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Multiple CoreAudio Interfaces of the same type on one machine.
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Multiple CoreAudio Interfaces of the same type on one machine.


  • Subject: Multiple CoreAudio Interfaces of the same type on one machine.
  • From: Mark Gilbert <email@hidden>
  • Date: Tue, 21 Sep 2004 12:47:02 +0100

Folks.

Does anyone have experience of using multiple CoreAudio devices of the same type.

I have a requirement for 3 copies of my app (running at the same time) to talk to 3 different multichannel interfaces. I am able to do this with 3 different coreaudio interfaces successfully.

However, I only have 1 of each type, so I am not able to test what happens if my 3 interfaces are the same type.

I suspect that some vendors will have specific behavior, and maybe the extra interfaces will be ignored past the first one found.

Can anyone advise on the behavior of specific devices when multiples of the same type are connected. I need them individually addressable, and preferably easy to identify which is which from a list of connected inputs/outputs.

Any advice on this would be appreciated.

Cheers

Mark Gilbert.
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