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Peter Chu
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Lexington, MA, US
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last 30 patents
Information
Patent Grant
Distributed network of ceiling image-derived directional microphones
Patent number
12,120,273
Issue date
Oct 15, 2024
Hewlett-Packard Development Company, L.P.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Face detection guided sound source localization pan angle post proc...
Patent number
11,937,057
Issue date
Mar 19, 2024
Hewlett-Packard Development Company, L.P.
Yibo Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Decision tree training with difference subsets of training samples...
Patent number
11,893,506
Issue date
Feb 6, 2024
Hewlett-Packard Development Company, L.P.
Xiangdong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Replying to a spoken command
Patent number
11,798,544
Issue date
Oct 24, 2023
Polycom, LLC
Kwan Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Camera-view acoustic fence
Patent number
11,778,407
Issue date
Oct 3, 2023
Plantronics, Inc.
Peter L. Chu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Hybrid noise suppression for communication systems
Patent number
11,776,520
Issue date
Oct 3, 2023
Plantronics, Inc.
Kwan Kin Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Second-order gradient microphone system with baffles for teleconfer...
Patent number
11,750,968
Issue date
Sep 5, 2023
Plantronics, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent multi-camera switching with machine learning
Patent number
11,606,510
Issue date
Mar 14, 2023
Plantronics, Inc.
Jian David Wang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Method and system for controlling speaker tracking in a video confe...
Patent number
11,589,005
Issue date
Feb 21, 2023
Plantronics, Inc.
Yibo Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hybrid noise suppression
Patent number
11,587,575
Issue date
Feb 21, 2023
Plantronics, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid noise suppression for communication systems
Patent number
11,475,869
Issue date
Oct 18, 2022
Plantronics, Inc.
Kwan Kin Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PTP-based audio clock synchronization and alignment for acoustic ec...
Patent number
11,477,328
Issue date
Oct 18, 2022
Plantronics, Inc.
Yibo Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pairing devices in conference using ultrasonic beacon and subsequen...
Patent number
11,343,469
Issue date
May 24, 2022
Polycom, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic perimeter for reducing noise transmitted by a communicatio...
Patent number
11,228,834
Issue date
Jan 18, 2022
Polycom, Inc.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Pairing devices in conference using ultrasonic beacon and subsequen...
Patent number
11,153,531
Issue date
Oct 19, 2021
Polycom, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
People detection method for auto-framing and tracking in a video co...
Patent number
10,939,045
Issue date
Mar 2, 2021
Polycom, Inc.
Xiangdong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Advanced audio feedback reduction utilizing adaptive filters and no...
Patent number
10,938,992
Issue date
Mar 2, 2021
Polycom, Inc.
Kwan Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Second-order gradient microphone system with baffles for teleconfer...
Patent number
10,904,657
Issue date
Jan 26, 2021
Plantronics, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic perimeter for reducing noise transmitted by a communicatio...
Patent number
10,856,077
Issue date
Dec 1, 2020
Polycom, Inc.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Minimizing echo due to speaker-to-microphone coupling changes in an...
Patent number
10,819,857
Issue date
Oct 27, 2020
Polycom, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pairing devices in conference using ultrasonic beacon and subsequen...
Patent number
10,757,364
Issue date
Aug 25, 2020
Polycom, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic perimeter for reducing noise transmitted by a communicatio...
Patent number
10,750,282
Issue date
Aug 18, 2020
Polycom, Inc.
Kwan K. Truong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
People detection method for auto-framing and tracking in a video co...
Patent number
10,574,899
Issue date
Feb 25, 2020
Polycom, Inc.
Xiangdong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic perimeter for reducing noise transmitted by a communicatio...
Patent number
10,567,875
Issue date
Feb 18, 2020
Polycom, Inc.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Acoustic perimeter for reducing noise transmitted by a communicatio...
Patent number
10,555,080
Issue date
Feb 4, 2020
Polycom, Inc.
Kwan K. Truong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optimal view selection method in a video conference
Patent number
10,491,809
Issue date
Nov 26, 2019
Polycom, Inc.
Jinwei Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interference-free audio pickup in a video conference
Patent number
10,490,202
Issue date
Nov 26, 2019
Polycom, Inc.
Jinwei Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pairing devices in conference using ultrasonic beacon and subsequen...
Patent number
10,462,424
Issue date
Oct 29, 2019
Polycom, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio feedback reduction utilizing adaptive filters and nonlinear p...
Patent number
10,455,326
Issue date
Oct 22, 2019
Polycom, Inc.
Kwan Truong
G11 - INFORMATION STORAGE
Information
Patent Grant
Stereoscopic audio to visual sound stage matching in a teleconference
Patent number
10,447,970
Issue date
Oct 15, 2019
Polycom, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Replying to a Spoken Command
Publication number
20240038235
Publication date
Feb 1, 2024
Polycom, LLC
Kwan Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Distributed Network of Ceiling Image-Derived Directional Microphones
Publication number
20230412735
Publication date
Dec 21, 2023
Plantronics, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Shared Speakerphone System for Multiple Devices in a Conference Room
Publication number
20230353680
Publication date
Nov 2, 2023
Plantronics, Inc.
Peter L. Chu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Speaker Identification Based Device Pairing
Publication number
20230337003
Publication date
Oct 19, 2023
Plantronics, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Software-Based Audio Clock Drift Detection and Correction Method
Publication number
20230134133
Publication date
May 4, 2023
Plantronics, Inc.
Yibo LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAMERA-VIEW ACOUSTIC FENCE
Publication number
20230053202
Publication date
Feb 16, 2023
Plantronics, Inc.
Peter L. CHU
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
FACE DETECTION GUIDED SOUND SOURCE LOCALIZATION PAN ANGLE POST PROC...
Publication number
20230025997
Publication date
Jan 26, 2023
Plantronics, Inc.
YIBO LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID NOISE SUPPRESSION FOR COMMUNICATION SYSTEMS
Publication number
20230015161
Publication date
Jan 19, 2023
Plantronics, Inc.
Kwan Kin Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INTELLIGENT MULTI-CAMERA SWITCHING WITH MACHINE LEARNING
Publication number
20220400216
Publication date
Dec 15, 2022
Plantronics, Inc.
Jian David WANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID NOISE SUPPRESSION FOR COMMUNICATION SYSTEMS
Publication number
20220262336
Publication date
Aug 18, 2022
Plantronics, Inc.
Kwan Kin Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC PERIMETER FOR REDUCING NOISE TRANSMITTED BY A COMMUNICATIO...
Publication number
20210136490
Publication date
May 6, 2021
POLYCOM, INC.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SECOND-ORDER GRADIENT MICROPHONE SYSTEM WITH BAFFLES FOR TELECONFER...
Publication number
20210112334
Publication date
Apr 15, 2021
Plantronics, Inc.
Peter L. Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Hybrid Noise Suppression
Publication number
20210110840
Publication date
Apr 15, 2021
Plantronics, Inc.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Pairing Devices in Conference Using Ultrasonic Beacon and Subsequen...
Publication number
20210051300
Publication date
Feb 18, 2021
POLYCOM, INC.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Pairing Devices in Conference Using Ultrasonic Beacon and Subsequen...
Publication number
20210037210
Publication date
Feb 4, 2021
POLYCOM, INC.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PTP-based Audio Clock Synchronization and Alignment for Acoustic Ec...
Publication number
20200358907
Publication date
Nov 12, 2020
Plantronics, Inc.
Yibo Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC PERIMETER FOR REDUCING NOISE TRANSMITTED BY A COMMUNICATIO...
Publication number
20200344546
Publication date
Oct 29, 2020
POLYCOM, INC.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ACOUSTIC PERIMETER FOR REDUCING NOISE TRANSMITTED BY A COMMUNICATIO...
Publication number
20200204911
Publication date
Jun 25, 2020
POLYCOM, INC.
Kwan K. Truong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PEOPLE DETECTION METHOD FOR AUTO-FRAMING AND TRACKING IN A VIDEO CO...
Publication number
20200195853
Publication date
Jun 18, 2020
POLYCOM, INC.
Xiangdong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC PERIMETER FOR REDUCING NOISE TRANSMITTED BY A COMMUNICATIO...
Publication number
20200029154
Publication date
Jan 23, 2020
POLYCOM, INC.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Pairing Devices in Conference Using Ultrasonic Beacon and Subsequen...
Publication number
20190373217
Publication date
Dec 5, 2019
POLYCOM, INC.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUDIO FEEDBACK REDUCTION UTILIZING ADAPTIVE FILTERS AND NONLINEAR P...
Publication number
20190253796
Publication date
Aug 15, 2019
POLYCOM, INC.
Kwan Truong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACOUSTIC PERIMETER FOR REDUCING NOISE TRANSMITTED BY A COMMUNICATIO...
Publication number
20190238978
Publication date
Aug 1, 2019
POLYCOM, INC.
Kwan K. Truong
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
PEOPLE DETECTION METHOD FOR AUTO-FRAMING AND TRACKING IN A VIDEO CO...
Publication number
20190174068
Publication date
Jun 6, 2019
POLYCOM, INC.
Xiangdong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTIMAL VIEW SELECTION METHOD IN A VIDEO CONFERENCE
Publication number
20190158733
Publication date
May 23, 2019
POLYCOM, INC.
Jinwei Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERFERENCE-FREE AUDIO PICKUP IN A VIDEO CONFERENCE
Publication number
20190156849
Publication date
May 23, 2019
POLYCOM, INC.
Jinwei Feng
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
REPLYING TO A SPOKEN COMMAND
Publication number
20190042187
Publication date
Feb 7, 2019
POLYCOM, INC.
Kwan Truong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PEOPLE DETECTION METHOD FOR AUTO-FRAMING AND TRACKING IN A VIDEO CO...
Publication number
20190007623
Publication date
Jan 3, 2019
POLYCOM, INC.
Xiangdong Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Pairing Devices in Conference Using Ultrasonic Beacon and Subsequen...
Publication number
20180359447
Publication date
Dec 13, 2018
POLYCOM, INC.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Pairing Devices in Conference Using Ultrasonic Beacon and Subsequen...
Publication number
20170302886
Publication date
Oct 19, 2017
POLYCOM, INC.
Peter L. Chu
G06 - COMPUTING CALCULATING COUNTING