[sdiy] Prophet VS a phase accumulator design?
Scott Nordlund
gsn10 at hotmail.com
Wed Feb 2 04:13:00 CET 2011
> > ... or start with a very long
> > version of a waveform and skip samples in it to alter how long it took you to read it out once
> > (and therfore alter your final pitch). ...
>
> I'd be curious to know at what octaves you can start skipping - if I
> were to start with 1024 or 2048 samples per cycle down the bottom (from
> MIDI note 0) and ended up with 256 samples up top (up to MIDI note 127,)
> where would be the break points?
I think the DW-8000 used 6 multisamples per waveform, the idea being that
since the waveforms in ROM were already band limited and "oversampled",
they could use simple drop/add reconstruction without aliasing problems.
But the result was a quite large 128 kByte ROM.
Sample rate was about 50 kHz.
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