[sdiy] MonowaveII demo sounds up

[Paul Maddox]

Antti,

> It might be possible. If you can perform interpolated table lookups fast
> (something Intel cpus aren't particularly good at), then the filter
> doesn't eat That much cpu.

yes, this is one thing the DSP is particularly good at...

> Did PPG Wave have analog oscillators that controlled when to output a new
> sample from the wavetable?
> Or were they digital and what was the sampling frequency?

they were digital and they had a variable asmple rate.
The always played 128 samples per waveform, so if you played a 50hz note you
got a sample rate of 6.4Khz, play a 1Khz note and you got 128Khz sample
rate.

> This is what I'm interested in. Particularly, I'd like to know which parts
> interact with each other and which can be assumed to be ideal buffers.

this is way beyond me, but theres a few people on here who can help with the
maths of this :-)
My code simply does one 6dB filter, then another, then another and then the
final one.

Paul