Prabhat K. Gupta

Person

Germantown, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Comfort noise generator for echo cancelers
- Patent number 5,949,888
- Issue date Sep 7, 1999
- Hughes Electronics Corporaton
- Sanjay Gupta
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method of detecting double talk in an echo canceller
- Patent number 5,809,463
- Issue date Sep 15, 1998
- Hughes Electronics
- Sanjay Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo suppressor for facsimile calls in a satellite network
- Patent number 5,793,755
- Issue date Aug 11, 1998
- Hughes Electronics Corporation
- Prabhat K. Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voiced, unvoiced or noise modes in a CELP vocoder
- Patent number 5,734,789
- Issue date Mar 31, 1998
- Hughes Electronics
- Kumar Swaminathan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method of detecting narrow-band signals in an echo canceller
- Patent number 5,689,556
- Issue date Nov 18, 1997
- Hughes Electronics
- Prabhat K. Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High performance error control coding in channel encoders and decoders
- Patent number 5,666,370
- Issue date Sep 9, 1997
- Hughes Electronics
- Kalyan Ganesan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for synthesizing an echo path in an echo canceller
- Patent number 5,649,012
- Issue date Jul 15, 1997
- Hughes Electronics
- Prabhat K. Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice activity detector for speech signals in variable background n...
- Patent number 5,649,055
- Issue date Jul 15, 1997
- Hughes Electronics
- Prabhat K. Gupta
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Removal of swirl artifacts from celp-based speech coders
- Patent number 5,633,982
- Issue date May 27, 1997
- Hughes Electronics
- Kalyan Ganesan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Mode-specific method and apparatus for encoding signals containing...
- Patent number 5,596,676
- Issue date Jan 21, 1997
- Hughes Electronics
- Kumar Swaminathan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise suppression in digital voice communications systems
- Patent number 5,533,133
- Issue date Jul 2, 1996
- Hughes Aircraft Company
- Allan Lamkin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Real-time implementation of a 8Kbps CELP coder on a DSP pair
- Patent number 5,491,771
- Issue date Feb 13, 1996
- Hughes Aircraft Company
- Prabhat K. Gupta
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice activity detector for speech signals in variable background n...
- Patent number 5,459,814
- Issue date Oct 17, 1995
- Hughes Aircraft Company
- Prabhat K. Gupta
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Prabhat K. Gupta

Person

Patents Grantslast 30 patents

Comfort noise generator for echo cancelers

Method of detecting double talk in an echo canceller

Echo suppressor for facsimile calls in a satellite network

Voiced, unvoiced or noise modes in a CELP vocoder

Method of detecting narrow-band signals in an echo canceller

High performance error control coding in channel encoders and decoders

Method for synthesizing an echo path in an echo canceller

Voice activity detector for speech signals in variable background n...

Removal of swirl artifacts from celp-based speech coders

Mode-specific method and apparatus for encoding signals containing...

Noise suppression in digital voice communications systems

Real-time implementation of a 8Kbps CELP coder on a DSP pair

Voice activity detector for speech signals in variable background n...