Re: Metallic recording in cs46xx on Thinkpad T22

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Yes, I heard your sample and it is quite similar.

I think our best shot in the short term is to find how to reset the sound chip. I noticed that after loading the kernel modules the first run is allways ok. So if you could reset the chip just before it would do the job.

I've found a subroutine in the cs46xx driver code that is supposed to reset the chip - but I don't know how to compile a standalone version of it.

Anyone knows how?

On Thu, Mar 13, 2008 at 2:27 AM, Rene Herman <rene.herman@xxxxxxxxxxxx> wrote:
On 12-03-08 18:02, James Courtier-Dutton wrote:

> Can you post a .wav recording of the sound to a url somewhere.
> We then might be able to tell what is wrong.

Did you see my post of such?
> My first idea is that the sound card is feeding back input into
> playback and then back into input, thus causing the "metallic" sound.
> Hopefully, this is just an alsamixer set wrong problem.

Doubt it. Happens just once in a while (but repeatably, 10+ % of the time).

Rene.


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