| Hi folks,
I think there night be one reason for MIDI out in Csound:
Controlling non-musical equipment like light, image etc.
I think it would be nice to have the possibility of light control.
The score is deterministic, but if you use instruments with random opcodes
and communicate the resulting values to other instruments by global
variables (bad way, I know), you can do non-deterministic algorithmic
composition with Csound and so you might even have non-deterministic light
control. Simlply sync-ing is
not enough is this case.
Any other opinions about that?
joerg
(Joerg.Spix@informatik.uni-oldenburg.de)
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Date: Mon, 7 Apr 1997 15:37:54 -0700 (PDT)
From: Mike Berry
To: Joerg Spix
Cc: csound@maths.ex.ac.uk
Subject: Re: MIDI out fir Csound
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I still think its better to control both csound and the lights
from some other program.
Mike Berry
mikeb@mills.edu
http://www.mills.edu/PEOPLE/gr.pages/mikeb.public.html/mikeb.homepage.html
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Date: Mon, 7 Apr 1997 17:43:44 -0500 (CDT)
From: Micheal Allen Thompson
To: Joerg Spix
Cc: csound@maths.ex.ac.uk
Subject: Re: MIDI out fir Csound
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TRUE.... Interesting idea....
Michael
On Mon, 7 Apr 1997, Joerg Spix wrote:
> Hi folks,
>
> I think there night be one reason for MIDI out in Csound:
>
> Controlling non-musical equipment like light, image etc.
>
> I think it would be nice to have the possibility of light control.
>
> The score is deterministic, but if you use instruments with random opcodes
> and communicate the resulting values to other instruments by global
> variables (bad way, I know), you can do non-deterministic algorithmic
> composition with Csound and so you might even have non-deterministic light
> control. Simlply sync-ing is
> not enough is this case.
>
> Any other opinions about that?
>
> joerg
>
>
> (Joerg.Spix@informatik.uni-oldenburg.de)
>
>
>
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Greetings,
Has anyone recently compiled an linux elf version of csound
with all the latest? (soundin2, soundinew, etc...) One that can
output to -odac? I don't see this release on bath.
Thanks,
_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
John Boyd (jboyd@protozoa.com)
Lasciate ogni speranza voi che entrate.
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
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From: Arne Hanna
Subject: Mathematica
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If anyone could provide the URL for the Mathematica composition system, I
would be very grateful.
Cheers
Arne
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If anyone could provide the URL for the Mathematica composition system, I
would be very grateful.
Cheers
Arne
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Greetings,
Has anyone recently compiled an linux elf version of csound
with all the latest? (soundin2, soundinew, etc...) One that can
output to -odac? I don't see this release on bath.
Thanks,
_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
John Boyd (jboyd@protozoa.com)
Lasciate ogni speranza voi che entrate.
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
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Date: Mon, 7 Apr 1997 21:31:01 -0500
To: csound@maths.ex.ac.uk
From: tolve
Subject: intuitive volume control?
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i see at least three methods of referring to volume in csound.
first amplitude: measured in what?
sound intensity measured in decibels: a bit more intuitive for my purposes,
but different frequencies at the same decibel level do not sound equally
loud. (i've been listening and reading)
Score
; volume
f1 0 8192 10 1
is that 1 underneath volume, 100% of a sone, the measured level of
subjective loudness?
hmm. any chance i can use sones to express volume within the envelopes in
my orc?
please explain as simply as possible. but any response would be most
welcome. i seek the surest method to allow my eyes to hear the numbers on
the page.
yours,
tolve
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Date: Mon, 07 Apr 1997 23:08:38 -0400
From: Gregory Boduch
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tolve wrote:
[...]
> but different frequencies at the same decibel level do not sound > equally loud. (i've been listening and reading)
>
> please explain as simply as possible. but any response would be most
> welcome.
[...]
See "Elements of Computer Music," by F. Richard Moore, page 21, for a
discussion of subjective loudness. You will find a formula there,
L = C * (I^1/3). It can be implemented in the form
IL = 10 * ( ln ( ( ( sones / Hz )^3 ) / 10^-12 ) / ln 10 ), for
example:
;-------sonetest.orc---------------------------
sr=44100
kr=441
ksmps=100
nchnls=2
instr 1
ifq=cpspch(p4+4)
isones=p5
asones expseg .1,.1,isones,p3-.11,isones,.01,.1
ares1 apow asones/ifq, 3, 1
ires2 ipow 10,-12
adb=10*((log((ares1)/ires2))/log(10))
ampenv=ampdb(adb)
amp=ampenv
asig oscili amp,ifq,1
outs asig, asig
endin
;------------sonetest.sco-------------------------------
f1 0 1024 10 1
;sones --- !According to the equation these might sound equally loud!
i1 0 1 1.00 2.816
i1 1.5 1 2.00
i1 3 1 3.00
i1 4.5 1 4.00
i1 6 1 5.00
i1 7.5 1 6.00
i1 9 1 7.00
i1 10 1 8.00
e
You will not get satisfactory results, however, because of the nonlinear
response of the ear, nonflat frequency response of your sound system,
and because the formula is an approximation.
GB
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From: Michael Pelz-Sherman
Date: Thu, 7 Apr 94 22:44:11 -0600
To: gb141@columbia.edu
Subject: Re: intuitive volume control?
Cc: csound@maths.ex.ac.uk
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> You will not get satisfactory results, however, because of
> the nonlinear response of the ear, nonflat frequency response
> of your sound system, and because the formula is an
> approximation.
Yes, the well-known "Fletcher-Munson" curves are anything *but* linear! The ear is MUCH more sensitive to frequencies
around 1 KHz. This is why you have "loudness" controls on most home stereos - they boost the bass and treble range to
give you more *perceived* loudness without actually increasing amplitude that much.
This whole issue gets *really* hairy when you start dealing with complex waveforms instead of sine waves. Bottom
line: you simply can't "read" a Csound score! Get a fast machine & a really good set of headphones, and let your ears
be the judge.
- mps
Begin forwarded message:
Date: Mon, 07 Apr 1997 23:08:38 -0400
From: Gregory Boduch
Reply-To: gb141@columbia.edu
Organization: but different frequencies at the same decibel level do not sound > equally loud. (i've been listening and reading)
>
> please explain as simply as possible. but any response would be most
> welcome.
[...]
See "Elements of Computer Music," by F. Richard Moore, page 21, for a
discussion of subjective loudness. You will find a formula there,
L = C * (I^1/3). It can be implemented in the form
IL = 10 * ( ln ( ( ( sones / Hz )^3 ) / 10^-12 ) / ln 10 ), for
example:
;-------sonetest.orc---------------------------
sr=44100
kr=441
ksmps=100
nchnls=2
instr 1
ifq=cpspch(p4+4)
isones=p5
asones expseg .1,.1,isones,p3-.11,isones,.01,.1
ares1 apow asones/ifq, 3, 1
ires2 ipow 10,-12
adb=10*((log((ares1)/ires2))/log(10))
ampenv=ampdb(adb)
amp=ampenv
asig oscili amp,ifq,1
outs asig, asig
endin
;------------sonetest.sco-------------------------------
f1 0 1024 10 1
;sones --- !According to the equation these might sound equally loud!
i1 0 1 1.00 2.816
i1 1.5 1 2.00
i1 3 1 3.00
i1 4.5 1 4.00
i1 6 1 5.00
i1 7.5 1 6.00
i1 9 1 7.00
i1 10 1 8.00
e
You will not get satisfactory results, however, because of the nonlinear
response of the ear, nonflat frequency response of your sound system,
and because the formula is an approximation.
GB
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Date: Mon, 07 Apr 1997 18:55:27 +0200
From: Gabriel Maldonado
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To: Robin Whittle
Cc: Csound Mailing List
Subject: Re: Realtime MIDI Csound: New midi OUT opcodes
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Dear Robin,
you wrote:
> Regarding MIDI Out in real-time from Csound,
> I think this would be useful ...
> .......................................
> This is primarily because I am interested in using "generative"
> "compositional" approaches, and because I want to do this from Csound
> and use analogue synthesiser sounds too.
Thanks for the encouragement. I think I will make a unique version in
which MIDI OUT and/or AUDIO OUT can be optionally be disabled by
command line flags, if a particualr use requires it.
bye and happy csounding
--
Gabriel Maldonado
mailto:g.maldonado@agora.stm.it
http://www.agora.stm.it/G.Maldonado/home2.htm
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Date: Mon, 07 Apr 1997 18:55:13 +0200
From: Gabriel Maldonado
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To: Larry Troxler ,
Micheal Allen Thompson
Cc: Csound Mailing List
Subject: Re: Realtime MIDI Csound: New midi OUT opcodes
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Micheal Allen Thompson wrote:
> Well, there was the free CMU toolkit for Macintosh and unix. I think
> people still use it but I dont know the version or whatever. It is
> completely open ended and you could code until you cant code anymore all
> of your home grown midi processes. On the PC the only thing that I know
> of are small algo type programs in shareware form. I would think that
> you would do better to code your own midi app instead of dealing with
> csound and real-time midi control. I dont know.... maybe take the midi
> sources from csound and roll your own app from them.... not my idea of
> fun but..... Common music has all of this already and runs on many
> platforms....
Larry Troxler wrote:
> I'm afraid I have to agree with the other opinions - MIDI out on csound
> doesn't make sense! If you want to do algorithmic music generation, there
> are much better tools for the job - KeyKit, Common Music, Max, Moxie, etc.
I will implement it anyway in next version. New UGs will not compromise
normal behaviour of realtime Csound, so, if you aren't interested in
MIDI OUT UGs simply ignore them.
Best.
--
Gabriel Maldonado
mailto:g.maldonado@agora.stm.it
http://www.agora.stm.it/G.Maldonado/home2.htm
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From: omni
To: csound@maths.ex.ac.uk
Subject: LPC on Csound
Date: Tue, 8 Apr 97 12:12:45
Comment: Turkce karekter filtresinden gecirildi.
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Dear Sirs,
I have some difficulties with LPC on Csound.
The csound manual doesn't help me much,so I couldn't gather my theory with
Csound LPC commands.
We know the traditional LPC definition is y(n)=x(n)+sigma(i=1,M)bi*y(n-i)
So far as I understand, x(n) is here the "asig" argument for lpreson .
But what use have the krmsr,krmso,kerr,kcps parameters of lpread and how do we
use them. It will be very helpful for me,if someone mails me also an example
.orc and
.sco.
Thanks for your interest.
Best regards,
Sinan Boekesoy
E-mail:omni@doruk.com.tr
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From: Peter Kearton
Organization: Psychology Dept, Surrey Univ. U.K.
To: csound@maths.ex.ac.uk
Date: Tue, 8 Apr 1997 12:38:21 GMT
Subject: HRTFs on PC
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Hi again,
This is just a request for information on whether the HRTFs
opcode that John fixed for PCs is included in Csound for PC on the
Bath server yet,
Thanks,
Pete Kearton
*************************************************
Peter Kearton,
University of Surrey Psychology Department,
Guildford,
United Kingdom.
GU2 5XH
Tel. UK (01483) 300800 Ext.3346
e-mail - P.kearton@surrey.ac.uk
*************************************************
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