[Openal] choppy sound :(

Daniel PEACOCK dpeacock at creativelabs.com
Wed Jul 18 10:05:59 PDT 2007





Hi,

Can you please try installing the new OpenAL run-times available from
http://developer.creative.com/landing.asp?cat=1&sbcat=31&top=38 and seeing
if this improves the situation?

Thanks,

Dan
Creative Labs, Inc.

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             "M. Kalthoff"                                                 
             <m.kalt at web.de>                                               
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                                                                   Subject 
                                       [Openal] choppy sound :(            
             07/17/2007 05:14                                              
             AM                                                            
                                                                           
                                                                           
                                                                           
                                                                           




oooops,
i forgot to change the mails-subject.
sorry.
and sorry for this mail, explaining the obvious.

matze



M. Kalthoff schrieb:
> Hi everyone,
>
> i've got a little problem, and hope someone can help.
> the sound is kind of chopped if i quickly move the listener or source.
> i'm updating as suggested in the effects extension guide.pdf[p. 45]
> at approximately 30 times per second.
> (the problem is the same but a little less noticeable if i remove the
> brake and update at >100 times per second)
>
> current hardware setup is:
>     Pentium 4 2,4GHz
>     512MB
>
>     [0] "Generic Software" (default)
>         Effect Extension Supported: YES
>         Supported Specification Version: 1.1
>
>         Max Sources: 256
>         Max Effect Slots: 128
>         Max Aux Effect Slots: 1
>         Max Aux Effect Slot Sends: 1
>         [...]
>
>
> current test-scene setup is:
>     - 1 sound source (a looping sine wave sample)
>       at [0, 0, 0]
>       slowly rotating (10s per 360°)
>       inner cone = 45°
>       outer cone = 180°
>
> everything sounds fine, is directional and calculated correctly,
> i guess.
> if i now quickly move the listener(which is attached to the camera),
> the sound gets choppy as if i wouldn't update the listeners position
> as often as needed.
>
> would be nice if someone could give me a hint for fixing this.
> thanks.
>
> m. kalthoff


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