{"id":16704,"date":"2026-09-21T03:26:03","date_gmt":"2026-09-21T03:26:03","guid":{"rendered":"https:\/\/sistc.com\/?p=16704"},"modified":"2026-09-21T03:26:07","modified_gmt":"2026-09-21T03:26:07","slug":"dnn-for-speech-enhancement","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/dnn-for-speech-enhancement\/","title":{"rendered":"\u7528\u4e8e\u8bed\u97f3\u589e\u5f3a\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff1a\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u5982\u4f55\u964d\u4f4e\u97f3\u9891\u566a\u58f0"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u4f20\u7edf <a href=\"https:\/\/sistc.com\/zh\/audio-noise-reduction-guide\/\">\u97f3\u9891\u964d\u566a<\/a> \u8bf8\u5982\u9891\u8c31\u51cf\u6cd5\u3001\u7ef4\u7eb3\u6ee4\u6ce2\u3001\u81ea\u9002\u5e94\u6ee4\u6ce2\u548cNMF\u7b49\u65b9\u6cd5\u5df2\u5728\u6570\u5b57\u97f3\u9891\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u58f0\u5b66\u73af\u5883\u6b63\u53d8\u5f97\u65e5\u76ca\u590d\u6742\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u4ee3\u9ea6\u514b\u98ce\u53ef\u80fd\u9700\u8981\u5e94\u5bf9\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u591a\u4e2a\u53d1\u8a00\u4eba<\/li>\n\n\n\n<li>\u80cc\u666f\u5bf9\u8bdd<\/li>\n\n\n\n<li>\u4ea4\u901a\u566a\u97f3<\/li>\n\n\n\n<li>\u952e\u76d8\u58f0\u97f3<\/li>\n\n\n\n<li>\u98ce\u6247\u548c\u7a7a\u8c03<\/li>\n\n\n\n<li>\u97f3\u4e50<\/li>\n\n\n\n<li>\u7a81\u53d1\u7684\u77ed\u6682\u58f0\u97f3<\/li>\n\n\n\n<li>\u6df7\u54cd<\/li>\n\n\n\n<li>\u8a00\u8bed\u91cd\u53e0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u56fa\u5b9a\u7684\u6570\u5b66\u5047\u8bbe\u6765\u5bf9\u8fd9\u4e9b\u6761\u4ef6\u5efa\u6a21\u53ef\u80fd\u6bd4\u8f83\u56f0\u96be\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f <strong>\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09<\/strong> for speech enhancement become useful.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u8bed\u97f3\u589e\u5f3a\u7cfb\u7edf\u80fd\u591f\u4ece\u6d77\u91cf\u7684\u8bad\u7ec3\u6570\u636e\u4e2d\u5b66\u4e60\u566a\u58f0\u8bed\u97f3\u4e0e\u6e05\u6670\u8bed\u97f3\u4e4b\u95f4\u7684\u5173\u7cfb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u65e0\u9700\u624b\u52a8\u5b9a\u4e49\u6bcf\u79cd\u566a\u58f0\u7279\u5f81\uff0c\u800c\u662f\u901a\u8fc7\u5b66\u4e60\u6a21\u5f0f\u6765\u533a\u5206\u8bed\u97f3\u4e0e\u4e0d\u9700\u8981\u7684\u58f0\u5b66\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u9610\u8ff0\u4e86\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5185\u5bb9\u6db5\u76d6\u8f93\u5165\u7279\u5f81\u3001\u9891\u8c31\u63a9\u6a21\u3001\u7f51\u7edc\u67b6\u6784\u3001\u8bad\u7ec3\u3001\u635f\u5931\u51fd\u6570\u3001\u5b9e\u65f6\u90e8\u7f72\u3001\u9ea6\u514b\u98ce\u9635\u5217\uff0c\u4ee5\u53ca\u4eba\u5de5\u667a\u80fd\u4e0e\u4f20\u7edf\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP\uff09\u4e4b\u95f4\u7684\u5173\u7cfb\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">1. \u4ec0\u4e48\u662f DNN \u8bed\u97f3\u589e\u5f3a\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u8bed\u97f3\u589e\u5f3a<\/strong> \u5229\u7528\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff0c\u4ece\u5e26\u566a\u58f0\u7684\u97f3\u9891\u4fe1\u53f7\u4e2d\u4f30\u8ba1\u51fa\u66f4\u6e05\u6670\u7684\u8bed\u97f3\u8868\u5f81\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5316\u7684\u7cfb\u7edf\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e26\u566a\u58f0\u7684\u8bed\u97f3\n \u2193\n\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\n \u2193\n\u65f6\u9891\u7279\u5f81\n \u2193\n\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\n \u2193\n\u8bed\u97f3\/\u566a\u58f0\u4f30\u8ba1\n \u2193\n\u589e\u5f3a\u8c31\u56fe\n \u2193\n\u9006\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\n \u2193\n\u589e\u5f3a\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u5165\u53ef\u4ee5\u662f\u5e26\u566a\u58f0\u7684\u6ce2\u5f62\u3001\u9891\u8c31\u56fe\uff0c\u6216\u662f\u58f0\u5b66\u7279\u5f81\u7684\u7ec4\u5408\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u53ef\u4ee5\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u589e\u5f3a\u8bed\u97f3<\/li>\n\n\n\n<li>\u566a\u58f0\u4f30\u8ba1<\/li>\n\n\n\n<li>\u8bed\u97f3\u63a9\u7801<\/li>\n\n\n\n<li>\u4e00\u79cd\u590d\u8c31\u8868\u793a\u6cd5<\/li>\n\n\n\n<li>\u65f6\u57df\u6ce2\u5f62<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u67b6\u6784\u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2. \u4e3a\u4ec0\u4e48\u4f7f\u7528\u6df1\u5ea6\u5b66\u4e60\u8fdb\u884c\u97f3\u9891\u589e\u5f3a\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">In recent years, there has been a growing interest in DNN for speech enhancement, which greatly improves the clarity of audio signals in various environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684DSP\u7b97\u6cd5\u901a\u5e38\u4f9d\u8d56\u4e8e\u5bf9\u4fe1\u53f7\u7684\u67d0\u4e9b\u5047\u8bbe\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u9891\u8c31\u51cf\u6cd5\u65b9\u6cd5\u5047\u8bbe\u53ef\u4ee5\u4f30\u8ba1\u566a\u58f0\u8c31\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ef4\u7eb3\u6ee4\u6ce2\u9700\u8981\u5bf9\u4fe1\u53f7\u529f\u7387\u548c\u566a\u58f0\u529f\u7387\u8fdb\u884c\u4f30\u8ba1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u9002\u5e94\u6ee4\u6ce2\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u6709\u7528\u7684\u53c2\u8003\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9002\u5f53\u6761\u4ef6\u4e0b\uff0c\u8fd9\u4e9b\u5047\u8bbe\u662f\u6709\u6548\u7684\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u73b0\u5b9e\u4e2d\u7684\u58f0\u5b66\u73af\u5883\u5f80\u5f80\u96be\u4ee5\u9884\u6d4b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\u8f93\u5165\n=\n\u8bed\u97f3\n+\n\u98ce\u6247\u58f0\n+\n\u952e\u76d8\u58f0\n+\n\u5176\u4ed6\u8bed\u97f3\n+\n\u623f\u95f4\u6df7\u54cd\n+\n\u77ac\u6001\u566a\u58f0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u5e76\u4e0d\u5b58\u5728\u4e00\u4e2a\u80fd\u591f\u63cf\u8ff0\u6240\u6709\u8fd9\u4e9b\u7ec4\u6210\u90e8\u5206\u7684\u7b80\u5355\u6570\u5b66\u6a21\u578b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u53cd\uff0c\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u53ef\u4ee5\u4ece\u793a\u4f8b\u4e2d\u5b66\u4e60\u7edf\u8ba1\u89c4\u5f8b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bad\u7ec3\u6570\u636e\n \u2193\n\u5e72\u51c0\u7684\u8bed\u97f3 + \u566a\u58f0\n \u2193\n\u795e\u7ecf\u7f51\u7edc\u8bad\u7ec3\n \u2193\n\u5b66\u4e60\u5230\u7684\u58f0\u5b66\u8868\u793a\n \u2193\n\u5e26\u566a\u58f0\u7684\u8bed\u97f3\n \u2193\n\u589e\u5f3a\u540e\u7684\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u952e\u533a\u522b\u5728\u4e8e\uff0c\u8be5\u6a21\u578b\u662f\u4ece\u6570\u636e\u4e2d\u5b66\u4e60\u8f6c\u6362\u89c4\u5219\uff0c\u800c\u4e0d\u662f\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4eba\u5de5\u8bbe\u8ba1\u7684\u89c4\u5219\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3.<a href=\"https:\/\/sistc.com\/zh\/product\/dnn-ai-beamforming-microphone-array-module-gyla-4m-dnn35-i\/\" target=\"_blank\" rel=\"noreferrer noopener\"> DNN for speech enhancement <\/a>\u4e0e\u4f20\u7edfDSP\u76f8\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u5e76\u4e0d\u4e00\u5b9a\u80fd\u53d6\u4ee3\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\uff08DSP\uff09\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8bb8\u591a\u5b9e\u9645\u7cfb\u7edf\u4e2d\uff0c\u5b83\u4eec\u8d77\u5230\u4e86\u4e92\u8865\u4f5c\u7528\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65b9\u6cd5<\/th><th>\u4e3b\u8981\u539f\u5219<\/th><th>\u5178\u578b\u4f18\u52bf<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/sistc.com\/zh\/spectral-subtraction-audio-noise-reduction\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5149\u8c31\u51cf\u6cd5<\/a><\/td><td>\u4f30\u8ba1\u5e76\u6263\u9664\u566a\u58f0<\/td><td>\u7b80\u5355\u4e14\u8f7b\u4fbf<\/td><\/tr><tr><td><a href=\"https:\/\/sistc.com\/zh\/wiener-filtering-audio-noise-reduction\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7ef4\u7eb3\u6ee4\u6ce2\u5668<\/a><\/td><td>\u7edf\u8ba1\u4fe1\u53f7\u4f30\u8ba1<\/td><td>\u5e73\u6ed1\u964d\u566a<\/td><\/tr><tr><td><a href=\"https:\/\/sistc.com\/zh\/adaptive-noise-cancellation-lms-nlms-rls\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u81ea\u9002\u5e94\u6ee4\u6ce2\u5668<\/a><\/td><td>\u5b66\u4e60\u6ee4\u6ce2\u5668\u7cfb\u6570<\/td><td>\u9002\u7528\u4e8e\u76f8\u5173\u566a\u58f0<\/td><\/tr><tr><td>NMF<\/td><td>\u8c31\u5206\u91cf\u5206\u89e3<\/td><td>\u7ed3\u6784\u5316\u6e90\u5934\u5206\u7c7b<\/td><\/tr><tr><td>DNN<\/td><td>\u5b66\u4e60\u975e\u7ebf\u6027\u6620\u5c04<\/td><td>\u53ef\u5904\u7406\u590d\u6742\u7684\u58f0\u5b66\u6a21\u5f0f<\/td><\/tr><tr><td>CNN<\/td><td>\u5b66\u4e60\u5c40\u90e8\u65f6\u7a7a\u6a21\u5f0f<\/td><td>\u9ad8\u6548\u7684\u7279\u5f81\u63d0\u53d6<\/td><\/tr><tr><td>RNN\/LSTM<\/td><td>\u5efa\u6a21\u65f6\u95f4\u4f9d\u8d56\u5173\u7cfb<\/td><td>\u5f3a\u5927\u7684\u65f6\u95f4\u5efa\u6a21<\/td><\/tr><tr><td>Transformer<\/td><td>\u57fa\u4e8e\u6ce8\u610f\u529b\u7684\u5efa\u6a21<\/td><td>\u957f\u8ddd\u79bb\u4e0a\u4e0b\u6587<\/td><\/tr><tr><td>\u6df7\u5408\u5f0f DSP + AI<\/td><td>\u7ec4\u5408\u65b9\u6cd5<\/td><td>\u7075\u6d3b\u7684\u7cfb\u7edf\u67b6\u6784<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5de5\u7a0b\u95ee\u9898\u5e76\u4e0d\u53ea\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">AI \u6bd4 DSP \u66f4\u597d\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u66f4\u6709\u610f\u4e49\u7684\u95ee\u9898\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u54ea\u79cd\u7b97\u6cd5\u7ec4\u5408\u80fd\u591f\u6ee1\u8db3\u5bf9\u97f3\u8d28\u3001\u5ef6\u8fdf\u3001\u529f\u8017\u3001\u5185\u5b58\u548c\u5904\u7406\u80fd\u529b\u7684\u5404\u9879\u8981\u6c42\uff1f<\/p>\n<\/blockquote>\n\n\n\n<h1 class=\"wp-block-heading\">4. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u8bed\u97f3\u589e\u5f3a\u7684\u57fa\u672c\u67b6\u6784<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5178\u578b\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7cfb\u7edf\u53ef\u5206\u4e3a\u56db\u4e2a\u9636\u6bb5\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c1\u9636\u6bb5\u2014\u2014\u7279\u5f81\u63d0\u53d6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u566a\u58f0\u97f3\u9891\u88ab\u8f6c\u6362\u4e3a\u6709\u7528\u7684\u7279\u5f81\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u97f3\u9891\n \u2193\n\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\n \u2193\n\u5e45\u5ea6\u8c31\n \u2193\n\u7279\u5f81\u5411\u91cf<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u7684\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u632f\u5e45\u8c31<\/li>\n\n\n\n<li>\u5bf9\u6570\u5e45\u5ea6\u8c31<\/li>\n\n\n\n<li>\u529f\u7387\u8c31<\/li>\n\n\n\n<li>Mel\u9891\u8c31\u7279\u5f81<\/li>\n\n\n\n<li>\u5149\u8c31\u7279\u5f81<\/li>\n\n\n\n<li>\u4e0e\u76f8\u4f4d\u76f8\u5173\u7684\u7279\u5f81<\/li>\n\n\n\n<li>\u591a\u901a\u9053\u7a7a\u95f4\u7279\u5f81<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u9636\u6bb5\u2014\u2014\u795e\u7ecf\u7f51\u7edc\u5904\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u7279\u5f81\u88ab\u8f93\u5165\u5230\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e2d\u3002.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\u7279\u5f81\n \u2193\n\u5168\u8fde\u63a5\u5c42\n \u2193\n\u9690\u85cf\u5c42\n \u2193\n\u9690\u85cf\u5c42\n \u2193\n\u8f93\u51fa\u5c42<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u5b66\u4e60\u4e0e\u8bed\u97f3\u548c\u566a\u58f0\u76f8\u5173\u7684\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c3\u9636\u6bb5\u2014\u2014\u8bed\u97f3\u4f30\u8ba1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNN \u53ef\u80fd\u4f1a\u8f93\u51fa\u4e00\u4e2a\u8bed\u97f3\u63a9\u7801\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>M(k,t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>k<\/code> = \u9891\u7387\u533a\u95f4<\/li>\n\n\n\n<li><code>t<\/code> = \u65f6\u95f4\u8303\u56f4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u63a9\u819c\u6307\u793a\u4e86\u5e94\u4fdd\u7559\u6bcf\u4e2a\u65f6\u9891\u533a\u57df\u7684\u5f3a\u5ea6\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c4\u9636\u6bb5\u2014\u2014\u97f3\u9891\u91cd\u5efa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u4f30\u8ba1\u5f97\u5230\u7684\u63a9\u6a21\u5e94\u7528\u5230\u542b\u566a\u58f0\u7684\u9891\u8c31\u56fe\u4e0a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u015c(k,t) = M(k,t)Y(k,t)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Y(k,t)<\/code> = \u566a\u58f0\u8c31<\/li>\n\n\n\n<li><code>M(k,t)<\/code> = \u4f30\u8ba1\u7684\u8bed\u97f3\u63a9\u853d\u503c<\/li>\n\n\n\n<li><code>\u015c(k,t)<\/code> = \u589e\u5f3a\u9891\u8c31<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u9006\u77ed\u65f6\u5085\u91cc\u53f6\u53d8\u6362\uff08STFT\uff09\u5c06\u589e\u5f3a\u540e\u7684\u9891\u8c31\u91cd\u65b0\u8f6c\u6362\u4e3a\u97f3\u9891\u6ce2\u5f62\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">5. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7a76\u7adf\u5728\u5b66\u4e60\u4ec0\u4e48\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0d\u4ec5\u4ec5\u662f\u5728\u5b66\u4e60\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8bed\u97f3 = \u7279\u5b9a\u9891\u7387\u3002.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u97f3\u6db5\u76d6\u4e86\u8bb8\u591a\u9891\u7387\u8303\u56f4\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u53cd\uff0c\u8be5\u7f51\u7edc\u4f1a\u5b66\u4e60\u4ee5\u4e0b\u5143\u7d20\u4e4b\u95f4\u66f4\u590d\u6742\u7684\u5173\u7cfb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9891\u7387<\/li>\n\n\n\n<li>\u65f6\u95f4<\/li>\n\n\n\n<li>\u8c10\u6ce2\u7ed3\u6784<\/li>\n\n\n\n<li>\u8bed\u97f3\u6a21\u5f0f<\/li>\n\n\n\n<li>\u65f6\u95f4\u8fde\u7eed\u6027<\/li>\n\n\n\n<li>\u8c31\u5f62<\/li>\n\n\n\n<li>\u566a\u58f0\u7279\u6027<\/li>\n\n\n\n<li>\u4e0a\u4e0b\u6587\u4fe1\u606f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u8bed\u97f3\u8c10\u6ce2\u6a21\u5f0f\u53ef\u80fd\u4f1a\u8de8\u8d8a\u591a\u4e2a\u5e27\u800c\u6301\u7eed\u5b58\u5728\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u952e\u76d8\u70b9\u51fb\u58f0\u7684\u65f6\u95f4\u7ed3\u6784\u53ef\u80fd\u622a\u7136\u4e0d\u540c\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u4ece\u8bad\u7ec3\u6570\u636e\u4e2d\u5b66\u4e60\u8fd9\u4e9b\u5dee\u5f02\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u6df1\u5ea6\u5b66\u4e60\u5728\u590d\u6742\u73af\u5883\u4e2d\u80fd\u591f\u4f18\u4e8e\u7b80\u5355\u7684\u9891\u7387\u9608\u503c\u5904\u7406\u7684\u4e00\u4e2a\u539f\u56e0\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">6. \u7406\u60f3\u6bd4\u7387\u63a9\u7801\u4e0e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u8bed\u97f3\u589e\u5f3a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u8bad\u7ec3\u8be5\u7f51\u7edc\u6765\u4f30\u8ba1\u4e00\u4e2a <strong>\u7406\u60f3\u6bd4\u4f8b\u9762\u5177\uff08IRM\uff09<\/strong> \u6216\u76f8\u5173\u7684\u65f6\u9891\u63a9\u6a21\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>S(k,t) = \u6e05\u6670\u8bed\u97f3\u5e45\u5ea6\nN(k,t) = \u566a\u58f0\u5e45\u5ea6<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5316\u7684\u6bd4\u7387\u63a9\u819c\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>IRM(k,t) =\nS(k,t) \/ [S(k,t) + N(k,t)]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u6807\u503c\u901a\u5e38\u57280\u52301\u4e4b\u95f4\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u63a9\u7801 \u2248 1\n\u2192 \u4ee5\u8bed\u97f3\u4e3a\u4e3b\u7684\u533a\u57df\n\n\u63a9\u7801 \u2248 0\n\u2192 \u4ee5\u566a\u58f0\u4e3a\u4e3b\u7684\u533a\u57df<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7ecf\u8fc7\u8bad\u7ec3\uff0c\u80fd\u591f\u6839\u636e\u542b\u566a\u58f0\u7684\u97f3\u9891\u9884\u6d4b\u8be5\u63a9\u7801\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">7. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u7684\u5176\u4ed6\u8f93\u51fa\u76ee\u6807<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u5e76\u4e0d\u4e00\u5b9a\u975e\u8981\u9884\u6d4b\u4e00\u4e2a\u7406\u60f3\u7684\u6bd4\u7387\u63a9\u7801\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u76ee\u6807\u5305\u62ec\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u632f\u5e45\u8c31<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u76f4\u63a5\u4f30\u8ba1\u7eaf\u51c0\u8bed\u97f3\u7684\u5e45\u5ea6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u529f\u7387\u8c31<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u53ef\u9884\u6d4b\u8bed\u97f3\u5f3a\u5ea6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6bd4\u4f8b\u8499\u7248<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u9884\u6d4b\u4e86\u4e00\u4e2a\u8f6f\u63a9\u7801\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u8fdb\u5236\u63a9\u7801<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u7528\u4e8e\u9884\u6d4b\u67d0\u4e2a\u65f6\u9891\u533a\u57df\u662f\u5426\u4ee5\u8bed\u97f3\u4e3a\u4e3b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u590d\u6742\u9891\u8c31<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u540c\u65f6\u4f30\u8ba1\u4e86\u632f\u5e45\u548c\u76f8\u4f4d\u76f8\u5173\u7684\u4fe1\u606f\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65f6\u57df\u6ce2\u5f62<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u7edc\u76f4\u63a5\u9884\u6d4b\u589e\u5f3a\u540e\u7684\u6ce2\u5f62\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u79cd\u65b9\u6cd5\u90fd\u5b58\u5728\u4e0d\u540c\u7684\u5de5\u7a0b\u6743\u8861\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">8. \u4e3a\u4ec0\u4e48\u76f8\u4f4d\u5f88\u91cd\u8981<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bb8\u591a\u65e9\u671f\u7684\u8bed\u97f3\u589e\u5f3a\u7cfb\u7edf\u4e3b\u8981\u5173\u6ce8\u5e45\u5ea6\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u97f3\u9891\u91cd\u5efa\u4e5f\u53d6\u51b3\u4e8e\u76f8\u4f4d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">STFT \u7684\u7b80\u5316\u8868\u793a\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>X(k,t) = |X(k,t)|e^(j\u03c6(k,t))<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>|X(k,t)|<\/code> = \u5e45\u5ea6<\/li>\n\n\n\n<li><code>\u03c6(k,t)<\/code> = \u76f8\u4f4d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7cfb\u7edf\u4fee\u6539\u4e86\u632f\u5e45\uff0c\u4f46\u53ea\u662f\u76f4\u63a5\u590d\u7528\u4e86\u5e26\u6709\u566a\u58f0\u7684\u76f8\u4f4d\uff0c\u90a3\u4e48\u8f93\u51fa\u4e2d\u4ecd\u53ef\u80fd\u5305\u542b\u4f2a\u5f71\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u4eba\u4eec\u5bf9\u4ee5\u4e0b\u65b9\u9762\u8d8a\u6765\u8d8a\u611f\u5174\u8da3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u590d\u8c31\u6620\u5c04<\/li>\n\n\n\n<li>\u76f8\u4f4d\u4f30\u8ba1<\/li>\n\n\n\n<li>\u590d\u6742\u9762\u5177<\/li>\n\n\n\n<li>\u65f6\u57df\u795e\u7ecf\u7f51\u7edc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5bf9\u9ad8\u8d28\u91cf\u7684\u8bed\u97f3\u589e\u5f3a\u5c24\u4e3a\u91cd\u8981\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">9. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u8bad\u7ec3\u6570\u636e<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u97f3\u589e\u5f3a\u6a21\u578b\u7684\u8d28\u91cf\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u5176\u8bad\u7ec3\u6570\u636e\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u5e38\u89c1\u7684\u8bad\u7ec3\u7b56\u7565\u662f\u751f\u6210\u5408\u6210\u566a\u58f0\u8bed\u97f3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e72\u51c0\u8bed\u97f3\n+\n\u566a\u58f0\n\u2193\n\u5408\u6210\u5e26\u566a\u58f0\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\uff0c\u8be5\u6a21\u578b\u63a5\u6536\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\uff1a\n\u542b\u6742\u97f3\u7684\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u5b66\u4f1a\u9884\u6d4b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u76ee\u6807\uff1a\n\u6587\u660e\u7528\u8bed<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u6570\u636e\u96c6\u53ef\u80fd\u5305\u542b\u4e0d\u540c\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6f14\u8bb2\u8005<\/li>\n\n\n\n<li>\u8bed\u8a00<\/li>\n\n\n\n<li>\u566a\u58f0\u7c7b\u578b<\/li>\n\n\n\n<li>\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/li>\n\n\n\n<li>\u5ba4\u5185\u73af\u5883<\/li>\n\n\n\n<li>\u9ea6\u514b\u98ce\u7279\u6027<\/li>\n\n\n\n<li>\u6df7\u54cd\u6761\u4ef6<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u6761\u4ef6\u8d8a\u5e7f\u6cdb\uff0c\u6a21\u578b\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u8fdb\u884c\u6cdb\u5316\u7684\u53ef\u80fd\u6027\u5c31\u8d8a\u5927\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u6570\u636e\u91cf\u7684\u589e\u52a0\u5e76\u4e0d\u80fd\u81ea\u52a8\u89e3\u51b3\u6240\u6709\u90e8\u7f72\u95ee\u9898\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">10. \u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u7684\u4fe1\u566a\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bad\u7ec3\u6570\u636e\u901a\u5e38\u662f\u5728\u5404\u79cd\u4fe1\u566a\u6bd4\uff08SNR\uff09\u6761\u4ef6\u4e0b\u751f\u6210\u7684\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>+20 dB\n+10 dB\n+5 dB\n0 dB\n-5 dB<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97\u6a21\u578b\u80fd\u591f\u4f53\u9a8c\u4e0d\u540c\u7a0b\u5ea6\u7684\u58f0\u97f3\u96be\u5ea6\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ec5\u57fa\u4e8e\u5e72\u51c0\u6216\u9ad8\u4fe1\u566a\u6bd4\uff08SNR\uff09\u5f55\u97f3\u8bad\u7ec3\u7684\u6a21\u578b\uff0c\u5728\u90e8\u7f72\u5230\u4e25\u91cd\u566a\u58f0\u73af\u5883\u4e2d\u65f6\uff0c\u53ef\u80fd\u8868\u73b0\u4e0d\u4f73\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u53cd\uff0c\u5728\u6781\u5176\u4e25\u82db\u7684\u6761\u4ef6\u4e0b\u8fdb\u884c\u9ad8\u5f3a\u5ea6\u8bad\u7ec3\uff0c\u4f1a\u5f71\u54cd\u6a21\u578b\u5728\u8bed\u97f3\u4fdd\u7559\u4e0e\u566a\u58f0\u6291\u5236\u4e4b\u95f4\u5982\u4f55\u6743\u8861\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8bad\u7ec3\u6570\u636e\u5206\u5e03\u5e94\u53cd\u6620\u9884\u671f\u5e94\u7528\u573a\u666f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">11. \u8bed\u97f3\u589e\u5f3a\u7684\u635f\u5931\u51fd\u6570<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u635f\u5931\u51fd\u6570\u51b3\u5b9a\u4e86\u795e\u7ecf\u7f51\u7edc\u88ab\u5f15\u5bfc\u53bb\u4f18\u5316\u4ec0\u4e48\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u7684\u5747\u65b9\u8bef\u5dee\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>L = (1\/N) \u03a3 (\u0177\u1d62 - y\u1d62)\u00b2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\u0177\u1d62<\/code> = \u9884\u6d4b\u503c<\/li>\n\n\n\n<li><code>y\u1d62<\/code> = \u76ee\u6807\u503c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u5728\u97f3\u9891\u589e\u5f3a\u65b9\u9762\uff0c\u5355\u4e2aMSE\u635f\u5931\u53ef\u80fd\u65e0\u6cd5\u5b8c\u5168\u53cd\u6620\u4eba\u7c7b\u7684\u611f\u77e5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4ed6\u76ee\u6807\u8fd8\u53ef\u4ee5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u8c31\u635f\u8017<\/li>\n\n\n\n<li>\u6ce2\u5f62\u635f\u5931<\/li>\n\n\n\n<li>\u5e45\u5ea6\u635f\u5931<\/li>\n\n\n\n<li>\u590d\u8c31\u635f\u8017<\/li>\n\n\n\n<li>\u4e0eSI-SDR\u76f8\u5173\u7684\u76ee\u6807<\/li>\n\n\n\n<li>\u611f\u77e5\u7f3a\u5931<\/li>\n\n\n\n<li>\u591a\u5206\u8fa8\u7387STFT\u635f\u5931\u51fd\u6570<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff0c\u7ec4\u5408\u635f\u5931\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Ltotal =\n\u03bb\u2081Lwaveform\n+\n\u03bb\u2082Lspectral\n+\n\u03bb\u2083Lperceptual<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0c\u6743\u91cd\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u76ee\u6807\u7684\u8d21\u732e\u7a0b\u5ea6\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">12. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u67b6\u6784\u7684\u9009\u62e9<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u7b80\u5355\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4f7f\u7528\u5168\u8fde\u63a5\u5c42\u3002.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f93\u5165\n \u2193\n\u5168\u8fde\u63a5\u5c42\n \u2193\n\u5168\u8fde\u63a5\u5c42\n \u2193\n\u5168\u8fde\u63a5\u5c42\n \u2193\n\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u67b6\u6784\u867d\u7136\u5bf9\u67d0\u4e9b\u5e94\u7528\u6548\u679c\u826f\u597d\uff0c\u4f46\u5e76\u672a\u660e\u786e\u5229\u7528\u5c40\u90e8\u8c31\u56fe\u7ed3\u6784\u6216\u957f\u671f\u65f6\u95f4\u4f9d\u8d56\u6027\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u56e0\u5982\u6b64\uff0c\u66f4\u4e13\u4e1a\u7684\u67b6\u6784\u624d\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u201cAI\u97f3\u9891\u589e\u5f3a\u4e13\u9898\u201d\u4e2d\u7684\u540e\u7eed\u6587\u7ae0\u5c06\u5206\u522b\u63a2\u8ba8\u8fd9\u4e9b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7528\u4e8e\u97f3\u9891\u53bb\u566a\u7684CNN<\/strong><\/li>\n\n\n\n<li><strong>\u7528\u4e8e\u8bed\u97f3\u589e\u5f3a\u7684RNN\u548cLSTM<\/strong><\/li>\n\n\n\n<li><strong>\u7528\u4e8e\u97f3\u9891\u964d\u566a\u7684U-Net<\/strong><\/li>\n\n\n\n<li><strong>\u7528\u4e8e\u8bed\u97f3\u589e\u5f3a\u7684\u53d8\u538b\u5668\u6a21\u578b<\/strong><\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">13. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0e\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5728\u97f3\u9891\u589e\u5f3a\u4e2d\u7684\u5bf9\u6bd4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e3b\u8981\u5c06\u8f93\u5165\u89c6\u4e3a\u7279\u5f81\u5411\u91cf\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u53ef\u4ee5\u5229\u7528\u9891\u8c31\u56fe\u4e2d\u7684\u5c40\u90e8\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9891\u7387\n   \u2191\n   \u2502 \u2588\u2588\u2588\u2588\u2588\u2588\u2588\n   \u2502   \u2588\u2588\u2588\u2588\u2588\n   \u2502     \u2588\u2588\u2588\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 \u65f6\u95f4<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c40\u90e8\u6a21\u5f0f\u53ef\u4ee5\u5bf9\u5e94\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8c10\u6ce2<\/li>\n\n\n\n<li>\u5171\u632f\u5cf0<\/li>\n\n\n\n<li>\u77ac\u6001\u4e8b\u4ef6<\/li>\n\n\n\n<li>\u5149\u8c31\u8fb9\u7f18<\/li>\n\n\n\n<li>\u8a00\u8bed\u7ed3\u6784<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5728\u57fa\u4e8e\u58f0\u8c31\u56fe\u7684\u97f3\u9891\u5904\u7406\u4e2d\u5c24\u5176\u6709\u6548\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e94\u53e6\u64b0\u4e00\u7bc7\u6587\u7ae0\uff0c\u66f4\u6df1\u5165\u5730\u63a2\u8ba8\u57fa\u4e8eCNN\u7684\u56fe\u50cf\u589e\u5f3a\u6280\u672f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">14. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0e\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\uff08RNN\uff09\u53ca\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc\uff08LSTM\uff09<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a00\u8bed\u672c\u8d28\u4e0a\u5177\u6709\u65f6\u95f4\u6027\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67d0\u4e00\u65f6\u523b\u53d1\u751f\u7684\u4e8b\u60c5\uff0c\u4e0e\u4e4b\u524d\u53d1\u751f\u7684\u4e8b\u60c5\u4ee5\u53ca\u4e4b\u540e\u53d1\u751f\u7684\u4e8b\u60c5\u662f\u76f8\u4e92\u5173\u8054\u7684\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6807\u51c6\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0d\u4f1a\u663e\u5f0f\u5730\u7ef4\u62a4\u65f6\u95f4\u72b6\u6001\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8eRNN\u7684\u6a21\u578b\u53ef\u4ee5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6982\u5ff5\u4e0a\u8bb2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e27 1 \u2192 \u5e27 2 \u2192 \u5e27 3 \u2192 \u5e27 4\n   \u2193 \u2193 \u2193 \u2193\n   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u65f6\u95f4\u4e0a\u4e0b\u6587<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">LSTM \u7f51\u7edc\u5728 RNN \u7684\u57fa\u7840\u4e0a\u5f15\u5165\u4e86\u65b0\u7684\u673a\u5236\uff0c\u65e8\u5728\u5728\u66f4\u957f\u7684\u5e8f\u5217\u4e2d\u4fdd\u7559\u6709\u7528\u7684\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4f7f\u5f97RNN\/LSTM\u6a21\u578b\u7279\u522b\u9002\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u97f3\u589e\u5f3a<\/li>\n\n\n\n<li>\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b<\/li>\n\n\n\n<li>\u58f0\u5b66\u4e8b\u4ef6\u68c0\u6d4b<\/li>\n\n\n\n<li>\u6d41\u5a92\u4f53\u97f3\u9891\u5904\u7406<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">15. \u7528\u4e8e\u5b9e\u65f6\u97f3\u9891\u589e\u5f3a\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u578b\u4ea7\u54c1\u4e0e\u5546\u7528\u97f3\u9891\u4ea7\u54c1\u4e4b\u95f4\u6700\u5927\u7684\u533a\u522b\u4e4b\u4e00\u5728\u4e8e\u5b9e\u65f6\u90e8\u7f72\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79bb\u7ebf\u6a21\u578b\u53ef\u4ee5\u5904\u7406\u5b8c\u6574\u7684\u5f55\u97f3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>60\u79d2\u97f3\u9891\n \u2193\n\u795e\u7ecf\u7f51\u7edc\n \u2193\n\u589e\u5f3a\u540e\u768460\u79d2\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u65f6\u7cfb\u7edf\u5fc5\u987b\u6301\u7eed\u8fd0\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e27 1 \u2192 \u5904\u7406 \u2192 \u8f93\u51fa\n\u5e27 2 \u2192 \u5904\u7406 \u2192 \u8f93\u51fa\n\u5e27 3 \u2192 \u5904\u7406 \u2192 \u8f93\u51fa\n...<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5e26\u6765\u4e86\u4e25\u683c\u7684\u9650\u5236\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ef6\u8fdf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u5fc5\u987b\u8db3\u4ee5\u6ee1\u8db3\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CPU\/NPU \u8d1f\u8f7d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u5fc5\u987b\u5728\u73b0\u6709\u8ba1\u7b97\u8d44\u6e90\u8303\u56f4\u5185\u8fd0\u884c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bb0\u5fc6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u578b\u6743\u91cd\u548c\u4e2d\u95f4\u5f20\u91cf\u4f1a\u5360\u7528\u5185\u5b58\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u6e90<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u6c60\u4f9b\u7535\u7684\u4ea7\u54c1\u9700\u8981\u9ad8\u6548\u7684\u63a8\u7406\u80fd\u529b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u578b\u5c3a\u5bf8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\u800c\u8a00\uff0c\u5927\u578b\u795e\u7ecf\u7f51\u7edc\u53ef\u80fd\u5e76\u4e0d\u5b9e\u7528\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">16. \u8fb9\u7f18\u97f3\u9891\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u91cf\u5316<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5d4c\u5165\u5f0f\u4ea7\u54c1\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u795e\u7ecf\u7f51\u7edc\u8fdb\u884c\u4f18\u5316\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u578b\u526a\u679d<\/li>\n\n\n\n<li>\u6743\u91cd\u91cf\u5316<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u964d\u4f4e<\/li>\n\n\n\n<li>\u77e5\u8bc6\u84b8\u998f<\/li>\n\n\n\n<li>\u67b6\u6784\u7b80\u5316<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FP32 \u6a21\u578b\n    \u2193\n\u91cf\u5316\n    \u2193\nINT8 \u6a21\u578b<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f83\u5c0f\u7684\u578b\u53f7\u53ef\u80fd\u4f1a\u51cf\u5c11\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/li>\n\n\n\n<li>\u8ba1\u7b97\u8981\u6c42<\/li>\n\n\n\n<li>\u63a8\u7406\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u529f\u8017<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u800c\uff0c\u8fc7\u5ea6\u4f18\u5316\u4e5f\u4f1a\u5f71\u54cd\u97f3\u8d28\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u6700\u7ec8\u6a21\u578b\u9700\u8981\u5728\u76ee\u6807\u786c\u4ef6\u4e0a\u8fdb\u884c\u8bc4\u4f30\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5728\u684c\u9762\u5f00\u53d1\u7cfb\u7edf\u4e0a\u8fdb\u884c\u8bc4\u4f30\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">17. \u57fa\u4e8eMEMS\u9ea6\u514b\u98ce\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u8bed\u97f3\u589e\u5f3a<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u65e0\u6cd5\u65e0\u9650\u671f\u5730\u8865\u507f\u9ea6\u514b\u98ce\u8f93\u5165\u8d28\u91cf\u5dee\u7684\u95ee\u9898\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u4e2a\u7cfb\u7edf\u4ece\u58f0\u5b66\u91c7\u96c6\u5f00\u59cb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5b9e\u7528\u7684\u67b6\u6784\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Acoustic Environment\n        \u2193\n<a href=\"https:\/\/sistc.com\/zh\/product\/smart-mems-microphone\/\">MEMS \u9ea6\u514b\u98ce<\/a>\n        \u2193\nAnalog \/ Digital Front End\n        \u2193\nAudio Preprocessing\n        \u2193\nSTFT \/ Feature Extraction\n        \u2193\nDNN Enhancement\n        \u2193\nPost-Processing\n        \u2193\nApplication<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u7684\u91cd\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7075\u654f\u5ea6<\/li>\n\n\n\n<li>\u4fe1\u566a\u6bd4<\/li>\n\n\n\n<li>\u9891\u7387\u54cd\u5e94<\/li>\n\n\n\n<li>\u58f0\u5b66\u8fc7\u8f7d\u70b9<\/li>\n\n\n\n<li>\u81ea\u566a\u58f0<\/li>\n\n\n\n<li>\u529f\u8017<\/li>\n\n\n\n<li>\u901a\u9053\u4e00\u81f4\u6027<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u591a\u901a\u9053\u7cfb\u7edf\uff0c\u4e00\u4e9b\u989d\u5916\u7684\u53c2\u6570\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ea6\u514b\u98ce\u95f4\u8ddd<\/li>\n\n\n\n<li>\u76f8\u4f4d\u5339\u914d<\/li>\n\n\n\n<li>\u901a\u9053\u540c\u6b65<\/li>\n\n\n\n<li>\u6570\u7ec4\u51e0\u4f55<\/li>\n\n\n\n<li>\u673a\u68b0\u7ed3\u6784<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cAI\u589e\u5f3a\u529f\u80fd\u5e94\u4e0e\u9ea6\u514b\u98ce\u786c\u4ef6\u540c\u6b65\u8bbe\u8ba1\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">18. DNN with <a href=\"https:\/\/sistc.com\/zh\/product-category\/sensor-module\/arrays-microphone-module\/\">\u9ea6\u514b\u98ce\u9635\u5217<\/a><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u4e2a\u9ea6\u514b\u98ce\u4e3b\u8981\u63d0\u4f9b\u9891\u8c31\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ea6\u514b\u98ce\u9635\u5217\u53ef\u4ee5\u540c\u65f6\u63d0\u4f9b\u4ee5\u4e0b\u4e24\u79cd\u529f\u80fd\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5149\u8c31\u4fe1\u606f + \u7a7a\u95f4\u4fe1\u606f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce 1 \u2500\u2510\n\u9ea6\u514b\u98ce 2 \u2500\u2524\n\u9ea6\u514b\u98ce 3 \u2500\u253c\u2192 \u591a\u901a\u9053\u5904\u7406 \u2192 \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\n\u9ea6\u514b\u98ce 4 \u2500\u2524\n\u9ea6\u514b\u98ce 5 \u2500\u2518<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u63a5\u6536\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5355\u4e2a\u9ea6\u514b\u98ce\u901a\u9053<\/li>\n\n\n\n<li>\u6ce2\u675f\u6210\u5f62\u4fe1\u53f7<\/li>\n\n\n\n<li>\u901a\u9053\u95f4\u76f8\u4f4d\u5dee<\/li>\n\n\n\n<li>\u7a7a\u95f4\u7279\u5f81<\/li>\n\n\n\n<li>\u632f\u5e45\u8c31<\/li>\n\n\n\n<li>\u591a\u901a\u9053\u9891\u8c31\u56fe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e3a\u66f4\u5148\u8fdb\u7684\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u521b\u9020\u4e86\u673a\u9047\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\u9635\u5217\n \u2193\n\u6ce2\u675f\u6210\u5f62\n \u2193\n\u7a7a\u95f4\u6ee4\u6ce2\n \u2193\n\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u589e\u5f3a\n \u2193\n\u589e\u5f3a\u8bed\u97f3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\u9635\u5217\n \u2193\n\u591a\u901a\u9053\u529f\u80fd\n \u2193\n\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\n \u2193\n\u6ce2\u675f\u6210\u5f62\/\u589e\u5f3a<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u4f73\u67b6\u6784\u53d6\u51b3\u4e8e\u76ee\u6807\u5e94\u7528\u7a0b\u5e8f\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">19. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u4e0e\u58f0\u5b66\u56de\u58f0\u6d88\u9664<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u97f3\u589e\u5f3a\u901a\u5e38\u4e0e\u2026\u2026\u7ed3\u5408\u4f7f\u7528 <strong>\u56de\u58f0\u6d88\u9664\uff08AEC)\u3002<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u5728\u4f1a\u8bae\u8bbe\u5907\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8fdc\u7aef\u97f3\u9891\n \u2193\n\u626c\u58f0\u5668\n \u2193\n\u623f\u95f4\n \u2193\n\u9ea6\u514b\u98ce\n \u2193\n\u56de\u58f0 + \u672c\u5730\u8bed\u97f3 + \u566a\u58f0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">AEC\u7b97\u6cd5\u65e8\u5728\u4ece\u9ea6\u514b\u98ce\u4fe1\u53f7\u4e2d\u53bb\u9664\u626c\u58f0\u5668\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u540e\u53ef\u5229\u7528\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u566a\u58f0\u6291\u5236\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u53ef\u80fd\u7684\u67b6\u6784\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9ea6\u514b\u98ce\n   \u2193\nAEC\n   \u2193\n\u964d\u566a\n   \u2193\nDNN\u589e\u5f3a\n   \u2193\n\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u987a\u5e8f\u53d6\u51b3\u4e8e\u7cfb\u7edf\u8bbe\u8ba1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u73b0\u4ee3\u8bed\u97f3\u5904\u7406\u4ea7\u54c1\u901a\u5e38\u4f1a\u7ed3\u5408\u591a\u79cd\u7b97\u6cd5\uff0c\u800c\u4e0d\u662f\u4ec5\u4f9d\u8d56\u4e00\u4e2a\u795e\u7ecf\u7f51\u7edc\u7684\u539f\u56e0\u4e4b\u4e00\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">20. \u4eba\u5de5\u667a\u80fd\u589e\u5f3a\u4e0e\u58f0\u5b66\u8bbe\u8ba1<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eba\u4eec\u5f88\u5bb9\u6613\u8ba4\u4e3a\u4eba\u5de5\u667a\u80fd\u80fd\u591f\u89e3\u51b3\u6240\u6709\u97f3\u9891\u95ee\u9898\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u884c\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u5982\u679c\u9ea6\u514b\u98ce\u53d7\u5230\u7269\u7406\u5c4f\u853d\u3001\u4f4d\u7f6e\u4e0d\u5f53\u3001\u4e0e\u632f\u52a8\u53d1\u751f\u673a\u68b0\u8026\u5408\uff0c\u6216\u8005\u56e0\u58f0\u538b\u8fc7\u9ad8\u800c\u9971\u548c\uff0c\u795e\u7ecf\u7f51\u7edc\u53ef\u80fd\u65e0\u6cd5\u6062\u590d\u4e22\u5931\u7684\u4fe1\u606f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u79cd\u66f4\u597d\u7684\u7cfb\u7edf\u65b9\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f18\u79c0\u7684\u58f0\u5b66\u8bbe\u8ba1\n +\n\u9ad8\u54c1\u8d28\u7684MEMS\u9ea6\u514b\u98ce\n +\n\u5408\u7406\u7684\u9635\u5217\u51e0\u4f55\u7ed3\u6784\n +\nDSP\n +\nAI<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eba\u5de5\u667a\u80fd\u5e94\u589e\u5f3a\u786c\u4ef6\u6210\u529f\u6355\u83b7\u7684\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5e94\u5c06\u5176\u89c6\u4e3a\u66ff\u4ee3\u4f18\u8d28\u58f0\u5b66\u5de5\u7a0b\u7684\u65b9\u6848\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">21. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u97f3\u9891\u589e\u5f3a\u4e2d\u7684\u5e38\u89c1\u95ee\u9898<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fc7\u5ea6\u538b\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u578b\u5728\u53bb\u9664\u566a\u58f0\u7684\u540c\u65f6\uff0c\u4e5f\u4f1a\u5bf9\u8bed\u97f3\u9020\u6210\u635f\u5bb3\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bed\u97f3\u5931\u771f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f85\u97f3\u6216\u4f4e\u5f3a\u5ea6\u8bed\u97f3\u6210\u5206\u53ef\u80fd\u4f1a\u53d8\u5f31\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u97f3\u4e50\u566a\u97f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8499\u7248\u4f30\u8ba1\u4e0d\u51c6\u786e\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e0d\u81ea\u7136\u7684\u4f2a\u5f71\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6cdb\u5316\u95ee\u9898<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e00\u79cd\u566a\u58f0\u73af\u5883\u4e0b\u8bad\u7ec3\u51fa\u7684\u6a21\u578b\uff0c\u5728\u53e6\u4e00\u79cd\u566a\u58f0\u73af\u5883\u4e0b\u53ef\u80fd\u8868\u73b0\u4e0d\u4f73\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bf4\u8bdd\u4eba\u4f9d\u8d56\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u4e0e\u8bad\u7ec3\u6570\u636e\u5b58\u5728\u663e\u8457\u5dee\u5f02\u7684\u8bed\u97f3\uff0c\u67d0\u4e9b\u6a21\u578b\u7684\u8868\u73b0\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ef6\u8fdf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f83\u5927\u7684\u65f6\u95f4\u4e0a\u4e0b\u6587\u53ef\u80fd\u4f1a\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u5ef6\u8fdf\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ba1\u7b97\u6210\u672c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5728\u5de5\u4f5c\u7ad9\u4e0a\u8fd0\u884c\u826f\u597d\u7684\u6a21\u578b\uff0c\u672a\u5fc5\u9002\u5408\u5d4c\u5165\u5f0f\u4ea7\u54c1\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">22. \u5982\u4f55\u8bc4\u4f30\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u8bed\u97f3\u589e\u5f3a\u6a21\u578b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bc4\u4f30\u5e94\u91c7\u7528\u591a\u79cd\u8861\u91cf\u6807\u51c6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ba2\u89c2\u6307\u6807<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u7684\u6307\u6807\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u566a\u6bd4<\/li>\n\n\n\n<li>SI-SDR<\/li>\n\n\n\n<li>STOI<\/li>\n\n\n\n<li>PESQ \/ POLQA<\/li>\n\n\n\n<li>\u5149\u8c31\u5931\u771f<\/li>\n\n\n\n<li>\u5355\u8bcd\u8bc6\u522b\u51c6\u786e\u7387<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u9879\u6307\u6807\u8861\u91cf\u7684\u662f\u7ee9\u6548\u7684\u4e0d\u540c\u65b9\u9762\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u89c2\u8046\u542c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u7a0b\u5e08\u5e94\u7559\u610f\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bed\u8a00\u6e05\u6670\u5ea6<\/li>\n\n\n\n<li>\u81ea\u7136\u611f<\/li>\n\n\n\n<li>\u6b8b\u4f59\u566a\u58f0<\/li>\n\n\n\n<li>\u8bed\u97f3\u5931\u771f<\/li>\n\n\n\n<li>\u77ac\u6001\u4f2a\u5f71<\/li>\n\n\n\n<li>\u540e\u53f0\u62bd\u6c34<\/li>\n\n\n\n<li>\u97f3\u4e50\u566a\u97f3<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e94\u7528\u5c42\u6d4b\u8bd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u8bed\u97f3\u63a7\u5236\u7c7b\u4ea7\u54c1\u800c\u8a00\uff0c\u8bc6\u522b\u51c6\u786e\u7387\u53ef\u80fd\u6bd4\u4fe1\u566a\u6bd4\uff08SNR\uff09\u7684\u5fae\u5c0f\u63d0\u5347\u66f4\u4e3a\u91cd\u8981\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u4f1a\u8bae\u9ea6\u514b\u98ce\u800c\u8a00\uff0c\u8bed\u97f3\u6e05\u6670\u5ea6\u548c\u6297\u4e32\u97f3\u6027\u80fd\u53ef\u80fd\u66f4\u4e3a\u91cd\u8981\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5f55\u97f3\u9ea6\u514b\u98ce\u800c\u8a00\uff0c\u81ea\u7136\u97f3\u8d28\u548c\u4f4e\u5931\u771f\u5ea6\u53ef\u80fd\u66f4\u4e3a\u91cd\u8981\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8bc4\u4f30\u5e94\u53cd\u6620\u5b9e\u9645\u5e94\u7528\u60c5\u51b5\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">23. \u4e00\u79cd\u5b9e\u7528\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u97f3\u9891\u589e\u5f3a\u5f00\u53d1\u5de5\u4f5c\u6d41<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u5de5\u7a0b\u5de5\u4f5c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1. \u5b9a\u4e49\u5e94\u7528\u573a\u666f\n \u2193\n2. \u91c7\u96c6\u58f0\u5b66\u6570\u636e\n \u2193\n3. \u9009\u62e9\u9ea6\u514b\u98ce\/\u9635\u5217\n \u2193\n4. \u6784\u5efa\u8bad\u7ec3\u6570\u636e\u96c6\n \u2193\n5. \u751f\u6210\u5e26\u566a\u58f0\u7684\u8bed\u97f3\n \u2193\n6. \u9009\u62e9\u8f93\u5165\u7279\u5f81\n \u2193\n7. \u9009\u62e9\u7f51\u7edc\u67b6\u6784\n \u2193\n8. \u5b9a\u4e49\u635f\u5931\u51fd\u6570\n \u2193\n9. \u8bad\u7ec3\u6a21\u578b\n \u2193\n10. \u5728\u672a\u89c1\u8fc7\u7684\u566a\u58f0\u4e0a\u8fdb\u884c\u9a8c\u8bc1\n \u2193\n11. \u4f18\u5316\u6a21\u578b\n \u2193\n12. \u90e8\u7f72\u5230\u76ee\u6807\u786c\u4ef6\n \u2193\n13. \u5b9e\u65f6\u6d4b\u8bd5\n \u2193\n14. \u8046\u542c\u4f53\u9a8c + \u5e94\u7528\u8bc4\u4f30<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u5de5\u4f5c\u6d41\u7a0b\u4e4b\u6240\u4ee5\u91cd\u8981\uff0c\u662f\u56e0\u4e3a\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u6d4b\u5f97\u7684\u6a21\u578b\u6027\u80fd\u5e76\u4e0d\u4e00\u5b9a\u80fd\u76f4\u63a5\u53cd\u6620\u5b9e\u9645\u4ea7\u54c1\u6027\u80fd\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">24. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e0e\u7ecf\u5178\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP\uff09\uff1a\u4e00\u79cd\u5b9e\u7528\u7684\u6df7\u5408\u67b6\u6784<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5546\u7528\u97f3\u9891\u4ea7\u54c1\u800c\u8a00\uff0c\u6df7\u5408\u67b6\u6784\u5f80\u5f80\u9887\u5177\u5438\u5f15\u529b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MEMS \u9ea6\u514b\u98ce\u9635\u5217\n \u2193\n\u6a21\u62df\/\u6570\u5b57\u524d\u7aef\n \u2193\nAEC\n \u2193\n\u6ce2\u675f\u6210\u5f62\n \u2193\nSTFT\n \u2193\nDNN \u964d\u566a\n \u2193\n\u540e\u5904\u7406\n \u2193\nAGC\n \u2193\n\u8f93\u51fa<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u6267\u884c\u7279\u5b9a\u7684\u529f\u80fd\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u4ee5\u4e0b\u65b9\u9762\u5b9e\u73b0\u6709\u76ca\u7684\u5e73\u8861\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u6548\u7387<\/li>\n\n\n\n<li>\u786e\u5b9a\u6027\u5904\u7406<\/li>\n\n\n\n<li>\u57fa\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u589e\u5f3a<\/li>\n\n\n\n<li>\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u97f3\u8d28<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u67b6\u6784\u5e94\u56f4\u7ed5\u6700\u7ec8\u4ea7\u54c1\u8fdb\u884c\u4f18\u5316\uff0c\u800c\u4e0d\u662f\u56f4\u7ed5\u67d0\u4e2a\u5355\u4e00\u7b97\u6cd5\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">25. \u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u7684\u5e94\u7528\u573a\u666f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u97f3\u9891\u589e\u5f3a\u6280\u672f\u53ef\u5e94\u7528\u4e8e\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f1a\u8bae\u7cfb\u7edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u9ad8\u5608\u6742\u4f1a\u8bae\u5ba4\u4e2d\u7684\u8bed\u97f3\u6e05\u6670\u5ea6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u667a\u80fd\u626c\u58f0\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u8fdb\u8fdc\u573a\u8bed\u97f3\u91c7\u96c6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AI\u8bed\u97f3\u754c\u9762<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u8bed\u97f3\u8bc6\u522b\u548c\u5bf9\u8bdd\u5f0f\u4eba\u5de5\u667a\u80fd\u51c6\u5907\u8bed\u97f3\u5185\u5bb9\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u667a\u80fd\u6559\u5ba4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u8fdb\u6559\u5e08\u548c\u5b66\u751f\u7684\u58f0\u97f3\u91c7\u96c6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6c7d\u8f66\u97f3\u54cd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u964d\u4f4e\u80cc\u666f\u566a\u97f3\u548c\u9053\u8def\u566a\u97f3\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8033\u673a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u5584\u901a\u8bdd\u65f6\u7684\u62fe\u97f3\u6548\u679c\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u8bdd\u4f1a\u8bae<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u65f6\u901a\u4fe1\u4e2d\u63d0\u5347\u8bed\u97f3\u8d28\u91cf\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4eba\u5de5\u667a\u80fd\u591a\u6a21\u6001\u7cfb\u7edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ee5\u4e0b\u7ec4\u5408\u7cfb\u7edf\u63d0\u4f9b\u66f4\u7eaf\u51c0\u7684\u97f3\u9891\u8f93\u5165\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u97f3\u9891<\/li>\n\n\n\n<li>\u613f\u666f<\/li>\n\n\n\n<li>\u8bed\u8a00<\/li>\n\n\n\n<li>\u4f20\u611f\u5668\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u4eba\u5de5\u667a\u80fd\u7cfb\u7edf\u8d8a\u6765\u8d8a\u591a\u5730\u540c\u65f6\u5904\u7406\u591a\u79cd\u4f20\u611f\u5668\u6a21\u6001\uff0c\u8fd9\u4e00\u6700\u65b0\u5e94\u7528\u6b63\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">26. \u4eba\u5de5\u667a\u80fd\u97f3\u9891\u589e\u5f3a\u6280\u672f\u7684\u672a\u6765<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u97f3\u9891\u589e\u5f3a\u6280\u672f\u7684\u53d1\u5c55\u6b63\u4ece\u5355\u4e00\u7b97\u6cd5\u5904\u7406\u5411\u96c6\u6210\u5f0f\u667a\u80fd\u97f3\u9891\u7cfb\u7edf\u8f6c\u53d8\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672a\u6765\u7684\u67b6\u6784\u53ef\u80fd\u4f1a\u7ed3\u5408\u4ee5\u4e0b\u8981\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MEMS \u9ea6\u514b\u98ce\u9635\u5217\n \u2193\n\u7a7a\u95f4\u4fe1\u606f\n \u2193\n\u6ce2\u675f\u6210\u5f62\n \u2193\n\u7ecf\u5178 DSP\n \u2193\nNMF \/ \u7edf\u8ba1\u5904\u7406\n \u2193\n\u795e\u7ecf\u7f51\u7edc\n \u2193\n\u591a\u6a21\u6001\u4eba\u5de5\u667a\u80fd\n \u2193\n\u5e94\u7528<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u8bbe\u8ba1\u5e08\u4e0d\u5fc5\u7ea0\u7ed3\u4e8eDSP\u548cAI\u5b70\u4f18\u5b70\u52a3\uff0c\u800c\u662f\u53ef\u4ee5\u5c06\u4e0d\u540c\u7684\u4efb\u52a1\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u5904\u7406\u5c42\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u786c\u4ef6<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u9ad8\u4fdd\u771f\u5ea6\u91c7\u96c6\u58f0\u5b66\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7a7a\u95f4DSP<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u9ea6\u514b\u98ce\u9635\u5217\u7684\u51e0\u4f55\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ecf\u5178DSP<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5904\u7406\u786e\u5b9a\u6027\u4e14\u8ba1\u7b97\u6548\u7387\u9ad8\u7684\u5904\u7406\u4efb\u52a1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4eba\u5de5\u667a\u80fd<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5904\u7406\u590d\u6742\u7684\u975e\u7ebf\u6027\u58f0\u5b66\u6a21\u5f0f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e94\u7528\u4eba\u5de5\u667a\u80fd<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u751f\u6210\u7684\u97f3\u9891\u8fdb\u884c\u89e3\u8bfb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u667a\u80fd\u97f3\u9891\u7cfb\u7edf\u529f\u80fd\u7684\u4e0d\u65ad\u63d0\u5347\uff0c\u8fd9\u79cd\u5206\u5c42\u67b6\u6784\u5f88\u53ef\u80fd\u4ecd\u5c06\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">27. \u5173\u952e\u8981\u70b9<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">DNN\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u5229\u7528\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff0c\u4ece\u5e26\u566a\u58f0\u7684\u97f3\u9891\u4e2d\u4f30\u7b97\u6216\u91cd\u5efa\u66f4\u6e05\u6670\u7684\u8bed\u97f3\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u6982\u5ff5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u542b\u566a\u58f0\u97f3\u9891\n \u2193\n\u7279\u5f81\u63d0\u53d6\n \u2193\n\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\n \u2193\n\u8bed\u97f3\/\u566a\u58f0\u4f30\u8ba1\n \u2193\n\u589e\u5f3a\u97f3\u9891<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u91cd\u8981\u7684\u5de5\u7a0b\u8003\u8651\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bad\u7ec3\u6570\u636e<\/li>\n\n\n\n<li>\u566a\u58f0\u5206\u96c6<\/li>\n\n\n\n<li>\u8f93\u5165\u7279\u5f81<\/li>\n\n\n\n<li>\u7f51\u7edc\u67b6\u6784<\/li>\n\n\n\n<li>\u635f\u5931\u51fd\u6570<\/li>\n\n\n\n<li>\u76f8\u5904\u7406<\/li>\n\n\n\n<li>\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u8bb0\u5fc6<\/li>\n\n\n\n<li>\u8ba1\u7b97\u8d44\u6e90<\/li>\n\n\n\n<li>\u529f\u8017<\/li>\n\n\n\n<li>\u9ea6\u514b\u98ce\u8d28\u91cf<\/li>\n\n\n\n<li>\u9ea6\u514b\u98ce\u9635\u5217\u8bbe\u8ba1<\/li>\n\n\n\n<li>\u5b9e\u9645\u573a\u666f\u4e2d\u7684\u6cdb\u5316\u80fd\u529b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u4e3a\u73b0\u4ee3\u97f3\u9891\u589e\u5f3a\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f46\u53ea\u6709\u4f5c\u4e3a\u7ed3\u5408\u4e86\u4ee5\u4e0b\u8981\u7d20\u7684\u5b8c\u6574\u7cfb\u7edf\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u4eec\u624d\u80fd\u53d1\u6325\u6700\u4f73\u6548\u679c\uff1a <strong>\u9ea6\u514b\u98ce\u786c\u4ef6\u3001\u58f0\u5b66\u8bbe\u8ba1\u3001DSP\u3001\u7a7a\u95f4\u5904\u7406\u548c\u4eba\u5de5\u667a\u80fd<\/strong>.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662fDNN\u8bed\u97f3\u589e\u5f3a\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNN\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u5229\u7528\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff0c\u4ece\u5e26\u566a\u58f0\u7684\u97f3\u9891\u4e2d\u4f30\u8ba1\u51fa\u66f4\u6e05\u6670\u7684\u8bed\u97f3\u4fe1\u53f7\u3002\u8be5\u6a21\u578b\u53ef\u4ee5\u9884\u6d4b\u8bed\u97f3\u63a9\u7801\u3001\u5e72\u51c0\u9891\u8c31\u3001\u590d\u9891\u8c31\u6216\u6ce2\u5f62\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eba\u5de5\u667a\u80fd\u662f\u5982\u4f55\u964d\u4f4e\u80cc\u666f\u566a\u97f3\u7684\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AI\u6a21\u578b\u4ece\u8bed\u97f3\u548c\u566a\u58f0\u6570\u636e\u4e2d\u5b66\u4e60\u7edf\u8ba1\u89c4\u5f8b\u3002\u5728\u63a8\u7406\u8fc7\u7a0b\u4e2d\uff0c\u6a21\u578b\u4f1a\u5224\u65ad\u4f20\u5165\u97f3\u9891\u7684\u54ea\u4e9b\u90e8\u5206\u53ef\u80fd\u5305\u542b\u8bed\u97f3\uff0c\u54ea\u4e9b\u90e8\u5206\u53ef\u80fd\u5305\u542b\u4e0d\u9700\u8981\u7684\u566a\u58f0\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u964d\u566a\u6548\u679c\u662f\u5426\u4f18\u4e8e\u4f20\u7edf\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP\uff09\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u548c\u4f20\u7edf\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP\uff09\u91c7\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u80fd\u591f\u5efa\u6a21\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\uff0c\u800c\u7ecf\u5178\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u65b9\u6cd5\u5219\u80fd\u63d0\u4f9b\u4f4e\u590d\u6742\u5ea6\u7684\u786e\u5b9a\u6027\u5904\u7406\u3002\u8bb8\u591a\u5b9e\u9645\u7cfb\u7edf\u5c06\u8fd9\u4e24\u8005\u7ed3\u5408\u8d77\u6765\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u80fd\u5b9e\u73b0\u5b9e\u65f6\u5904\u7406\u5417\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u5b9e\u65f6\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u589e\u5f3a\u6280\u672f\u5177\u6709\u5e7f\u6cdb\u7684\u9002\u7528\u6027\uff0c\u4f46\u5fc5\u987b\u9488\u5bf9\u5ef6\u8fdf\u3001CPU\/NPU\u8d44\u6e90\u3001\u5185\u5b58\u548c\u529f\u8017\u5bf9\u6a21\u578b\u8fdb\u884c\u4f18\u5316\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u589e\u5f3a\u6280\u672f\u80fd\u5426\u5e94\u7528\u4e8eMEMS\u9ea6\u514b\u98ce\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002DNN\u589e\u5f3a\u6280\u672f\u53ef\u4ee5\u5904\u7406\u7531MEMS\u9ea6\u514b\u98ce\u6355\u83b7\u7684\u4fe1\u53f7\u3002\u9ea6\u514b\u98ce\u7684\u4fe1\u566a\u6bd4\u3001\u9891\u7387\u54cd\u5e94\u3001\u7075\u654f\u5ea6\u3001\u901a\u9053\u4e00\u81f4\u6027\u4ee5\u53ca\u58f0\u5b66\u8bbe\u8ba1\u4ecd\u7136\u4f1a\u5f71\u54cd\u6700\u7ec8\u7ed3\u679c\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u80fd\u5426\u4e0e\u9ea6\u514b\u98ce\u9635\u5217\u914d\u5408\u4f7f\u7528\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u7684\u3002\u591a\u901a\u9053\u9ea6\u514b\u98ce\u9635\u5217\u53ef\u4ee5\u63d0\u4f9b\u7a7a\u95f4\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u4e0e\u57fa\u4e8e\u795e\u7ecf\u7f51\u7edc\u7684\u8bed\u97f3\u589e\u5f3a\u6280\u672f\u76f8\u7ed3\u5408\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNN\u548cCNN\u97f3\u9891\u589e\u5f3a\u6280\u672f\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u901a\u5e38\u5bf9\u7279\u5f81\u5411\u91cf\u8fdb\u884c\u5904\u7406\uff0c\u800c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u5219\u80fd\u591f\u5229\u7528\u65f6\u9891\u8868\u793a\u4e2d\u7684\u5c40\u90e8\u7ed3\u6784\u3002\u56e0\u6b64\uff0c\u57fa\u4e8eCNN\u7684\u67b6\u6784\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u57fa\u4e8e\u9891\u8c31\u56fe\u7684\u97f3\u9891\u5904\u7406\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728\u57fa\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\uff08DNN\uff09\u7684\u8bed\u97f3\u589e\u5f3a\u4e4b\u540e\uff0c\u4e0b\u4e00\u6b65\u662f\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u4e13\u4e1a\u7684\u67b6\u6784\u5305\u62ec\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u3001\u5faa\u73af\u795e\u7ecf\u7f51\u7edc\/\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc\uff08RNN\/LSTM\uff09\u3001U-Net \u4ee5\u53ca Transformer \u6a21\u578b\u3002\u8fd9\u4e9b\u67b6\u6784\u4e3a\u7a7a\u95f4\u3001\u65f6\u95f4\u548c\u591a\u5c3a\u5ea6\u97f3\u9891\u5efa\u6a21\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u65b9\u6cd5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Traditional audio noise reduction methods such as spectral subtraction, Wiener filtering, adaptive filtering, and NMF have been widely used in digital audio systems. 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