{"id":364,"date":"2017-11-27T21:43:28","date_gmt":"2017-11-27T13:43:28","guid":{"rendered":"http:\/\/www.tastestars.com\/?p=364"},"modified":"2017-11-27T22:47:29","modified_gmt":"2017-11-27T14:47:29","slug":"364","status":"publish","type":"post","link":"https:\/\/tastestars.com\/index.php\/2017\/11\/27\/364\/","title":{"rendered":"MFCC\u7279\u5f81\u4f7f\u7528\u65b9\u6cd5\u603b\u7ed3"},"content":{"rendered":"

\u9879\u76ee\u9700\u8981\u7528\u5230MFCC\u7279\u5f81\uff0c\u5173\u4e8eMFCC\u7684\u7279\u5f81\u5982\u4f55\u4f7f\u7528\uff0c\u4e00\u5f00\u59cb\u6211\u5f88\u56f0\u60d1\u3002\u73b0\u5728\u5206\u4eab\u4e00\u4e9b\u81ea\u5df1\u603b\u7ed3\u7684\u5e38\u89c1\u7684MFCC\u4f7f\u7528\u65b9\u6cd5\u3002\u6b22\u8fce\u8bc4\u8bba\u8865\u5145\u3002<\/p>\n

\u5047\u8bbe\u4e00\u6bb5\u8bed\u97f3\uff0c\u5206\u4e3an\u5e27\uff0c\u63d0\u53d6\u517612\u7ef4MFCC\u7279\u5f81
\n1.\t\u6bcf\u5e27MFCC\u7cfb\u6570\u72ec\u7acb\u5904\u7406\uff0c\u6bcf\u5e27\u4f5c\u4e3a\u65f6\u5e8f\u6027\u8fdb\u884c\u5904\u7406[1]. \u5982\u7528\u4e8e\u8bed\u97f3\u8bc6\u522b\uff0c\u4e0d\u540c\u5e27\u7684MFCC\u6784\u6210\u4e86\u4e00\u4e2a\u5e8f\u5217\uff0c\u5c06\u89c2\u6d4b\u7684\u5e8f\u5217\u9010\u5e27\u8f93\u5165HMM\u6a21\u578b\u4e2d[6]\u3002(n*12)
\n2.\t\u6bcf\u5e27\u5bf9\u5e94\u76f8\u5e94\u7ef4MFCC\u7cfb\u6570\u5e73\u5747\u503c[2]. (1*12)
\n\"\"
\n3.\t\u5bf9\u4e00\u6bb5\u8bed\u97f3\u7684MFCC\u7279\u5f81\u77e9\u9635(n*12)\u8fdb\u884c\uff08K-means\uff09\u964d\u7ef4\uff0c\u5982\u4e00\u6bb5\u8bed\u97f3\u964d\u7ef4\u6210k\u4e2aMFCC\u7279\u5f81\u5411\u91cf\u8fdb\u884c\u8868\u793a[3]\u3002(k*12)
\n\"\"
\n4.\t\u7528\u4e8e\u8bf4\u8bdd\u4eba\u8bc6\u522b\uff0c\u6bcf\u4e00\u5e27\u8fdb\u884c\u5904\u7406\uff0c\u7528\u52a8\u6001\u65f6\u95f4\u89c4\u6574 DTW\u7b97\u6cd5\uff0c\u9010\u5e27\u8ba1\u7b97\u76f8\u5e94MFCC\u7cfb\u6570\u4e4b\u95f4\u7684\u8ddd\u79bb[4]\u3002 (n*12)
\n5.\t\u4e00\u6bb5\u8bed\u97f3\uff0c\u6c42\u5f97\u5e8f\u5217\u7684MFCC\u7edf\u8ba1\u7279\u5f81\uff0c\u7279\u5f81\u5e8f\u5217\u53ef\u4ee5\u7528\u5e8f\u5217\u7684\u7edf\u8ba1\u7279\u5f81\u6765\u8868\u8ff0\uff0c\u4ee5\u8fbe\u5230\u5c06\u4e8c\u7ef4\u7684\u7cfb\u6570\u77e9\u9635\u964d\u7ef4\u6210\u4e00\u7ef4\u7684\u7279\u5f81\u5411\u91cf[5] (n*12)<\/p>\n

[1] \u4e8e\u660e,\u8881\u7389\u5029,\u8463\u6d69,\u738b\u54f2. \u4e00\u79cd\u57fa\u4e8eMFCC\u548cLPCC\u7684\u6587\u672c\u76f8\u5173\u8bf4\u8bdd\u4eba\u8bc6\u522b\u65b9\u6cd5[J]. \u8ba1\u7b97\u673a\u5e94\u7528,2006,(04):883-885.
\n[2] \u80e1\u8d63. \u57fa\u4e8e\u7279\u5f81\u7ec4\u5408\u7684\u4e2d\u533b\u58f0\u8bca\u5ba2\u89c2\u5316\u7814\u7a76[D].\u534e\u4e1c\u7406\u5de5\u5927\u5b66,2014.
\n[3] \u4f59\u5efa\u6f6e,\u5f20\u745e\u6797. \u57fa\u4e8eMFCC\u548cLPCC\u7684\u8bf4\u8bdd\u4eba\u8bc6\u522b[J]. \u8ba1\u7b97\u673a\u5de5\u7a0b\u4e0e\u8bbe\u8ba1,2009,30(05):1189-1191.
\n[4] \u4e8e\u660e,\u8881\u7389\u5029,\u8463\u6d69,\u738b\u54f2. \u4e00\u79cd\u57fa\u4e8eMFCC\u548cLPCC\u7684\u6587\u672c\u76f8\u5173\u8bf4\u8bdd\u4eba\u8bc6\u522b\u65b9\u6cd5[J]. \u8ba1\u7b97\u673a\u5e94\u7528,2006,(04):883-885.
\n[5] \u97e9\u4e00,\u738b\u56fd\u80e4,\u6768\u52c7. \u57fa\u4e8eMFCC\u7684\u8bed\u97f3\u60c5\u611f\u8bc6\u522b[J]. \u91cd\u5e86\u90ae\u7535\u5927\u5b66\u5b66\u62a5(\u81ea\u7136\u79d1\u5b66\u7248),2008,(05):597-602.
\n[6] https:\/\/www.cnblogs.com\/tornadomeet\/p\/3276753.html 11.27\u68c0\u7d22<\/p>\n","protected":false},"excerpt":{"rendered":"

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