[asterisk-dev] Volume on module format_mp3.so

[Tim Ringenbach]

I've experienced this as well.
What I had to do was patch format_mp3. There's a #define I had to change.

At first I thought it was the GAIN but it turned out that #define wasn't
actually used.

I think it was OUTSCALE. I'll try to verify that.

On Mon, May 4, 2009 at 9:46 AM, Jose Enes Mateus <jemateus at yahoo.com.br>wrote:

>
> No. If I convert the mp3 file to wav the volume when played is increased.
>
>
> --- Em *seg, 4/5/09, Steven S. Critchfield <critch at basesys.com>* escreveu:
>
>
> De: Steven S. Critchfield <critch at basesys.com>
> Assunto: Re: [asterisk-dev] Volume on module format_mp3.so
> Para: "Asterisk Developers Mailing List" <asterisk-dev at lists.digium.com>
> Data: Segunda-feira, 4 de Maio de 2009, 11:10
>
>
> Is the volume still lower when you convert the mp3 to wav and play the
> resulting wav file?
>
> ----- "Jose Enes Mateus" <jemateus at yahoo.com.br<http://mc/compose?to=jemateus@yahoo.com.br>>
> wrote:
>
> > The problem is that the sound volume of both my files (wav and mp3)
> > are equals (is already normalized) but when played by asterisk the
> > volume of the mp3 file is played lower than wav file.
> > The only diference that I watched is that mp3 file is interpreted by
> > addon "format_mp3.so".
> >
> >
> > --- Em seg, 4/5/09, Steven S. Critchfield <critch at basesys.com<http://mc/compose?to=critch@basesys.com>
> >
> > escreveu:
> >
> > De: Steven S. Critchfield <critch at basesys.com<http://mc/compose?to=critch@basesys.com>
> >
> > Assunto: Re: [asterisk-dev] Volume on module format_mp3.so
> > Para: "Asterisk Developers Mailing List"
> > <asterisk-dev at lists.digium.com<http://mc/compose?to=asterisk-dev@lists.digium.com>
> >
> > Data: Segunda-feira, 4 de Maio de 2009, 9:51
> >
> > ----- "Jose Enes Mateus" <jemateus at yahoo.com.br<http://mc/compose?to=jemateus@yahoo.com.br>>
> wrote:
> > > Hi,
> > >
> > > I want to increase the volume played by the format_mp3 module. How
> > can
> > > I do that?
> > > I'm using the asterisk-addons 1.4.7 and files played by format_mp3
> > is
> > > a lower audio then wav files.
> >
> > Nothing in the format portions of asterisk should be doing anything
> > to
> > volume. It would be fairly inappropriate for them to change the
> > volume.
> >
> > What you may need to do is use a program called normalize to bring
> > the
> > volume of your mp3s up to the volume you are expecting, and then put
> > your modified files in the asterisk sounds dir. This will benefit
> > from
> > only modifying the volume once, and not on every playback. If you get
> > in
> > the habit of checking your files with normalize before deploying
> > them,
> > you will have a consistent volume level.
> >
> > --
> > Steven Critchfield critch at basesys.com<http://mc/compose?to=critch@basesys.com>
> >
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> --
> Steven Critchfield critch at basesys.com<http://mc/compose?to=critch@basesys.com>
>
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