[alsa-devel] SIIG-USB SoundWave 7.1 Pro

[Clemens Ladisch]

John Dey wrote:
> Before I try speaker-test however,  I want to understand what is going 
> on.

Any error messages from speaker-test would help me to understand what
is going on.

> When I start jack with qjackctl, the connect tab shows payback_1 
> and playback_2.  I assume this is stereo.

Yes.

> When I select the setup tab and change the Output Channels to 4 (or 8),
> qjackctl won't start.

Is that with the USB device or with another sound card?


Regards,
Clemens