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[Csnd] Re: morph

Date2011-07-10 20:12
From"Partev Barr Sarkissian"
Subject[Csnd] Re: morph
Enrico,

Have to give credit to an article in Computer Music Journal from Fall 2003,
where someone was using a similar "morph" on a brass sound patch. I remembered
Moog's demonstration, then just did my own embellishment to the idea in the 
CMJ magazine piece. Worked pretty well on the things I applied it to. I need
to spend more time on it to explore it more. Have some application ideas I 
want to try out when I get the chance.

I think there are two, maybe three opcodes for this. 
The example in the article went something like this---

P(a) =  its numerical value.
p(b) =  its numerical value.
t(a) =  0- start timme, or some non-zero offset time.
t(b) =  usually a duration time or its multiple. I'll sometimes have more than 
             one duration for multiple items, then specify the time I want to 
             use the morph, or some multiple thereof.

i(p-field item)  =  p(a) + p(b)
i(t-time period) =  t(a) + t(b)
imorph           =  i(p-field item)/i(t-time period)


The i-initialization is optional, it depends on what you're trying to do with it 
and whether it's useful for that circumstance. A lot of times I don't use the "i".

For "morph" or "imorph", check the opcode list, there are two (or more by now). 
Sometimes I just do the math and label it a "morph" or "morphing", simply so that 
I can remember what that math equation does without having to stop and think and 
figure it out. I just know that's what it does, because I labeled it that way.
It's worked pretty well so far.


Cheers and Ciao,
-Partev



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



--- francioni61021@libero.it wrote:

From: Enrico Francioni 
To: csound@lists.bath.ac.uk
Subject: [Csnd] Re: morph
Date: Sun, 10 Jul 2011 01:17:32 -0700 (PDT)

very well Partev,
you have to do what an opcode in Csound?

e

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