{"blog_url":"https://toshi-hirasawa.hatenadiary.org/","categories":["youtube","linux"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoshi-hirasawa.hatenadiary.org%2Fentry%2F20110820%2F1313810169\" title=\" youtube(flv)\u304b\u3089\u97f3\u58f0(mp3)\u53d6\u308a\u51fa\u3057 - toshi_hirasawa\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"toshi_hirasawa\u306e\u65e5\u8a18","provider_name":"Hatena Blog","description":"#!/bin/sh ffmpeg -i $1.flv -ab 128 -ar 44100 $1.mp3 # reference # http://d.hatena.ne.jp/suttanipaata/20110322/1300807940 # # ffmpeg -i xxx.flv -vn -acodec copy xxx.mp3 not work # [hirasawa@ubunt1004-32-2 video]$","title":" youtube(flv)\u304b\u3089\u97f3\u58f0(mp3)\u53d6\u308a\u51fa\u3057","image_url":null,"height":"190","version":"1.0","published":"2011-08-20 12:16:09","author_name":"toshi_hirasawa","provider_url":"https://hatena.blog","url":"https://toshi-hirasawa.hatenadiary.org/entry/20110820/1313810169","author_url":"https://blog.hatena.ne.jp/toshi_hirasawa/","type":"rich","width":"100%"}