Lu; Youhong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lu; Youhong.The latest application filed is for "hybrid active noise cancellation filter adaptation".

Company Profile

4.29.21

Lu; Youhong - Irvine CA
Lu; Youhong - San Diego CA
Lu; Youhong - Redmond WA US
Lu; Youhong - Vernon Hills IL US
Lu; Youhong - Sterling VA

*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
Systems and methods of pre-processing of speech signals for improved speech recognition Grant 11,270,721 - Lu , et al. March 8, 2	2022-03-08
Hybrid active noise cancellation filter adaptation Grant 11,205,412 - Lu , et al. December 21, 2	2021-12-21
Hybrid Active Noise Control System App 20210375255 - Lu; Youhong ; et al.	2021-12-02
Hybrid Active Noise Cancellation Filter Adaptation App 20210375254 - LU; Youhong ; et al.	2021-12-02
Hybrid active noise control system Grant 11,189,261 - Lu , et al. November 30, 2	2021-11-30
Hybrid active noise cancellation filter adaptation Grant 10,950,213 - Lu , et al. March 16, 2	2021-03-16
Systems and Methods of Pre-Processing of Speech Signals for Improved Speech Recognition App 20190355385 - Lu; Youhong ; et al.	2019-11-21
Audio processing for speech Grant 10,262,672 - Lu , et al.	2019-04-16
Audio Processing For Speech App 20190035415 - Lu; Youhong ; et al.	2019-01-31
Beamforming optimization for receiving audio signals Grant 10,015,588 - Lu , et al. July 3, 2	2018-07-03
Beamforming Optimization For Receiving Audio Signals App 20180176679 - Lu; Youhong ; et al.	2018-06-21
User environment aware acoustic noise reduction Grant 9,837,102 - Zad Issa , et al. December 5, 2	2017-12-05
Microphone placement for sound source direction estimation Grant 9,788,109 - Lu , et al. October 10, 2	2017-10-10
Nonlinear echo suppression Grant 9,723,152 - Lu , et al. August 1, 2	2017-08-01
Microphone Placement For Sound Source Direction Estimation App 20170070814 - Lu; Youhong ; et al.	2017-03-09
Integrated motion detection using changes in acoustic echo path Grant 9,473,865 - Thormundsson , et al. October 18, 2	2016-10-18
Systems and methods for echo cancellation and echo suppression Grant 9,426,279 - Lu , et al. August 23, 2	2016-08-23
Estimation of reverberation decay related applications Grant 9,407,992 - Gao , et al. August 2, 2	2016-08-02
Variable step size echo cancellation with accounting for instantaneous interference Grant 9,344,579 - Lu , et al. May 17, 2	2016-05-17
Variable Step Size Echo Cancellation With Accounting For Instantaneous Interference App 20160006880 - Lu; Youhong ; et al.	2016-01-07
User Environment Aware Acoustic Noise Reduction App 20160005422 - Zad Issa; Syavosh ; et al.	2016-01-07
Nonlinear Echo Suppression App 20150341501 - Lu; Youhong ; et al.	2015-11-26
Nonlinear echo suppression Grant 9,049,281 - Lu , et al. June 2, 2	2015-06-02
System and method for generating comfort noise Grant 8,767,974 - Lu , et al. July 1, 2	2014-07-01
Estimation Of Reverberation Decay Related Applications App 20140169575 - Gao; Chris X. ; et al.	2014-06-19
Systems And Methods For Echo Cancellation And Echo Suppression App 20140133649 - Lu; Youhong ; et al.	2014-05-15
Systems and methods for echo cancellation and echo suppression Grant 8,634,569 - Lu , et al. January 21, 2	2014-01-21
Echo Cancellation System And Method With Multiple Microphones And Multiple Speakers App 20140016794 - Lu; Youhong ; et al.	2014-01-16
Integrated Motion Detection Using Changes In Acoustic Echo Path App 20130230180 - Thormundsson; Trausti ; et al.	2013-09-05
Nonlinear Echo Suppression App 20120250871 - Lu; Youhong ; et al.	2012-10-04
Systems and Methods for Echo Cancellation and Echo Suppression App 20110170683 - Lu; Youhong ; et al.	2011-07-14
Method and system for echo cancellation in a network switch Grant 7,860,236 - Lu , et al. December 28, 2	2010-12-28
Echo canceller disabler for modulated data signals Grant 7,570,608 - Lu August 4, 2	2009-08-04
Method and System for Echo Cancellation In A Network Switch App 20080187129 - Lu; Youhong ; et al.	2008-08-07
Echo canceller disabler for modulated data signals App 20060146738 - Lu; Youhong	2006-07-06
Echo canceller disabler for modulated data signals Grant 7,006,458 - Lu February 28, 2	2006-02-28
System and method for DTMF detection using likelihood ratios Grant 6,873,701 - Tian , et al. March 29, 2	2005-03-29
System and method for echo cancellation Grant 6,768,796 - Lu July 27, 2	2004-07-27
System and method for comfort noise generation Grant 6,766,020 - Tian , et al. July 20, 2	2004-07-20
Method and apparatus for noise suppression and side-tone generation Grant 6,711,259 - Haimi-Cohen , et al. March 23, 2	2004-03-23
System and method for echo cancellation App 20020131583 - Lu, Youhong	2002-09-19
Double talk detection and echo control circuit Grant 6,052,462 - Lu April 18, 2	2000-04-18

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