免费和收费的都有
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2022-06-04 15:52:41
( reads)
如果仅对Youtube,
Free YouTube to MP3 Converter – that always works (dvdvideosoft.com)
如果从其他已经下载的视频文件中提取音频信号：
https://api.256file.com/webmtomp3_64.exe/en-download-385981.html