Chu; Wai C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chu; Wai C..The latest application filed is for "image data compression and decompression".

Company Profile

2.27.15

Chu; Wai C. - San Jose CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Sound source localization using multiple microphone arrays Grant 10,966,022 - Chu , et al. March 30, 2	2021-03-30
Acoustic echo cancellation using visual cues Grant 10,242,695 - Velusamy , et al.	2019-03-26
Acoustic echo cancellation using visual cues Grant 9,767,828 - Velusamy , et al. September 19, 2	2017-09-19
Sound source locator with distributed microphone array Grant 9,560,446 - Chang , et al. January 31, 2	2017-01-31
Sound source localization using multiple microphone arrays Grant 9,489,948 - Chu , et al. November 8, 2	2016-11-08
Acoustic echo cancellation processing based on feedback from speech recognizer Grant 9,373,338 - Gopalan , et al. June 21, 2	2016-06-21
Audio tap detection Grant 9,351,089 - Chu May 24, 2	2016-05-24
Estimation of time delay of arrival Grant 9,081,083 - Chu July 14, 2	2015-07-14
Sound source localization using multiple microphone arrays Grant 8,983,089 - Chu , et al. March 17, 2	2015-03-17
Null-forming techniques to improve acoustic echo cancellation Grant 8,885,815 - Velusamy , et al. November 11, 2	2014-11-11
Acoustic echo cancellation using blind source separation Grant 8,855,295 - Chhetri , et al. October 7, 2	2014-10-07
Image data compression and decompression Grant 8,582,906 - Chu , et al. November 12, 2	2013-11-12
Method and apparatus for acclimating aquatic organisms to a new environment Grant 8,156,898 - Luong , et al. April 17, 2	2012-04-17
Image Data Compression and Decompression App 20110216969 - Chu; Wai C. ; et al.	2011-09-08
Method And Apparatus For Acclimating Aquatic Organisms To A New Environment App 20090139457 - Luong; Le Quan ; et al.	2009-06-04
Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard Grant 7,512,534 - Chu March 31, 2	2009-03-31
Energy-based nonuniform time-scale modification of audio signals Grant 7,426,470 - Chu , et al. September 16, 2	2008-09-16
Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard Grant 7,389,226 - Chu June 17, 2	2008-06-17
Energy-based Nonuniform Time-scale Modification Of Audio Signals App 20080133251 - Chu; Wai C. ; et al.	2008-06-05
Energy-based Nonuniform Time-scale Modification Of Audio Signals App 20080133252 - Chu; Wai C. ; et al.	2008-06-05
Method and apparatus for gradient-descent based window optimization for linear prediction analysis Grant 7,231,344 - Chu June 12, 2	2007-06-12
Methods and apparatuses for variable dimension vector quantization App 20070118365 - Chu; Wai C.	2007-05-24
Methods and apparatuses for variable dimension vector quantization App 20070118371 - Chu; Wai C.	2007-05-24
Methods and apparatuses for variable dimension vector quantization App 20070118366 - Chu; Wai C.	2007-05-24
Methods and apparatuses for variable dimension vector quantization App 20070118370 - Chu; Wai C.	2007-05-24
Gradient descent optimization of linear prediction coefficients for speech coders Grant 7,200,552 - Chu , et al. April 3, 2	2007-04-03
Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard App 20070061136 - Chu; Wai C.	2007-03-15
Apparatus and method for audio coding App 20060015329 - Chu; Wai C.	2006-01-19
Methods and apparatuses for variable dimension vector quantization App 20040176950 - Chu, Wai C.	2004-09-09
Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard App 20040117175 - Chu, Wai C.	2004-06-17
Method and apparatus for gradient-descent based window optimization for linear prediction analysis App 20040083096 - Chu, Wai C.	2004-04-29
Energy-based nonuniform time-scale modification of audio signals App 20040068412 - Chu, Wai C. ; et al.	2004-04-08
Gradient descent optimization of linear prediction coefficient for speech coders App 20030204402 - Chu, Wai C. ; et al.	2003-10-30

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