Am Mit, 2002-10-02 um 15.11 schrieb Takashi Iwai:

> 
> can you check whether the duplex works basically on this chip?
> for example, run aplay and arecord in parallel. 
> 
 I've opened two terminals, typed aplay in the first and then arecord in the second.
The standalone aplay started and nothing happened. Adding arecord in the
other terminal, lots of signs appeared and the pc-speaker began to beep
like machine-gun fire. This also happens when I start arecord without
aplay.
When I place the microphone to an isolated place this beeping stops. It
also stops after disconnecting the microphone from the soundcard.

Matthias



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