Chao He

Person

Bothell, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 9,741,354
- Issue date Aug 22, 2017
- Microsoft Technology Licensing, LLC
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 9,349,376
- Issue date May 24, 2016
- Microsoft Technology Licensing, LLC
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 9,026,452
- Issue date May 5, 2015
- Microsoft Technology Licensing, LLC
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Filter bank optimization for acoustic echo cancellation
- Patent number 8,942,370
- Issue date Jan 27, 2015
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice switching for voice communication on computers
- Patent number 8,934,945
- Issue date Jan 13, 2015
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mitigation of echo in voice communication using echo detection and...
- Patent number 8,750,491
- Issue date Jun 10, 2014
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 8,645,146
- Issue date Feb 4, 2014
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Mixed lossless audio compression
- Patent number 8,630,861
- Issue date Jan 14, 2014
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Echo presence determination in voice conversations
- Patent number 8,385,558
- Issue date Feb 26, 2013
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice switching for voice communication on computers
- Patent number 8,380,253
- Issue date Feb 19, 2013
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timestamp quality assessment for assuring acoustic echo canceller o...
- Patent number 8,369,251
- Issue date Feb 5, 2013
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selective glitch detection, clock drift compensation, and anti-clip...
- Patent number 8,295,475
- Issue date Oct 23, 2012
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing timestamp noise in audio echo can...
- Patent number 8,259,928
- Issue date Sep 4, 2012
- Microsoft Corporation
- Chao He
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 8,255,229
- Issue date Aug 28, 2012
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Keystroke sound suppression
- Patent number 8,213,635
- Issue date Jul 3, 2012
- Microsoft Corporation
- Qin Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic echo cancellation and adaptive filters
- Patent number 8,170,226
- Issue date May 1, 2012
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Filter bank optimization for acoustic echo cancellation
- Patent number 8,155,304
- Issue date Apr 10, 2012
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixed lossless audio compression
- Patent number 8,108,221
- Issue date Jan 31, 2012
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Shape and scale parameters for extended-band frequency coding
- Patent number 7,953,604
- Issue date May 31, 2011
- Microsoft Corporation
- Sanjeev Mehrotra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Bitstream syntax for multi-process audio decoding
- Patent number 7,885,819
- Issue date Feb 8, 2011
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Integration of a microphone array with acoustic echo cancellation a...
- Patent number 7,831,035
- Issue date Nov 9, 2010
- Microsoft Corporation
- Jack W. Stokes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integration of a microphone array with acoustic echo cancellation a...
- Patent number 7,773,743
- Issue date Aug 10, 2010
- Microsoft Corporation
- Jack W. Stokes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Suppression of acoustic feedback in voice communications
- Patent number 7,764,634
- Issue date Jul 27, 2010
- Microsoft Corporation
- Wei Zhong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reordering coefficients for waveform coding or decoding
- Patent number 7,693,709
- Issue date Apr 6, 2010
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Prediction of spectral coefficients in waveform coding and decoding
- Patent number 7,684,981
- Issue date Mar 23, 2010
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Coding and decoding scale factor information
- Patent number 7,539,612
- Issue date May 26, 2009
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Mixed lossless audio compression
- Patent number 7,536,305
- Issue date May 19, 2009
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Unified lossy and lossless audio compression
- Patent number 7,424,434
- Issue date Sep 9, 2008
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Innovations in pure lossless audio compression
- Patent number 7,328,150
- Issue date Feb 5, 2008
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20160247515
- Publication date Aug 25, 2016
- Microsoft Technology Licensing, LLC
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20150213804
- Publication date Jul 30, 2015
- Microsoft Technology Licensing, LLC
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20140156287
- Publication date Jun 5, 2014
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS
- Publication number 20130148801
- Publication date Jun 13, 2013
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20120323584
- Publication date Dec 20, 2012
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
FILTER BANK OPTIMIZATION FOR ACOUSTIC ECHO CANCELLATION
- Publication number 20120163615
- Publication date Jun 28, 2012
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIXED LOSSLESS AUDIO COMPRESSION
- Publication number 20120128162
- Publication date May 24, 2012
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20110196684
- Publication date Aug 11, 2011
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MITIGATION OF ECHO IN VOICE COMMUNICATION USING ECHO DETECTION AND...
- Publication number 20100246804
- Publication date Sep 30, 2010
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ECHO PRESENCE DETERMINATION IN VOICE CONVERSATIONS
- Publication number 20100177884
- Publication date Jul 15, 2010
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KEYSTROKE SOUND SUPPRESSION
- Publication number 20100145689
- Publication date Jun 10, 2010
- Microsoft Corporation
- Qin Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
USING FRACTIONAL EXPONENTS TO REDUCE THE COMPUTATIONAL COMPLEXITY O...
- Publication number 20090319589
- Publication date Dec 24, 2009
- Microsoft Corporation
- Marc Holder Kluver
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIMESTAMP QUALITY ASSESSMENT FOR ASSURING ACOUSTIC ECHO CANCELLER O...
- Publication number 20090316881
- Publication date Dec 24, 2009
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACCOUSTIC ECHO CANCELLATION AND ADAPTIVE FILTERS
- Publication number 20090316924
- Publication date Dec 24, 2009
- Microsoft Corporation
- Vinod Prakash
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIXED LOSSLESS AUDIO COMPRESSION
- Publication number 20090228290
- Publication date Sep 10, 2009
- Microsoft Corporation
- Wei-Ge Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Multi-Channel Hole-Filling For Audio Compression
- Publication number 20090210222
- Publication date Aug 20, 2009
- Microsoft Corporation
- Sanjeev Mehrotra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS
- Publication number 20090207763
- Publication date Aug 20, 2009
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING
- Publication number 20090006103
- Publication date Jan 1, 2009
- Microsoft Corporation
- Kazuhito Koishida
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method and apparatus for reducing timestamp noise in audio echo can...
- Publication number 20080259828
- Publication date Oct 23, 2008
- Microsoft Corporation
- Chao He
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Filter bank optimization for acoustic echo cancellation
- Publication number 20080253553
- Publication date Oct 16, 2008
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for mitigating impact of nonlinear effects on...
- Publication number 20080247535
- Publication date Oct 9, 2008
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Integration of a microphone array with acoustic echo cancellation a...
- Publication number 20070263849
- Publication date Nov 15, 2007
- Microsoft Corporation
- Jack W. Stokes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Integration of a microphone array with acoustic echo cancellation a...
- Publication number 20070263850
- Publication date Nov 15, 2007
- Microsoft Corporation
- Jack W. Stokes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Shape and scale parameters for extended-band frequency coding
- Publication number 20070174063
- Publication date Jul 26, 2007
- Microsoft Corporation
- Sanjeev Mehrotra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Selective glitch detection, clock drift compensation, and anti-clip...
- Publication number 20070165838
- Publication date Jul 19, 2007
- Microsoft Corporation
- Qin Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Suppression of Acoustic Feedback in Voice Communications
- Publication number 20070165880
- Publication date Jul 19, 2007
- Microsoft Corporation
- Wei Zhong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reordering coefficients for waveform coding or decoding
- Publication number 20070016406
- Publication date Jan 18, 2007
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Prediction of spectral coefficients in waveform coding and decoding
- Publication number 20070016415
- Publication date Jan 18, 2007
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Coding and decoding scale factor information
- Publication number 20070016427
- Publication date Jan 18, 2007
- Microsoft Corporation
- Naveen Thumpudi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Fast headphone virtualization
- Publication number 20050276430
- Publication date Dec 15, 2005
- Microsoft Corporation
- Chao He
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Bitstream syntax for multi-process audio decoding

Bitstream syntax for multi-process audio decoding

Bitstream syntax for multi-process audio decoding

Filter bank optimization for acoustic echo cancellation

Voice switching for voice communication on computers

Mitigation of echo in voice communication using echo detection and...

Bitstream syntax for multi-process audio decoding

Mixed lossless audio compression

Echo presence determination in voice conversations

Voice switching for voice communication on computers

Timestamp quality assessment for assuring acoustic echo canceller o...

Selective glitch detection, clock drift compensation, and anti-clip...

Method and apparatus for reducing timestamp noise in audio echo can...

Bitstream syntax for multi-process audio decoding

Keystroke sound suppression

Acoustic echo cancellation and adaptive filters

Filter bank optimization for acoustic echo cancellation

Mixed lossless audio compression

Shape and scale parameters for extended-band frequency coding

Bitstream syntax for multi-process audio decoding

Integration of a microphone array with acoustic echo cancellation a...

Integration of a microphone array with acoustic echo cancellation a...

Suppression of acoustic feedback in voice communications

Reordering coefficients for waveform coding or decoding

Prediction of spectral coefficients in waveform coding and decoding

Coding and decoding scale factor information

Mixed lossless audio compression

Unified lossy and lossless audio compression

Innovations in pure lossless audio compression

Patents Applicationslast 30 patents

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

FILTER BANK OPTIMIZATION FOR ACOUSTIC ECHO CANCELLATION

MIXED LOSSLESS AUDIO COMPRESSION

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

MITIGATION OF ECHO IN VOICE COMMUNICATION USING ECHO DETECTION AND...

ECHO PRESENCE DETERMINATION IN VOICE CONVERSATIONS

KEYSTROKE SOUND SUPPRESSION

USING FRACTIONAL EXPONENTS TO REDUCE THE COMPUTATIONAL COMPLEXITY O...

TIMESTAMP QUALITY ASSESSMENT FOR ASSURING ACOUSTIC ECHO CANCELLER O...

ACCOUSTIC ECHO CANCELLATION AND ADAPTIVE FILTERS

MIXED LOSSLESS AUDIO COMPRESSION

Multi-Channel Hole-Filling For Audio Compression

VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS

BITSTREAM SYNTAX FOR MULTI-PROCESS AUDIO DECODING

Method and apparatus for reducing timestamp noise in audio echo can...

Filter bank optimization for acoustic echo cancellation

Method and apparatus for mitigating impact of nonlinear effects on...

Integration of a microphone array with acoustic echo cancellation a...

Integration of a microphone array with acoustic echo cancellation a...

Shape and scale parameters for extended-band frequency coding

Selective glitch detection, clock drift compensation, and anti-clip...

Suppression of Acoustic Feedback in Voice Communications

Reordering coefficients for waveform coding or decoding

Prediction of spectral coefficients in waveform coding and decoding

Coding and decoding scale factor information

Fast headphone virtualization