Daniel:
I have similar problems with the CM6631, the Tenor 8802 and the Audio
Widget.
In both examples of the CM6631 I have the same bad sounds happen with sample
rate changes that go away with a pause-play cycle. The Tenor is more
problematic and really only functions at 44.1. At other sample rates with
several different Tenor firmware builds it just stutters badly. I'm told its
rate feedback works in 10Hz steps. For the Audio Widget Alex Lee came up
with a workaround patch for the 44-48 to 88-96 sample rate switch where the
rate feedback seems to go awry.
What error messages or logs would you like to see?
I have been trying to borrow a USB2 sniffer but with no luck. Even the rent
is too steep for me. I would really like to get this resolved. I have access
to pretty much all the current UAC2 chip options (don't have the Via but no
one is really using it yet). I can even arrange remote access to a machine
with them attached if that helps.
Demian
-----Original Message-----
From: Daniel Mack [mailto:zonque@xxxxxxxxx]
Sent: Monday, June 11, 2012 12:00 AM
To: Andrew Dunn
Cc: alsa-user@xxxxxxxxxxxxxxxxxxxxx; musicpd-dev-team@xxxxxxxxxxxxxxxxxxxxx;
Clemens Ladisch
Subject: Re: [Musicpd-dev-team] Schiit Bifrost, usb, C-Media 6631, ALSA/MPD
On 08.06.2012 20:40, Andrew Dunn wrote:
> Apologies, I had returned that Bifrost and been using another device
> based on the XMOS chip (Worked perfectly). I now have a new Bifrost
> and I'm running Fedora 17 with ALSA 1.0.25
Thanks for the dump. Are there any suspicious entries written to
/var/log/messages when you plug in the device and start streaming?
Daniel
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