[sdiy] dumb wavetable question

[karl dalen]

That's what Grants/Wiard Waveformcity does. you have to look into
sdiy archive a couple of years back and you will find plenty of 
that stuff and the drawbacks that method can have on sample replay.

The lovley effects are not so plesant when the wave starts to scew
if your looking for constant clean tones, the diode glitch creates
a sudden spectrum change etc.

5Mhz VCO doable?
Yes, no problem, DC to 20Mhz no problem you have to
keep track on parasitic capacitances, thats all. :)

Reg
KD 

>David G. Dixon <dixon at interchange.ubc.ca>:
> Ämne: Re: [sdiy] dumb wavetable question
> Till: "'Olivier Gillet'" <ol.gillet at gmail.com>
> sawtooth VCO, scale it to 0-5V, pass it
> > into an 8-bit parallel ADC, and feed the 8-bits of ADC
> output as an
> > address to an eeprom (the other bits being controlled
> by the wavetable
> > selector). Bonus : any defect in the sawtooth turns
> into lovely phase distortion.
> 
> Cool.  And you wouldn't need to just use a saw. 
> You could do this with a
> triangle or a sine to access the wavetable in different
> ways.  You could
> even use one wavetable to generate the addresses for
> another (or for itself?
> whoa, I think I just blew my own mind!), thus creating a
> virtually infinite
> number of possible waves.
> 
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