[linux-audio-user] maudio quattro & jack

[Patrick Shirkey]

Tim Blechmann wrote:
>>
> i've not been able to really use the alsa layer ... i always sticked
> to oss the only way for getting 4 channels out of pd
> ... i suppose with an old version of alsa (0.9.2 ???) i could get a 4
> channel sound out of pd (0.36 ???), but i never tried jack that time ...
> 
> arecord / aplay are probably working since they are the reference
> implementations of alsa ... but i'd like to use them with jack, not
> because of recording but live-sampling /-processing...
> 

Yes it would be nice to get jack working correctly with the quattro.

For reference I successfully recorded for a few hours using 4 channels 
of the quattro over nfs and had perfect sound quality and no dropouts 
with arecord.

One thing is that many people have reported getting very good results with

jackd -d alsa -d -r 48000 -p 480 -n 3 -d quattro1/2


I think your seeing strange results in non realtime mode for other 
reasons. Do you use jackstart as a normal user?

I always run my sound apps as root on this machine so haven't looked 
into non realtime mode.

Have you also tried using the only playback and only record options?

-- 
Patrick Shirkey - Boost Hardware Ltd.
Http://www.boosthardware.com
Http://www.djcj.org/LAU/guide/ - The Linux Audio Users guide
Http://www.djcj.org/gigs/ - Gigs guide Korea
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