[FFmpeg-user] Dim audio in parts where there is a lot of wind

[German Geraskin]

> I have videos where the audio is mostly reasonable good, but sometimes
> the wind creates havoc. Is there a way to dial the volume a good deal
> down for those parts only?
> It would be even better if that could be down in say half a second
> instead of at once.

Hi, Cecil

You can use the volume audio filter.
Example for Linux version of ffmpeg:

  -af volume=0.5:enable='between(t\,26.12\,28.64)'

It means - set volume to 0.5 between 26.12 and 28.64 seconds.