Sounds like a mix of pitch shifting and envelope combining.
Most of my experience with combining envelopes is with 
Moog synths, like the systems that Walter/Wendy Carlos and 
Tomita's earlier recordings (Snowflakes Are Dancing), and 
of course the Mini Moog. At present I have a Moog Prodigy 
with the guts hanging out, I need to finish working on.

The one common item with these is that they have more than 
one envelope generator. With that you can do some cool stuff.
Strike a note, then while holding that note down strike several 
more, giving a second envelope within the first envelope of 
the held down note. It's very 1970's-ish (a la Keith Emerson,
Walter/Wendy Carlos and Isao Tomita). This can be done because
the afore mentioned Moogs are monophonic. It's harder to do 
this with polyphonic synths.

Making use of some of the Csound Moog opcodes in a monophonic 
setting with two or more envelope generators and multi triggering 
of envelope generators should yield some interesting results.
It's a matter of taking what I've done with hardware synths and
apply them to Csound software synthesis.


-Partev



============================================================



--- arfo@comcast.net wrote:

From: Robert or Gretchen Foose 
To: csound@lists.bath.ac.uk
Subject: [Csnd] combining envelopes
Date: Wed, 21 Jul 2010 23:58:48 -0500

Hi all,
I remember reading somewhere about how to combine 
(merge)envelopes to build more complex ones from simple ones. 
For instance, I'd like to create a pitch envelope that starts a 
semitone above the scored pitch, slides down to the scored pitch 
over a small portion of the total duration, then glides up an 
octave over the last half of the duration, but also incorporates 
a sine-wave-like modulation with increasing fluctuation to the 
end of the note.  (sort of a Tomita-like sound).  The note would 
also have an amplitude envelope that may or may not include a 
similar complex shape.  I seem to remember reading about how to 
do this in the Eastman Csound tutorial (Schindler), but I can't 
find it there now.  Any ideas for how to create this effect 
would be appreciated, but especially those that do it by 
combining envelopes.  (Note to Steven..this might make a nice 
article for the Journal.)
Thanks,
Bob Foose


Send bugs reports to the Sourceforge bug tracker
            https://sourceforge.net/tracker/?group_id=81968&atid=564599
Discussions of bugs and features can be posted here
To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"





_____________________________________________________________
Netscape.  Just the Net You Need.


Send bugs reports to the Sourceforge bug tracker
            https://sourceforge.net/tracker/?group_id=81968&atid=564599
Discussions of bugs and features can be posted here
To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"