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From: Clemens Ladisch <clemens@ladisch.de>
To: David Santamauro <david.santamauro@gmail.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: ice1712 and the delta 1010
Date: Thu, 26 Aug 2010 15:02:04 +0200	[thread overview]
Message-ID: <4C7665CC.5080302@ladisch.de> (raw)
In-Reply-To: <20100826065854.519ee1d3@debussy>

David Santamauro wrote:
> Since upgrading my audio PC to 64-bit,

Hardware or software upgrade?

> the delta 1010 analog inputs emit a constant 'hiss' -36 -30dB. Analog
> outputs and digital ins and outs are fine. The delta 1010 from
> a hardware perspective is fine as I tested it on the same pc hardware
> under windows7 64-bit.

In theory, this sounds like a driver bug.

> So far, I have tested it in a 32-bit fedora, 32-bit windows vista and
> 64-bit windows7 all successfully. This problem arises only in 64-bit
> fedora.

Does the 32-bit Linux use the same driver version?
If yes, then it's possible that the 32-bit and 64-bit kernels configure
the PC differently; for example, there might be noise on the power line
due to a different kind of power management.


Regards,
Clemens

  reply	other threads:[~2010-08-26 13:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-26 10:58 ice1712 and the delta 1010 David Santamauro
2010-08-26 13:02 ` Clemens Ladisch [this message]
2010-08-26 13:27   ` David Santamauro
2010-08-26 14:55     ` Clemens Ladisch
2010-08-26 16:22       ` David Santamauro
2010-08-27  6:28         ` Clemens Ladisch

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