Re: Configuring ALSA and SCHIIT BIfrost for "bit perfect"

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Daniel and list;

A question and a comment at the end...

On Tue, Sep 11, 2012 at 11:54 PM, Daniel Mack <zonque@xxxxxxxxx> wrote:
> On 12.09.2012 02:37, chris hermansen wrote:
>> The build and install appeared to work just fine, though it seems one
...
>
> Yes, it seems the feedback format detector still assumes wrong things.
>
> What you could try is to make the driver ignore more of these packets by
> changing the value in sound/usb/quirks.c (in the line that was added by
> the path). Then rebuild, reinstall, reboot and test. Try higher values,
> like ep->skip_packets = 50 or so maybe.
>
> If that doesn't help, I need to come up with another idea.

Question: I am assuming I can make that change and redo the last make line
(ie not all the configuration, etc).  Is that a safe assumption?

Comment: In case there was something else weird going on with pulse audio,
I disabled its auto respawning feature by putting the following

autospawn = no

in ~/.pulse/client.conf, killed the pulse audio daemons, checked that they
were really gone, and tried with Quod Libet instead of Guayadeque using
instructions from

http://www.head-fi.org/t/561961/bit-perfect-audio-from-linux

to wit, I set the output pipeline to

alsasink device=hw:1,0

consistent and incorrect behaviour there; first song played of a certain
bit rate / bit depth is garbled; second is clear.

Off to try Daniel's suggested change according to my interpretation of
not running the either configuration process.
-- 
Chris Hermansen · clhermansen@xxxxxxxxx

C'est ma façon de parler.

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