| I tried to include Gabriel's code, but it classed with some other
changes. Since that I have been busy. The current distributed
sources have a comment saying that the code is wrong. I think my
private version is fixed, but it also has a full macro and #include
facility, and I need to ensure that that does not break too many other
things.
==John ff
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Date: Mon, 23 Mar 1998 06:51:32 -0800 (PST)
From: Richard Karpen
To: Richard Dobson
Cc: Jean Piche ,
"Michael A. Thompson" ,
csound
Subject: Re: IRIX Csound
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Along these lines: I have two new csound units that I will offer up to
the public csound keepers in a week or two. Both deal with panning over 4
channnels (they work with 2 as well). One has a degree argument for the
placement of the sound, the other uses XY coords and allows one to read
the XY's from a file created either by hand, or by a GUI we're working on
here with which you can draw and edit the path through with the sound will
move. Both have arguments for distance and use it to calculate amplitude
gain and loss. All arguments can varying over time. They also return
optional signals that can be sent to a reverb. These optional signals are
scaled according to distance, angle, and reverb amount.
Richard Karpen
On Mon, 23 Mar 1998, Richard Dobson wrote:
> Yes Please, I would like to see that too! I am VERY keen on promoting the use
> of multichannel soundfiles, generally, both AIFF and WAVE. The opcode should
> be able to be extended to handle WAVE files very quickly (probably just the
> changes to the header). I am also hoping an 'out6' opcode will be added to
> Extended Csound (given the 6 outputs), so that would also be a worthwhile
> addition to standard Csound.
>
> Does anyone know of any commercial soundcard that supports at least a
> 4-channel soundfile?
>
>
> Richard Dobson
>
>
> Jean Piche wrote:
>
> > Michael A. Thompson wrote:
> > >
> > > After working with csound trying to do 8 channel audio, I decided it
> > > would be easier to deal with if csound could write an 8 channel aiff
> > > soundfile. So, I have added 8 channel soundfile support to the IRIX
> > > version of csound 3.74b3. The new opcode is called "outo asig1, asig2,
> > > etc..., asig8"...
> >
> > Most interesting! Can you send source for the opcode?
> >
> >
>
>
>
>
>
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From: J P Fitch
To: csound@maths.ex.ac.uk
Subject: MIDI on csound
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On my SGI5.3 machine MIDI files just do not work. It seems to have illusions
about teh channel being 20 when it is not. Has anyone else seen this?
More importantyly, has anyone fixed it?
==JOhn
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From: "Greenwood_apel-os, Karl"
To: C Sound Mailing List
Subject: RE: two mics -> hrtf -> .wav file?
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> is it possible to have csound process the sound such that when its played
back on
> headphones it sounds 3D?
I believe shadows caused by the shape of the head/body features in
this...try placing microphones in the ears of a shop display dummy and
re-record the sound, this could be simulated in software (i think roland do
a stomp-box for this effect)
Karl
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Date: Mon, 23 Mar 1998 21:43:39 +0000
From: Steven Cook
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>> I've had the same problem. Version 3.47 doesn't seem to like any GEN
>> statements with even number sized tables, ie:
>>
>> f1 0 1024 10 = Crash.
>i just downloaded the current verion on our ftp site
>(ftp://mills.edu/ccm/csound.ppc/
> files: perf3.47(beta3).hqx
> CSound_FrontEnd_0.3.2.sit)
>
>
>and had noproblems such as you describe.
Sorry for any confusion, but my problem is with the 68k version of Csound.
Steve.
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From: David Boothe
To: 'Csound Mailing List'
Subject: RE: two mics -> hrtf -> .wav file?
Date: Mon, 23 Mar 1998 18:06:07 -0600
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What we're talking about here is binaural. Binaural works amazingly
well, and is relatively easy. The mics should be omnidirectional. And
although they don't have to be expensive microphones, they do need to be
very well matched. That usually means not cheap. There is a fair amount
of literature on the subject, but it takes some digging. Check for books
on microphone technique. Also periodicals, especially Journal of the
Audio Engineering Society (probably older issues), and those that cater
to higher end hobbyists, such as Sterophile.
About 12 or 14 years ago, Edward Tatnall Canby had a series of columns
in Audio (Magazine) about binaural. He described a system using 2
omnidirectional mics spaced about head width apart, with a barrier in
between: a head sized (though not necessarily head shaped) piece of
metal or even cardboard. I believe I would put something soft, fuzzy,
absorbent and about 2-3 cm thick (such as cotton or open cell foam) to
each side to prevent reflections from the barrier causing phase
cancellation at higher frequencies.
One problem with binaural: it only works for headphone playback. On
speakers it just sounds like weird mono.
Have fun.
-David.
> -----Original Message-----
> From: Greenwood_apel-os, Karl [SMTP:Karl.Greenwood@apel-os.co.uk]
> Sent: March 23, 1998 12:42
> To: C Sound Mailing List
> Subject: RE: two mics -> hrtf -> .wav file?
>
> > is it possible to have csound process the sound such that when its
> played
> back on
> > headphones it sounds 3D?
>
> I believe shadows caused by the shape of the head/body features in
> this...try placing microphones in the ears of a shop display dummy and
>
> re-record the sound, this could be simulated in software (i think
> roland do
> a stomp-box for this effect)
>
> Karl
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Subject: Re: two mics -> hrtf -> .wav file?
To: Csound mailing list
Date: Tue, 24 Mar 1998 00:42:42 -0500 (EST)
From: Eli Brandt
In-Reply-To: from "Laszlo Vecsey" at Mar 21, 98 02:33:56 pm
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Laszlo Vecsey wrote:
> Also, another question.. have you ever noticed that when you record your
> voice and play it back it tends to sound very different. I have a couple
> theories for why this is, but perhaps someone else can explain.
Bone conduction, I've heard.
> Could csound filter similarly so that the resulting output is the
> way you hear it as you speak?
Sure. You will need:
a standard mic
a contact mic
scalpel
surgical glue
Uh, actually, maybe you'd better not.
--
Eli Brandt | eli+@cs.cmu.edu | http://www.cs.cmu.edu/~eli/
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Date: Tue, 24 Mar 1998 02:41:25 -0600
From: "Michael A. Thompson"
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BTW... Sorry for the wrong info about real-time on an SGI O2, I have
tested the 8 channel out and it does work in real-time as long as you
set the Audio Panel to the adat optical manualy before hand, so no need
to change any code yet....
Oh... and mess with the buffers... I have not found a good setting for
those yet...
Michael Thomspon
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Date: Tue, 24 Mar 1998 05:04:17 -0800
To: csound@maths.ex.ac.uk
From: Joe Bernert
Subject: Csound Book????
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Hello all! I have a couple of questions I'd like to bounce off the list if
you don't mind :)
First:
It seems to me that I remember a post a while back about a Csound book that
was to be published sometime soon.
Has this book been finished yet? If so, could someone please give me the
info necessary to purchase it?
Second:
I have found a few web links to tutorials on Csound. (ie... how to create
csound instruments) They have, however, seemed to dissapear and become no
longer active. Anyone have links to web sites that have such information??
It would be greatly appreaciated since a csound "bonehead" like me needs
alot of hand-holding in order to create instruments. >:)
thanks in advance!!
Joe
|