Casio CZ/ VZ/ FZ - Pro Series

At 22:20 15.06.01 -0000, you wrote:
>--- In CZsynth@y..., Summa <flotorian@y...> wrote:
>> At 14:14 15.06.01 -0000, you wrote:
>> >
>> 
>> I can imagine that, I recently sold a set for the K5000 to a 
>company...
>> 
>
>Excellent ! 
>Hope they put your name in the Marketing materials (I hate when 
>they don't list the programmer).

Nope, only in the manual and only something like "thank you to .... for
soundprogramming"... what is much, since they normaly don't mention the
soundprogrammer at all... 

>
>> Btw. I ran into another problem were the manual or you might 
>be able to help
>> me... 
>> The VZ-1 has a quite strange behaviour when it comes to the 
>oscillator
>> waveforms. It's easy to understand as long as I work with 2 
>Oszillators.
>> Since when I set those to phase and change the operator 
>waveform of the
>> modulator I'm changing the waveform of the carrier instead.
>
>You lost me there- I'm not understanding - (sorry) if you could 
>explain in terms of M1, M2, M3 etc and who's modulating whom -I  
>might  understand.

Ok... if you set M1 phase M2 ... M1 is modulating M2 since the envelope of
M1 is determin the amount of modulation. But when I change the waveform of
M1 I change the waveform of the carrier that is M2. When I change the
waveform of M2 I cange the waveform of the modulater what is M1...
 
>Another thing
>> is, when set to phase, even when the modulator is muted, it's 
>still
>> modulating the carrier (with a value of 50, compared to the DX7 
>modulator
>> volume). So with complex operator links it's hard to tell the 
>operator
>> waveform. I found out that in most cases the waveform of the 
>first an the
>> last one a row are swapped, but don't know about the other 
>operators. Is
>> there anything about this in the manual that could shed ligth on 
>that
>> behaviour?   
>> 
>> Summa
>
>That's really odd. 
>I just looked at the manual (VZ8m) and it makes no mention of 
>Muting.  It only lists the following parameters as being 
>associated with Operator output..

It's also when I turn the Envelope depth of the modulator (for instance M1)
to Zero... anyway, I think I know why they did it, I guess it's increasing
the range of the modulator - envelope... since in the lower region those
modulators don't create that much difference...  

>AMP ENV (DCA)
>ENV DEPTH (DCA)
>KF LEVEL (DCA)
>VEL LEVEL (DCA)

>My experience has been- when you turn an operator off (on a 
>VZ10m the litle red led next to the M* button goes off)- it is 
>sonically removed from the chain.

Yep, same on the VZ-1 but when that to phase it's still have an influence
since if you set it to mute and mix the sound is changing again... 

>The manual only has 3 real pages of iPD description- exactly 
>"how Much" modulation isn't covered in mathematical terms.

Well it's not a math problem, just that I can't determine the waveforms
right unless I would be able to reduce the modulation to zero, but then I
would have to seperate it from the chain... since I have the following
algorithm....

2
|
4
|
6
|
8

But when I break the chain the waveforms are changing again... 

>You just get ......
>"This phase modulates that" 
>"These two ring moduate"
>The closest they get is when they show 4 points of a DCA ENV 
>and the corresponding wave output at each of the 4 points (for a 
>one on one Phase modulation).

Well one on one isn't the problem... 

>They describe waves 1-5 as having different degrees of "buzz".
>Wish they'd show an Oscilloscope capture of the waves - and an 
>additive spectrum for them.

Well I have a little software for my PC that shows the waveforms... 

>The other pages of the manual are just one page each for each 
>numbered parameter- with very brief descriptions.

I see... like what is LFO... vibrato, portamento stuff...

>I hope I've answered well- I'm trying- but I feel like my answers 
>aren't helping (not my fault though- the Manual is really sparse).

No problem, thanx for your effort !!! Sometimes it's good to know what isn't
covered by the manual...  

I feel at least that a better description is needed to make programming
easier, even so I'm more then ten years late with my efforts... so I will
describe my findings and at a certain point I will upload a little
unfinished version of the tutorial to the files section and hope I'll get
some feedback to improve it step by step...  

I think, when I'm ready with the tutorial it should be possible to use
certain FM technics on the VZ. Maybe even to make halfway usable
conversions...  
Like converting the "famous" (detroit techno) "lately bass" to the VZ-1...
;)        
>I wonder....... if we found the enginer who designed the VZ 
>engine ... would we be able to understand his Japanese ?

I think the engineer probably speakes at least a little english... since I
guess most of the important technical books and papers are written in
english... 

On the other hand the VZ may behaves that strange to make it impossible for
Yamaha to find out if Casio broke some of their patents... ;) 

Summa


			     
           +                        
           +                       
           +     /\      /\         
        /\ +  /\/  \    /  \        
+++++++/++\++/++++++\++/+++ \    /\  /\         /    O   
      /    \/        \/      \  /  \/  \ |   | /     |  /----
 /\  /     +                  \/        \\---/ ----  |  |
/  \/      +                  /\                  /     \----
           +                 /  \                / 
           +                 Nicknames  : Summa or SumGhost
           +                 AIM        : Flotorian
           +                 Born       : 1967
           +                 Profession : Student of Computer Science
           +	                     

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