[Openal] Low gain and Clipping

[Carlos Alberto Hernández]

Thanks for your responses Dan and Chris.
I'll check all that out. Any way, I'm using WinXP and OpenAl 1.1
Greetings

> Subject: Re: [Openal] Low gain and Clipping
> To: openal at opensource.creative.com
> From: dpeacock at creativelabs.com
> Date: Mon, 6 Sep 2010 09:42:07 +0100
> 
> Hi,
> 
> You should check all your mixer settings to make sure you are recording
> *and* playing back the signal at decent levels.
> 
> With the default Listener and Source positions, OpenAL is not going to
> attenuate your samples at all (except maybe to allow for a bit of headroom
> which will be a fairly small amount).
> 
> Dan
> Creative Labs (UK) Ltd.
> 
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> 
>                                                                            
>              Chris Robinson                                                
>              <chris.kcat at gmail                                             
>              .com>                                                      To 
>              Sent by:                  openal at opensource.creative.com      
>              openal-bounces at op                                          cc 
>              ensource.creative                                             
>              .com                                                  Subject 
>                                        Re: [Openal] Low gain and Clipping  
>                                                                            
>              04/09/2010 17:26                                              
>                                                                            
>                                                                            
>                                                                            
>                                                                            
> 
> 
> 
> 
> On Friday, September 03, 2010 4:52:06 am Fruskus wrote:
> > My vocoder is working ok, but I have the next issue:
> > The gain is so low I need to turn my speakers up to the max just for
> > average volume.
> > I've tried to set source gain to 2.0 but clipping appears. It also
> happens
> > if I multiply by 1.5, or something like that, the buffer which contains
> the
> > samples. And as long as it's a "real time" application, I can't normalize
> > the samples.
> 
> Hi.
> 
> That's odd. Setting the source volume to 2.0 should still clamp it to 1.0
> because of AL_MAX_GAIN (which can't go above 1.0). If the sound is mono,
> make
> sure you set source's AL_SOURCE_RELATIVE property to true, and set the
> position to {0, 0, 0}, to prevent distance attenuation. Otherwise, make
> sure
> the sound itself isn't too quiet.
> 
> If that doesn't help, what OS and OpenAL version are you using?
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