{"id":3127,"date":"2014-03-18T11:30:04","date_gmt":"2014-03-18T09:30:04","guid":{"rendered":"https:\/\/websites.fraunhofer.de\/iis_audioblog?p=3127"},"modified":"2020-01-03T19:46:41","modified_gmt":"2020-01-03T17:46:41","slug":"ccbn-2014","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/ccbn-2014","title":{"rendered":"\u5c55\u4f1a\u5b63\u5230\u6765\uff1a\u4e2d\u56fd\u56fd\u9645\u5e7f\u64ad\u7535\u89c6\u4fe1\u606f\u7f51\u7edc\u5c55\u89c8\u4f1a\uff08 CCBN \uff09\u5728\u4eac\u53ec\u5f00"},"content":{"rendered":"

\u4e1c\u4e9a\u5730\u533a\u7f51\u7edc\u793e\u533a\u7684\u6301\u7eed\u589e\u957f\u662f\u4fc3\u4f7fFraunhofer IIS\u53c2\u4e0e\u6b64\u6b21CCBN\u7684\u539f\u56e0\u4e4b\u4e00\u30022013\u5e7412\u6708\u5e95\uff0c\u4e2d\u56fd\u4e92\u8054\u7f51\u7edc\u4fe1\u606f\u4e2d\u5fc3\uff08CNNIC\uff09\u53d1\u5e03\u4e86\u300a\u7b2c33\u6b21\u4e2d\u56fd\u4e92\u8054\u7f51\u7edc\u53d1\u5c55\u72b6\u51b5\u7edf\u8ba1\u62a5\u544a\u300b\uff0c\u62a5\u544a\u53cd\u6620\u4e86\u4e2d\u56fd\u4e92\u8054\u7f51\u7528\u6237\u7684\u5feb\u901f\u589e\u957f\u3002\u622a\u81f32013\u5e74\uff0c\u4e2d\u56fd\u4e92\u8054\u7f51\u7528\u6237\u603b\u8ba1\u8fbe6.18\u4ebf\uff0c\u666e\u53ca\u7387\u8fbe45.8%\u3002\u62a5\u544a\u6307\u51fa\uff0c5\u4ebf\u3001\u537381%\u7684\u4e2d\u56fd\u4e92\u8054\u7f51\u7528\u6237\u901a\u8fc7\u79fb\u52a8\u8bbe\u5907\u4e0a\u7f51\uff0c\u80af\u5b9a\u4e86\u667a\u80fd\u624b\u673a\u5728\u4e2d\u56fd\u65e5\u76ca\u589e\u957f\u7684\u91cd\u8981\u6027\u3002\u5176\u4e2d\uff0c2.47\u4ebf\u79fb\u52a8\u7528\u6237\u901a\u8fc7\u79fb\u52a8\u8bbe\u5907\u89c2\u770b\u7535\u5f71\u3001\u89c6\u9891\u6216\u6b23\u8d4f\u97f3\u4e50\u3002<\/p>\n

\u7531Fraunhofer IIS\u8054\u5408\u5f00\u53d1\u7684\u97f3\u9891\u7f16\u89e3\u7801\u5668HE-AAC\u5373\u53ef\u652f\u6301\u4e0a\u8ff0\u6240\u6709\u670d\u52a1\u3002\u5728\u8fc7\u53bb\u7684\u51e0\u5e74\u91cc\uff0cHE-AAC\u5df2\u7ecf\u6210\u4e3a\u6700\u5148\u8fdb\u7684\u5e7f\u64ad\u548c\u6d41\u5a92\u4f53\u591a\u5a92\u4f53\u7cfb\u7edf\u6700\u91cd\u8981\u7684\u57fa\u7840\u6280\u672f\u4e4b\u4e00\u3002\u7531\u4e8e\u53ef\u4ee5\u5728\u9ad8\u6bd4\u7279\u7387\u548c\u6781\u4f4e\u6bd4\u7279\u7387\u6761\u4ef6\u4e0b\u4fdd\u6301\u5353\u8d8a\u97f3\u8d28\uff0cHE-AAC\u6210\u4e3aMPEG-DASH\u7b49\u65b0\u81ea\u9002\u5e94\u6d41\u5a92\u4f53\u6807\u51c6\u7684\u5b8c\u7f8e\u97f3\u9891\u89e3\u51b3\u65b9\u6848\u3002\u5728\u6b64\u6b21\u5c55\u4f1a\u4e2d\uff0c\u4e2d\u56fd\u89c2\u4f17\u53ef\u4ee5\u4f53\u9a8cHE-AAC\u7ed3\u5408\u65b0\u4e00\u4ee3\u89c6\u9891\u7f16\u89e3\u7801\u5668HEVC\u548cMPEG-DASH\u6240\u5e26\u6765\u7684\u51fa\u8272\u97f3\u6548\u3002HE-AAC\u7f16\u89e3\u7801\u5668\u54c1\u8d28\u51fa\u4f17\uff0c\u53ef\u5728\u62e5\u5835\u7f51\u7edc\u548c\u4e0d\u7a33\u5b9a\u6bd4\u7279\u7387\u6761\u4ef6\u4e0b\uff0c\u5b9e\u73b0\u7edd\u4f73\u7684\u97f3\u6548\u4f53\u9a8c\u3002HE-AAC\u7f16\u89e3\u7801\u6280\u672f\u4f5c\u4e3a\u5b89\u5353\u7cfb\u7edf\uff08\u4e16\u754c\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u624b\u673a\u64cd\u4f5c\u7cfb\u7edf\uff09\u552f\u4e00\u5f3a\u5236\u6027\u7684\u97f3\u9891\u7f16\u89e3\u7801\u5668\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u4f7f\u89c2\u4f17\u4f53\u9a8c\u5230\u7acb\u4f53\u58f0\u97f3\u6548\uff0c\u800c\u4e14\u53ef\u4ee5\u4f53\u9a8c5.1\u591a\u58f0\u9053\u73af\u7ed5\u58f0\u97f3\u6548\u3002\u6211\u4eec\u5c06\u901a\u8fc7HDMI\u5c06\u5b89\u5353\u8bbe\u5907\u8fde\u63a5\u5230\u5bb6\u5ead\u5f71\u9662\u7cfb\u7edf\u4e0a\u6765\u8fdb\u884c\u4e0a\u8ff0\u6f14\u793a\u3002<\/p>\n

\u4f7f\u5c0f\u578b\u8bbe\u5907\u4ea6\u53ef\u5c55\u73b0\u51fa\u4f17\u97f3\u6548\u7684Fraunhofer-Cingo\u6280\u672f\u4e0eHE-AAC\u591a\u58f0\u9053\u6280\u672f\u5b8c\u7f8e\u642d\u914d\u3002\u501f\u52a9Cingo\uff0c\u7528\u6237\u901a\u8fc7\u8033\u673a\u6216\u5185\u7f6e\u7acb\u4f53\u58f0\u626c\u58f0\u5668\u5373\u53ef\u5728\u667a\u80fd\u624b\u673a\u6216\u5e73\u677f\u7535\u8111\u4e0a\u9886\u7565\u5230\u7edd\u4f73\u7684\u73af\u7ed5\u58f0\u97f3\u6548\u3002\u7531\u4e8e\u5176\u72ec\u7279\u7684\u97f3\u6548\u529f\u80fd\uff0c\u8c37\u6b4cNexus\u7cfb\u5217\u8bbe\u5907\u5373\u91c7\u7528\u4e86Cingo\u3002<\/p>\n

\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u5c55\u793aHE-AAC\u6700\u65b0\u7248\u672c\u4e4b\u4e00\u7684\u6269\u5c55\u578bHE-AAC\u6280\u672f\uff08xHE-AAC\uff09\uff0c\u4e5f\u662fMPEG\u97f3\u9891\u7f16\u89e3\u7801\u5668\u7684\u7b2c\u4e94\u4ee3\u4ea7\u54c1\u3002\u6269\u5c55\u578bHE-AAC\u662f\u5e7f\u64ad\u670d\u52a1\u7684\u7406\u60f3\u4ea7\u54c1\uff0c\u5e76\u4e14\u662f\u7b2c\u4e00\u79cd\u53ef\u4ee5\u5728\u6781\u4f4e\u6bd4\u7279\u7387\uff088 kbit\/s\uff09\u6761\u4ef6\u4e0b\u540c\u65f6\u5904\u7406\u8bed\u97f3\u548c\u97f3\u4e50\u7684\u97f3\u9891\u6280\u672f\u3002\u5728CCBN\u5c55\u4f1a\u4e0a\uff0c\u89c2\u4f17\u53ef\u4ee5\u901a\u8fc7\u4e00\u6bb5\u8c08\u8bdd\u5e7f\u64ad\u8282\u76ee\u6216\u97f3\u4e50\u5e7f\u64ad\u8282\u76ee\uff0c\u76f4\u63a5\u611f\u53d7\u5176\u4ed6\u97f3\u9891\u7f16\u89e3\u7801\u5668\u4e0e\u6269\u5c55\u578bHE-AAC\u7684\u5dee\u522b\uff0c\u4f53\u4f1axHE-AAC\u7f16\u89e3\u7801\u5668\u7684\u4f18\u52bf\u3002\u5373\u4f7f\u5728\u6781\u4f4e\u7684\u6bd4\u7279\u7387\u6761\u4ef6\u4e0b\uff0cxHE-AAC\u4e5f\u80fd\u4e3a\u7528\u6237\u63d0\u4f9b\u7edd\u4f73\u7684\u97f3\u6548\u4f53\u9a8c\u3002<\/p>\n

\u6211\u4eec\u7684\u7f16\u89e3\u7801\u5668\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u7535\u53f0\u5e7f\u64ad\uff0c\u4e5f\u53ef\u7528\u4e8e\u6570\u5b57\u7535\u89c6\u5e7f\u64ad\u3002\u4f8b\u5982\uff0cHE-AAC\u4f5c\u4e3aDVB\u5de5\u5177\u7bb1\u7684\u4e00\u90e8\u5206\uff0c\u5df2\u88ab\u591a\u4e2a\u6b27\u6d32\u548c\u5357\u7f8e\u56fd\u5bb6\u6240\u91c7\u7528\u3002\u4e3a\u4e86\u4f7f\u7535\u89c6\u7684\u672a\u6765\u66f4\u5177\u5438\u5f15\u529b\uff0c\u6211\u4eec\u5c06\u5728 CCBN \u4e0a\u5c55\u51fa\u6211\u4eec\u7684\u5bf9\u767d\u589e\u5f3a\u6280\u672f\u3002\u8be5\u6280\u672f\u4f7f\u542c\u4f17\u53ef\u81ea\u884c\u8c03\u8282\u8282\u76ee\u7684\u97f3\u9891\u5e73\u8861\u3002\u4f8b\u5982\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u81ea\u8eab\u559c\u597d\u6539\u53d8\u8bed\u97f3\u6216\u73af\u5883\u80cc\u666f\u58f0\u3002\u501f\u52a9\u5bf9\u767d\u589e\u5f3a\u6280\u672f\u7684\u9ad8\u6548\u7f16\u89e3\u7801\u80fd\u529b\uff0c\u5c31\u80fd\u5b9e\u73b0\u97f3\u9891\u6570\u636e\u6d41\u4e2d\u6240\u9700\u9644\u52a0\u4fe1\u606f\u7684\u4f20\u8f93\u3002<\/p>\n

Fraunhofer IIS\u70ed\u5207\u671f\u5f85\u7740 CCBN \u7684\u5230\u6765\uff0c\u5e76\u5e0c\u671b\u5728\u6b64\u6b21\u5c55\u4f1a\u4e0a\u4e0e\u89c2\u4f17\u5f00\u5c55\u6709\u8da3\u7684\u4f1a\u8c08\u4ee5\u53ca\u4e1a\u52a1\u53d1\u5c55\u4ea4\u6d41\u3002<\/p>\n

\n
\n
\n

[1] \u4e2d\u56fd\u4e92\u8054\u7f51\u7edc\u4fe1\u606f\u4e2d\u5fc3\uff08CNNIC\uff09\uff1a2013\u5e74\u300a\u7b2c33\u6b21\u4e2d\u56fd\u4e92\u8054\u7f51\u7edc\u53d1\u5c55\u72b6\u51b5\u7edf\u8ba1\u62a5\u544a\u300b\uff0cwww1.cnnic.cn\/AU\/MediaC\/rdxw\/hotnews\/201401\/t20140117_43849.htm [20.03.2014].<\/p>\n

Header image \u00a9 Matthias Rose –\u00a0Fraunhofer IIS<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u7b2c22\u5c4a\u4e2d\u56fd\u56fd\u9645\u5e7f\u64ad\u7535\u89c6\u4fe1\u606f\u7f51\u7edc\u5c55\u89c8\u4f1a\uff08 CCBN \uff09\u5373\u5c06\u4e8e2014\u5e743\u670820\u65e5\u81f322\u65e5\u5728\u5317\u4eac\u4e2d\u56fd\u56fd\u9645\u5c55\u89c8\u4e2d\u5fc3\u4e3e\u884c\u3002 CCBN \u4e3a\u4e9a\u592a\u5730\u533a\u6700\u5927\u7684\u5e7f\u64ad\u6280\u672f\u4e0e\u8bbe\u5907\u5c55\u89c8\u4f1a\uff0c\u9884\u8ba1\u5c06\u6709\u8d85\u8fc71,000\u5bb6\u53c2\u5c55\u5546\u548c100,000\u540d\u4e13\u4e1a\u89c2\u4f17\u53c2\u4e0e\u6b64\u6b21\u5c55\u4f1a\u3002\u8fd9\u662f\u5f17\u52b3\u6069\u970d\u592b\u96c6\u6210\u7535\u8def\u7814\u7a76\u6240\uff08Fraunhofer IIS\uff09\u7b2c\u4e8c\u6b21\u4eae\u76f8 CCBN \uff0cFraunhofer IIS\u5e0c\u671b\u501f\u6b64\u6b21\u5c55\u4f1a\u5411\u89c2\u4f17\u5c55\u793a\u5176\u6700\u65b0\u7684\u97f3\u9891\u6280\u672f\u3002<\/p>\n","protected":false},"author":2,"featured_media":2725,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154,153],"tags":[316,323,440],"class_list":["post-3127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-technologies-cn","category-events-tradeshows-cn","tag-cingo-cn","tag-dash-cn","tag-xhe-aac-cn"],"_links":{"self":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/3127"}],"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=3127"}],"version-history":[{"count":3,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/3127\/revisions"}],"predecessor-version":[{"id":5560,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/3127\/revisions\/5560"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media\/2725"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media?parent=3127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/categories?post=3127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/tags?post=3127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}