Stopping playthru

Daan Vreeken [PA4DAN] Danovitsch at
Sun May 25 03:46:21 PDT 2003

On Sunday 25 May 2003 05:24, Carl Makin wrote:
> I'm trying to do some ham radio digital modes with a second soundcard
> on my celeron 600 under 4.8, and for the most part they are working
> really well.  Except for one problem.  It seems sound in via the line
> in socket is being played through the line out socket, ie it looks like
> playthru is enabled.  This is a royal PITA as it interferes with both
> the transmitting and receiving signals.
> Can anyone give me a clue on how to disable this please?
Have you tried to set the line-volume to 0?
You could do this with : mixer line 0


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