{"id":373815,"date":"2021-09-14T08:59:41","date_gmt":"2021-09-14T15:59:41","guid":{"rendered":"https:\/\/blog.webex.com\/uncategorized-zh-hant\/%e8%87%aa%e5%8b%95%e8%aa%9e%e9%9f%b3%e8%be%a8%e8%ad%98%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%be%8c%e6%9c%9f%e8%99%95%e7%90%86\/"},"modified":"2021-09-14T08:59:41","modified_gmt":"2021-09-14T15:59:41","slug":"%e8%87%aa%e5%8b%95%e8%aa%9e%e9%9f%b3%e8%be%a8%e8%ad%98%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%be%8c%e6%9c%9f%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/blog.webex.com\/zh-hant\/engineering-zh-hant\/%e8%87%aa%e5%8b%95%e8%aa%9e%e9%9f%b3%e8%be%a8%e8%ad%98%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%be%8c%e6%9c%9f%e8%99%95%e7%90%86\/","title":{"rendered":"\u81ea\u52d5\u8a9e\u97f3\u8fa8\u8b58\u7cfb\u7d71\u7684\u5f8c\u671f\u8655\u7406"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>\u300c\u81ea\u52d5\u8a9e\u97f3\u8fa8\u8b58\u300d(ASR) \u7cfb\u7d71\u6703\u63d0\u4f9b\u6587\u5b57\u8f49\u9304\u3002\u9019\u591a\u534a\u662f\u4e00\u7cfb\u5217\u7684\u6587\u5b57\u3002\u601d\u79d1\u6703\u4f7f\u7528 ASR \u7cfb\u7d71\uff0c\u5728 Webex Meetings \u4e2d\u63d0\u4f9b\u5373\u6642\u96b1\u85cf\u5f0f\u8f14\u52a9\u5b57\u5e55\u3002\u9019\u500b\u7cfb\u7d71\u6703\u51fa\u7684\u554f\u984c\u5176\u4e2d\u4e4b\u4e00\uff0c\u662f\u96e3\u4ee5\u95b1\u8b80\u7f3a\u5c11\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u7684\u5b57\u5e55\u3002\u5c0d\u6587\u5b57\u610f\u7fa9\u7684\u77ad\u89e3\u6703\u53d7\u5230\u6a19\u9ede\u7b26\u865f\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u63d0\u4f9b\u4e00\u7d44\u6587\u5b57\uff0c\u4e26\u63d0\u4f9b\u5169\u7a2e\u6a19\u9ede\u7b26\u865f\u9078\u9805\uff1a<\/p>\n<p>\u300cthank you your donation just helped someone get a job\u300d<\/p>\n<p>\u9078\u9805 A\uff1a\u300cThank you! Your donation just helped someone get a job.\u300d\uff08\u611f\u8b1d\u60a8\uff01\u60a8\u7684\u8ca2\u737b\u8b93\u67d0\u4eba\u80fd\u5b8c\u6210\u5de5\u4f5c\u3002\uff09<\/p>\n<p>\u9078\u9805 B\uff1a\u300cThank you! Your donation just helped someone. Get a job.\u300d\uff08\u611f\u8b1d\u60a8\uff01\u60a8\u7684\u8ca2\u737b\u5354\u52a9\u4e86\u67d0\u4eba\u3002\u53bb\u627e\u4efd\u5de5\u4f5c\u5427\u3002\uff09<\/p>\n<p>\u4e0d\u904e\u662f\u4e00\u500b\u6a19\u9ede\u7b26\u865f\uff0c\u5c31\u8b93\u6574\u53e5\u7684\u610f\u601d\u76f8\u5dee\u5341\u842c\u516b\u5343\u91cc\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u5011\u8981\u8a0e\u8ad6\u5efa\u69cb\u5f8c\u671f\u8655\u7406\u7cfb\u7d71\u6642\u7684\u5e7e\u9805\u8003\u91cf\uff1a<\/p>\n<ul>\n<li>\u6062\u5fa9\u539f\u59cb\u6587\u5b57\u7684\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u7684\u9ad8\u7cbe\u6e96\u5ea6\u6a21\u578b\u3002\u91dd\u5c0d\u81e8\u6642\u7d50\u679c\u9032\u884c\u5feb\u901f\u63a8\u8ad6\uff1a\u8d95\u4e0a\u5373\u6642\u5b57\u5e55\u3002<\/li>\n<li>\u4f7f\u7528\u5c11\u8a31\u8cc7\u6e90\uff1a\u8a9e\u97f3\u8fa8\u8b58\u5c6c\u8207\u904b\u7b97\u5bc6\u96c6\u7684\u6280\u8853\uff0c\u56e0\u6b64\u6a19\u9ede\u7b26\u865f\u6a21\u5f0f\u7684\u904b\u7b97\u91cf\u4e0d\u9700\u8981\u5982\u6b64\u5bc6\u96c6\u3002<\/li>\n<li>\u6709\u80fd\u529b\u8655\u7406\u672a\u5217\u5728\u5b57\u5f59\u5eab\u4e2d\u7684\u6587\u5b57\uff1a\u6709\u6642\uff0c\u7cfb\u7d71\u5fc5\u9808\u91dd\u5c0d\u6a21\u578b\u524d\u6240\u672a\u898b\u7684\u6587\u5b57\u52a0\u4e0a\u6a19\u9ede\u7b26\u865f\u6216\u5927\u5c0f\u5beb\u3002<\/li>\n<\/ul>\n<p>\u67d0\u4e9b\u7d93\u5178 n \u5143\u8a9e\u6cd5 [1] \u7684\u54c1\u8cea\u8f03\u597d\u3002\u4f46\u9019\u4e9b\u8a9e\u6cd5\u4e5f\u6709\u7f3a\u9677\u3002\u96d6\u7136 n \u5143\u8a9e\u6cd5\u6a21\u578b\u53ef\u5feb\u901f\u63a8\u8ad6\uff0c\u4f46\u6839\u64da\u8a9e\u8a00\u7684\u5b57\u5f59\u5eab\u91cf\uff0c\u5373\u4f7f\u662f 3 \u5143\u8a9e\u6cd5\u6a21\u578b\u4e5f\u6709\u53ef\u80fd\u6703\u4f54\u7528\u597d\u5e7e G \u7684\u78c1\u789f\u7a7a\u9593\u3002\u53e6\u4e00\u500b\u554f\u984c\u662f\u8655\u7406\u5b57\u5f59\u4e2d\u7f3a\u4e4f\u7684\u6587\u5b57\u3002\u5982\u679c\u5728\u8a13\u7df4\u8cc7\u6599\u4e2d\u6c92\u6709\u51fa\u73fe\u9019\u500b\u6587\u5b57\uff0c\u6a21\u578b\u53ef\u80fd\u5c31\u7121\u6cd5\u6839\u64da\u5e38\u898f\u52a0\u4ee5\u8655\u7406\uff0c\u7cbe\u6e96\u5ea6\u4e5f\u6703\u4e0b\u964d\u3002\u65b0\u5f0f\u7684\u4f5c\u6cd5\u6216\u4f7f\u7528\u6709\u6548\u7387\u4f46\u904b\u7b97\u5bc6\u96c6\u7684\u6280\u8853\uff0c\u4f8b\u5982\u96d9\u5411 RNN [3]\uff0c\u6216\u6ce8\u610f\u529b\u578b (attention-based) \u8207\u8f49\u63db\u5668\u578b (transformer-based) \u795e\u7d93\u7db2\u8def\u67b6\u69cb [2]\u3002\u9019\u4e9b\u6a21\u578b\u7684\u7cbe\u6e96\u5ea6\u90fd\u5f88\u9ad8 [2]\uff0c\u4f46\u53ef\u80fd\u4e0d\u5b8c\u5168\u9069\u5408\u5728\u5373\u6642\u4e32\u6d41\u4f7f\u7528\u60c5\u5883\u4e0b\u4f7f\u7528\uff0c\u56e0\u70ba\u9019\u4e9b\u6a21\u578b\u90fd\u9700\u8981\u5b8c\u6574\u7684\u8f38\u5165\u9806\u5e8f\u624d\u80fd\u57f7\u884c\u63a8\u8ad6\u3002\u4f8b\u5982\uff0c\u91dd\u5c0d\u96d9\u5411 RNN\uff0c\u53ea\u6709\u4e00\u500b\u65b0\u7684\u8f38\u5165\u6b0a\u6756\u6642\uff0c\u60a8\u5fc5\u9808\u66f4\u65b0\u6a21\u578b\u4e4b\u524d\u898b\u904e\u7684\u96b1\u85cf\u72c0\u614b\uff08\u5716 1\uff09\u3002<div id=\"attachment_373203\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Computations-on-the-backward-pass-of-a-bi-directional-RNN.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-373203\" class=\"wp-image-373203 size-full\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Computations-on-the-backward-pass-of-a-bi-directional-RNN.png\" alt=\"\u53cd\u5411\u63a8\u7b97\u7684\u904b\u7b97\u6703\u50b3\u9001\u96d9\u5411 RNN\" width=\"904\" height=\"224\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Computations-on-the-backward-pass-of-a-bi-directional-RNN.png 904w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Computations-on-the-backward-pass-of-a-bi-directional-RNN-300x74.png 300w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Computations-on-the-backward-pass-of-a-bi-directional-RNN-768x190.png 768w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/a><p id=\"caption-attachment-373203\" class=\"wp-caption-text\">\u5716 1. \u91dd\u5c0d\u96d9\u5411 RNN \u7684\u53cd\u5411\u63a8\u7b97\u6240\u9032\u884c\u7684\u904b\u7b97\u3002\u6bcf\u6b21\u51fa\u73fe\u65b0\u7684\u8f38\u5165\u6642\uff0c\u6240\u6709\u4e4b\u524d\u96b1\u85cf\u7684\u72c0\u614b\u90fd\u5fc5\u9808\u4f9d\u5e8f\u66f4\u65b0\u3002<\/p><\/div> \u00a0 \u90e8\u4efd\u65b9\u6cd5\u6703\u8a66\u5716\u900f\u904e\u5efa\u69cb\u5169\u7a2e\u4e0d\u540c\u7684\u6a21\u578b [3][6] \u4f86\u89e3\u6c7a\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u554f\u984c\uff0c\u800c\u5176\u4ed6\u65b9\u6cd5\u5247\u6703\u5c07\u5169\u8005\u7d50\u5408\u6210\u55ae\u4e00\u6a21\u578b\uff0c\u56e0\u70ba\u8f38\u51fa\u7d50\u679c\u9ad8\u5ea6\u76f8\u95dc [4][2]\u3002\u6a19\u9ede\u7b26\u865f\u5f8c\u51fa\u73fe\u7684\u6587\u5b57\u4e5f\u986f\u793a\u51fa\u9019\u7a2e\u76f8\u95dc\u6027\uff1a\u53e5\u865f\u5f8c\u7684\u6587\u5b57\u61c9\u8a72\u8981\u5927\u5beb\uff0c\u9017\u865f\u5f8c\u7684\u6587\u5b57\u591a\u534a\u90fd\u6703\u5c0f\u5beb\u3002\u4e5f\u6709\u4e00\u4e9b\u65b9\u6cd5\u6703\u63a1\u7528\u591a\u8f38\u51fa\u5f0f\u7684\u67b6\u69cb [4]\uff1a\u6bcf\u9805\u5de5\u4f5c\u5206\u5225\u63a1\u7528\u4e00\u7a2e\u8f38\u51fa\u67b6\u69cb\u3002\u8f38\u51fa\u7d50\u679c\u986f\u793a\u9019\u500b\u67b6\u69cb\u6bd4\u5176\u4ed6\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u67b6\u69cb\u66f4\u70ba\u512a\u79c0\u3002\u6839\u64da\u4e0a\u8ff0\u8003\u91cf\uff0c\u6211\u5011\u9078\u64c7\u4f7f\u7528\u5177\u5099\u5169\u7a2e\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u8f38\u51fa\u65b9\u5f0f\u7684\u55ae\u4e00 GRU \u578b\u795e\u7d93\u7db2\u8def\u3002\u70ba\u89e3\u6c7a\u5b57\u5f59\u4e2d\u7f3a\u5c11\u6587\u5b57\u7684\u554f\u984c\uff0c\u6211\u5011\u4f7f\u7528\u985e SentencePiece \u4e4b\u985e\u7684\u6280\u8853 [6]\uff0c\u5c07\u4e0d\u8a8d\u8b58\u7684\u6587\u5b57\u5206\u5272\u6210\u6578\u500b\u8f03\u5c0f\u7684\u6b0a\u6756\uff1b\u6216\u8005\uff0c\u5728\u8f03\u70ba\u6975\u7aef\u7684\u6848\u4f8b\u4e2d\uff0c\u5206\u5272\u6210\u5e7e\u500b\u8f03\u5c0f\u7684\u5b57\u5143\u3002\u6211\u5011\u63a5\u4e0b\u4f86\u8981\u8aaa\u660e\u8a73\u60c5\u8207\u8003\u91cf\u3002<\/p>\n<h2>TruncBiRNN<\/h2>\n<p>\u76f4\u89ba\u8207\u5be6\u8e10\u986f\u793a\uff0c\u5728\u5efa\u69cb\u6a19\u9ede\u7b26\u865f\u6a21\u578b\u6642\uff0c\u5c0d\u672a\u4f86\u60c5\u5883\u7684\u77ad\u89e3\u5fc5\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\uff0c\u56e0\u70ba\u5728\u4e0d\u77e5\u9053\u63a5\u4e0b\u4f86\u6587\u5b57\u5167\u5bb9\u7684\u72c0\u6cc1\u4e0b\uff0c\u6703\u66f4\u96e3\u5224\u65b7\u5c07\u6a19\u9ede\u7b26\u865f\u653e\u7f6e\u5728\u54ea\u500b\u4f4d\u7f6e\u3002\u70ba\u4e86\u4f7f\u7528\u95dc\u65bc\u63a5\u4e0b\u4f86\u6b0a\u6756\u7684\u8cc7\u8a0a\uff0c\u4e14\u4e0d\u6703\u88ab\u8feb\u53cd\u5411\u66f4\u65b0\u904b\u7b97\u4e2d\u6240\u6709\u6b0a\u6756\u7684\u96b1\u85cf\u72c0\u6cc1\uff0c\u6211\u5011\u6c7a\u5b9a\u622a\u65b7\u53cd\u5411\u904b\u7b97\u81f3\u56fa\u5b9a\u8996\u7a97\u4e2d\u3002\u5728\u9806\u5411\u904b\u7b97\u4e2d\uff0c\u53ea\u662f\u4e00\u822c\u7684 RNN\u3002\u5728\u53cd\u5411\u904b\u7b97\u4e2d\uff0c\u6211\u5011\u53ea\u6703\u8003\u91cf\u6bcf\u500b\u6b0a\u6756\u7684\u56fa\u5b9a\u8996\u7a97\uff0c\u4e26\u5728\u6b64\u8996\u7a97\u4e2d\u57f7\u884c RNN\uff08\u5716 2\uff09\u3002\u900f\u904e\u4f7f\u7528\u9019\u500b\u8996\u7a97\uff0c\u6211\u5011\u53ef\u4ee5\u91dd\u5c0d\u65b0\u7684\u8f38\u5165\u6b0a\u6756\u9054\u6210\u5e38\u6578\u6642\u9593\u63a8\u8ad6\uff08\u6211\u5011\u9700\u8981\u5728\u9806\u5411\u904b\u7b97\u4e00\u500b\u96b1\u85cf\u72c0\u614b\uff0c\u4e26\u5728\u53cd\u5411\u904b\u7b97\u4e2d\u904b\u7b97 n+1 \u500b\u96b1\u85cf\u72c0\u614b\uff09\u3002<div id=\"attachment_373213\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/TruncBiRNN-example.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-373213\" class=\"size-full wp-image-373213\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/TruncBiRNN-example.png\" alt=\"TruncBiRNN \u7bc4\u4f8b\" width=\"904\" height=\"204\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/TruncBiRNN-example.png 904w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/TruncBiRNN-example-300x68.png 300w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/TruncBiRNN-example-768x173.png 768w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/a><p id=\"caption-attachment-373213\" class=\"wp-caption-text\">\u5716 2. \u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u91dd\u5c0d\u6bcf\u500b\u73fe\u6709\u6b0a\u6756\uff0c\u53ea\u6703\u8003\u616e\u5728\u53cd\u5411\u5f0f\u904b\u7b97\u4e2d\u904b\u7b97\u63a5\u4e0b\u4f86\u5169\u500b\u96b1\u85cf\u72c0\u614b\u3002<\/p><\/div> \u00a0 \u73fe\u5728\uff0c\u91dd\u5c0d\u6bcf\u500b\u6b0a\u6756\uff0c\u6211\u5011\u5206\u5225\u5728\u9806\u5411\u904b\u7b97\u8207\u53cd\u5411\u904b\u7b97\u4e2d\u63d0\u4f9b\u96b1\u85cf\u72c0\u614b\u3002\u8b93\u6211\u5011\u5c07\u6b64\u5c64\u9762\u7a31\u4e4b\u70ba TruncBiRNN \u6216 TruncBiGRU\uff08\u65e2\u7136\u6211\u5011\u5df2\u7d93\u4f7f\u7528 GRU\uff09\u3002\u6211\u5011\u53ef\u5728\u5e38\u6578\u6642\u9593\u4e2d\u904b\u7b97\u96b1\u85cf\u72c0\u614b\uff0c\u4e14\u4e0d\u9700\u4ee5\u8f38\u5165\u9577\u5ea6\u70ba\u6839\u64da\u3002\u70ba\u4e86\u8d95\u4e0a\u5373\u6642\u5b57\u5e55\uff0c\u5e38\u6578\u6642\u9593\u4f5c\u696d\u7684\u78ba\u6709\u5176\u5fc5\u8981\u3002<\/p>\n<h2>\u67b6\u69cb<\/h2>\n<p>\u6574\u500b\u67b6\u69cb\u5305\u62ec\u5d4c\u5165\u5c64\u3001TruncBiGRU \u8207\u55ae\u5411 GRU \u5c64\uff0c\u4ee5\u53ca\u5b8c\u6574\u9023\u7dda\u5c64\u3002\u91dd\u5c0d\u8f38\u51fa\u7684\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\uff0c\u6211\u5011\u5206\u5225\u4f7f\u7528\u5169\u500b softmax \u5c64\uff08\u5716 3\uff09\u3002<div id=\"attachment_373223\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Model-architecture-with-window-size-equal-to-two-tokens-for-TruncBiGRU.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-373223\" class=\"size-full wp-image-373223\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Model-architecture-with-window-size-equal-to-two-tokens-for-TruncBiGRU.png\" alt=\"\u5716 3. \u8996\u7a97\u5927\u5c0f\u7b49\u65bc TruncBiGRU \u7684\u5169\u500b\u6b0a\u6756\u7684\u6a21\u578b\u67b6\u69cb\" width=\"962\" height=\"828\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Model-architecture-with-window-size-equal-to-two-tokens-for-TruncBiGRU.png 604w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Model-architecture-with-window-size-equal-to-two-tokens-for-TruncBiGRU-300x258.png 300w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Model-architecture-with-window-size-equal-to-two-tokens-for-TruncBiGRU-768x661.png 768w\" sizes=\"auto, (max-width: 962px) 100vw, 962px\" \/><\/a><p id=\"caption-attachment-373223\" class=\"wp-caption-text\">\u5716 3. \u8996\u7a97\u5927\u5c0f\u8207 TruncBiGRU \u5169\u500b\u6b0a\u6756\u76f8\u7b49\u7684\u6a21\u5f0f\u67b6\u69cb\u3002<\/p><\/div> \u00a0 \u91dd\u5c0d\u6bcf\u500b\u6587\u5b57\uff0c\u6a21\u5f0f\u6703\u9810\u6e2c\u6587\u5b57\u7684\u5927\u5c0f\u5beb\u8207\u8a72\u6587\u5b57\u5f8c\u7684\u6a19\u9ede\u7b26\u865f\u3002\u70ba\u4e86\u8b93\u9019\u5169\u7a2e\u6a21\u5f0f\u66f4\u9806\u5229\u5730\u540c\u6b65\uff0c\u4e26\u9810\u6e2c\u5927\u5c0f\u5beb\uff0c\u6211\u5011\u4e5f\u5fc5\u9808\u5f9e\u524d\u4e00\u500b\u6b0a\u6756\u77ad\u89e3\u5d4c\u5165\u5c64\uff08\u4ee5\u5fa9\u539f\u524d\u4e00\u500b\u6b65\u9a5f\u7684\u6a19\u9ede\u7b26\u865f\uff09\u3002\u642d\u914d\u81ea\u8a02\u640d\u5931\u51fd\u6578\uff08\u8acb\u898b\u4e0b\u4e00\u7bc0\uff09\uff0c\u6211\u5011\u5c31\u80fd\u907f\u514d\u5728\u6bcf\u4e00\u53e5\u7684\u958b\u982d\u4f7f\u7528\u5c0f\u5beb\u5b57\u6bcd\u6587\u5b57\u3002\u800c\u5728\u9810\u6e2c\u6a19\u9ede\u7b26\u865f\u6642\uff0c\u9019\u4e5f\u80fd\u5354\u52a9\u9810\u6e2c\u4e0b\u4e00\u500b\u5b57\u7684\u5927\u5c0f\u5beb\u3002\u9019\u4e5f\u5c31\u662f\u70ba\u4ec0\u9ebc\u6211\u5011\u6703\u9023\u63a5\u76ee\u524d\u5d4c\u5165\u5c64\u8207\u4e0b\u4e00\u500b\u5d4c\u5165\u5c64\u3002\u8f38\u51fa\u5c64\u5247\u6703\u5c07\u6a19\u9ede\u7b26\u865f\u9810\u6e2c\u6563\u4f48\u5230\u6240\u6709\u6a19\u9ede\u7b26\u865f\u4e2d\u3002\u5728\u6211\u5011\u7684\u6a21\u5f0f\u4e2d\uff0c\u9019\u5c31\u662f\u4e00\u500b\u7d44\u5408\uff1a<\/p>\n<p><em>period<\/em> \u2013 \u5728\u53e5\u5b50\u4e2d\u9593\u51fa\u73fe\u53e5\u9ede\uff0c\u4e26\u4e0d\u7d55\u5c0d\u8868\u793a\u4e0b\u4e00\u500b\u5b57\u5fc5\u9808\u5927\u5beb\uff08\u300ca.m.\u300d\u3001\u300cD.C.\u300d\u7b49\uff09<\/p>\n<p><em>comma<\/em><\/p>\n<p><em>question mark<\/em><\/p>\n<p><em>ellipsis<\/em><\/p>\n<p><em>colons<\/em><\/p>\n<p><em>dash<\/em><\/p>\n<p><em>terminal period<\/em> &#8211; \u53e5\u5b50\u7d50\u5c3e\u7684\u53e5\u9ede<\/p>\n<p>\u81f3\u65bc\u5927\u5c0f\u5beb\uff0c\u6211\u5011\u6709\u56db\u500b\u985e\u5225\uff1a<\/p>\n<p><em>lower<\/em><\/p>\n<p><em>upper<\/em> \u2013 \u6240\u6709\u5b57\u6bcd\u90fd\u5927\u5beb\uff08\u300cIEEE\u300d\u3001\u300cNASA\u300d\u7b49\uff09<\/p>\n<p><em>capitalized<\/em><\/p>\n<p><em>mix_case<\/em> \u2013 \u91dd\u5c0d\u50cf\u300ciPhone\u300d\u9019\u6a23\u7684\u8a5e\u5f59<\/p>\n<p><em>leading capitalized<\/em> &#8211; \u6bcf\u500b\u53e5\u5b50\u7684\u7b2c\u4e00\u500b\u5b57<\/p>\n<p>\u591a\u51fa\u7684\u5169\u500b\u985e\u5225\u300c<em>leading capitalized<\/em>\u300d\u8207\u300c<em>terminal period<\/em>\u300d\uff0c\u521d\u898b\u6642\u770b\u8d77\u4f86\u5f88\u7d2f\u8d05\uff0c\u4f46\u9019\u5169\u500b\u985e\u5225\u53ef\u4ee5\u63d0\u9ad8\u8207\u5927\u5c0f\u5beb\u548c\u6a19\u9ede\u7b26\u865f\u76f8\u95dc\u7b54\u6848\u7684\u4e00\u81f4\u6027\u3002\u300c<em>terminal period<\/em>\u300d\u610f\u6307\u4e0b\u500b\u5927\u5c0f\u5beb\u7b54\u6848\u5c31\u4e0d\u80fd\u662f\u300c<em>lower<\/em>\u300d\uff0c\u800c\u51fa\u73fe\u300c<em>leading capitalized<\/em>\u300d\u5247\u8868\u793a\u524d\u4e00\u500b\u6a19\u9ede\u7b26\u865f\u662f\u300c<em>terminal period<\/em>\u300d\u6216\u554f\u865f\u3002\u9019\u4e9b\u985e\u5225\u5728\u640d\u5931\u51fd\u6578\u4e2d\u626e\u6f14\u76f8\u7576\u91cd\u8981\u7684\u89d2\u8272\u3002\u640d\u5931\u51fd\u6578\uff1a\u6211\u5011\u9700\u8981\u540c\u6642\u5c07\u5927\u5c0f\u5beb\u8207\u6a19\u9ede\u7b26\u865f\u7684\u4f7f\u7528\u72c0\u6cc1\u6700\u4f73\u5316\u3002\u70ba\u4e86\u9054\u6210\u9019\u500b\u76ee\u6a19\uff0c\u6211\u5011\u4f7f\u7528\u4e00\u7d44\u5c0d\u6578\u640d\u5931 (log loss) \u51fd\u6578\uff0c\u4e26\u642d\u914d\u4e00\u500b\u4fc2\u6578\uff1a<a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-373233\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function.png\" alt=\"Loss \u51fd\u6578\" width=\"668\" height=\"38\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function.png 668w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function-300x17.png 300w\" sizes=\"auto, (max-width: 668px) 100vw, 668px\" \/><\/a> \u4e0d\u904e\uff0c\u5982\u525b\u525b\u6240\u8a0e\u8ad6\u7684\uff0c\u795e\u7d93\u7db2\u8def\u7684\u8f38\u51fa\u53ef\u80fd\u7121\u6cd5\u5b8c\u7f8e\u76f8\u95dc\u3002\u6bd4\u65b9\u8aaa\uff0c\u91dd\u5c0d\u76ee\u524d\u7684\u6587\u5b57\uff0c\u53ef\u80fd\u9810\u6e2c\u7684\u6a19\u9ede\u7b26\u865f\u985e\u5225\u662f\u300c<em>terminal period<\/em>\u300d\uff0c\u4f46\u91dd\u5c0d\u4e0b\u4e00\u500b\u6b0a\u6756\uff0c\u5927\u5c0f\u5beb\u9810\u6e2c\u4e26\u4e0d\u6703\u9810\u6e2c\u300c<em>leading capitalized<\/em>\u300d\u3002\u9019\u7a2e\u985e\u578b\u7684\u932f\u8aa4\u96d6\u7136\u6975\u5c11\u898b\uff0c\u4f46\u6703\u975e\u5e38\u5f15\u4eba\u6ce8\u610f\u3002\u70ba\u4e86\u8655\u7406\u9019\u7a2e\u72c0\u6cc1\uff0c\u6211\u5011\u6703\u5728\u640d\u5931\u51fd\u6578\u4e2d\u984d\u5916\u7684\u61f2\u7f70\u9805\u4f86\u61f2\u7f70\u9019\u7a2e\u985e\u578b\u7684\u932f\u8aa4\uff1a<a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/disagreement-penalty.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-373243\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/disagreement-penalty.png\" alt=\"disagreement penalty\" width=\"904\" height=\"68\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/disagreement-penalty.png 904w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/disagreement-penalty-300x23.png 300w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/disagreement-penalty-768x58.png 768w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/a> \u7b2c\u4e00\u9805\u662f\u8207\u5728\u975e\u300c<em>terminal period <\/em>\u300d\u5f8c\u51fa\u73fe\u300c<em>leading capitalized<\/em>\u300d\u7684\u53ef\u80fd\u6027\u76f8\u95dc\uff0c\u7b2c\u4e8c\u9805\u5247\u662f\u8207\u5728\u300c<em>terminal period<\/em>\u300d\u5f8c\u4e0d\u6703\u51fa\u73fe\u300c<em>leading capitalized<\/em>\u300d\u7684\u53ef\u80fd\u6027\u76f8\u95dc\u3002\u00a0 \u9019\u500b\u61f2\u7f70\u9805\u80fd\u7e3d\u7d50\u767c\u751f\u932f\u8aa4\u7684\u6b0a\u6756\u3002\u6b64\u5916\uff0c\u6211\u5011\u4e5f\u6703\u5c07\u524d\u5169\u5c64\u7684\u9023\u7e8c\u5f35\u91cf\u50b3\u9001\u5230 softmax \u5c64\uff0c\u624d\u80fd\u6709\u6548\u964d\u4f4e\u61f2\u7f70\u9805\u3002\u6700\u5f8c\uff0c\u6211\u5011\u5c31\u5f97\u51fa\u4e86\u9019\u500b\u640d\u5931\u51fd\u6578\uff1a<a href=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-373253\" src=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function-1.png\" alt=\"Loss \u51fd\u6578\" width=\"652\" height=\"60\" srcset=\"https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function-1.png 652w, https:\/\/blog.webex.com\/wp-content\/uploads\/2021\/09\/Loss-function-1-300x28.png 300w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/a><\/p>\n<h2>\u8a13\u7df4<\/h2>\n<p>\u8a13\u7df4\u6642\uff0c\u6211\u5011\u6703\u5f9e\u5167\u90e8 Webex Meetings \u4e2d\u9078\u53d6\u4e00\u7d44\u8f49\u9304\u6587\u5b57\uff0c\u4e26\u5f9e\u7dad\u57fa\u767e\u79d1 (Wikipedia) \u64f7\u53d6\u6587\u5b57\u8cc7\u6599\u4f7f\u7528\u3002\u9996\u5148\uff0c\u6211\u5011\u6703\u6e05\u9664\u8a13\u7df4\u8cc7\u6599\uff0c\u4e26\u5206\u5272\u70ba\u597d\u5e7e\u500b\u53e5\u5b50\u3002\u8a13\u7df4\u671f\u9593\uff0c\u6bcf\u500b\u6a23\u672c\u90fd\u662f\u5f9e\u9023\u7e8c\u53e5\u5b50\u7522\u751f\uff0c\u4e26\u7d93\u7531\u56fa\u5b9a\u6563\u4f48\u4f86\u622a\u77ed\u6210\u9577\u5ea6\u4e0d\u5b9a\u7684\u77ed\u53e5\u3002\u9019\u80fd\u5728\u8a13\u7df4\u671f\u9593\u8b93\u6a21\u578b\u770b\u5230\u5207\u5272\u7684\u7247\u8a9e\uff0c\u4f7f\u6a21\u578b\u80fd\u5920\u8655\u7406\u63a8\u8ad6\u671f\u9593\u7522\u751f\u7684\u81e8\u6642\u7d50\u679c\u3002\u63a5\u8457\uff0c\u6211\u5011\u6703\u4f7f\u7528\u7d04 300 MB \u7684\u7dad\u57fa\u767e\u79d1\u6587\u5b57\u4f86\u8a13\u7df4\u6a21\u578b\uff0c\u63a5\u8457\u5728 Webex Meeting \u8f49\u9304\u6587\u5b57\u4e2d\u9032\u884c\u5fae\u8abf\u3002\u4f7f\u7528\u7dad\u57fa\u767e\u79d1\u9032\u884c\u524d\u671f\u8a13\u7df4\u80fd\u5354\u52a9\u6539\u5584\u6240\u6709\u6a19\u9ede\u7b26\u865f\u985e\u5225\uff0c\u4e0d\u904e\u5c0d\u5927\u5c0f\u5beb\u985e\u5225\u7684\u8a13\u7df4\u6210\u6548\u66f4\u70ba\u986f\u8457\u3002\u6211\u5011\u731c\u6e2c\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u5728\u7dad\u57fa\u767e\u79d1\u7684\u6587\u96c6\u4e2d\u4f7f\u7528\u5927\u91cf\u7684\u4ee3\u540d\u8a5e\u3002\u6211\u5011\u6703\u5c07\u53e5\u5b50\u9023\u63a5\u8d77\u4f86\uff0c\u7136\u5f8c\u96a8\u6a5f\u622a\u77ed\u6210\u4e0d\u540c\u9577\u5ea6\uff0c\u4ee5\u4fbf\u5728\u6211\u5011\u7684\u8a55\u4f30\u7d44\u4e0a\u5957\u7528\u76f8\u540c\u7684\u8cc7\u6599\u6e96\u5099\u7a0b\u5e8f\u3002\u9019\u8b93\u6211\u5011\u80fd\u91dd\u5c0d\u81e8\u6642\u8f49\u9304\u6587\u5b57\u72c0\u614b\u4e2d\u53ef\u80fd\u770b\u5230\u7684\u7d50\u679c\uff0c\u8a55\u91cf\u5176\u7cbe\u6e96\u5ea6\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528\u76f8\u5c0d\u7c21\u55ae\u7684\u6280\u8853\uff0c\u642d\u914d\u91dd\u5c0d\u67b6\u69cb\u9032\u884c\u7684\u4e00\u4e9b\u81ea\u8a02\uff0c\u4f8b\u5982\u622a\u77ed GRU \u8207\u5728\u640d\u5931\u51fd\u6578\u4e2d\u4f7f\u7528\u984d\u5916\u7684\u61f2\u7f70\u9805\uff0c\u6211\u5011\u624d\u80fd\u5efa\u69cb\u4e00\u500b\u53ef\u4ee5\u5728\u7dda\u4e0a\u57f7\u884c\u7684\u6a21\u578b\u3002\u6709\u4e86\u5373\u6642\u6a19\u9ede\u7b26\u865f\u8207\u5927\u5c0f\u5beb\u529f\u80fd\u5f8c\uff0c\u5c31\u80fd\u5927\u5e45\u63d0\u5347\u5373\u6642\u5b57\u5e55\u7684\u95b1\u8b80\u9ad4\u9a57\u3002<strong>\u53c3\u8003\u8cc7\u6599<\/strong> [1] A. Gravano, M. Jansche, and M. Bacchiani, \u201cRestoring punctuation and capitalization in transcribed speech,\u201d in ICASSP 2009, 2009, pp. 4741\u20134744. [2] Monica Sunkara, Srikanth Ronanki, Kalpit Dixit, Sravan Bodapati, Katrin Kirchhoff, \u201cRobust Prediction of Punctuation and Truecasing for Medical ASR\u201d [3] Tilk, Ottokar &#038; Alum\u00e4e, Tanel. (2016). Bidirectional Recurrent Neural Network with Attention Mechanism for Punctuation Restoration. 3047-3051. 10.21437\/Interspeech.2016-1517. [4] Vardaan Pahuja, Anirban Laha, Shachar Mirkin, Vikas Raykar, Lili Kotlerman, Guy Lev \u201cJoint Learning of Correlated Sequence Labelling Tasks Using Bidirectional Recurrent Neural Networks\u201d [5] Wang, Peilu &#038; Qian, Yao &#038; Soong, Frank &#038; He, Lei &#038; Zhao, Hai. (2015). Part-of-Speech Tagging with Bidirectional Long Short-Term Memory Recurrent Neural Network. [6] Lita, Lucian &#038; Ittycheriah, Abe &#038; Roukos, Salim &#038; Kambhatla, Nanda. (2003). tRuEcasIng. 10.3115\/1075096.1075116. 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