[sdiy] [Wavestation AD] - the K3 the waveform discussion

[Barry Klein]

I changed the title as this is a bit of a topic hijack...
Has anyone gotten this dedicated with the Wavestation A/D?
Some people had done some work with the Korg PCM card format
and probably that material is still on the net.  Such a beast of a synth
missing its heart - a way to input custom wavetables etc.
Looking at KidNepro's page: 
http://www.kidnepro.com/KN/Korg/Wavestation/WaveStaMain.html
they talk of using the midi interface to input "sounds".
Are these all just "programs" using the original inherent ROM tables?
If would think today, someone with FPGA expertise would come up with
a sound programmer interface using USB...  come on college senior project 
guys...!!

Barry

----- Original Message ----- 
From: "Tom Wiltshire" <tom at electricdruid.net>
To: "Paul Maddox" <paul.Maddox.mail-list at synth.net>
Cc: "SynthDIY" <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, January 17, 2010 7:41 AM
Subject: Re: [sdiy] FW: Kawai K3 - Bandlimited Waveforms


> 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!
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