We have , at LCMM-UnB, a Orthogonal Sound
Spatialization Room, with 8 speakers array as you ask, connected to 4
Midi Servers (PCs), one for each pair os speakers, all managed by a Java
application developed by LCMM professor Aluizio Arcela:
Its not related with our Java3D projects,
yet.
More info contact me at [EMAIL PROTECTED]
Alessandro
----- Original Message -----
From: "James Sheridan" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, November 07, 2002 7:45
AM
Subject: [JAVA3D] some more on sound (3D Sound
Driver/Engines)
>
> The main thing I am concerned with is spatialisation, not synthesis.
> Being able to play a point sound over an 8 speaker array (diamond
> layout) and have it come from the same physical location as virtual
> location. From what I understood Java3D only really has an interface
> for this at the moment and we are meant to use the AudioDevice and
> AudioEngine classed to write our "device specific code".
>
> Will there be a general spatialisation algorithm built into java3D? and
> if so what is the timeline? and what are the plans for this - will we be
> able to simply select the number of speakers and their positioning and
> then just map the sound channel for each speaker to the different
> channels on our sound card? or will a different approach be taken?
>
> Regards James
>
> >Hi, Sheridan.
> >This is a complex subject...
> >As far as I know, Java3D use JavaSound as main resource, and has some
> >classes to use sound within 3D enviroment .
> >
> >May you find more resources at JavaSound email list :
> >search : http://archives.java.sun.com/archives/javasound-interest.html
> >subscribe : http://java.sun.com/products/java-media/sound/list.html
> >
> > JavaSound works with sampled (wave) and Midi sounds. The Midi sound
> >engine runs in software mode, using a high quality General Midi sond bank,
> >but can also use your own sound bank, as well set JavaSound to use your Midi
> >hardware devices. But I think a few expensive sound cards can match the
> >JavaSound Midi software quality. And there is not much CPU load.
> > The sampled sounds are send to your harware sound device. The data can be
> >obtained and processed as you wish. So you can make your own wave sound
> >synthesizer. There are some algorithms about sound synthesis using technics
> >as Frequency Modulation synthesis, Additive synthesis , Subtrative
> >synthesis, Granular Synthesis , Trigonometric waves, and others.
> >
> >there is a lot more ... ;)
> >
> >Alessandro Borges
> >
> >=============================
> >
> >>From: "James Sheridan"
> >>Subject: 3D Sound Driver/Engines
> >>I was wondering if anyone out there has had any experience writing sound
> >>drivers/engines for java 3D? If so would it be possible to post how you went
> >>about it and any tips/hints? or would you please be able to
> >>get in contact with myself.
> >>I'm wondering how you went about it? software or hardware? and if software
> >>what algorithms were used?
> >>With fingers crossed I'm more specifically trying to write an 8 channel
> >>driver for a hammerfall card if anyone has one?
> >>
>
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