full-duplex audio from Wolson codec

Graeme Gregory graeme at openmoko.org
Sun Nov 18 13:29:43 CET 2007

On Thu, 15 Nov 2007 14:11:26 +0530
rukhsana ansari <ruk.ansari at gmail.com> wrote:

> Hi,
> http://wiki.openmoko.org/wiki/Neo1973_Audio_Subsystem#Call_recording
> lists the driver status as unknown for recording/playback.
> I've followed steps at 
> http://wiki.openmoko.org/wiki/User:Historybuff/notes to independently 
> restore the captureheadset profile and record sound  followed by 
> restoring stereosound profile for playback.
> However, I was looking into the possibility of testing a VOIP 
> application using the usb networking. Based on the above information
> it looks as if it is not possible to have full-duplex audio for VOIP.
> Can someone confirm whether this in indeed the case.
> Also, the default VOIP application that  comes with Trolltech's
> QPE4.3 image for the Neo does not have sound working.

Full Duplex record/playback from either handset or wired headset on
GTA01 is possible. It just needs the correct state file setup. I shall
have a look at this tomorrow.


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