[FFmpeg-user] audio frequency frame by frame

Fernanda Rebelatto fernanda.rebelatto at gmail.com
Tue Feb 14 12:45:11 CET 2012

Em 9 de fevereiro de 2012 21:10, Stefano Sabatini <stefasab at gmail.com> escreveu:
> You may write an audio filter and perform audio data analysis (hint:
> you can find many high quality DSP routines in libavcodec in case you
> want to do some coding).

Which filter could I use? I tried using ashowinfo, but it failed. I
don't know to use the audio filter in the right way. could it be like
this: ffmpeg-i input.mp4-filter: a ashowinfo?

Fernanda Rebelatto
Analista de Sistemas

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