[FFmpeg-user] Reduce audio noise

mikkel meinike mimeini at gmail.com
Mon Aug 22 20:27:10 CEST 2011

I have experimented a lot with it. One can for example take the sound out

something like it
ffmpeg-i sameq myvideo.avi -acodec copy mysound.wav

so you can run a noise filter in sox or audacity. And then take the
sound back again

something like this.
ffmpeg-i sameq myvideo.avi -vcodec copy -mynewsound.wav -acodec copy

I will not go into details of what they do in sox and audacity because
I myself have been very disappointed with the result but if you'd like
to try, I will come here to explain it. I sit right now and is about
to do it in a movie where there has been much wind into the


On Sat, Aug 20, 2011 at 11:49 PM, Cecil Westerhof <Cecil at decebal.nl> wrote:
> Op zaterdag 20 aug 2011 22:04 CEST schreef Stefano Sabatini:
>> On date Saturday 2011-08-20 19:43:27 +0200, Cecil Westerhof encoded:
>>> My camera is not the best there is and I can not connect a microphone
>>> to it. So the audio is recorded with the internal microphone. It is
>>> not bad, but it gives some audio noise. How do I filter this noise
>>> away?
>> Audio filtering is a work in progress, and will hopefully land soon,
>> right now not yet possible.
> Okay, thanks.
> --
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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