Rustling noise on phonecalls

[Paul Fertser]

Ben Wong <lists.openmoko.org at wongs.net> writes:
> Mickey: Please set the default volume back down.  I just confirmed (by
> talking to a human) that when the Speaker Volume is set to 100%, the
> other party hears an annoying echo of their own voice.

Isn't it better to have a consistent (maximum) +CLVL setting and tweak
individually your alsa-mixer settings to get optimal result? I think
it's pretty much confirmed that +CLVL=255 doesn't cause any
distortion. It's wolfson output that can drive the earpiece too strong
(on models without "accident" capacitors in the earpiece path), so
please try to lower wolfson's output volume instead of tweaking
calypso settings.

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