[sdiy] Question for those with musical ears

Richie Burnett rburnett at richieburnett.co.uk
Fri Apr 16 10:15:45 CEST 2021

I think that is an important point Gordon.  The "Trill" that results from 
sustained jitter between two pitch quantisation levels in the presence of 
noise is more noticeable than an occasional little step.  So, perhaps some 
small amount of hysteresis in Mike's pitch tracking algorithms would help 
prevent this.


-----Original Message----- 
From: Gordonjcp
Sent: Friday, April 16, 2021 8:34 AM
To: synth-diy at synth-diy.org
Subject: Re: [sdiy] Question for those with musical ears

On Thu, Apr 15, 2021 at 08:01:38PM +0100, Tom Wiltshire wrote:
> The VCDO chip I designed only manages 6 cent steps (16 steps a semitone, 
> actually = 6.25).

In my experiments with using Arduinos as VCDOs I used the internal ADC and 
5V 1V/oct CV and got 6.25 cents per step.  This sounded pretty okay.

Driving it with a Behringer TD3 it was impossible to hear any stepping 
although if you were being incredibly picky you could sometime here it 
"jitter" between steps on sustained notes.


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