[sdiy] FW: Kawai K3 - Bandlimited Waveforms

[Tom Wiltshire]

Paul,

On 17 Jan 2010, at 13:03, Paul Maddox wrote:

> The DW and K3 use a bit of both....
> I suspect you'll find the 512sample waveform frequency is varied over
> a range of notes, maybe an octave or so, then as you get near to the
> point at which aliasing would occur (dependant on sample rate), it'll
> swap to the 256byte waveform and halve the rate it looks up from the
> ROM.

Yes, sorry if I made it sound like the two techniques are completely  
different. As you say, they're not.

There's more on the NCO techniques that both are based on, and the  
PPG and DW oscillators on my webpage.

http://www.electricdruid.com/index.php?page=info.wavetableoscs

T.

PS: Welcome back!