{"id":9128,"date":"2025-05-21T12:16:19","date_gmt":"2025-05-21T10:16:19","guid":{"rendered":"https:\/\/www.audioblog.iis.fraunhofer.com\/?p=9128"},"modified":"2025-05-21T15:51:22","modified_gmt":"2025-05-21T13:51:22","slug":"mwc-shanghai-2025","status":"publish","type":"post","link":"https:\/\/www.audioblog.iis.fraunhofer.com\/cn\/mwc-shanghai-2025","title":{"rendered":"\u5728 2025 \u5e74\u4e16\u754c\u79fb\u52a8\u901a\u4fe1\u5927\u4f1a\uff08\u4e0a\u6d77\uff09\u4e0a\u5c55\u793a\u672a\u6765\u7684\u97f3\u9891\u6280\u672f"},"content":{"rendered":"

\u4e16\u754c\u79fb\u52a8\u901a\u4fe1\u5927\u4f1a\uff08MWC\uff09\u4e0a\u6d77\u7ad9\u5373\u5c06\u5f00\u5e55\uff0c Fraunhofer IIS\u5c06\u4e00\u5982\u65e2\u5f80\u5730\u5c55\u793a\u6700\u65b0\u7684\u97f3\u9891\u6280\u672f\u3002\u5728\u5f80\u5c4a\u5c55\u4f1a\u53d6\u5f97\u7684\u5353\u8d8a\u6210\u679c\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u5c06\u4e8e 6 \u6708 18 \u65e5\u81f3 20 \u65e5\u5728\u4e0a\u6d77 N2 \u5385 D82 \u5c55\u53f0\u5c55\u793a\u91cd\u5851\u97f3\u9891\u4f53\u9a8c\u7684\u521b\u65b0\u6280\u672f\u3002<\/strong><\/p>\n

IVAS<\/strong>\uff1a\u6c89\u6d78\u5f0f\u8bed\u97f3\u548c\u97f3\u9891\u670d\u52a1<\/strong><\/p>\n

\u6c89\u6d78\u5f0f\u8bed\u97f3\u548c\u97f3\u9891\u670d\u52a1\uff08IVAS\uff09\u6301\u7eed\u63a8\u52a8\u7740\u97f3\u9891\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5b83\u662f\u901a\u8fc7\u7535\u8bdd\u8fde\u63a5\u4f20\u8f933D \u97f3\u9891\u7684\u6280\u672f\u3002\u5728\u5c55\u53f0\u4e0a\uff0c\u6211\u4eec\u5c06\u5c55\u793a\u6709\u7740\u65e0\u4e0e\u4f26\u6bd4\u7684\u97f3\u9891\u8d28\u91cf\u548c\u975e\u51e1\u7528\u6237\u4f53\u9a8c\u7684\u5b9e\u65f6\u901a\u8bdd\u3002\u53c2\u89c2\u8005\u5c06\u6709\u673a\u4f1a\u4eb2\u8eab\u4f53\u9a8c IVAS\u5982\u4f55\u589e\u5f3a\u901a\u4fe1\u548c\u5a31\u4e50\u4f53\u9a8c\u3002<\/p>\n

IVAS \u662f\u5168\u65b0\u7684 3GPP \u8bed\u97f3\u7f16\u89e3\u7801\u5668\uff0c\u53ef\u5728\u901a\u8bdd\u548c\u4f1a\u8bae\u671f\u95f4\u63d0\u4f9b\u8eab\u4e34\u5176\u5883\u7684\u97f3\u9891\u4f53\u9a8c\u3002\u8be5\u7f16\u89e3\u7801\u5668\u4e13\u4e3a\u79fb\u52a8\u901a\u4fe1\u8bbe\u8ba1\uff0c\u7ecf\u4f18\u5316\u53ef\u5b9e\u73b0\u9ad8\u6548\u538b\u7f29\u3001\u4f4e\u590d\u6742\u5ea6\u548c\u6700\u5c0f\u5ef6\u8fdf\u3002\u5b83\u652f\u6301\u591a\u79cd\u97f3\u9891\u683c\u5f0f\uff0c\u4ece\u5355\u58f0\u9053\u548c\u7acb\u4f53\u58f0\u5230\u5404\u79cd\u8eab\u4e34\u5176\u5883\u7684\u683c\u5f0f\uff0c\u5982\u591a\u58f0\u9053\u3001Ambisonics\u3001\u57fa\u4e8e\u5bf9\u8c61\u7684\u97f3\u9891\u548c\u5143\u6570\u636e\u8f85\u52a9\u7a7a\u95f4\u97f3\u9891\uff08MASA\uff09\u3002IVAS \u5177\u6709\u5148\u8fdb\u7684\u6e32\u67d3\u529f\u80fd\uff0c\u53ef\u7528\u4e8e\u5404\u79cd\u8bbe\u5907\uff0c\u5305\u62ec\u8033\u673a\u3001\u8f66\u8f7d\u626c\u58f0\u5668\u3001Soundbar\u548c VR \u5934\u6234\u5f0f\u8bbe\u5907\uff0c\u4ece\u800c\u63d0\u4f9b\u6c89\u6d78\u5f0f\u548c\u4ea4\u4e92\u5f0f\u97f3\u9891\u4f53\u9a8c\u3002<\/p>\n

\u57fa\u4e8e upHear \u4eba\u5de5\u667a\u80fd\u7684\u5b9e\u65f6\u5361\u62c9 OK\u4eba\u58f0\u6d88\u9664\u6f14\u793a<\/strong><\/p>\n

\u5728\u6211\u4eec\u7684\u5c55\u53f0\u4e0a\uff0c<\/span>upHear <\/span>\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u4eba\u58f0\u6d88\u9664\u6280\u672f\u5c06\u4e3a\u60a8\u5e26\u6765\u5b9e\u65f6\u5361\u62c9<\/span>OK<\/span>\u6f14\u793a\u4f53\u9a8c\u3002\u8be5\u6f14\u793a\u4ee5\u5c16\u7aef\u7684\u4eba\u5de5\u667a\u80fd\u97f3\u4e50\u63d0\u53d6\u7b97\u6cd5\u4e3a\u57fa\u7840\uff0c\u8ba9\u7528\u6237\u4eab\u53d7\u5361\u62c9<\/span> OK <\/span>\u5e26\u6765\u7684\u4e50\u8da3\u3002\u5b83\u5c06\u5c55\u793a<\/span>upHear<\/span>\u6280\u672f\u5bf9\u7528\u6237\u7684\u53cb\u597d\u6027\u548c\u591a\u529f\u80fd\u6027\uff1a \u7528\u6237\u53ef\u4ee5\u4ece\u7cbe\u9009\u5217\u8868\u4e2d\u9009\u62e9\u6b4c\u66f2\uff0c\u6216\u5c06\u97f3\u4e50\u4e0e\u4eba\u58f0\u5206\u79bb\u5e76\u5355\u72ec\u9009\u62e9\u5668\u4e50\u97f3\u8f68\u3002\u97f3\u9891\u7ecf\u8fc7\u8fd1\u4e4e\u5b9e\u65f6\u7684\u5904\u7406\uff0c\u5c06\u5ef6\u8fdf\u964d\u5230\u6700\u4f4e\u4fbf\u53ef\u63d0\u4f9b\u65e0\u7f1d\u7684\u5361\u62c9<\/span> OK <\/span>\u4f53\u9a8c\u3002\u65e0\u8bba\u662f\u5728\u5bb6\u91cc\u7684\u7535\u89c6\u673a\u524d\uff0c\u5728\u5916\u51fa\u65f6\u7684\u4fbf\u643a\u5f0f\u626c\u58f0\u5668\u4e0a\uff0c\u8fd8\u662f\u5728\u6c7d\u8f66\u91cc\uff0c\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684<\/span> upHear<\/span>\u4eba\u58f0\u6d88\u9664\u6280\u672f\u90fd\u662f\u968f\u65f6\u968f\u5730\u8f7b\u677e\u4eab\u53d7\u5361\u62c9<\/span> OK <\/span>\u7684\u7edd\u4f73\u89e3\u51b3\u65b9\u6848\u3002<\/span><\/p>\n

upHear \u4e2a\u6027\u5316\u8bed\u97f3\u9694\u79bb\uff1a \u52a0\u5f3a\u6c9f\u901a\u7684\u7406\u60f3\u5de5\u5177<\/strong><\/p>\n

\u9664\u4e86\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684 upHear \u6b4c\u58f0\u6d88\u9664\u6280\u672f\u4ee5\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u5c55\u793a upHear \u97f3\u9891\u5904\u7406\u89e3\u51b3\u65b9\u6848\u7684\u5176\u4ed6\u6280\u672f\u3002\u5176\u4e2d\u5305\u62ec upHear \u4e2a\u6027\u5316\u8bed\u97f3\u5206\u79bb\u6280\u672f\uff1a \u5728\u4e00\u4e2a\u540c\u65f6\u62e5\u6709\u591a\u4e2a\u5bf9\u8bdd\u7684\u623f\u95f4\u8fdb\u884c\u5728\u7ebf\u4f1a\u8bae\u53ef\u80fd\u4f1a\u7ed9\u4e3b\u53eb\u65b9\u548c\u5176\u4ed6\u53c2\u4e0e\u8005\u5e26\u6765\u5e72\u6270\u3002\u5728\u6211\u4eec\u7684\u5c55\u53f0\u4e0a\uff0c\u53c2\u89c2\u8005\u53ef\u4ee5\u4f53\u9a8c\u5230 upHear \u4e2a\u6027\u5316\u8bed\u97f3\u5206\u79bb\u662f\u5982\u4f55\u5220\u9664\u901a\u8bdd\u4e2d\u9664\u4e3b\u53eb\u65b9\u4e4b\u5916\u7684\u6240\u6709\u58f0\u97f3\uff0c\u4ee5\u786e\u4fdd\u66f4\u6109\u5feb\u7684\u901a\u8bdd\u4f53\u9a8c\u3002\u8fd9\u4e5f\u4f7f\u5176\u6210\u4e3a\u901a\u4fe1\u3001\u4f1a\u8bae\u548c\u5f55\u97f3\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n

xHE-AAC – <\/strong>\u6d41\u5a92\u4f53\u548c\u4fe1\u606f\u65f6\u4ee3\u7684\u5b8c\u7f8e\u97f3\u8d28\u4f53\u73b0<\/strong><\/p>\n

xHE-AAC \u662fAAC \u7f16\u89e3\u7801\u5668\u7cfb\u5217\u7684\u6700\u65b0\u6210\u5458\uff0c\u4e3a\u4e2d\u56fd\u53ca\u5176\u4ed6\u5730\u533a\u7684\u6d41\u5a92\u4f53\u548c\u4fe1\u606f\u4f20\u8f93\u8bbe\u5b9a\u4e86\u65b0\u6807\u6746\u3002
\n\u65e0\u8bba\u60a8\u63d0\u4f9b\u7684\u662f\u97f3\u4e50\u3001\u7535\u5f71\u3001\u6709\u58f0\u8bfb\u7269\u8fd8\u662f\u64ad\u5ba2\uff0c\u5373\u4f7f\u5728\u6781\u4f4e\u6bd4\u7279\u7387\u4e0bxHE-AAC \u90fd\u80fd\u786e\u4fdd\u6e05\u6670\u7684\u97f3\u8d28\u3002\u5b83\u5177\u5907\u81ea\u9002\u5e94\u6bd4\u7279\u7387\u6d41\u4f20\u8f93\u529f\u80fd\uff0c\u652f\u6301\u4ece12 kbit\/s \u5230 320 kbit\/s \u7684\u7acb\u4f53\u58f0\u4f20\u8f93\uff0c\u65e0\u8bba\u7f51\u7edc\u72b6\u51b5\u5982\u4f55\uff0cxHE-AAC\u90fd\u80fd\u786e\u4fdd\u65e0\u7f1d\u7684\u64ad\u653e\uff0c\u662f\u5185\u5bb9\u5e73\u53f0\u548c\u79fb\u52a8\u7f51\u7edc\u7684\u7406\u60f3\u89e3\u51b3\u65b9\u6848\u3002\u4e0e\u4f20\u7edf\u7f16\u89e3\u7801\u5668\u76f8\u6bd4\uff0cxHE-AAC \u901a\u8fc7\u589e\u5f3a\u7acb\u4f53\u58f0\u6210\u50cf\u548c\u8bed\u97f3\u6e05\u6670\u5ea6\uff0c\u4ee5\u53ca\u5728\u4f4e\u6bd4\u7279\u7387\u4e0b\u7684\u5353\u8d8a\u6027\u80fd\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u97f3\u8d28\u4e0a\u7684\u5de8\u5927\u98de\u8dc3\u3002\u5185\u7f6e\u7684\u54cd\u5ea6\u5f52\u4e00\u5316\u548c\u52a8\u6001\u8303\u56f4\u63a7\u5236\u53ef\u786e\u4fdd\u7528\u6237\u5728\u6240\u6709\u8bbe\u5907\u548c\u542c\u97f3\u73af\u5883\u4e2d\u83b7\u5f97\u4e00\u81f4\u7684\u4f53\u9a8c\u3002<\/p>\n

\u73b0\u5728\uff0cxHE-AAC \u5df2\u6210\u4e3a GSMA RCS Universal Profile 3.0 \u4e2d\u97f3\u9891\u6d88\u606f\u7684\u5f3a\u5236\u97f3\u9891\u7f16\u89e3\u7801\u5668\u3002\u51ed\u501f\u7acb\u4f53\u58f0\u652f\u6301\u548c\u5353\u8d8a\u7684\u97f3\u8d28\uff0cxHE-AAC\u4f7f RCS \u5a92\u4f53\u5171\u4eab\u548c\u97f3\u9891\u6d88\u606f\uff08\u5728\u4e2d\u56fd\u88ab\u79f0\u4e3a 5G \u6d88\u606f\uff09\u53d8\u5f97\u66f4\u52a0\u73b0\u4ee3\u548c\u6e05\u6670\uff0c\u4e14\u6ee1\u8db3\u672a\u6765\u7684\u9700\u6c42\u3002<\/p>\n

\u901a\u8fc7<\/strong> GEO <\/strong>\u548c<\/strong> LEO <\/strong>\u536b\u661f\u8fdb\u884c\u5927\u89c4\u6a21<\/strong> D2D <\/strong>\u8bed\u97f3\u548c\u89c6\u9891\u901a\u8bdd<\/strong><\/p>\n

\u5168\u65b0\u4e00\u4ee3\u8bed\u97f3\u7f16\u89e3\u7801\u5668\u5e94\u7528\u4e86\u5148\u8fdb\u7684\u4eba\u5de5\u667a\u80fd\u6280\u672f\uff0c\u6b64\u4e3e\u663e\u8457\u964d\u4f4e\u4e86\u5b9e\u73b0\u826f\u597d\u97f3\u9891\u8d28\u91cf\u6240\u9700\u7684\u6bd4\u7279\u7387\u3002\u4f7f\u7528 GEO \u536b\u661f\u7684\u79fb\u52a8\u8fd0\u8425\u5546\u548c\u536b\u661f\u5382\u5546\u80fd\u591f\u51ed\u501f\u8be5\u6280\u672f\u63d0\u4f9b\u53ef\u9760\u7684 D2D \uff08\u8bbe\u5907\u5230\u8bbe\u5907\uff09\u8bed\u97f3\u670d\u52a1\uff0c\u5176\u97f3\u9891\u8d28\u91cf\u53ef\u8ddf\u5730\u9762\u547c\u53eb\u76f8\u5ab2\u7f8e\u3002\u4e0e\u6b64\u540c\u65f6\uff0cLEO\u536b\u661f\u8fd0\u8425\u5546\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8be5\u6280\u672f\u5927\u89c4\u6a21\u4e14\u7ecf\u6d4e\u9ad8\u6548\u5730\u90e8\u7f72\u536b\u661f\u8bed\u97f3\u670d\u52a1\uff0c\u5e76\u4ece\u4e2d\u53d7\u76ca\u3002<\/p>\n

\u6700\u65b0\u7684\u4eba\u5de5\u667a\u80fd\u89c6\u9891\u7f16\u89e3\u7801\u5668\u5373\u5c06\u5728\u975e\u5730\u9762\u7f51\u7edc\uff08NTN\uff09\u4e0a\u5b9e\u73b0 D2D \u89c6\u9891\u901a\u8bdd\u3002<\/p>\n

LC3\/LC3plus<\/strong>\uff1a\u9002\u7528\u4e8e\u6574\u4e2a\u901a\u4fe1\u751f\u6001\u7cfb\u7edf\u7684\u9ad8\u54c1\u8d28\u97f3\u9891<\/strong><\/p>\n

LC3plus \u662f\u4e1a\u754c\u9886\u5148\u7684\u65e0\u7ebf\u97f3\u9891\u7f16\u89e3\u7801\u5668\uff0c\u53ef\u8ba9\u60a8\u5728\u6700\u4f4e\u7684\u5ef6\u8fdf\u4e0b\u4eab\u53d7\u51fa\u8272\u7684\u97f3\u8d28\u3002\u8be5\u6280\u672f\u7684\u4f4e\u590d\u6742\u6027\u53ef\u6ee1\u8db3\u84dd\u7259\u3001DECT \u548c VoIP \u7ec8\u7aef\u7b49\u65e0\u7ebf\u901a\u4fe1\u5e73\u53f0\u7684\u8981\u6c42\u3002\u7531\u4e8e\u5ef6\u8fdf\u6781\u4f4e\uff0cLC3plus \u662f\u9ad8\u7aef\u6e38\u620f\u8033\u673a\u3001\u5361\u62c9 OK \u673a\u548c\u97f3\u9891\u7cfb\u7edf\u7684\u6700\u4f73\u9009\u62e9\u3002LC3plus \u5df2\u83b7\u5f97\u65e5\u672c\u97f3\u9891\u534f\u4f1a\u9ad8\u4fdd\u771f\u97f3\u9891\u6807\u5fd7\u3002<\/p>\n

\u5728 MWC \u4e0a\uff0c\u6211\u4eec\u5c06\u5c55\u793a LC3plus Lossless\u529f\u80fd\uff0c\u5b83\u652f\u6301\u5728\u65e0\u635f\u548c\u6709\u635f\u5de5\u4f5c\u6a21\u5f0f\u4e4b\u95f4\u65e0\u7f1d\u5207\u6362\uff0c\u786e\u4fdd\u59cb\u7ec8\u5982\u4e00\u7684\u826f\u597d\u7528\u6237\u4f53\u9a8c\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u5c55\u793a AKG N5 Hybrid \u8033\u585e\u548c\u7d22\u5c3c ECM-S1 \u6d41\u5a92\u4f53\u9ea6\u514b\u98ce\u7b49\u6d88\u8d39\u7535\u5b50\u8bbe\u5907\u5bf9\u4e8e\u8be5\u6280\u672f\u7684\u6700\u65b0\u5e94\u7528\u3002<\/p>\n

 <\/p>\n

#\u6b22\u8fce\u53c2\u52a0 MWC \u4e0a\u6d77\u5c55\u4f1a\uff0c\u8385\u4e34\u4f4d\u4e8e N2 \u5c55\u5385\u7684 D82 \u5c55\u53f0\u7684Fraunhofer IIS\u5c55\u4f4d\uff0c\u4f53\u9a8c\u7531\u521b\u65b0\u6280\u672f\u4e0e\u4ea7\u54c1\u7f14\u9020\u7684\u97f3\u9891\u6280\u672f\u7684\u672a\u6765\u3002\u5fb7\u56fd\u4e13\u5bb6\u56e2\u961f\u5c06\u5728\u73b0\u573a\u63d0\u4f9b\u6280\u672f\u6f14\u793a\u5e76\u4e3a\u60a8\u7b54\u7591\u89e3\u60d1\u3002\u671f\u5f85\u60a8\u7684\u5149\u4e34\uff01<\/p>\n

 <\/p>\n

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