[linux-audio-user] questions regarding SBLive multichannel use

Lee Revell rlrevell at joe-job.com
Sun Jan 15 13:52:16 EST 2006

On Sat, 2006-01-14 at 11:56 -0500, Dave Phillips wrote:
> Greetings:
>   This question is directed to Lee Revell and anyone who is using or has 
> tried to use the multichannel capability for the ALSA SBLive module.
>   When I select multichannel duplex operation in QJackCtl I get 16 
> channels for input and two channels for output. Is that the default I/O 
> channel arrangement ?

You should get 16 in and 16 out.  You have to individually select the
multichannel devices for input (hw:x,2) and output (hw:x,3).

>   Regardless of framesize I get constant xruns. SR is set to 48 kHz, and 
> the period size has been left at 2. Has anyone figured a way to defeat 
> the dreaded xrun with setup ?
>   Card is an SBLive Value, system is Demudi 1.3.0rc1, ALSA version is 
> 1.0.10rc1, JACK is 0.100.0.

It's no different from diagnosing xruns on any other system...


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