Three-Dimensional Audio Client Library

NASA Tech Briefs, Feb 2005 by Rizzi, Stephen A

The Three-Dimensional Audio Client Library (3DAudio library) is a group of software routines written to facilitate development of both stand-alone (audio only) and immersive virtual-reality application programs that utilize three-dimensional audio displays. The library is intended to enable the development of three-dimensional audio client application programs by use of a code base common to multiple audio server computers. The SDAudio library calls vendor-specific audio client libraries and currently supports the AuSIM GoldServer and Lake Huron audio servers. SDAudio library routines contain common functions for (1) initiation and termination of a client/audio server session, (2) configuration-file input, (3) positioning functions, (4) coordinate transformations, (5) audio transport functions, (6) rendering functions, (7) debugging functions, and (8) event-listsequencing functions. The SDAudio software is written in the C programming language and currently operates under the Linux, IRIX, and Windows operating systems.

This program was written by Stephen A. Rizzi of Langley Research Center. For further information, contact the Intellectual Property Team at (757) 864-3521.

LAR-16690-1