hi,
you may want to check the home page for Ambisonics and related 3-D audio
research: http://www.york.ac.uk/inst/mustech/3d_audio/ambison.htm
there are some answers for you there.
good luck,
marcelo

Jan Jacob Hofmann wrote:
> 
> Hello,
> 
> I came acrosss this question by reading the
> ambisonics Homepages. They are about surround
> distribution of sound. Sounds really good, maybe it
> is just what I need. Can anyone tell me if it is
> possible to make a 3d distribution of sound just by
> using c-sound? Is there anything additional to
> c-sound syntehesis that encodes the synthesised sound
> spacially? What other gear is required besides four
> speakers? Do I need any decoder for distributing a
> prerecorded c-sound four track tape? Where can I get
> further information concerning this? Has anyone
> experiences? Please keep in mind that I am just
> starting to learn c-sound, but I would be happy about
> some hints.
> 
> Greetings, Jan Jacob
> _________________________________________________________
> DO YOU YAHOO!?