I spoke a little too soon. A real test talking to someone else still had echo. So, it's better, but could still use improvement.
Eric Eric Olson wrote: > Hi, > I'm just confirming that this helps audio on GTA01 as well. Testing > with another phone, I was able to get rid of echo almost entirely > (between our two phones) by reducing Mono Playback Volume to 72. > Hopefully, this will be loud enough to hear well in noisy places -- I'll > have to try that out. > Here are the relevant numbers I settled on for now: > (Tmobile US, other side was a cell phone, indoors -- not a noisy area) > > Mono Playback Volume 72 > Speaker Playback Volume 118 > Mic2 Capture Volume 3 > Mono Sidetone Playback Volume 7 > Bypass Playback Volume 7 > > On another note, the headset seemed to work well just now unless the > headset mic was brought near the other phone or was touching the usb > cable near the neo. I didn't test it very long -- I'm sure there are > other things that can cause interference. At least I could hear some of > the buzz on the neo side, so I can at least test it in everyday use and > tell if there's interference (instead of entirely relying on the other > person to tell me there's a problem like I did with echo). > > Eric > > > Timo Jyrinki wrote: >> 2008/7/26 Andrew Bruno <[EMAIL PROTECTED]>: >>> FWIW, I've found tweaking these specific settings in >>> /usr/share/openmoko/scenarios/gsmhandset.state effect the intensity of the >>> buzzing sound. Specifically: >>> >>> * 'Mono Playback Volume' (85) >>> * 'Mono Sidetone Playback Volume' (7) >>> * 'Mic2 Capture Volume' (3) >> (buzz) >> ... >>> * 'Speaker Playback Volume' (112) >>> * 'Bypass Playback Volume' (7) >> (echo) >> >> Thanks! With these tweaks to my current settings, I've successfully >> for the first time received a confirmation that the receiver of my >> call didn't hear an echo of her own voice. >> >> However, I did tweak "Mono Sidetone Playback Volume" from 7 to 4, >> since in my own testings with two phones I heard quite a lot of buzz >> still. That lessened it, and the receiver seemed to hear my well >> enough anyway. >> >> My paranoid / not-knowing-what-I-do procedure is to: >> 1. change /usr/share/openmoko/scenarios/gsmhandset.state >> 2. alsactl -f /usr/share/openmoko/scenarios/gsmhandset.state restore >> 3. alsactl -f /etc/asound.state store >> 4. reboot >> >> I now added a link to your post at >> http://wiki.openmoko.org/wiki/Freerunner_Hardware_Issues#Poor_Audio_Quality >> since this is the first time I really achieved some good results. >> >> -Timo >> >> _______________________________________________ >> support mailing list >> support@lists.openmoko.org >> https://lists.openmoko.org/mailman/listinfo/support >> >> > > > _______________________________________________ > support mailing list > support@lists.openmoko.org > https://lists.openmoko.org/mailman/listinfo/support > > _______________________________________________ support mailing list support@lists.openmoko.org https://lists.openmoko.org/mailman/listinfo/support
