Sorry, slow reply Ralph. The way I see it - focus on the virtual source,
not the listener position. Wherever the virtual source is positioned in
an installation, make the speakers respond as if there was a real source
at the virtual source position. If there was a gunshot at the virtual
source position, the gunshot should not play immediately from a speaker
some distance away from the virtual source position.
A person close to the further speaker (from the virtual source) should
hear the louder gunshot from the close speaker (to the virtual source)
and the softer gunshot from the further speaker at the same time. If the
softer gunshot arrived from the further speaker first, the proximity
effect might kick in.
I am talking about a DBAP context, where all speakers play at varying
levels, not for example VBAP. As I mentioned, this approach seems to
work very well when implemented.
On 2019/08/22 10:18 PM, Ralph Jones wrote:
Richard Foss, I still don’t get it, sorry. Perhaps I’m being obtuse. But to
clarify, you said:
for a particular real source
channel, delay its play out from a speaker FAR from the virtual source
LONGER than from a speaker CLOSE to the virtual source
(capitalization mine). Why do you want to delay the signal to the FARTHER
speaker? How does that help address proximity effect? It seems to me that it
would only accentuate it.
Ralph Jones
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Professor Richard Foss
Computer Science Department
Rhodes University
Grahamstown 6140
South Africa
Tel: +27 46 6038294
Cell: +27 83 288 9354
email: r.f...@ru.ac.za
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