[FFmpeg-user] sound volume normalisation

Moritz Barsnick barsnick at gmx.net
Wed Jun 26 00:18:33 CEST 2013

On Tue, Jun 25, 2013 at 19:56:23 +0200, jacky wrote:
>  1.   demux video , demux audio
>  2.   run lame to find out the sound level

Have you seen ffmpeg's volumedetect filter?

The example says it all.

Like Bouke writes though, you need to do two-pass, but all within


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