Background amplification and voice blur on phone call

Paul Fertser fercerpav at
Thu Jul 9 18:27:40 CEST 2009

David Garabana Barro <david at> writes:
>> > [b] signal is super loud, which is odd because i would think it would
>> > be very quiet.
>> That's the difference you see between extra-cap units and
>> not. Supposedly you have a capless unit and is using too much
>> amplification for the earpiece in the codec. (FYI nobody knows for
>> sure and there's no way to know which units have those stupid caps and
>> which do not. Looks like all A7 units have them, as probably most of A5;
>> my A6 doesn't)
> Please, could you explain or provide a link about the difference between 
> a "cap" and a "capless" Neo?
> I think it's the first time I hear about it...

Nobody can explain that :)

Basically it's assumed that some units have 1uF caps in place of
R3004/R3005 (which should be 0R).

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