References

[1] Apple Computer Inc.  (1994):  "Inside MAcintosh - Sound".  Addison-Wesley PublishingCompany, U.S.A.

[2] Brink, Van.  David.  (199?).  "Music the Easy Way:  The Quick Time Music Architecture".  Develop, the Apple Technical Journal.  Issue 23.  U.S.A

[3] Easton, D. Randolph.  (1992):  "Inherent Problems of Attempts to Apply Sonar and Vibrotactile Sensory Aid Technology to the Perceptual Needs of the Blind."  Optometry and Vision Science 69 (1),
3-14.

[4] Heyes, D. Anthony. (1984). "The Sonic Pathfinder:  A New Electronic Travel Aid."  Journal of Visual Impairment and Blindness, 77, 200-202.

[5] Kapralos, B.  (1997).  "Conversion of Distance Readings into Audible Sound".  Summer Research  Report.  York University Department of Computer Science.

[6] Kay, Leslie. (1984). Acoustic Coupling to the Ears in Binaural Sensory Aids. Journal of Visual Impairment and Blindness, 77, 12-16.

[7] Lacey, Gerrard and Kenneth Dawson-Howe. (1997). "Evaluation of Robot Mobility Aid for the Elderly Blind." Proceedings of the Fifth International Symposium on Intelligent Robotic Systems, Stockholm Sweden.

[8] Nickerson S. B, P. Jasiobedzki, D. Wilkes, M. Jenkin, E. Milios, J. Tsotsos, A. Jepson, O.N.Bains:"An Autonomous Mobile Robot for known Industrial Environments.''  Robotics and Autonomous Systems, accepted, April 1998.

[9] Walker, N.  Bruce and Gregory Kramer.  "Mappings and Metaphors in Auditory Displays: An Experimental Assessment."  Proceedings of the Third International Conference of Auditory Display. November 4-6, 1996.&n bsp; Palo Alto California.