[sdiy] Limited Walsh

[Scott Gravenhorst]

Ok, so I get that if you want to make pretty much *any* waveform 
with Walsh alone, then the bigger the better.  Just like using 
nothing but a sine series to do this.

I also get that the Walsh system tends to be harmonic rich so I 
wonder what opinions there might be about building a limited 
Walsh generator that would be used in a synth system that has 
filters.  That is, how useful would say 4, 6 or 8 Walsh knobs be 
if the resulting signal is then filtered?  How many of us 
wouldn't do that anyway?  Heck, maybe even as few as 3?  I wonder 
how much of the upper harmonic limiting work can be done with 
filters we already have instead of using 32 or more Walsh outputs 
to emulate the same harmonic reduction?  

Great thread, thanks all.

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