Newsgroup: it.arti.musica.strumenti.tastiere
Titolo: Domandina per Steeve e i kappaduemilisti

Caro Steeve,
in un vecchio mesaggio, parlando della Roland A90 scrivesti:
"Ha solo 4 slider: insufficienti se vuoi controllare un preset che emula i
drawbars di un organo hammond come avviene con K2000"
Questo preset è "di serie" nel K2000, l'hai trovato da qualche parte o l'hai
fatto tu?
Usa i campioni a bordo?
Ha qualcosa in comune col KB3 del K2600?
Permette di controllare 9 drawbars?
Come la metti col leslie che ho letto non so dove che sul K2k fa schifetto?
Grazie, ciao.
Mariano.



 Come la metti col leslie che ho letto non so dove che sul K2k fa
schifetto?
Diciamo pure che non esiste! :-) Sě, usare il K2k per suoni hammond non č il
massimo a meno che non usi librerie su CD, ma in quel caso il leslie č
campionato e non generato in real time. E' possibile perň, grazie alla
potenza di questo synth, creare un simulatore di leslie casereccio: basta un
LFO, impostarne il delay, assegnarlo al pitch...
Si trattava cmq di un program curioso e interessante dal punto di vista
teorico. Il risulato perň...beh, molto meglio i preset delle schede Vintage
Synths e Keys of 60-70 della Roland! :-)
--
Bye-by:
Stv
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La musica č al tempo stesso il linguaggio piů completo per
comunicare i sentimenti e il piů difficile da interpretare. (A.S.)
ste...@inwind.it
 (Generic E-Mail)
s...@libero.it
 (Music E-Mail - SoundOnSound Recording Xtudio)
ste...@ondanomala.com
 (Ondanomala E-Mail)
http://www.ondanomala.com
 (Sito ufficiale Ondanomala)
http://free2.kyberlandia.it/Steeve/
 (Sito con MP3)
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 bordo? Ha qualcosa in comune col KB3 del K2600? Permette di controllare 9
drawbars?
Lo sapevo che da qualche parte sul mio HD avevo salvato la pagina che
descriveva quel preset (c'č anche la lista dei CC per controllare i 9
draws...e non solo!) ecco qui, buona lettura!
Although we have received many positive e-mails, letters and phone calls
about our SW-B3 freeware, we've received even more requests from K2000
owners who pleaded with us to design a real-time drawbar system for the
K2000. There were many technical reasons why this seemed impossible and
Sweetwater, Kurzweil, and others have often posted that this probably
couldn't be done due to the smaller engine and lack of polyphony.
One night, after reading yet another request for a "KB3 that works on a
K2000", I decided to create a version for the Internet (sort of as a joke)
that would clearly show why such a K2000 program was useless, even if it
could be made to work.
The key word that described this "joke" program was "Duophony" as the
program could only play two notes at a time. (9 Drawbars + 1 Percussion
divided by 24 Notes of polyphony = only 2 full Notes.)
After tweaking the Duophony version I decided that I would offer it to the
public as a great B-3 Lead (only) program to show that Sweetwater at least
attempted the effort to fulfill the many requests for real-time drawbars on
the K2000.
Before releasing it to the public I decided to try at least one more trick
to make it a bit less voice-hungry. I chose Algorithm 12 which has:
"Sine Wave" [Keymap] -> [GAIN] -------------------- [AMP]
                            [SINE] ->[GAIN] ----/
where the Keymap and the SINE Wave each had their own GAIN block as well as
their own separate audio path until they mixed at the final AMP.
This succeeded in increasing the polyphony as each Layer now played two
Drawbars. The downside was that the DSP SINE Waves are rather grungy and the
resulting organ sounded like a transistorized Casio. And there were no VAST
tools left to do any timbre processing. So I pretty much gave up...
...Days later I'm taking a shower and it hits me like a frying pan:
Q. What is a LowPass Filter to a SINE Wave?
A. A Volume Control !!!
I figured, "If I use a LowPass Filter on those grungy DSP generated SINE
Waves and then attach a Drawbar to Filter Cutoff Frequency I can accomplish
two things with one DSP Block: Filtered Pure Sine Waves with dynamic Volume
Control!!"
"Sine Wave" [Keymap] -> [GAIN] -------------------- [AMP]
                          [SINE] ->[LoPASS] ----/
Now it really started to sound like it was supposed to. But the resulting
polyphony consumption was still too high for the K2000's 24 voices. So I
installed all of my gizmos that make one Layer have more Voice-Stealing
Priority than another and made it give back voices that weren't being heard.
Then I gave the 1' Drawbar its own Layer that doesn't even Enable until the
Mod Wheel (CC#1) is up slightly.
Now we have enough notes of polyphony to allow a left-hand bass note plus a
full right hand chord. (On a K2000!!) But it still lacked the impact of a
B-3.
So I edited all of the ROM Sine Wave Samples and created Alt. Start Points
that started slightly away from Zero Crossings. This effect is heightened
because each Layer starts slightly after the one before it. The resulting
sound of all those singular clicks being flam'd is just like the multiple
B-3 buss bars clicking.
Then I added about ten more improvements including a Dual Rotor Leslie that
pans in stereo (without Panner!!), variable control Chorus/Vibrato, variable
Key Click, Leakage and a separate Program that adds 3rd or 2nd Harmonic
Percussion in place of the 1' Drawbar (just like a real B-3).
This latest version of my K2B3 also varies the quality of the Key Clicks
based on which drawbars are pulled out.
Since many of the e-mails about Kurzweil's KB3 Mode commented about the lack
of a Lower Manual and Foot Pedals, I decided to try creating a special Lower
Manual and Pedal Manual that would allow these additional Programs to exist
on "non-Drum Channels" for those who don't have K2000 version 3.54 and
P-RAM.
To do this I called many of my B-3 friends and asked them which Drawbars
they "had-to-have" for their left hand. By trimming away a few Drawbars in
the Lower Manual you actually have a situation where using Upper, Lower and
Pedals actually gives you much *more* polyphony! (Check out the Demo
Sequence with the MASTER/Utility/Voices display on.)
Conclusion:
We now have the SW_K2B3 which sounds very much like Kurzweil's KB3 Mode.
SW_K2B3 features all 9 real-time Drawbars, plus Percussion and Key Click.
The SW_K2B3 requires no P-RAM, SoundBlocks, Setups, Sample RAM, or any
particular Setup Objects or Setup Chips.
Unlike Kurzweil's KB3, the SW_K2B3 can work on *any* K2000 or K2500 Engine
going all the way back to v1.00 (December 1991).
The SW_K2B3 has separate Upper and Lower Manuals, plus Pedal Programs,
unlike Kurzweil's KB3 which can only have one manual.
Unlike Kurzweil's KB3, the SW_K2B3 will work on any/all Drum Channels
(simultaneously!). The Lower Manual and Pedals can work on *all* 16 MIDI
Channels.
The SW_K2B3 uses no polyphony until you play. (Kurzweil's KB3 permanently
eats 40 voices as soon as you dial it up.)
Unlike Kurzweil's KB3, the SW_K2B3 does not take a second to scroll past the
program while it reconfigures the K2500.
The SW_K2B3 can switch between Polyphonic or Monophonic Percussion (CC#29).
(The KB3 has Monophonic Percussion only.)
It allows real-time switching between Percussion 3rd and 2nd via Mod Wheel
(CC#1-MWheel) when you are using the Percussion Program.
The SW_K2B3 has a simulated Dual Rotor Leslie operated by Foot Switch 2
(CC#66).
It has a continuously variable Vibrato Depth. (CC#93)
The SW_K2B3 now features a variable "String Bass" Envelope for the Pedals
(CC#1-MWheel)
It has a continuously variable Reverb Depth. (CC#91)
The SW_K2B3 is less than 10k bytes in size! (Plus a 50k Demo Sequence.)
There are also External Leslie versions of each SW_K2B3 Program that are
ideal for external Leslies or Leslie Simulators. You can use either the MIX
Outputs or the B Outputs. (For a list of all of the Leslie effects devices
that Sweetwater carries, please see below.)
Here is a list of Controllers for the SW_K2B3 Drawbar Organ:
CC#6 (Data Slider) = 16' Drawbar
CC#22 = 5-1/3' Drawbar
CC#23 = 8' Drawbar
CC#24 = 4' Drawbar
CC#25 = 2-2/3' Drawbar
CC#26 = 2' Drawbar
CC#27 = 1-3/5' Drawbar
CC#28 = 1-1/3' Drawbar
CC#1 (Mod Wheel) = 1' Drawbar
PANIC = All Drawbars out except for 1'
----------------------------------------------------------------------------
----
CC#64 (Sustain) = Sustain
CC#66 (Sostenuto) (Ft. Sw. 2) = Leslie Speed
CC#91 (FX Depth) = Reverb Depth
CC#93 = Vibrato Depth
CC#1 (Mod Wheel) = Percussion 3rd or 2nd Harmonic (with Perc Program)
CC#1 (Mod Wheel) = "String Bass" Envelope for Pedals (with Pedals Program)
CC#29 = Percussion Mono/Poly (with Perc Program)
If there is a Reverb Depth that you prefer, you can change it without
affecting the Leslie by adjusting the "Rev in: Dry" Adjust parameter in the
EFFECTS Page and saving.
If you always want Polyphonic Percussion, you can EDIT the Prc>mw Program,
go to the FUN Page and change FUN 3 B Input from "MIDI 29" to "ON" and save.
If you'd like less Key Click, EDIT a Program and go to the KEYMAP Page.
Change the "Alt. Start" parameter of *each* Layer to "ON" and save.
Well, I hope that you enjoy playing this Program as much as I enjoyed
designing it. The K2000/K2500 is simply the most exciting
Sampler/Synthesizer I've ever played with. And if I can get a little preachy
for just a moment:
Remember that this SW_K2B3 program could have been made on any K2000 *six
years* ago!! (Just like the Pink Floyd "Darkside" program.) All of the tools
needed were available in VAST even then. It just took people wanting this
badly enough that it was finally invented.
There are thousands of amazing Programs still waiting to be born with VAST.
And no matter what the problem is, somewhere hidden inside VAST are probably
10 different ways to solve it. So go make something! (End of preaching.)
Sincerely,
Daniel Fisher
