| Message written at 18 Nov 1998 22:01:45 +0000
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In-reply-to: <283AABB8FD0DD21187C200A0C995F5DE0ECD60@NEPTUNE> (message from
David Boothe on Fri, 13 Nov 1998 10:42:40 -0600)
References: <283AABB8FD0DD21187C200A0C995F5DE0ECD60@NEPTUNE>
Thank you for the bug report; as you suspected the Windows interface
was wrong, and I had confused a number of internal fields. i have now
fixed it.
==John ffitch
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From: Robin Whittle
Organization: First Principles
To: Csound list
Date: Fri, 20 Nov 1998 00:47:16 +1000
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Subject: Re: pink noise in cmask
CC: pete moss
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I have been trying, off and on, for several years to find a clean way
of generating pink noise (AKA 1/f noise) with DSP. One approach is
to filter white (equal energy per hertz) noise with a -3db/octave low
pass filter to generate the pink noise (equal energy per octave, or
energy is proportional to 1/f) - but where does one come across a
wideband -3db/octave filter? Rare as rocking-horse poop as far as I
can see.
Another is to generate multiple random frequencies, at sample rates
with one octave spacings and add them all together. Each is a "white
noise in its own octave (very loosely speaking). Summing them
together gives you even energy for each octave. However it is better
not to do a square-wave sample and hold for each component noise
source, but to interpolate between one sample and the next -
otherwise you get big spikes in the output.
You really need to specify some low frequency below which you are not
interested. Otherwise, the lower you go, the more octaves you
accumulate and the more energy you get!
If anyone has an elegant solution to this, I would be most impressed!
- Robin
Here are some postings I made on this subject to the Music DSP list
in June/July:
(There's no normal web-archive, but join at:
http://shoko.calarts.edu/~glmrboy/musicdsp/music-dsp.html )
======
To the Music DSP List (which I have been lurking on) and Wentian
Li, who maintains the best known web site devoted to 1/f noise:
http://linkage.rockefeller.edu/wli/1fnoise/
For several years I have been thinking about DSP methods for
producing "pink" noise, AKA 1/f noise - noise where the power is
evenly distributed per octave.
One approach is to filter white noise with a -3dB rolloff lowpass
filter, but these seem to be about as hard to come by as half an
electron.
I did a bit of a search today, and came up with one interesting
lead. I haven't coded this - so I I am just reporting what I
found.
In the manual for the Common Lisp Music programming language, Bill
Schottstaedt writes about a method of
generating a reasonable approximation to 1/f noise, by summing
together multiple random number generators:
http://ccrma-www.stanford.edu/CCRMA/Software/clm/clm-manual/clm.html#randh
"Orfanidis also mentions a clever way to get reasonably good 1/f
noise: sum together n randh's, where each randh is running an
octave slower than the preceding (one):"
This is a reference to Sophocles Orfanidis' book "Introduction to
Signal Processing":
http://www.prenhall.com/books/esm_0132091720.html
This sounds like a pretty good way to do it.
Here are two other things I found which might be of interest:
- - - -
A Dutch company sells logic designs for ICs, which implement
certaion functions, including a 4000 gate, 0.1 k byte ROM random
noise source and "pink noise" filter which produces impressively
flat pink noise in the audio range. This is a non-trivial
exercise, it seems, because on the same page they mention an ADCPM
codec for up to four channels and it only needs about 10% more
resources.
http://www.dedris.nl/mainic1.htm#Pink Noise
- - - -
A mini-treatise on the various "colors of noise", including the
observation on filtering white noise to create pink noise: "Many
point out that this is not a trivial filtering problem."
http://ds.dial.pipex.com/msaxon/colors.htm
======
[ From robert bristow-johnson ]
another method that Orfanidis mentions came from a comp.dsp post of mine.
it's just a simple "pinking" filter to be applied to white noise. since
the rollof is -3 dB/octave, -6 dB/octave (1st order pole) is too steep and
0 dB/octave is too shallow.
an equiripple approximation to the ideal pinking filter can be realized by
alternating real poles with real zeros. a simple 3rd order solution that i
obtained is:
pole zero
---- ----
0.99572754 0.98443604
0.94790649 0.83392334
0.53567505 0.07568359
the response follows the ideal -3 dB/octave curve to within + or - 0.3 dB
over a 10 octave range from 0.0009*nyquist to 0.9*nyquist. probably if i
were to do it over again, i'd make it 5 poles and 4 zeros.
r b-j
pbjrbj@viconet.com a.k.a. robert@audioheads.com
a.k.a. robert@wavemechanics.com
"Don't give in to the Dark Side. Boycott intel and microsoft."
======
Thanks to Robert Bristow-Johnson for the
-3dB/Octave filter details.
Although I have done some work with straightforward FIR filters, I
think really need to read C Britton Rorabaught's 2nd Ed "Digital
Filter Designers Handbook" (and learn more about the mathematics
that underlies much DSP) before I know how to implement such a
filter.
The idea of interpolating the lower octave noise sources rather
than straight "sample and hold" seems like a good approach to
reducing the glitches when several octave cycles are together.
Thanks Allan Herriman for the
Xilinx app note reference with the LFSR taps. There must be some
arcane theory for the longer ones, since they can't possibly have
been tested in this universe.
===============================================================
Robin Whittle rw@firstpr.com.au http://www.firstpr.com.au
Heidelberg Heights, Melbourne, Australia
First Principles Research and expression: music, Internet
music marketing, telecommunications, human
factors in technology adoption. Consumer
advocacy in telecommunications, especially
privacy. Consulting and technical writing.
Real World Electronics and software for music: eg.
Interfaces the Devil Fish mods for the TB-303.
===============================================================
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Date: Thu, 19 Nov 1998 16:37:56 +0100
From: Josep M Comajuncosas
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Subject: Another vocoder !
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Hi all,
here you have another 8-channel vocoder + string ensemble pad for you
enjoyment. Please send me any comments about it, spec. if you have
suggestions to improve it. I hope the message won=B4t be too long to reac=
h
you...
Josep M Comajuncosas
sr=3D 22050
kr =3D 441;22050
ksmps =3D 50;1
zakinit 10,10
instr 1; "Solina" String Ensemble as the carrier
kamp linen 1, 1,p3,1
kamp2 linen 1, 2,p3,1
kpitch init cpspch(p4)
alfo1 lfo .001,.8
alfo2 lfo .001,.56
abuzz1 buzz kamp, kpitch*(1+alfo1), sr/(2*kpitch), 1 ,0
asaw1 filter2 abuzz1, 1, 1, 1, -.95; weak bass response
abuzz2 buzz kamp, kpitch*(1-alfo2), sr/(2*kpitch), 1 ,0
asaw2 filter2 abuzz2, 1, 1, 1, -.95; weak bass response
abuzz3 buzz kamp2, 2*kpitch, sr/(4*kpitch), 1 ,0; 8th higher
asaw3 filter2 abuzz3, 1, 1, 1, -.999
amix =3D .25*(asaw1+asaw2+2*asaw3)
;add some chorus
adel1 lfo .01, .8
adel1 =3D .04*(1+adel1)
adel2 lfo .03, .7
adel2 =3D .04*(1+adel2)
adel3 lfo .02, .9
adel3 =3D .04*(1+adel3)
aflanger1 flanger amix, adel1, 0, .1
aflanger2 flanger amix, adel2, 0, .1
aflanger3 flanger amix, adel3, 0, .1
amix2 =3D .5*amix + .2*(aflanger1+aflanger2+aflanger3)
zawm amix2,0
;out amix2*4000
endin
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;=
;;;
instr 2; Another Analog Vocoder
;coded by Josep M Comajuncosas / Nov=B498
; features : 8 bands with assignable carrier & modulator inputs
; flexible routing with the zak system and selectable freq. with table
l.u.
; improved freq. response with the addition of an unvocoded hi.freq.
signal
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;=
;;;
;to get the most of this instrument
;record your voice slowly and clearly
;reduct noise, compress a lot and normalise
;adding reverb to your voice
;before vocoding can be really cool. Try it!
;routing table
irft =3D 2
;freq table
ichfft =3D 6
;modulator input
;assumes a 16-bit normalised input
amod soundin "d:\voice.wav"
amod =3D amod/32384
;carrier input
acarr zar 0
;channels freq. setup
if0 table 0,ichfft
if1 table 1,ichfft
if2 table 2,ichfft
if3 table 3,ichfft
if4 table 4,ichfft
if5 table 5,ichfft
if6 table 6,ichfft
if7 table 7,ichfft
if0 =3D cpspch(if0)
if1 =3D cpspch(if1)
if2 =3D cpspch(if2)
if3 =3D cpspch(if3)
if4 =3D cpspch(if4)
if5 =3D cpspch(if5)
if6 =3D cpspch(if6)
if7 =3D cpspch(if7)
;compute bandwidths
ibw1 =3D if2-if0
ibw2 =3D if3-if1
ibw3 =3D if4-if2
ibw4 =3D if5-if3
ibw5 =3D if6-if4
ibw6 =3D if7-if3
;analyse modulator
am0 tonex amod,if0,4
am1 resonx amod,if1,ibw1,4,1
am2 resonx amod,if2,ibw2,4,1
am3 resonx amod,if3,ibw3,4,1
am4 resonx amod,if4,ibw4,4,1
am5 resonx amod,if5,ibw5,4,1
am6 resonx amod,if6,ibw6,4,1
am7 atonex amod,if7,4
;get rms from each mod. band
krms0 rms am0, 5
krms1 rms am1, 5
krms2 rms am2, 5
krms3 rms am3, 5
krms4 rms am4, 5
krms5 rms am5, 5
krms6 rms am6, 5
krms7 rms am7, 5
;write rms to zak space
zkw krms0,0
zkw krms1,1
zkw krms2,2
zkw krms3,3
zkw krms4,4
zkw krms5,5
zkw krms6,6
zkw krms7,7
;analyse carrier
ac0 tonex acarr,if0,4
ac1 resonx acarr,if1,ibw1,4,1
ac2 resonx acarr,if2,ibw2,4,1
ac3 resonx acarr,if3,ibw3,4,1
ac4 resonx acarr,if4,ibw4,4,1
ac5 resonx acarr,if5,ibw5,4,1
ac6 resonx acarr,if6,ibw6,4,1
ac7 atonex acarr,if7,4
;routing setup
ir0 table 0,irft
ir1 table 1,irft
ir2 table 2,irft
ir3 table 3,irft
ir4 table 4,irft
ir5 table 5,irft
ir6 table 6,irft
ir7 table 7,irft
;band routing
krmsr0 zkr ir0
krmsr1 zkr ir1
krmsr2 zkr ir2
krmsr3 zkr ir3
krmsr4 zkr ir4
krmsr5 zkr ir5
krmsr6 zkr ir6
krmsr7 zkr ir7
;balance carrier w. mod. signal
ab0 gain ac0, krmsr0,5
ab1 gain ac1, krmsr1,5
ab2 gain ac2, krmsr2,5
ab3 gain ac3, krmsr3,5
ab4 gain ac4, krmsr4,5
ab5 gain ac5, krmsr5,5
ab6 gain ac6, krmsr6,5
ab7 gain ac7, krmsr7,5
;mix all balanced bands
; + some of the original 7th channel
;for better inteligibility
amix =3D .125*(ab0+ab1+ab2+ab3+ab4+ab5+ab6+ab7+.2*am7)
out amix*20000
zacl 0,0;clear before next pass
endin
f1 0 32768 10 1
;band routing : normal settings
f2 0 8 -2 0 1 2 3 4 5 6 7
;inverted settings
f3 0 8 -2 7 6 5 4 3 2 1 0
;random settings (you can even repeat a channel)
f4 0 8 -2 1 6 7 4 3 5 2 0
f5 0 8 -2 0 0 1 1 5 7 6 4
;vocoder band frequencies
;f6 0 8 -2 7.09 8.05 9.01 9.09 10.05 11.01 11.09 12.05 13.01
f6 0 8 -2 6.09 7.05 8.01 8.09 9.05 10.01 10.09 11.05 12.01
; a pentatonic modulation
;nice aural effect
i1 4 8 7.00 .4
i1 4 8 9.02 .2
i1 0 8 8.00 .24
i1 0 8 8.07 .42
i1 0 6 9.02 .23
i1 0 5 9.05 .41
i1 0 5 9.10 .14
i1 3 5 9.04 .46
i1 3 5 9.09 .29
i1 6 5 9.04 .86
i1 6 5 10.07 .67
i1 6 5 6.00 .36
i1 6 5 7.07 .82
i2 0 13
e
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From: jpff@maths.bath.ac.uk
To: troy@resophonic.com
CC: csound@maths.ex.ac.uk
In-reply-to: <36534094.645EF831@resophonic.com> (message from Troy Straszheim
on Wed, 18 Nov 1998 16:48:04 -0500)
Subject: Re: x-class noise opcodes
References: <36534094.645EF831@resophonic.com>
Date: Thu, 19 Nov 98 16:20:33 GMT
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As announced in the release notes, atrirand was renamed trirand to
avoid name polution.
Use of the -z command-line flag would have helped to see this.
==John
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Date: Thu, 19 Nov 1998 10:54:06 -0500
From: Troy Straszheim
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Organization: Resophonic Systems, Etc.
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To: jpff@maths.bath.ac.uk, csound@maths.ex.ac.uk
Subject: Re: x-class noise opcodes
References: <36534094.645EF831@resophonic.com>
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jpff@maths.bath.ac.uk wrote:
> As announced in the release notes, atrirand was renamed trirand to
> avoid name polution.
> Use of the -z command-line flag would have helped to see this.
> ==John
jpff@maths.bath.ac.uk wrote:
> As announced in the release notes, atrirand was renamed trirand to
> avoid name polution.
> Use of the -z command-line flag would have helped to see this.
> ==John
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Date: Thu, 19 Nov 1998 10:54:06 -0500
From: Troy Straszheim
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To: jpff@maths.bath.ac.uk, csound@maths.ex.ac.uk
Subject: Re: x-class noise opcodes
References: <36534094.645EF831@resophonic.com>
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jpff@maths.bath.ac.uk wrote:
> As announced in the release notes, atrirand was renamed trirand to
> avoid name polution.
> Use of the -z command-line flag would have helped to see this.
> ==John
jpff@maths.bath.ac.uk wrote:
> As announced in the release notes, atrirand was renamed trirand to
> avoid name polution.
> Use of the -z command-line flag would have helped to see this.
> ==John
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Date: Thu, 19 Nov 1998 20:49:31 +0000
To: "Pablo Silva-Escuela Nacional de Musica, UNAM"
From: vjs
Subject: Re: (off topic) Hard drive death and other MacOS 8.1 conundrums
Cc: csound@maths.ex.ac.uk
Sender: owner-csound-outgoing@maths.ex.ac.uk
Precedence: bulk
lots of reports of strange hard drive deaths using 8.5
8.1 is supposed to be completely stable
the first thing to try is updating the driver on your hard disk. If your
drive(s) is(are) Apple-supported, Drive Setup 1.5 will do this, otherwise
you will need to get hold of Charismac Anubis 3.0 or the latest version of
FWB HDT (I prefer the former)
the OS8.1 installer is supposed to update your drive automatically, but
sometimes it doesn't; if the drive is not Apple-supported, it can't but
doesn't always tell you about it. Also it won't necessarily update all the
drives attached to your machine, sometimes only the boot drive. There may
also be issues with drives attached to ultra-SCSI cards.
if all this does not work, it could be an old system utility going crazy.
hope this helps
good luck
vjs
by the way, please DO NOT use HFS+, it is still highly suspect. It would be
safer to partition drives or use Shrinkwrap disk images to store lots of
little files.
-----------------
>Hello Csounders:
>
>An urgent question...
>
>After experiencing my second catastrophic hard drive crash in a month
>yesterday night, I was wondering whether anyone here has had any trouble
>like this after upgrading to System 8.1?? The ironic part of this last
>crash was that I lost all my data and installs 10 minutes after verifying
>the integrity of my drive (old HFS) with Apple's First Aid utility (8.1
>too, of course...) Is there any problem with System 8.1 that people are
>aware of in regards to this? Something seems to be messing around
>seriously with the catalog and Btree files.
>
>And, does anyone here know if it is possible to install copy protection
>(for instance Max 3.5.8, system 8 disk) on the new HFS+ formatted drives
>safely??
>
>Thanks for the feedback
>
>Pablo Silva
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From: Grant Covell
To: 'vjs' ,
"Pablo Silva-Escuela Nacional de Musica, UNAM"
Cc: csound@maths.ex.ac.uk
Subject: RE: (off topic) Hard drive death and other MacOS 8.1 conundrums
Date: Thu, 19 Nov 1998 15:35:10 -0500
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Check out www.macintouch.com for the most comprehensive discussion of
MacOS 8.1, MacOS 8.5 issues and etc.
-----Original Message-----
From: vjs [mailto:vjs@mail.ndirect.co.uk]
Sent: Thursday, November 19, 1998 3:50 PM
To: Pablo Silva-Escuela Nacional de Musica, UNAM
Cc: csound@maths.ex.ac.uk
Subject: Re: (off topic) Hard drive death and other MacOS 8.1 conundrums
lots of reports of strange hard drive deaths using 8.5
8.1 is supposed to be completely stable
the first thing to try is updating the driver on your hard disk. If your
drive(s) is(are) Apple-supported, Drive Setup 1.5 will do this,
otherwise
you will need to get hold of Charismac Anubis 3.0 or the latest version
of
FWB HDT (I prefer the former)
the OS8.1 installer is supposed to update your drive automatically, but
sometimes it doesn't; if the drive is not Apple-supported, it can't but
doesn't always tell you about it. Also it won't necessarily update all
the
drives attached to your machine, sometimes only the boot drive. There
may
also be issues with drives attached to ultra-SCSI cards.
if all this does not work, it could be an old system utility going
crazy.
hope this helps
good luck
vjs
by the way, please DO NOT use HFS+, it is still highly suspect. It would
be
safer to partition drives or use Shrinkwrap disk images to store lots of
little files.
-----------------
>Hello Csounders:
>
>An urgent question...
>
>After experiencing my second catastrophic hard drive crash in a month
>yesterday night, I was wondering whether anyone here has had any
trouble
>like this after upgrading to System 8.1?? The ironic part of this last
>crash was that I lost all my data and installs 10 minutes after
verifying
>the integrity of my drive (old HFS) with Apple's First Aid utility (8.1
>too, of course...) Is there any problem with System 8.1 that people are
>aware of in regards to this? Something seems to be messing around
>seriously with the catalog and Btree files.
>
>And, does anyone here know if it is possible to install copy protection
>(for instance Max 3.5.8, system 8 disk) on the new HFS+ formatted
drives
>safely??
>
>Thanks for the feedback
>
>Pablo Silva
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Date: Thu, 19 Nov 1998 15:09:15 -0600 (CST)
From: Jeremiah Thomas Isaacs
To: csound@maths.ex.ac.uk
Subject: hello, and questions
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ok, ive been off of the list a bit, and now im back, and yet still dont
have a machine im willing to run csound on. this will be remedied soon,
so im back again. hi.
since i last was here, there have been some decent steps in mac processing
power. what level of realtime performance has been accomplished on the
newer g3 macs? and is there a big difference in performance from the
604e-s to the g3 processors?
also, anyone using linuxppc and macos for csound? ive heard rumors of
linuxppc being much faster at some things (than MacOS) on the same
hardware.
AND, did that MIT press book ever come out? if so where can i get it?
(from what i read/remember, i really wanted it..)
thanks, jeremiah
#!/bin/magic-shell
jti0001@jove.acs.unt.edu
http://people.unt.edu/~jti0001
"who hath the How, is careless of the Why"
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Date: Thu, 19 Nov 1998 18:47:32 -0600 (CST)
From: "Pablo Silva-Escuela Nacional de Musica, UNAM"
To: Jeremiah Thomas Isaacs
cc: csound@maths.ex.ac.uk
Subject: Re: hello, and questions
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Hello:
On Thu, 19 Nov 1998, Jeremiah Thomas Isaacs wrote:
> since i last was here, there have been some decent steps in mac processin=
g
> power. what level of realtime performance has been accomplished on the
> newer g3 macs? and is there a big difference in performance from the
> 604e-s to the g3 processors?
In my own experience, things run on the average twice as fast on the 266
desktop G3, though I must say that my 604 machine is a rather slow one. As
an example, I run 30 seconds=B4 worth of a light density granular synthesis
score in about 35 seconds. I=B4m not using the grain/granule opcodes though=
,
because they run too slowly for what I need. And, I still can=B4t manage to
get to realtime, though this must be because I insist on working at
44100/4410 for sr/kr. Maybe other people have had different experiences?
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From: Hans Mikelson
To: Csound , Christian Guirreri
Subject: Re: EQ Filters Orc/Sco
Date: Thu, 19 Nov 1998 19:22:07 -0600
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>why won't these work with WinCSound? Do they require a specific
>version or format ?
biquad was introduced with 3.49 I think (3.491?).
Bye,
Hans Mikelson
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Date: Fri, 20 Nov 1998 08:17:28 +0200
From: Matti Koskinen
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Subject: Pluck broken?
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hello
the following orch+sco, generated by HPKComposer makes
Linux-csound 3.490d segfault in pluck. Another orch,
almost equal to this except before pluck-opcode was oscil,
worked ok. Also i tried just a simple pluck without anything
else and that worked too. I don't have the newest winsound,
so I don't know about that.
Sorry for a long post.
-matti
mjkoskin@sci.fi
Orch------------------------------
; General settings
sr = 22050
kr = 2205
ksmps = 10
nchnls = 2
gaefbusl0 init 0
gaefbusr0 init 0
gain10 init 0
gain20 init 0
gifeed0 init .5
gilp10 init 1/10
gilp20 init 1/23
gilp30 init 1/41
giroll0 init 3000
gaefbusl1 init 0
gaefbusr1 init 0
gain11 init 0
gain21 init 0
gifeed1 init .5
gilp11 init 1/10
gilp21 init 1/23
gilp31 init 1/41
giroll1 init 3000
gaefbusl2 init 0
gaefbusr2 init 0
gain12 init 0
gain22 init 0
gifeed2 init .5
gilp12 init 1/10
gilp22 init 1/23
gilp32 init 1/41
giroll2 init 3000
gaefbusl3 init 0
gaefbusr3 init 0
gain13 init 0
gain23 init 0
gifeed3 init .5
gilp13 init 1/10
gilp23 init 1/23
gilp33 init 1/41
giroll3 init 3000
; Instruments definitions
instr 1
;
ic0 = p6
ic1 = p7
ic2 = p8
ic3 = p9
ic4 = p10
ic5 = p11
ic6 = p12
ic7 = p13
ic8 = p14
ic9 = p15
ic10 = p16
ic11 = p17
ic12 = p18
ic13 = p19
ic14 = p20
ic15 = p21
kdclick linseg 0, .002, 1, p3-.004, 1, .002, 0 ; Declick
ipitch = cpspch(p4) ; Convert to frequency
; Sound source 1 Pluck
iamp = 1.0
itune1 = ic0
ipitch1 = ipitch + ic0
; Pitch control section
kctrl = 0
kmod = kctrl
; Modulator 1
kmodul1 = 0
; Modulator 2
kmodul2 = 0
; Pluck
kfco = (kmodul1 *1.0)
kfco = kfco + (kmodul2 *1.5)
kamp = 1
ifqcp = ipitch1
kmod = ifqcp + kmod + kfco
kampp linseg 0, .002, iamp, (p3-.002)*9/10, iamp, (p3-.002)/10, 0 ;
Declick
aout1 pluck kampp * kamp, kmod, ifqcp, 0, 1 ; Pluck waveguide
model
aout2 = 0
; Transformers
asig = 0
; final mix and effect routing
; direct sources output
aoutmixd = 1.0 * aout1
; xform signal
aoutmixx = asig * 1.0
; mix direct out and xform signal
aoutmix = ( aoutmixd + aoutmixx ) * kdclick
; pan and output
kpanl tablei 0.5,2,1
kpanr tablei 1.0-0.5,2,1
aoutmixl = aoutmix * kpanl * p5
aoutmixr = aoutmix * kpanr * p5
gaefbusl0 = gaefbusl0 + aoutmixl * 1.0
gaefbusr0 = gaefbusr0 + aoutmixr * 1.0
outs aoutmixl * 1.0, aoutmixr * 1.0
endin
instr 100
asigl = gaefbusl0
asigr = gaefbusr0
inputdur = 4.0
iatk = 0.5
idk = .01
idecay = .01
ioutsust = p3-idecay
idur = inputdur-(iatk+idk)
isust = p3-(iatk+idur+idk)
iorig = 0.5
irev = 1.0-iorig
igain = 1.0
kclean linseg 0,iatk,igain,idur,igain,idk,0,isust,0
kout linseg 1,ioutsust,1,idecay,0
ain1 = asigl
ain2 = asigr
ain1 = ain1*kclean
ain2 = ain2*kclean
ajunk alpass ain1,1.7,.1
aleft alpass ajunk,1.01,.07
ajunk alpass ain2,1.5,.2
aright alpass ajunk,1.33,.05
kdel1 randi .01,1,.666
kdel1 =kdel1 + .1
addl1 delayr .3
afeed1 deltapi kdel1
afeed1 = afeed1 + gifeed0*aleft
delayw aleft
kdel2 randi .01,.95,.777
kdel2 = kdel2 + .1
addl2 delayr .3
afeed2 deltapi kdel2
afeed2 = afeed2 + gifeed0*aright
delayw aright
aglobin = (afeed1+afeed2)*.05
atap1 comb aglobin,3.3,gilp10
atap2 comb aglobin,3.3,gilp20
atap3 comb aglobin,3.3,gilp30
aglobrev alpass atap1+atap2+atap3,2.6,.085
aglobrev tone aglobrev,giroll0
kdel3 randi .003,1,.888
kdel3 =kdel3 + .05
addl3 delayr .2
agr1 deltapi kdel3
delayw aglobrev
kdel4 randi .003,1,.999
kdel4 =kdel4 + .05
addl4 delayr .2
agr2 deltapi kdel4
delayw aglobrev
arevl = agr1+afeed1
arevr = agr2+afeed2
aoutl = (ain1*iorig)+(arevl*irev)
aoutr = (ain2*iorig)+(arevr*irev)
asigl = aoutl*kout
asigr = aoutr*kout
asigl = asigl * (69/100)
asigr = asigr * (69/100)
outs asigl, asigr
gaefbusl0 = 0
gaefbusr0 = 0
endin
Score-----------------------------------
f10 0 512 7 0 12 .99 500 0
f11 0 512 7 0 12 .99 500 0
f1 0 8192 19 1 1 270 1
f2 0 1025 9 .25 1 0
f3 0 65536 10 1
; Structure 1
i1 0.0 1.0 8.9 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 0.0 1.0 0.7002 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 1.0 1.0 5.3803 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 1.0 1.0 0.6157 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 2.0 1.0 6.342 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 2.0 1.0 0.7255 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 3.0 1.0 8.4779 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 3.0 1.0 0.6459 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 4.0 1.0 6.7705 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i1 4.0 1.0 0.9416 16000.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
i100 0 5.0
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Date: Fri, 20 Nov 1998 02:06:00 -0500
To: CsoundList
From: "Dr. Richard Boulanger"
Subject: The Csound Front Page
Dear Friends and Colleagues,
The Csound Book is coming (MIT Press tell me - June 4, 1999),
but today the Csound FrontPage has arrived!
With preliminary input from the Csound Faq Team of Rasmus Ekman
, Marc Resibois and tolve
plus the blessings and selected bits from Martin Dupras'
Csound Page and the hundreds of hours of html design and programming plus
much actual editing and authoring work of my most incredible and wonderful
assistant - Jacob Joaquin, I proudly present to you
http://mitpress.mit.edu/e-books/csound/frontpage.html
(I will brag even more about my assistant Jacob's work in Csound Sound
Design, Csound Tutorial Design and HTML Design as we get closer to
releasing the Csound Book. A number of you have gotten to see the CD-ROM
he is building for the book at the recent ICMC and you can testify that he
is building a truly beautiful complement to the Book itself.)
At Present, our Csound Front Page is just a first step, but hopefully each
of you will find some part of it useful. Jacob and I intend to continue
adding to it, developing it and most importantly... maintaining it. Your
input and suggestions will be invaluable. Please contribute and tell your
friends, colleagues, your societies and organizations that this is THE
Csound Page to which they should be linked!
Yours Sincerely,
Richard Boulanger
p.s. Thanks also to MIT Press for hosting the page and for their input
into it's design and content.
==================
Dr. Richard Boulanger
Professor - Music Synthesis Department
Berklee College of Music
1140 Boylston Street - Boston, MA 02215-3693
Office Phone: (617) 747-2485 Office Fax: (617) 536-2257
==========================================
Email: radiobaton@earthlink.net
URL: http://home.earthlink.net/~radiobaton/
==========================================
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Date: Fri, 20 Nov 1998 02:06:00 -0500
To: CsoundList
From: "Dr. Richard Boulanger"
Subject: The Csound Front Page
Sender: owner-csound-outgoing@maths.ex.ac.uk
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Dear Friends and Colleagues,
The Csound Book is coming (MIT Press tell me - June 4, 1999),
but today the Csound FrontPage has arrived!
With preliminary input from the Csound Faq Team of Rasmus Ekman
, Marc Resibois and tolve
plus the blessings and selected bits from Martin Dupras'
Csound Page and the hundreds of hours of html design and programming plus
much actual editing and authoring work of my most incredible and wonderful
assistant - Jacob Joaquin, I proudly present to you
http://mitpress.mit.edu/e-books/csound/frontpage.html
(I will brag even more about my assistant Jacob's work in Csound Sound
Design, Csound Tutorial Design and HTML Design as we get closer to
releasing the Csound Book. A number of you have gotten to see the CD-ROM
he is building for the book at the recent ICMC and you can testify that he
is building a truly beautiful complement to the Book itself.)
At Present, our Csound Front Page is just a first step, but hopefully each
of you will find some part of it useful. Jacob and I intend to continue
adding to it, developing it and most importantly... maintaining it. Your
input and suggestions will be invaluable. Please contribute and tell your
friends, colleagues, your societies and organizations that this is THE
Csound Page to which they should be linked!
Yours Sincerely,
Richard Boulanger
p.s. Thanks also to MIT Press for hosting the page and for their input
into it's design and content.
==================
Dr. Richard Boulanger
Professor - Music Synthesis Department
Berklee College of Music
1140 Boylston Street - Boston, MA 02215-3693
Office Phone: (617) 747-2485 Office Fax: (617) 536-2257
==========================================
Email: radiobaton@earthlink.net
URL: http://home.earthlink.net/~radiobaton/
==========================================
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Date: Fri, 20 Nov 1998 02:00:12 -0600
To: CsoundList
From: =cw4t7abs
Subject: Re: The Csound Front Page
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>that this is THE
>Csound Page to which they should be linked!
error : THE : no such objekt !n d!rektor!
error : should : no such objekt !n d!rektor!
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Date: Fri, 20 Nov 1998 09:23:22 +0100
From: Riccardo Bianchini
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Subject: Conservatorio "S.Cecilia" Home Page
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The Conservatorio "S.Cecilia" in Rome (Italy) has a Web Home Page at the
URL
http://space.tin.it/musica/ilipc
If you want to go directly to the Scuola di Musica Elettronica (Computer
Music Studio) page (italian and english), the URL is
http://space.tin.it/musica/ilipc/sme.html
Comments and suggestions are welcome.
--
Riccardo Bianchini, Composer
Professor, Scuola di Musica Elettronica
Conservatorio "S.Cecilia", Roma (Italy)
http://www.geocities.com/Heartland/Acres/4768
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Date: Fri, 20 Nov 1998 09:52:19 +0100
From: Gabriel Maldonado
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Dear JPFF,
Are (or will be) 'schedule' and 'schedwhen' compatible with the 'kargc' family of opcodes,
which allow k-rate and a-rate argument passing and returning? There is a difference in
behaviour beetween 'schedule' and 'icall' & company?
Gab
jpff@maths.bath.ac.uk wrote:
>
> Message written at 18 Nov 1998 11:07:11 +0000
> --- Copy of mail to gelida@intercom.es ---
>
> >>>>> "J" == Josep M Comajuncosas writes:
>
> J> Im afraid I cannot understand the way your opcodes
>
> J> schedule inst, iwhen, idur, ....
> J> schedwhen ktrigger, kinst, kwhen, kdur, ....
>
> J> are supposed to work.
> J> schedule always triggers the instrument when it is called, no matter the
> J> iwhen parameter. Also, if I put a schedule opcode inside a timout/reinit
> J> statement to trigger an instrument several times strange things happen: it
> J> seems that from the third activated event they are not turn off after idur.
> J> Schedwhen seems even more strange to me, as it hangs Csound when ktrigger >
> J> 0 , no matter kwhen.
> J> Any help would be greatly welcome!! Im very excited with these new opcodes!
>
> Bugs apart, schedule adds a new score event so
> schedule inst, iwhen, idur, ....
>
> is like adding
>
> i instr when+p2 idur ...
>
> to the score
>
> schedwhen is sort of the same except at k-rate the value of ktrigger
> is tested and the first time it is zero (if ever) and event is added.
>
> I will admit that although I had tested them when i attempted to use
> one of these in a composition last weekend something broke, but i was
> so excited by the music that I did not check the program. It is on
> the list of things to do.
>
> wrt reinit I have not thought about that at all. I must think about
> it; I suspect i wrote it on the assumption that they could only kick
> in once. Humm...
>
> ==John ffitch
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
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Date: Fri, 20 Nov 1998 09:52:19 +0100
From: Gabriel Maldonado
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Dear JPFF,
Are (or will be) 'schedule' and 'schedwhen' compatible with the 'kargc' family of opcodes,
which allow k-rate and a-rate argument passing and returning? There is a difference in
behaviour beetween 'schedule' and 'icall' & company?
Gab
jpff@maths.bath.ac.uk wrote:
>
> Message written at 18 Nov 1998 11:07:11 +0000
> --- Copy of mail to gelida@intercom.es ---
>
> >>>>> "J" == Josep M Comajuncosas writes:
>
> J> Im afraid I cannot understand the way your opcodes
>
> J> schedule inst, iwhen, idur, ....
> J> schedwhen ktrigger, kinst, kwhen, kdur, ....
>
> J> are supposed to work.
> J> schedule always triggers the instrument when it is called, no matter the
> J> iwhen parameter. Also, if I put a schedule opcode inside a timout/reinit
> J> statement to trigger an instrument several times strange things happen: it
> J> seems that from the third activated event they are not turn off after idur.
> J> Schedwhen seems even more strange to me, as it hangs Csound when ktrigger >
> J> 0 , no matter kwhen.
> J> Any help would be greatly welcome!! Im very excited with these new opcodes!
>
> Bugs apart, schedule adds a new score event so
> schedule inst, iwhen, idur, ....
>
> is like adding
>
> i instr when+p2 idur ...
>
> to the score
>
> schedwhen is sort of the same except at k-rate the value of ktrigger
> is tested and the first time it is zero (if ever) and event is added.
>
> I will admit that although I had tested them when i attempted to use
> one of these in a composition last weekend something broke, but i was
> so excited by the music that I did not check the program. It is on
> the list of things to do.
>
> wrt reinit I have not thought about that at all. I must think about
> it; I suspect i wrote it on the assumption that they could only kick
> in once. Humm...
>
> ==John ffitch
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
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Date: Fri, 20 Nov 1998 10:10:41 +0100
From: Gabriel Maldonado
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To: "Pablo Silva-Escuela Nacional de Musica, UNAM"
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Subject: Re: hello, and questions
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I'm curious about realtime performance of Csound on Mac.
Whith my Pentium II 400 I can get over 200 oscili + envelopes running at =
the same time in
stereo, sr=3D44100 and kr=3D441, under Win95, with a very very low latenc=
y (allowing to play
Csound via MIDI as it would be a piano).
Do some Mac user have a performance report of the latest G3 in realtime?
Happy Csounding!
--=20
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
Pablo Silva-Escuela Nacional de Musica, UNAM wrote:
>=20
> Hello:
>=20
> On Thu, 19 Nov 1998, Jeremiah Thomas Isaacs wrote:
>=20
> > since i last was here, there have been some decent steps in mac proce=
ssing
> > power. what level of realtime performance has been accomplished on t=
he
> > newer g3 macs? and is there a big difference in performance from the
> > 604e-s to the g3 processors?
>=20
> In my own experience, things run on the average twice as fast on the 26=
6
> desktop G3, though I must say that my 604 machine is a rather slow one.=
As
> an example, I run 30 seconds=B4 worth of a light density granular synth=
esis
> score in about 35 seconds. I=B4m not using the grain/granule opcodes th=
ough,
> because they run too slowly for what I need. And, I still can=B4t manag=
e to
> get to realtime, though this must be because I insist on working at
> 44100/4410 for sr/kr. Maybe other people have had different experiences=
?
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Date: Fri, 20 Nov 1998 13:05:14 +0100
From: Josep M Comajuncosas
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Dr. Richard Boulanger wrote:
> The Csound Book is coming (MIT Press tell me - June 4, 1999),
> but today the Csound FrontPage has arrived!
Hmmm at last ... congratulations for you effort!
Josep M Comajuncosas
|