Florian Hanisch wrote:
> I have one more question concerning the usb-audio-2.0 standard:
> How many in/out channels am I able to run (on linux) ?

All of them.

> I am asking this question because JACK seems to have a problem with the 
> in/out channels:
> 02:12:01.744 D-BUS: SetParameterValue('driver:inchannels', '1'): Parameter 
> value type mismatch: was expecting 'i', got 'u'. 
> (org.jackaudio.Error.InvalidArgs)

This has nothing to do with USB.  It appears some software uses a wrong
interface when trying to configure Jack over D-Bus.  Ask the Jack folks
what's going on there.


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