| Message written at 12 Jan 1999 10:11:59 +0000
> *The /* */ comment has not worked for me with more
> than one line( neither on mac nor windows). The text between is
> debugged.
This one is my fault. i have some suggestions from re (I think) but I
have not had time/energy to investigate
> *One thing I currently miss in csound is an fast opcode which can
> transpose
> any audio signal based on an fft-analysis without use of external
> files,
This is under development I understand by RK
> *allpass and comb has a parameter; ilpt , which, if possible, would be
> interesting to control on k-rate
Sounds like just code...... On the stack until someone else does it!
==John ffitch
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From: the Physicist
Message-Id: <199901121418.PAA09410@klee.iamexwi.unibe.ch>
To: csound@maths.ex.ac.uk
Subject: Re: TB-303 like Lowpass-Filter
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> you must filter the sawtooth wave with a lowpass resonant filter setting
> a relatively high Q value,
Yeah, the high Q seems to be the problem. Unfortunately, the butterlp
opcode doesn't have a Q setting. Yesterday I wanted to try the zfilter2
opcode. This custom filter has a 'damping' parameter, which to my
knowledge, is somehow inversely proportional to the Q value. However, the
example in the Manual is somehow strange:
a1 zfilter2 asig, kdamp, kfreq, 1, 2, 1, ia1, ia2
^^^^^^^^^
What are ia1/ia2 ? Is the there a table of commonly used filter
parameters, i.e. for lowpass/bandpass/highpass/bandreject in any order ?
How can I calculate them myself ? In the manual they write that you
have to obtain the parameters from an external filter design application
such as Matlab. Is there something public domain ?
Thomas
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From: Grant Covell
To: "'Matt J. Ingalls'" ,
Grant Covell
Cc: csound@maths.ex.ac.uk
Subject: RE: diskin question
Date: Tue, 12 Jan 1999 10:22:28 -0500
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Yes, I've been using table and GEN01 instead, but diskin _seems_ simpler for
manipulating playback pitch then say sndwarp. I do understand that diskin
was designed for files that wouldn't ordinarilly fit within GEN01, but the
variable speed stuff is right there, so I figured I'd try it with small
files. (I've been using the most current version of the MillsPPC app BTW.)
-----Original Message-----
From: Matt J. Ingalls [mailto:ingalls@mills.edu]
Sent: Tuesday, January 12, 1999 2:09 AM
To: Grant Covell
Cc: csound@maths.ex.ac.uk
Subject: Re: diskin question
diskin worked fine for me
i went back and looked at your message
.2 seconds! well thats shorter than diskins read buffer
so i could see how things might get messed up
(not saying its not a bug!!)
but you should use a table for such short sounds
if not always since you are on a PC
which can read from file as virtual memory (right??)
although you have 2 use 2 tables 4 stereo
diskin was always intended to be used for large files
that couldnt fit into RAM.
-matt
> Hello--
>
> I've got an instrument with this line in it:
>
> a1, a2 diskin ifilcod, kpitch, 0 ,1
>
> and it behaves the same whether or not I set wraparound to 0 or 1. That
is,
> the souce file is read repeatedly, not just once (the source is .2 sec,
the
> p3 is 4 sec). Yes, I'll probably use GEN01 instead for the same effect,
but
> I want to keep as much of the instrument as possible in the sco.
>
> Grant Covell
> gcovell@c-bridge.com
>
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From: Grant Covell
To: "'csound@maths.ex.ac.uk'"
Subject: b
Date: Tue, 12 Jan 1999 10:32:25 -0500
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I've been trying to use "b" in a .sco, and can't understand how to use it. I
gather b only applies within a section, that is before s, e or r resets the
clock to 0. Now, within a section, b -10, b 0 or b10 and subsequent inst
calls seem not to change the clock, although there are console messages that
imply that something happened.
In theory (my confused understanding of b), I can see using a number of
carry statements, and that b would be able to move p2 back in time, saving
me typing and the math:
i1 0 2
i. + .
i. + .
i. + .
b -3
i2 0 3
and so i2 actually starts at 7.
Now, I'm probably misusing and misunderstanding "b" so any gentle hints and
examples to set me on the right track would be appreciated. In my skewed
view about how b might work, I can't see a diference between b 12 and a 12,
and advance does work. I had thought b would be able to take me back in time
within a section during the presort.
Grant.
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From: Grant Covell
To: Grant Covell ,
"'csound@maths.ex.ac.uk'"
Subject: RE: b (ignore first)
Date: Tue, 12 Jan 1999 10:39:49 -0500
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Ok, my math is terrible...
i2 would actually start at 5 in the example I gave.
-----Original Message-----
From: Grant Covell [mailto:GCovell@c-bridge.com]
Sent: Tuesday, January 12, 1999 10:32 AM
To: 'csound@maths.ex.ac.uk'
Subject: b
I've been trying to use "b" in a .sco, and can't understand how to use it. I
gather b only applies within a section, that is before s, e or r resets the
clock to 0. Now, within a section, b -10, b 0 or b10 and subsequent inst
calls seem not to change the clock, although there are console messages that
imply that something happened.
In theory (my confused understanding of b), I can see using a number of
carry statements, and that b would be able to move p2 back in time, saving
me typing and the math:
i1 0 2
i. + .
i. + .
i. + .
b -3
i2 0 3
and so i2 actually starts at 5.
Now, I'm probably misusing and misunderstanding "b" so any gentle hints and
examples to set me on the right track would be appreciated. In my skewed
view about how b might work, I can't see a diference between b 12 and a 12,
and advance does work. I had thought b would be able to take me back in time
within a section during the presort.
Grant.
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From: J P Fitch
To: Grant Covell
cc: Grant Covell ,
"'csound@maths.ex.ac.uk'"
Subject: Re: b (ignore first)
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b is absolute not relative. So b 5 instead of b -2
I think I trap negative numbers as 'wrong' and if not I should!
==John
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Date: Tue, 12 Jan 1999 18:07:02 +0100
From: rasmus ekman
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Subject: old orchestras here
References: <3699EAC6.3342087B@sci.fi> <369B4604.6597@hem.passagen.se>
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rasmus ekman wrote:
>
> > is sombody keeping all the orchs+scores posted on this list?
>
> Or to anyone else who wants them, just mail.
And since several people did, you can all find it here:
hem.passagen.se/rasmuse/CsoundOrcSco.zip
This is a 124,463 bytes zip containing a plain text file with
unedited mails - all headers still there. If you drop it into
your Netscape 3.0 mail folder it *might* show up for simple
browsing.
Cheers,
re
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Date: Tue, 12 Jan 1999 19:09:07 +0100
From: Gabriel Maldonado
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To: the Physicist
CC: csound@maths.ex.ac.uk
Subject: Re: TB-303 like Lowpass-Filter
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Try filter 'lowres'
the Physicist wrote:
> Yeah, the high Q seems to be the problem. Unfortunately, the butterlp
> opcode doesn't have a Q setting.
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
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Date: Tue, 12 Jan 1999 19:19:11 +0100
From: Gabriel Maldonado
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To: J P Fitch
CC: "'csound@maths.ex.ac.uk'"
Subject: Re: b (ignore first)
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In the csound sources there are the following score opcodes:
'a':
'b': /* Reset base clock */
'e': /* End of all */
'f':
'i':
'm': /* Mark this point */
'n': /* Duplicate from named position */
'r': /* Repeated section */
's': /* Section */
't':
'v': /* Local warping */
'w':
I can't understand the purpose of 'v', 'w', 'n', 'm' and, until previous message, of 'b'.
Where can I get the updated manual of these opcodes?
"'csound@maths.ex.ac.uk'"
J P Fitch wrote:
>
> b is absolute not relative. So b 5 instead of b -2
> I think I trap negative numbers as 'wrong' and if not I should!
> ==John
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
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Date: Tue, 12 Jan 1999 19:19:11 +0100
From: Gabriel Maldonado
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To: J P Fitch
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Subject: Re: b (ignore first)
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In the csound sources there are the following score opcodes:
'a':
'b': /* Reset base clock */
'e': /* End of all */
'f':
'i':
'm': /* Mark this point */
'n': /* Duplicate from named position */
'r': /* Repeated section */
's': /* Section */
't':
'v': /* Local warping */
'w':
I can't understand the purpose of 'v', 'w', 'n', 'm' and, until previous message, of 'b'.
Where can I get the updated manual of these opcodes?
"'csound@maths.ex.ac.uk'"
J P Fitch wrote:
>
> b is absolute not relative. So b 5 instead of b -2
> I think I trap negative numbers as 'wrong' and if not I should!
> ==John
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm
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From: Wayne Freno
To: gamma_orion@iname.com
cc: csound@maths.ex.ac.uk
Subject: Re: #include don't work
In-Reply-To: <0F5F001G333BFB@sims-ha.videotron.net>
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Hi,
Did you try replacing the colons in your example with double quotes?
(I think other characters will work too). Also did you input the
path? If backslashes don't work (\), try forward slashes (/).
Hope this helps.
On Mon, 11 Jan 1999 gamma_orion@iname.com wrote:
> Hello,
> today I tried to use the syntax
> #include :filename: in orchestra and in score but ti don't work. I
> tried either the official and the unofficial version 3.49.4.
>
> It is normal...
> --
> Antoine Lefebvre
> gamma_orion@iname.com
> http://pages.infinit.net/linux/music/music.html
>
end soundbite
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From: Hans Mikelson
To: csound@maths.ex.ac.uk
MMDF-Warning: Parse error in original version of preceding line at UK.AC.Bath.maths.omphalos
Subject: Re: TB-303 like Lowpass-Filter
Date: Tue, 12 Jan 1999 19:10:42 -0600
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>Try filter 'lowres'
Also rezzy or moogvcf.
Hans Mikelson
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Date: Wed, 13 Jan 1999 12:49:50 +1100
From: Bob Douglas
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Subject: Re: Csound suggestion : pitch (bend) /transpose
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david ds wrote:
>
> There is still one thing i miss in Csound : a simple efficient
> pitchbender/transposer like :
>
> ar pitchchange amp,kpitch
>
> where kpitch is k-rate pitch control signal
Unless I'm misunderstanding the suggestion, Csound can already do this. For
pitchbend across time, think of pitch variation as a very slow form of FM, and
patch a k-rate very LFO ( I use half a period ) to the frequ of the a-rate signal.
For transposition, just add a constant to the frequ.
Bob
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From: Hans Mikelson
To: CSound list
Subject: Re: Csound suggestion : pitch (bend) /transpose
Date: Tue, 12 Jan 1999 20:59:56 -0600
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I th
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From: Hans Mikelson
To: CSound list
Subject: Re: Csound suggestion : pitch (bend) /transpose
Date: Tue, 12 Jan 1999 21:05:41 -0600
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Hi,
Sorry about that last one. I hit the send button by accident. I think the
original poster meant pitch shifting without changing the time. Try the
harmon opcode though I have not used it or possibly soundwarp. The phase
vocoder can do it too. I may implement one some day as I have the code
working in my brain but not on computer yet.
Bye,
Hans Mikelson
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Date: Tue, 12 Jan 1999 19:59:36 -0800 (PST)
From: "Matt J. Ingalls"
To: csound@maths.ex.ac.uk
Subject: new mac things
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1) i have put up a little mac csound web page that you can look for new
information/look at the mac manual/etc..
www.concentric.net/~mingalls/software/csound
2) i have put up binaries/sources to 3.494, which you can get through the
above URL or through:
ftp://mills.edu/ccm/csound.ppc
3) i have revised documentation to html format -- mostly changes in score
generation section.
4) nothing to do with csound: i have a little tuning utensil
you might be interested in --
let me know what you think:
www.concnetric.net/~mingalls/software/fork.html
-matt
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Date: Tue, 12 Jan 1999 20:13:57 -0800 (PST)
From: Wayne Freno
To: Csound List
Subject: Adsyn in Direct Csound 2.5
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I get this message when using adsyn to play a Hetro analysis file:
file c:/csound/bye8 (15000 bytes) loaded into memory
ptlap = 007476BC ptlim 00747AB8
The resulting wav file sounds grainy, although there are
no warnings, 0 errors and no samples out of range. I kind
of like that graininess, but would also like the plain
adsyn file. I just upgraded to Gabriel Moldanado's Direct
Sound 2.5. My old adsyn files, which compiled ok using
RTSound 1.7, also show this message, and also sound grainy.
sr = 22050
kr = 441
ksmps = 50
nchnls = 1
instr 2
a2 adsyn 1, 1, 1, "/csound/bye8"
out a2
endin
i2 0 3
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Date: Wed, 13 Jan 1999 08:34:09 +0100
From: Gabriel Maldonado
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Have you ever compared the sound quality of DirectCsound with that generated by
hetro/adsyn in canonical version? Maybe this is a bug present in all versions.
Wayne Freno wrote:
>
> I get this message when using adsyn to play a Hetro analysis file:
>
> file c:/csound/bye8 (15000 bytes) loaded into memory
> ptlap = 007476BC ptlim 00747AB8
>
> The resulting wav file sounds grainy, although there are
> no warnings, 0 errors and no samples out of range. I kind
> of like that graininess, but would also like the plain
> adsyn file. I just upgraded to Gabriel Moldanado's Direct
> Sound 2.5. My old adsyn files, which compiled ok using
> RTSound 1.7, also show this message, and also sound grainy.
>
> sr = 22050
> kr = 441
> ksmps = 50
> nchnls = 1
>
> instr 2
> a2 adsyn 1, 1, 1, "/csound/bye8"
> out a2
> endin
>
> i2 0 3
--
Gabriel Maldonado
http://www.agora.stm.it/G.Maldonado/home2.htm |