Re: Occasional metallic sound when recording (cs46xx)

[Takashi Iwai <tiwai@suse.de>]

At Thu, 06 Nov 2003 23:11:21 +0100,
Benny Sjostrand wrote:
> 
> >
> >
> >then it sounds like the specific problem for cs46xx driver.
> >i guess some drift occured during the sample rate conversion or so.
> >please check whether the same symptom happens on 48000Hz ?
> >
> >  
> >
> Sorry that I've been lost from the list from a long time ...
> 
> Your right this sympton may be specific for the cs46xx, I've
> been experiencing this sympton with JACK and Ardour several
> times.
> 
> The sample rate should not matter.
> My guess is that internal buffers occasionally get unsynchronized inside 
> the DSP,  
> may happen on playback too.
> 
> The only I've found to get around the problem when it happens is to
> restart the playback or capturing process.

does changing ADC volume (or so, sorry, i forgot the detail) fix?
IIRC, one post mentioned that.

anyway, it'd be helpful for debugging if someone can reproduce this
certainly under a fixed condition...


Takashi


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