Michael Walker

Person

Baltmannsweiler, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Speech recognition enhancer
- Patent number 7,734,472
- Issue date Jun 8, 2010
- Alcatel
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Exponential echo and noise reduction in silence intervals
- Patent number 6,999,920
- Issue date Feb 14, 2006
- Alcatel
- Hans-Jürgen Matt
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Adaptive noise level estimator
- Patent number 6,842,526
- Issue date Jan 11, 2005
- Alcatel
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Time-domain noise suppression
- Patent number 6,801,889
- Issue date Oct 5, 2004
- Alcatel
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and circuit arrangement for speech level measurement in a sp...
- Patent number 6,539,350
- Issue date Mar 25, 2003
- Alcatel
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multichannel echo canceller with a compander
- Patent number 6,498,850
- Issue date Dec 24, 2002
- Alcatel
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process for echo suppression with adaptive fir filters
- Patent number 6,493,448
- Issue date Dec 10, 2002
- Alcatel
- Armin Mann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Equipment and processes for echo suppression with adaptive fir filters
- Patent number 6,483,915
- Issue date Nov 19, 2002
- Alcatel
- Armin Mann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process for determining an echo coupling factor and the echo delay...
- Patent number 6,459,789
- Issue date Oct 1, 2002
- Alcatel
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process for improving the echo suppression in a telecommunications...
- Patent number 6,434,234
- Issue date Aug 13, 2002
- Alcatel
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Procedure for reducing interference in the transmission of an elect...
- Patent number 6,320,918
- Issue date Nov 20, 2001
- Alcatel
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method of adaptively adjusting the coefficients of a digital filter...
- Patent number 6,041,290
- Issue date Mar 21, 2000
- Alcatel
- Hans Jurgen Matt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and circuit arrangement for improving the transmission pr...
- Patent number 5,909,489
- Issue date Jun 1, 1999
- Alcatel Alsthom Compagnie Generale d'Electricite
- Hans Jurgen Matt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hands-free communication method for a multichannel transmission system
- Patent number 5,901,230
- Issue date May 4, 1999
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of providing adaptive echo cancellation
- Patent number 5,570,423
- Issue date Oct 29, 1996
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of improving sidetone attenuation in electroacoustic systems
- Patent number 5,467,394
- Issue date Nov 14, 1995
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for controlling the volume range of a voice ter...
- Patent number 5,359,653
- Issue date Oct 25, 1994
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and arrangement for linearizing the frequency response of...
- Patent number 5,068,903
- Issue date Nov 26, 1991
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice control circuit for a communication terminal
- Patent number 4,891,837
- Issue date Jan 2, 1990
- Alcatel N.V.
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compressor
- Patent number 4,823,392
- Issue date Apr 18, 1989
- Standard Elektrik Lorenz Aktiengesellschaft
- Michael Walker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for producing the operating voltages and the horizontal-def...
- Patent number 4,665,347
- Issue date May 12, 1987
- International Standard Electric Corporation
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Speech recognition enhancer
- Publication number 20050119886
- Publication date Jun 2, 2005
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Virtual microphone array
- Publication number 20040204933
- Publication date Oct 14, 2004
- ALCATEL
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive system control
- Publication number 20030235293
- Publication date Dec 25, 2003
- ALCATEL
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication device and a method for transmitting and receiving of...
- Publication number 20030065512
- Publication date Apr 3, 2003
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method for improving noise reduction in speech transmission in comm...
- Publication number 20030065509
- Publication date Apr 3, 2003
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method and circuit arrangement for reducing noise during voice comm...
- Publication number 20030033139
- Publication date Feb 13, 2003
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method of masking noise modulation and disturbing noise in voice co...
- Publication number 20020184013
- Publication date Dec 5, 2002
- ALCATEL
- Michael Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and arrangement for performing a fourier transformation adap...
- Publication number 20020177995
- Publication date Nov 28, 2002
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Adaptive noise level estimator
- Publication number 20020064288
- Publication date May 30, 2002
- ALCATEL
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Dynamics reduction for dynamics-limited audio systems
- Publication number 20020061112
- Publication date May 23, 2002
- ALCATEL
- Michael Walker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Interference-signal-dependent adaptive echo suppression
- Publication number 20020012429
- Publication date Jan 31, 2002
- ALCATEL
- Hans Jurgen Matt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephoning and hands-free speech for cordless final apparatus with...
- Publication number 20010055985
- Publication date Dec 27, 2001
- ALCATEL
- Hans Jurgen Matt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Time-domain noise suppression
- Publication number 20010028713
- Publication date Oct 11, 2001
- Michael Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Michael Walker

Person

Patents Grantslast 30 patents

Speech recognition enhancer

Exponential echo and noise reduction in silence intervals

Adaptive noise level estimator

Time-domain noise suppression

Method and circuit arrangement for speech level measurement in a sp...

Multichannel echo canceller with a compander

Process for echo suppression with adaptive fir filters

Equipment and processes for echo suppression with adaptive fir filters

Process for determining an echo coupling factor and the echo delay...

Process for improving the echo suppression in a telecommunications...

Procedure for reducing interference in the transmission of an elect...

Method of adaptively adjusting the coefficients of a digital filter...

Method of and circuit arrangement for improving the transmission pr...

Hands-free communication method for a multichannel transmission system

Method of providing adaptive echo cancellation

Method of improving sidetone attenuation in electroacoustic systems

Circuit arrangement for controlling the volume range of a voice ter...

Method of and arrangement for linearizing the frequency response of...

Voice control circuit for a communication terminal

Compressor

Circuit for producing the operating voltages and the horizontal-def...

Patents Applicationslast 30 patents

Speech recognition enhancer

Virtual microphone array

Adaptive system control

Communication device and a method for transmitting and receiving of...

Method for improving noise reduction in speech transmission in comm...

Method and circuit arrangement for reducing noise during voice comm...

Method of masking noise modulation and disturbing noise in voice co...

Method and arrangement for performing a fourier transformation adap...

Adaptive noise level estimator

Dynamics reduction for dynamics-limited audio systems

Interference-signal-dependent adaptive echo suppression

Telephoning and hands-free speech for cordless final apparatus with...

Time-domain noise suppression