| Patent | Date |
|---|
Distributed processing memory chip with embedded logic having both data memory and broadcast memory
Grant 5,751,987 - Mahant-Shetti , et al. May 12, 1 | 1998-05-12 |
Fixed text speaker verification method and apparatus
Grant 5,548,647 - Naik , et al. August 20, 1 | 1996-08-20 |
Apparatus, systems and methods for distributed signal processing
Grant 5,528,549 - Doddington , et al. June 18, 1 | 1996-06-18 |
Devices, systems and methods for implementing a Kanerva memory
Grant 5,390,139 - Smith , et al. February 14, 1 | 1995-02-14 |
Speech analysis method and apparatus
Grant 5,345,535 - Doddington September 6, 1 | 1994-09-06 |
System and method for time aligning speech
Grant 5,333,275 - Wheatley , et al. July 26, 1 | 1994-07-26 |
Apparatus and method for identifying a speech pattern
Grant 5,222,190 - Pawate , et al. June 22, 1 | 1993-06-22 |
Grammar-based checksum constraints for high performance speech recognition circuit
Grant 5,222,187 - Doddington , et al. June 22, 1 | 1993-06-22 |
Voice verification circuit for validating the identity of telephone calling card customers
Grant 5,216,720 - Naik , et al. June 1, 1 | 1993-06-01 |
Temporal decorrelation method for robust speaker verification
Grant 5,167,004 - Netsch , et al. November 24, 1 | 1992-11-24 |
Method for utilizing formant frequencies in speech recognition
Grant 5,146,539 - Doddington , et al. September 8, 1 | 1992-09-08 |
Voice verification circuit for validating the identity of an unknown person
Grant 5,054,083 - Naik , et al. October 1, 1 | 1991-10-01 |
Speaker-dependent connected speech word recognition method
Grant 4,989,248 - Schalk , et al. January 29, 1 | 1991-01-29 |
Efficient pruning algorithm for hidden markov model speech recognition
Grant 4,977,598 - Doddington , et al. December 11, 1 | 1990-12-11 |
Method of encoding speech signals involving the extraction of speech formant candidates in real time
Grant 4,922,539 - Rajasekaran , et al. May 1, 1 | 1990-05-01 |
Low cost speech recognition system and method
Grant 4,910,784 - Doddington , et al. March 20, 1 | 1990-03-20 |
Speaker independent speech recognition method and system
Grant 4,908,865 - Doddington , et al. March 13, 1 | 1990-03-13 |
Speaker-dependent connected speech word recognizer
Grant 4,831,551 - Schalk , et al. May 16, 1 | 1989-05-16 |
Very low rate speech encoder and decoder
Grant 4,815,134 - Picone , et al. March 21, 1 | 1989-03-21 |
Connected word recognition enrollment method
Grant 4,783,808 - Doddington , et al. November 8, 1 | 1988-11-08 |
Speaker-independent word recognizer
Grant 4,763,278 - Rajasekaran , et al. August 9, 1 | 1988-08-09 |
Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
Grant 4,731,846 - Secrest , et al. March 15, 1 | 1988-03-15 |
Speaker-independent word recognizer
Grant 4,712,242 - Rajasekaran , et al. December 8, 1 | 1987-12-08 |
Speech analysis/synthesis system with energy normalization and silence suppression
Grant 4,696,040 - Doddington , et al. September 22, 1 | 1987-09-22 |
Voice messaging system with unified pitch and voice tracking
Grant 4,696,038 - Doddington , et al. September 22, 1 | 1987-09-22 |
Speech analysis/synthesis system with silence suppression
Grant 4,696,039 - Doddington September 22, 1 | 1987-09-22 |
Voice messaging system with pitch-congruent baseband coding
Grant 4,667,340 - Arjmand , et al. May 19, 1 | 1987-05-19 |
Time encoding of LPC roots
Grant 4,625,286 - Papamichalis , et al. November 25, 1 | 1986-11-25 |
LPC pole encoding using reduced spectral shaping polynomial
Grant 4,536,886 - Papamichalis , et al. August 20, 1 | 1985-08-20 |
Data converter for a speech synthesizer
Grant 4,304,965 - Blanton , et al. December 8, 1 | 1981-12-08 |
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