{"id":9371,"date":"2025-09-15T11:38:36","date_gmt":"2025-09-15T09:38:36","guid":{"rendered":"https:\/\/www.audioblog.iis.fraunhofer.com\/?p=9371"},"modified":"2025-09-15T11:38:36","modified_gmt":"2025-09-15T09:38:36","slug":"xhe-aac-aws-elemental","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/xhe-aac-aws-elemental","title":{"rendered":"AWS Elemental MediaConvert \u4e91\u7f16\u7801\u652f\u6301 xHE-AAC"},"content":{"rendered":"<p><strong>AWS Elemental MediaConvert <\/strong><strong>\u662f\u4e00\u9879\u57fa\u4e8e\u4e91\u7684\u89c6\u9891\u70b9\u64ad<\/strong><strong> (VoD) <\/strong><strong>\u548c\u7eaf\u97f3\u9891\u7f16\u7801\u670d\u52a1\uff0c\u73b0\u5df2\u652f\u6301<\/strong><strong> xHE-AAC<\/strong><strong>\uff0c\u4e3a\u5168\u7403\u5185\u5bb9\u63d0\u4f9b\u5546\u5e26\u6765\u6700\u9ad8\u6548\u7684\u7acb\u4f53\u58f0\u97f3\u9891\u7f16\u7801\u6807\u51c6\u3002<\/strong><\/p>\n<p><!--more--><\/p>\n<p>AWS Elemental MediaConvert \u662f\u4e00\u9879\u57fa\u4e8e\u6587\u4ef6\u7684\u89c6\u9891\u8f6c\u7801\u670d\u52a1\uff0c\u4f7f\u5185\u5bb9\u63d0\u4f9b\u5546\u80fd\u591f\u8f7b\u677e\u521b\u5efa\u89c6\u9891\u70b9\u64ad (VoD) \u5185\u5bb9\uff0c\u7528\u4e8e\u5927\u89c4\u6a21\u5e7f\u64ad\u3001\u4f01\u4e1a\u548c\u591a\u5c4f\u4ea4\u4ed8\u3002\u5b83\u63d0\u4f9b\u5e7f\u6cdb\u7684\u7f16\u89e3\u7801\u5668\u3001\u5148\u8fdb\u7684\u97f3\u9891\u529f\u80fd\uff08\u5305\u62ec\u4e24\u6b21\u7f16\u7801\uff09\u548c\u81ea\u9002\u5e94\u6bd4\u7279\u7387\u5c01\u88c5\uff0c\u4f7f\u5176\u6210\u4e3a\u8de8\u8bbe\u5907\u548c\u7f51\u7edc\u63d0\u4f9b\u9ad8\u8d28\u91cf\u5a92\u4f53\u4f53\u9a8c\u7684\u5f3a\u5927\u5de5\u5177\u3002\u901a\u8fc7\u6dfb\u52a0 xHE-AAC\uff0c\u7528\u6237\u73b0\u5728\u53ef\u4ee5\u5bf9\u97f3\u89c6\u9891\u548c\u7eaf\u97f3\u9891\u5185\u5bb9\u8fdb\u884c\u7f16\u7801\uff0c\u5e76\u5728\u5404\u79cd\u6bd4\u7279\u7387\u8303\u56f4\u5185\u63d0\u4f9b\u5353\u8d8a\u7684\u97f3\u9891\u8d28\u91cf\uff0c\u4ece\u800c\u6bd4\u4ee5\u5f80\u66f4\u8f7b\u677e\u5730\u63d0\u4f9b\u5927\u89c4\u6a21\u7684\u9ad8\u8d28\u91cf\u81ea\u9002\u5e94\u97f3\u9891\u4f53\u9a8c\u3002<\/p>\n<p><strong>\u5173\u4e8e<\/strong><strong>xHE-AAC<\/strong><\/p>\n<p>xHE-AAC \u662f\u5907\u53d7\u8d5e\u8a89\u7684AAC\u7f16\u89e3\u7801\u5668\u7684\u6700\u65b0\u4e00\u4ee3\uff0c\u662f Netflix\u3001Audible\u3001Facebook \u548c Instagram \u7b49\u97f3\u89c6\u9891\u548c\u7eaf\u97f3\u9891\u670d\u52a1\u7684\u9996\u9009\u97f3\u9891\u7f16\u89e3\u7801\u5668\u3002\u8be5\u6280\u672f\u4e3b\u8981\u7531 Fraunhofer IIS \u5f00\u53d1\uff0c\u5e76\u539f\u751f\u652f\u6301\u4e8e\u4e9a\u9a6c\u900a\u3001\u5b89\u5353\u3001\u5fae\u8f6f\u548c\u82f9\u679c\u64cd\u4f5c\u7cfb\u7edf\u3002\u5728\u8d85\u8fc7 50 \u4ebf\u53f0\u8bbe\u5907\u4e0a\uff0c\u5b83\u4f7f\u7528\u6237\u80fd\u591f\u4eab\u53d7\u4e0d\u95f4\u65ad\u7684\u6d41\u5a92\u4f53\u64ad\u653e\uff0c\u5e76\u6db5\u76d6\u6240\u6709\u5185\u5bb9\u7c7b\u578b\u3002\u5c24\u5176\u5bf9\u4e8e\u64ad\u5ba2\u3001\u6709\u58f0\u8bfb\u7269\u6216\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u4e2d\u8bed\u97f3\u5bc6\u96c6\u578b\u7684\u5185\u5bb9\uff0cxHE-AAC \u5185\u7f6e\u7684\u8bed\u97f3\u7f16\u7801\u5de5\u5177\u5c24\u4e3a\u6709\u5229\u3002xHE-AAC \u63d0\u4f9b\u6700\u9ad8\u7684\u7f16\u7801\u6548\u7387\uff0c\u53ef\u7528\u6bd4\u7279\u7387\u8303\u56f4\u4ece 12 kbit\/s \u5230 320 kbit\/s \u53ca\u4ee5\u4e0a\uff08\u9002\u7528\u4e8e\u7acb\u4f53\u58f0\u670d\u52a1\uff09\u3002\u7ed3\u5408\u4f7f\u7528 DASH \u548c HLS \u7684\u65e0\u7f1d\u6bd4\u7279\u7387\u81ea\u9002\u5e94\u529f\u80fd\uff0c\u4f7f\u8fd0\u8425\u5546\u80fd\u591f\u4ee5\u8f83\u4f4e\u7684\u6bd4\u7279\u7387\u8fdb\u884c\u6d41\u5a92\u4f53\u64ad\u653e\uff0c\u540c\u65f6\u4fdd\u6301\u9ad8\u5ea6\u7a33\u5b9a\u7684\u97f3\u8d28\uff0c\u5e76\u51cf\u5c11\u7f13\u51b2\u548c\u4f20\u8f93\u6210\u672c\u3002\u6b64\u5916\uff0cxHE-AAC \u5185\u7f6e\u5bf9 MPEG-D DRC \u54cd\u5ea6\u548c\u52a8\u6001\u8303\u56f4\u63a7\u5236\u7684\u539f\u751f\u652f\u6301\uff0c\u786e\u4fdd\u7528\u6237\u65e0\u9700\u9891\u7e41\u8c03\u6574\u97f3\u91cf\u4fbf\u80fd\u83b7\u5f97\u4e00\u81f4\u54cd\u5ea6\u7684\u826f\u597d\u4f53\u9a8c\u3002<\/p>\n<p><strong>IBC<\/strong><strong>\u5c55\u793a<\/strong><\/p>\n<p>\u4f5c\u4e3a MediaConvert \u5c55\u89c8\u7684\u4e00\u90e8\u5206\uff0c\u4e9a\u9a6c\u900a\u5c06\u5728\u5176 IBC \u5c55\u4f4d\uff085.C90\uff09\u4e0a\u5c55\u793a\u8fd9\u4e00\u65b0\u529f\u80fd\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AWS Elemental MediaConvert \u662f\u4e00\u9879\u57fa\u4e8e\u4e91\u7684\u89c6\u9891\u70b9\u64ad (VoD) \u548c\u7eaf\u97f3\u9891\u7f16\u7801\u670d\u52a1\uff0c\u73b0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9345,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154],"tags":[],"class_list":["post-9371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-technologies-cn"],"_links":{"self":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/9371"}],"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=9371"}],"version-history":[{"count":1,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/9371\/revisions"}],"predecessor-version":[{"id":9372,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/9371\/revisions\/9372"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media\/9345"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media?parent=9371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/categories?post=9371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/tags?post=9371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}