full-duplex audio from Wolson codec

rukhsana ansari ruk.ansari at gmail.com
Mon Nov 19 05:29:25 CET 2007

Thanks Soeren. I'll check this out.


soeren at heisrath.org wrote:
> Hi,
> I've experimented with that one and have saved it in a state file. It
> works, but I really have no idea why, because there is no real
> documentation in the wiki and I was too lazy to read the datasheet ;)
> Anyway, here it is: http://soeren.heisrath.org/stuff/voip.state
> - Soeren
> On Sun, Nov 18, 2007 at 12:29:43PM +0000, Graeme Gregory wrote:
>> 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.
>> Graeme

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