{"id":204721,"date":"2025-05-29T10:20:04","date_gmt":"2025-05-29T02:20:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204721\/"},"modified":"2025-05-29T10:20:04","modified_gmt":"2025-05-29T02:20:04","slug":"python%e5%8a%a0%e8%bd%bdlibrosa%e5%ba%93%e5%90%8e%e6%89%be%e4%b8%8d%e5%88%b0output%e6%a8%a1%e5%9d%97%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204721\/","title":{"rendered":"Python\u52a0\u8f7dLibrosa\u5e93\u540e\u627e\u4e0d\u5230\u201coutput\u201d\u6a21\u5757\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Python\u52a0\u8f7dLibrosa\u5e93\u540e\u627e\u4e0d\u5230\u201coutput\u201d\u6a21\u5757\u600e\u4e48\u529e\uff1f<\/h1>\n

\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aPython\u52a0\u8f7dLibrosa\u5e93\u540e\u627e\u4e0d\u5230\u201coutput\u201d\u6a21\u5757\u600e\u4e48\u529e\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

python\u52a0\u8f7dlibrosa\u5e93\u540e\u627e\u4e0d\u5230\u201coutput\u201d\u6a21\u5757<\/strong><\/p>\n

\u5728\u5c1d\u8bd5\u4f7f\u7528librosa\u52a0\u8f7d\u97f3\u9891\u6587\u4ef6\u65f6\uff0c\u51fa\u73b0\u4e86\u5982\u4e0b\u62a5\u9519\uff1a\u201cattributeerror: module ‘librosa’ has no attribute ‘output’\u201d\u3002\u8fd9\u8868\u660elibrosa\u6a21\u5757\u4e2d\u6ca1\u6709\u540d\u4e3a\u201coutput\u201d\u7684\u5c5e\u6027\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n

\u68c0\u67e5librosa\u5e93\u7684\u7248\u672c\u3002\u8f83\u65b0\u7248\u672c\u7684librosa\u5df2\u5f03\u7528\u4e86\u201coutput\u201d\u6a21\u5757\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u65e7\u7248\u672c\uff0c\u8bf7\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u4ee5\u8bbf\u95ee\u201coutput\u201d\u6a21\u5757\u3002<\/p>\n

\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u6700\u65b0\u7248\u672c\u7684librosa\uff0c\u8bf7\u8003\u8651\u4f7f\u7528\u66ff\u4ee3\u65b9\u6cd5\u6765\u8f93\u51fa\u97f3\u9891\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528wave\u6a21\u5757\u4e2d\u7684open()\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

import librosa\nimport wave\n\ny, sr = librosa.load(\"D:\/output\/1.wav\")\nb = librosa.effects.pitch_shift(y, sr, n_steps=-10)\nwith wave.open(\"gg_pitch_shift.wav\", \"wb\") as f:\n    f.setnchannels(1)\n    f.setframerate(sr)\n    f.setsampwidth(2)\n    f.writeframes(b.astype(np.int16))<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Python\u52a0\u8f7dLibrosa\u5e93...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204721","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204721"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204721\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}