16\u7801\u5668\uff09\u4e2d\uff0c<strong>CRF<\/strong>\u3001<strong>ABR<\/strong> \u548c <strong>VBR\uff082-Pass\uff09<\/strong> \u662f\u4e09\u79cd\u63a7\u5236<strong>\u7801\u7387\uff08Bitrate\uff09<\/strong>\u548c<strong>\u753b\u8d28<\/strong>\u4e4b\u95f4\u5e73\u8861\u7684\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u6838\u5fc3\u533a\u522b\u5728\u4e8e\u7f16\u7801\u5668\u4f18\u5148\u4fdd\u8bc1\u4ec0\u4e48<\/strong>\uff1a\u662f\u4fdd\u8bc1\u6587\u4ef6\u5927\u5c0f\u3001\u4fdd\u8bc1\u753b\u8d28\uff0c\u8fd8\u662f\u4fdd\u8bc1\u5b9e\u65f6\u6027\uff1f<\/p>\n<h4><span class=\"ez-toc-section\" id=\"1_CRF_Constant_Rate_Factor_%E2%80%94%E2%80%94_%E6%81%92%E5%AE%9A%E8%B4%A8%E9%87%8F%E5%9B%A0%E5%AD%90\"><\/span>1. CRF (Constant Rate Factor) \u2014\u2014 \u6052\u5b9a\u8d28\u91cf\u56e0\u5b50<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u6838\u5fc3\u903b\u8f91\uff1a<\/strong> <strong>&#8220;\u753b\u8d28\u4f18\u5148\uff0c\u6587\u4ef6\u5927\u5c0f\u968f\u7f18&#8221;<\/strong><\/p>\n<ul>\n<li><strong>\u539f\u7406\uff1a<\/strong><br \/>\n  \u8fd9\u662f x264\/x265 \u7f16\u7801\u5668\u7684\u9ed8\u8ba4\u548c\u63a8\u8350\u6a21\u5f0f\u3002\u4f60\u8bbe\u5b9a\u4e00\u4e2a&#8221;\u8d28\u91cf\u503c&#8221;\uff08CRF\u503c\uff09\uff0c\u7f16\u7801\u5668\u4f1a\u6839\u636e\u753b\u9762\u7684\u590d\u6742\u7a0b\u5ea6\u81ea\u52a8\u5206\u914d\u7801\u7387\u3002<\/li>\n<li><strong>\u7b80\u5355\u573a\u666f<\/strong>\uff08\u5982\u9759\u6b62\u753b\u9762\uff09\uff1a\u5206\u914d\u6781\u4f4e\u7801\u7387\uff0c\u4e0d\u6d6a\u8d39\u7a7a\u95f4\u3002<\/li>\n<li>\n<p><strong>\u590d\u6742\u573a\u666f<\/strong>\uff08\u5982\u52a8\u4f5c\u620f\u3001\u7206\u70b8\uff09\uff1a\u5206\u914d\u6781\u9ad8\u7801\u7387\uff0c\u4fdd\u8bc1\u4e0d\u5931\u771f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53c2\u6570\uff1a<\/strong><br \/>\n  \u8303\u56f4\u901a\u5e38\u662f 0-51\u3002\u6570\u503c\u8d8a<strong>\u5c0f<\/strong>\uff0c\u753b\u8d28\u8d8a\u597d\uff0c\u6587\u4ef6\u8d8a\u5927\u3002<\/p>\n<\/li>\n<li>0 = \u65e0\u635f\u3002<\/li>\n<li>18-23 = \u6807\u51c6\u8303\u56f4\uff0823 \u662f\u9ed8\u8ba4\u503c\uff0c18 \u88ab\u8ba4\u4e3a\u662f\u89c6\u89c9\u65e0\u635f\uff09\u3002<\/li>\n<li>\n<p>28+ = \u753b\u8d28\u660e\u663e\u4e0b\u964d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><br \/>\n  \u7f16\u7801\u6548\u7387\u6700\u9ad8\uff08\u6027\u4ef7\u6bd4\u6700\u9ad8\uff09\u3002\u5b83\u80fd\u4fdd\u8bc1\u6574\u90e8\u89c6\u9891\u7684<strong>\u89c6\u89c9\u8d28\u91cf\u662f\u4e00\u81f4\u7684<\/strong>\uff0c\u4e0d\u4f1a\u5ffd\u597d\u5ffd\u574f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9\uff1a<\/strong><br \/>\n  <strong>\u65e0\u6cd5\u9884\u6d4b\u6700\u7ec8\u6587\u4ef6\u5927\u5c0f<\/strong>\u3002\u5728\u7f16\u7801\u7ed3\u675f\u524d\uff0c\u4f60\u5b8c\u5168\u4e0d\u77e5\u9053\u89c6\u9891\u4f1a\u6709\u591a\u5927\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong><br \/>\n  \u672c\u5730\u5b58\u6863\u3001\u538b\u5236\u7535\u5f71\u3001\u4e0a\u4f20\u5230 YouTube\/Bilibili\uff08\u56e0\u4e3a\u5e73\u53f0\u4f1a\u4e8c\u538b\uff0c\u63d0\u4f9b\u9ad8\u8d28\u91cf\u6e90\u6587\u4ef6\u6700\u597d\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"2_ABR_Average_Bitrate_%E2%80%94%E2%80%94_%E5%B9%B3%E5%9D%87%E7%A0%81%E7%8E%87%EF%BC%88%E5%8D%95%E9%81%8D%EF%BC%89\"><\/span>2. ABR (Average Bitrate) \u2014\u2014 \u5e73\u5747\u7801\u7387\uff08\u5355\u904d\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u6838\u5fc3\u903b\u8f91\uff1a<\/strong> <strong>&#8220;\u4e3b\u8981\u63a7\u5236\u6587\u4ef6\u5927\u5c0f\uff0c\u4f46\u4e3a\u4e86\u753b\u8d28\u53ef\u4ee5\u5c0f\u5e45\u6ce2\u52a8&#8221;<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u539f\u7406\uff1a<\/strong><br \/>\n  \u4f60\u544a\u8bc9\u7f16\u7801\u5668\uff1a&#8221;\u6211\u5e0c\u671b\u6574\u90e8\u89c6\u9891\u7684\u5e73\u5747\u7801\u7387\u662f 2000kbps&#8221;\u3002\u7f16\u7801\u5668\u4f1a\u5728\u7b80\u5355\u7684\u7247\u6bb5\u7528\u5c11\u4e00\u70b9\uff0c\u590d\u6742\u7684\u7247\u6bb5\u7528\u591a\u4e00\u70b9\uff0c\u4f46\u6574\u4f53\u5c3d\u91cf\u5411 2000kbps \u9760\u62e2\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533a\u522b\uff1a<\/strong><br \/>\n  \u5b83\u662f\u5355\u6b21\u7f16\u7801\uff08Single Pass\uff09\u3002\u7f16\u7801\u5668\u5728\u5904\u7406\u5f53\u524d\u5e27\u65f6\uff0c\u4e0d\u77e5\u9053\u540e\u9762\u7684\u5e27\u6709\u591a\u590d\u6742\uff0c\u6240\u4ee5\u5b83\u7684\u7801\u7387\u5206\u914d\u662f&#8221;\u731c&#8221;\u7684\uff0c\u4e0d\u591f\u7cbe\u51c6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><br \/>\n  \u7f16\u7801\u901f\u5ea6\u5feb\uff08\u53ea\u9700\u8dd1\u4e00\u904d\uff09\uff0c\u6587\u4ef6\u5927\u5c0f\u76f8\u5bf9\u53ef\u63a7\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9\uff1a<\/strong><br \/>\n  <strong>\u753b\u8d28\/\u4f53\u79ef\u6bd4\u6700\u5dee<\/strong>\u3002\u56e0\u4e3a\u5b83\u4e0d\u77e5\u9053\u5168\u5c40\u60c5\u51b5\uff0c\u5f80\u5f80\u4f1a\u5728\u7b80\u5355\u7684\u573a\u666f\u6d6a\u8d39\u7801\u7387\uff0c\u800c\u5728\u590d\u6742\u7684\u573a\u666f\u56e0\u4e3a\u7801\u7387\u4e0d\u591f\u5bfc\u81f4\u9a6c\u8d5b\u514b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong><br \/>\n  <strong>\u76f4\u64ad<\/strong>\uff08\u975e\u4e25\u683c CBR \u6a21\u5f0f\u4e0b\uff09\u3001\u9700\u8981\u5feb\u901f\u51fa\u7247\u4e14\u5bf9\u753b\u8d28\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u3002<strong>\u901a\u5e38\u4e0d\u63a8\u8350\u7528\u4e8e\u89c6\u9891\u5b58\u50a8\u3002<\/strong><\/p>\n<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"3_VBR_Variable_Bitrate_%E2%80%94%E2%80%94_%E5%8F%AF%E5%8F%98%E7%A0%81%E7%8E%87%EF%BC%88%E9%80%9A%E5%B8%B8%E6%8C%87_2-Pass_VBR%EF%BC%89\"><\/span>3. VBR (Variable Bitrate) \u2014\u2014 \u53ef\u53d8\u7801\u7387\uff08\u901a\u5e38\u6307 2-Pass VBR\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u6838\u5fc3\u903b\u8f91\uff1a<\/strong> <strong>&#8220;\u7cbe\u51c6\u63a7\u5236\u6587\u4ef6\u5927\u5c0f\uff0c\u540c\u65f6\u5c3d\u91cf\u4f18\u5316\u753b\u8d28&#8221;<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><br \/>\n  \u867d\u7136 ABR \u548c CRF \u4ece\u6280\u672f\u4e0a\u8bb2\u4e5f\u662f&#8221;\u53ef\u53d8\u7684&#8221;\uff0c\u4f46\u5728 H.264 \u8ba8\u8bba\u4e2d\uff0c\u63d0\u5230 VBR \u901a\u5e38\u662f\u6307 <strong>2-Pass VBR\uff08\u4e8c\u6b21\u7f16\u7801\uff09<\/strong>\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u539f\u7406\uff1a<\/strong><\/p>\n<\/li>\n<li><strong>\u7b2c 1 \u904d\uff08Pass 1\uff09\uff1a<\/strong> \u7f16\u7801\u5668\u5feb\u901f\u626b\u63cf\u6574\u4e2a\u89c6\u9891\uff0c\u8bb0\u5f55\u54ea\u91cc\u7b80\u5355\u3001\u54ea\u91cc\u590d\u6742\uff0c\u751f\u6210\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\uff08.log\uff09\uff0c\u4f46\u4e0d\u8f93\u51fa\u89c6\u9891\u3002<\/li>\n<li>\n<p><strong>\u7b2c 2 \u904d\uff08Pass 2\uff09\uff1a<\/strong> \u7f16\u7801\u5668\u8bfb\u53d6\u65e5\u5fd7\uff0c\u6839\u636e\u4f60\u8bbe\u5b9a\u7684\u76ee\u6807\u7801\u7387\uff08\u6216\u76ee\u6807\u6587\u4ef6\u5927\u5c0f\uff09\uff0c\u7cbe\u51c6\u5730\u5c06\u6709\u9650\u7684&#8221;\u6bd4\u7279&#8221;\u5206\u914d\u7ed9\u6700\u9700\u8981\u7684\u590d\u6742\u573a\u666f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><br \/>\n  <strong>\u7cbe\u51c6\u63a7\u5236\u6587\u4ef6\u5927\u5c0f<\/strong>\uff0c\u4e14\u753b\u8d28\u6bd4 ABR \u597d\u5f97\u591a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9\uff1a<\/strong><br \/>\n  <strong>\u8017\u65f6\u6700\u957f<\/strong>\u3002\u56e0\u4e3a\u8981\u8dd1\u4e24\u904d\uff0c\u7f16\u7801\u65f6\u95f4\u662f ABR \u6216 CRF \u7684\u4e24\u500d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong><br \/>\n  \u53d7\u9650\u4e8e\u5b58\u50a8\u4ecb\u8d28\uff08\u5982\u5fc5\u987b\u628a\u4e00\u90e8\u7535\u5f71\u585e\u8fdb 4.7GB \u7684 DVD\uff0c\u6216 700MB \u7684 CD\uff09\uff0c\u6216\u8005\u53d7\u9650\u4e8e\u6d41\u5a92\u4f53\u5e26\u5bbd\u4e0a\u9650\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E5%BF%AB%E9%80%9F%E9%80%89%E6%8B%A9%E6%8C%87%E5%8D%97\"><\/span>\u5feb\u901f\u9009\u62e9\u6307\u5357<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u573a\u666f<\/th>\n<th>\u63a8\u8350\u6a21\u5f0f<\/th>\n<th>\u539f\u56e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u81ea\u5df1\u538b\u7247\u6536\u85cf\uff0c\u6216\u8981\u4f20 B\u7ad9\/YouTube<\/strong><\/td>\n<td><strong>CRF<\/strong>\uff08\u8bbe\u7f6e CRF=18~23\uff09<\/td>\n<td>\u6700\u7701\u5fc3\u4e14\u6548\u679c\u6700\u597d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u88ab\u8981\u6c42&#8221;\u89c6\u9891\u5fc5\u987b\u521a\u597d 500MB&#8221;<\/strong><\/td>\n<td><strong>2-Pass VBR<\/strong><\/td>\n<td>\u7cbe\u51c6\u63a7\u5236\u6587\u4ef6\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u641e\u76f4\u64ad<\/strong><\/td>\n<td><strong>CBR \u6216 ABR<\/strong><\/td>\n<td>\u53d6\u51b3\u4e8e\u63a8\u6d41\u670d\u52a1\u5668\u7684\u8981\u6c42<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5feb\u901f\u9884\u89c8\/\u4e34\u65f6\u6587\u4ef6<\/strong><\/td>\n<td><strong>ABR<\/strong><\/td>\n<td>\u7f16\u7801\u901f\u5ea6\u5feb<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9ad8\u8d28\u91cf\u5b58\u6863<\/strong><\/td>\n<td><strong>CRF<\/strong>\uff08CRF=18\uff09<\/td>\n<td>\u8d28\u91cf\u4f18\u5148<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93%E5%AF%B9%E6%AF%94%E8%A1%A8%EF%BC%88%E9%80%9A%E4%BF%97%E7%89%88%EF%BC%89\"><\/span>\u603b\u7ed3\u5bf9\u6bd4\u8868\uff08\u901a\u4fd7\u7248\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u7279\u6027<\/th>\n<th style=\"text-align: left;\">CRF (\u6052\u5b9a\u8d28\u91cf)<\/th>\n<th style=\"text-align: left;\">ABR (\u5e73\u5747\u7801\u7387)<\/th>\n<th style=\"text-align: left;\">VBR (2-Pass \u4e8c\u6b21\u7f16\u7801)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>\u4e3b\u8981\u76ee\u6807<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>\u753b\u8d28\u4e00\u81f4<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>\u7f16\u7801\u901f\u5ea6 + \u7c97\u7565\u5927\u5c0f<\/strong><\/td>\n<td style=\"text-align: left;\"><strong>\u7cbe\u51c6\u5927\u5c0f + \u6700\u4f73\u753b\u8d28\u5206\u914d<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u6587\u4ef6\u5927\u5c0f<\/strong><\/td>\n<td style=\"text-align: left;\">\u4e0d\u53ef\u9884\u6d4b<\/td>\n<td style=\"text-align: left;\">\u57fa\u672c\u53ef\u63a7<\/td>\n<td style=\"text-align: left;\"><strong>\u975e\u5e38\u7cbe\u51c6<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u7f16\u7801\u6b21\u6570<\/strong><\/td>\n<td style=\"text-align: left;\">1\u6b21<\/td>\n<td style=\"text-align: left;\">1\u6b21<\/td>\n<td style=\"text-align: left;\"><strong>2\u6b21<\/strong> (\u6162)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u753b\u8d28\u6548\u7387<\/strong><\/td>\n<td style=\"text-align: left;\">\u2b50\u2b50\u2b50\u2b50\u2b50 (\u6700\u9ad8)<\/td>\n<td style=\"text-align: left;\">\u2b50\u2b50\u2b50 (\u8f83\u4f4e)<\/td>\n<td style=\"text-align: left;\">\u2b50\u2b50\u2b50\u2b50 (\u9ad8)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u4e3b\u8981\u7528\u9014<\/strong><\/td>\n<td style=\"text-align: left;\">\u6536\u85cf\u3001\u4e0a\u4f20\u89c6\u9891\u7f51\u7ad9<\/td>\n<td style=\"text-align: left;\">\u76f4\u64ad\u3001\u5feb\u901f\u9884\u89c8<\/td>\n<td style=\"text-align: left;\">\u9650\u5236\u5bb9\u91cf\u7684\u5b58\u50a8 (DVD\/\u84dd\u5149)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5c3d\u91cf\u522b\u7528 ABR \u538b\u5236\u5b58\u6863\u89c6\u9891\uff0c\u90a3\u662f\u4ee5\u524d\u8ba1\u7b97\u80fd\u529b\u4e0d\u8db3\u65f6\u7684\u59a5\u534f\u4ea7\u7269\u3002\u73b0\u5728\u4f18\u5148\u63a8\u8350 CRF \u6216 2-Pass VBR\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E8%AF%A6%E7%BB%86%E5%AF%B9%E6%AF%94%E8%AF%B4%E6%98%8E%EF%BC%88%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82%EF%BC%89\"><\/span>\u8be6\u7ec6\u5bf9\u6bd4\u8bf4\u660e\uff08\u6280\u672f\u7ec6\u8282\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>CBR vs CRF<\/strong><br \/>\n&#8211; <strong>CBR\uff08VBV \u7ea6\u675f\uff09<\/strong>\uff1a\u5e26\u5bbd\/\u5cf0\u503c\u66f4\u53ef\u63a7\uff0c\u4f46\u590d\u6742\u753b\u9762\u66f4\u5bb9\u6613\u727a\u7272\u753b\u8d28<br \/>\n&#8211; <strong>CRF<\/strong>\uff1a\u8d28\u91cf\u66f4\u4e00\u81f4\uff0c\u4f46\u7801\u7387\/\u5927\u5c0f\u4e0d\u53ef\u9884\u6d4b<br \/>\n&#8211; <strong>\u9009\u62e9\u5efa\u8bae<\/strong>\uff1a<br \/>\n  &#8211; \u76f4\u64ad\/\u7f51\u7edc\u53d7\u9650\u4f20\u8f93\uff1a\u4f18\u5148 CBR-like\uff08\u6216 capped CRF + VBV\uff09<br \/>\n  &#8211; \u79bb\u7ebf\u8f6c\u7801\/\u5b58\u6863\uff1a\u4f18\u5148 CRF<\/p>\n<p><strong>VBR vs CRF<\/strong><br \/>\n&#8211; <strong>VBR<\/strong>\uff1a\u53ea\u662f\u201c\u7801\u7387\u53ef\u53d8\u201d\u7684\u63cf\u8ff0\uff1b\u5982\u679c\u4f60\u6307\u7684\u662f\u201c\u4e24\u904d VBR\u201d\uff0c\u5b83\u66f4\u9002\u5408\u505a\u5927\u5c0f\/\u5e73\u5747\u7801\u7387\u63a7\u5236\u3002<br \/>\n&#8211; <strong>CRF<\/strong>\uff1a\u8d28\u91cf\u9a71\u52a8\u7684 VBR\uff08\u7801\u7387\u53ef\u53d8\uff09\uff0c\u66f4\u9002\u5408\u505a\u8d28\u91cf\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>ABR\uff08\u5e73\u5747\u7801\u7387\uff09vs CRF<\/strong><br \/>\n&#8211; <strong>ABR\uff08\u5355\u904d\uff09<\/strong>\uff1a\u66f4\u504f\u201c\u63a5\u8fd1\u76ee\u6807\u5e73\u5747\u7801\u7387\/\u5927\u5c0f\u201d\uff0c\u4f46\u7cbe\u5ea6\u6709\u9650\uff1b\u60f3\u66f4\u51c6\u7528\u4e24\u904d<br \/>\n&#8211; <strong>CRF<\/strong>\uff1a\u8d28\u91cf\u4f18\u5148\uff0c\u5927\u5c0f\u4e0d\u53ef\u9884\u6d4b<\/p>\n<p><strong>\u81ea\u9002\u5e94\u7801\u7387\u6d41\u5a92\u4f53 vs CRF<\/strong><br \/>\n&#8211; <strong>\u81ea\u9002\u5e94\u7801\u7387\u6d41\u5a92\u4f53<\/strong>\uff1a\u591a\u6863\u4f4d + \u64ad\u653e\u5668\u81ea\u9002\u5e94\uff08\u4f20\u8f93\/\u5c01\u88c5\u65b9\u6848\uff09<br \/>\n&#8211; <strong>CRF<\/strong>\uff1a\u5355\u6863\u4f4d\u7f16\u7801\u7b56\u7565\u4e4b\u4e00\uff08\u4e5f\u53ef\u7528\u4e8e\u6bcf\u4e2a\u6863\u4f4d\u7684\u7f16\u7801\uff09<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E5%AE%9E%E9%99%85%E5%BA%94%E7%94%A8%E5%BB%BA%E8%AE%AE\"><\/span>\u5b9e\u9645\u5e94\u7528\u5efa\u8bae<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>\n<p><strong>\u76f4\u64ad\u573a\u666f\uff08\u5e26\u5bbd\u53ef\u63a7\uff09<\/strong>\uff1a\u4f7f\u7528 CBR-like\uff08VBV \u7ea6\u675f\uff09<br \/>\n   <code>bash<br \/>\n   ffmpeg -i input -c:v libx264 -b:v 2M -maxrate 2M -bufsize 4M -preset veryfast output<\/code><\/p>\n<\/li>\n<li>\n<p><strong>\u70b9\u64ad\u8f6c\u7801\uff08\u8d28\u91cf\u4f18\u5148\uff09<\/strong>\uff1a\u4f7f\u7528 CRF\uff08\u63a8\u8350\uff09<br \/>\n   <code>bash<br \/>\n   ffmpeg -i input -c:v libx264 -crf 23 -preset slow output<\/code><\/p>\n<\/li>\n<li>\n<p><strong>\u5b58\u50a8\/\u4f20\u8f93\u4e0a\u9650\uff08\u8d28\u91cf\u4f18\u5148\u4f46\u9650\u5cf0\u503c\uff09<\/strong>\uff1a\u4f7f\u7528 capped CRF\uff08CRF + VBV\uff09<br \/>\n   <code>bash<br \/>\n   ffmpeg -i input -c:v libx264 -crf 23 -maxrate 3M -bufsize 6M output<\/code><\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u9002\u5e94\u6d41\u5a92\u4f53<\/strong>\uff1a\u4f7f\u7528 HLS\/DASH \u591a\u6863\u4f4d\uff08\u6bcf\u6863\u4f4d\u8bbe\u7f6e\u5206\u8fa8\u7387\u4e0e VBV \u4e0a\u9650\uff09<br \/>\n   <code>bash<br \/>\n   # \u751f\u6210\u591a\u4e2a\u7801\u7387\/\u5206\u8fa8\u7387\u7248\u672c\uff0c\u6216\u76f4\u63a5\u8f93\u51fa HLS\/DASH<br \/>\n   # \u8fd9\u662f\u201c\u4f20\u8f93\/\u5c01\u88c5\u65b9\u6848\u201d\uff0c\u4e0d\u662f\u5355\u4e00\u7684\u7f16\u7801\u7801\u63a7\u6a21\u5f0f<\/code><\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>CRF\u3001ABR\u3001VBR \u6838\u5fc3\u533a\u522b\uff08\u901a\u4fd7\u7406\u89e3\uff09 \u5728 H.264 \u89c6\u9891\u7f16\u7801\uff08\u901a\u5e38\u6307\u4f7f\u7528 x264 \u7f16\u7801\u5668\uff09\u4e2d\uff0cCR [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"blocksy_meta":[],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"post_excerpt_stackable":"<p>\u76ee\u5f55 Toggle CRF\u3001ABR\u3001VBR \u6838\u5fc3\u533a\u522b\uff08\u901a\u4fd7\u7406\u89e3\uff091. CRF (Constant Rate Factor) \u2014\u2014 \u6052\u5b9a\u8d28\u91cf\u56e0\u5b502. ABR (Average Bitrate) \u2014\u2014 \u5e73&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/finance.ixriver.com\/?cat=28\" rel=\"category\">\u89c6\u9891<\/a>","author_info":{"name":"admin","url":"https:\/\/finance.ixriver.com\/?author=1"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/788"}],"collection":[{"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=788"}],"version-history":[{"count":0,"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/788\/revisions"}],"wp:attachment":[{"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/finance.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}