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Re: Multichannel audio cards
I would strongly suggest considering a 2nd-order ambisonic setup, especially
if you have Matlab. Derby University in the uk have a programme: 'simulink'
which runs under matlab and which allows configuration of ambisonic decoders
on fast PC with multichannel soundcards.
The benefit of this route is that ambisoncs supports periphonic
(with-height) displays, but it is a kernel system and so is compatible with
lower-orders of spatial encoding, so horizontal-only material is entirely
compatible with it. It's very easy to put mono, stereo, 5.1, 7.1 , 1st-order
ambisonics, and even binaural (though here the conversion is not perfect)
into an ambisonic 2nd-orderdisplay, and this can be encoded in realtime with
I know they are at present experimenting with a new 32xspeaker periphonic
setup for medium-to-large scale listening, running on a PC with 2x16ch
soundcards (operated as a single device). I can find out the soundcard
manufacturer if you wish
----- Original Message -----
From: "Sanja Dupor" <106744.1511@COMPUSERVE.COM>
Sent: 24 October 2001 08:16
Subject: Multichannel audio cards
see EWS88MT Terratec card at www.terratec.net
Nachricht geschrieben von Regis Rossi Alves Faria
We are looking for suggestions on multichannel audio cards (models
and/or brands) as well as multichannel softwares (to generate more than
2 stereo audio outputs, be it either 5.1 or n-independent
channels/outputs) to drive a virtual 3D (audio) environment (i.e., n
independent speakers set in a way to produce audio spacialization).
The system is to synchronize with a similar virtual 3D visual
environment, where objects can be visualized and heard.
Those who can advise on this, or think could help if having more
information, I would be grateful in contacting.
Regis Rossi A. Faria
Media Engineering Center
LSI - University of Sao Paulo