Re: USB quattro input quality

[James Courtier-Dutton <James@superbug.demon.co.uk>]

Patrick Shirkey wrote:
> Tim Blechmann wrote:
> 
>>> Just wondering if anyone has found time to look into fixing the input 
>>> quality of the usb quattro?
>>>
>>> I'm not sure it has ever functioned perfectly for input quality.
>>>
>>> Currently I get a better sound quality from my $10 cmipci than my $400
>>>
>>> usb-quattro ;-P
>>>
>>> There is a constant crackle in the audio stream.
>>
>>
>> there is a thread on this on the alsa bugtracking system ... there is a
>> patch available, but it's not fully working for me...
>> using kernel 2.6.6rc2 with the patch to the usb subsystem to allow the
>> using of the quattro, i'll only have to restart alsa about once or
>> twice. (probably i still had problems with the alsa patch because of
>> kernel 2.6.6)
>>
> 
> 
> Thanks for the tip.
> 
> Just to confirm what I read in mantis. The quattro can only record in 
> big endian mode and playback in little endian?
> 
> How does this affect jackd?
> 
> AFAIK it's not possible to have dual modes while using jack...
> 
> 

kernel 2.6.6rc2 is very broken with respect to USB. Use 2.6.6rc3 or above.




-------------------------------------------------------
This SF.Net email is sponsored by Sleepycat Software
Learn developer strategies Cisco, Motorola, Ericsson & Lucent use to deliver
higher performing products faster, at low TCO.
http://www.sleepycat.com/telcomwpreg.php?From=osdnemail3