Method and apparatus for reproducing three-dimensional virtual s

Details Method and apparatus for reproducing three-dimensional virtual s Method and apparatus for reproducing three-dimensional virtual s

1996-04-01

1998-07-21

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 18, 381 63, H04R 500

Patent

active

057844674

ABSTRACT:
In the method and apparatus for obtaining acoustic characteristics of sound of a broad frequency range of from, for example, 0 to 20 KHz in a relatively short time with high accuracy even though an inexpensive computer is used; multiple sound ray vectors are defined; a virtual space is defined by a polygonal boundary; the propagation history data of the vector is calculated and stored, the vector being reflected at the boundary; and, based on the data, as for each of the vectors, a transient response thereof at an observation point is added to a time-series numerical array and stored, the response being determined on the basis of the reflected vector and a velocity potential determined at the observation point by a micro-area element of the vector defined on the boundary.

REFERENCES:
patent: 5105462 (1992-04-01), Lowe et al.
patent: 5467401 (1995-11-01), Nagamitsu et al.
patent: 5517570 (1996-05-01), Taylor

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