toshi_hirasawa https://blog.hatena.ne.jp/toshi_hirasawa/ toshi_hirasawaの日記 https://toshi-hirasawa.hatenadiary.org/ youtube linux #!/bin/sh ffmpeg -i $1.flv -ab 128 -ar 44100 $1.mp3 # reference # http://d.hatena.ne.jp/suttanipaata/20110322/1300807940 # # ffmpeg -i xxx.flv -vn -acodec copy xxx.mp3 not work # [hirasawa@ubunt1004-32-2 video]$ 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoshi-hirasawa.hatenadiary.org%2Fentry%2F20110820%2F1313810169" title=" youtube(flv)から音声(mp3)取り出し - toshi_hirasawaの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2011-08-20 12:16:09 rich https://toshi-hirasawa.hatenadiary.org/entry/20110820/1313810169 1.0 100%