If the device doesn't have controls to turn channels on or off, then
you can't - typically devices won't have these controls on a channel
basis, but will provide something like the MOTU interfaces do, where
you turn off bundles of channels (for instance, turn on/off the 8
channel digital I/Os)
Apps can (and do, particularly if they are using Apple's device i/o
units) turn on/off streams as their requirements for processing
channels are determined - this becomes an efficiency question for
each app's workload.
On 30/06/2006, at 10:18 AM, Mike Silva wrote:
I am using this Firewire-based audio processor.
By default it seems to be combining all 8 audio inputs into a
single audio
input device in Core Audio.
Sure - that is expected..
HALLAB says that the inputs are not controllable (i.e. No mute or
volume
control).
ok.
Is there anyway to 'turn off' all the inputs except for one? I
tried to
change the preferred stereo pairs on the input, but that had no
effect.
once again... why? What is it that you are trying to achieve?
Bill
Apologies if this is obvious, I'm still learning...
Mike
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