Sound quality in calls.

Al Johnson openmoko at mazikeen.demon.co.uk
Sun Sep 14 23:40:31 CEST 2008


On Sunday 14 September 2008, Daniel Hedblom wrote:
> Hi,
>
> 2008/9/14 Nicolas Dufresne <nicolas.dufresne at gmail.com>:
> > Is the noise worst when put your finger on the audio jack ?
>
> Its worse depending on how i hold the phone but never good, just less
> or more static. The real problem is the volume level thats turned down
> so low people cant hear me at all.
>
> This looks like
>
> > the famous buzzing noize which is described here as a hardware bug mixed
> > with bad alsa settings.
>
> Is this why the mic is turned down so low?

The mic is low to reduce echo. With recent releases enabling the echo 
suppression in the GSM chipset you should be able to increase the mic level 
without getting echo. 

> > http://lists.openmoko.org/pipermail/hardware/2008-August/000415.html
> >
> >
> > Le dimanche 14 septembre 2008 à 01:42 +0200, Daniel Hedblom a écrit :
> >
> > Well, i have tried 2008.7, Qtopia, FSO milestone 2 and 3 and debian.
> >
> > The sound has been described as if i sit in a barrel. Its very low
> > with much interferance and echos. Im beginning to suspect somethings
> > wrong with the actual hardware.
> >
> > //danielh
> >
> > 2008/9/13 Al Johnson <openmokomazikeen.demon.co.uk>:
> >> On Saturday 13 September 2008, Daniel Hedblom wrote:
> >>> I have tried mucking about with alsa levels to get better sound in
> >>> various dists for the Freerunner. I havent got good outgoing sound in
> >>> any distribution, everyone i talk to complains.
> >>>
> >>> Is there any way to get decent outgoing sound thats described
> >>> somewhere a bit in detail? There seems to be so many different
> >>> answers, im getting a bit confused.
> >>
> >> You've supplied too few details. Which images from which dates have you
> >> tried,
> >> and what exactly is wrong with the audio?



More information about the support mailing list