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Three-dimensional audio processor

Author

David Paul Christensen, University of the Pacific

Date of Award

1997

Document Type

Thesis - Pacific Access Restricted

Degree Name

Master of Science (M.S.)

Department

Engineering

First Advisor

Richard H. Turpin

First Committee Member

William R. Topp

Second Committee Member

George W. Schroeder

Third Committee Member

Thuan V. Nguyen

Abstract

The thesis presents the principles, design, implementation, and test results of a prototype three-dimensional audio processor based upon the Analog Devices EZ-KIT Lite digital signal processing development platform. The three-dimensional audio processor simulates a virtual sound source that is free to move in three-dimensional space using a monaural audio source for input, a personal computer and mouse for source position control, and six loudspeakers arranged in a Cartesian array for output. Source distance, direction, and speed cues are produced by the processor using the Inverse Square Law, time delay, loudspeaker mixing, and sampling rate conversion by third-order polynomial interpolation. Test results confirm the performance of the three-dimensional audio processor.

Pages

122

Recommended Citation

Christensen, David Paul. (1997). Three-dimensional audio processor. University of the Pacific, Thesis - Pacific Access Restricted. https://scholarlycommons.pacific.edu/uop_etds/2315