[alsa-devel] ice1712 and the delta 1010

Clemens Ladisch clemens at ladisch.de
Thu Aug 26 15:02:04 CEST 2010

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.


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