[Gta04-owner] Sound devices in the GTA04

NeilBrown neilb at suse.de
Mon Jan 7 03:29:22 CET 2013

On Wed, 02 Jan 2013 19:28:22 +0000 Neil Jerram <neil at ossau.homelinux.net>

> NeilBrown <neilb at suse.de> writes:
> > "Phone Headset" seems nearly identical to "PhoneEarpiece".  The only
> > significant difference is that "Earpiece Playback Volume" is '1'
> > instead of '3'.
> [...]
> Hi Neil,
> Many thanks for all your advice and answers.  Amusingly I've now learned
> enough to discover that my headset is incorrectly wired - clearly I
> wasn't paying enough attention when that conversation was going on
> recently - but I think also enough to prepare a correct set of A3 state
> files.
> Out of interest, what do you do for in-call audio?  (I hope I'm correct
> in thinking that you have an A3.)

Yes I have an A4.  I only use mainmic/earpiece and I use Radek's
gsm-voice-routing program.  The echo cancellation isn't perfect, but it is


>    My current summary is:
> - Using Pulseaudio successfully for the software routing, but...
> - With Earpiece/Speaker there's echo (for the other person), and I
>   haven't had success yet with any echo cancellation software.
> - With Headset I'm now blocked until I can find a correctly wired one.
>   (I have a 2.5mm/3.5mm adapter coming in the post.)
> - With Bluetooth I haven't tried yet, but I think I have a Bluetooth
>   headset lying around somewhere, so hope to try that shortly.
> Regards,
>         Neil

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