On Sunday 21 February 2010, Jan Girlich wrote: > Hi, > > after I got my gta02 A06 a hardware buzz fix late December last year the > mic is very soft with the newest SHR unstable. So I had a look at all > the different tips around and carefully read all emails of the thread > "Experiment: better sound on remote end" and all links mentioned in > there and tried all the suggested tweaks and got rid of any static or > noise, but the mic still is so soft that I literally have to yell at my > phone from close distance in order to be hardly understood by the > callee. > > What could be the problem? Any suggestions on what I could try to set > the mic volume to a usable level? Could the problem be related to the > buzz fix?
IIRC the buzz fix reduces the sensitivity of the mic input slightly. > After fiddling around with the settings for a long time I ended up with > setting the controls in the gsmhandset.state file back to these values. > The other values are untouched. > > * control.48: 3 > * control.63: 'Mic 2' > * control.12: 7 > * control.5: 115 Controls 48 and 12 are on maximum, while control 5 has 12 steps remaining. You still have scope to make the mic a fair bit louder if you need to. 3, 5 and 121 would give the same volume level with less chance of distortion. Desc. Range Chan Setting Mic2 Capture Volume +12dB - +30dB / 6dB steps 48 0-3 Mono Sidetone Play Vol. -15dB - +6dB / 3dB steps 12 0-7 Mono Playback Volume -73dB - +6dB / 1dB steps 5 0-127 (but 0-47 are mute) Overall: -76dB - +42dB / 1dB steps => 119 steps (120 with mute) _______________________________________________ Openmoko community mailing list email@example.com http://lists.openmoko.org/mailman/listinfo/community