[Openal] Question about Motu 828mkIII hardware

[Daniel PEACOCK]

Hi Serge,

Sorry to be misleading .. I meant that if you going the "roll your own
solution" route,  you will need to know how you have laid out your speakers
so that your algorithm knows which speaker(s) to send some / all of an
input signal to given an x,y,z co-ordinate.

Dan
Creative Labs (UK) Ltd.

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             Serge Lages                                                   
             <serge.lages at gmai                                             
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                                       Re: [Openal] Question about Motu    
                                       828mkIII hardware                   
             04/02/2009 05:09                                              
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On Thu, Apr 2, 2009 at 5:40 PM, Daniel PEACOCK <dpeacock at creativelabs.com>
wrote:




  Which OS are you using?  What ever it is, as long as it lets you
  enumerate
  (discover) each of the soundcards and allows you send audio to it, it
  should be possible to send both soundcards an audio stream from the same
  application.   On Windows this is definitely possible.

  (One of) the tricky part(s) is going to be getting the audio to start
  playing at the same time (or close enough to the same time) on the 2
  soundcards so that you don't get some noticeable delays as a sound pans
  from a speaker controlled by soundcard A to a speaker controlled by
  soundcard B.

  Once you have defined a speaker layout and know which channels of which
  soundcard refer to each location you can create your 12.2 mix and send
  each
  6.1part to the appropriate soundcard.


Hum... Jason said that, I quote :

"the implementation will assume a typical 6.1 speaker layout (a la Dolby
Surround EX) for both contexts"

But from your statement, it seems possible (and even easy) to define a
custom layout for my speakers, or am I wrong ?

For more details :
- the OS, the best would be to have a Linux/Windows/MacOS X compatibility,
but I think that the sound card is limited to Windows and Mac OS.
- the layout for my speakers : they are all attached to the roof of a room,
and I need to spacialize the sound depending on actions occuring in my room
(for example, if I want people to come to the left part of my room, sounds
from this part will call them).

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