From: Lee Revell <rlrevell@joe-job.com>
To: Bill Unruh <unruh@physics.ubc.ca>
Cc: alsa-user <alsa-user@lists.sourceforge.net>,
alsa-devel <alsa-devel@lists.sourceforge.net>
Subject: Re: [Alsa-user] USB card @48kHz only: at what layer to resample?
Date: Sun, 24 Sep 2006 13:07:08 -0400 [thread overview]
Message-ID: <1159117628.2899.17.camel@mindpipe> (raw)
In-Reply-To: <Pine.LNX.4.61.0609240755230.27883@info.physics.ubc.ca>
On Sun, 2006-09-24 at 08:12 -0700, Bill Unruh wrote:
> This is audio card insanity. All CDs are at 44100 but for some reason
> many card manufacturers designed their cards to run at 48000. This is
> a real problem since this requires rate conversion. Rate conversion is
> in general a very very noisy operation. In particular simple linear
> interpolation, which is quick, is also really really terrible for
> sound quality.
>
DVDs use 48000. But I seem to recall vendors shipping 48Khz-only cards
before playing DVD on a computer was common...
Lee
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next prev parent reply other threads:[~2006-09-24 17:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-24 14:27 USB card @48kHz only: at what layer to resample? enrico_groups
2006-09-24 14:32 ` Markus Rechberger
2006-09-24 15:12 ` [Alsa-user] " Bill Unruh
2006-09-24 15:28 ` Sergei Steshenko
2006-09-25 6:35 ` [Alsa-user] " Marc Brooker
2006-09-24 17:07 ` Lee Revell [this message]
2006-09-25 20:51 ` David Greaves
2006-09-25 21:05 ` [Alsa-devel] " Sergei Steshenko
-- strict thread matches above, loose matches on Subject: below --
2006-09-24 16:41 enrico_groups
2006-09-24 17:02 ` [Alsa-user] " Lee Revell
2006-09-24 21:48 enrico_groups
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