{"id":8082,"date":"2023-02-28T20:19:22","date_gmt":"2023-02-28T18:19:22","guid":{"rendered":"https:\/\/www.audioblog.iis.fraunhofer.com\/?p=8082"},"modified":"2023-02-28T20:19:22","modified_gmt":"2023-02-28T18:19:22","slug":"mwc-2023","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/mwc-2023","title":{"rendered":"\u57282023\u5e74\u5df4\u5c55\u4e0a\u6df1\u5165\u4e86\u89e3\u4e92\u8054\u751f\u6001\u7cfb\u7edf"},"content":{"rendered":"

\u5efa\u7acb\u8054\u7cfb\u662f\u4eba\u7c7b\u7684\u672c\u6027\u300221\u4e16\u7eaa\u79fb\u52a8\u6280\u672f\u4ea7\u4e1a\u6700\u91cd\u8981\u7684\u4e8b\u4ef6\u4e4b\u4e00\u4fbf\u662f\u53d1\u73b0\u4e92\u8054\u7684\u591a\u9762\u6027\u3002<\/strong><\/p>\n

\u4e16\u754c\u79fb\u52a8\u901a\u4fe1\u5927\u4f1a(MWC)\u5c06\u4e8e2\u670828\u65e5\u81f33\u67083\u65e5\u4e3e\u884c\uff0c\u5c4a\u65f6\uff0c\u5168\u7403\u901a\u4fe1\u4ea7\u4e1a\u7684\u76ee\u5149\u5c06\u6295\u5411\u5df4\u585e\u7f57\u90a3\u3002Fraunhofer IIS\u5982\u7ea6\u800c\u81f3\uff0c\u5e76\u5411\u4e16\u754c\u5404\u5730\u7684\u4f01\u4e1a\u3001\u4e13\u5bb6\u548c\u7231\u597d\u8005\u5c55\u793a\u6211\u4eec\u7684\u6280\u672f\u521b\u65b0\u3002<\/p>\n

\u6b22\u8fce\u53c2\u89c2\u6211\u4eec\u4f4d\u4e8e7\u53f7\u9986\u76847G31\u5c55\u4f4d\uff0c\u4e86\u89e3\u6700\u65b0\u76845G\u89e3\u51b3\u65b9\u6848\u53ca\u5176\u5e94\u7528\uff0c\u4ece6G\u5173\u952e\u6280\u672f\u4e2d\u6355\u83b7\u7075\u611f\uff0c\u5e76\u901a\u8fc7\u79fb\u52a8\u8bbe\u5907\u3001\u65e0\u7ebf\u8033\u673a\u548c\u6761\u5f62\u97f3\u7bb1\u9886\u7565\u5353\u8d8a\u7684\u6c89\u6d78\u5f0f\u548c\u4e2a\u6027\u5316\u58f0\u97f3\u3002\u4f53\u9a8c\u901a\u8fc7\u4eba\u5de5\u667a\u80fd\u4f4e\u590d\u6742\u5ea6\u97f3\u9891\u7b97\u6cd5\u8fc7\u6ee4\u97f3\u89c6\u9891\u901a\u8bdd\u7684\u5e72\u6270\u548c\u566a\u97f3\u3002<\/p>\n

upHear\u97f3\u9891\u5904\u7406\u6280\u672f<\/strong><\/p>\n

\u57fa\u4e8eAI\u7b97\u6cd5\u7684upHear\u9ea6\u514b\u98ce\u5904\u7406\u6280\u672f\u65e8\u5728\u663e\u8457\u63d0\u9ad8\u4e13\u4e1a\u548c\u6d88\u8d39\u8bbe\u5907\u7684\u8bed\u97f3\u6355\u83b7\u80fd\u529b\u3002\u8be5\u6280\u672f\u9002\u7528\u4e8e\u8bf8\u5982\u79fb\u52a8\u8bbe\u5907\u3001\u8fd0\u52a8\/\u5168\u666f\u76f8\u673a\u3001\u667a\u80fd\u626c\u58f0\u5668\u548c\u6761\u5f62\u97f3\u7bb1\u7b49\u8bbe\u5907\u7684\u5185\u7f6e\u626c\u58f0\u5668\u3002\u5b83\u80fd\u591f\u4ece\u9ea6\u514b\u98ce\u4fe1\u53f7\u4e2d\u53bb\u9664\u4e0d\u5fc5\u8981\u7684\u566a\u97f3\u3001\u5e72\u6270\u58f0\u548c\u6df7\u54cd\u3002\u5373\u4f7f\u5728\u82db\u523b\u7684\u58f0\u5b66\u73af\u5883\u4e2d\uff0c\u4e5f\u80fd\u63d0\u53d6\u6240\u9700\u7684\u58f0\u97f3\uff0c\u5982\u8bed\u97f3\u548c\u97f3\u4e50\u3002\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684AI\u964d\u566a\u7b97\u6cd5\uff0c\u53ef\u4ee5\u63d0\u53d6\u8bed\u97f3\uff0c\u540c\u65f6\u6291\u5236\u5728\u5ba4\u5185\u548c\u5ba4\u5916\u73af\u5883\u4e2d\u97f3\u9891\u901a\u8bdd\u548c\u89c6\u9891\u5f55\u5236\u8fc7\u7a0b\u53ef\u80fd\u51fa\u73b0\u7684\u591a\u79cd\u566a\u58f0\u3002<\/p>\n

upHear\u8bed\u97f3\u8d28\u91cf\u589e\u5f3a\u662f\u8be5\u6280\u672f\u7684\u5ef6\u4f38\uff0c\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u5185\u7f6e\u9ea6\u514b\u98ce\u5b9e\u73b0\u4eba\u673a\u4ea4\u4e92\u548c\u514d\u63d0\u5168\u53cc\u5de5\u8bed\u97f3\u901a\u4fe1\u3002<\/p>\n

MPEG-H\u4e3a\u5e7f\u64ad\u548c\u6d41\u5a92\u4f53\u5e26\u6765\u4e2a\u6027\u5316\u548c\u6c89\u6d78\u5f0f\u97f3\u9891\u4f53\u9a8c<\/strong><\/p>\n

MPEG-H\u97f3\u9891\u4f7f\u4e0b\u4e00\u4ee3\u97f3\u9891\u6210\u4e3a\u73b0\u5b9e\uff0c\u5b9e\u73b0\u4e86\u590d\u6742\u7684\u5e7f\u64ad\u548c\u6d41\u5a92\u4f53\u529f\u80fd\u5e76\u5305\u542b\u8bb8\u591a\u521b\u65b0\u5e94\u7528\u3002\u5b83\u662f\u652f\u6301\u5b9a\u5236\u5316\u7528\u6237\u4f53\u9a8c\u7684\u97f3\u9891\u6280\u672f\uff0c\u73b0\u5df2\u5728\u5df4\u897f\u548c\u97e9\u56fd\u5168\u5929\u5019\u64ad\u51fa\u3002\u5b83\u4e5f\u662fAmazon Music Unlimited\u3001Tidal\u548c\u5176\u4ed6360 Reality Audio\u6c89\u6d78\u5f0f\u97f3\u4e50\u6d41\u5a92\u4f53\u670d\u52a1\u7684\u57fa\u7840\u3002\u60a8\u80fd\u5728MWC\u4e0a\u4eb2\u8eab\u4f53\u9a8c\uff0cMPEG-H\u97f3\u9891\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u521b\u9020\u7684\u5353\u8d8a\u3001\u6c89\u6d78\u5f0f\u548c\u4e2a\u6027\u5316\u7684\u58f0\u97f3\u3002<\/p>\n

Fraunhofer Cingo\uff1a\u8033\u673a\u4e0a\u7684\u6c89\u6d78\u58f0<\/strong><\/p>\n

Cingo\u80fd\u591f\u4e3a\u8033\u673a\u5e26\u6765\u8eab\u4e34\u5176\u5883\u7684\u58f0\u97f3\u4f53\u9a8c\u3002\u96c6\u6210\u8fdbDSP\u7684\u6838\u5fc3\u95ee\u9898\u5728\u4e8e\u5904\u7406\u80fd\u529b\u548c\u80fd\u8017\uff0cCingo\u51ed\u501f\u5176\u4e00\u6d41\u7684\u97f3\u9891\u8d28\u91cf\u548c\u4fbf\u6377\u7684\u786c\u4ef6\u5b9e\u73b0\uff0c\u6210\u4e3a\u4e86\u96c6\u6210\u5728\u79fb\u52a8\u8bbe\u5907\u548c\u8033\u673aDSP\u7684\u6700\u4f73\u89e3\u51b3\u65b9\u6848\u3002\u914d\u5408\u5934\u90e8\u8ffd\u8e2a\u6570\u636e\uff0cCingo\u53ef\u4ee5\u521b\u9020\u66f4\u52a0\u903c\u771f\u7684\u58f0\u97f3\u4f53\u9a8c\u3002\u4f5c\u4e3a\u5148\u8fdb\u7684\u53cc\u8033\u6e32\u67d3\u5668\uff0cCingo\u662f\u4e0b\u4e00\u4ee3\u97f3\u9891\u7f16\u89e3\u7801\u5668(\u5982MPEG-H\u97f3\u9891)\u7684\u7406\u60f3\u4f34\u4fa3\u3002\u5728\u6211\u4eec\u7684\u5c55\u4f4d\u4e0a\uff0c\u60a8\u53ef\u4ee5\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u4f53\u9a8cCingo\u4e92\u52a8\u6f14\u793a\uff0c\u5e76\u8fd8\u653eMPEG-H\u5185\u5bb9\u3002<\/p>\n

LC3\/LC3plus\uff1a\u7528\u4e8e\u84dd\u7259\u3001VOIP\u548cDECT\u7684\u9ad8\u54c1\u8d28\u97f3\u9891\u6280\u672f<\/strong><\/p>\n

\u5168\u65b0\u7684LC3\u548cLC3plus\u97f3\u9891\u7f16\u89e3\u7801\u5668\u89e3\u51b3\u4e86\u65e0\u7ebf\u901a\u4fe1\u5e73\u53f0\u5b58\u5728\u7684\u7f3a\u9677\u3002\u4e0e\u4f20\u7edf\u7f16\u89e3\u7801\u5668\u76f8\u6bd4\uff0cLC3\u548cLC3plus\u80fd\u591f\u5c06\u6240\u9700\u6bd4\u7279\u7387\u964d\u4f4e\u7ea650\uff05\uff0c\u5176\u8282\u80fd\u670d\u52a1\u53ef\u5ef6\u957f\u7535\u6c60\u7eed\u822a\u65f6\u95f4\u5e76\u51cf\u5c0f\u4ea7\u54c1\u4f53\u79ef\u3002\u8be5\u7f16\u89e3\u7801\u5668\u7684\u5e94\u7528\u4e0d\u4ec5\u9650\u4e8e\u8bed\u97f3\u670d\u52a1\uff0c\u8fd8\u53ef\u4ee5\u6269\u5c55\u5230\u9ad8\u91c7\u6837\u7387\u97f3\u4e50\u6d41\u5a92\u4f53\u3002\u540c\u65f6\uff0c\u8be5\u7f16\u89e3\u7801\u5668\u5177\u5907\u4f4e\u7f16\u7801\u5ef6\u8fdf\u3001\u4f4e\u8ba1\u7b97\u590d\u6742\u5ea6\u7684\u7279\u6027\u5e76\u62e5\u6709\u8f83\u5c0f\u7684\u5185\u5b58\u9700\u6c42\u3002\u6700\u8fd1\uff0cLC3plus\u521a\u521a\u83b7\u5f97\u4e86\u7531\u65e5\u672c\u97f3\u9891\u534f\u4f1a\u8ba4\u8bc1\u7684\u65e0\u7ebf\u9ad8\u91c7\u6837\u7387\u97f3\u9891\u6807\u5fd7\u3002<\/p>\n

\u544a\u522b\u4e2d\u65ad\u6216\u7f13\u51b2\u7684\u97f3\u9891\u548c\u89c6\u9891\u6d41\uff1axHE-AAC<\/strong><\/p>\n

xHE-AAC\u662fAAC\u7f16\u89e3\u7801\u5668\u7cfb\u5217\u7684\u6700\u65b0\u4e00\u4ee3\u6280\u672f\uff0c\u662f\u5f53\u4eca\u97f3\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u7684\u7406\u60f3\u89e3\u51b3\u65b9\u6848\uff0c\u9002\u7528\u4e8e\u7535\u5f71\u3001\u97f3\u4e50\u3001\u6709\u58f0\u8bfb\u7269\u3001\u64ad\u5ba2\u548c\u6570\u5b57\u5e7f\u64ad\u3002\u5176\u7acb\u4f53\u58f0\u6bd4\u7279\u7387\u8303\u56f4\u4ece12 kbit\/s\u5230500 kbit\/s\uff0c\u4ece\u800c\u6539\u5584\u4e86\u8bed\u97f3\u8d28\u91cf\u548c\u7acb\u4f53\u58f0\u6548\u679c\u3002\u76ee\u524d\uff0cAndroid\u3001Fire OS\u3001iOS\u548cWindows\u5df2\u539f\u751f\u652f\u6301xHE-AAC\u89e3\u7801\u3002\u5948\u98de\u548cFacebook\u4e5f\u5df2\u83b7\u5f97xHE-AAC\u7684\u7f16\u7801\u5668\u6388\u6743\u3002\u5728MWC 2023\u4e0a\uff0c\u6211\u4eec\u5c06\u5c55\u793axHE-AAC\u7f16\u7801\u7684\u6700\u65b0\u529f\u80fd\uff1a\u5b9e\u65f6\u81ea\u52a8\u54cd\u5ea6\u3002\u8be5\u529f\u80fd\u662f\u5f53\u524d\u57fa\u4e8e\u6587\u4ef6\u7f16\u7801\u7684\u6269\u5145\uff0c\u5e76\u53ef\u7528\u4e8e\u5b9e\u65f6\u76f4\u64ad\u548c\u6d3b\u52a8\u4e2d\u3002<\/p>\n

\u5b9e\u73b0\u5e76\u8d85\u8d8a\u5148\u8fdb\u76845G\u6280\u672f\u7684\u5173\u952e<\/strong><\/p>\n

Fraunhofer IIS\u662f\u56fd\u9645\u516c\u8ba4\u76845G\u6280\u672f\u53ca\u5176\u5e94\u7528\u7684\u5408\u4f5c\u4f19\u4f34\u3002\u8fd1\u5e74\u6765\uff0c\u6211\u4eec\u9996\u6b21\u5728\u5168\u7403\u8303\u56f4\u5185\u5c55\u793a\u4e86\u57fa\u4e8e5G\u7684RAT\u5ba4\u5185\u5b9a\u4f4d\u4ee5\u53ca\u536b\u661f\u901a\u4fe1\u7684\u96c6\u6210\u3002\u6b22\u8fce\u6765\u6211\u4eec\u7684\u5c55\u4f4d\u4e86\u89e3\u66f4\u591a\u5173\u4e8e5G\u5148\u8fdb\u7684\u4fe1\u606f\uff1a\u4ece\u6c7d\u8f66\u5e94\u7528\u3001\u536b\u661f\u901a\u4fe1\u3001\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u5230\u5177\u5907\u8fb9\u7f18\u8ba1\u7b97\u7684\u4e13\u7528\u7f51\u7edc\u3002<\/p>\n

\u867d\u71365G\u6280\u672f\u7684\u5b9e\u65bd\u4ecd\u5728\u5168\u9762\u5c55\u5f00\uff0c\u4f46\u6211\u4eec\u5df2\u7ecf\u4e3a6G\u94fa\u5e73\u4e86\u9053\u8def\u3002\u6b22\u8fce\u6765\u5230\u6211\u4eec\u5c55\u4f4d\u4f53\u9a8c6G SENTINEL\u9879\u76ee\u6f14\u793a\uff0c\u7aa5\u63a2\u672a\u6765\u4e16\u754c\u7684\u8fde\u63a5\u3002<\/p>\n

 <\/p>\n

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\u671f\u5f85\u4e0e\u60a8\u76f8\u805a\u5df4\u585e\u7f57\u90a3\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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