Comparing A5 and A7 sound settings

Łukasz Pankowski lukpank at
Sun Mar 14 00:51:32 CET 2010

Timo Jyrinki <timo.jyrinki at> writes:

> Hi,
> I just bought myself A7+ FreeRunner since my A5 started to have its
> USB port breaking, buzz fix faltering, display problematic, plastic
> case pins broken etc. (1,5+ years of very heavy use:)). I just noticed
> that A7 requires much lower microphone settings than A5, something
> known but often forgot.
> I settled on the ones below for the A7. Having the Mono higher, I
> heard buzzing but with these settings it's gone and I can hear my
> voice in the other phone clearly/loudly still. I'm using one spare LG
> phone I have for the other end.
> Mic Sidetone Mux: 'Mic 2' = the correct setting, please try to not
> spread misinformation that it'd be wrong simply because it happens to
> also increase the volume and therefore buzzing as well if other
> settings are high
> Mic 2: '3' (= 0dB)
> Mono Sidetone: '5' (= 0dB,)
> Mono Playback '100 (= -21dB) (for buzz-fixed A5 I had this around 115)
> Just my two cents. I think at this point distributions' defaults
> should be towards A7 users, since all new users are anyway A7 users
> and A5/A6 owners by now are surely aware of the ALSA setting
> problematics.


If it really depends on the Ax model I think they should be somehow
distinguished by /proc/cpuinfo so if different ALSA settings are needed,
they should be selected automatically based on that.


> -Timo

More information about the community mailing list