From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Courtier-Dutton Subject: Re: USB quattro input quality Date: Sat, 08 May 2004 12:58:31 +0000 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <409CD977.9000300@superbug.demon.co.uk> References: <409B0D89.6090503@boosthardware.com> <20040507140321.28777db8@laptop> <409C687E.8010702@boosthardware.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <409C687E.8010702@boosthardware.com> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Patrick Shirkey Cc: Tim Blechmann , alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org 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