[Openal] Question about Motu 828mkIII hardware

[Serge Lages]

On Thu, Apr 2, 2009 at 5:28 PM, Jason Daly <jdaly at ist.ucf.edu> wrote:

> Serge Lages wrote:
>
>> Hi Dan and Jason,
>>
>> Thanks for your replies. I am a real newbie about sound development so
>> please excuse me if my questions are a little dumb... :/
>>
>> If I understand it well, having a single 12.2 system managed with 2 cards
>> will be difficult (but possible).
>>
>
> Just to clarify, you'll have to edit the OpenAL implementation (the
> library) itself to do this.  Since you're a self-described newbie, it might
> not be the best solution for you (no offense intended ;-) ).
>

Don't worry, there's no offense here, I am a real newbie ! :)


>
> If you do want to give it a try, Chris Robinson's OpenAL-Soft
> implementation would be the best starting point.  You can get it at:
>
>  http://kcat.strangesoft.net/openal.html
>
>
>  And what about having a single application managing two 6.1 systems ? Or
>> even two applications, one for each card, then I can make them communicate
>> to know where to play the sounds.
>>
>
> You can certainly open two devices and contexts in OpenAL.  The problem is
> that the implementation will assume a typical 6.1 speaker layout (a la Dolby
> Surround EX) for both contexts, and there is no way (that I know of) to tell
> it where your speakers are.  There will always be sound coming from at least
> one speaker, even if all of your speakers are on the left or right side of
> the room.
>
> You're not the first person with a non-standard hardware configuration like
> this, but unfortunately, I don't remember anyone contributing an
> implementation for your kind of use case, even though the OpenAL API would
> be the perfect interface for it.
>
>
And is it possible to select independently which speaker to send the sound
on ? It would be a good starting point for me, even if the best would be a
real spacialization.

-- 
Serge Lages
http://www.tharsis-software.com
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