[LAU] setBfree: Gain sweller from lin to log characteristic

Fons Adriaensen fons at linuxaudio.org
Tue Dec 14 23:13:41 CET 2021

On Tue, Dec 14, 2021 at 11:02:27PM +0100, Gerhard Zintel wrote:

> Does anyone of you know if the original swell pedal of the B3 is changing the
> volume in a linear or logarithmic way? Maybe if the original B3 uses a linear
> characteristic we should not change setBfree's code.

It's very probably neither lin nor log, but whatever the hardware
(i.e. the potentiometer in the pedal) provided. Maybe tuned a bit
using one or two fixed resistors) to 'feel right'.


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