{"id":989,"date":"2021-09-27T16:25:41","date_gmt":"2021-09-27T08:25:41","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=989"},"modified":"2021-09-27T16:25:41","modified_gmt":"2021-09-27T08:25:41","slug":"%e5%85%bc%e5%ae%b9pytorch%ef%bc%81%e8%af%ad%e9%9f%b3%e8%af%86%e5%88%ab%e5%a4%a7%e7%89%9bdaniel-povey%e5%8f%91%e5%b8%83%e6%96%b0%e4%b8%80%e4%bb%a3%e6%a1%86%e6%9e%b6kaldi","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2021\/09\/27\/989\/","title":{"rendered":"\u517c\u5bb9PyTorch\uff01\u8bed\u97f3\u8bc6\u522b\u5927\u725bDaniel Povey\u53d1\u5e03\u65b0\u4e00\u4ee3\u6846\u67b6Kaldi"},"content":{"rendered":"<section>\u6388\u6743\u8f6c\u8f7d\u81eaAI\u79d1\u6280\u8bc4\u8bba<\/section>\n<section>\u4f5c\u8005\uff1a\u7430\u7430<\/section>\n<section><\/section>\n<section>8\u670831\u65e5\uff0cDaniel Povey\u4ee5\u5c0f\u7c73\u96c6\u56e2\u9996\u5e2d\u8bed\u97f3\u79d1\u5b66\u5bb6\u7684\u8eab\u4efd\uff0c\u6b63\u5f0f\u63a8\u51fa\u4e86\u65b0\u4e00\u4ee3Kaldi\u3002<\/section>\n<section><\/section>\n<section>Daniel Povey\u662f\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u7684\u6267\u725b\u8033\u8005\uff0c\u4ed6\u4e3b\u8981\u5f00\u53d1\u548c\u7ef4\u62a4\u7684\u5f00\u6e90\u5de5\u5177Kaldi\uff0c\u662f\u4e1a\u754c\u516c\u8ba4\u7684\u8bed\u97f3\u8bc6\u522b\u6846\u67b6\u7684\u57fa\u77f3\uff0c\u4ed6\u4e5f\u88ab\u79f0\u4e3aKaldi\u4e4b\u7236\u3002<\/section>\n<section><\/section>\n<section>2019\u5e74Daniel \u79bb\u4efb\u7ea6\u7ff0\u970d\u666e\u91d1\u65af\u5927\u5b66\u8bed\u8a00\u548c\u8bed\u97f3\u5904\u7406\u4e2d\u5fc3\u6559\u804c\uff0c\u5728 Facebook\u3001\u7f8e\u56e2\u3001\u6ef4\u6ef4\u3001\u5feb\u624b\u7b49\u4e00\u4f17\u4e92\u8054\u7f51\u5de8\u5934\u629b\u6765\u7684\u6a44\u6984\u679d\u4e2d\u9009\u62e9\u4e86\u5c0f\u7c73\uff0c\u5f00\u59cb\u5e26\u9886\u5c0f\u7c73\u8bed\u97f3\u6280\u672f\u56e2\u961f\u5f00\u53d1\u65b0\u4e00\u4ee3Kaldi\u3002<\/section>\n<section><\/section>\n<section>\u00a0<\/section>\n<section>\u52a0\u5165\u5c0f\u7c73\u540e\uff0c\u4e1a\u754c\u5f00\u53d1\u8005\u5bf9Daniel\u7684\u7814\u7a76\u52a8\u5411\u4e00\u76f4\u9ad8\u5ea6\u5173\u6ce8\u3002<\/section>\n<section><\/section>\n<section>\u6628\u65e5Daniel\u4eae\u76f8\u53d1\u5e03\u4f1a\u73b0\u573a\uff0c\u5ba3\u5e03\u65b0\u4e00\u4ee3Kaldi\u5b8c\u6210\u4e86\u6240\u6709\u5b50\u9879\u76ee\u7684\u5e03\u5c40\u3002\u4ed6\u8868\u793a\uff0c\u201c\u65b0\u4e00\u4ee3Kaldi\u7684\u76ee\u6807\u4e0d\u4ec5\u4ec5\u662f\u8d76\u4e0a\u6216\u8005\u7a0d\u5fae\u9886\u5148\u73b0\u6709\u8bed\u97f3\u8bc6\u522b\u5e93\uff0c\u800c\u662f\u8981\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u8bed\u97f3\u8bc6\u522b\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u201d<\/section>\n<section><\/section>\n<section>\u636e\u6089\uff0c\u7ecf\u8fc7\u8fd1\u4e00\u5e74\u591a\u7684\u6280\u672f\u7814\u53d1\uff0cDaniel\u56e2\u961f\u5b8c\u6210\u4e86\u6240\u6709\u6a21\u5757\u7684\u7814\u53d1\u548c\u66f4\u65b0\uff0c\u65b0\u4e00\u4ee3Kaldi\u5728Librispeech\u6570\u636e\u96c6\u4e0a\u7684\u8bcd\u9519\u7387\u964d\u5230\u4e862.57%\uff1b\u901a\u8fc7\u5168\u65b0\u4ee3\u7801\u5e93\u89e3\u51b3\u4e86Kaldi\u7075\u6d3b\u6027\u4e0d\u8db3\u3001\u4f53\u91cf\u8fc7\u5927\u7b49\u95ee\u9898\uff1b\u4f5c\u4e3a\u6838\u5fc3\u90e8\u4ef6\u7684k2\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u7528\u6765\u505a\u8bed\u97f3\u8bc6\u522b\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u505a\u624b\u5199\u6587\u5b57\u8bc6\u522b\u7b49\u5176\u4ed6\u4efb\u52a1\u3002<\/section>\n<section>\u00a0<\/section>\n<section data-mpa-template=\"t\">\n<section data-mpa-template=\"t\">\n<h3>\u517c\u5bb9PyTorch\uff0c\u63d0\u9ad8\u8bc6\u522b\u7cbe\u5ea6<\/h3>\n<section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"14\" data-color=\"#668e68\">\n<section>\n<section data-brushtype=\"text\"><\/section>\n<\/section>\n<\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>Kaldi\u96c6\u6210\u4e86\u591a\u79cd\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\uff0c\u5305\u62ec\u9690\u9a6c\u5c14\u53ef\u592b\u548c\u6700\u65b0\u7684\u6df1\u5ea6\u5b66\u4e60\u795e\u7ecf\u7f51\u7edc\uff0c\u81ea 2011 \u5e74\u53d1\u5e03\u4ee5\u6765\u4e0b\u8f7d\u91cf\u8d85\u8fc7\u4e86\u4e24\u4e07\u591a\u6b21\u3002\u65e0\u8bba\u662f\u5de5\u4e1a\u754c\u8fd8\u662f\u5b66\u672f\u754c\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u8bed\u97f3\u56e2\u961f\u90fd\u5728\u4f7f\u7528Kaldi\u5f15\u64ce\u6765\u5f00\u53d1\u667a\u80fd\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ecMIT\u3001\u54c8\u4f5b\u3001\u6e05\u534e\u3001\u5fae\u8f6f\u3001\u8c37\u6b4c\u3001Facebook\u7b49\u7b49\u3002<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-992\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158.png\" width=\"966\" height=\"657\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158.png 966w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158-300x204.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158-768x522.png 768w\" sizes=\"auto, (max-width: 966px) 100vw, 966px\" \/><\/section>\n<section><\/section>\n<section>\u4f5c\u4e3a\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u7684\u201c\u8001\u524d\u8f88\u201d\uff0cKaldi\u4e5f\u6025\u9700\u66f4\u65b0\u8fed\u4ee3\u3002<\/section>\n<section><\/section>\n<section>Daniel\u5728\u5a92\u4f53\u89c1\u9762\u4f1a\u4e0a\u5766\u8a00\uff0c\u521d\u7248Kaldi\u7684\u65e7\u4ee3\u7801\u5e93\u5df2\u7ecf\u96be\u4ee5\u6ee1\u8db3\u673a\u5668\u5b66\u4e60\u53d1\u5c55\u7684\u9700\u6c42\uff0c\u7528\u6237\u9700\u8981\u66f4\u8f7b\u4fbf\u3001\u66f4\u7075\u6d3b\u7684\u6e90\u4ee3\u7801\uff0c\u4e5f\u9700\u8981\u517c\u5bb9 PyTorch \u7b49\u4e3b\u6d41\u6846\u67b6\u7684\u5de5\u5177\u5305\u3002<\/section>\n<section><\/section>\n<section>\u65b0\u4e00\u4ee3Kaldi\u7684\u7814\u53d1\u5de5\u4f5c\u4ece2019\u5f00\u59cb\u542f\u52a8\uff0c\u53bb\u5e74\u5df2\u7ecf\u5b8c\u6210\u4e86k2\u548cLhotse\u6a21\u5757\u7684\u7814\u53d1\u5de5\u4f5c\u3002Daniel\u8fd8\u57282020 MIDC\u5927\u4f1a\u4e0a\u8fdb\u884c\u4e86\u5c55\u793a\uff0c\u4e0d\u8fc7\u5f53\u65f6 Icefall\u6a21\u5757\u8fd8\u53ea\u662f\u4e00\u4e2a\u521d\u6b65\u6982\u5ff5\u3002\u4eca\u5e74\u7814\u53d1\u56e2\u961f\u8fdb\u4e00\u6b65\u5b8c\u5584\u4e86k2\u548cLhotse\u6a21\u5757, \u5e76\u57fa\u4e8e\u4e8c\u8005\u6b63\u5f0f\u53d1\u5e03Icefall\u9879\u76ee\u3002<\/section>\n<section><\/section>\n<section>Daniel\u4ecb\u7ecd\u8bf4\uff0c\u4e0e\u521d\u4ee3Kaldi\u76f8\u6bd4\uff0c\u65b0\u4e00\u4ee3Kaldi\u662f\u4e00\u4e2a\u5168\u65b0\u7684\u4ee3\u7801\u5e93\uff0c\u4e3b\u8981\u662f\u7531C++\u3001CUDA\u5199\u5c31\uff1b\u652f\u6301Python\u8c03\u7528\uff1b\u540e\u7aef\u4e5f\u7531 PyTorch\u53d6\u4ee3\u4e86\u6b64\u524d\u7684\u81ea\u5b9a\u4e49\u4ee3\u7801\u3002<\/section>\n<section><\/section>\n<section>\u53d1\u5e03\u4f1a\u73b0\u573a\uff0cDaniel\u56e2\u961f\u4e0d\u4ec5\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528k2\u548cLhotse\u6765\u5b9e\u73b0\u73b0\u6709\u7684\u5404\u79cd\u4e0d\u540c\u7684\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\uff0c\u5982\u57fa\u4e8eTransformer\/Conformer\u7684CTC\u548cLF-MMI\u7b49\uff0c\u66f4\u7740\u91cd\u5c55\u793a\u4e86k2\u4f55\u4ee5\u80fd\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u4eba\u4eec\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\u7684\u65b9\u5f0f\u3002<\/section>\n<section><\/section>\n<section><img decoding=\"async\" class=\"img_loading\" src=\"data:image\/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==\" alt=\"\u56fe\u7247\" width=\"2560\" height=\"auto\" crossorigin=\"anonymous\" data-ratio=\"0.5625\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/cNFA8C0uVPutOhbbic5R5au2TIvqDdrsXVzyg6N2czqBibJFTWPIrZXial5dSY9F3BHpzBXslyJk9KKQcqXKScOuA\/640?wx_fmt=jpeg\" data-type=\"jpeg\" data-w=\"1920\" \/><\/section>\n<section><\/section>\n<section>\u201c\u6211\u4eec\u5b9e\u73b0\u4e86\u591a\u8f6e\u89e3\u7801(mutiple pass decoding)\u7684\u793a\u4f8b\uff0c\u4ee5\u53ca\u6211\u4eec\u79f0\u4e4b\u4e3a\u2018\u53cc\u5411\u5efa\u6a21\u2019(bidirectional modeling)\u7684\u6a21\u578b\u201d\u3002Daniel\u5174\u594b\u5730\u8868\u793a\uff0c\u57fa\u4e8e\u8fd9\u79cd\u591a\u5c42\u6a21\u578b\u7684\u4f18\u52bf\uff0c\u65b0\u4e00\u4ee3Kaldi\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\u7684\u5efa\u6a21\u80fd\u529b\uff0c\u4ece\u800c\u964d\u4f4e\u8bcd\u9519\u8bef\u7387\u3002\u76ee\u524d\uff0c\u65b0\u4e00\u4ee3Kaldi\u5728LibriSpeech\u6570\u636e\u96c6\u4e0a\u7684\u8bcd\u9519\u8bef\u7387\u4e3a2.57%\u3002<\/section>\n<section><\/section>\n<section>\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cDaniel\u56e2\u961f\u5728k2\u4e2d\u5b9e\u73b0\u4e86\u6240\u6709\u7684FSA\u64cd\u4f5c\u7684\u53ef\u5bfc\u6027\uff0c\u7528\u6237\u4ec5\u4f7f\u7528\u51e0\u5341\u884c\u4ee3\u7801\u5c31\u53ef\u4ee5\u5b8c\u6210\u590d\u6742\u7684\u591a\u5c42\u6a21\u578b\u7ed3\u6784\u3002\u540c\u65f6\uff0c\u4ed6\u4eec\u8fd8\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u201c\u81ea\u5b9a\u4e49\u201d\u7a7a\u95f4\uff0c\u8bf8\u5982\u5728\u7f51\u7edc\u4e2d\u52a0\u5165phone\u7684embedding\u4fe1\u606f\uff0c\u652f\u6301\u5e26\u7f6e\u4fe1\u5ea6\u7684\u8bc6\u522b\u7b49\u7528\u6237\u81ea\u5df1\u7684\u5404\u79cd\u60f3\u6cd5\u90fd\u80fd\u591f\u57fa\u4e8ek2\u6765\u5b9e\u73b0\u3002<\/section>\n<section><\/section>\n<section>Daniel\u8868\u793a\uff0c\u5e0c\u671b\u901a\u8fc7\u65b0\u4e00\u4ee3Kaldi\uff0c\u80fd\u4e3a\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u6253\u5f00\u4e00\u6247\u5d2d\u65b0\u7684\u5927\u95e8\u3002<\/section>\n<section>\u00a0<\/section>\n<section data-mpa-template=\"t\">\n<section data-mpa-template=\"t\">\n<h3>\u5f15\u5165Python\uff0c\u6539\u5584\u7075\u6d3b\u6027<\/h3>\n<section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"14\" data-color=\"#668e68\">\n<section>\n<section data-brushtype=\"text\"><\/section>\n<\/section>\n<\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u65b0\u4e00\u4ee3Kaldi\u5206\u4e3aLhotse\u3001Icefall\u548ck2\u4e09\u4e2a\u90e8\u5206\uff0cDaniel Povey\u535a\u58eb\u5728\u53d1\u5e03\u4f1a\u4e0a\u8868\u793a\uff0c\u65b0\u4e00\u4ee3Kaldi\u7684\u72ec\u7acb\u8bbe\u8ba1\u662f\u4e3a\u4e86\u964d\u4f4e\u8026\u5408\u6027\uff0c\u65b9\u4fbf\u7528\u6237\u4f7f\u7528\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u8fd9\u6837\u6709\u52a9\u4e8e\u6269\u5c55\u4e86\u7ec4\u4ef6\u4f7f\u7528\u7684\u7075\u6d3b\u6027\u3002<\/section>\n<section><\/section>\n<section>\u4f8b\u5982\uff0c\u7528\u4f5c\u6570\u636e\u51c6\u5907\u7684Lhotse\uff0c\u65e2\u53ef\u4ee5\u7528\u5728Icefall\u9879\u76ee\u91cc\uff0c\u4e5f\u53ef\u4ee5\u7528\u5728\u4efb\u610f\u5176\u4ed6\u8bed\u97f3\u8bc6\u522b\u5e93\u91cc\u6765\u5904\u7406\u97f3\u9891\u548c\u6587\u672c\u6570\u636e\u3002<\/section>\n<section><\/section>\n<section>Daniel\u56e2\u961f\u5728\u53d1\u5e03\u4f1a\u4e0a\u4ecb\u7ecd\u4e86Lhotse\u3001Icefall\u548ck2\u4e09\u4e2a\u90e8\u5206\u7684\u66f4\u65b0\u7ec6\u8282\u3002<\/section>\n<section><\/section>\n<section>Lhotse\u629b\u5f03\u4e86\u4f20\u7edf\u7684shell\u811a\u672c\uff0c\u91c7\u7528\u4e86\u66f4\u52a0\u65b9\u4fbf\u6613\u7528\u7684Python\u8bed\u8a00\u3002\u901a\u8fc7\u901a\u7528\u4e14\u4e0d\u5931\u7075\u6d3b\u6027\u7684\u63a5\u53e3\u8bbe\u8ba1\uff0c\u6ee1\u8db3\u4e86\u5305\u62ec\u8bed\u97f3\u8bc6\u522b\uff0c\u8bed\u97f3\u5408\u6210\u7b49\u591a\u79cd\u8bed\u97f3\u4efb\u52a1\u7684\u9700\u6c42\uff0c\u65b9\u4fbf\u7528\u6237\u57fa\u4e8eLhotse\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u9488\u5bf9\u81ea\u5df1\u7279\u5b9a\u4efb\u52a1\u7684\u63a5\u53e3\uff0c\u64cd\u7eb5\u5404\u79cd\u4e0d\u540c\u7684\u97f3\u9891\u5143\u6570\u636e\u548c\u6587\u672c\u3002<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-993\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159.png\" width=\"835\" height=\"834\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159.png 835w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-300x300.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-150x150.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-768x767.png 768w\" sizes=\"auto, (max-width: 835px) 100vw, 835px\" \/><\/section>\n<section><\/section>\n<section>Lhotse\u5f15\u5165\u4e86Audio Cuts\u7684\u6982\u5ff5\uff0c\u5c06\u8bad\u7ec3\u6570\u636e\u81ea\u52a8\u5730\u7ec4\u7ec7\u4e3a\u4e00\u7ec4\u7ec4Cuts\uff0c\u5e76\u57fa\u4e8e\u8fd9\u79cd\u8868\u793a\uff0c\u63d0\u4f9b\u4e86on-the-fly\u7684\u6570\u636e\u6df7\u5408\uff0c\u88c1\u526a\uff0c\u589e\u5f3a\u548c\u7279\u5f81\u63d0\u53d6\u7b49\u64cd\u4f5c\uff0c\u4ece\u800c\u5728\u4e0d\u5f71\u54cd\u6570\u636e\u5904\u7406\u6548\u7387\u7684\u524d\u63d0\u4e0b\uff0c\u964d\u4f4e\u4e86\u6570\u636e\u5b58\u50a8\u6240\u9700\u7a7a\u95f4\u3002\u00a0<\/section>\n<section><\/section>\n<section>\u6b64\u5916\uff0cLhotse\u8fd8\u63d0\u4f9b\u4e86\u5f88\u591a\u516c\u5f00\u6570\u636e\u96c6\u7684\u6570\u636e\u5904\u7406\u811a\u672c\uff0c\u7528\u6237\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u811a\u672c\uff0c\u6765\u8fdb\u884c\u76f8\u5173\u8bed\u97f3\u4efb\u52a1\u7684\u6570\u636e\u5904\u7406\u5de5\u4f5c\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u7528\u6237\u5728\u67d0\u4e2a\u6570\u636e\u96c6\u4e0a\u8fdb\u884c\u5b9e\u9a8c\u7684\u524d\u671f\u6210\u672c\u3002<\/section>\n<section><\/section>\n<section>\u201c\u76f8\u4fe1\u5728\u4e0d\u4e45\u7684\u5c06\u6765\uff0c\u968f\u7740\u65b0\u4e00\u4ee3Kaldi\u7684\u63a8\u5e7f\u548c\u666e\u53ca\uff0cLhotse\u751a\u81f3\u6709\u53ef\u80fd\u6210\u4e3a\u8bed\u97f3\u9886\u57df\u4f7f\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u6570\u636e\u51c6\u5907\u5de5\u5177\u3002\u201dDaniel\u671f\u5f85\u5730\u8868\u793a\u3002<\/section>\n<section><\/section>\n<section>\u4f5c\u4e3a\u8bad\u7ec3\u811a\u672c\u7684\u96c6\u5408\uff0c\u540cLhotse\u4e00\u6837\uff0cIcefall\u4e5f\u662f\u4e00\u4e2a\u7eafPython\u9879\u76ee\u3002<\/section>\n<section><\/section>\n<section><img decoding=\"async\" class=\"img_loading\" src=\"data:image\/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==\" alt=\"\u56fe\u7247\" width=\"auto\" height=\"auto\" crossorigin=\"anonymous\" data-ratio=\"1\" data-type=\"jpeg\" data-w=\"834\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/cNFA8C0uVPutOhbbic5R5au2TIvqDdrsXYnohicd261VbZtsdIWZCJiaO2j6qXKiaqKc7GQq4Xia3YZ8El3Ph8goNZw\/640?wx_fmt=jpeg\" \/><\/section>\n<section><\/section>\n<section>\u7528\u8fc7Kaldi\u7684\u4eba\u90fd\u77e5\u9053\uff0cKaldi\u91cc\u6709\u5927\u91cf\u7684\u57fa\u4e8e\u4e0d\u540c\u6570\u636e\u96c6\u7684\u793a\u4f8b\u811a\u672c\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u7528\u6237\u7684\u5b66\u4e60\u6210\u672c\u3002<\/section>\n<section><\/section>\n<section>\u4f46\u8fd9\u540c\u65f6\u4e5f\u5e26\u6765\u4e00\u4e2a\u7f3a\u70b9\uff1a\u793a\u4f8b\u811a\u672c\u96c6\u5408\u592a\u8fc7\u5e9e\u5927\uff0c\u4ee3\u7801\u8026\u5408\u8fc7\u4e8e\u7d27\u5bc6\uff0c\u5bfc\u81f4\u7ef4\u62a4\u6210\u672c\u8f83\u9ad8\u3002<\/section>\n<section><\/section>\n<section>\u8003\u8651\u5230\u8fd9\u4e00\u70b9\uff0cDaniel\u8868\u793aIcefall\u5e76\u4e0d\u662f\u5bf9\u5927\u91cf\u811a\u672c\u7684\u76f2\u76ee\u96c6\u5408\uff0c\u800c\u662f\u5728\u63d0\u53d6\u516c\u5171\u7ec4\u4ef6\u7684\u540c\u65f6\u5c06\u4e0d\u540c\u6570\u636e\u96c6\u7684\u793a\u4f8b\u811a\u672c\u8fdb\u884c\u72ec\u7acb\u7ec4\u7ec7\uff0c\u4ee5\u65b9\u4fbf\u7528\u6237\u7684\u5b66\u4e60\u548c\u4f7f\u7528\u3002<\/section>\n<section><\/section>\n<section>\u6b64\u5916\uff0c\u7531\u4e8e\u5c06\u6570\u636e\u51c6\u5907\u90e8\u5206\u5355\u72ec\u653e\u5728Lhotse\u9879\u76ee\u4e2d\uff0c\u6838\u5fc3\u8ba1\u7b97\u90e8\u5206\u5355\u72ec\u653e\u5728k2\u4e2d\uff0cIcefall\u9879\u76ee\u53ea\u9700\u8981\u5173\u6ce8\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\u7684\u7ed3\u6784\u5b9a\u4e49\u90e8\u5206\uff0c\u964d\u4f4e\u4e86\u6574\u4e2a\u8bed\u97f3\u8bc6\u522b\u8fc7\u7a0b\u7684\u8026\u5408\u6027\uff0c\u65b9\u4fbf\u4e86\u7f51\u7edc\u7ed3\u6784\u7684\u590d\u7528\u3002<\/section>\n<section><\/section>\n<section>k2\u662f\u65b0\u4e00\u4ee3Kaldi\u7684\u6838\u5fc3\u3002\u5b83\u7684\u8d21\u732e\u5728\u4e8e\uff0c\u5c06\u52a0\u6743\u6709\u9650\u72b6\u6001\u8f6c\u6362\u5668(Weighted Finite State Transducers, WFST)\u548c\u76f8\u5173\u7b97\u6cd5\u65e0\u7f1d\u5730\u96c6\u6210\u5230\u57fa\u4e8eAutograd\u7684\u673a\u5668\u5b66\u4e60\u5de5\u5177\u5305\u4e2d\uff0c\u5982PyTorch\uff08\u5df2\u5b8c\u6210\u652f\u6301\uff09\u548cTensorFlow\u3002<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-994\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-160.png\" width=\"834\" height=\"834\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-160.png 834w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-160-300x300.png 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-160-150x150.png 150w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-160-768x768.png 768w\" sizes=\"auto, (max-width: 834px) 100vw, 834px\" \/><\/section>\n<section><\/section>\n<section>WFST\u662f\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u6700\u4e3a\u6838\u5fc3\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u6765\u6784\u5efa\u8bf8\u5982\u201c\u97f3\u6807-&gt;\u8bcd-&gt;\u53e5\u5b50\u201d\u7684\u72b6\u6001\u8f6c\u6362\u6982\u7387\u56fe\u3002<\/section>\n<section><\/section>\n<section>\u652f\u6301WFST\u53ef\u5bfc\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u505a\u5f88\u591a\u4ee5\u524d\u5f88\u96be\u505a\u5230\uff0c\u751a\u81f3\u505a\u4e0d\u5230\u7684\u4e8b\u60c5\uff0c\u5982\u6d88\u9664\u4ee5\u5f80\u8bed\u97f3\u8bc6\u522b\u4efb\u52a1\u4e2d\u8bad\u7ec3\u8ddf\u89e3\u7801\u8fc7\u7a0b\u4e0d\u5339\u914d\u7684\u95ee\u9898\u3001\u591a\u8f6e\uff08\u53ef\u6c42\u5bfc\uff09\u7684\u8bed\u97f3\u8bc6\u522b\u8fc7\u7a0b\u3001\u5728\u58f0\u5b66\u7f51\u7edc\u4e2d\u5d4c\u5165\u4efb\u610f\u8f85\u52a9\u4fe1\u606f\u7b49\u3002<\/section>\n<section><\/section>\n<section>\u540c\u65f6\uff0ck2\u4e5f\u652f\u6301\u5f88\u591a\u73b0\u6709\u7684\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\uff0c\u5982CTC\u3001LF-MMI\u3001RNN-T\u7b49\u3002<\/section>\n<section><\/section>\n<section>\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u53bb\u5e74Facebook\u53d1\u5e03\u4e86\u7c7b\u4f3c\u4e8ek2\u7684\u56fe\u7f51\u7edc\u5efa\u6a21GTN\u6846\u67b6\u3002\u4e0e\u4e4b\u76f8\u6bd4\uff0ck2\u5b9e\u73b0\u4e86\u66f4\u591a\u7684WFST\u76f8\u5173\u7b97\u6cd5\uff0c\u5e76\u4e14\u80fd\u591f\u9ad8\u6548\u5730\u652f\u6301GPU\uff08GTN\u76ee\u524d\u53ea\u652f\u6301CPU\uff09\u3002GPU\u5b9e\u73b0\uff0c\u610f\u5473\u7740\u8bed\u97f3\u8bc6\u522b\u6a21\u578b\u7684\u8bad\u7ec3\u901f\u5ea6\u66f4\u5feb\uff0c\u89e3\u7801\u901f\u5ea6\u66f4\u9ad8\u6548\u3002\u65b0\u4e00\u4ee3kaldi\u7684\u89e3\u7801\u901f\u5ea6\u5df2\u7ecf\u662f\u5b9e\u65f6\u7684300\u500d\u5de6\u53f3\u3002<\/section>\n<section>\n\u6b64\u5916\uff0ck2\u5728\u8bed\u97f3\u8bc6\u522b\u7684\u57fa\u7840\u4e0a\uff0c\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u624b\u5199\u6587\u5b57\u8bc6\u522b\u7b49\u5176\u4ed6seq-to-seq\u7684\u4efb\u52a1\u3002<\/section>\n<section>\u00a0<\/section>\n<section data-mpa-template=\"t\">\n<section data-mpa-template=\"t\">\n<h3>\u5168\u9762\u8d4b\u80fd\u5c0f\u7c73\u8bed\u97f3\u4ea7\u54c1<\/h3>\n<section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"14\" data-color=\"#668e68\">\n<section>\n<section data-brushtype=\"text\"><\/section>\n<\/section>\n<\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>\u5728\u4e07\u7269\u4e92\u8054\u7684\u65f6\u4ee3\uff0c\u667a\u80fd\u8bed\u97f3\u4ea4\u4e92\u626e\u6f14\u8005\u8d8a\u6765\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002\u55c5\u89c9\u654f\u9510\u7684\u5c0f\u7c73\u65e9\u57282017\u5e74\u5df2\u7ecf\u6ce8\u610f\u5230\u5230\u8fd9\u7247\u84dd\u6d77\u5e02\u573a\u3002\u5728Daniel\u52a0\u76df\u4e4b\u524d\uff0c\u5c0f\u7c73\u5df2\u7ecf\u9010\u6b65\u642d\u5efa\u4e86\u81ea\u5df1\u7684\u8bed\u97f3\u6280\u672f\u56e2\u961f\uff0c\u5e76\u63a8\u51fa\u4e86\u667a\u80fd\u8bed\u97f3\u4ea7\u54c1-\u5c0f\u7231\u97f3\u7bb1\u30022019 \u5e74\u5e74\u521d\uff0c\u5c0f\u7c73\u521b\u59cb\u4eba\u96f7\u519b\u63d0\u51fa\u201c\u624b\u673a +AIoT&#8221;\u53cc\u5f15\u64ce\u53d1\u5c55\u6218\u7565\uff0c\u4e3a\u5c0f\u7c73\u5728\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u7684\u53d1\u5c55\u6307\u660e\u4e86\u4e00\u6761\u53ef\u884c\u8def\u5f84\u3002<\/section>\n<section><\/section>\n<section>\u201c\u65b0\u4e00\u4ee3Kaldi\u6216\u5c06\u5728\u660e\u5e74\u4e4b\u524d\u5c06\u5168\u90e8\u5e94\u7528\u5230\u5c0f\u7c73\u6240\u6709\u7684\u667a\u80fd\u8bed\u97f3\u4ea7\u54c1\u4e2d\u201d\uff0cDaniel\u5411\u5a92\u4f53\u8868\u793a\u3002\u4ed6\u8bf4\uff0c\u65b0\u4e00\u4ee3Kaldi\u80fd\u591f\u9002\u7528\u5404\u79cd\u573a\u666f\u7684\u4e0d\u540c\u8bed\u97f3\u6a21\u578b\uff0c\u5982\u8fdc\u8fd1\u573a\u8bed\u97f3\u5524\u9192\u3001\u79bb\u5728\u7ebf\u8bed\u97f3\u8bc6\u522b\u3001\u8bf4\u8bdd\u4eba\u8bc6\u522b\u7b49\u901a\u7528\u6a21\u578b\uff0c\u4ee5\u53ca\u53e3\u8bed\u8bc4\u6d4b\u3001\u8bed\u79cd\u8bc6\u522b\u3001\u8bed\u97f3\u60c5\u7eea\u8bc6\u522b\u7b49\u3002<\/section>\n<section><\/section>\n<section>\u4ee5\u5c0f\u7c73\u5c0f\u7231\u4e3a\u4f8b\uff0c\u201c\u901a\u8fc7\u5b83\uff0c\u7528\u6237\u53ef\u4ee5\u8fde\u63a5\u5230\u5404\u79cd\u5404\u6837\u7684 AIoT \u8bbe\u5907\u5e76\u4e0e\u5b83\u4eec\u4ea7\u751f\u4e92\u52a8:\u667a\u80fd\u97f3\u7bb1\u3001\u624b\u673a\u3001\u7535\u89c6\u3001\u667a\u80fd\u624b\u8868\u3001\u513f\u7ae5\u6545\u4e8b\u673a\u3001\u8f66\u8f7d\u540e\u89c6\u955c\u7b49\u3002\u201d<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-995\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158.jpg\" width=\"1080\" height=\"608\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158-300x169.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158-1024x576.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-158-768x432.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/section>\n<section><\/section>\n<section>\u4e0d\u4ec5\u662f\u5c0f\u7c73\uff0c\u6240\u6709\u4f01\u4e1a\u3001\u5f00\u53d1\u8005\u548c\u666e\u901a\u7528\u6237\u90fd\u53ef\u4ee5\u7ee7\u7eed\u4eab\u53d7\u65b0\u4e00\u4ee3Kaldi\u7684\u6838\u5fc3\u6280\u672f\u3002Daniel\u8868\u793a\uff0c\u5f53\u521d\u4e4b\u9009\u62e9\u52a0\u76df\u5c0f\u7c73\uff0c\u4e5f\u662f\u56e0\u4e3a\u5c0f\u7c73\u627f\u8bfaKaldi\u53ef\u4ee5\u7ee7\u7eed\u4f5c\u4e3a\u5f00\u6e90\u9879\u76ee\u3002\u201c\u5c0f\u7c73\u662f\u4e00\u5bb6\u7a33\u5b9a\u7684\u516c\u53f8\uff0c\u91cd\u89c6\u5f00\u6e90\u5f00\u653e\uff0c\u800c\u4e14\u5141\u8bfa\u6211\u4e00\u76f4\u505a\u5f00\u6e90\u9879\u76ee\uff0c\u8fd9\u5bf9\u4e8e\u6211\u6765\u8bf4\u662f\u6700\u597d\u7684\u9009\u62e9\u201d\u3002<\/section>\n<section><\/section>\n<section>Kaldi\u4ece\u8bde\u751f\u4e4b\u65e5\u8d77\uff0c\u5c31\u662f\u4e00\u6b3e\u5f00\u6e90\u8bed\u97f3\u8bc6\u522b\u5de5\u5177\u5305\u3002Daniel\u4e00\u76f4\u575a\u6301\u5f00\u6e90\u5de5\u4f5c\uff0c\u9f13\u52b1\u66f4\u5e7f\u6cdb\u7684\u7528\u6237\u81ea\u7531\u4f7f\u7528\u3001\u590d\u5236\u4ee5\u53ca\u4fee\u6539\u6e90\u4ee3\u7801\uff0c\u5e76\u63a8\u52a8\u667a\u80fd\u8bed\u97f3\u6280\u672f\u7684\u53d1\u5c55\u3002<\/section>\n<section><\/section>\n<section>\u65b0\u4e00\u4ee3Kaldi\u4f9d\u65e7\u91c7\u7528\u4e86\u9ad8\u6548\u7684C++\u4ee3\u7801\u5b9e\u73b0\u3002\u7531\u4e8e\u5c06 k2 \u7684C++\u4ee3\u7801\u90fd\u5305\u88c5\u5230\u4e86Python, \u6a21\u578b\u7684\u8bad\u7ec3\u8fed\u4ee3\u90fd\u53ef\u4ee5\u4f7f\u7528\u7eafPython\u4ee3\u7801\u5b8c\u6210\u3002<\/section>\n<section><\/section>\n<section>Daniel\u8868\u793a\uff0c\u57fa\u4e8eIcefall\u4e2d\u7684\u793a\u4f8b\u811a\u672c\uff0c\u5f00\u53d1\u8005\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u57fa\u4e8e\u81ea\u5df1\u516c\u53f8\u4ea7\u54c1\u7684\u6570\u636e\u96c6\u8fdb\u884c\u4fee\u6539\uff0c\u8fdb\u800c\u5feb\u901f\u5730\u642d\u5efa\u7ebf\u4e0a\u6570\u636e\u53cd\u9988\u548c\u6a21\u578b\u81ea\u52a8\u8fed\u4ee3\u66f4\u65b0\u7684\u6d41\u7a0b\uff0c\u8fd9\u5c06\u5927\u5927\u7f29\u77ed\u6a21\u578b\u66f4\u65b0\u7684\u5468\u671f\u3002<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-996\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159.jpg\" width=\"1080\" height=\"608\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159.jpg 1080w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-300x169.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-1024x576.jpg 1024w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-159-768x432.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/section>\n<section><\/section>\n<section>\u968f\u7740\u65b0\u4e00\u4ee3Kaldi \u7684\u53d1\u5e03\u548c\u5176\u5728\u5c0f\u7c73\u4ea7\u54c1\u7ebf\u7684\u9010\u6b65\u843d\u5730\uff0c\u76f8\u4fe1\u5728\u4e0d\u4e45\u7684\u5c06\u6765\uff0c\u5c0f\u7c73\u5c06\u548c\u5176\u4ed6\u516c\u53f8\u4e00\u8d77\uff0c\u4e3a\u666e\u901a\u7528\u6237\u5e26\u6765\u66f4\u52a0\u5b8c\u5584\u7684AIoT\u4ea7\u54c1\u4f53\u9a8c\u3002<\/section>\n<section><\/section>\n<section>\u6b63\u5982\u5d14\u5b9d\u79cb\u535a\u58eb\u5728\u53bb\u5e74\u4e3e\u884c\u7684Kaldi\u7ebf\u4e0b\u4ea4\u6d41\u4f1a\u4e2d\u6240\u8bb2\uff0c\u8fd9\u5c06\u662f\u56f4\u7ed5Kaldi\u7684\u201c\u56db\u8d62\u201d\u5c40\u9762\uff1aKaldi\u9879\u76ee\u8d62\uff0c\u5c0f\u7c73\u8bed\u97f3\u8d62\uff0c\u5168\u7403\u7684Kaldi\u793e\u533a\u8d62\uff0c\u6240\u6709\u8ddfKaldi\u76f8\u5173\u7684\u4e2d\u5c0f\u578b\u516c\u53f8\u8d62\uff01<\/section>\n<section>\u00a0<\/section>\n<section data-mpa-template=\"t\">\n<section data-mpa-template=\"t\">\n<h3>\u5173\u4e8eDaniel<\/h3>\n<section>\n<section>\n<section data-tools=\"135\u7f16\u8f91\u5668\" data-id=\"14\" data-color=\"#668e68\">\n<section>\n<section data-brushtype=\"text\"><\/section>\n<\/section>\n<\/section>\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section>Daniel\u53ef\u4ee5\u8bf4\u662f\u8bed\u97f3\u8bc6\u522b\u9886\u57df\u7684\u6bbf\u5802\u7ea7\u4eba\u7269\u3002\u9664\u4e86\u5f00\u53d1kaldi\u5916\uff0c\u4ed6\u8fd8\u5bf9\u8bed\u97f3\u8bc6\u522b\u505a\u51fa\u4e86\u8bb8\u591a\u79d1\u5b66\u8d21\u732e\uff0c\u5305\u62ec\u52a9\u529b\u5224\u522b\u8bad\u7ec3\uff08\u73b0\u5728\u79f0\u4e3a\u5e8f\u5217\u8bad\u7ec3\uff09\u7684\u65e9\u671f\u53d1\u5c55\u7b49\u3002\u4ece1999\u5e74\u53d1\u5e03\u8bed\u97f3\u8bc6\u522b\u7814\u7a76\u6210\u679c\u4ee5\u6765\uff0c\u5176\u8bba\u6587\u88ab\u5f15\u7528\u6b21\u6570\u8d85\u8fc7\u4e86 30000 \u6b21\u3002\u4e5f\u56e0\u5982\u6b64\uff0cDaniel\u4ece\u7ea6\u7ff0\u65af\u00b7\u970d\u666e\u91d1\u65af\u5927\u5b66\u79bb\u804c\u540e\uff0c\u5f15\u53d1\u4e86\u5168\u7403\u79d1\u6280\u5de8\u5934\u7684\u4e00\u573a\u4eba\u624d\u4e89\u593a\u6218\u3002<\/section>\n<section><\/section>\n<section><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-997\" src=\"https:\/\/aif.amtbbs.org\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-161.png\" width=\"740\" height=\"416\" alt=\"\u56fe\u7247\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-161.png 740w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2021\/09\/4ffce04d92a4d6cb21c1494cdfcd6dc1-161-300x169.png 300w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" 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