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


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Hi,

I think it may be as simple as adding or multiplying depending on what
you want. If you add the two envelopes, you will offset one by the
other, if you multiply them, you will scale (or modulate) one
according to the other.
Is this what you mean, or am I misunderstanding?

Cheers,
Andrés

On Thu, Jul 22, 2010 at 5:58 AM, Robert or Gretchen Foose
 wrote:
> 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"
>
>



-- 


Andrés


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