Re: [CM] Notes from the Metalevel availability?

[Iain Duncan]

Hi, at one point Rick mentioned on here that he was going to ask the
publishers whether they would release it from copyright but I don't know if
he had a chance to do that yet. I'd also love to see it available again as
it's a wonderful tutorial for Scheme for Max too. I sure hope it doesn't
just become out of print and unavailable!

iain

On Thu, Jun 24, 2021 at 12:14 PM Kenneth Flak 
wrote:

> Hi list,
>
> I'm trying to get my hands on Notes from the Metalevel, but I am not able
> to find it anywhere. I see references on the webs about an html version of
> the text, but this too is nowhere to find... Is there a way to legally get
> hold of the text? I would much prefer a digitized version, as I am mostly
> on the move, and would prefer a laptop-friendly reading experience.
>
> Best,
> Kenneth
>
> --
> Roosna & Flak - Contemporary Dance & Music
> Web: roosnaflak.com
> Code: {github,gitlab}.com/kflak
> Mastodon: @k...@sonomu.club
>
>
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[CM] Notes from the Metalevel availability?

[Kenneth Flak]

Hi list,

I'm trying to get my hands on Notes from the Metalevel, but I am not able to 
find it anywhere. I see references on the webs about an html version of the 
text, but this too is nowhere to find... Is there a way to legally get hold of 
the text? I would much prefer a digitized version, as I am mostly on the move, 
and would prefer a laptop-friendly reading experience.

Best,
Kenneth

--
Roosna & Flak - Contemporary Dance & Music
Web: roosnaflak.com
Code: {github,gitlab}.com/kflak
Mastodon: @k...@sonomu.club


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Re: [CM] Cmdist Digest, Vol 157, Issue 4

[James Hearon]

Hi Bill,
Yes, that's very helpful.  I believe I was confused about trying to add a list 
to the
make-pulsed-env dur or frequency component, which only takes a real num:
(e (make-pulsed-env '(0 0 1 1 2 0) 1.0  '(0 0 .5 .15 1 0) ))

versus applying an env. to the polyshape index or fm parameter:
(polyshape gen (* (pulsed-env e (env frq)))  0.1)

But I see how it should work now.

So this was the effect I was after. Morse Code?

(with-sound (:srate 48000 :channels 1 :play #t)
  (let ((gen (make-polyshape 400.0 :partials (list 1 .5  2 .25  3 .125  4 
.125)))
 (e (make-pulsed-env '(0 0 1 1 2 0) 1.0 1)) ;w/ dur freq
 (frq (make-env '(0 0 .5 .15 1 0) :duration 1.0 :scaler (hz->radians 
50)))
)
(do ((i 0 (+ i 1)))
((= i 192000))
(outa i (* 5.95 (polyshape gen (* (pulsed-env e (env frq)))  0.1)  ))  ;w/ 
index, fm
  )))

From: cmdist-boun...@ccrma.stanford.edu  on 
behalf of cmdist-requ...@ccrma.stanford.edu 
Sent: Wednesday, June 23, 2021 9:00 AM
To: cmdist@ccrma.Stanford.EDU 
Subject: Cmdist Digest, Vol 157, Issue 4

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Today's Topics:

   1. make-pulsed-env (James Hearon)
   2. Re: make-pulsed-env (b...@ccrma.stanford.edu)


--

Message: 1
Date: Wed, 23 Jun 2021 17:56:03 +
From: James Hearon 
To: "cmdist@ccrma.Stanford.EDU" 
Subject: [CM] make-pulsed-env
Message-ID:



Content-Type: text/plain; charset="iso-8859-1"

Hi,
I was trying to figure out how to use an env on the freq parameter of 
make-pulsed-env
(make-pulsed-env envelope duration frequency) but it wants a real, not a pair.  
I thought I'd look-see the code for make-pulsed-env, but I can't seem to locate 
it.  Wondering if there's a way to go about achieving the effect?  
make-freqpulsed-env?

I tried adding an amp to the pulsed-env but that's not the effect I was after.
(outa i (* 5.95 (polyshape gen (* (env ampenv) (pulsed-env jsenvel))  0.01) 
 ))
Also tried a vibrato type effect using an LFO, but still no joy.
Just trying to get make-pulsed-env to change frequency within the duration of 
the note.
Something like: <>,<  >,   < >, <>, <>,<>,<>

(with-sound (:srate 48000 :channels 1 :play #t)
  (let ((gen (make-polyshape 400.0 :partials (list 1 .5  2 .25  3 .125  4 
.125)))
(jsenvel (make-pulsed-env '(0 0  .25  0.01  .5  0.2 1  0.0)  1.0  1.0)) 
 ;XXX
)
(do ((i 0 (+ i 1)))
((= i 96000))
(outa i (* 5.95 (polyshape gen  (pulsed-env jsenvel)  0.01)  ))
  )))

Regards,
Jim
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Message: 2
Date: Wed, 23 Jun 2021 11:26:53 -0700
From: b...@ccrma.stanford.edu
To: James Hearon 
Cc: "cmdist@ccrma.Stanford.EDU" 
Subject: Re: [CM] make-pulsed-env
Message-ID: 
Content-Type: text/plain; charset=US-ASCII; format=flowed

The make-pulsed-env frequency parameter sets the
base frequency (it can be 0); you change the pulse
rate while running via the fm argument to the
pulsed-env generator.  For example:

(with-sound ()
   (let ((e (make-pulsed-env '(0 0 1 1 2 0) .01 1))
 (frq (make-env '(0 0 1 1) :duration 1.0 :scaler (hz->radians
50
 (do ((i 0 (+ i 1)))
 ((= i 44100))
   (outa i (* .5 (pulsed-env e (env frq)))



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End of Cmdist Digest, Vol 157, Issue 4
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