Search patents:
Speech processing apparatus and methods for processing burst-friction sounds
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
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
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 ...
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
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 ...
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
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
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 ...