linuxaudio.org

On 10/25/2012 11:53 AM, Jannis Achstetter wrote:

quoted text
> On my Raspberry-Pi I use the dummy-driver and then alsa_out to get the

> sound to the onboard sound chip (as posted here:

> http://www.raspberrypi.org/phpBB3/viewtopic.php?p=196500#p196500  and

> here:http://www.raspberrypi.org/phpBB3/viewtopic.php?p=197194#p197194  )

>

> However, I can't get my Edirol/Cakewalk UA-101 to work with the Pi but

> I'm sure it's not related to power. I guess it's the Pi's USB host-chip

> or its driver which seems to have problem with other devices (mostly DVB

> stuff), too. Isochronous transfers (as used by most "professional" USB

> audio interfaces) seem to be pretty hard for the Pi:(

>

> 	Jannis

Hi Jannis,
Yes I've seen those posts and indeed, it seems the Pi has a hard time

doing isochronous stuff. When I use the -P or -C option of the ALSA

driver JACK starts without complaining.
Jeremy

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