{"id":5920,"date":"2020-07-17T11:00:08","date_gmt":"2020-07-17T09:00:08","guid":{"rendered":"https:\/\/websites.fraunhofer.de\/audioblog\/?p=5920"},"modified":"2020-07-17T11:02:29","modified_gmt":"2020-07-17T09:02:29","slug":"fraunhoferiis-xheaac-microsoft","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/fraunhoferiis-xheaac-microsoft","title":{"rendered":"Fraunhofer IIS\u5411\u5fae\u8f6f\u6388\u6743xHE-AAC\u97f3\u9891\u7f16\u89e3\u7801\u5668\u8f6f\u4ef6"},"content":{"rendered":"<p><strong>Fraunhofer IIS<\/strong><strong>\u5ba3\u5e03\u5411\u5fae<\/strong><strong>\u8f6f<\/strong><strong>\u516c\u53f8\u6388<\/strong><strong>\u6743<\/strong><strong>\u5176<\/strong><strong>xHE-AAC<\/strong><strong>\u548c<\/strong><strong>MPEG-D DRC<\/strong><strong>\u8f6f<\/strong><strong>\u4ef6<\/strong><\/p>\n<p><!--more--><\/p>\n<p>xHE-AAC\u5177\u5907\u6781\u9ad8\u7684\u7f16\u7801\u6548\u7387\uff0c\u5176\u7acb\u4f53\u58f0\u7801\u7387\u8303\u56f4\u4ece12 kbit\/s \u5230 500 kbit\/s\u4ee5\u4e0a\uff0c\u4ece\u800c\u8ba9\u7528\u6237\u5728\u6536\u770b\u5982\u7535\u5f71\u3001\u97f3\u4e50\u3001\u6709\u58f0\u8bfb\u7269\u6216\u64ad\u5ba2\u7b49\u5404\u79cd\u8282\u76ee\u65f6\u53ef\u4eab\u53d7\u6301\u7eed\u4e0d\u95f4\u65ad\u7684\u670d\u52a1\u3002\u6b64\u5916\uff0c\u8be5\u529f\u80fd\u8fd8\u5c06\u52a9\u529b\u97f3\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u4f9b\u5e94\u5546\u514b\u670d\u97f3\u9891\u5e26\u5bbd\u9650\u5236\u5e76\u5e26\u6765\u66f4\u4e3a\u53ef\u9760\u7684\u7528\u6237\u4f53\u9a8c\uff0c2G\u548c3G\u7f51\u7edc\u7528\u6237\u5c24\u5176\u9002\u7528\u3002<\/p>\n<p>\u901a\u8fc7DASH\u6216HLS\u521b\u5efa\u81ea\u9002\u5e94\u6d41\uff0cxHE-AAC\u80fd\u591f\u5728\u826f\u597d\u7684\u7f51\u7edc\u6761\u4ef6\u4e0b\u63d0\u4f9b\u900f\u660e\u7684\u97f3\u9891\u8d28\u91cf\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u65e0\u7f1d\u5207\u6362\u5230\u9002\u7528\u62e5\u585e\u7f51\u7edc\u6761\u4ef6\u4e0b\u7684\u7801\u7387\u3002\u901a\u8fc7xHE-AAC\u8282\u7701\u7684\u97f3\u9891\u5e26\u5bbd\u80fd\u591f\u7528\u4e8e\u63d0\u5347\u89c6\u9891\u8d28\u91cf\u3002MPEG-D 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