Inventor
Youhong Lu
Inventor
Vernon Hills, IL, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission24%
H04MTelephonic communication21%
G10LSpeech analysis techniques or speech synthesis18%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers12%
G10KSound-producing devices6%
H04QSelecting6%
H04SStereophonic systems6%
G01SRadio direction-finding3%
H03GControl of amplification3%
H03HImpedance networks, e.g. resonant circuits3%
PatentTitleYear
10,262,672Audio processing for speech201910,015,588Beamforming optimization for receiving audio signals20189,837,102User environment aware acoustic noise reduction20179,788,109'Microphone placement for sound source direction estimation'20179,723,152'Nonlinear echo suppression'20179,473,865'Integrated motion detection using changes in acoustic echo path'20169,426,279'Systems and methods for echo cancellation and echo suppression'20169,407,992'Estimation of reverberation decay related applications'20169,344,579'Variable step size echo cancellation with accounting for instantaneous interference'20169,049,281'Nonlinear echo suppression'20158,767,974'System and method for generating comfort noise'20148,634,569'Systems and methods for echo cancellation and echo suppression'20147,860,236'Method and system for echo cancellation in a network switch'20107,570,608'Echo canceller disabler for modulated data signals'20097,006,458'Echo canceller disabler for modulated data signals'20066,873,701'System and method for DTMF detection using likelihood ratios'20056,768,796'System and method for echo cancellation'20046,766,020'System and method for comfort noise generation'20046,711,259'Method and apparatus for noise suppression and side-tone generation'20046,590,972'DTMF detection based on LPC coefficients'20036,052,462'Double talk detection and echo control circuit'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Based in Sterling, VA, US· patent location history
2003–2009Patents assigned to 3COM CORP (6)· patent assignee history
2003–2014Based in Vernon Hills, IL, US· patent location history
2014–2016Patents assigned to CONEXANT SYSTEMS INC (5)· patent assignee history
2014–2017Patents assigned to LU YOUHONG (5)· patent assignee history
2014–2015Patents assigned to THORMUNDSSON TRAUSTI (2)· patent assignee history
2014–2019Based in Irvine, CA, US· patent location history
2016–2017Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (3)· patent assignee history
2016–2017Based in Redmond, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3COM CORP | 6 | 2003–2009 |
| CONEXANT SYSTEMS INC | 5 | 2014–2016 |
| LU YOUHONGself | 5 | 2014–2017 |
| MICROSOFT TECHNOLOGY LICENSING LLC | 3 | 2016–2017 |
| THORMUNDSSON TRAUSTI | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vernon Hills, Illinois, US | 9 | 2003–2014 |
| Irvine, California, US | 8 | 2014–2019 |
| Redmond, Washington, US | 3 | 2016–2017 |
| Sterling, Virginia, US | 1 | 2000 |