{"id":387989,"date":"2019-06-26T08:48:47","date_gmt":"2019-06-26T15:48:47","guid":{"rendered":"https:\/\/blog.webex.com\/uncategorized-zh-hant\/cisco-leap-%e4%bd%bf%e7%94%a8%e5%8d%b3%e6%99%82-av1-%e7%b7%a8%e8%a7%a3%e7%a2%bc%e5%99%a8%e6%8f%90%e4%be%9b-h-264-video-collaboration\/"},"modified":"2019-06-26T08:48:47","modified_gmt":"2019-06-26T15:48:47","slug":"cisco-leap-%e4%bd%bf%e7%94%a8%e5%8d%b3%e6%99%82-av1-%e7%b7%a8%e8%a7%a3%e7%a2%bc%e5%99%a8%e6%8f%90%e4%be%9b-h-264-video-collaboration","status":"publish","type":"post","link":"https:\/\/blog.webex.com\/zh-hant\/%e5%8d%94%e5%90%8c%e5%90%88%e4%bd%9c\/%e8%a6%96%e8%a8%8a%e6%9c%83%e8%ad%b0\/cisco-leap-%e4%bd%bf%e7%94%a8%e5%8d%b3%e6%99%82-av1-%e7%b7%a8%e8%a7%a3%e7%a2%bc%e5%99%a8%e6%8f%90%e4%be%9b-h-264-video-collaboration\/","title":{"rendered":"Cisco Leap \u4f7f\u7528\u5373\u6642 AV1 \u7de8\u89e3\u78bc\u5668\u63d0\u4f9b H.264 Video Collaboration"},"content":{"rendered":"<h2>\u4f7f\u7528\u5373\u6642 AV1 \u7de8\u89e3\u78bc\u5668\u9032\u884c\u8996\u97f3\u5354\u4f5c<\/h2>\n<p>\u4eca\u5929\uff0c\u5728\u7d10\u7d04\u7684\u5927 Apple Video Conference \u4e0a\uff0cCisco \u5ba3\u4f48\u63a8\u51fa\u5c08\u70ba\u8996\u97f3\u8a0a\u5354\u4f5c\u512a\u5316\u5373\u6642\u7684\u9ad8\u54c1\u8cea AV1 <a href=\"https:\/\/www.webex.com\/video-conferencing\" target=\"_blank\" rel=\"noopener\"><\/a>\u7de8\u78bc\u5668\uff0c\u8a72\u7de8\u78bc\u5668\u53ef\u964d\u4f4e\u983b\u5bec\u3001\u555f\u7528\u65b0\u4e00\u4ee3\u5167\u5bb9\u4e26\u907f\u514d\u5df2\u56f0\u64fe HEVC H.265 \u90e8\u7f72\u7684\u5c08\u5229\u554f\u984c\u3002<\/p>\n<p>\u904e\u53bb 16 \u5e74\u4e2d\u5df2\u767c\u751f\u8a31\u591a\u8b8a\u66f4\u3002 \u6211\u5011\u5177\u6709\u81ea\u96c4\u5f0f\u5ee3\u544a\u3001\u667a\u6167\u578b\u624b\u6a5f\u3001\u793e\u4ea4\u5a92\u9ad4\u548c\u865b\u64ec\u5be6\u5883\uff0c\u4f46\u4ecd\u4f9d\u8cf4\u4e8e H.264 \u9032\u884c\u8996\u8996\u58d3\u7e2e\uff0c \u9019\u662f\u4e00\u7a2e 2003 \u5e74\u5f15\u5165\u7684\u6280\u8853\uff0c\u73fe\u5728\u5b83\u6b63\u5728\u51fa\u73fe\u3002\u00a0\u907a\u61be\u7684\u662f\uff0c\u6b63\u5982 Jonathan\u00b7\u585e<a href=\"HTTPs:\/\/blogs.cisco.com\/collaboration\/world-meet-thor-a-project-to-hammer-out-a-royalty-free-video-codec\"><\/a>  <a href=\"HTTPs:\/\/blogs.cisco.com\/collaboration\/av1-video-codec\"><\/a>\u74e6\u591a\uff08\u9019\u88e1\u548c\u9019\u88e1\uff09\u6240\u8a73\u8ff0\uff0c\u4f7f\u7528 HEVC\uff08\u53c8\u540d H.265\uff09\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u6642\uff0c\u5176\u5c08\u5229\u6210\u672c\u3001\u98a8\u96aa\u53ca\u6311\u6230\u4ee4\u4eba\u7121\u6cd5\u63a5\u53d7\u3002<\/p>\n<p>AV1 <a href=\"HTTPs:\/\/aomedia.org\">\u662f\u958b\u653e\u5a92\u9ad4\u806f\u76df \uff08AOM\uff09<\/a>\u7684\u7522\u54c1\uff0c\u5b83\u7531 Google\u3001Mozilla\u3001Cisco\u3001Microsoft\u3001Netflix\u3001Amazon \u548c Intel \u4e8e 2015 \u5e74\u5efa\u7acb\uff0c\u73fe\u5728\u5b83\u5305\u542b\u4e86\u9818\u5148\u6280\u8853\u516c\u53f8\u7684\u5de8\u5927\u7684\u806f\u76df\u3002\u00a0\u5728 AV1 \u958b\u767c\u671f\u9593\uff0c\u4ee5\u53ca\u70ba\u7de8\u78bc\u6280\u8853\u51fa\u529b\uff0cCisco \u8207 AOM \u5408\u4f5c\u5925\u4f34\u4e00\u8d77\u52aa\u529b\u78ba\u4fdd AV1 \u652f\u63f4\u672a\u4f86\u5354\u4f5c\u61c9\u7528\u7a0b\u5f0f\u6240\u9700\u7684\u529f\u80fd\uff0c\u5c24\u5176\u662f\u4f4e\u5ef6\u9072\u3001\u5373\u6642\u548c\u932f\u8aa4\u6062\u5fa9\u3002<\/p>\n<blockquote><p>AV1 \u89e3\u6c7a\u4e86\u5354\u4f5c\u4e2d\u8d8a\u4f86\u8d8a\u589e\u5927\u7684\u554f\u984c\uff1a \u5c0d\u9ad8\u54c1\u8cea\u670d\u52d9\u548c\u65b0\u670d\u52d9\u7684\u9700\u6c42\u5f9e\u672a\u5982\u6b64\u589e\u9577\uff0c\u800c\u7db2\u8def\u5c07\u66f4\u591a\u5730\u8f09\u5165\u3002<\/p><\/blockquote>\n<p>\u00a0<\/p>\n<h2>\u65b0\u4e00\u4ee3\u8996\u97f3\u8a0a\u58d3\u7e2e\u6280\u8853<\/h2>\n<p>\u63a1\u7528\u65b0\u7684\u7de8\u89e3\u78bc\u5668\u4f86\u53d6\u4ee3\u7de8\u89e3\u78bc\u5668 H.264 \u5c0d\u65bc\u7ba1\u7406\u6b64\u9700\u6c42\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>AV1 \u4e0d\u53ea\u662f\u53d6\u4ee3 HEVC\uff0c\u9084\u89e3\u6c7a\u4e86\u5354\u4f5c\u4e2d\u8d8a\u4f86\u8d8a\u589e\u5927\u7684\u554f\u984c\uff1a \u5c0d\u9ad8\u54c1\u8cea\u670d\u52d9\u548c\u65b0\u670d\u52d9\u7684\u9700\u6c42\u5f9e\u672a\u5982\u6b64\u589e\u9577\uff0c\u800c\u7db2\u8def\u5c07\u66f4\u591a\u5730\u8f09\u5165\u3002 \u63a1\u7528\u65b0\u7684\u7de8\u89e3\u78bc\u5668\u4f86\u53d6\u4ee3\u4f7f\u7528\u4e2d\u7684 H.264 \u5c0d\u65bc\u7ba1\u7406\u6b64\u9700\u6c42\u81f3\u95dc\u91cd\u8981\u3002 AV1 \u5177\u6709\u975e\u5e38\u8c50\u5bcc\u7684\u5de5\u5177\u96c6\uff0c\u53ef\u63d0\u4f9b\u73fe\u4ee3\u58d3\u7e2e\u7387\u3002 AOM \u8edf\u9ad4\u7684\u8907\u96dc\u6027\u5c0e\u81f4\u64d4\u5fc3 AV1 \u904e\u6162\uff0c\u96e3\u4ee5\u5be6\u7528\u3002 \u81ea\u6b64\u4e4b\u5f8c\uff0cAV1 \u5be6\u505a\u7684\u901f\u5ea6\u5927\u5e45\u63d0\u9ad8\uff0c\u4f46\u662f\u6c92\u6709\u4e00\u500b\u80fd\u5920\u5373\u6642\u4f7f\u7528 AV1 \u9032\u884c\u5373\u6642\u7de8\u78bc\uff1f<\/p>\n<p>\u4eca\u5929\uff0c\u6211\u5011\u5728\u5927 Apple \u8996\u8a0a\u6703\u8b70\u4e2d\u7684\u8ac7\u8a71\u5df2\u8b49\u660e\u9019\u4e00\u9ede\u3002 \u6211\u7684\u540c\u4e8b\u5c0flin Shen \u548c\u6211\u5728 Webex \u8996\u8a0a\u6703\u8b70\u4e2d\u5c55\u793a\u5373\u6642\u3001\u5373\u6642 AV1 \u7de8\u78bc\u548c\u50b3\u8f38\uff0cHD \u8996\u50cf\u901f\u7387\u70ba 720p30\uff0c\u9ad8\u756b\u9762\u64ad\u653e\u901f\u7387\u684c\u9762\u5171\u7528\u901f\u7387\u70ba 1080p30\u3002 \u00a0\u5168\u7403\u7b2c\u4e00\uff01 \u60a8\u53ef\u4ee5\u5728\u9019\u88e1\u67e5\u770b\u901a\u8a71\u3002\u00a0\u5be6\u73fe\u5305\u62ec\u5b8c\u6574\u7684\u96f2\u7aef\u5a92\u9ad4\u5806\u758a\uff0c\u5728\u7db2\u969b\u7db2\u8def\u4e0a\u90e8\u7f72\u5df2\u555f\u7528 AV1 \u7684\u4ea4\u63db\u4f3a\u670d\u5668\uff0c\u5177\u6709\u5b8c\u6574\u7684\u7aef\u5c0d\u7aef\u901a\u8a71\u8a0a\u865f\u548c\u5f48\u6027\u5a92\u9ad4\u50b3\u8f38\u3002<\/p>\n<p>\u4ee5\u9019\u4e9b\u901f\u5ea6\u57f7\u884c\u7de8\u78bc\u5668\u6703\u5c0e\u81f4\u4e00\u4e9b\u640d\u8017\u3002 \u5373\u6642\u7de8\u78bc\u662f\u4e00\u500b\u4ea4\u6613\u4e8b\u9805\uff1a \u8207\u8907\u96dc\u6027\u76f8\u95dc\u7684\u58d3\u7e2e\u80fd\u529b\uff0c\u5728 CPU \u4f7f\u7528\u7387\u548c\u901f\u5ea6\u4e0a\u8655\u65bc\u5be6\u969b\u5c64\u7d1a\u3002 \u56e0\u6b64\uff0c\u53e6\u4e00\u500b\u554f\u984c\u5c31\u662f Cisco AV1 \u5728\u5982\u6b64\u5feb\u7684\u901f\u5ea6\u4e0b\u662f\u5426\u53ef\u7522\u751f\u660e\u986f\u7684\u58d3\u7e2e\u589e\u76ca\u3002<\/p>\n<p>\u540c\u6a23\uff0c\u7b54\u6848\u5c31\u662f\u662f\u3002 \u5728\u6211\u5011\u7684\u6f14\u793a\u4e2d\uff0c\u6211\u5011\u4e0d\u50c5\u4ee5 H.264 \u983b\u5bec\u7684\u4e00\u534a\u4f86\u7de8\u78bc\u5373\u6642\u7684 720p30 \u651d\u5f71\u6a5f\u8996\u8996\uff0c\u9084\u4f7f\u7528 H.264 \u7de8\u78bc 720p30 \u7684\u4f4d\u5143\u901f\u7387\u7684 2\/3 \u4f86\u7de8\u78bc 1080p30 \u7684\u9ad8\u756b\u9762\u901f\u7387\u5171\u7528\uff0c\u6240\u6709\u5f71\u50cf\u90fd\u7de8\u78bc\u5728\u5c0f\u5c3a\u5bf8\u7684\u7b46\u8a18\u672c\u96fb\u8166\u4e0a\u3002<\/p>\n<p>\u9019\u8868\u793a\uff0c\u6211\u5011\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u54c1\u8cea\uff0c\u540c\u6642\u7bc0\u7701\u4f4d\uff0c\u6240\u6709\u9019\u4e00\u5207\u90fd\u5177\u6709\u975e\u5e38\u53ef\u7528\u7684 CPU \u4f54\u7528\u7a7a\u9593\u3002 \u6211\u5011\u767c\u73fe AV1 <em><\/em> \u7684\u5be6\u969b\u58d3\u7e2e\/\u901f\u5ea6\u4ea4\u6613\u5be6\u969b\u4e0a\u975e\u5e38\u51fa\u8272\uff0c\u4e14\u9ad8\u65bc HEVC\u3002<\/p>\n<p>AV1 \u7684\u4e00\u500b\u5bf6\u8cb4\u529f\u80fd\u662f\u6bcf\u500b\u8f03\u5c0f\u7684\u8a2d\u5b9a\u6a94\u90fd\u652f\u63f4\u6240\u6709\u5de5\u5177\uff0c\u5305\u62ec\u53ef\u64f4\u5145\u6027\u3001\u87a2\u5e55\u5167\u5bb9\u7de8\u78bc\uff0c\u4ee5\u53ca AR \u548c\u591a\u9ede\u8996\u983b\u7de8\u78bc\u5de5\u5177\u3002 \u5728 HEVC \u548c H.264 \u4e2d\uff0c\u6b64\u985e\u5de5\u5177\u5728\u5c08\u5bb6\u8a2d\u5b9a\u6a94\u4e2d\u4e0d\u53d7\u652f\u63f4\uff0c\u63a1\u7528\u65b0\u7684\u8a2d\u5b9a\u6a94\u8207\u63a1\u7528\u5168\u65b0\u7684\u7de8\u89e3\u78bc\u5668\u5e7e\u4e4e\u4e00\u6a23\u8907\u96dc\u3002 \u540c\u6642\uff0c\u4f7f\u7528\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5f88\u5927\u5730\u63d0\u9ad8\u57f7\u884c\u6548\u679c\u3002 AV1 \u7c21\u5316\u7684\u8a2d\u5b9a\u6a94\u5c07\u4f7f\u66f4\u591a\u9032\u6b65\u7684\u529f\u80fd\u5f97\u5230\u66f4\u5ee3\u6cdb\u7684\u63a1\u7528\uff0c\u5f9e\u800c\u5728\u4e0d\u540c\u4f9b\u61c9\u5546\u7684\u5be6\u73fe\u4e2d\u5be6\u73fe\u66f4\u9ad8\u5c64\u7d1a\u7684\u4e92\u901a\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5728\u6211\u5011\u7684\u7c21\u5831\u4e2d\uff0c\u6211\u5011\u9084\u4ecb\u7d39\u4e86\u5728\u5354\u4f5c\u7cfb\u7d71\u4e2d\u90e8\u7f72\u65b0\u7684\u7de8\u89e3\u78bc\u5668\u7684\u6311\u6230\u3002 \u9019\u5c07\u9700\u8981\u6642\u9593\u548c\u7cbe\u529b\uff1a \u820a\u7cfb\u7d71\u5c07\u9577\u671f\u4f7f\u7528\uff0c\u4e14\u6703\u8b70\u57fa\u790e\u7d50\u69cb\u9700\u8981\u540c\u6642\u61c9\u7528\u8907\u96dc\u7684\u7b56\u7565\u4f86\u652f\u63f4\u6df7\u5408\u7de8\u89e3\u78bc\u5668\u4e16\u754c\u3002 Cisco \u5df2\u5145\u5206\u5229\u7528\u591a\u4e32\u6d41\u548c\u8f49\u78bc\u7684\u7d44\u5408\u5c07 AV1 \u5f15\u5165\u6211\u5011\u7684\u7522\u54c1\u7fa4\u7d44\uff0c\u4ee5\u63d0\u4f9b\u5411\u5f8c\u76f8\u5bb9\u6027\u3002 \u7136\u800c\uff0c\u7576 AV1 \u958b\u59cb\u652f\u63f4\u5354\u4f5c\u6642\uff0c\u5b83\u5c07\u958b\u59cb\u63d0\u4f9b\u66f4\u8c50\u5bcc\u66f4\u8c50\u5bcc\u7684\u9ad4\u9a57\uff0c\u5373\u4f7f\u9047\u5230\u6700\u70ba\u56f0\u96e3\u7684\u7db2\u8def\u72c0\u6cc1\u4e5f\u4e00\u6a23\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u65bc AV1 \u5728\u5354\u4f5c\u4e2d\u5efa\u7acb\u696d\u52d9\uff0cCisco \u5728\u63a8\u51fa AV1 \u65b9\u9762\u8655\u65bc\u826f\u597d\u4f4d\u7f6e\uff0c\u5373\u4f7f\u5728\u6700\u70ba\u56f0\u96e3\u7684\u7db2\u8def\u72c0\u6cc1\u4e0b\uff0c\u4e5f\u80fd\u5920\u66f4\u8c50\u5bcc\u3001\u66f4\u51fa\u8272\u5730\u9ad4\u9a57\u3002<\/p>\n","protected":false},"author":5459,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[8011,1492],"tags":[13128,8017,13130,13131,13129,11155,13127],"class_list":["post-387989","post","type-post","status-publish","format-standard","hentry","category-8011","category-1492","tag-av1-zh-hant","tag-cisco-","tag-h-264-zh-hant","tag-h-265-zh-hant","tag-13129","tag-11155","tag-13127"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cisco Leap \u4f7f\u7528\u5373\u6642 AV1 \u7de8\u89e3\u78bc\u5668\u63d0\u4f9b H.264 Video Collaboration | Webex 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