[FFmpeg-user] ffmpeg development

[Moritz Barsnick]

On Wed, Apr 20, 2016 at 10:57:26 +1000, Bazza wrote:
> >Explanation of Conditional Statement and Example:
> >1. run astats or volumedetect to calculate RMS level.
> >2. If RMS level = X dB, then add Y dB level to match the user specified dB level.
> >    Example:   If RMS level = -30dB, and user specified RMS level = -20dB, then add 10dB.
> This seems to have some value. Tried it?
> 
> ffmpeg -filters
> ... dynaudnorm        A->A       Dynamic Audio Normalizer.
> 
> and so ... -af dynaudnorm
> Seems to set peaks ~ 0 and raises lower levels by 6dB etc

It appears to me that Steve wanted static normalization (i.e. a
constant change of volume across the whole audio stream), not dynamic
though.

Moritz