[FFmpeg-user] Audio Normalization with ffmpeg

Nicolas George george at nsup.org
Tue Feb 23 18:41:00 CET 2016

Le quintidi 5 ventôse, an CCXXIV, master yoda a écrit :
> I actually use volumedetect first to determine the peak level of an audio
> stream and set the correct value with -filter_complex volume=x,y dB in my
> video transcoding script to normalize the audio level. I've seen in the
> ffmpeg 3.0 changelog, that there are two new filters available: alimit and
> dynaudnorm. Can I use one of these filters to do a simple audio
> normalization?


The kind of normalization you describe requires reading the file to the end
before doing any treatment, and none of these filters do that.


  Nicolas George
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