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Re: f1f0@m9ndfukc.com

Date1999-07-07 16:43
FromPaul Barrett
SubjectRe: f1f0@m9ndfukc.com
FASCIST

-----Original Message-----
From: Dr J.Stevenson's research assistant 
To: csound@maths.ex.ac.uk ; rubo@berlin.snafu.de

Cc: f1f0@m9ndfukc.com ; webmaster@snafu.de

Date: Monday, July 05, 1999 11:09 PM
Subject: Re: f1f0@m9ndfukc.com


>
>What I often like to do is to save 5-10 e-mails from it
>
>and then fire them back with my comments to it telling him
>
>his socialist beleifs are going to be buried by Americans like me
>
>:)
>
>
>>Nostalgie ist die Faehigkeit, darueber zu trauern, dass es nicht mehr so
>>ist, wie es frueher nicht gewesen ist.  -- Manfred Rommel
>




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Date: Wed, 07 Jul 1999 18:05:30 +0200
From: JM&M DARREMONT 
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Where can I find a small MIDI 1 to 0 converter.
The discussion happened here few weeks ago about this subject but I couldn't
find the info for mac users.

Thanks.

-- 
Jean-Michel DARREMONT



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Check "MIDI FORMAT 1 to 0 for MacIntosh" in one of the search engines.


JM&M DARREMONT wrote:

> Where can I find a small MIDI 1 to 0 converter.
> The discussion happened here few weeks ago about this subject but I couldn't
> find the info for mac users.
>
> Thanks.
>
> --
> Jean-Michel DARREMONT

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Message-ID: <37840B44.1A407C4B@westnet.com>
Date: Thu, 08 Jul 1999 02:21:56 +0000
From: Larry Troxler 
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I have run into a problem where csound returns an errorcode even when
nothing really  went  wrong. I think the problem is in the X11 code, and
probably happens when X11 graphics are enabled but no windows are drawn
(as is the case where no function generators are used). This faulty
error return seems to be propogated from the "myXwait" function in
WinX11.c. It is called indirectly by dispexit(), which gets called from
musmon(). And it seems that if there is no X-window open (xlwin==NULL),
then myXwait returns non-zero, which gets propogated back up the returns
from dispexit(), musmon(), and then main(). 

Being not too familiar with this code, especially for all platforms, I
don't know the correct way to fix it. Can someone else perhaps verify
this problem and/or provide a fix that doesn't break the other
platforms?   

Just to be clear, csound does *not* print any error messages, and the
perf does indeed work fine. But it returns non-zero back to the OS (in
this case Linux) which is a problem at the moment since I am using Make
to run it.

Here is where the trouble seems  to start:


static int myXwait(char *msg)
{
    if (xlwin != (Window)NULL) {
        myXwinWait(xlwin, msg);
        return(0);
    }
    else return(1);   
}


Larry



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Date: Wed, 07 Jul 1999 23:14:45 -0500
From: "craig-routt@usa.net" 
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i know i'm being redundant but i've got this vision

about pluck that it needs to be frequency modulated

in the time domain.

for instance you run 2 pluck parrallel and feed back

the out put with weighted  wet or dry into feedback

ok you got that . but the time domain must shift the feed back time.

this is not my idea . this comes from a paper i read by bose.

who just happens to sell the best speaker system in the world

called the bode 802 with a sound cannon for base.

but in a conversation with the fellow he said if you use one

speaker and run a 100 hz. signal into it with a 1000 hz signal

you get doppler shift. in a pluck this means time domain must change

in the feed back loop.

this is a problem which has plagued me for 20 years. when i would

synthesizie a drum on my moog it was not the same as the actual

drum in my recording suite.

WHY. WHY WHY WHY WHY WHY WHY

THEN IT OCCURRED TO ME

DOPPLER SHIFT OF THE TIME DOMAIN OF FEED BACK!!!!!!


OK now you got that.

the partial s must fm .

this is mandatory.

perhaps you fellows have solved this allready. i have been

negligent in my reading of cmj recently (2 years now)

but this question has bothered me for 20 years.

PLEASE PLEASE HELP.

thank you

craig



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i should have been more specific

feedback would drive the time schedule for the

pointer to read the out put backinto the loop.

but a parrallel pluck must be the effect over

both units. but only in parrallel.

would the not?

and there fore in a fof the fof would also do a slight

fm of the partials . true ? and this is why ,(PROBABLY)

that there is a fm function to the fof set. true?

but where fof is an incorrect model would be in the fedback unit.

which must necessarily effect each fof in parrallel.

the 2 units do not do this do they.

or am i going nuts.

i have tweeked this until i'm frustrated.

tell me.

truth now . is the model incomplete?

i ask this to Xaviar Rodet mostly.

but also to you john.

does it .

thank you

craig



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At 10:14 PM -0600 7/7/99, craig-routt@usa.net wrote:

>WHY. WHY WHY WHY WHY WHY WHY
>
>THEN IT OCCURRED TO ME
>
>DOPPLER SHIFT OF THE TIME DOMAIN OF FEED BACK!!!!!!

Bartender, I'll have whatever he's having.



   --- james mccartney     james@audiosynth.com   http://www.audiosynth.com
If you have a PowerMac check out SuperCollider2, a real time synth program:







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Date: Thu, 08 Jul 1999 01:15:16 -0400
From: Brandon Nelson 
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Hi,

I've been having trouble lately getting CSound to work; when I click
"render" in the front end, nothing happens (Perf doesn't launch). It
seemed to be working before, then in would work "sometimes" (for
instance, if I launched Perf and then clicked "Open CSound"), now the
front end never launches Perf.

I've tried this with CSound 1.2 and both Perf versions 3.54 and 3.55,
and get the same result.

I'm running MacOS 8.6, with 64 meg of RAM. Any clue what might be
causing this?

Brandon Nelson

-- 
brandon_nelson@bigfoot.com               ICQ: 11617296


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Date:  7 Jul 99 23:34:51 MDT
From: craig routt 
To: csound@maths.ex.ac.uk
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oh , for those of you who are not drummers or studio owners

with drum kits or have not analized a drum hit.

the first hit of a drum is direct output.

the second hit is a doppler shift of the first

strike of the head. which would indicate a logic

if 2ond note switch on doppler shift, that is also apparrent.

    but it would be fm but by a doppler shift of which would

give an amplitude modulation in accordance with the

resonant body this is what i base my supposition on

=2E so to do this would i need to rewrite

pluck to do time base/feedback modulation but related

to not necessarily fundamental but a mix of resonance

as well as feedback and fundamental. and with a couple of =


more p field for resonant/time domain shift,

parrallel pluck units in the resonator path,

(oh boy right here i remember reading this somewhere)

with curves weighted for each parallel harmonic to

be thrown into the feedback. but the feedback is not =


just time function. true?

the parrallels wouldgive resonant body shape.

(later you could do a gui to draw shapes in theory)

i'm still thinking on this.

i'm sort of thinking out loud to the csound

group .  hope you do not mind.

thank you =


craig


____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
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when i run the score below, i crash the win98 console version of
csound.  when i run it in gabriels direct csound, if runs fine.  i have
the latest version of each.

here is the windows error:
CSOUND caused an invalid page fault in
module CSOUND.EXE at 023f:0045d78d.
Registers:
EAX=00000000 CS=023f EIP=0045d78d EFLGS=00010246
EBX=007d0430 SS=0247 ESP=006afd88 EBP=00475a34
ECX=ffffffff DS=0247 ESI=00000005 FS=c9c7
EDX=00006372 ES=0247 EDI=00006372 GS=0000
Bytes at CS:EIP:
f2 ae f7 d1 49 3b ce 76 15 80 3c 16 3d 75 0f 56 
Stack dump:
006cc8f6 007d4b88 00000002 00000000 0041574a 00475a34 0042c48f 0047bbe0
004765a8 006afde4 007d0378 00000000 007d4660 00000034 0000001a 00000002 

after this error, it returns 'Process completed successfully'

any pointers?

:P


here is the csd file:




-W -d -o c:\csound\waves\matrix.wav
;-+O -m0 -d -+K0 -+X0 -b1000




sr=44100
kr=44100
ksmps=1
nchnls=1

instr 1

kint init 1

a11 phasor p6
a12 phasor p7
a13 phasor p8
a14 phasor p9
a15 phasor p10
a16 phasor p11
a17 phasor p12

if kint != 1 goto next2
a1 = sin(a11*6.2831853071796)
goto end
next2:
if kint != 2 goto next3
a1 = sin(a12*6.2831853071796)
goto end
next3:
if kint != 3 goto next4
a1 = sin(a13*6.2831853071796)
goto end
next4:
if kint != 4 goto next5
a1 = sin(a14*6.2831853071796)
goto end
next5:
if kint != 5 goto next6
a1 = sin(a15*6.2831853071796)
goto end
next6:
if kint != 6 goto next7
a1 = sin(a16*6.2831853071796)
goto end
next7:
a1 = sin(a17*6.2831853071796)
end:

	out	a1*p4
	
if kint = 7 goto redo
kint = kint + 1
goto endinst
redo:
kint = 1
endinst:
	
endin





i1 0 3 14000 7 450 360 260 234 623 547 573 
e





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has anyone tried to compile with the borland compiler?  are there
extensive changes to be made to make it compile?  please let me know
your experiences, privately if possible.

:P


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From: Josep M Comajuncosas 
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Of course you can always recode your plucked instrument with more
primitive opcodes, thus you=B4re not limited by anyone=B4s preconceptions=
 of
how a waveguide plucked string should be implemented. I have some of
them at my homepage at tripod.
Hope that=B4ll help,

Josep M

craig-routt@usa.net wrote:

> i know i'm being redundant but i've got this vision
>
> about pluck that it needs to be frequency modulated
>
> in the time domain.



--
Josep M Comajuncosas
C/ Circumval.lacio 75  08790 Gelida - Penedes
Catalunya - SPAIN tel. 93 7792243
e-mail:          gelida@intercom.es
ET Informatica de Sistemes
e-mail: jcomajuncosas@campus.uoc.es
  http://members.tripod.com/csound/





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Date: Thu, 08 Jul 1999 11:13:36 -0400
From: Brandon Nelson 
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Hi Matt,

I have only one version of Perf on my system at one time, on any
partition. I have just rebuilt all of my drives, and I'm still getting
the same problem.

I got a message from another CSound user who claimed to have the same
trouble, and said changing the default directories helped. It doesn't
seem to help me though.

Unfortunately there are no other specifics to report, it consistently
won't run Perf.

Brandon



"Matt J. Ingalls" wrote:
> 
> hmm...
> 
> i would first do a search and see if there are any copys or older versions
> of "Perf" laying around and trash those.
> 
> also try rebuilding the desktop (restart with option-cmmd buttons pressed)
> 
> are you virus-free?
> 
> ill take a look into it more.  let me know if those do anything.
> any more specifics you notice would help too.
> 
> thnaks,
> matt
> 
> On -1 xxx -1, Brandon Nelson wrote:
> 
> > Hi,
> >
> > I've been having trouble lately getting CSound to work; when I click
> > "render" in the front end, nothing happens (Perf doesn't launch). It
> > seemed to be working before, then in would work "sometimes" (for
> > instance, if I launched Perf and then clicked "Open CSound"), now the
> > front end never launches Perf.
> >
> > I've tried this with CSound 1.2 and both Perf versions 3.54 and 3.55,
> > and get the same result.
> >
> > I'm running MacOS 8.6, with 64 meg of RAM. Any clue what might be
> > causing this?
> >
> > Brandon Nelson
> >
> > --
> > brandon_nelson@bigfoot.com               ICQ: 11617296
> >

-- 
brandon_nelson@bigfoot.com               ICQ: 11617296


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Op... looks like the problem is solved by selecting "Reset All
Options/Settings" in the Preferences menu. Maybe a problem with my
preferences file?

Brandon


-- 
brandon_nelson@bigfoot.com               ICQ: 11617296


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From: Hans Mikelson 
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Subject: Reverb Orc/Sco available
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Hi,

I have created some new reverbs based on multple feedback variable delays
and placed them at:

http://www.werewolf.net/~hljmm/csound/reverb.orc
http://www.werewolf.net/~hljmm/csound/reverb2.sco

Let me know what you think.  These should be capable of producing nice
smooth dense reverbs without metallic ringing.  They are a little slow.  The
pareq's could be adjusted to account for different materials.

I think they may be too big to post but if you do not have web access and
would like a copy let me know.

Bye,
Hans Mikelson



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Date:  8 Jul 99 22:35:50 MDT
From: craig routt 
To: csound@maths.ex.ac.uk
Subject: no caps this time.
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Josep M Comajuncosas  wrote:


Of course you can always recode your plucked instrument with more
primitive opcodes, thus you=B4re not limited by anyone=B4s preconceptions=
 of
how a waveguide plucked string should be implemented. I have some of
them at my homepage at tripod.
Hope that=B4ll help,

Josep M

craig-routt@usa.net wrote:

> i know i'm being redundant but i've got this vision
>
> about pluck that it needs to be frequency modulated
>
> in the time domain.



--
Josep M Comajuncosas
C/ Circumval.lacio 75  08790 Gelida - Penedes
Catalunya - SPAIN tel. 93 7792243
e-mail:          gelida@intercom.es
ET Informatica de Sistemes
e-mail: jcomajuncosas@campus.uoc.es
  http://members.tripod.com/csound/

hi =



how are you today?

i was thinking in terms of re writing the source code

where you would have an interpolator that i could sort of =


borrow from the ftable .

then just sweep the read back and forth across the buffer defined to =

contain the interpolator is what i had visualized as a new opcode.

something not too difficult for a guy who is working on his first wear

of electronics math and electronics , with a bit of basic and some =


c thrown in.

thank you for your orc. but i'm shure i'm on to something new.

maybe? wish me luck


____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
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Date:  8 Jul 99 23:04:14 MDT
From: craig routt 
To: csound@maths.ex.ac.uk
Subject: Re: [[OT] Languages / Re: Proposal for a new version of Csound]
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Larry Troxler  wrote:
Bob Hays, Computer Geek wrote:
> =

> > I'm surprised by the emotional depth of this discussion about C
> > versis C++, which is distracting the discussion away from the merits =
of my
> proposal to
> > rewrite the kernel of Csound.
> =

> Computer languages, like operating systems, are religious issues, and h=
ence
> it is quite understandable that people would wage religious war over th=
eir
> favorite.
> =


Oh, here we go again . To most normal people, Computer languages
are not religious issues!  However, we do enjoy discussing pros and cons
of various languages. In fact, to me, the reason I enjoy discussing the
merits and drawbacks of specific languages is precisely to *avoid*
turning the language into a religious (read "irrational") issue!

An off-topic language discussion/debate doesn't equate to languages
being a religious issue!

Well, now, that I'm *completely* off topic, I'll just say bye :-)

Larry



hi =


i agree with you about csound being a thing which is shared most

passionately and allmost religeously.

would you enjoy rewriting pluck with me?

i can visualize how to do this with bucket brigades.

you run the outputs of two buckets into each others input following the =


convention laid down by en ( or perhaps it was pop electronics) a couple =
 =

of months ago.  use a vco as a clock input to sr.

then fm the clock with a bit of  feedback signal.

to do this with the pluck ? =


hmmm.

craig


____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1


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craig routt wrote:

> you run the outputs of two buckets into each others input following the
> convention laid down by en ( or perhaps it was pop electronics) a couple
> of months ago.  

Are you refering to an Electronotes article here? I have all the issues up
through 1997; have there been any new issues?

> use a vco as a clock input to sr.

Unfortunately, I can't think of any computer that can implement true multiple,
variable sampling rates, such as you would have with a VCO modulating a delay
clock input. We are forced to deal with using a single sampling rate, and
working around it with various forms of interpolation.  This is frustrating when
coming from an analog perspective, but it is just the cold hard facts.

> then fm the clock with a bit of  feedback signal. 

Now, THIS you can do with Csound. Just create your own pluck orchestra, out of a
delayr/delayw pair, and using deltapi for the main pluck tone, with a simple
tone filter in the feedback loop. You may find, however, that FMing the pluck
delay line itself yields somewhat unsatisfactory results, as the "ring" time
will be tied in with the length of the delay line, and rapidly changing the
delay time will do strange things. 

I would recommend using a second delay after the pluck sound, and modulating the
length of the second delay. This will give you an FM sound that does not affect
the basic response time of the pluck sound. You can have the output of the
second delay modulating the delay time of the second delay (make sure sr=kr,
which holds true for all feedback-type orchestras).

For some work along the lines you are describing, check out Tim Stilson's paper,
"General Weirdness with the Karplus-Strong String," at

http://www-ccrma.stanford.edu/~stilti/papers/Welcome.html

Another suggestion: Try using a frequency shifter in the feedback loop, or after
the output of the pluck. The frequency shifter can be modulated at audio rates
to produce some very nice FM sounds. See the hilbert opcode documentation for
info on how to set this up.

Hope this is useful,

Sean Costello


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From: richard bowers 
To: csound csound 
Subject: Audio file lengths
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Can anyone offer me a solution to obtaining the duration (if possible) or
file size of an audio file stored on disk from within a instrument? I feel
it would be useful to know the duration of a file to make better use of -
and prevent errors when using - the skiptime on the soundin/diskin ugs.

Thanks,
Richard Bowers.



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I've been programming in Csound for about 10 days now, CSound PPC 3.51 on 
a macintosh.
I've finished a few random beat-generating instruments that generate a 
p-field specified number of 'hits' within it's on-time, and quantizes 
them according to a p-field specified beat subdivision. 
Also a global tempo instrument which does pretty much what the t command 
does in the score, but also generates a gktempo that can be used by other 
instruments (for instance the quantization in the random instrument.

I've sitched to a spreadsheet program for generating the scores, wich 
works really well. 

There are however a few opcodes in the manual that are not recoginized by 
csound:
1)
the x-class noise generators in the init variety (Ihaven'T tried the k 
and a rates yet.)
f.i. inumber ilinrand 100 is not recognized.

2)wgpluck2 always results in the message that there are too few 
parameters 

3)doscil isn't recognized

Another strange effect excists when using nlfilt in an instrument where a 
global a-rate variable is assigned some value (not necessarily the output

ar nlfilt ain,ka,kb,kd,kL,kC

When ka or kb <=0 there is no sound generated after the first (I think) 
ksmps burst (there is only short tick. There is also an upper bound I 
think somewhere around 5.
This effect (bug) doesn't happen when there is no ga variable present in 
the instrument.
Also, I think in the manual the kL and kC values are swapped in the 
examples (the results were more interesting anyway)


I would like to hear more about how this filter works. Can anybody post a 
webadress where I can find the original article mentioned in the manual. 

But csound is certainly fun to work with.