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From: Clemens Ladisch <clemens@ladisch.de>
To: Felix Homann <linuxaudio@showlabor.de>
Cc: tiwai@suse.de, alsa-devel@alsa-project.org
Subject: Re: Need expert's advice - Fast Track Ultra (8R) dropping samples
Date: Thu, 07 Oct 2010 08:37:22 +0200	[thread overview]
Message-ID: <4CAD6AA2.4050205@ladisch.de> (raw)
In-Reply-To: <4CACA471.2000504@showlabor.de>

Felix Homann wrote:
> Am 06.10.2010 16:38, schrieb Clemens Ladisch:
> > this device does not use frequency feedback.
> >
> > What happens when you are recording something and then try to play
> > something else with a different sample rate?
> 
> When I start recording at 44.1 kHz while playing a wav at 48 kHz the
> playback gets very distorted, sounds like lots of missing samples.

So this device expects the computer to take the sample clock from the
capture data.   This is just like the UA-101; it should be possible to
write a similar driver (with opportunities for code sharing, and AFAIK
UAC 2 requires such a feedback mode, too).


Regards,
Clemens

  reply	other threads:[~2010-10-07  6:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-25  9:57 Need expert's advice - Fast Track Ultra (8R) dropping samples Felix Homann
2010-10-01 11:00 ` Felix Homann
2010-10-01 16:29   ` Clemens Ladisch
2010-10-03 11:50     ` Felix Homann
2010-10-03 12:00       ` Daniel Mack
2010-10-05  7:21       ` Clemens Ladisch
2010-10-06 13:57         ` Felix Homann
2010-10-06 14:38           ` Clemens Ladisch
2010-10-06 16:31             ` Felix Homann
2010-10-07  6:37               ` Clemens Ladisch [this message]
2010-10-07  8:10                 ` Daniel Mack
2010-10-07  8:50                   ` Felix Homann
2010-10-07 11:35                   ` Felix Homann
2010-10-08  6:26                     ` Clemens Ladisch
2010-10-12  7:18                       ` Daniel Mack
2010-10-12  8:18                         ` Felix Homann
2010-10-12 10:26                           ` Daniel Mack
2010-10-13  7:47                             ` Felix Homann
2010-10-13 12:48                               ` Daniel Mack
2010-10-15  7:23                             ` Clemens Ladisch
2010-10-15  8:59                               ` Daniel Mack
2010-10-15 11:08                                 ` Felix Homann
2010-10-15 14:21                                 ` Clemens Ladisch
2010-10-03 10:02 ` Daniel Mack

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