{"id":22228,"date":"2024-11-26T18:23:48","date_gmt":"2024-11-26T10:23:48","guid":{"rendered":"http:\/\/139.9.1.231\/?p=22228"},"modified":"2024-11-27T11:03:14","modified_gmt":"2024-11-27T03:03:14","slug":"snac-rvq","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2024\/11\/26\/snac-rvq\/","title":{"rendered":"SNAC:  RVQ\u7684\u6269\u5c55\uff0c\u591a\u5c3a\u5ea6\u795e\u7ecf\u97f3\u9891\u7f16\u89e3\u7801\u5668"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><strong><a href=\"https:\/\/arxiv.org\/abs\/2410.14411\" target=\"_blank\" rel=\"noreferrer noopener\">SNAC: Multi-Scale Neural Audio Codec<\/a><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>Github<\/strong>\uff1a<strong><a href=\"https:\/\/github.com\/hubertsiuzdak\/snac\">https:\/\/github.com\/hubertsiuzdak\/snac<\/a><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>demo\uff1a<em><a href=\"https:\/\/hubertsiuzdak.github.io\/snac\/\">https:\/\/hubertsiuzdak.github.io\/snac\/<\/a><\/em><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-light-pink-background-color has-background\"><strong>\u8bed\u97f3\u5bf9\u8bdd\u5927\u6a21\u578b\u7684\u5e94\u7528<\/strong>\uff1a<a href=\"https:\/\/github.com\/gpt-omni\/mini-omni\" target=\"_blank\" rel=\"noreferrer noopener\">Mini-Omni: Language Models Can Hear, Talk While Thinking in Streaming<\/a>\uff0c\u4f7f\u7528\u4e86<strong>snac<\/strong>\u4f5c\u4e3a<span style=\"background-color: rgba(51, 51, 51, 0.2); font-size: revert;\"><strong>audio decoding<\/strong><\/span><\/p>\n\n\n\n<p>\u6b8b\u5dee\u77e2\u91cf\u91cf\u5316\uff08RVQ\uff09\u5df2\u6210\u4e3a\u4f7f\u7528\u7ea7\u8054 VQ \u4ee3\u7801\u672c\u8fdb\u884c\u795e\u7ecf\u97f3\u9891\u538b\u7f29\u7684\u6807\u51c6\u6280\u672f\u3002&nbsp;\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u591a\u5c3a\u5ea6\u795e\u7ecf\u97f3\u9891\u7f16\u89e3\u7801\u5668\uff0c\u5b83\u662f RVQ \u7684\u7b80\u5355\u6269\u5c55\uff0c\u5176\u4e2d\u91cf\u5316\u5668\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u4e0b\u8fd0\u884c\u3002&nbsp;\u901a\u8fc7\u5728\u53ef\u53d8\u5e27\u7387\u4e0b\u5e94\u7528\u91cf\u5316\u5668\u5c42\u6b21\u7ed3\u6784\uff0c\u7f16\u89e3\u7801\u5668\u9002\u5e94\u4e86\u8de8\u591a\u4e2a\u65f6\u95f4\u5c3a\u5ea6\u7684\u97f3\u9891\u7ed3\u6784\u3002&nbsp;\u6b63\u5982\u5e7f\u6cdb\u7684\u5ba2\u89c2\u548c\u4e3b\u89c2\u8bc4\u4f30\u6240\u8bc1\u660e\u7684\u90a3\u6837\uff0c\u8fd9\u5c06\u5e26\u6765\u66f4\u6709\u6548\u7684\u538b\u7f29\u3002<\/p>\n\n\n\n<p><strong>SNAC<\/strong>\uff08<strong>\u591a\u5c3a\u5ea6\u795e\u7ecf\u97f3\u9891\u7f16\u89e3\u7801\u5668<\/strong>\uff09\uff0c<strong>\u662f\u5bf9\u5f53\u524d\u97f3\u9891\u6b8b\u5dee\u91cf\u5316\u65b9\u6cd5\u7684\u7b80\u5355\u6269\u5c55\uff0c\u901a\u8fc7\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u4e0a\u5f15\u5165\u91cf\u5316\u6765\u5f62\u6210\u97f3\u9891\u7684\u591a\u5c3a\u5ea6\u79bb\u6563\u8868\u793a\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-50-1024x562.png\" alt=\"\" class=\"wp-image-22245\" width=\"591\" height=\"324\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-50-1024x562.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-50-300x165.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-50-768x422.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-50.png 1138w\" sizes=\"(max-width: 591px) 100vw, 591px\" \/><figcaption>\u6bd4\u8f83\u4f20\u7edf\u7684\u6b8b\u5dee\u5411\u91cf\u91cf\u5316 (RVQ) \u548c\u6211\u4eec\u63d0\u51fa\u7684\u591a\u5c3a\u5ea6\u6b8b\u5dee\u5411\u91cf\u91cf\u5316\u3002&nbsp;\u56fe\u8868\u63cf\u7ed8\u4e86\u4e24\u79cd\u65b9\u6cd5\u4ea7\u751f\u7684\u79bb\u6563\u7b26\u5143\u3002&nbsp;\u5728\u4f20\u7edf\u7684 RVQ \u65b9\u6cd5\u4e2d\uff0c\u591a\u5c42\u7684token\u90fd\u662f\u4ee5\u56fa\u5b9a\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u751f\u6210\u7684\uff0c\u800c SNAC \u5229\u7528\u5728\u591a\u4e2a\u65f6\u95f4\u5206\u8fa8\u7387\u4e0a\u8fd0\u884c\u7684\u5206\u5c42\u91cf\u5316\u5668\uff0c\u4f7f\u7f16\u89e3\u7801\u5668\u80fd\u591f\u66f4\u6709\u6548\u5730\u6355\u83b7\u7c97\u7565\u548c\u7cbe\u7ec6\u7684\u7ec6\u8282\u3002<\/figcaption><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1017\" height=\"333\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-52.png\" alt=\"\" class=\"wp-image-22333\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-52.png 1017w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-52-300x98.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-52-768x251.png 768w\" sizes=\"(max-width: 1017px) 100vw, 1017px\" \/><figcaption><strong>stride\u4ece4\uff0c2\uff0c1\u9010\u6e10\u964d\u4f4e\uff0c\u65f6\u95f4\u5206\u8fa8\u7387\u9010\u6e10\u589e\u52a0\uff0c\u5bf9\u5e94\u4e0a\u56fe\u7684\u7531\u7c97\u5230\u7ec6\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u91cf\u5316<\/strong>\uff0c\u5bf9\u5e94 <strong>\u4e0d\u540c\u901f\u7387\u7684\u7b26\u5143\u5e8f\u5217<\/strong> <\/figcaption><\/figure>\n\n\n\n<h3>\u65b9\u6cd5\uff1a<\/h3>\n\n\n\n<p>\u6a21\u578b\u5efa\u7acb\u5728 RVQGAN\u7684\u57fa\u7840\u4e0a\uff0c\u8fd9\u662f\u4e00\u4e2a\u5177\u6709\u6b8b\u5dee\u5411\u91cf\u91cf\u5316 (RVQ) \u74f6\u9888\u7684\u7f16\u7801\u5668-\u89e3\u7801\u5668\u7f51\u7edc\u3002&nbsp;\u5b83\u4f7f\u7528\u7ea7\u8054\u7684&nbsp;Nq&nbsp;\u5411\u91cf\u91cf\u5316\u5c42\uff0c\u5176\u4e2d\u6bcf\u4e00\u5c42\u5c06\u6b8b\u5dee&nbsp;\ud835\udc31\u2208\u211d<sup>T\u00d7C<\/sup>&nbsp;\u6620\u5c04\u5230\u5f62\u72b6\u4e3a&nbsp;T\u00d7D&nbsp;\u7684\u5355\u70ed\u5411\u91cf\u5e8f\u5217\uff0c\u5176\u4e2d&nbsp;T&nbsp;\u8868\u793a\u5e27\u6570\uff0cC&nbsp;\u662f\u7f16\u7801\u5668\u7ef4\u5ea6\uff0cD&nbsp;\u662f\u7801\u5b57\u7ef4\u5ea6\u3002<\/p>\n\n\n\n<h4 id=\"yiyi-54\">\u591a\u5c3a\u5ea6\u6b8b\u5dee\u5411\u91cf\u91cf\u5316<\/h4>\n\n\n\n<p id=\"S3.SS0.SSS0.Px1.p1.5\">\u6211\u4eec\u7684\u5de5\u4f5c\u901a\u8fc7\u5f15\u5165\u591a\u5c3a\u5ea6\u6b8b\u5dee\u5411\u91cf\u91cf\u5316\uff08\u5982\u4e0a\u56fe\u6240\u793a\uff09\u6269\u5c55\u4e86 RVQGAN\u3002&nbsp;\u5728\u6bcf\u6b21\u8fed\u4ee3&nbsp;<em>i&nbsp;<\/em>\u4e2d\uff0c<strong>\u5c06\u6b8b\u5dee\u4e0b\u91c7\u6837&nbsp;<em>W<sub>i<\/sub><\/em>&nbsp;\u500d\uff0c\u6267\u884c\u7801\u672c\u67e5\u627e\uff0c\u7136\u540e\u4e0a\u91c7\u6837<em>&nbsp;W<sub>i<\/sub>&nbsp;<\/em>\u500d\u4ee5\u5339\u914d&nbsp;<em>\ud835\udc31<\/em>&nbsp;\u7684\u539f\u59cb\u65f6\u95f4\u5206\u8fa8\u7387&nbsp;<em>T<\/em><\/strong>\u3002&nbsp;\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<strong>\u5e73\u5747\u6c60\u5316\u8fdb\u884c\u4e0b\u91c7\u6837\uff0c\u5e76\u4f7f\u7528\u6700\u8fd1\u90bb\u63d2\u503c\u8fdb\u884c\u4e0a\u91c7\u6837<\/strong>\u3002<\/p>\n\n\n\n<h4>\u566a\u58f0\u5757\uff08Noise Block\uff09<\/h4>\n\n\n\n<p>\u4e3a\u4e86\u5f15\u5165\u968f\u673a\u6027\u5e76\u589e\u5f3a\u89e3\u7801\u5668\u7684\u8868\u73b0\u529b\uff0c\u6211\u4eec\u5728\u6bcf\u4e2a<strong>\u4e0a\u91c7\u6837\u5c42<\/strong>\u4e4b\u540e\u6dfb\u52a0\u4e86\u4e00\u4e2a<strong>\u566a\u58f0\u5757<\/strong>\u3002\u8be5\u5757\u901a\u8fc7\u66f4\u65b0\u8f93\u5165\u6765\u5411\u6fc0\u6d3b\u503c\u6dfb\u52a0\u566a\u58f0\uff1a<br>                                      x\u2190x+Linear(x)\u2299\u03b5<br>\u5176\u4e2d \u03b5\u223cN(0,1) \u662f\u9ad8\u65af\u566a\u58f0\uff0c\u2299 \u8868\u793a\u9010\u5143\u7d20\u4e58\u6cd5\u3002\u8fd9\u79cd\u673a\u5236\u5141\u8bb8\u6a21\u578b\u6ce8\u5165\u4e0e\u8f93\u5165\u76f8\u5173\u7684\u566a\u58f0\u3002<strong>\u5b9e\u9a8c\u53d1\u73b0\uff0c\u566a\u58f0\u5757\u53ef\u4ee5\u6539\u5584\u91cd\u5efa\u8d28\u91cf\uff0c\u5e76\u4fc3\u8fdb\u7801\u4e66\uff08codebook\uff09\u7684\u66f4\u597d\u5229\u7528\u3002<\/strong><\/p>\n\n\n\n<h4>\u6df1\u5ea6\u5377\u79ef\uff08Depthwise Convolution\uff09<\/h4>\n\n\n\n<p>\u6df1\u5ea6\u53ef\u5206\u79bb\u5377\u79ef\u6700\u521d\u88ab\u5f15\u5165\u662f\u4e3a\u4e86\u5728\u89c6\u89c9\u5e94\u7528\u4e2d\u6784\u5efa\u66f4\u8f7b\u91cf\u7684\u6a21\u578b\u3002\u901a\u8fc7\u5bf9\u6bcf\u4e2a\u8f93\u5165\u901a\u9053\u5e94\u7528\u5355\u4e2a\u6ee4\u6ce2\u5668\uff0c\u8be5\u65b9\u6cd5\u663e\u8457\u51cf\u5c11\u4e86\u8ba1\u7b97\u91cf\u548c\u6a21\u578b\u5927\u5c0f\u3002\u5efa\u8bae\u5728\u751f\u6210\u5668\u4e2d\u4f7f\u7528\u6df1\u5ea6\u5377\u79ef\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u51cf\u5c11\u53c2\u6570\u6570\u91cf\uff0c\u8fd8\u80fd\u7a33\u5b9a\u8bad\u7ec3\u8fc7\u7a0b\u3002\u57fa\u4e8e GAN \u7684\u58f0\u7801\u5668\uff08vocoders\uff09\u4ee5\u5176\u8bad\u7ec3\u7684\u4e0d\u7a33\u5b9a\u6027\u800c\u95fb\u540d\uff0c\u901a\u5e38\u5728\u65e9\u671f\u8bad\u7ec3\u9636\u6bb5\u4f1a\u51fa\u73b0\u68af\u5ea6\u53d1\u6563\uff0c\u5bfc\u81f4\u8bad\u7ec3\u4e0d\u7a33\u5b9a\u751a\u81f3\u6a21\u578b\u5d29\u6e83\u3002<\/p>\n\n\n\n<h4>\u5c40\u90e8\u7a97\u53e3\u6ce8\u610f\u529b\uff08Local Windowed Attention\uff09<\/h4>\n\n\n\n<p>\u5728\u6211\u4eec\u7684\u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u5728\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u4e2d\u6700\u4f4e\u65f6\u95f4\u5206\u8fa8\u7387\u5904\u5f15\u5165\u4e86\u5355\u5c42<strong>\u5c40\u90e8\u7a97\u53e3\u6ce8\u610f\u529b<\/strong>\u3002\u8fd9\u6837\u8bbe\u8ba1\u7684\u52a8\u673a\u662f\u5229\u7528\u6ce8\u610f\u529b\u673a\u5236\u6839\u636e\u4e0d\u540c\u8f93\u5165\u81ea\u9002\u5e94\u5730\u5173\u6ce8\u76f8\u5173\u7279\u5f81\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u4e0e\u540e\u7eed\u7684\u5e73\u5747\u6c60\u5316\u4e92\u4e3a\u8865\u5145\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u6355\u83b7\u4e0a\u4e0b\u6587\u8868\u793a\u3002\u7c7b\u4f3c\u5730\uff0c\u6587\u732e\u301013\u3011\u4e2d\u5f15\u5165\u4e86 LSTM \u5c42\uff0c\u4ee5\u66f4\u6709\u6548\u5730\u5efa\u6a21\u65f6\u95f4\u4f9d\u8d56\u6027\u3002<\/p>\n\n\n\n<h4>\u8be6\u7ec6\u7f51\u7edc\u7ed3\u6784\uff1a<\/h4>\n\n\n\n<p><strong>\u4e00\u822c\u97f3\u9891\uff1a<\/strong><\/p>\n\n\n\n<p>\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u90fd\u5728\u6700\u4f4e\u65f6\u95f4\u5206\u8fa8\u7387\u5904\u5305\u542b\u5c40\u90e8\u7a97\u53e3\u5316\u6ce8\u610f\u529b\u5c42\u3002\u00a0\u6211\u4eec\u7528\u6df1\u5ea6\u5377\u79ef\u66ff\u6362\u4e86\u5927\u591a\u6570\u5377\u79ef\uff0c\u9664\u4e86\u5d4c\u5165\u3001\u8f93\u51fa\u6295\u5f71\u548c\u4e0a\u91c7\u6837\u5c42\u3002\u00a0\u7f16\u7801\u5668\u4f7f\u7528\u4e0b\u91c7\u6837\u5c42\u7ea7\u8054\uff0c\u901f\u7387\u5206\u522b\u4e3a [2, 3, 8, 8]\uff0c\u89e3\u7801\u5668\u4e2d\u76f8\u5e94\u7684\u4e0a\u91c7\u6837\u5c42\u901f\u7387\u4e3a [8, 8, 3, 2]\u3002\u00a0<strong>\u5728 RVQ \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 [8, 4, 2, 1] \u7684\u964d\u91c7\u6837\u56e0\u5b50\uff08\u6b65\u957f\uff09\uff0c\u6709\u6548\u5730\u5c06 44.1 kHz \u7684\u8f93\u5165\u4fe1\u53f7\u538b\u7f29\u4e3a\u56db\u79cd\u4e0d\u540c\u901f\u7387\u7684\u7b26\u5143\u5e8f\u5217\uff0c\u5206\u522b\u4e3a 14\u300129\u300157 \u548c 115 Hz\u3002\u00a0\u6bcf\u4e2a\u7801\u672c\u5305\u542b 4096 \u4e2a\u6761\u76ee\uff0812 \u4f4d\uff09\uff0c\u603b\u6bd4\u7279\u7387\u4e3a 2.6 kbps\u3002\u00a0<\/strong>\u8be5\u6a21\u578b\u7531\u7f16\u7801\u5668\u4e2d\u7684 1600 \u4e07\u4e2a\u53c2\u6570\u548c\u89e3\u7801\u5668\u4e2d\u7684 3830 \u4e07\u4e2a\u53c2\u6570\u7ec4\u6210\uff0c\u603b\u5171 5450 \u4e07\u4e2a\u53c2\u6570\u3002\u00a0\u6211\u4eec\u5e94\u7528\u76f8\u540c\u7684\u67b6\u6784<strong>\u5728 32 kHz \u97f3\u9891\u4e0a\u8fdb\u884c\u8bad\u7ec3\uff0c\u5bfc\u81f4\u7b26\u5143\u901f\u7387\u5206\u522b\u4e3a 10\u300121\u300142 \u548c 83 Hz<\/strong>\uff0c\u603b\u6bd4\u7279\u7387\u4e3a 1.9 kbps\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u97f3\uff1a<\/strong><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u8bed\u97f3\u7f16\u89e3\u7801\u5668\uff0c\u901a\u8fc7\u8c03\u6574\u7f16\u7801\u5668\uff08\u4ee5\u53ca\u76f8\u5e94\u7684\u89e3\u7801\u5668\uff09\u4e2d\u7684\u964d\u91c7\u6837\u56e0\u5b50\u6765\u4fee\u6539\u67b6\u6784\uff0c\u8c03\u6574\u540e\u7684\u56e0\u5b50\u4e3a [2, 4, 8, 8]\u3002\u00a0\u5728<strong>\u6b8b\u5dee\u5411\u91cf\u91cf\u5316\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 [4, 2, 1] \u7684\u6b65\u957f\u3002\u00a0\u8be5\u6a21\u578b\u5728 24 kHz \u97f3\u9891\u4e0a\u8fdb\u884c\u8bad\u7ec3\uff0c\u5bfc\u81f4\u7b26\u5143\u901f\u7387\u5206\u522b\u4e3a 12\u300123 \u548c 47 Hz\uff0c<\/strong>\u6709\u6548<strong>\u6bd4\u7279\u7387\u4e3a\u6bcf\u79d2 984 \u6bd4\u7279\u3002<\/strong>\u00a0\u6b64\u5916\uff0c\u6211\u4eec\u51cf\u5c11\u4e86\u5377\u79ef\u901a\u9053\u7684\u6570\u91cf\uff0c\u5bfc\u81f4\u7f16\u7801\u5668\u4e2d\u6709 670 \u4e07\u4e2a\u53c2\u6570\uff0c\u89e3\u7801\u5668\u4e2d\u6709 1300 \u4e07\u4e2a\u53c2\u6570\uff0c\u603b\u5171 1980 \u4e07\u4e2a\u53c2\u6570\u3002\u00a0\u6211\u4eec\u7701\u7565\u4e86\u8bed\u97f3\u7f16\u89e3\u7801\u5668\u4e2d\u7684\u5c40\u90e8\u7a97\u53e3\u5316\u6ce8\u610f\u529b\u5c42\uff0c\u4f7f\u67b6\u6784\u5b8c\u5168\u5377\u79ef\u5316\u3002<\/p>\n\n\n\n<h3>\u5b9e\u9a8c\uff1a<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"521\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-51-1024x521.png\" alt=\"\" class=\"wp-image-22287\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-51-1024x521.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-51-300x153.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-51-768x391.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2024\/11\/image-51.png 1192w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u56fe 2:&nbsp;MUSHRA \u542c\u529b\u7814\u7a76\u7ed3\u679c\uff0c\u7f6e\u4fe1\u533a\u95f4\u4e3a 95%\u3002&nbsp;\u6211\u4eec\u53ef\u89c6\u5316\u4e86 SNAC \u76f8\u6bd4\u4e8e\u5148\u524d\u6700\u5148\u8fdb\u65b9\u6cd5\u7684\u6027\u80fd\u3002&nbsp;\u6211\u4eec\u53d1\u73b0 SNAC \u5728\u4f7f\u7528\u660e\u663e\u66f4\u4f4e\u7684\u6bd4\u7279\u7387\u7684\u60c5\u51b5\u4e0b\uff0c\u6027\u80fd\u4f18\u4e8e\u73b0\u6709\u7684\u8bed\u97f3\u7f16\u89e3\u7801\u5668\uff0c\u5e76\u4e14\u5728\u97f3\u4e50\u91cd\u5efa\u8d28\u91cf\u65b9\u9762\u4e0e DAC \u76f8\u5f53\uff0c\u4f46\u6bd4\u7279\u7387\u660e\u663e\u66f4\u4f4e\u3002<\/figcaption><\/figure>\n\n\n\n<h4 id=\"yiyi-171\">\u97f3\u4e50<\/h4>\n\n\n\n<p id=\"S4.SS4.SSS0.Px1.p1.1\">\u6211\u4eec\u5c06\u7b2c&nbsp;<a href=\"https:\/\/arxiv.org\/html\/2410.14411v1#S4.SS1\">4.1<\/a>&nbsp;\u8282\u4e2d\u4ecb\u7ecd\u7684\u9488\u5bf9\u901a\u7528\u97f3\u9891\u7684\u4e24\u79cd SNAC \u53d8\u4f53\u4e0e MusicGen&nbsp;[28]&nbsp;\u4e2d Encodec&nbsp;[13]&nbsp;\u7684 32 kHz \u68c0\u67e5\u70b9\u4ee5\u53ca\u4f7f\u7528 3\u30016 \u6216 9 \u4e2a\u7801\u672c\u7684\u5b98\u65b9 DAC&nbsp;[2]&nbsp;\u68c0\u67e5\u70b9\u8fdb\u884c\u6bd4\u8f83\u3002&nbsp;\u6211\u4eec\u89c2\u5bdf\u5230\uff0cSNAC \u660e\u663e\u4f18\u4e8e\u5176\u4ed6\u7f16\u89e3\u7801\u5668\uff0c\u4f8b\u5982\u5728\u53ef\u6bd4\u8f83\u6bd4\u7279\u7387\u4e0b\u8fd0\u884c\u7684 Encodec\uff0832 kHz\uff09\u548c DAC\uff08\u4f7f\u7528 3 \u4e2a\u7801\u672c\uff09\u3002&nbsp;\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cSNAC \u751a\u81f3\u4e0e\u6bd4\u7279\u7387\u662f\u5176\u4e24\u500d\u4ee5\u4e0a\u7684\u7f16\u89e3\u7801\u5668\u76f8\u7ade\u4e89\u3002&nbsp;\u6b64\u5916\uff0c\u5728 32 kHz \u548c 44 kHz \u4e0b\u7684 SNAC \u6a21\u578b\u4e4b\u95f4\u611f\u77e5\u5230\u7684\u97f3\u9891\u8d28\u91cf\u5dee\u5f02\u5f88\u5c0f\uff0c\u8fd9\u8868\u660e 32 kHz \u6a21\u578b\u8db3\u4ee5\u5b8c\u6210\u5927\u591a\u6570\u4efb\u52a1\uff0c\u5e76\u63d0\u4f9b\u66f4\u4f4e\u6bd4\u7279\u7387\u7684\u989d\u5916\u4f18\u52bf\u3002<\/p>\n\n\n\n<h4 id=\"yiyi-176\">\u8bed\u97f3<\/h4>\n\n\n\n<p id=\"S4.SS4.SSS0.Px2.p1.1\">\u5bf9\u4e8e\u8bed\u97f3\uff0c\u6211\u4eec\u5c06 SNAC \u8bed\u97f3\u6a21\u578b\u4e0e EnCodec\uff0824 kHz \u68c0\u67e5\u70b9\uff09\u548c DAC \u8fdb\u884c\u6bd4\u8f83\uff0c\u4f7f\u7528\u4e0d\u540c\u7684\u7801\u672c\u6570\u91cf\u3002&nbsp;\u5728\u6211\u4eec\u7684\u8bc4\u4f30\u4e2d\uff0cSNAC \u4e00\u76f4\u4f18\u4e8e\u6240\u6709\u5176\u4ed6\u7f16\u89e3\u7801\u5668\u3002&nbsp;\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5373\u4f7f\u5728\u4f4e\u4e8e 1 kbit\/s \u7684\u6bd4\u7279\u7387\u4e0b\uff0cSNAC \u4ecd\u7136\u4fdd\u6301\u7740\u63a5\u8fd1\u53c2\u8003\u4fe1\u53f7\u7684\u97f3\u9891\u8d28\u91cf\u3002&nbsp;\u8fd9\u79cd\u6548\u7387\u4f7f\u5176\u5728\u5e26\u5bbd\u53d7\u9650\u7684\u5e94\u7528\u4e2d\u7279\u522b\u6709\u5229\uff0c\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0c\u4fdd\u6301\u8bed\u97f3\u7684\u6e05\u6670\u5ea6\u548c\u53ef\u61c2\u5ea6\u81f3\u5173\u91cd\u8981<\/p>\n\n\n\n<h3>\u7ed3\u8bba<\/h3>\n\n\n\n<p id=\"S5.p1.1\">\u6211\u4eec\u4ecb\u7ecd\u4e86\u591a\u5c3a\u5ea6\u795e\u7ecf\u97f3\u9891\u7f16\u89e3\u7801\u5668 (SNAC)\uff0c\u5b83\u662f\u6b8b\u5dee\u77e2\u91cf\u91cf\u5316\u7684\u6269\u5c55\uff0c\u4f7f\u7528\u5728\u591a\u4e2a\u65f6\u95f4\u5206\u8fa8\u7387\u4e0b\u8fd0\u884c\u7684\u91cf\u5316\u5668\u3002&nbsp;\u8fd9\u79cd\u591a\u5c3a\u5ea6\u65b9\u6cd5\u9002\u5e94\u4e86\u97f3\u9891\u4fe1\u53f7\u7684\u56fa\u6709\u7ed3\u6784\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u538b\u7f29\u3002&nbsp;\u6d88\u878d\u7814\u7a76\u8bc1\u5b9e\u4e86\u6211\u4eec\u8bbe\u8ba1\u9009\u62e9\u7684\u610f\u4e49\u3002&nbsp;SNAC \u5728\u97f3\u4e50\u548c\u8bed\u97f3\u9886\u57df\u90fd\u4f18\u4e8e\u73b0\u6709\u7684\u6700\u5148\u8fdb\u7684\u7f16\u89e3\u7801\u5668\uff0c\u5728\u66f4\u4f4e\u7684\u6bd4\u7279\u7387\u4e0b\u63d0\u4f9b\u66f4\u9ad8\u7684\u97f3\u9891\u8d28\u91cf\uff0c\u6b63\u5982\u5e7f\u6cdb\u7684\u5ba2\u89c2\u548c\u4e3b\u89c2\u8bc4\u4f30\u6240\u8bc1\u660e\u7684\u90a3\u6837\u3002&nbsp;\u901a\u8fc7\u5f00\u6e90\u6211\u4eec\u7684\u4ee3\u7801\u548c\u6a21\u578b\uff0c\u6211\u4eec\u65e8\u5728\u4e3a\u795e\u7ecf\u97f3\u9891\u538b\u7f29\u7814\u7a76\u7684\u8fdb\u6b65\u505a\u51fa\u8d21\u732e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SNAC: Multi-Scale Neural Audio Codec Github\uff1ahttps:\/\/git &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2024\/11\/26\/snac-rvq\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">SNAC:  RVQ\u7684\u6269\u5c55\uff0c\u591a\u5c3a\u5ea6\u795e\u7ecf\u97f3\u9891\u7f16\u89e3\u7801\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[40,4,9,38,34],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/22228"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=22228"}],"version-history":[{"count":74,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/22228\/revisions"}],"predecessor-version":[{"id":22339,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/22228\/revisions\/22339"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=22228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=22228"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=22228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}