{"author_url":"https://blog.hatena.ne.jp/rasumus/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","description":"2019 Apr. 14.\u97f3\u58f0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u78ba\u8a8d\u3059\u308b $ ffmpeg -i INFILE 2>&1 | grep Audio\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u306e\u62e1\u5f35\u5b50\u306b\u97f3\u58f0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5fdc\u3058\u305f\u3082\u306e\u3092\u6307\u5b9a\u3057\u3066\u3001\u97f3\u58f0\u3092\u62bd\u51fa\u3059\u308b$ ffmpeg -i INFILE -vn -acodec copy OUTFILE.extension","image_url":null,"height":"190","title":"\u52d5\u753b\u304b\u3089\u97f3\u58f0\u3092\u7121\u52a3\u5316\u62bd\u51fa","author_name":"rasumus","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frasumus.hatenablog.com%2Fentry%2F2019%2F04%2F14%2F092100\" title=\"\u52d5\u753b\u304b\u3089\u97f3\u58f0\u3092\u7121\u52a3\u5316\u62bd\u51fa - rokkonet\" 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":"rokkonet","url":"https://rasumus.hatenablog.com/entry/2019/04/14/092100","blog_url":"https://rasumus.hatenablog.com/","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"width":"100%","type":"rich","published":"2019-04-14 09:21:00","version":"1.0"}