[sdiy] Chromatic Tuner Design

Richie Burnett rburnett at richieburnett.co.uk
Thu Feb 7 15:19:26 CET 2019

> I have one of these (tc electronic polytune I think it’s called).... 
> ...It’s a great little tool in my opinion.

Interesting.  I wonder how it manages to separate the signals for the low-E 
and high-E strings, given that many of the harmonics from the low-E string 
will coincide with the harmonic series of the high-E when the strings are 
correctly tuned.


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