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

[Paul Schreiber]

Errrr...MOTM-550 Morphing Terrarium......(cough cough)..........

Paul S.
/ R&Ding as fast as we can



----- Original Message ----- 
From: "Barry Klein" <barryklein at cox.net>
To: "SynthDIY" <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, January 17, 2010 10:36 AM
Subject: [sdiy] [Wavestation AD] - the K3 the waveform discussion


>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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>
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