Speech processing apparatus and methods for processing burst-friction sounds
Filed: October 8th, 1987 [Granted]
Patent Number: 4809332
... OTHER PUBLICATIONS McCandless, "An Algorithm for Automatic Formant Extraction Using Linear Prediction Spectra", IEEE Trans. Acoust, Speech, and Signal ...
Speech processing apparatus and methods
Filed: June 9th, 1987 [Granted]
Patent Number: 4820059
... OTHER PUBLICATIONS Flanagan, Speech Analysis Synthesis and Perception, Springer-Verlag, 1972, face sheet and pp. 194-197, 202-203.
Adaptive noise reduction circuit for a sound reproduction system
Filed: February 27th, 1992 [Granted]
Patent Number: 5412735
ADAPTIVE NOISE REDUCTION CIRCUIT FOR A SOUND REPRODUCTION SYSTEM This invention was made with US Government 5 support under Veterans Administration Contract ...
Hearing aids, signal supplying apparatus, systems for compensating hearing ...
Filed: August 28th, 1984 [Granted]
Patent Number: 4548082
[54] HEARING AIDS, SIGNAL SUPPLYING APPARATUS, SYSTEMS FOR COMPENSATING HEARING DEFICIENCIES, AND METHODS [75] Inventors: A. Maynard Engebretson, Ladue; ...
Electronic filters, hearing aids and methods
Filed: May 10th, 1993 [Granted]
Patent Number: 5475759
1 ELECTRONIC FILTERS, HEARING AIDS AND METHODS GOVERNMENT SUPPORT 5 This invention was made with US Government support under Veterans Administration ...
Electronic filters, repeated signal charge conversion apparatus, hearing ...
Filed: November 15th, 1991 [Granted]
Patent Number: 5225836
ELECTRONIC FILTERS, REPEATED SIGNAL CHARGE CONVERSION APPARATUS, HEARING AIDS AND METHODS 5 NOTICE Copyright (C) 1988 Central Institute for the Deaf.
Electronic filters, signal conversion apparatus, hearing aids and methods
Filed: April 11th, 1988 [Granted]
Patent Number: 5111419
1 ELECTRONIC FILTERS, SIGNAL CONVERSION APPARATUS, HEARING AIDS AND METHODS GOVERNMENT SUPPORT 5 This invention was made with US Government support under ...
Electronic simulator of non-linear and active cochlear spectrum analysis
Filed: November 2nd, 1992 [Granted]
Patent Number: 5402493
United States Patent m Goldstein [li] Patent Number: [45] Date of Patent: 5402493 Mar. 28, 1995 [54] ELECTRONIC SIMULATOR OF NON-LINEAR AND ACTIVE COCHLEAR ...