{"id":6804,"date":"2021-05-24T08:00:08","date_gmt":"2021-05-24T06:00:08","guid":{"rendered":"https:\/\/websites.fraunhofer.de\/audioblog\/?p=6804"},"modified":"2021-05-24T19:42:33","modified_gmt":"2021-05-24T17:42:33","slug":"ccbn-2021","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/ccbn-2021","title":{"rendered":"Fraunhofer IIS\u521b\u65b0\u7535\u89c6\u4e0e\u5e7f\u64ad\u97f3\u9891\u6280\u672f\u4eae\u76f8CCBN 2021"},"content":{"rendered":"<p><strong>2021<\/strong><strong>\u5e74<\/strong><strong>5<\/strong><strong>\u6708<\/strong><strong>24<\/strong><strong>\u65e5\uff0c\u5317\u4eac\u2014\u2014<\/strong><strong>CCBN<\/strong><strong>\uff0c<\/strong><strong>2303A<\/strong><strong>\u5c55\u4f4d\uff0c<\/strong>\u4e16\u754c\u8457\u540d\u7684\u97f3\u9891\u53ca\u5a92\u4f53\u6280\u672f\u7814\u7a76\u673a\u6784Fraunhofer IIS\u5c06\u57282021\u5e74\u4e2d\u56fd\u56fd\u9645\u5e7f\u64ad\u7535\u89c6\u4fe1\u606f\u7f51\u7edc\u5c55\u89c8\u4f1a\uff08CCBN\uff09\u4e0a\u643a\u624b\u4e2d\u56fd\u5408\u4f5c\u4f19\u4f34\u8054\u8882\u5c55\u793a\u4e86\u4e0b\u4e00\u4ee3\u5e7f\u64ad\u7535\u89c6\u97f3\u9891\u7cfb\u7edf<a href=\"https:\/\/www.iis.fraunhofer.de\/zh\/ff\/amm\/broadcast-streaming\/mpegh.html\">MPEG-H Audio<\/a>\u548c\u5168\u5e7f\u64ad\u94fe\u8def\u7684\u6570\u5b57\u5e7f\u64ad\u6280\u672f:\u4e3a\u6570\u5b57\u5e7f\u64ad\u5e26\u6765\u5353\u8d8a\u97f3\u9891\u8d28\u91cf\u548c\u66f4\u591a\u4f20\u8f93\u80fd\u529b\u7684<a href=\"https:\/\/www.iis.fraunhofer.de\/zh\/ff\/amm\/prod\/digirundfunk\/digirundf\/xheaac.html\">xHE-AAC<\/a>\u6280\u672f, \u63d0\u4f9b\u53ef\u9760\u4e14\u529f\u80fd\u5168\u9762\u7684\u6570\u5b57\u5e7f\u64ad\u670d\u52a1\u5668<a href=\"https:\/\/www.iis.fraunhofer.de\/zh\/ff\/amm\/broadcast-streaming\/dabcontentserver.html\">DRM ContentServer<\/a>\uff0c\u5e94\u7528\u4e8e\u6570\u5b57\u5e7f\u64ad\u6587\u672c\u4fe1\u606f\u670d\u52a1\u7684<a href=\"https:\/\/www.iis.fraunhofer.de\/zh\/ff\/amm\/broadcast-streaming\/journaline.html\">Journaline<\/a>\u3001\u6570\u5b57\u5e7f\u64ad\u5e94\u6025\u62a5\u8b66\u529f\u80fd(EWF)\u4ee5\u53ca\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u5b9e\u73b0DRM\u4e13\u4e1a\u76d1\u542c\u4e0e\u63a5\u6536\u7684<a href=\"https:\/\/www.iis.fraunhofer.de\/zh\/ff\/amm\/broadcast-streaming\/multimediaplayer.html\">DRM MultimediaPlayer<\/a>\u3002<\/p>\n<p><!--more--><\/p>\n<p><strong>MPEG-H<\/strong><strong>\u6c89\u6d78\u5f0f\u97f3\u9891\u5c0f\u578b\u786c\u4ef6\u8bbe\u8ba1\u5168\u7403\u521d\u6b21\u4eae\u76f8<\/strong><\/p>\n<p>\u7531Fraunhofer IIS\u4e3b\u5bfc\u7814\u53d1\u7684ISO\u516c\u5f00\u6807\u51c6MPEG-H\u97f3\u9891\u662f\u8d85\u9ad8\u6e05\u7535\u89c6\u548c\u6d41\u5a92\u4f53\u9886\u57df\u6700\u4e3a\u524d\u6cbf\u7684\u97f3\u9891\u7cfb\u7edf\u3002\u72ec\u4e00\u65e0\u4e8c\u7684\u4ea4\u4e92\u6027\u529f\u80fd\u548c\u65e0\u4e0e\u4f26\u6bd4\u7684\u6c89\u6d78\u5f0f\u97f3\u6548\u4f7f\u5176\u5b8c\u7f8e\u9002\u914d\u4e8e4K\u548c8K\u8d85\u9ad8\u6e05\u89c6\u9891\u670d\u52a1\u548c5G\u7f51\u7edc\uff0c\u5e76\u5c06\u7528\u6237\u4f53\u9a8c\u63d0\u5347\u81f3\u5168\u65b0\u9ad8\u5ea6\u3002\u76ee\u524d\uff0cMPEG-H\u97f3\u9891\u5df2\u5165\u90093GPP\u3001ATSC 3.0\u548c DVB\u6807\u51c6\u5e76\u5df2\u5728\u7535\u89c6\u673a\u3001\u673a\u9876\u76d2\u3001\u9ad8\u7aef\u6761\u5f62\u97f3\u7bb1\u4ee5\u53ca\u667a\u80fd\u626c\u58f0\u5668\u7b49\u8bbe\u5907\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6b21CCBN\u671f\u95f4\uff0cFraunhofer IIS\u5c06\u9996\u6b21\u5c55\u793a\u652f\u6301\u4e86MPEG-H\u6280\u672f\u7684\u6c89\u6d78\u5f0f\u97f3\u9891\u5e73\u53f0\u8bbe\u8ba1\u65b9\u6848\uff0c\u4e3a\u56fd\u5185\u786c\u4ef6\u5382\u5546\u63d0\u4f9b\u65b0\u9896\u4e14\u5148\u8fdb\u7684\u8bbe\u8ba1\u601d\u8def\u3002\u51ed\u501f\u5355\u4e2a\u97f3\u7bb1\uff0c\u7528\u6237\u5728\u5bb6\u4e2d\u5c31\u53ef\u4ee5\u4f53\u9a8c\u8eab\u4e34\u5176\u5883\u7684\u6c89\u6d78\u5f0f\u97f3\u9891\u4e0e\u4e92\u52a8\u5f0f\u97f3\u6548\uff0c\u4e0e\u4f1a\u89c2\u4f17\u53ef\u4ee5\u5728\u5c55\u4f4d\u5904\u62a5\u540d\u53c2\u4e0e\u4f1a\u540e\u53c2\u89c2\u4f53\u9a8c\u6d3b\u52a8\u3002<\/p>\n<p><strong>\u7aef\u5230\u7aef\u5168\u94fe\u8def\u6570\u5b57\u5e7f\u64ad\u89e3\u51b3\u65b9\u6848\u4e2d\u56fd\u9996\u79c0<\/strong><\/p>\n<p>\u5728\u672c\u6b21CCBN\u671f\u95f4\uff0cFraunhofer IIS\u5c06\u8054\u5408\u4e2d\u56fd\u5408\u4f5c\u4f19\u4f34\u4e3a\u4e0e\u4f1a\u89c2\u4f17\u5e26\u6765\u4e86\u7aef\u5230\u7aef\u5168\u94fe\u8def\u6570\u5b57\u5e7f\u64ad\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<p>xHE-AAC\u662f\u6269\u5c55\u578bHE-AAC\u548cMPEG-D DRC\u7684\u7ed3\u5408\uff0c\u662f\u6700\u65b0\u4e00\u4ee3\u7684AAC\u7cfb\u5217\u7f16\u89e3\u7801\u5668\uff0c\u80fd\u591f\u5728\u4f4e\u6bd4\u7279\u7387\u4e0b\u5e26\u6765\u9ad8\u54c1\u8d28\u97f3\u9891\uff0c\u7acb\u4f53\u58f0\u53ef\u572812-500kbps\u8303\u56f4\u5185\u65e0\u7f1d\u5207\u6362\uff0c\u5177\u5907\u5f3a\u5236\u54cd\u5ea6\u548c\u52a8\u6001\u8303\u56f4\u63a7\u5236\u529f\u80fd\u3002xHE-AAC\u5df2\u88abNetflix\u5728\u5168\u7403\u8303\u56f4\u4f7f\u7528\uff0c\u82f9\u679c\u3001\u8c37\u6b4c\u548c\u4e9a\u9a6c\u900a\u4e5f\u5747\u5728\u5176\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u652f\u6301\u8be5\u7f16\u89e3\u7801\u5668\u3002Fraunhofer IIS\u5728\u53bb\u5e74\u5c06\u5176\u6388\u6743\u4e88\u5fae\u8f6f\u3002xHE-AAC\u89e3\u7801\u5668\u80fd\u591f\u8fd8\u653e\u6240\u6709AAC\u7248\u672c\u7f16\u7801\u7684\u5185\u5bb9\uff0c\u5305\u62ecAAC-LC, HE-AAC, HE-AACv2\u3002xHE-AAC\u4e13\u5229\u8bb8\u53ef\u5305\u542b\u5728Via Licensing AAC\u4e13\u5229\u8bb8\u53ef\u8ba1\u5212\u4e2d\uff0c\u4e0d\u6536\u53d6\u4efb\u4f55\u989d\u5916\u8d39\u7528\u3002\u6b64\u5916\uff0cFraunhofer\u63d0\u4f9b\u514d\u8d39\u7684xHE-AAC\u6d4b\u8bd5\u670d\u52a1\uff0c\u5e76\u4e3a\u6210\u529f\u901a\u8fc7\u8be5\u6d4b\u8bd5\u7684\u4ea7\u54c1\u6388\u6743\u5176xHE-AAC\u5546\u6807\u3002<\/p>\n<p>2013\u5e74\uff0c\u6570\u5b57\u5e7f\u64adDRM\uff08Digital Radio Mondiale\uff09\u6210\u4e3a\u4e86\u9996\u4e2a\u5c06xHE-AAC\u5217\u4e3a\u6307\u5b9a\u97f3\u9891\u7f16\u89e3\u7801\u5668\u7684\u6570\u5b57\u5e7f\u64ad\u6807\u51c6\u3002DRM\u5e7f\u64ad\u8fd0\u8425\u5546\u501f\u52a9xHE-AAC\u53ef\u4ee5\u5bf9\u6240\u6709\u7c7b\u578b\u7684\u5185\u5bb9\u4f7f\u7528\u540c\u4e00\u7f16\u89e3\u7801\u5668\uff0c\u8fd9\u5c06\u5927\u5e45\u7b80\u5316\u7f16\u89e3\u7801\u5668\u914d\u7f6e\u6d41\u7a0b\u3002\u6b64\u5916\uff0c\u968f\u7740\u7801\u7387\u7684\u964d\u4f4e\uff0c\u80fd\u591f\u4f53\u73b0\u6700\u4e3a\u9ad8\u6548\u7684\u7f16\u89e3\u7801\u6548\u7387\u5e76\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u97f3\u9891\u8282\u76ee\u3002<\/p>\n<p>Fraunhofer ContentServer\u662f\u4e13\u4e3a\u6570\u5b57\u5e7f\u64adDRM\u6807\u51c6\u5f00\u53d1\u7684\u7075\u6d3b\u4e14\u9ad8\u5ea6\u53ef\u9760\u7684\u4e13\u4e1a\u5e7f\u64ad\u7cfb\u7edf\u89e3\u51b3\u65b9\u6848\u3002\u7ed3\u5408\u4e86\u5185\u7f6e\u97f3\u9891\u7f16\u7801\u7684ContentServer\u80fd\u591f\u652f\u6301\u8fdc\u7a0b\u97f3\u9891\u7f16\u7801\u5668\u3001\u591a\u5a92\u4f53\u6570\u636e\u7ba1\u7406\u548c\u591a\u8def\u590d\u5408\u4fe1\u53f7\u751f\u6210\uff0c\u80fd\u591f\u5177\u6709\u5b8c\u6574\u7684\u5907\u4efd\u80fd\u529b\uff0c\u5e76\u9ad8\u5ea6\u96c6\u6210\u5230\u5de5\u4f5c\u5ba4\u81ea\u52a8\u5316\u6d41\u7a0b\u4e2d\u3002\u65e0\u8bba\u60a8\u662f\u793e\u533a\u7ad9\u3001\u5730\u65b9\u6216\u533a\u57df\u7684\u5e7f\u64ad\u7535\u89c6\u516c\u53f8\u8fd8\u662f\u7f51\u7edc\u63d0\u4f9b\u5546\uff0c\u8be5\u7cfb\u7edf\u7684\u529f\u80fd\u90fd\u53ef\u4ee5\u5145\u5206\u5730\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n<p>\u9ad8\u7ea7\u6587\u672c\u4fe1\u606f\u670d\u52a1Journaline\u80fd\u591f\u901a\u8fc7\u6570\u5b57\u5e7f\u64ad\u63d0\u4f9b\u514d\u8d39\u7684\u6587\u672c\u548c\u591a\u8bed\u8a00\u4fe1\u606f\u3002\u65e0\u8bba\u662f\u5f53\u524d\u8282\u76ee\u7684\u80cc\u666f\u4fe1\u606f\u3001\u5f53\u5730\u5929\u6c14\u9884\u62a5\u3001\u65b0\u95fb\u8fd8\u662f\u4f53\u80b2\u8d5b\u4e8b\u7ed3\u679c\uff0c\u7528\u6237\u90fd\u80fd\u591f\u901a\u8fc7\u6536\u97f3\u673a\u6216\u72ec\u7acb\u7684\u79fb\u52a8\u7f51\u7edc\u968f\u65f6\u8bbf\u95ee\u8fd9\u4e9b\u4fe1\u606f\u3002\u8fd9\u4e5f\u662f\u4ee4Journaline\u6210\u4e3aDRM\u5e94\u6025\u62a5\u8b66\u529f\u80fd\u7684\u6838\u5fc3\u7ec4\u4ef6\u7684\u539f\u56e0\u3002\u6b64\u5916\uff0cJournaline\u8fd8\u80fd\u591f\u5e26\u6765\u4e30\u5bcc\u7684\u5ef6\u5c55\u670d\u52a1\uff0c\u4f8b\u5982\u8fdc\u7a0b\u5e7f\u64ad\u6559\u80b2\u3001\u516c\u5171\u6570\u5b57\u5927\u5c4f\u7b49<\/p>\n<p>DRM\u5e94\u6025\u62a5\u8b66\u529f\u80fd\uff08Emergency Warning Functionality\uff09\u662f\u4e00\u79cd\u53ef\u9760\u4e14\u6613\u4e8e\u4f7f\u7528\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5728\u53d1\u751f\u707e\u96be\u548c\u7d27\u6025\u60c5\u51b5\u65f6\u5411\u516c\u4f17\u53d1\u51fa\u8b66\u62a5\u548c\u901a\u77e5\u3002\u6570\u5b57\u5e7f\u64ad\u4f20\u8f93\u62e5\u6709\u6210\u719f\u4e14\u7a33\u56fa\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u80fd\u591f\u5728\u8f83\u5927\u7684\u5e7f\u64ad\u8986\u76d6\u533a\u57df\u5185\u63d0\u4f9b\u53ef\u9760\u7684\u5e94\u6025\u8b66\u62a5\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6570\u5b57\u5e7f\u64ad\u4e0d\u4f9d\u8d56\u4e8e\u5730\u533a\u7684\u57fa\u7840\u8bbe\u65bd\u800c\u5b58\u5728\uff0c\u8fd9\u4e5f\u4f7f\u5f97\u5b83\u80fd\u591f\u8f7b\u677e\u8986\u76d6\u53d7\u707e\u5730\u533a\u3002DRM\u7684\u5e94\u6025\u62a5\u8b66\u529f\u80fd\u4e0e\u5df2\u7ecf\u5efa\u7acb\u7684\u56fd\u5bb6\u8b66\u62a5\u57fa\u7840\u8bbe\u65bd\u7d27\u5bc6\u7ed3\u5408\uff0c\u5305\u62ec\u652f\u6301\u516c\u5171\u8b66\u62a5\u534f\u8bae\uff08CAP\uff09\u3002<\/p>\n<p>DRM MultimediaPlayer\u5e7f\u64ad\u63a5\u6536\u5e94\u7528\u8f6f\u4ef6\u80fd\u591f\u5728\u667a\u80fd\u624b\u673a\u3001\u5e73\u677f\u7535\u8111\u548c\u4e2a\u4eba\u7535\u8111\u4e0a\u5b9e\u73b0DRM\u6570\u5b57\u5e7f\u64ad\u7684\u5168\u90e8\u529f\u80fd\u3002\u5b83\u7ed3\u5408\u4e86\u4fbf\u6377\u7684\u8282\u76ee\u9009\u62e9\u5e76\u5b8c\u5168\u652f\u6301DRM\u6570\u636e\u5e94\u7528\u4fe1\u4ee4\uff0c\u5176\u4e2d\u5305\u62ecJournaline\u548cxHE-AAC\u97f3\u9891\u8fd8\u653e\u7b49\u529f\u80fd\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>Header image: \u00a9 CCBN.cn<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2021\u5e745\u670824\u65e5\uff0c\u5317\u4eac\u2014\u2014CCBN\uff0c2303A\u5c55\u4f4d\uff0c\u4e16\u754c\u8457\u540d\u7684\u97f3\u9891\u53ca\u5a92\u4f53\u6280\u672f\u7814\u7a76\u673a\u6784Fraunhofer  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6816,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[154],"tags":[],"class_list":["post-6804","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\/6804"}],"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=6804"}],"version-history":[{"count":4,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/6804\/revisions"}],"predecessor-version":[{"id":6829,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/posts\/6804\/revisions\/6829"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media\/6816"}],"wp:attachment":[{"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/media?parent=6804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/categories?post=6804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/wp-json\/wp\/v2\/tags?post=6804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}