{"description":"\u3053\u3053\u3067\u3044\u3046\u300c\u97f3\u91cf\u306e\u6700\u5927\u5316\u300d\u3068\u306f\u3001\u30d4\u30fc\u30af\u6642\u306e\u97f3\u91cf\u304c\u6700\u5927\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u3055\u3059\u3002 \u516c\u5f0f\u306e\u65b9\u6cd5\u3060\u3068\u3001volumedetect \u3067\u30d4\u30fc\u30af\u306e\u97f3\u91cf\u3092\u53d6\u5f97\u2192\u305d\u306e\u97f3\u91cf\u3092 volume change \u3057\u3066\u97f3\u58f0\u3060\u3051\u518d\u30a8\u30f3\u30b3\u30fc\u30c9 \u3068\u3044\u30462\u30b9\u30c6\u30c3\u30d7\u5fc5\u8981\u3002 https://trac.ffmpeg.org/wiki/AudioVolume \u3053\u308c\u306f\u9762\u5012\uff01\uff01 \u3068\u3044\u3046\u3053\u3068\u3067\u3001ffmpeg-normalize \u3068\u3044\u3046\u306e\u3092\u5c0e\u5165\u3059\u308b\u3068\u826f\u3044\u3002 https://github.com/slhck/ffmpeg-normalize ffmpeg-normalize [input] -nt peak -t 0 -c:a aac -o [o\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcastaneai.hatenablog.com%2Fentry%2F2018%2F11%2F10%2F172639\" title=\"ffmpeg \u3067\u300c\u97f3\u91cf\u306e\u6700\u5927\u5316\u300d\u3092\u3059\u308b - castaneai\u306e\u30d6\u30ed\u30b0\" 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":"castaneai\u306e\u30d6\u30ed\u30b0","height":"190","version":"1.0","published":"2018-11-10 17:26:39","author_url":"https://blog.hatena.ne.jp/castaneai/","type":"rich","provider_name":"Hatena Blog","title":"ffmpeg \u3067\u300c\u97f3\u91cf\u306e\u6700\u5927\u5316\u300d\u3092\u3059\u308b","image_url":null,"categories":["ffmpeg"],"width":"100%","url":"https://castaneai.hatenablog.com/entry/2018/11/10/172639","author_name":"castaneai","blog_url":"https://castaneai.hatenablog.com/","provider_url":"https://hatena.blog"}