Re: [LAU] Solution for jackd2 and dbus without X session

From: Jeremy Jongepier <jeremy@email-addr-hidden>
Date: Thu Oct 25 2012 - 13:59:45 EEST

On 10/25/2012 11:53 AM, Jannis Achstetter wrote:
> 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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Received on Thu Oct 25 16:15:03 2012

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