{"id":8469,"date":"2021-12-22T11:52:41","date_gmt":"2021-12-22T09:52:41","guid":{"rendered":"https:\/\/sevana.biz\/2021\/12\/22\/%e8%a2%ab%e5%8a%a8%e5%bc%8f%e8%af%ad%e9%9f%b3%e8%b4%a8%e9%87%8f%e6%b5%8b%e8%af%95%e4%b8%8e%e6%8d%9f%e4%bc%a4%e5%88%86%e6%9e%90\/"},"modified":"2021-12-22T11:52:41","modified_gmt":"2021-12-22T09:52:41","slug":"%e8%a2%ab%e5%8a%a8%e5%bc%8f%e8%af%ad%e9%9f%b3%e8%b4%a8%e9%87%8f%e6%b5%8b%e8%af%95%e4%b8%8e%e6%8d%9f%e4%bc%a4%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/sevana.biz\/zh-hans\/2021\/12\/22\/%e8%a2%ab%e5%8a%a8%e5%bc%8f%e8%af%ad%e9%9f%b3%e8%b4%a8%e9%87%8f%e6%b5%8b%e8%af%95%e4%b8%8e%e6%8d%9f%e4%bc%a4%e5%88%86%e6%9e%90\/","title":{"rendered":"\u88ab\u52a8\u5f0f\u8bed\u97f3\u8d28\u91cf\u6d4b\u8bd5\u4e0e\u635f\u4f24\u5206\u6790"},"content":{"rendered":"

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<\/p>\n

Sevana AQuA<\/a> \u4e0e PVQA<\/a> \u5e93\u4f1a\u5b9e\u65f6\u91c7\u96c6\u4e0e\u8bed\u97f3\u8d28\u91cf\u635f\u4f24\u76f8\u5173\u7684\u5168\u90e8\u6570\u636e\uff0c\u63d0\u4f9b\u5373\u65f6\u544a\u8b66\uff0c\u5e76\u5b58\u50a8\u4e0e\u901a\u8bdd\u97f3\u9891\u52a3\u5316\u76f8\u5173\u7684\u6240\u6709\u6307\u6807\u3002\u97f3\u9891\u635f\u4f24\u53ef\u4ee5\u4e0e\u7f51\u7edc\u53c2\u6570\uff08\u6296\u52a8\u3001\u4e22\u5305\u3001RTT \u65f6\u5ef6\uff09\u76f8\u6620\u5c04\uff0c\u4ece\u800c\u5f62\u6210\u4e0e\u7279\u5b9a\u8def\u7531\u3001\u88ab\u53eb\u5730\u548c\u4e3b\u53eb\u5730\u76f8\u5173\u7684\u6a21\u5f0f\u3002\u7cfb\u7edf\u5206\u6790\u7684\u6bcf\u4e00\u901a\u547c\u53eb\u90fd\u4f1a\u4ea7\u751f\u6570\u636e\uff0c\u53ef\u4ee5\u501f\u52a9\u5927\u6570\u636e\u5206\u6790\u5de5\u5177\u52a0\u4ee5\u7814\u7a76\uff0c\u7528\u4e8e\u9884\u6d4b\u7f51\u7edc\u884c\u4e3a\u4e0e\u901a\u8bdd\u8d28\u91cf\u3002<\/p>\n

\"\"<\/p>\n

\u9759\u97f3\u901a\u8bdd\uff08Silent Call\uff09<\/strong> \u2014\u2014 \u8bed\u97f3\u547c\u53eb\u7684\u5176\u4e2d\u4e00\u8def\u6ca1\u6709\u8bdd\u97f3
\n\u56de\u58f0\uff08Echo\uff09<\/strong> \u2014\u2014 \u901a\u5e38\u7531\u963b\u6297\u963b\u585e\u6216\u5931\u914d\u5f15\u8d77\uff0c\u5bfc\u81f4\u4fe1\u53f7\u6cbf\u539f\u8def\u53cd\u5c04\u56de\u6765\u3002\u6b64\u5916\uff0c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u4e2d\u51fa\u73b0\u56de\u58f0\u6548\u5e94\u8fd8\u53ef\u4ee5\u8ffd\u6eaf\u5230\u7ebf\u8def\u672c\u8eab\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002\u6807\u51c6\u7ebf\u8def\u7684\u65f6\u5ef6\u7ea6\u4e3a 10 \u6beb\u79d2\uff0c\u800c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u65f6\u5ef6\u53ef\u9ad8\u8fbe 400 \u6beb\u79d2\uff0c\u56e0\u6b64\u56de\u58f0\u6548\u5e94\u4f1a\u660e\u663e\u5f97\u591a\u3002
\n\u5e45\u5ea6\u524a\u6ce2\uff08Amplitude clipping\uff09<\/strong> \u2014\u2014 \u901a\u5e38\u662f\u8bed\u97f3\u8def\u5f84\u4e0a\u67d0\u4e2a\u8bed\u97f3\u7f51\u5173\u914d\u7f6e\u4e0d\u5f53\u9020\u6210\u7684\u3002
\n\u52a8\u6001\u524a\u6ce2\uff08Dynamic clipping\uff09<\/strong> \u2014\u2014 \u63d0\u793a\u53e6\u4e00\u5f20\u7f51\u7edc\u4e2d\u53ef\u80fd\u53d1\u751f\u4e86\u524a\u6ce2\uff0c\u56e0\u4e3a\u97f3\u9891\u6ce2\u5f62\u770b\u4e0a\u53bb\u50cf\u5e45\u5ea6\u524a\u6ce2\uff0c\u4f46\u5f53\u524d\u5e76\u672a\u771f\u6b63\u51fa\u73b0\u3002
\nVAD \u524a\u6ce2\uff08VAD clipping\uff09<\/strong> \u2014\u2014 \u8be5\u635f\u4f24\u7528\u4e8e\u68c0\u6d4b\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b\u5668\uff08VAD\uff09\u5de5\u4f5c\u5f02\u5e38\u3002\u68c0\u6d4b\u5668\u4f1a\u627e\u51fa\u4fe1\u53f7\u4e2d\u6d3b\u8dc3\u7247\u6bb5\u4e0e\u975e\u6d3b\u8dc3\u7247\u6bb5\u7684\u8fb9\u754c\uff0c\u5224\u65ad VAD \u662f\u5426\u89e6\u53d1\u8fc7\u665a\uff08\u8bdd\u97f3\u5f00\u5934\uff09\u6216\u8fc7\u65e9\uff08\u8bdd\u97f3\u7ed3\u5c3e\uff09\u3002
\n\u5494\u55d2\u58f0\uff08Click\uff09<\/strong> \u2014\u2014 \u97f3\u9891\u9891\u8c31\u4e2d\u51fa\u73b0\u7684\u5355\u4e2a\u80fd\u91cf\u5c16\u5cf0\uff0c\u53ef\u80fd\u7531\u591a\u79cd\u539f\u56e0\u5f15\u8d77\u3002
\nDeadAir-01<\/strong> \u2014\u2014 \u8bdd\u97f3\u5185\u90e8\u51fa\u73b0\u96f6\u7535\u5e73\u4fe1\u53f7\uff0c\u5373\u8bdd\u97f3\u4e2d\u7684\u4e00\u6bb5\u7a7a\u9699\uff0c\u53ef\u80fd\u7531\u591a\u79cd\u539f\u56e0\u9020\u6210\u3002
\nDeadAir-00<\/strong> \u2014\u2014 \u8bdd\u97f3\u5185\u90e8\u51fa\u73b0\u6052\u5b9a\u7535\u5e73\u4fe1\u53f7\uff0c\u5176\u53d6\u503c\u53ef\u6b63\u53ef\u8d1f\u3002
\n\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/strong> \u2014\u2014 \u8868\u793a\u901a\u8bdd\u4e2d\u5b58\u5728\u7684\u566a\u58f0\u7535\u5e73\u5df2\u5f71\u54cd\u4eba\u8033\u611f\u53d7\u5e76\u5e72\u6270\u901a\u8bdd\u65b9\u3002<\/p>\n

\u5728\u635f\u4f24\u5206\u6790\u4e2d\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5b9e\u65f6\u68c0\u6d4b\u51fa\u5bfc\u81f4\u8bed\u97f3\u8d28\u91cf\u4e0b\u964d\u7684\u5404\u7c7b\u635f\u4f24\uff0c\u5728\u901a\u8bdd\u540e\u5206\u6790\u65f6\u8fd8\u80fd\u7cbe\u786e\u5b9a\u4f4d\u67d0\u9879\u635f\u4f24\u5b9e\u9645\u53d1\u751f\u7684\u65f6\u95f4\u6bb5\uff08\u5982\u56fe\u6240\u793a\uff0c\u8d28\u91cf\u8f83\u5dee\u7684\u533a\u95f4\u4f1a\u4ee5\u89e6\u53d1\u8be5\u95ee\u9898\u7684\u635f\u4f24\u68c0\u6d4b\u5668\u6240\u5bf9\u5e94\u7684\u989c\u8272\u6807\u51fa\uff0c\u4f8b\u5982\u56de\u58f0\uff09\u3002<\/p>\n

\u66f4\u8fdb\u4e00\u6b65\uff0c\u5bf9 PVQA \u751f\u6210\u7684\u62a5\u544a\u8fdb\u884c\u5927\u6570\u636e\u5206\u6790\uff0c\u6709\u52a9\u4e8e\u8bc6\u522b\u51fa\u4e0e\u7f51\u7edc\u4e2d\u7279\u5b9a\u95ee\u9898\u76f8\u5bf9\u5e94\u7684\u635f\u4f24\u6a21\u5f0f\uff0c\u4f8b\u5982\uff1a<\/p>\n

\u5494\u55d2\u58f0 + DeadAir-01 \u2014\u2014 \u6781\u6709\u53ef\u80fd\u662f\u4e22\u5305\u5f71\u54cd\u4e86\u901a\u8bdd\u97f3\u9891
\n\u5494\u55d2\u58f0 + VAD \u524a\u6ce2 \u2014\u2014 \u53ef\u80fd\u5b58\u5728\u4e22\u5305<\/p>\n

\u6b22\u8fce\u8054\u7cfb\u6211\u4eec<\/a>\uff0c\u83b7\u53d6 PVQA<\/a> \u5206\u6790\u6216 PVQA Server<\/a> \u529f\u80fd\u7684\u5b8c\u6574\u6f14\u793a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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