[ltp] Full-duplex sound on A20p / A20m

Mike Johnson linux-thinkpad@www.bm-soft.com
13 Feb 2002 16:13:06 +0100


On Wed, 2002-02-13 at 11:47, Marco Rovere wrote:
> On 12 Feb 2002, Mike Johnson wrote:
> 
> > On Tue, 2002-02-12 at 15:46, Darwin Marcus Johnson wrote:
> > > Mike Johnson wrote:
> > >
> > > >On Tue, 2002-02-12 at 11:40, Marco Rovere wrote:
> > > >
> > > >>Hi Mike, I'm experiencing exactly the same problem on my A20m.
> > > >>
> > > Are you running ALSA or the Kernel(OSS/Free) Drivers?
> > >  OSS/Free drivers are known to have issues with full duplex audio.
> >
> > I have tried both. The ALSA drivers improve the received
> > sound by about 5%.
> >
> > Mike.
> 
> Hi Mike, just this night I managed to make things work.
> I connect my 2 PC (laptop A20m and Desktop) both running linux and I used
> gphone and everything worked great after a few aumix fine tuning of Mic
> and Speaker.
> 
> Dunno what's wrong with ohphone which still doesn't work.
> I attach again the modules loaded at boot time for my soundcard:
> 
> Module                  Size  Used by
> cs46xx                 56192   2
> soundcore               3984   3  [cs46xx]
> ac97_codec              9008   0  [cs46xx]
> 
> 
> This is /etc/modules.conf
> 
> alias sound-slot-0 cs46xx
> 
> That's it.
> 
> When and if I'll be able to use ohphone I'll let you know.
> 
> Just a stupid check: try to use gphone and call yourself and see what
> happens.
> 

Hmmm. I'm trying with gphone but I get a 'Sound card refused to open
microphone" error from it as soon as I connect. How did you set up
your sound to that gphone works?

Regards,

Mike.



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