[asterisk-dev] Volume on module format_mp3.so

Tue May 5 08:13:09 CDT 2009

Thanks TIM,

Now, the sound is perfect.

--- Em ter, 5/5/09, Tim Ringenbach <tim.ringenbach at gmail.com> escreveu:

De: Tim Ringenbach <tim.ringenbach at gmail.com>
Assunto: Re: [asterisk-dev] Volume on module format_mp3.so
Para: "Asterisk Developers Mailing List" <asterisk-dev at lists.digium.com>
Data: Terça-feira, 5 de Maio de 2009, 0:55

Yeah, I'm pretty sure it was outscale.

There's even a comment that says:
 /* quiet 4096 med 8192 */

On Mon, May 4, 2009 at 10:49 PM, Tim Ringenbach <tim.ringenbach at gmail.com> wrote:

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> 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>
> 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, 9:51
> 
> -----
 "Jose Enes Mateus" <jemateus at 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

> 
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-- 
Steven Critchfield critch at basesys.com

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