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Posted by Netmask on 09/13/06 04:18
"Bob" <spam@uce.gov> wrote in message
news:4503f2d5.2532843@news-server.houston.rr.com...
> On Sun, 10 Sep 2006 02:27:33 GMT, "Pseud O. Nym"
> <pon@gotta-go-now.com> wrote:
>
>>If you are working with an XviD AVI file, you can use VirtualDubMod or
>>VirtualDub-MPEG2 to adjust the volume.
>
>>Just do a video "direct stream copy" and an audio "full process" and set
>>the new volume level desired and save the AVI file.
>
> Unfortunately the audio on the AVI is clipped and sounds terrible.
> After processing with ConvertXtoDVD the clipping is gone but the
> volume is too low.
>
> What I need is something that inputs my VOBs and increases the volume.
>
>
> --
>
> "There is no distinctly native American criminal class save Congress."
> --Mark Twain
>
Clipping is virtually impossible to remove so my guess is you have a
different problem - there are plug-in that attempt it but when you look at
an audio waveform clipping basically cuts the top and bottom off the
waveform and in the process generated enormous odd harmonic distortion. The
process of recoding from AVI to VOB isn't going to change that... anyway
basically you need to go back to the original file, demux it to extract the
video and audio stream. Then in a audio editing program like for example
CoolEdit Pro, process the audio with a compressor/limiter plug-in to reduce
the dynamic range then you can raise the average level that will make the
soundtrack sound louder.
Another approach is since you say the VOB files sound 'better' for whatever
reason than the original avi you could demux the VOB files and do the above,
then recombine them. Good luck...
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