[Openal] Re: 3d VR setup

[Chris Robinson]

On Saturday 27 October 2007 06:01:28 pm Brandon Thomas wrote:
> Hey
>
> I think I have a solution, and someone please correct me if this is
> too much of a hack or let me know why this is
>
> I modified my ~/.openalrc file:
>
> (define speaker-num 4)
> (define devices '(alsa))
> (define alsa-device "surround51")
>
> before I had speaker-num set to 6, which seemed to make sense,
> but apparently it likes 4 as a better number
>
> Once I made this change, it worked?
> Can any one tell me why 4 works and not 6?
> also anyone have any other advice?

By default, OpenAL will use 2-channel output. It does not currently support 
6-channel output (if it did, it looks like it'd want lr-front, lr-center, and 
lr-back pairs). 4-channel output is supported fine, and that's the correct 
way to set it. You might want to use the "surround40" device though, 
since "surround51" is a 6-channel device.