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Re: Changes in delayr/delayw

Date1999-10-24 15:26
FromJens Groh
SubjectRe: Changes in delayr/delayw
Hello again,

I found a way to improve the backward compatibility of the recently
modified delayr/delayw/deltap opcodes while maintaining the advantages
of the modifications for delay line cross-coupling.

The source code file "Ugens6.c" should be changed as follows:

At the beginning of the function delrset(), replace the line:
    if (last_delayr != NULL) { /* fifo not empty */
by the line:
    if (first_delayr != NULL) { /* fifo not empty */

In the function delwset(), remove the line:
      last_delayr = NULL;

A deltap (or deltapi or deltap3 or deltapn) opcode that follows a
delayr/delayw pair (or the last of a group of interleaved delayr/delayw
pairs) instead of being placed inside the pair is no more considered as
error but works as it originally did.

That is, the well-known "Xanadu" orchestra works again.

Greetings,
Jens Groh


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From: Jens Groh 
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Hello again,

I found a way to improve the backward compatibility of the recently
modified delayr/delayw/deltap opcodes while maintaining the advantages
of the modifications for delay line cross-coupling.

The source code file "Ugens6.c" should be changed as follows:

At the beginning of the function delrset(), replace the line:
    if (last_delayr != NULL) { /* fifo not empty */
by the line:
    if (first_delayr != NULL) { /* fifo not empty */

In the function delwset(), remove the line:
      last_delayr = NULL;

A deltap (or deltapi or deltap3 or deltapn) opcode that follows a
delayr/delayw pair (or the last of a group of interleaved delayr/delayw
pairs) instead of being placed inside the pair is no more considered as
error but works as it originally did.

That is, the well-known "Xanadu" orchestra works again.

Greetings,
Jens Groh


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Date: Sat, 23 Oct 1999 22:29:32 +0100
To: csound@maths.ex.ac.uk
From: Lars Luthman 
Subject: Re: toot1 of tutorial finally toots
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>Also, prior to
>Quicktime 4, there was no Quicktime player provided with Quicktime (I don't
>remember one, though QT3 was not installable on this Mac) - so if somebody
>else comes around with this same problem, they aren't going to be able to
>play the end result unless they have QT 4.

I'm using QT 2.5, and I can play AIFF files with "Movie Player" without
problems. I don't know if it's the "Movie Player" application that converts
AIFF files or if it is done automatically by the QuickTime extension, but
it works.


--ll




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Date: Sun, 24 Oct 1999 16:59:44 -0600
To: csound@maths.ex.ac.uk
From: Merideth Johnston 
Subject: Re: toot1 of tutorial finally toots
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Thanks much, to all.  Yep, I did put the file in the correct place.  It
still doesn't work, though.  I suspect it may be trying to do something
that requires the fpu, but I'm not sure.  (stands to reason there are some
things that the machines with more power can do that I can't)  It is only
that one thing though, so I think I can live without it.

That is interesting to note too, about the QT player being there with QT
2.5.  It's been a long time since I had it, and I'm sure I never used the
player.  (means nothing, I've regarded it as a kind of albatros because
I've had no use for it 'til now.)  It is kinda strange to think of sound as
a type of "movie", isn't it.  8-)

Now is when the real study begins, and I appreciate all the help getting
started.  I have put the quick reference summary from the manual on an
Obiwan database, so if anybody with a mac and Obiwan wants it, just holler.
I'll be happy to send it to you, or I suppose I could put it up on my
website if the manual author has no objections.  (for those who don't know,
Obiwan is a shareware ($10) app that keeps a database in the background
which you can call up with a keystroke, and paste selected contents to
whatever file you've got open.  very handy.)

At 10:57 AM +0000 10/23/99, K.H wrote:
>Hello
>
>    If you want to use a soundfile forCsound, for soundin opcode, you
>should
>put the sound file in a folder (ex: samples) and choose the correct path
>to this file
>in (choose "default directories..." if you are using CsoundPPC). That's
>all.
>    For loscil, it's the same, except that loscil looks for a ftable
>using GEN01 which loads the soundfile.
>
>    good Csounding
>    karim


Merideth
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Board


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in, you aren't going to get off the ground any better than you would by
flapping your arms.




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From: Stan Olejarz 
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Subject: soundin and pitch
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Why is it that soundin is always much lower than the actual aiff file
that I use?


Stan
Toronto



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Subject: Re: soundin and pitch
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soundin will read samples from the input file at the 
performance a-rate (same as sr).
If this is not the same as the original soundfile sample
rate, pitch will change. 
diskin to the rescue: try something like

    ; assuming sr of the original file is 48 kHz
    aL, aR diskin "myLittleBleep.aif", 48000 / sr

perhaps.

	re


Stan Olejarz wrote:
> 
> Why is it that soundin is always much lower than the actual aiff file
> that I use?


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From: Martin Marier 
To: csoundlist 
Subject: wguide opcodes
Date: Sun, 24 Oct 1999 22:59:15 -0400
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It looks like there's a problem in DirectCsound 3.02 with the opcodes =
wguide1 and wguide2.  Maybe I do something wrong, but even this =
orchestra doesn't work:

sr =3D 44100
kr =3D 4410

ksmps =3D 10

nchnls=3D 1

asig rand 25000

asig wguide1

asig, 60, 3000, .8

out asig

It works well with winsound.



Thank you,

Martin Marier

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It looks like there's a problem in DirectCsound 3.02 =
with the=20
opcodes wguide1 and wguide2.  Maybe I do something wrong, but even =
this=20
orchestra doesn't work:


 


sr =3D 44100




kr =3D 4410


ksmps =3D 10


nchnls=3D 1




asig rand 25000


asig wguide1


asig, 60, 3000, .8


out asig


It works well with winsound.


 


Thank you,


Martin=20
Marier


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From: Martin Marier 
To: csoundlist 
Subject: wguide opcodes
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Sorry, the orchestra in the preceding mail should have lookes like this:


sr =3D 44100
kr =3D 4410
ksmps =3D 10
nchnls=3D 1
asig rand 25000
asig wguide1    asig, 60, 3000, .8
out asig



Martin Marier


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Sorry, the orchestra in =
the preceding=20
mail should have lookes like this:


 


 




sr =3D =
44100




kr =3D =
4410


ksmps =3D =
10


nchnls=3D =
1




asig rand =
25000


asig =
wguide1    asig,=20
60, 3000, .8


out=20
asig


 


 


 


Martin Marier


 


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Subject: .csd file format
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I have a request that the .csd file format should ignore all text
until the starting  and all text after the
.  How would this affect people?  Not too
difficult to code but I am not sure if it will break some use, or
whatever.

I am suggesting until the  tag all text is ignored,
unless it is a tag like , ,  or
.  After a   until the
 tag additional unrecognised lines and tags would
be treated as a soft error.

==John ffitch


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Subject: Extending label pool
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Many months ago I changed the code so the number of labels was not an
absolute limit, but there was always something odd in the code.  I
have finally tracked this down, and now have a version where the
message
        LABELS list is full...extending to xxx
is not a disaster.  The other manifestation of this bug was the
message
        indx=%d (%x); (short)indx = %d (%x)
        indexing overflow error
for some values of %d and %x.

trivial fix is in otran.c, to remove the assignment to nlabels in the
line
    labels = (char **)mmalloc((nlabels=NLABELS) * sizeof(char *));

Then the constant NLABELS in oload.h can be small, like 10 or 20

==John ffitch


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Subject: RE: .csd file format
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I am probably (one of?) the requestor(s) here. I'd like to explain the why.
It's to allow the  stuff, the Csound orchestra/score, to
be embedded in XML containing other data as well (algorithmic composition
code, VRML elements, song lyrics, whatever). It saves the program using
Csound the work of separating the Csound element from the other elements
before running Csound.

-----Original Message-----
From: owner-csound-outgoing@maths.ex.ac.uk
[mailto:owner-csound-outgoing@maths.ex.ac.uk]On Behalf Of
jpff@maths.bath.ac.uk
Sent: Sunday, October 24, 1999 2:05 PM
To: csound@maths.ex.ac.uk
Subject: .csd file format


I have a request that the .csd file format should ignore all text
until the starting  and all text after the
.  How would this affect people?  Not too
difficult to code but I am not sure if it will break some use, or
whatever.

I am suggesting until the  tag all text is ignored,
unless it is a tag like , ,  or
.  After a   until the
 tag additional unrecognised lines and tags would
be treated as a soft error.

==John ffitch



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From: Michael Gogins 
To: jpff@maths.bath.ac.uk, csound@maths.ex.ac.uk
MMDF-Warning:  Parse error in original version of preceding line at UK.AC.Bath.maths.omphalos
Subject: RE: .csd file format
Date: Mon, 25 Oct 1999 08:37:44 -0400
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I am probably (one of?) the requestor(s) here. I'd like to explain the why.
It's to allow the  stuff, the Csound orchestra/score, to
be embedded in XML containing other data as well (algorithmic composition
code, VRML elements, song lyrics, whatever). It saves the program using
Csound the work of separating the Csound element from the other elements
before running Csound.

-----Original Message-----
From: owner-csound-outgoing@maths.ex.ac.uk
[mailto:owner-csound-outgoing@maths.ex.ac.uk]On Behalf Of
jpff@maths.bath.ac.uk
Sent: Sunday, October 24, 1999 2:05 PM
To: csound@maths.ex.ac.uk
Subject: .csd file format


I have a request that the .csd file format should ignore all text
until the starting  and all text after the
.  How would this affect people?  Not too
difficult to code but I am not sure if it will break some use, or
whatever.

I am suggesting until the  tag all text is ignored,
unless it is a tag like , ,  or
.  After a   until the
 tag additional unrecognised lines and tags would
be treated as a soft error.

==John ffitch