linuxaudio.org

On Thu, 2010-02-25 at 11:27 -0700, Bearcat M. Sandor wrote:

quoted text
> Couldn't one create the sound of a fly moving through out a room simply

> by adjusting the balance of 4 speakers?

Yes, of course, this has been in the computer music composer's toolbox

for quite a number of years. For a little bit of background see (for

example):
http://cec.concordia.ca/eContact/Multichannel/spatial_music_short.html
> If so why do we need more than 4 speakers?
If you are using amplitude panning and any two speakers are more than 60

degrees apart in angle (or so) it becomes increasingly difficult to

create convincing virtual images between the speakers. The virtual image

tends to jump from one speaker to the other instead of smoothly panning

between them (this is an extreme simplification, of course). 
-- Fernando
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