{"id":1145,"date":"2014-02-20T20:23:06","date_gmt":"2014-02-20T12:23:06","guid":{"rendered":"http:\/\/blog.dayandcarrot.net\/?p=1145"},"modified":"2014-02-20T20:23:06","modified_gmt":"2014-02-20T12:23:06","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%95%b0%e6%8d%ae%e6%8c%96%e6%8e%98%e7%ac%94%e8%ae%b0_14%ef%bc%88gmm-hmm%e8%af%ad%e9%9f%b3%e8%af%86%e5%88%ab%e7%ae%80%e5%8d%95%e7%90%86%e8%a7%a3%ef%bc%89","status":"publish","type":"post","link":"https:\/\/dayandcarrot.space\/?p=1145","title":{"rendered":"\u673a\u5668\u5b66\u4e60&#038;\u6570\u636e\u6316\u6398\u7b14\u8bb0_14\uff08GMM-HMM\u8bed\u97f3\u8bc6\u522b\u7b80\u5355\u7406\u89e3\uff09"},"content":{"rendered":"<p><strong><a href=\"http:\/\/www.cnblogs.com\/tornadomeet\/p\/3276753.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.cnblogs.com\/tornadomeet\/p\/3276753.html<\/a>\u00a0\u5168\u90e8\u5185\u5bb9\u53ca\u4ee3\u7801\u89c1\u5de6\u4fa7\u94fe\u63a5<\/strong><br \/>\n\u4e3a\u4e86\u5bf9GMM-HMM\u5728\u8bed\u97f3\u8bc6\u522b\u4e0a\u7684\u5e94\u7528\u6709\u4e2a\u5b8f\u89c2\u8ba4\u8bc6\uff0c\u82b1\u4e86\u4e9b\u65f6\u95f4\u8bfb\u4e86\u4e0bHTK\uff08<a href=\"http:\/\/www.cnblogs.com\/tornadomeet\/p\/3274078.html\">\u7528htk\u5b8c\u6210\u7b80\u5355\u7684\u5b64\u7acb\u8bcd\u8bc6\u522b<\/a>\uff09\u7684\u90e8\u5206\u6e90\u7801\uff0c\u5bf9\u8be5\u7b97\u6cd5\u603b\u7b97\u6709\u4e86\u70b9\u5927\u6982\u8ba4\u8bc6\uff0c\u8fbe\u5230\u4e86\u9884\u671f\u6211\u60f3\u8981\u7684\u3002\u4e0d\u5f97\u4e0d\u8bf4\uff0c\u7f51\u7edc\u4e0a\u5173\u4e8e\u8bed\u97f3\u8bc6\u522b\u7684\u901a\u4fd7\u6613\u61c2\u6559\u7a0b\u592a\u5c11\uff0c\u90fd\u662f\u5404\u79cd\u516c\u5f0f\u6ee1\u5929\u98de\uff0c\u5f88\u5c11\u6709\u8bf4\u5177\u4f53\u7ec6\u8282\u7684\uff0c\u5f53\u7136\u4e86\uff0c\u90a3\u9700\u8981\u6709\u5b9e\u6218\u7ecf\u9a8c\u624d\u884c\u3002\u4e0b\u9762\u603b\u7ed3\u4ee5\u4e0b\u51e0\u70b9\uff0c\u5bf9\u5176\u6709\u4e2a\u5b8f\u89c2\u5370\u8c61\u5373\u53ef\uff08\u4ee5\u5b64\u7acb\u8bcd\u8bc6\u522b\u4e3a\u4f8b\uff09\u3002<br \/>\n<strong>\u4e00\u3001<\/strong>\u6bcf\u4e2a\u5355\u8bcd\u7684\u8bfb\u97f3\u90fd\u5bf9\u5e94\u4e00\u4e2aHMM\u6a21\u578b\uff0c\u5927\u5bb6\u90fd\u77e5\u9053HMM\u6a21\u578b\u4e2d\u6709\u4e2a\u72b6\u6001\u96c6S\uff0c\u90a3\u4e48\u6bcf\u4e2a\u72b6\u6001\u7528\u4ec0\u4e48\u6765\u8868\u793a\u5462\uff0c\u6570\u5b57\uff1f\u5411\u91cf\uff1f\u77e9\u9635\uff1f\u5176\u5b9e\u8fd9\u4e2a\u72b6\u6001\u96c6\u4e2d\u7684\u72b6\u6001\u6ca1\u6709\u5177\u4f53\u7684\u6570\u5b66\u8981\u6c42\uff0c\u53ea\u662f\u4e00\u4e2a\u540d\u79f0\u800c\u5df2\uff0c\u4f60\u53ef\u4ee5\u7528\u20191\u2019, \u20192\u2019, \u20183\u2019\u2026\u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u7528\u2019a\u2019, \u2018b\u2019, \u2019c \u2019\u8868\u793a\u3002\u53e6\u5916\u6bcf\u4e2aHMM\u6a21\u578b\u4e2d\u5230\u5e95\u8be5\u7528\u591a\u5c11\u4e2a\u72b6\u6001\uff0c\u662f\u901a\u8fc7\u5148\u9a8c\u77e5\u8bc6\u4eba\u4e3a\u8bbe\u5b9a\u7684\u3002<br \/>\n<strong>\u4e8c\u3001<\/strong>HMM\u7684\u6bcf\u4e00\u4e2a\u72b6\u6001\u90fd\u5bf9\u5e94\u6709\u4e00\u4e2a\u89c2\u5bdf\u503c\uff0c\u8fd9\u4e2a\u89c2\u5bdf\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b9e\u6570\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e2a\u5411\u91cf\uff0c\u4e14\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u5bdf\u503c\u7684\u7ef4\u5ea6\u5e94\u8be5\u76f8\u540c\u3002\u5047\u8bbe\u73b0\u5728\u6709\u4e00\u4e2a\u5355\u8bcd\u7684\u97f3\u9891\u6587\u4ef6\uff0c\u9996\u5148\u9700\u8981\u5c06\u5176\u8fdb\u884c\u91c7\u6837\u5f97\u5230\u6570\u5b57\u4fe1\u606f\uff08A\/D\u8f6c\u6362\uff09\uff0c\u7136\u540e\u5206\u5e27\u8fdb\u884cMFCC\u7279\u5f81\u63d0\u53d6\uff0c\u5047\u8bbe\u6bcf\u4e00\u5e27\u97f3\u9891\u5bf9\u5e94\u7684MFCC\u7279\u5f81\u957f\u5ea6\u4e3a39\uff0c\u5219\u6bcf\u4e2a\u97f3\u9891\u6587\u4ef6\u5c31\u8f6c\u6362\u6210\u4e86N\u4e2aMFCC\u5411\u91cf\uff08\u4e0d\u540c\u97f3\u9891\u6587\u4ef6\u5bf9\u5e94\u7684N\u53ef\u80fd\u4e0d\u540c\uff09\uff0c\u8fd9\u5c31\u6210\u4e86\u4e00\u4e2a\u5e8f\u5217\uff0c\u800c\u5728\u8bad\u7ec3HMM\u6a21\u578b\u7684\u53c2\u6570\u65f6\uff08\u6bd4\u5982\u7528Baum-Welch\u7b97\u6cd5\uff09\uff0c\u6bcf\u6b21\u8f93\u5165\u5230HMM\u4e2d\u7684\u6570\u636e\u8981\u6c42\u5c31\u662f\u4e00\u4e2a\u89c2\u6d4b\u503c\u5e8f\u5217\u3002\u8fd9\u65f6\uff0c\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u6d4b\u503c\u4e3a39\u7ef4\u7684\u5411\u91cf\uff0c\u56e0\u4e3a\u5411\u91cf\u4e2d\u5143\u7d20\u7684\u53d6\u503c\u662f\u8fde\u7eed\u7684\uff0c\u9700\u8981\u7528\u591a\u7ef4\u5bc6\u5ea6\u51fd\u6570\u6765\u6a21\u62df\uff0c\u901a\u5e38\u60c5\u51b5\u4e0b\u7528\u7684\u662f\u591a\u7ef4\u9ad8\u65af\u51fd\u6570\u3002\u5728GMM-HMM\u4f53\u7cfb\u4e2d\uff0c\u8fd9\u4e2a\u62df\u5408\u51fd\u6570\u662f\u7528K\u4e2a\u591a\u7ef4\u9ad8\u65af\u6df7\u5408\u5f97\u5230\u7684\u3002\u5047\u8bbe\u77e5\u9053\u4e86\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684K\u4e2a\u591a\u7ef4\u9ad8\u65af\u7684\u6240\u6709\u53c2\u6570\uff0c\u5219\u8be5GMM\u751f\u6210\u8be5\u72b6\u6001\u4e0a\u67d0\u4e00\u4e2a\u89c2\u5bdf\u5411\u91cf\uff08\u4e00\u5e27\u97f3\u9891\u7684MFCC\u7cfb\u6570\uff09\u7684\u6982\u7387\u5c31\u53ef\u4ee5\u6c42\u51fa\u6765\u4e86\u3002<br \/>\n<strong>\u4e09\u3001<\/strong>\u5bf9\u6bcf\u4e2a\u5355\u8bcd\u5efa\u7acb\u4e00\u4e2aHMM\u6a21\u578b\uff0c\u9700\u8981\u7528\u5230\u8be5\u5355\u8bcd\u7684\u8bad\u7ec3\u6837\u672c\uff0c\u8fd9\u4e9b\u8bad\u7ec3\u6837\u672c\u662f\u63d0\u524d\u6807\u6ce8\u597d\u7684\uff0c\u5373\u6bcf\u4e2a\u6837\u672c\u5bf9\u5e94\u4e00\u6bb5\u97f3\u9891\uff0c\u8be5\u97f3\u9891\u53ea\u5305\u542b\u8fd9\u4e2a\u5355\u8bcd\u7684\u8bfb\u97f3\u3002\u5f53\u6709\u4e86\u8be5\u5355\u8bcd\u7684\u591a\u4e2a\u8bad\u7ec3\u6837\u672c\u540e\uff0c\u5c31\u7528\u8fd9\u4e9b\u6837\u672c\u7ed3\u5408Baum-Welch\u7b97\u6cd5\u548cEM\u7b97\u6cd5\u6765\u8bad\u7ec3\u51faGMM-HMM\u7684\u6240\u6709\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5305\u62ec\u521d\u59cb\u72b6\u6001\u7684\u6982\u7387\u5411\u91cf\uff0c\u72b6\u6001\u4e4b\u95f4\u7684\u8f6c\u79fb\u77e9\u9635\uff0c\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u5bdf\u77e9\u9635\uff08\u8fd9\u91cc\u5bf9\u5e94\u7684\u662fGMM\uff0c\u5373\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684K\u4e2a\u9ad8\u65af\u7684\u6743\u503c\uff0c\u6bcf\u4e2a\u9ad8\u65af\u7684\u5747\u503c\u5411\u91cf\u548c\u65b9\u5dee\u77e9\u9635\uff09\u3002<br \/>\n<strong>\u56db\u3001<\/strong>\u5728\u8bc6\u522b\u9636\u6bb5\uff0c\u8f93\u5165\u4e00\u6bb5\u97f3\u9891\uff0c\u5982\u679c\u8be5\u97f3\u9891\u542b\u6709\u591a\u4e2a\u5355\u8bcd\uff0c\u5219\u53ef\u4ee5\u624b\u52a8\u5148\u5c06\u5176\u5206\u5272\u5f00\uff08\u8003\u8651\u7684\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff09\uff0c\u7136\u540e\u63d0\u53d6\u6bcf\u4e2a\u5355\u8bcd\u7684\u97f3\u9891MFCC\u7279\u5f81\u5e8f\u5217\uff0c\u5c06\u8be5\u5e8f\u5217\u8f93\u5165\u5230\u6bcf\u4e2aHMM\u6a21\u578b\uff08\u5df2\u63d0\u524d\u8bad\u7ec3\u597d\u7684\uff09\u4e2d\uff0c\u91c7\u7528\u524d\u5411\u7b97\u6cd5\u6c42\u51fa\u6bcf\u4e2aHMM\u6a21\u578b\u751f\u6210\u8be5\u5e8f\u5217\u7684\u6982\u7387\uff0c\u6700\u540e\u53d6\u6700\u5927\u6982\u7387\u5bf9\u5e94\u7684\u90a3\u4e2a\u6a21\u578b\uff0c\u800c\u90a3\u4e2a\u6a21\u578b\u6240\u8868\u793a\u7684\u5355\u8bcd\u5c31\u662f\u6211\u4eec\u8bc6\u522b\u7684\u7ed3\u679c\u3002<br \/>\n<strong>\u4e94\u3001<\/strong>\u5728\u5efa\u7acb\u58f0\u5b66\u6a21\u578b\u65f6\uff0c\u53ef\u4ee5\u7528Deep Learning\u7684\u65b9\u6cd5\u6765\u4ee3\u66ffGMM-HMM\u4e2d\u7684GMM\uff0c\u56e0\u4e3aGMM\u6a21\u62df\u4efb\u610f\u51fd\u6570\u7684\u529f\u80fd\u53d6\u51b3\u4e8e\u6df7\u5408\u9ad8\u65af\u51fd\u6570\u7684\u4e2a\u6570\uff0c\u6240\u4ee5\u5177\u6709\u4e00\u5b9a\u7684\u5c40\u9650\u6027\uff0c\u5c5e\u4e8e\u6d45\u5c42\u6a21\u578b\u3002\u800cDeep Network\u53ef\u4ee5\u6a21\u62df\u4efb\u610f\u7684\u51fd\u6570\uff0c\u56e0\u800c\u8868\u8fbe\u80fd\u529b\u66f4\u5f3a\u3002\u6ce8\u610f\uff0c\u8fd9\u91cc\u7528\u6765\u4ee3\u66ffGMM\u7684Deep Nets\u6a21\u578b\u8981\u6c42\u662f\u4ea7\u751f\u5f0f\u6a21\u578b\uff0c\u6bd4\u5982DBN\uff0cDBM\u7b49\uff0c\u56e0\u4e3a\u5728\u8bad\u7ec3HMM-DL\u7f51\u7edc\u65f6\uff0c\u9700\u8981\u7528\u5230HMM\u7684\u67d0\u4e2a\u72b6\u6001\u4ea7\u751f\u4e00\u4e2a\u6837\u672c\u7684\u6982\u7387\u3002<br \/>\n<strong>\u516d\u3001<\/strong>GMM-HMM\u5728\u5177\u4f53\u5b9e\u73b0\u8d77\u6765\u8fd8\u662f\u76f8\u5f53\u590d\u6742\u7684\u3002<br \/>\n<strong>\u4e03\u3001<\/strong>\u4e00\u822c\u6d89\u53ca\u5230\u65f6\u95f4\u5e8f\u5217\u65f6\u624d\u4f1a\u4f7f\u7528HMM\uff0c\u6bd4\u5982\u8fd9\u91cc\u97f3\u9891\u4e2d\u7684\u8bed\u97f3\u8bc6\u522b\uff0c\u89c6\u9891\u4e2d\u7684\u884c\u4e3a\u8bc6\u522b\u7b49\u3002\u5982\u679c\u6211\u4eec\u7528GMM-HMM\u5bf9\u9759\u6001\u7684\u56fe\u7247\u5206\u7c7b\uff0c\u56e0\u4e3a\u8fd9\u91cc\u6ca1\u6d89\u53ca\u5230\u65f6\u95f4\u4fe1\u606f\uff0c\u6240\u4ee5HMM\u7684\u72b6\u6001\u6570\u53ef\u8bbe\u4e3a1\uff0c\u90a3\u4e48\u6b64\u65f6\u7684GMM-HMM\u7b97\u6cd5\u5c31\u9000\u5316\u6210GMM\u7b97\u6cd5\u4e86\u3002<br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/www.cnblogs.com\/tornadomeet\/p\/3276753.html\u00a0\u5168\u90e8\u5185\u5bb9\u53ca\u4ee3\u7801\u89c1\u5de6\u4fa7\u94fe\u63a5 \u4e3a\u4e86\u5bf9GMM-HMM\u5728\u8bed\u97f3\u8bc6\u522b\u4e0a\u7684\u5e94\u7528\u6709\u4e2a\u5b8f\u89c2\u8ba4\u8bc6\uff0c\u82b1\u4e86\u4e9b\u65f6\u95f4\u8bfb\u4e86\u4e0bHTK\uff08\u7528htk\u5b8c\u6210\u7b80\u5355\u7684\u5b64\u7acb\u8bcd\u8bc6\u522b\uff09\u7684\u90e8\u5206\u6e90\u7801\uff0c\u5bf9\u8be5\u7b97\u6cd5\u603b\u7b97\u6709\u4e86\u70b9\u5927\u6982\u8ba4\u8bc6\uff0c\u8fbe\u5230\u4e86\u9884\u671f\u6211\u60f3\u8981\u7684\u3002\u4e0d\u5f97\u4e0d\u8bf4\uff0c\u7f51\u7edc\u4e0a\u5173\u4e8e\u8bed\u97f3\u8bc6\u522b\u7684\u901a\u4fd7\u6613\u61c2\u6559\u7a0b\u592a\u5c11\uff0c\u90fd\u662f\u5404\u79cd\u516c\u5f0f\u6ee1\u5929\u98de\uff0c\u5f88\u5c11\u6709\u8bf4\u5177\u4f53\u7ec6\u8282\u7684\uff0c\u5f53\u7136\u4e86\uff0c\u90a3\u9700\u8981\u6709\u5b9e\u6218\u7ecf\u9a8c\u624d\u884c\u3002\u4e0b\u9762\u603b\u7ed3\u4ee5\u4e0b\u51e0\u70b9\uff0c\u5bf9\u5176\u6709\u4e2a\u5b8f\u89c2\u5370\u8c61\u5373\u53ef\uff08\u4ee5\u5b64\u7acb\u8bcd\u8bc6\u522b\u4e3a\u4f8b\uff09\u3002 \u4e00\u3001\u6bcf\u4e2a\u5355\u8bcd\u7684\u8bfb\u97f3\u90fd\u5bf9\u5e94\u4e00\u4e2aHMM\u6a21\u578b\uff0c\u5927\u5bb6\u90fd\u77e5\u9053HMM\u6a21\u578b\u4e2d\u6709\u4e2a\u72b6\u6001\u96c6S\uff0c\u90a3\u4e48\u6bcf\u4e2a\u72b6\u6001\u7528\u4ec0\u4e48\u6765\u8868\u793a\u5462\uff0c\u6570\u5b57\uff1f\u5411\u91cf\uff1f\u77e9\u9635\uff1f\u5176\u5b9e\u8fd9\u4e2a\u72b6\u6001\u96c6\u4e2d\u7684\u72b6\u6001\u6ca1\u6709\u5177\u4f53\u7684\u6570\u5b66\u8981\u6c42\uff0c\u53ea\u662f\u4e00\u4e2a\u540d\u79f0\u800c\u5df2\uff0c\u4f60\u53ef\u4ee5\u7528\u20191\u2019, \u20192\u2019, \u20183\u2019\u2026\u8868\u793a\uff0c\u4e5f\u53ef\u4ee5\u7528\u2019a\u2019, \u2018b\u2019, \u2019c \u2019\u8868\u793a\u3002\u53e6\u5916\u6bcf\u4e2aHMM\u6a21\u578b\u4e2d\u5230\u5e95\u8be5\u7528\u591a\u5c11\u4e2a\u72b6\u6001\uff0c\u662f\u901a\u8fc7\u5148\u9a8c\u77e5\u8bc6\u4eba\u4e3a\u8bbe\u5b9a\u7684\u3002 \u4e8c\u3001HMM\u7684\u6bcf\u4e00\u4e2a\u72b6\u6001\u90fd\u5bf9\u5e94\u6709\u4e00\u4e2a\u89c2\u5bdf\u503c\uff0c\u8fd9\u4e2a\u89c2\u5bdf\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b9e\u6570\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e2a\u5411\u91cf\uff0c\u4e14\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u5bdf\u503c\u7684\u7ef4\u5ea6\u5e94\u8be5\u76f8\u540c\u3002\u5047\u8bbe\u73b0\u5728\u6709\u4e00\u4e2a\u5355\u8bcd\u7684\u97f3\u9891\u6587\u4ef6\uff0c\u9996\u5148\u9700\u8981\u5c06\u5176\u8fdb\u884c\u91c7\u6837\u5f97\u5230\u6570\u5b57\u4fe1\u606f\uff08A\/D\u8f6c\u6362\uff09\uff0c\u7136\u540e\u5206\u5e27\u8fdb\u884cMFCC\u7279\u5f81\u63d0\u53d6\uff0c\u5047\u8bbe\u6bcf\u4e00\u5e27\u97f3\u9891\u5bf9\u5e94\u7684MFCC\u7279\u5f81\u957f\u5ea6\u4e3a39\uff0c\u5219\u6bcf\u4e2a\u97f3\u9891\u6587\u4ef6\u5c31\u8f6c\u6362\u6210\u4e86N\u4e2aMFCC\u5411\u91cf\uff08\u4e0d\u540c\u97f3\u9891\u6587\u4ef6\u5bf9\u5e94\u7684N\u53ef\u80fd\u4e0d\u540c\uff09\uff0c\u8fd9\u5c31\u6210\u4e86\u4e00\u4e2a\u5e8f\u5217\uff0c\u800c\u5728\u8bad\u7ec3HMM\u6a21\u578b\u7684\u53c2\u6570\u65f6\uff08\u6bd4\u5982\u7528Baum-Welch\u7b97\u6cd5\uff09\uff0c\u6bcf\u6b21\u8f93\u5165\u5230HMM\u4e2d\u7684\u6570\u636e\u8981\u6c42\u5c31\u662f\u4e00\u4e2a\u89c2\u6d4b\u503c\u5e8f\u5217\u3002\u8fd9\u65f6\uff0c\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u6d4b\u503c\u4e3a39\u7ef4\u7684\u5411\u91cf\uff0c\u56e0\u4e3a\u5411\u91cf\u4e2d\u5143\u7d20\u7684\u53d6\u503c\u662f\u8fde\u7eed\u7684\uff0c\u9700\u8981\u7528\u591a\u7ef4\u5bc6\u5ea6\u51fd\u6570\u6765\u6a21\u62df\uff0c\u901a\u5e38\u60c5\u51b5\u4e0b\u7528\u7684\u662f\u591a\u7ef4\u9ad8\u65af\u51fd\u6570\u3002\u5728GMM-HMM\u4f53\u7cfb\u4e2d\uff0c\u8fd9\u4e2a\u62df\u5408\u51fd\u6570\u662f\u7528K\u4e2a\u591a\u7ef4\u9ad8\u65af\u6df7\u5408\u5f97\u5230\u7684\u3002\u5047\u8bbe\u77e5\u9053\u4e86\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684K\u4e2a\u591a\u7ef4\u9ad8\u65af\u7684\u6240\u6709\u53c2\u6570\uff0c\u5219\u8be5GMM\u751f\u6210\u8be5\u72b6\u6001\u4e0a\u67d0\u4e00\u4e2a\u89c2\u5bdf\u5411\u91cf\uff08\u4e00\u5e27\u97f3\u9891\u7684MFCC\u7cfb\u6570\uff09\u7684\u6982\u7387\u5c31\u53ef\u4ee5\u6c42\u51fa\u6765\u4e86\u3002 \u4e09\u3001\u5bf9\u6bcf\u4e2a\u5355\u8bcd\u5efa\u7acb\u4e00\u4e2aHMM\u6a21\u578b\uff0c\u9700\u8981\u7528\u5230\u8be5\u5355\u8bcd\u7684\u8bad\u7ec3\u6837\u672c\uff0c\u8fd9\u4e9b\u8bad\u7ec3\u6837\u672c\u662f\u63d0\u524d\u6807\u6ce8\u597d\u7684\uff0c\u5373\u6bcf\u4e2a\u6837\u672c\u5bf9\u5e94\u4e00\u6bb5\u97f3\u9891\uff0c\u8be5\u97f3\u9891\u53ea\u5305\u542b\u8fd9\u4e2a\u5355\u8bcd\u7684\u8bfb\u97f3\u3002\u5f53\u6709\u4e86\u8be5\u5355\u8bcd\u7684\u591a\u4e2a\u8bad\u7ec3\u6837\u672c\u540e\uff0c\u5c31\u7528\u8fd9\u4e9b\u6837\u672c\u7ed3\u5408Baum-Welch\u7b97\u6cd5\u548cEM\u7b97\u6cd5\u6765\u8bad\u7ec3\u51faGMM-HMM\u7684\u6240\u6709\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5305\u62ec\u521d\u59cb\u72b6\u6001\u7684\u6982\u7387\u5411\u91cf\uff0c\u72b6\u6001\u4e4b\u95f4\u7684\u8f6c\u79fb\u77e9\u9635\uff0c\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684\u89c2\u5bdf\u77e9\u9635\uff08\u8fd9\u91cc\u5bf9\u5e94\u7684\u662fGMM\uff0c\u5373\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u7684K\u4e2a\u9ad8\u65af\u7684\u6743\u503c\uff0c\u6bcf\u4e2a\u9ad8\u65af\u7684\u5747\u503c\u5411\u91cf\u548c\u65b9\u5dee\u77e9\u9635\uff09\u3002 \u56db\u3001\u5728\u8bc6\u522b\u9636\u6bb5\uff0c\u8f93\u5165\u4e00\u6bb5\u97f3\u9891\uff0c\u5982\u679c\u8be5\u97f3\u9891\u542b\u6709\u591a\u4e2a\u5355\u8bcd\uff0c\u5219\u53ef\u4ee5\u624b\u52a8\u5148\u5c06\u5176\u5206\u5272\u5f00\uff08\u8003\u8651\u7684\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff09\uff0c\u7136\u540e\u63d0\u53d6\u6bcf\u4e2a\u5355\u8bcd\u7684\u97f3\u9891MFCC\u7279\u5f81\u5e8f\u5217\uff0c\u5c06\u8be5\u5e8f\u5217\u8f93\u5165\u5230\u6bcf\u4e2aHMM\u6a21\u578b\uff08\u5df2\u63d0\u524d\u8bad\u7ec3\u597d\u7684\uff09\u4e2d\uff0c\u91c7\u7528\u524d\u5411\u7b97\u6cd5\u6c42\u51fa\u6bcf\u4e2aHMM\u6a21\u578b\u751f\u6210\u8be5\u5e8f\u5217\u7684\u6982\u7387\uff0c\u6700\u540e\u53d6\u6700\u5927\u6982\u7387\u5bf9\u5e94\u7684\u90a3\u4e2a\u6a21\u578b\uff0c\u800c\u90a3\u4e2a\u6a21\u578b\u6240\u8868\u793a\u7684\u5355\u8bcd\u5c31\u662f\u6211\u4eec\u8bc6\u522b\u7684\u7ed3\u679c\u3002 \u4e94\u3001\u5728\u5efa\u7acb\u58f0\u5b66\u6a21\u578b\u65f6\uff0c\u53ef\u4ee5\u7528Deep Learning\u7684\u65b9\u6cd5\u6765\u4ee3\u66ffGMM-HMM\u4e2d\u7684GMM\uff0c\u56e0\u4e3aGMM\u6a21\u62df\u4efb\u610f\u51fd\u6570\u7684\u529f\u80fd\u53d6\u51b3\u4e8e\u6df7\u5408\u9ad8\u65af\u51fd\u6570\u7684\u4e2a\u6570\uff0c\u6240\u4ee5\u5177\u6709\u4e00\u5b9a\u7684\u5c40\u9650\u6027\uff0c\u5c5e\u4e8e\u6d45\u5c42\u6a21\u578b\u3002\u800cDeep Network\u53ef\u4ee5\u6a21\u62df\u4efb\u610f\u7684\u51fd\u6570\uff0c\u56e0\u800c\u8868\u8fbe\u80fd\u529b\u66f4\u5f3a\u3002\u6ce8\u610f\uff0c\u8fd9\u91cc\u7528\u6765\u4ee3\u66ffGMM\u7684Deep Nets\u6a21\u578b\u8981\u6c42\u662f\u4ea7\u751f\u5f0f\u6a21\u578b\uff0c\u6bd4\u5982DBN\uff0cDBM\u7b49\uff0c\u56e0\u4e3a\u5728\u8bad\u7ec3HMM-DL\u7f51\u7edc\u65f6\uff0c\u9700\u8981\u7528\u5230HMM\u7684\u67d0\u4e2a\u72b6\u6001\u4ea7\u751f\u4e00\u4e2a\u6837\u672c\u7684\u6982\u7387\u3002 \u516d\u3001GMM-HMM\u5728\u5177\u4f53\u5b9e\u73b0\u8d77\u6765\u8fd8\u662f\u76f8\u5f53\u590d\u6742\u7684\u3002 \u4e03\u3001\u4e00\u822c\u6d89\u53ca\u5230\u65f6\u95f4\u5e8f\u5217\u65f6\u624d\u4f1a\u4f7f\u7528HMM\uff0c\u6bd4\u5982\u8fd9\u91cc\u97f3\u9891\u4e2d\u7684\u8bed\u97f3\u8bc6\u522b\uff0c\u89c6\u9891\u4e2d\u7684\u884c\u4e3a\u8bc6\u522b\u7b49\u3002\u5982\u679c\u6211\u4eec\u7528GMM-HMM\u5bf9\u9759\u6001\u7684\u56fe\u7247\u5206\u7c7b\uff0c\u56e0\u4e3a\u8fd9\u91cc\u6ca1\u6d89\u53ca\u5230\u65f6\u95f4\u4fe1\u606f\uff0c\u6240\u4ee5HMM\u7684\u72b6\u6001\u6570\u53ef\u8bbe\u4e3a1\uff0c\u90a3\u4e48\u6b64\u65f6\u7684GMM-HMM\u7b97\u6cd5\u5c31\u9000\u5316\u6210GMM\u7b97\u6cd5\u4e86\u3002 &nbsp; &nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[48,51,135,171],"class_list":["post-1145","post","type-post","status-publish","format-standard","hentry","category-study","tag-gmm","tag-hmm","tag-135","tag-171"],"_links":{"self":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts\/1145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1145"}],"version-history":[{"count":0,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts\/1145\/revisions"}],"wp:attachment":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}