RE: Low gain and Clipping
Carlos Alberto Hernández <[email protected]>
| Newsgroups | gmane.comp.lib.openal |
|---|---|
| Message-ID | <[email protected]> |
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: [email protected] > From: [email protected] > 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. > > Notice > The information in this message is confidential and may be legally > privileged. It is intended solely for the addressee. Access to this > message by anyone else is unauthorized. If you are not the intended > recipient, any disclosure, copying or distribution of the message, or > any action taken by you in reliance on it, is prohibited and may be > unlawful. If you have received this message in error, please delete it > and contact the sender immediately. Thank you. > > Creative Labs UK Ltd company number 2658256 registered in England and Wales > at 79 Knightsbridge, London SW1X 7RB > > > > > Chris Robinson > <chris.kcat@gmail > .com> To > Sent by: [email protected] > openal-bounces@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? > _______________________________________________ > Openal mailing list > [email protected] > http://opensource.creative.com/mailman/listinfo/openal > > ForwardSourceID:NT0008042A > > _______________________________________________ > Openal mailing list > [email protected] > http://opensource.creative.com/mailman/listinfo/openal _______________________________________________ Openal mailing list [email protected] http://opensource.creative.com/mailman/listinfo/openal