[Openal] Artifacts - Alternating from left to right channels?

Ashley McConnell ashley at siroccoracing.com
Thu Feb 19 09:04:58 PST 2009




Daniel PEACOCK wrote:
> 
> 
> Hi Ashley,
> 
> Are you setting Listener position and orientation?   One explanation would
> be if the listener orientation was being updated with bad values causing
> AL
> to think the listener is rapidly changing direction - which could cause
> all
> the sounds to pan around rapidly.
> 

Hi Daniel, 

I've tried a couple of experiments.

- I tried setting a static orientation each update, the artifacts were still
there
- I tried setting a static orientation and all the sources at 0,0,0 with
velocity 0,0,0 - artifacts gone
- I tried setting a proper orientation and all the sources at 0,0,0 with
velocity 0,0,0 - artifacts gone

This of course means it is essentially working in 2d / mono.  I am setting
the positions directly from the physics so i'm not sure what can go wrong
there.

Can you think of anything i could of messed up?

Thanks again for the help
All the best,
Ash

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