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- Newsgroups: sci.virtual-worlds
- Path: sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!destroyer!cs.ubc.ca!uw-beaver!news.u.washington.edu!stein.u.washington.edu!hlab
- From: Chris Chesher <cchesher@uts.edu.au>
- Subject: Re: SCI: Three dimensional sound?
- Message-ID: <1992Nov23.160509.24767@u.washington.edu>
- Originator: hlab@stein.u.washington.edu
- Sender: news@u.washington.edu (USENET News System)
- Organization: Uni of Technology, Sydney
- References: <1992Nov16.095935.10365@u.washington.edu>
- Date: Mon, 23 Nov 1992 01:02:43 GMT
- Approved: cyberoid@milton.u.washington.edu
- Lines: 29
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-
- In article <1992Nov16.095935.10365@u.washington.edu> Sean McMains,
- mcmains@unt.edu writes:
-
- >What is the theory behind creating the illusion of a sound emanating
- >from a particular point in three dimensional space? With regard to
- >lateral motion, the amplitude and timing of the sounds entering each
- >ear could obviously be adjusted to create the desired effect. How
- >would one create the illusion of a sound coming from above or below
- >the listener? Or is this effect only possible through adjusting what
- >the listener hears as he moves his head?
-
- I think it current theory suggests that it is effects of
- the shape of the listener's ear which gives the impression
- of three dimensional sound. As we experience our world we
- learn to recognise the sound direction by those
- differences.
-
- I think it's important to emphasise the _learnt_ nature of
- these skills. Although it may be possible to simulate
- convincingly for one person what their impressions of
- "reality" are, other people may not be convinced at all.
-
- I think this is a fundamental issue which is often not
- adequately accounted for when people talk about virtual
- environments. The nature that virtual environments is
- different with different people, and especially, with
- different cultures.
-