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| "TABREF0": { |
| "num": null, |
| "text": "\u5442\u5609\u7a40 1 \uff0c\u856d\u5fd7\u6ff1 2 \uff0c\u674e\u660e\u6176 2 \uff0c\u84b2\u9577\u6069 3 \uff0c\u5433\u5bb6\u9686 2\uff0c* 1 \u570b\u7acb\u53f0\u5317\u5927\u5b78\u8cc7\u8a0a\u5de5\u7a0b\u5b78\u7cfb 2 \u6cd5\u52d9\u90e8\u8abf\u67e5\u5c40\u9451\u8b58\u79d1\u5b78\u8655\uff0c 3 \u6cd5\u52d9\u90e8\u8abf\u67e5\u5c40\u901a\u8a0a\u76e3\u5bdf\u8655 \uff0c\u53ef\u4ee5\u7528\u4f86\u505a\u8eab\u4efd\u8b58\u5225\u4e4b\u7528\u3002\u5c0d\u65bc\u5229\u7528\u96fb\u8166\u4f86\u5206\u6790\u8a9e\u97f3\u9019\u65b9\u9762\u7684\u7814\u7a76\uff0c\u5927\u81f4\u53ef\u5206\u70ba\u5169\u500b\u9818\u57df\uff1a \u4e00\u662f\u8a9e\u8a5e\u8b58\u5225(speech recognition) \uff0c\u4e00\u662f\u8a9e\u8005\u8b58\u5225(speaker recognition)[1-4]\u3002\u82e5\u662f\u8981\u5206\u8fa8\u67d0\u4e00\u500b\u8a9e\u97f3 \u6a23\u672c\u662f\u5426\u4f86\u81ea\u67d0\u4e00\u500b\u7279\u5b9a\u7684\u8a9e\u8005\uff0c\u5247\u53c8\u7a31\u70ba\u8a9e\u8005\u9a57\u8b49(speaker verification \u6216 speaker authentication)\u3002 \u8a9e\u8005\u9a57\u8b49\u53c8\u53ef\u7d30\u5206\u70ba\u9650\u5b9a\u8a9e\u8a5e(text dependent)\u8207\u975e\u9650\u5b9a\u8a9e\u8a5e(text independent)\u5169\u7a2e\u65b9\u5f0f[5,6]\u3002\u5728\u9650 Kong \u5728 2012 \u5e74\u7684\u4e00\u7bc7\u6587\u7ae0\u4e2d\u5831\u544a\u4ed6\u5011\u4ee5 LTF \u5206\u6790\u9032\u884c\u8de8\u8a9e\u8a00\u7684\u8a9e\u8005\u9a57\u8b49[11]\u3002\u4ed6 \u5011\u4ee5\u524d\u56db\u500b\u5171\u632f\u5cf0\u7684\u5206\u5e03\u4e4b peak, kurtosis, \u8207 skewness \u4f5c\u70ba\u7279\u5fb5\u503c\uff0c\u767c\u73fe\u80fd\u5920\u6210\u529f\u7684\u4ee5\u4e09\u7a2e\u4e0d\u540c\u8a9e\u8a00", |
| "content": "<table><tr><td colspan=\"2\">\u8b8a\u5316\u8f03\u70ba\u8907\u96dc\uff0c\u5f9e\u4f4e\u983b\u5230\u9ad8\u983b\u6703\u51fa\u73fe\u82e5\u5e72\u500b\u9ad8\u5cf0\u9ede\uff0c\u5982\u5716\u4e8c\u6240\u793a\u3002 \u6587\u7ae0\u4e2d\u4e5f\u6307\u51fa\uff0cLTF \u4e5f\u5177\u6709\u4e00\u4e9b\u5176\u4ed6\u826f\u597d\u7684\u7279\u6027\uff0c\u4f8b\u5982\u4e0d\u6613\u53d7\u5230\u8aaa\u8a71\u901f\u5ea6\u5feb\u6162\u53ca\u97f3\u8abf\u9ad8\u4f4e\u7b49\u56e0\u7d20\u7684\u5f71</td></tr><tr><td colspan=\"2\">\u97ff\u3002\u4e2d\u570b\u5b78\u8005 Xu \u8207 (\u4e2d\u3001\u82f1\u3001\u97d3)\u7684\u8a9e\u6599\u9032\u884c\u8de8\u8a9e\u8a00\u7684\u8a9e\u8005\u9a57\u8b49\u3002\u6b50\u6d32\u5b78\u8005 Jessen \u8207 Becker \u5728 2010 \u4e5f\u66fe\u5831\u544a\u4ed6\u5011\u5c0d\u5fb7\u8a9e\u3001</td></tr><tr><td colspan=\"2\">\u4fc4\u8a9e\u3001\u53ca\u963f\u723e\u5df4\u5c3c\u4e9e\u8a9e\u6240\u9032\u884c\u7684\u5be6\u9a57\uff0c\u4e5f\u6709\u8457\u76f8\u4f3c\u7684\u7d50\u8ad6[12]\u3002</td></tr><tr><td colspan=\"2\">\u524d\u8ff0\u5b78\u8005\u6240\u63d0\u51fa\u7684\u9577\u6642\u9593\u5171\u632f\u5cf0\u5206\u6790\uff0c\u591a\u4fc2\u5c0d\u500b\u5225\u5171\u632f\u5cf0\u7684\u5206\u5e03\u4e00\u4e00\u7684\u4f86\u9032\u884c\uff0c\u4e5f\u5c31\u662f\u5c6c\u65bc\u4e00\u500b\u7dad\u5ea6\u7684</td></tr><tr><td colspan=\"2\">\u5206\u6790\u3002\u672c\u8ad6\u6587\u63d0\u51fa\u7684\u65b9\u6cd5\u662f\u5c07\u524d\u5e7e\u500b\u5171\u632f\u5cf0\u505a\u6210\u5c0d\u7684\u5206\u6790\uff0c\u4e5f\u5c31\u662f\u6c42\u5f97\u4e8c\u7dad\u7684\u5171\u632f\u5cf0\u5206\u5e03\u4f86\u9032\u884c\u5206\u6790\u3002</td></tr><tr><td colspan=\"2\">\u53c8\u56e0\u70ba\u524d\u4e8c\u5171\u632f\u5cf0\u7684\u5206\u5e03\u8207\u5e7e\u500b\u4e3b\u8981\u55ae\u97f3\u97fb\u6bcd\u6709\u5f88\u660e\u78ba\u7684\u5c0d\u61c9\uff0c\u6211\u5011\u9032\u4e00\u6b65\u5c07 F1-F2 \u5e73\u9762\u5206\u5272\u70ba\u82e5\u5e72\u5340</td></tr><tr><td colspan=\"2\">\u57df\uff0c\u4e26\u5206\u5225\u5206\u6790\u843d\u5728\u9019\u4e9b\u5340\u57df\u4e2d\u7684\u97f3\u6846\u4ee5\u5efa\u7acb\u66f4\u7d30\u7dfb\u7684\u8a9e\u8005\u97f3\u8272\u6a21\u578b\u3002\u5728\u4e0b\u4e00\u7bc0\u4e2d\u6211\u5011\u5c07\u8a73\u7d30\u4ecb\u7d39\u672c\u7814</td></tr><tr><td colspan=\"2\">\u5716\u4e00\u3001\u88dd\u7f6e\u6216\u7dda\u8def\u4e4b\u983b\u7387\u97ff\u61c9\u793a\u610f\u5716 * \u901a\u8a0a\u4f5c\u8005 \u7a76\u6240\u63d0\u51fa\u5efa\u7acb\u97f3\u8272\u6a21\u578b\u7684\u65b9\u6cd5\u3002\u5728\u7b2c\u4e09\u90e8\u5206\u4e2d\u6211\u5011\u6703\u5c07\u9019\u500b\u97f3\u8272\u6a21\u578b\u61c9\u7528\u5230\u8a9e\u8005\u9a57\u8b49\u7684\u5be6\u9a57\u4e0a\u3002</td></tr><tr><td>2\u3001\u7814\u7a76\u65b9\u6cd5</td><td>\u6458\u8981</td></tr><tr><td colspan=\"2\">\u672c\u8ad6\u6587\u6240\u63d0\u51fa\u7684\u65b9\u6cd5\u5927\u81f4\u53ef\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u3002\u9996\u5148\u6211\u5011\u627e\u51fa\u4e00\u6bb5\u8a9e\u97f3\u4e2d\u5177\u6709\u5171\u632f\u7684\u90e8\u5206\uff0c\u4e5f\u5c31\u662f\u5176\u4e2d</td></tr><tr><td colspan=\"2\">\u8a9e\u97f3\u662f\u91cd\u8981\u7684\u751f\u7269\u7279\u5fb5\u4e4b\u4e00\uff0c\u4e5f\u662f\u9451\u8b58\u79d1\u5b78\u4e0a\u7684\u91cd\u8981\u5de5\u5177\u3002\u5728\u9451\u8b58\u5be6\u52d9\u4e0a\u5e38\u906d\u9047\u5230\u7684\u4e00\u500b \u7684\u6709\u8072\u5b57\u97f3(voiced sounds)\u90e8\u5206\u3002\u5176\u6b21\u6211\u5011\u4ee5\u7dda\u6027\u9810\u6e2c\u65b9\u6cd5\uff0c\u9010\u4e00\u5206\u6790\u9019\u4e9b\u6709\u8072\u5b57\u97f3\u7684\u97f3\u6846\uff0c\u627e\u51fa\u5176\u4e2d</td></tr><tr><td colspan=\"2\">\u6311\u6230\uff0c\u5c31\u662f\u901a\u8a0a\u7dda\u8def\u53ca\u9304\u97f3\u88dd\u7f6e\u7684\u591a\u5143\u6027\u3002\u4e0d\u540c\u7684\u88dd\u7f6e\u8207\u7dda\u8def\u7279\u6027\u6703\u5c0d\u8a9e\u97f3\u8b49\u7269\u7684\u983b\u8b5c\u7522 \u7684\u5171\u632f\u5cf0\u3002\u518d\u6839\u64da\u6240\u627e\u51fa\u7684\u5171\u632f\u5cf0\u7684\u5206\u5e03\u5efa\u7acb\u8d77\u8a72\u4f4d\u8a9e\u8005\u7684\u97f3\u8272\u6a21\u578b\u3002\u6700\u5f8c\uff0c\u6211\u5011\u85c9\u6bd4\u5c0d\u5169\u7d44\u5171\u632f\u5cf0\u5206</td></tr><tr><td colspan=\"2\">\u751f\u76f8\u7576\u7684\u5f71\u97ff\uff0c\u5f9e\u800c\u4e5f\u6703\u5f71\u97ff\u5230\u9451\u8b58\u7684\u6b63\u78ba\u6027\u3002\u5171\u632f\u5cf0\u662f\u8a9e\u97f3\u4e2d\u91cd\u8981\u7684\u8981\u7d20\uff0c\u4e26\u4e14\u8f03\u4e0d\u6613 \u5e03\u7684\u76f8\u4f3c\u5ea6\uff0c\u4f86\u6bd4\u5c0d\u5169\u6bb5\u8a9e\u6599\u4e4b\u97f3\u8272\u76f8\u4f3c\u5ea6\u3002\u9019\u4e9b\u6b65\u9a5f\u5206\u5225\u6558\u8ff0\u5982\u4e0b\u3002</td></tr><tr><td colspan=\"2\">\u53d7\u5230\u901a\u9053\u53ca\u88dd\u7f6e\u4e4b\u983b\u7387\u97ff\u61c9\u7684\u5f71\u97ff\u3002\u5728\u672c\u8ad6\u6587\u4e2d\u6211\u5011\u63d0\u51fa\u4e00\u500b\u5f9e\u5206\u6790\u8f03\u9577\u6642\u9593\u8a9e\u6599\uff0c\u6240\u5f97 \u4e4b\u4e8c\u7dad\u5171\u632f\u5cf0\u7684\u5206\u5e03\uff0c\u4f86\u5efa\u7acb\u8d77\u4e00\u500b\u8a9e\u8005\u4e4b\u97f3\u8272\u6a21\u578b\u7684\u65b9\u6cd5\u3002\u9019\u500b\u65b9\u6cd5\u5c0d\u65bc\u76f8\u540c\u8a9e\u8a5e\u53ca\u76f8 2.1\u3001\u627e\u51fa\u8a9e\u6599\u4e2d\u4e4b\u6709\u8072\u5b57\u97f3\u90e8\u5206</td></tr><tr><td colspan=\"2\">\u7570\u8a9e\u8a5e\u65b9\u5f0f\u7684\u8a9e\u8005\u9a57\u8b49\u5de5\u4f5c\u5747\u9069\u7528\u3002\u5728\u5be6\u9a57\u7684\u90e8\u5206\uff0c\u6211\u5011\u5831\u544a\u4e86\u5c0d\u7d04\u4e03\u5341\u4eba\u898f\u6a21\u7684\u8a9e\u6599\u5206 \u56e0\u70ba\u672c\u65b9\u6cd5\u662f\u8981\u627e\u51fa\u8a9e\u6599\u4e2d\u7684\u5171\u632f\u5cf0\u5206\u5e03\uff0c\u4ee5\u5efa\u7acb\u8d77\u4e00\u8a9e\u8005\u4e4b\u97f3\u8272\u6a21\u578b\uff0c\u6240\u4ee5\u9996\u5148\u6211\u5011\u5c31\u8981\u627e\u51fa\u8a9e\u6599\u4e2d</td></tr><tr><td colspan=\"2\">\u5225\u9032\u884c\u6578\u4f4d\u9304\u97f3\u53ca\u96fb\u8a71\u9304\u97f3\u7684\u8a9e\u8005\u9a57\u8b49\u6e2c\u8a66\u3002 \u5177\u6709\u660e\u986f\u5171\u632f\u7684\u90e8\u5206\uff0c\u5373\u662f\u8a9e\u6599\u4e2d\u7684\u6709\u8072\u5b57\u97f3\u3002\u5728\u672c\u7814\u7a76\u4e2d\uff0c\u6211\u5011\u5148\u5c07\u8a9e\u6599\u5207\u5272\u70ba 20ms \u5927\u5c0f\u7684\u97f3\u6846\uff0c \u5716\u4e8c\u3001\u767c\u8072\u9053\u983b\u7387\u97ff\u61c9\u4f8b\u5716 \u76f8\u9130\u7684\u97f3\u6846\u6709 10ms (\u5373\u70ba 50%)\u7684\u91cd\u758a\u3002\u6211\u5011\u5c0d\u6bcf\u4e00\u500b\u97f3\u6846\u8a08\u7b97\u51fa\u4e00\u500b\u97f3\u91cf\u5927\u5c0f\u503c\uff0c\u4ee5\u53ca\u6c42\u53d6\u5176 \u95dc\u9375\u8a5e: \u8a9e\u8005\u9a57\u8b49\uff0c\u7dda\u6027\u9810\u6e2c\u65b9\u6cd5(LPC)\uff0c\u5171\u632f\u5cf0\uff0c\u8a9e\u8005\u97f3\u8272\u6a21\u578b \u7136\u8a9e\u97f3\u4e4b\u983b\u8b5c\u6703\u53d7\u5230\u88dd\u7f6e\u7684\u5f71\u97ff\uff0c\u4f46\u662f\u5176\u4e2d\u5171\u632f\u5cf0\u7684\u4f4d\u7f6e\u76f8\u5c0d\u7a69\u5b9a\u3002\u672c\u7814\u7a76\u6240\u63d0\u51fa\u4e4b\u8a9e\u8005\u97f3\u8272\u6a21\u578b\u5c07\u4ee5 1\u3001\u76ee\u7684\u8207\u80cc\u666f autocorrelation function (ACF)\u66f2\u7dda\uff0c\u4e26\u627e\u51fa\u5176\u5728\u5408\u7406\u4e4b\u9031\u671f\u7bc4\u570d\u6240\u80fd\u9054\u5230\u7684\u6700\u9ad8\u503c\u3002\u5982\u679c\u4e00\u500b\u97f3\u6846\u5177\u6709 \u7576\u6211\u5011\u628a\u8f03\u7de9\u6162\u8b8a\u5316\u7684\u88dd\u7f6e\u6216\u901a\u9053\u7684\u983b\u7387\u97ff\u61c9\uff0c\u8207\u8f03\u5feb\u901f\u8b8a\u5316\u7684\u767c\u8072\u9053\u983b\u7387\u97ff\u61c9\u76f8\u4e58(\u6216\u76f8\u52a0)\u6642\uff0c\u5176\u7d50 \u679c\u5c31\u662f\u524d\u8005\u6703\u5f71\u97ff\u5230\u5f8c\u8005\u7684\u6574\u9ad4\u8d77\u4f0f\u8b8a\u5316\uff0c\u4f46\u662f\u8f03\u4e0d\u6703\u5f71\u97ff\u5230\u500b\u5225\u9ad8\u5cf0\u9ede\u7684\u51fa\u73fe\u53ca\u4f4d\u7f6e\u3002\u4e5f\u5c31\u662f\u8aaa\uff0c\u96d6 \u8db3\u5920\u7684\u97f3\u91cf\u5927\u5c0f\u4ee5\u53ca\u5920\u5927\u7684 ACF \u5cf0\u503c\uff0c\u6211\u5011\u5c31\u63a5\u53d7\u6b64\u4e00\u97f3\u6846\u70ba\u4e00\u500b\u6709\u8072\u5b57\u97f3\u7684\u97f3\u6846\u3002\u5728\u8a9e\u6599\u91cf\u8db3\u5920\u7684</td></tr><tr><td colspan=\"2\">\u8a9e\u97f3\u662f\u4eba\u985e\u5f7c\u6b64\u9593\u6e9d\u901a\u6700\u65b9\u4fbf\u4e5f\u6700\u9996\u8981\u7684\u65b9\u5f0f\u3002\u8a9e\u97f3\u4e0d\u4f46\u662f\u7528\u65bc\u50b3\u64ad\u4fe1\u606f\uff0c\u4e5f\u662f\u4e00\u9805\u91cd\u8981\u7684\u751f\u7269\u7279\u5fb5 \u5171\u632f\u5cf0\u7684\u4f4d\u7f6e\u70ba\u4e3b\u3002\u6211\u5011\u5c07\u5f9e\u8a9e\u97f3\u4e2d\u64f7\u53d6\u51fa\u5171\u632f\u5cf0\uff0c\u7136\u5f8c\u4ee5\u5171\u632f\u5cf0\u7684\u5206\u5e03\u4f86\u5efa\u7acb\u4e00\u8a9e\u8005\u7684\u97f3\u8272\u6a21\u578b\u3002</td></tr><tr><td colspan=\"2\">\u8fd1\u5e74\u4f86\u6709\u8d8a\u4f86\u8d8a\u591a\u7684\u7814\u7a76\u6307\u51fa\u89c0\u5bdf\u9577\u6642\u9593\u5171\u632f\u5cf0\u5206\u6790(LTF, Long term formant analysis)\u5728\u8a9e\u8005\u9a57\u8b49\u4e0a\u7684 \u91cd\u8981\u6027\u3002\u6240\u8b02\u9577\u6642\u9593\u5171\u632f\u5cf0\u5206\u6790\u5c31\u662f\u7d2f\u8a08\u6574\u6bb5\u8a9e\u6599\u4e2d\u5404\u5171\u632f\u5cf0\u51fa\u73fe\u7684\u4f4d\u7f6e\uff0c\u901a\u5e38\u662f\u524d\u56db\u500b\u5171\u632f\u5cf0\u3002\u56e0\u70ba \u662f\u5305\u542b\u773e\u591a\u4e0d\u540c\u7684\u5b57\u97f3\u5728\u5167\uff0c\u6240\u4ee5\u5404\u5171\u632f\u5cf0\u7684\u4f4d\u7f6e\u4e26\u975e\u56fa\u5b9a\uff0c\u4e00\u6bb5\u6642\u9593\u7d2f\u7a4d\u4e0b\u4f86\uff0c\u5c31\u6703\u5f97\u5230\u4e00\u500b\u5206\u5e03\u66f2 \u7dda\u3002\u56e0\u70ba\u662f\u4f86\u81ea\u65bc\u76f8\u540c\u8a9e\u8005\uff0c\u6240\u4ee5\u8a9e\u8005\u7684\u56e0\u7d20\u81ea\u7136\u5305\u542b\u5728\u5176\u4e2d\u3002\u53c8\u56e0\u70ba\u662f\u4f86\u81ea\u65bc\u8a31\u591a\u4e0d\u540c\u7684\u5b57\u97f3\u7684\u6df7\u5408\uff0c (biometrics)\u5b9a\u8a9e\u8a5e\u7684\u65b9\u5f0f\u4e2d\uff0c\u7528\u4f86\u6bd4\u5c0d\u7684\u5169\u6bb5\u8a9e\u97f3\u6a23\u672c\uff0c\u5176\u8a9e\u97f3\u4e4b\u5167\u5bb9\u9808\u70ba\u76f8\u540c\u6216\u76f8\u4f3c\u3002\u800c\u5728\u975e\u9650\u5b9a\u8a9e\u8a5e\u7684\u65b9\u5f0f\u4e0b\uff0c \u6240\u4ee5\u5b57\u97f3\u7684\u56e0\u7d20\u5c31\u6703\u88ab\u6de1\u5316\u6389\u3002\u56e0\u70ba\u8a9e\u8005\u9a57\u8b49\u7684\u91cd\u9ede\u662f\u5728\u8a9e\u8005\u7684\u97f3\u8272\u7279\u5fb5\u800c\u975e\u8a9e\u8a5e\u5167\u5bb9\uff0c\u6240\u4ee5\u9577\u6642\u9593\u5171</td></tr><tr><td colspan=\"2\">\u5176\u8a9e\u53e5\u4e4b\u5167\u5bb9\u53ef\u70ba\u4e0d\u540c\u3002\u5f8c\u8005\u4e4b\u8655\u7406\u96e3\u5ea6\u8f03\u9ad8\uff0c\u4f46\u5728\u53d6\u6a23\u4e0a\u8f03\u4e0d\u53d7\u9650\uff0c\u5176\u61c9\u7528\u4e5f\u8f03\u70ba\u5ee3\u6cdb\u3002\u672c\u7814\u7a76\u4e4b\u5167 \u632f\u5cf0\u5206\u6790\u6703\u662f\u4e00\u500b\u53ef\u5229\u7528\u7684\u5de5\u5177\u3002</td></tr><tr><td colspan=\"2\">\u5bb9\u662f\u5c6c\u65bc\u8a9e\u8005\u9a57\u8b49\u6027\u8cea\uff0c\u540c\u6642\u5305\u62ec\u4e86\u9650\u5b9a\u8a9e\u8a5e\u8207\u975e\u9650\u5b9a\u8a9e\u8a5e\u7684\u65b9\u5f0f\u3002</td></tr><tr><td colspan=\"2\">\u82f1\u570b\u7684 Nolan \u8207 Grigoras \u5728 2005 \u5e74\u7684\u4e00\u7bc7\u8ad6\u6587\u4e2d\u5831\u544a\uff0c\u7d00\u9304\u8a9e\u97f3\u4e2d\u524d\u56db\u5171\u632f\u5cf0\u7684\u9577\u6642\u9593\u5206\u5e03\uff0c\u5728\u8a9e\u8005</td></tr><tr><td colspan=\"2\">\u8a9e\u97f3\u5206\u6790\u6700\u57fa\u672c\u7684\u6280\u8853\u5c31\u662f\u983b\u8b5c\u5206\u6790\u3002\u7531\u65bc\u6bcf\u500b\u4eba\u7684\u53e3\u8154\u69cb\u9020\u53ca\u767c\u97f3\u7fd2\u6163\u5747\u6709\u6240\u4e0d\u540c\uff0c\u6240\u4ee5\u767c\u51fa\u8072\u97f3\u7684 \u9451\u8b58\u5be6\u6848\u4e0a\u5341\u5206\u6709\u6548[7]\u3002\u5728\u5f8c\u7e8c\u7684\u7814\u7a76\u4e2d\u4ed6\u5011\u9032\u4e00\u6b65\u5831\u544a\u5404\u5171\u632f\u5cf0\u7684\u9577\u6642\u9593\u5206\u5e03\u591a\u5448\u73fe\u51fa\u4e0d\u5c0d\u7a31</td></tr><tr><td colspan=\"2\">\u5171\u9cf4\u7d50\u69cb\u5c31\u6703\u6709\u6240\u4e0d\u540c\uff0c\u8a9e\u97f3\u4e2d\u8f03\u5f37\u7684\u5171\u9cf4\u6210\u5206\u5c31\u6703\u5f62\u6210\u983b\u8b5c\u4e2d\u7684\u6ce2\u5cf0\uff0c\u7a31\u70ba\u5171\u632f\u5cf0(formants)\u3002\u4e0d\u540c (skewed)\u7684\u60c5\u5f62\uff0c\u4e26\u4e14\u5176\u5206\u5e03\u6700\u9ad8\u9ede(mode)\u4e4b\u4f4d\u7f6e\u5728\u9451\u8b58\u4e0a\u7684\u91cd\u8981\u6027\u8d85\u904e\u5176\u5e73\u5747\u4f4d\u7f6e[8]\u3002\u6b50\u6d32\u5b78\u8005</td></tr><tr><td colspan=\"2\">\u7684\u8a9e\u8005\uff0c\u56e0\u751f\u7406\u69cb\u9020\u6216\u53e3\u97f3\u4e0a\u7684\u5dee\u7570\uff0c\u5373\u4f7f\u662f\u767c\u51fa\u540c\u4e00\u500b\u5b57\u97f3\uff0c\u5176\u983b\u8b5c\u7684\u5f62\u72c0\u4e5f\u6703\u6709\u6240\u5dee\u7570\u3002\u6240\u4ee5\u85c9\u8457 Becker\u3001Jessen\u3001\u53ca Grigoras \u5728 2008 \u5e74\u63d0\u51fa\u5c07\u9577\u6642\u9593\u5171\u632f\u5cf0\u5206\u6790\u6240\u5f97\u4e4b\u53c3\u6578\u503c\u5957\u7528\u5230\u9ad8\u65af\u6df7\u5408\u6a21\u578b</td></tr><tr><td colspan=\"2\">\u5206\u6790\u983b\u8b5c\uff0c\u6211\u5011\u53ef\u4ee5\u5206\u8fa8\u8a9e\u8005\uff0c\u4e5f\u53ef\u4ee5\u8fa8\u8b58\u5b57\u97f3\u4e2d\u4e4b\u97fb\u6bcd\u3002 (Gaussian mixture model)\u4f86\u9032\u884c\u8a9e\u8005\u8b58\u5225[9]\u3002\u4ed6\u5011\u5047\u5b9a\u5404\u5171\u632f\u5cf0\u7684\u9577\u6642\u9593\u5206\u5e03\u70ba\u9ad8\u65af\u5206\u5e03\uff0c\u4e26\u81ea\u5404\u6bb5\u8a9e</td></tr><tr><td colspan=\"2\">\u6599\u4f30\u8a08\u51fa\u9ad8\u65af\u5206\u5e03\u7684\u5e73\u5747\u503c\u8207\u6a19\u6e96\u5dee\u503c\uff0c\u4ee5\u9032\u884c likelihood \u8a08\u7b97\u3002\u4ed6\u5011\u5c0d 68 \u4f4d\u7537\u6027\u8a9e\u8005\u7684\u8a9e\u6599\uff0c\u4ee5\u524d \u5728\u8a9e\u97f3\u5206\u6790\u7684\u5de5\u4f5c\u4e0a\u4e00\u500b\u7d93\u5e38\u9047\u5230\u7684\u554f\u984c\u5c31\u662f\u88dd\u7f6e\u6216\u662f\u901a\u8a0a\u7dda\u8def(channel)\u6240\u5e36\u4f86\u7684\u5f71\u97ff\u3002\u5982\u679c\u88dd\u7f6e\u6216\u7dda \u8def\u7684\u983b\u7387\u97ff\u61c9\u70ba\u5df2\u77e5\uff0c\u6211\u5011\u5c1a\u53ef\u85c9\u8457\u6f14\u7b97\u9084\u539f\u51fa\u539f\u97f3\u8a0a\u4e4b\u983b\u8b5c\uff0c\u4f46\u662f\u5c0d\u65bc\u9451\u8b58\u5de5\u4f5c\u65b9\u9762\u7684\u5be6\u6848\u800c\u8a00\uff0c\u88dd \u4e09\u500b\u5171\u632f\u5cf0\u7684\u4f4d\u7f6e\u53ca\u983b\u5bec\u70ba\u53c3\u6578(\u5171\u516d\u500b)\uff0c\u9054\u5230\u4e86 EER \u70ba 0.03 \u7684\u9a57\u8b49\u6210\u7e3e\u3002</td></tr><tr><td colspan=\"2\">\u7f6e\u6216\u7dda\u8def\u7684\u7279\u6027\u901a\u5e38\u70ba\u672a\u77e5\u3002\u4e00\u822c\u800c\u8a00\uff0c\u88dd\u7f6e\u53ca\u7dda\u8def\u7684\u983b\u7387\u97ff\u61c9\u5448\u73fe\u5e73\u6ed1\u7684\u8b8a\u5316\uff0c\u901a\u5e38\u662f\u4e2d\u983b\u90e8\u5206\u9ad8\u8d77 \u5fb7\u570b\u5b78\u8005 Moos \u5c0d 71 \u4f4d\u7537\u6027\u8a9e\u8005\u7684\u884c\u52d5\u96fb\u8a71\u9304\u97f3\u8a9e\u6599\u9032\u884c LTF \u5206\u6790[10]\uff0c\u4ed6\u767c\u73fe F2 \u8207 F3 \u5408\u7528\u6642\u6709\u512a</td></tr><tr><td colspan=\"2\">\u800c\u9ad8\u983b\u8207\u4f4e\u983b\u90e8\u5206\u4f4e\u4e0b\u7684\u60c5\u5f62\u3002\u5982\u4e0b\u5716\u4e00\u6240\u793a\u3002\u76f8\u5c0d\u800c\u8a00\uff0c\u767c\u8072\u9053\u7684\u983b\u7387\u97ff\u61c9\uff0c\u7279\u5225\u662f\u5171\u632f\u826f\u597d\u6642\uff0c\u5176 \u826f\u7684\u8a9e\u8005\u9451\u5225\u6548\u679c\u3002\u4ed6\u540c\u6642\u767c\u73fe\uff0cF3 \u8f03 F2 \u6709\u8457\u66f4\u597d\u7684\u7a69\u5b9a\u6027\uff0c\u4e5f\u5c31\u662f\u5c0d\u540c\u4e00\u500b\u8a9e\u8005\u5176\u8b8a\u7570\u6027\u8f03\u4f4e\u3002\u5728</td></tr></table>", |
| "type_str": "table", |
| "html": null |
| } |
| } |
| } |
| } |
