[sdiy] [spam] Re: Pink Tunes self-composing program.

KA4HJH ka4hjh at gmail.com
Tue Jan 9 00:03:45 CET 2018


> On Jan 8, 2018, at 5:54 PM, Jay Schwichtenberg <jschwich53 at comcast.net> wrote:
> 
>  Hard part is figuring out what all the hardcoded numbers are. For example are the music keyboard values directly related to a real note voltage value? Initially I'm going to assume that is true.


IIRC, Pink Tunes was written for the 4700 system which used a custom exponential DAC with linear VCOs. If so the output pitch values should all be linear.


Terry Bowman, KA4HJH
"The Mac Doctor"





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