


{"id":2605,"date":"2023-03-25T17:32:03","date_gmt":"2023-03-25T09:32:03","guid":{"rendered":"https:\/\/www.modou.tv\/?p=2605"},"modified":"2023-03-25T17:33:28","modified_gmt":"2023-03-25T09:33:28","slug":"2605","status":"publish","type":"post","link":"https:\/\/test.modou.tv\/?p=2605","title":{"rendered":"OBS\u63a8\u6d41|\u5f55\u50cf|\u7f16\u7801\u5668\u8be6\u89e3"},"content":{"rendered":"<p>\u4e00\u3001\u7f16\u7801\u5668\uff1a<\/p>\n<p>1\u3001x264 \u3010CPU\u3011<\/p>\n<p>\u4f7f\u7528CPU\u8fdb\u884c\u7f16\u7801\uff0c\u5360\u7528CPU\u8d44\u6e90\u591a\uff0c\u4f46\u7f16\u7801\u51fa\u6765\u89c6\u9891\u8d28\u91cf\u66f4\u597d\u3002<\/p>\n<p>2\u3001intel Quick Sync \u3010\u82f1\u7279\u5c14\u96c6\u6210\u663e\u5361\u3011<\/p>\n<p>\u5373\u91c7\u7528\u82f1\u7279\u5c14\u7684\u96c6\u6210\u663e\u5361\u8fdb\u884cH.264\u7684\u201c\u786c\u201d\u7f16\u7801\u3002\u82f1\u7279\u5c14\u663e\u5361\u7f16\u7801\u51fa\u6765\u7684\u8d28\u91cf\u4ecb\u4e8eCPU\u7f16\u7801\u548cNVENC\u7f16\u7801\u4e4b\u95f4\u3002<\/p>\n<p>3\u3001NVIDIA NVENC H.264\uff08New\uff09\u3010\u82f1\u4f1f\u8fbe\u663e\u5361\u3011<\/p>\n<p>\u57fa\u4e8eGPU\u7f16\u7801\uff0c\u7f16\u7801\u7684\u8ba1\u7b97\u8d1f\u8f7d\u7531NV\u663e\u5361\u7684GPU\u627f\u62c5\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u4e86CPU\u7684\u538b\u529b\u3002NV\u663e\u5361\u7f16\u7801\u7684\u7f3a\u9677\u662f\u5728\u76f8\u540c\u7684h.264\u7f16\u7801\u53c2\u6570\u8bbe\u7f6e\u4e0b\uff0c\u5176\u7f16\u7801\u540e\u89c6\u9891\u7684\u8d28\u91cf\u6bd4x264\u8981\u6b21\uff0c\u7279\u522b\u662f\u5728\u5927\u91cf\u8fd0\u52a8\u753b\u9762\u548c\u8f6c\u573a\u753b\u9762\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u66f4\u4e3a\u660e\u663e\u3002<\/p>\n<p>\u5bf9\u4e8e\u6709\u7684\u7535\u8111\u6765\u8bf4\uff0c\u867d\u7136\u914d\u6709NV\u7684\u72ec\u7acb\u663e\u5361\uff0c\u4f46\u5728\u4e3b\u677fBios\u4e0a\u6ca1\u6709\u6fc0\u6d3b\u8be5\u663e\u5361\uff0c\u800c\u662f\u4f7f\u7528\u7684\u96c6\u6210\u663e\u5361\uff0c\u56e0\u6b64\u5728\u201c\u7f16\u7801\u5668\u201d\u4e2d\u4e0d\u4f1a\u6709\u201cNVENC H.264\u201d\u7684\u9009\u9879\u3002<\/p>\n<p>4\u3001AMD \uff08Advanced Media Framework)AMF\/VCE \u3010AMD\u663e\u5361\u3011<\/p>\n<p>\u91c7\u7528AMD\u7684\u663e\u5361\u8fdb\u884c\u7f16\u7801\u3002\u5728\u5176\u4f59\u6761\u4ef6\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u6839\u636e\u7b2c\u4e09\u65b9\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5728\u8fd94\u79cd\u7f16\u7801\u4e2d\uff0cAMD\u663e\u5361\u7f16\u7801\u540e\u7684\u89c6\u9891\u8d28\u91cf\u662f\u6700\u4f4e\u7684\u3002<\/p>\n<p>5\u3001\u5176\u4f59\u4e0d\u5e38\u7528\u7f16\u7801\u5668 \u3010AOM AV1 \/ SVT &#8211; AV1\u3011\u7b49<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2607\" src=\"https:\/\/img.modou.tv\/imgs\/25093153627.png\" alt=\"\" width=\"983\" height=\"321\" \/><\/p>\n<p>AOM AV1 \/ SVT &#8211; AV1 \u9884\u8bbe \u6570\u5b57\u8d8a\u5927\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5c31\u8d8a\u5c0f\uff0c\u53ef\u4ee5\u770b\u5230OBS\u8fd9\u90e8\u5206\u7684\u4f5c\u8005\u5728\u8bf4\u660e\u7684\u65f6\u5019\u8c03\u76ae\u4e86\u4e00\u4e0b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5982\u679c AMD \u5361 NVIDIA \u5361\u7684\u7f16\u7801\u5668\u540c\u65f6\u5b58\u5728\uff0c\u4f18\u5148\u63a8\u8350\u628a\u4e0d\u73a9\u6e38\u620f\u90a3\u5f20\u5361\u62ff\u6765\u52a0\u901f\u3002<\/p>\n<p>\u5176\u6b21\u6309\u63a8\u8350\u987a\u5e8f\u662f NVIDIA\u5361\uff0c\u63a5\u7740\u662f Inter \u5361\uff0c\u7136\u540e\u662f AMD \u5361\uff0c\u6700\u540e\u624d\u662f\u7eaf CPU\uff1b<\/p>\n<p>\u4f46\u5728\u67d0\u4e9b\u6781\u7aef\u6761\u4ef6\u4e0b\uff1a\u4e0a\u4f20\u5f88\u6162\uff08\u53ea\u67091\u52302Mb\uff09\uff0c\u4f46\u662f CPU \u975e\u5e38\u5f3a\u7684\u8bdd\uff0c\u4f18\u5148\u7eaf CPU \u6765\u7f16\u7801\uff0c\u56e0\u4e3a 10Mb\u4ee5\u5185\u7684\u8fd9\u79cd\u4f4e\u7801\u7387\uff0c\u76f8\u540c\u753b\u8d28\u7eafCPU\u89c6\u9891\u7801\u7387\u4f1a\u8fdc\u8fdc\u5c0f\u4e8e\u663e\u5361\u52a0\u901f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5185\u5bb9\u6765\u6e90\u4e8e\u4e0b\u65b9OBS\u4f18\u5316\u914d\u7f6e \u6574\u7406\u3002<\/p>\n<p>\u4e8c\u3001\u7801\u7387\u63a7\u5236\u5668 \u6bd4\u7279\u7387 == \u7801\u7387<\/p>\n<p>\u6d4b\u901f\u7f51\u7ad9\uff1a<a href=\"https:\/\/www.speedtest.net\/\">https:\/\/www.speedtest.net\/<\/a><\/p>\n<p>\u6d4b\u901f\u7f51\u7ad9\uff1a<a href=\"https:\/\/www.speedtest.net\/\">https:\/\/www.speedtest.cn\/<\/a><\/p>\n<p>\u7f51\u7edc\u6d4b\u901f\u8f6c\u6362\uff1ahttps:\/\/purecalculators.com\/zh-CN\/convert-kbps-to-mbps<\/p>\n<p>\u7801\u7387\u8d8a\u9ad8\uff0c\u753b\u8d28\u8d8a\u6e05\u6670\uff0c\u5bf9\u4e0a\u4f20\u901f\u5ea6\u9700\u6c42\u4e5f\u5c31\u8d8a\u5927\uff0c\u76f8\u5bf9\uff0c\u89c2\u4f17\u4e0b\u8f7d\u901f\u5ea6\u4e5f\u8981\u8fbe\u6807\u3002<\/p>\n<p>\u4e0a\u4f20\u4e0d\u8fbe\u6807\uff0c\u4f20\u4e0d\u52a8\uff0c\u89c2\u4f17\u5361\u987f\u7b49\u4f60\u4f20\u5b8c\u64ad\u653e\uff0c\u4e0a\u4f20\u8fbe\u6807\uff0c\u89c2\u4f17\u4e0b\u8f7d\u4e0d\u8fbe\u6807\uff0c\u5361\u987f\u4e0b\u8f7d\u5b8c\u64ad\u653e\u3002<\/p>\n<p>CBR = \u56fa\u5b9a\u7801\u7387\uff1a\u6839\u636e\u8bbe\u5b9a\u7684\u7801\u7387\u76f8\u5bf9\u6ce2\u52a8\uff0c\u6ce2\u52a8\u5e45\u5ea6\u5f88\u5c0f\uff0c\u7801\u7387\u4f18\u5148\uff0c\u8d28\u91cf\u7b2c\u4e8c\u3002<\/p>\n<p>VBR = \u52a8\u6001\u7801\u7387\uff1a\u56fa\u5b9a\u8bbe\u5b9a\u7684\u7801\u7387\u4e0a\u4e0b\u6ce2\u52a8\uff0c\u6ce2\u52a8\u5e45\u5ea6\u8f83\u5927\uff0c\u6309\u7167\u5b9e\u65f6\u4e0a\u4f20\u901f\u5ea6\u8fdb\u884c\u63a8\u6d41\u3002<\/p>\n<p>ABR = \u5e73\u5747\u7801\u7387\uff1a\u53ef\u4ee5\u770b\u6210\u662f\u6743\u8861CBR\u548cVBR\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u8be5\u6a21\u5f0f\u4e5f\u662f\u4ee5\u8d28\u91cf\u4e3a\u76ee\u6807\uff0c\u548cVBR\u76f8\u6bd4\uff0c\u66f4\u52a0\u6e29\u548c\u4e00\u70b9\uff0c\u5b9e\u9645\u7801\u7387\u6ce2\u52a8\u4e0d\u4f1a\u90a3\u4e48\u5927\uff0c\u4f46\u53ef\u80fd\u5c31\u4f1a\u727a\u7272\u4e00\u70b9\u70b9\u7684\u8d28\u91cf\u4e3a\u4ee3\u4ef7\u3002<\/p>\n<p>CQP = \u6052\u5b9aQP\uff1a\u77ac\u65f6\u7801\u7387\u4f1a\u968f\u573a\u666f\u590d\u6742\u5ea6\u6ce2\u52a8\u3002x264\u548cx265\u4e2d\u652f\u6301CQP\u6a21\u5f0f\uff0clibvpx\u4e0d\u652f\u6301\u3002<\/p>\n<p>H.264\u4e2dQP\u8303\u56f4\u662f[0, 51]\u3002QP\u503c\u8d8a\u5927\u8868\u793a\u8d8a\u5927\u7684\u91cf\u5316\u6b65\u957f\uff0c\u7f16\u7801\u89c6\u9891\u7684\u8d28\u91cf\u8d8a\u4f4e\u3002QP\u4e3a0\u8868\u793a\u8fdb\u884c\u65e0\u635f\u7f16\u7801\uff0c\u610f\u601d\u5c31\u662f\uff0c0~51\uff0c\u6570\u5b57\u8d8a\u5927\uff0c\u753b\u8d28\u8d8a\u4f4e\uff0c0\u5c31\u662f\u65e0\u635f\u539f\u753b\u8d28\u3002<\/p>\n<p>\u4e0d\u63a8\u8350\u4f7f\u7528\u8fd9\u4e2a\u6a21\u5f0f\uff0c\u9664\u975e\u4f60\u660e\u786e\u77e5\u9053\u8fd9\u4e2a\u6a21\u5f0f\u7684\u539f\u7406\u800c\u6709\u7279\u5b9a\u7684\u7528\u9014\u3002<\/p>\n<p>CRF = \u56fa\u5b9a\u8d28\u91cf\u6a21\u5f0f\uff1a\u8be5\u6a21\u5f0f\u4e0b\u7801\u7387\u7531CRF\u8d28\u91cf\u503c\u6765\u8fdb\u884c\u63a7\u5236\uff0cCRF\u53d6\u503c\u8303\u56f4\u57281~51\u4e4b\u95f4\uff0cH264\u7f16\u7801\u7684\u9ed8\u8ba4CRF\u503c\u4e3a23\uff0c\u53d6\u503c\u8d8a\u4f4e\uff0c\u7f16\u7801\u8d28\u91cf\u8d8a\u597d\uff0c\u540c\u65f6\u5bf9CPU\u6216\u8005GPU\u7684\u538b\u529b\u5c31\u8d8a\u5927\u3002<\/p>\n<p>\u65e0\u635f\uff1a\u7535\u8111\u6027\u80fd\u548c\u7f51\u901f\u5f3a\u608d\u7684\u4e0a\uff01<\/p>\n<p>\u5176\u4ed6\u4e0d\u505a\u8bf4\u660e\uff0c\u56e0\u4e3a\u4e0d\u5e38\u7528\u3002<\/p>\n<p>\u6839\u636e\u56fe\u50cf\u5185\u5bb9\u7684\u590d\u6742\u7a0b\u5ea6\u6765\u5206\u914d\u4e0d\u540c\u7684\u7801\u7387\u4ee5\u786e\u4fdd\u753b\u9762\u7684\u8d28\u91cf\u3002\u5728\u56fe\u50cf\u5341\u5206\u590d\u6742\uff0c\u753b\u9762\u8fd0\u52a8\u5267\u70c8\u7684\u60c5\u51b5\u4e0b\uff0c\u5176\u7801\u7387\u5c31\u4f1a\u6709\u5927\u5e45\u7684\u63d0\u9ad8\uff0c\u800c\u5728\u753b\u9762\u7b80\u5355\u4ee5\u53ca\u8fd0\u52a8\u5c0f\u6216\u8005\u51e0\u4e4e\u6ca1\u6709\u8fd0\u52a8\u7684\u60c5\u51b5\u4e0b\uff0c\u7801\u7387\u4f1a\u5f88\u4f4e\u3002<\/p>\n<p>\u4e09\u3001\u5173\u952e\u5e27\u95f4\u9694<\/p>\n<p>\u5173\u952e\u5e27\u95f4\u9694\u8d8a\u5927\uff0c\u4e5f\u5c31\u662fGOP\u8d8a\u957f\uff0c\u6570\u636e\u538b\u7f29\u8d8a\u5927\uff0c\u5b9e\u9645\u7801\u7387\u5c31\u4f1a\u8d8a\u4f4e\u3002\u4f46GOP\u592a\u5927\u4f1a\u5bfc\u81f4\u753b\u8d28\u53d8\u5dee\uff0c\u7279\u522b\u662f\u5728\u8fd0\u52a8\u753b\u9762\u4e2d\u6700\u4e3a\u660e\u663e\u3002\u6240\u4ee5\u6211\u4eec\u4e0d\u5efa\u8baeGOP\u8bbe\u7f6e\u592a\u957f\uff0c\u4ee5\u786e\u4fdd\u753b\u9762\u8d28\u91cf\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8bbe\u7f6e\u4e3a0\uff0c\u5373\u7cfb\u7edf\u81ea\u52a8\u8bbe\u5b9a\u3002\u5982\u679c\u81ea\u5df1\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u8003\u8651\u5728\u534a\u79d2\u52302\u79d2\u4e4b\u95f4\u3002<\/p>\n<p>\u56db\u3001CPU\u4f7f\u7528\u9884\u8bbe\uff08Present\uff09<\/p>\n<p>\u5206\u4e8610\u7ea7\uff0c\u5373\u4ece\u6700\u4e0b\u9762\u7684placebo\u5230\u6700\u4e0a\u9762\u7684ultrafast\u3002\u7ea7\u522b\u8d8a\u9760\u4e0a\uff0cCPU\u5904\u7406\u7684\u6570\u636e\u91cf\u8d8a\u5c0f\uff0c\u7f16\u7801\u65f6\u5bf9CPU\u7684\u5904\u7406\u80fd\u529b\u8981\u6c42\u8d8a\u4f4e\uff0c\u4f46\u753b\u8d28\u4f1a\u8d8a\u6765\u8d8a\u5dee\u3002\u8be5\u53c2\u6570\u5bf9CPU\u7684\u5f71\u54cd\u975e\u5e38\u5927\uff0c\u5373\u4f7f\u662f\u4ecefaster\u5230fast\u4e00\u4e2a\u7ea7\u522b\u7684\u53d8\u5316\uff0cCPU\u7684\u8fd0\u884c\u91cf\u53ef\u80fd\u5c31\u4f1a\u7ffb\u500d\u3002\u4e00\u822c\u53ef\u4ee5\u9009\u62e9\u5728fast~veryfast\u7ea7\u522b\u4e4b\u95f4\uff0c\u5e73\u8861\u753b\u8d28\u4e0eCPU\u7684\u8d1f\u8f7d\u3002<\/p>\n<p>\u89c6\u9891\u7f16\u7801\u5668 x264 \u6709\u8bb8\u591a\u201c\u9884\u8bbe\u201d\uff0c\u5b83\u4eec\u4f1a\u76f8\u5e94\u5730\u6539\u53d8\u60a8\u7684\u89c6\u9891\u8d28\u91cf\u548c CPU \u4f7f\u7528\u7387\u3002OBS \u9ed8\u8ba4\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u8fd9\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u662f CPU \u4f7f\u7528\u7387\u548c\u89c6\u9891\u8d28\u91cf\u4e4b\u95f4\u7684\u6700\u4f73\u5e73\u8861\u3002\u53ef\u4ee5\u5728\u8bbe\u7f6e &gt; \u8f93\u51fa\u4e2d\u66f4\u6539\u6b64\u8bbe\u7f6e\uff08\u5982\u679c\u60a8\u5904\u4e8e\u7b80\u5355\u6a21\u5f0f\uff0c\u8bf7\u68c0\u67e5\u542f\u7528\u9ad8\u7ea7\u7f16\u7801\u5668\u8bbe\u7f6e\uff09&gt; \u7f16\u7801\u5668\u9884\u8bbe\u3002<\/p>\n<p>\u9884\u8bbe\u7684\u540d\u79f0\u65e8\u5728\u6307\u793a\u7f16\u7801\u5668\u5e94\u8be5\u8fd0\u884c\u591a\u201c\u5feb\u201d\u3002\u66f4\u5feb\u7684\u9884\u8bbe\u5c06\u4ee5\u8d28\u91cf\u8ba1\u7b97\u4e3a\u4ee3\u4ef7\u4f7f\u7528\u66f4\u5c11\u7684 CPU\u3002\u8f83\u6162\u7684\u9884\u8bbe\u5c06\u4f7f\u7528\u66f4\u591a\u7684\u8ba1\u7b97\u6765\u63d0\u9ad8\u8d28\u91cf\uff0c\u4f46\u4f1a\u4f7f\u7528\u66f4\u591a\u7684 CPU\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5728\u4e0d\u4fee\u6539\u5206\u8fa8\u7387\u6216 FPS \u7684\u60c5\u51b5\u4e0b\u5c1d\u8bd5\u964d\u4f4e CPU \u4f7f\u7528\u7387\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06 x264 \u9884\u8bbe\u66f4\u6539\u4e3a superfast \u6216 ultrafast \u6765\u964d\u4f4e CPU \u4f7f\u7528\u7387\uff0cx264 \u5c06\u82b1\u8d39\u66f4\u5c11\u7684\u65f6\u95f4\u6765\u5c1d\u8bd5\u4f7f\u56fe\u50cf\u770b\u8d77\u6765\u4e0d\u9519\uff0c\u5e76\u4f1a\u4e3a\u60a8\u8282\u7701\u4e00\u4e9b CPU \u5468\u671f\u3002\u56fe\u50cf\u53ef\u80fd\u770b\u8d77\u6765\u6709\u70b9\u5757\u72b6\u6216\u50cf\u7d20\u5316\uff0c\u4f46\u60a8\u5c06\u80fd\u591f\u4fdd\u7559\u60a8\u7684\u5206\u8fa8\u7387\/fps\u3002<\/p>\n<p>\u4f7f\u7528\u6b64\u8bbe\u7f6e\u8981\u975e\u5e38\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5373\u4f7f\u5feb\u4e00\u6b65\u6216\u6162\u4e00\u6b65\u4e5f\u4f1a\u5bf9 CPU 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