On Fri, May 7, 2010 at 21:44, Rob Owens <row...@ptd.net> wrote:

> On Fri, May 07, 2010 at 09:29:44PM +0530, Anand Sivaram wrote:
> > On Fri, May 7, 2010 at 21:19, Merciadri Luca <
> > luca.mercia...@student.ulg.ac.be> wrote:
> >
> > > Hi,
> > >
> > > I have some videos, with different encodings, whose soundtrack is
> > > interesting for me. How can I extract the related sountracks in an easy
> > > way? I tried with VLC, but to no avail, as VLC either creates another
> > > file, with the desired extension (e.g. mp3), but with the same content
> > > (i.e. video + sound), or simply creates some corrupted file.
> > >
> > > Thanks all.
> > >
> > > --
> > > Merciadri Luca
> > > See http://www.student.montefiore.ulg.ac.be/~merciadri/
> > > I use PGP. If there is an incompatibility problem with your mail
> > > client, please contact me.
> > >
> >
> >
> > Use ffmpeg
> >
> > Suppose you want to create mp2 audio without audio
> > ffmpeg -i <file> -vn -acodec  mp2 -f mp2 <output file>
> > If you dont want to do reencoding use "-acodec copy"
>
> Avidemux can do it also.  It's a GUI, but I think it's more
> straightforward to do it with ffmpeg, as suggested above.
>
> -Rob
>
>
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>
You could use "-ab <bitrate>" to set the audio bitrate

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