[CM] Using PAN function in Grace

Tue May 19 21:24:28 PDT 2020

Guten Morgen, 

I had already thought of using two different channels, I made a first try starting from the middle and gradually separating the pan, but it doesn't give much result (it's probably better from 0 to 127 for the second chanel). Moreover, I made a logical mistake by basing myself only on the deviation of the 1st note (0.170 - 0.167), when you have to think about the whole cycle (the 12 notes from e4 to cs5). 

It's a bit more complicated than I originally thought. But it's an interesting exercise, I hope to finish it during the day. 

Thank you for your help. 

(note: my English is from a Deepl translation, so please be indulgent) 

----- Mail original -----

De: "ludger brümmer" <lb at zkm.de> 
À: "philippe cabanon" <philippe.cabanon at laposte.net> 
Cc: "Orm Finnendahl" <orm.finnendahl at selma.hfmdk-frankfurt.de>, "cmdist at ccrma.stanford.edu" <cmdist at ccrma.Stanford.EDU> 
Envoyé: Mardi 19 Mai 2020 19:54:38 
Objet: Re: [CM] Using PAN function in Grace 

Dear Philippe, 

another way would be to place the 2 voices on different midi channels and pan each channel wherever you want? 

viele Grüße / all the best 
Ludger Brümmer 

-- 
Prof. Ludger Brümmer 
Leitung | Head of Department 
Hertz-Labor | Hertz-Lab 

Professor für Komposition für digitale Medien 
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Am 19.05.2020 um 15:45 schrieb philippe.cabanon at laposte.net : 

Thank you, Orm, that works perfectly, 

I have replicated your example with other control codes, it seems to me that only N°93 "Chorus Depth" modifies the sound significantly (I didn't succeed with the other codes). 
(I used the "70 Bassoon" sound which seemed to be better on "long" sounds - 30s here -). 

One of my ideas was to use the "pan" function on top of the "Steve Reich's Piano Phase" example to separate the 2 pianos along with the phase, just an idea. 

Thank you again. 
Ph.C 

----- Mail original -----

De: "Orm Finnendahl" < orm.finnendahl at selma.hfmdk-frankfurt.de > 
À: "philippe cabanon" < philippe.cabanon at laposte.net > 
Cc: cmdist at ccrma.stanford.edu 
Envoyé: Mardi 19 Mai 2020 11:56:26 
Objet: Re: [CM] (no subject) 

Am Montag, den 18. Mai 2020 um 09:16:56 Uhr (+0200) schrieb 
philippe.cabanon at laposte.net: 
> In fact, I was wondering if it was possible to modify a sound 
> already emitted, as you do with a knob on a midi controller keyboard 
> (keeping the same original sound). 

yes, start a long note: 

(mp:midi :key 80 :dur 20 :amp .5 :chan 0) 

then simulate the controller knob: 

(sprout 
(process 
for i below 128 
do (mp:ctrl :num 10 :val i :chan 0) 
(wait .01))) 

I hope the syntax is ok. I can't test here as I'm using the common 
lisp version with a slightly different syntax. 

-- 
Orm 

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