| Perhaps your problem is that 8.00 is the reference frequency I set
from which all is calculated?
==John
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Date: Mon, 06 Sep 1999 09:54:41 -0400
From: Dave Phillips
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Greetings:
I thought this message should be forwarded to the Csound list. I've
not verified the problem or this solution, but Eric knows his stuff...
== Dave Phillips
http://www.bright.net/~dlphilp/index.html
http://sunsite.univie.ac.at/Linux-soundapp/linux_soundapps.html
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From: est@hyperreal.org
Subject: [CUD] Re: [linux-audio-dev] linux csound real-time input
In-Reply-To: <19990905005820.25319.qmail@hyperreal.org> from "est@hyperreal.org"
at "Sep 4, 1999 05:58:20 pm"
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linux-audio-dev@ginette.musique.umontreal.ca
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est@hyperreal.org discourseth:
>
> Also, I haven't been able to get -L to work at all. Trying it with
> `cat >&3| csound -odac -L /dev/fd/3 foo.orc' or on a fifo I get:
>
> can't reopen (null)
OK, the following patch seems to fix *this* problem:
--- musmon.c~ Thu Aug 12 00:59:58 1999
+++ musmon.c Sun Sep 5 15:56:06 1999
@@ -221,7 +221,7 @@
if (O.Beatmode) /* if performing from beats */
settempo((FLOAT)O.cmdTempo); /* set the initial tempo */
- /*if (!O.RTevents)*/ { /* *************** */
+ if (!O.Linein) { /* *************** */
if (!(scfp = fopen(O.playscore, "r")))
dies(Str(X_649,"cannot reopen %s"), O.playscore);
}
Eric
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From: Tobiah
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Subject: Starting Csound sound...
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Ever get tired of opening an editor buffer and starting:
sr = 44100
kr = .....
Blah blah blah.
Takes minutes before you get your first beep out of Csound.
I finally wrote a little script that automates the tedious part.
I call it 'cs' and put it in /usr/local/script. You give it
an argument which is the name of a directory that it will create.
It puts a basic orc and sco inside with a Makefile that will generate
a beep.
So if you have a quick idea to try out with csound, it is very fast
to just go:
cs foo
and then go into foo and tweek the vanilla orc and sco.
####################### CUT HERE #############################
mkdir $1
cd $1
cat << END > orc
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
gasig init 0
instr 1
;***** INITIALIZE *****
imvol init 1
ibegin init p2
idur init p3
ivol init p4
ipitch init p5
ifront init .1
iback init idur - ifront
;***** INSTRUMENT *****
aenv linseg 0, ifront, 1, iback, 0
asig oscil ivol, ipitch, 1
asig = asig * aenv * imvol
gasig = gasig + asig
endin
instr 99
irevamt init .1
ihidec init .5
arev reverb2 gasig, 10, ihidec
asig = gasig * (1 - irevamt) + arev * irevamt
out asig
gasig = 0
endin
END
cat << END2 > Makefile
OUTFILE = \$\$SFDIR/test
#OUTFILE = dac
CSFLAGS = -R -W -d -o \$(OUTFILE)
\$(OUTFILE) : orc sco
csound \$(CSFLAGS) orc sco
END2
cat << END3 > sco
f1 0 65536 10 1 .8 .6 .4 .2 .1
i1 0 3 10000 440
i99 0 4
END3
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In-reply-to: <37D343FA.60F416CA@ulster.net> (message from Paul Winkler on Mon,
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Subject: Re: b statement confusion
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Yes I use b regularly and successfully
But then it was my idea
==John
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Date: 06 Sep 1999 13:07:35 EDT
From: Eric Lyon
Subject: Csound as filter
To: Csound List
Cc: Paul Winkler
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Paul Winkler wrote:
>>
What about storing the length of input in an
environment variable?
let's use the hypothetical scripts "flanger" and "echo".
You might call them like this:
flanger -i input.wav | echo -o output.wav
Here's what happens:
1. "flanger" sees that it has the "-i input.wav" arguments and =
decides
that it must call sndinfo, parse the result to find lenght of =
input.wav.
2. Length in sec. is stored in environment as $WAVLENGTH
3. echo sees that it does not have a "-i" argument and thus assumes =
its
input is from stdin. So it looks to $WAVLENGTH for the duration to =
use.
It also modifies $WAVLENGTH if it will be changing the length. This =
is
so subsequent filters in the pipe get the new length correct.
>>
Another approach is to concatenate the processes directly into a =
new
Csound orc, thus obviating the need to pass the samples through a =
pipe.
Then you can mix and match your processes at will and have =
documentation
in synthetic orcs which you could also use for live processing. =
(See http://arcana.dartmouth.edu/cgi-bin/eric/CPROC/index.cgi
for an example.)
I don't understand why Csound would require a duration parameter if =
it is reading
samples from stdin. At most, duration should be an optional =
parameter to limit how
many samples are processed.
Eric Lyon
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Subject: Re: Starting Csound sound...
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I use PFEdit on windows/dos platform. It's very easy to create standard the
csound "templates" that you're talking about. Also you can map the function
keys to start and pass the file.CSD to any version of Csound you have installed!
PFedit is my Csound "shell" - it's a small FREE editor that's very easily
customisable with straightforward help.
You can get it at: http:/www.lancs.ac.uk/people/cpaap/pfe
!M
|