{"id":7024,"date":"2021-08-03T15:25:00","date_gmt":"2021-08-03T13:25:00","guid":{"rendered":"https:\/\/websites.fraunhofer.de\/audioblog\/?p=7024"},"modified":"2021-09-06T10:11:38","modified_gmt":"2021-09-06T08:11:38","slug":"mainconcept-xhe-aac","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/mainconcept-xhe-aac","title":{"rendered":"MainConcept \u63a8\u51fa\u5df2\u83b7\u5f97 Fraunhofer\u6388\u6743\u7684xHE-AAC FFmpeg \u7f16\u7801\u5668\u63d2\u4ef6"},"content":{"rendered":"

Fraunhofer\u9ad8\u8d28\u91cf\u7684xHE-AAC\u97f3\u9891\u7f16\u7801\u5668\u73b0\u5df2\u96c6\u6210\u5230MainConcept\u7684FFmpeg\u63d2\u4ef6\u4e2d\uff0c\u6b64\u4e3e\u53ef\u4ee5\u6ee1\u8db3\u6d88\u8d39\u8005\u4e0d\u95f4\u65ad\u5730\u4eab\u53d7\u5404\u79cd\u6d41\u5a92\u4f53\u5185\u5bb9\u7684\u9700\u6c42\u3002\u00a0<\/strong><\/p>\n

\u8fd1\u65e5\uff0cxHE-AAC \u97f3\u9891\u7f16\u89e3\u7801\u5668\u7684\u4e3b\u8981\u5f00\u53d1\u8005Fraunhofer IIS\u4e0e\u4e3a\u5236\u4f5c\u3001\u6d41\u5a92\u4f53\u548c\u5e7f\u64ad\u884c\u4e1a\u63d0\u4f9b\u97f3\u89c6\u9891\u7f16\u89e3\u7801\u5668\u3001\u63d2\u4ef6\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u9886\u5148\u4f9b\u5e94\u5546MainConcept\u5171\u540c\u5ba3\u5e03\uff0c xHE- AAC\u97f3\u9891\u7f16\u7801\u5668\u73b0\u5df2\u96c6\u6210\u5230MainConcept\u7684FFmpeg\u63d2\u4ef6\u4e2d\u3002<\/p>\n

xHE-AAC \u4f7f\u6d88\u8d39\u8005\u80fd\u591f\u4e0d\u95f4\u65ad\u5730\u4eab\u53d7\u6240\u6709\u7c7b\u578b\u7684\u6d41\u5a92\u4f53\u5185\u5bb9\uff0c\u4f8b\u5982\u7535\u5f71\u3001\u97f3\u4e50\u3001\u6709\u58f0\u8bfb\u7269\u6216\u64ad\u5ba2\u3002 \u5b83\u6709\u7740\u6781\u9ad8\u7684\u7f16\u7801\u6548\u7387\uff0c\u7acb\u4f53\u58f0\u670d\u52a1\u6bd4\u7279\u7387\u8303\u56f4\u4ece12 kbit\/s\u5230500 kbit\/s\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u97f3\u89c6\u9891\u6d41\u5a92\u4f53\u4f9b\u5e94\u5546\u514b\u670d\u97f3\u9891\u5e26\u5bbd\u9650\u5236\uff0c\u4ece\u800c\u5e26\u6765\u589e\u5f3a\u4e14\u53ef\u9760\u7684\u6d88\u8d39\u8005\u4f53\u9a8c\u3002\u6b64\u5916\uff0c\u5728\u65b0\u5174\u5e02\u573a\u4e2d\uff0c2G\/3G\u7f51\u7edc\u4ecd\u7136\u5927\u91cf\u5b58\u5728\uff0c\u5927\u57ce\u5e02\u4e2d\u4e25\u91cd\u62e5\u6324\u76844G\/5G\u7f51\u7edc\u5df2\u7ecf\u6210\u4e3a\u666e\u904d\u73b0\u5b9e\uff0c\u8fd9\u4e5f\u4f7f\u5f97\u97f3\u9891\u7f16\u7801\u6548\u7387\u53d8\u5f97\u5c24\u5176\u91cd\u8981\u3002 Netflix\u5728\u5176\u8fd1\u671f\u535a\u5ba2\u6587\u7ae0\u300a\u901a\u8fc7 xHE-AAC \u4f18\u5316\u5b89\u5353\u8bbe\u5907\u4e0a\u7684\u542c\u89c9\u4f53\u9a8c\u300b\u4e2d\u4ecb\u7ecd\u4e86\u5176\u5bf9 xHE-AAC \u7684\u4f7f\u7528\u3002<\/p>\n

\u5168\u7403\u8bb8\u591a\u670d\u52a1\u63d0\u4f9b\u5546\u90fd\u4f9d\u8d56\u4e8e\u57fa\u4e8e FFmpeg \u7684\u8f93\u5165\u548c\u7f16\u7801\u6846\u67b6\u3002\u501f\u52a9\u5168\u65b0xHE-AAC FFmpeg \u63d2\u4ef6\uff0c\u4ed6\u4eec\u53ef\u4ee5\u8f7b\u677e\u542f\u7528xHE-AAC \u97f3\u9891\u7f16\u7801\u5668\u3002\u9664\u57fa\u672c\u7684\u63d2\u4ef6\u529f\u80fd\u5916\uff0cMainConcept \u8fd8\u4e3a\u670d\u52a1\u63d0\u4f9b\u5546\u5e26\u6765\u5de5\u4f5c\u6d41\u7a0b\u4f18\u5316\u7684\u4e13\u4e1a\u670d\u52a1\u3002 xHE-AAC FFmpeg \u63d2\u4ef6\u73b0\u5df2\u5728 MainConcept \u7f51\u7ad9\u4e0a \uff08www.mainconcept.com\/ffmpeg<\/a>\uff09\u63d0\u4f9b\u514d\u8d39\u516c\u5f00\u6d4b\u8bd5\u7248\u3002<\/p>\n

Fraunhofer IIS \u4e1a\u52a1\u90e8\u8d1f\u8d23\u4eba\u517c\u97f3\u9891\u548c\u5a92\u4f53\u6280\u672f\u90e8\u526f\u603b\u76d1Marc Gayer\u8868\u793a\uff1a\u201c\u6211\u4eec\u7684\u5ba2\u6237\u666e\u904d\u4f7f\u7528\u57fa\u4e8e FFmpeg \u7684\u8f93\u5165\u548c\u7f16\u7801\u6846\u67b6\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u751f\u4ea7\u7ea7 xHE-AAC \u7f16\u7801\u5668\u5e7f\u6cdb\u90e8\u7f72\u5e76\u6613\u4e8e\u96c6\u6210\u5230\u8fd9\u4e9b\u73b0\u6709\u5de5\u4f5c\u6d41\u7a0b\u4e2d\uff0c\u8be5\u613f\u666f\u7684\u5b9e\u73b0\u5f97\u76ca\u4e8e\u6211\u4eec\u7684\u957f\u671f\u5408\u4f5c\u4f19\u4f34 MainConcept \u548c\u5168\u65b0\u7684FFmpeg xHE-AAC \u7f16\u7801\u5668\u63d2\u4ef6\u3002\u201d<\/p>\n

MainConcept \u4ea7\u54c1\u7ba1\u7406\u526f\u603b\u88c1 Thomas Kramer \u8868\u793a\uff1a \u201c\u8fd1 30 \u5e74\u6765\uff0cMainConcept \u4e00\u76f4\u88ab\u516c\u8ba4\u4e3a\u5e7f\u64ad\u3001\u5236\u4f5c\u548c\u6d41\u5a92\u4f53\u9886\u57df\u4e13\u4e1a\u97f3\u89c6\u9891\u7f16\u89e3\u7801\u5668\u7684\u6838\u5fc3\u521b\u9020\u8005\u3002\u6211\u4eec\u7684 FFmpeg \u63d2\u4ef6\u4f7f\u4efb\u4f55\u7ea7\u522b\u7684\u7528\u6237\u90fd\u80fd\u5feb\u901f\u8f7b\u677e\u5730\u63d0\u9ad8\u89c6\u542c\u8d28\u91cf\u548c\u6027\u80fd\u3002xHE-AAC FFmpeg \u63d2\u4ef6\u5c06\u8be5\u4ea7\u54c1\u7ebf\u6269\u5c55\u5230\u6700\u65b0\u4e00\u4ee3\u7684\u97f3\u9891\u7f16\u89e3\u7801\u5668\u3002\u201d<\/p>\n

MainConcept \u7684xHE-AAC FFmpeg \u63d2\u4ef6\u5df2\u901a\u8fc7Fraunhofer xHE-AAC \u7f16\u89e3\u7801\u5668\u6d4b\u8bd5\u670d\u52a1\u7684\u9a8c\u8bc1\uff0c\u8be5\u670d\u52a1\u53ef\u5728 http:\/\/www.test.xhe-aac.com\/<\/a> \u4e0a\u514d\u8d39\u83b7\u5f97\u3002<\/p>\n

\u51ed\u501f DASH \u6216 HLS \u8fdb\u884c\u81ea\u9002\u5e94\u6d41\u5a92\u4f53\u521b\u5efa\u65f6\uff0cxHE-AAC \u80fd\u5728\u826f\u597d\u7684\u7f51\u7edc\u6761\u4ef6\u4e0b\u63d0\u4f9b\u63a5\u8fd1\u65e0\u635f\u7684\u8d28\u91cf\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u65e0\u7f1d\u5207\u6362\u5230\u62e5\u585e\u7f51\u7edc\u53ef\u4ee5\u652f\u6301\u7684\u6bd4\u7279\u7387\u548c\u8d28\u91cf\u7ea7\u522b\u3002\u7531\u9ad8\u6548\u7684xHE-AAC\u6240\u8282\u7701\u7684\u97f3\u9891\u5e26\u5bbd\u53ef\u7528\u4e8e\u63d0\u9ad8\u89c6\u9891\u8d28\u91cf\u3002<\/p>\n

\u6b64\u5916\uff0cxHE-AAC \u7684\u53e6\u4e00\u4e2a\u5173\u952e\u7279\u6027\u662fMPEG-D \u54cd\u5ea6\u548c\u52a8\u6001\u8303\u56f4\u63a7\u5236\u5143\u6570\u636e\u3002\u5b83\u5141\u8bb8\u670d\u52a1\u63d0\u4f9b\u5546\u5728\u97f3\u9891\u6bd4\u7279\u6d41\u4e2d\u5d4c\u5165\u7279\u5b9a\u4e8e\u5185\u5bb9\u548c\u7aef\u70b9\u7684\u5143\u6570\u636e\u8fdb\u884c\u4f20\u8f93\uff0c\u4ece\u800c\u5728\u64ad\u653e\u7aef\u4e3a\u4efb\u4f55\u64ad\u653e\u8bbe\u5907\u548c\u73af\u5883\u5b9e\u73b0\u4e00\u81f4\u7684\u54cd\u5ea6\u7ea7\u522b\u548c\u6700\u4f73\u52a8\u6001\u8303\u56f4\u3002\u5728\u5bb6\u5ead\u5ba2\u5385\u73af\u5883\u4e2d\uff0c\u7528\u6237\u80fd\u591f\u6839\u636e\u521b\u4f5c\u8005\u8bbe\u8ba1\u7684\u6df7\u97f3\u65b9\u5f0f\u5728\u5b8c\u6574\u7684\u52a8\u6001\u8303\u56f4\u5185\u6b23\u8d4f\u7535\u5f71\u3002\u5728\u5608\u6742\u73af\u5883\u4e2d\u7684\u79fb\u52a8\u8bbe\u5907\u4e0a\u64ad\u653e\u540c\u4e00\u90e8\u7535\u5f71\u5219\u9700\u8981\u54cd\u5ea6\u7ba1\u7406\u529f\u80fd\uff0c\u4ee5\u4fbf\u83b7\u53d6\u6e05\u6670\u7684\u5bf9\u767d\u3002\u4f7f\u7528 MPEG-D \u5143\u6570\u636e\uff0c\u5355\u8def\u6d41\u53ef\u4ee5\u540c\u65f6\u6ee1\u8db3\u4ee5\u4e0a\u4e24\u79cd\u7528\u4f8b\u7684\u9700\u6c42\uff0c\u4ee5\u53ca\u4ecb\u4e8e\u4e24\u8005\u4e4b\u95f4\u7684\u6240\u6709\u9700\u6c42\u3002<\/p>\n

\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u5168\u65b0xHE-AAC FFmpeg\u63d2\u4ef6\u7684\u4fe1\u606f\uff0c\u6b22\u8fce\u6536\u770b\u7531MainConcept\u548cFraunhofer\u8054\u5408\u4e3e\u529e\u7684\u7f51\u7edc\u89c6\u9891\u7814\u8ba8\u4f1a\uff1ahttps:\/\/www.brighttalk.com\/webcast\/19022\/502080?utm_source=MainConcept&utm_medium=brighttalk&utm_campaign=502080.<\/a><\/span><\/span><\/em><\/div>\n

\u00a0<\/strong><\/p>\n

\u5173\u4e8e<\/strong>MainConcept<\/strong><\/p>\n

\u81ea 1993 \u5e74\u4ee5\u6765\uff0cMainConcept\u00ae<\/sup> \u4e00\u76f4\u63d0\u4f9b\u4e00\u6d41\u7684\u97f3\u89c6\u9891\u7f16\u89e3\u7801\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u4e3a\u4e13\u4e1a\u89c6\u9891\u5236\u4f5c\u3001\u591a\u5a92\u4f53\u3001\u5e7f\u64ad\u3001\u6570\u5b57\u6807\u8bc6\u3001\u6e38\u620f\u3001\u533b\u7597\u548c\u5b89\u5168\u884c\u4e1a\u5728\u5168\u7403\u8303\u56f4\u5185\u6fc0\u53d1\u521b\u9020\u529b\u548c\u5f00\u5c55\u4e1a\u52a1\u3002 \u6211\u4eec\u7684\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\u3001\u8f6c\u7801\u5e94\u7528\u7a0b\u5e8f\u548c\u63d2\u4ef6\u5728\u5782\u76f4\u884c\u4e1a\u4e2d\u4f7f\u7528\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u65ad\u6269\u5927\u7684\u7528\u4f8b\u5217\u8868\u3002 \u51ed\u501f\u4e16\u754c\u4e00\u6d41\u7684\u5de5\u7a0b\u3001\u5bf9\u7ec6\u8282\u7684\u7cbe\u81f4\u5173\u6ce8\u4ee5\u53ca\u9ad8\u6c34\u51c6\u7684\u652f\u6301\u548c\u4e13\u4e1a\u670d\u52a1\uff0c\u6211\u4eec\u4e0d\u65ad\u521b\u65b0\uff0c\u4e3a\u7528\u6237\u6765\u5e26\u4fbf\u6377\u7684\u7528\u6237\u4f53\u9a8c\u3002MainConcept \u7f16\u89e3\u7801\u5668\u65e8\u4e3a\u4e86\u8d85\u8d8a\u6700\u82db\u523b\u7684\u7528\u4f8b\u6311\u6218\uff0c\u88ab Adobe\u3001Autodesk\u3001Corel\u3001Endeavor Streaming\u3001Grass Valley\u3001MAGIX\u3001Nikon\u3001Playbox \u548c Soliton \u7b49\u4f01\u4e1a\u91c7\u7528\u3002 \u6709\u5173\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee www.mainconcept.com\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

\u5173\u4e8e xHE-AAC<\/p>\n

xHE-AAC\u662fMPEG AAC\u97f3\u9891\u7f16\u89e3\u7801\u5668\u5bb6\u65cf\u7684\u6700\u65b0\u6210\u5458\u3002Fraunhofer IIS \u5728xHE-AAC\u548cMPEG-D DRC\u6807\u51c6\u7684\u5f00\u53d1\u4e2d\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002xHE-AAC\u73b0\u5df2\u539f\u751f\u652f\u6301\u4e8e\u6700\u65b0\u7684\u82f9\u679c\u3001\u5b89\u5353\u548c\u4e9a\u9a6c\u900a\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5e76\u4e8e\u8fd1\u671f\u6210\u529f\u6388\u6743\u4e8e\u5fae\u8f6f\u3002\u4e13\u4e1a\u7684xHE-AAC\u7f16\u7801\u5668\u8f6f\u4ef6\u53ef\u76f4\u63a5\u4eceFraunhofer IIS\u6216\u5176\u6d41\u5a92\u4f53\u8bbe\u5907\u5408\u4f5c\u4f19\u4f34\u5904\u83b7\u5f97\u6388\u6743\u3002\u76ee\u524d\uff0cFraunhofer \u4e3a\u5ba2\u6237\u63d0\u4f9b\u57fa\u4e8e web \u7684\u6d4b\u8bd5\u670d\u52a1\uff0c\u5f00\u53d1\u4eba\u5458\u548c\u5236\u9020\u5546\u53ef\u4ee5\u901a\u8fc7\u8be5\u670d\u52a1\u6765\u9a8c\u8bc1xHE-AAC\u00ae<\/sup>\u97f3\u9891\u7f16\u89e3\u7801\u5668\u7684\u5b9e\u73b0\u662f\u5426\u7b26\u5408 MPEG \u6807\u51c6\u3002\u8be5\u670d\u52a1\u4ec5\u5728https:\/\/test.xhe-aac.com\/\u4e0a\u53ef\u7528\uff0c\u6ce8\u518cFraunhofer IIS\u540e\u53ef\u514d\u8d39\u4f7f\u7528\uff0c\u5305\u542b\u7f16\u89e3\u7801\u5668\u7684\u6d4b\u8bd5\u3002xHE-AAC\u548cMPEG-D DRC\u4e13\u5229\u5305\u542b\u5728AAC\u4e13\u5229\u8bb8\u53ef\u8ba1\u5212\u4e2d\uff0c\u7531VIA \u7edf\u4e00\u7ba1\u7406\u5e76\u65e0\u9700\u989d\u5916\u8d39\u7528\u3002<\/p>\n

Header image: \u00a9 Fotolia – Gorodenkoff Productions OU<\/p>\n","protected":false},"excerpt":{"rendered":"

Fraunhofer\u9ad8\u8d28\u91cf\u7684xHE-AAC\u97f3\u9891\u7f16\u7801\u5668\u73b0\u5df2\u96c6\u6210\u5230MainConcept\u7684FFmpeg\u63d2\u4ef6\u4e2d\uff0c\u6b64\u4e3e […]<\/p>\n","protected":false},"author":2,"featured_media":6987,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154],"tags":[434,440],"class_list":["post-7024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-technologies-cn","tag-streaming-cn","tag-xhe-aac-cn"],"_links":{"self":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7024"}],"collection":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/comments?post=7024"}],"version-history":[{"count":3,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7024\/revisions"}],"predecessor-version":[{"id":7060,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/7024\/revisions\/7060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media\/6987"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media?parent=7024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/categories?post=7024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/tags?post=7024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}