Re: Metallic recording in cs46xx on Thinkpad T22

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> Each time you start to record you have a
> 10% chance of having the recording completely
> distorted and having a metallic sound.

I know that sound.  And it is quite ugly.  On my snd-hda-intel board(nVidia MCP61), I have to increase the number of periods to overcome this sound.  default of 2 increased to 3 and all was fine, in jackd -n 3.  For arecord you might look at different than default buffer/period sizes.  It's basically a latency issue.

Other considerations are to give the audio group realtime permissions so things like ethernet traffic doesn't cause clicks and other distortions in the sound.  /etc/security/limits.conf

HTH,
James

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