[alsa-devel] Unable to bypass alsa plugins and write directly to hw:0, 0

Lee Revell rlrevell at joe-job.com
Mon Sep 10 21:42:55 CEST 2007

On 9/10/07, Pharaoh . <pharaoh137 at gmail.com> wrote:
> My sound card supports hardware upsampling i.e. I do not need to use the
> software up sampling done by plugins like dmix etc. For testing hw up
> sampling, I tried to play an 8K sample rate wav file as follows, but some
> how it is being upsampled, I think I am missing something.

Your driver must not be setting the supported rates correctly.  Make
sure it contains 8K sample rate in the HW info structure.


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