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Re: amplify audio with ffmpeg?: msg#00187

video.ffmpeg.user

Subject: Re: amplify audio with ffmpeg?

T wrote:
On Sun, 16 Apr 2006 22:30:40 -0700, fanbanlo wrote:

How can i Amplify audio with ffmpeg?
If not, what should I use? MEncoder?

I want to know that too, especially for ac3.

Thanks

I needed to convert MPEGII -> .MP4/.3GP

Right now my solution is to demux the Result.mp4 into M4V and AAC, then apply AACGain (http://altosdesign.com/aacgain/) to the AAC track, and then remux them together.

I tried demux the MPEGII to 2 streams first, and encode video and audio seperately, but somehow when I remux them back together, they're out of sync.

Henry


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