2008/8/29 Dale Maggee <[EMAIL PROTECTED]> > Daniel Selinger wrote: > > I've experimented with alsa settings for the last 3 hours and want to > > share my experience now. > > I was doing this on top of QTopia 4.3.2 and it's default > > gsmhandset.state file. > > > > The relevant mixer settings i found to, in my case completely eliminate > > the echo for the caller, are the following > > (Setting -> Old Val -> New Val): > > > > 'Speaker Playback Volume' 127 -> 100 > > 'Mono Playback Volume' 103 -> 85 > > 'Mono Sidetone Playback Volume' 2 -> 0 > > 'Bypass Playback Volume' 7 -> 5 > > 'Mic2 Capture Volume' 0 -> 3
If I understand well, these settings are to be put in gsmhandset.state? How to "reload" the file after change? > > > > > This settings removes the echo for the other person completely, at > > least for my hardware. I didn't hear any buzz either on my final > > testcalls, could be luck. > > > > The last thing remaining, is a bit of selfecho, which was also > > reduced with this settings but not away. (was as loud as the echo on the > > other phone with qtopia default gsmhandset.state). But didn't get away > > completely, but the other side doesn't hear anything of it. > > > > I also attach my gsmhandset.state for the case other distros have a > > different default file. (I was to lazy to check against .state of every > > distribution) > > > > If anyone has a configuration where he doesn't hear echo of himself > > talking at all, please please please provide me with an .state file, to > > check which controls are responsible for that! > > > > rgds Daniel > > ------------------------------------------------------------------------ > >
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