Ramya Gopalan

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 11,624,800
- Issue date Apr 11, 2023
- Amazon Technologies, Inc.
- William Folwell Barton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic echo cancellation control
- Patent number 11,205,437
- Issue date Dec 21, 2021
- Amazon Technologies, Inc.
- Xianxian Zhang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 11,175,372
- Issue date Nov 16, 2021
- Amazon Technologies, Inc.
- William Folwell Barton
- G01 - MEASURING TESTING
Information Patent Grant
Beamforming for a wearable computer
- Patent number 10,863,270
- Issue date Dec 8, 2020
- Amazon Technologies, Inc.
- Jeffrey Cornelius O'Neill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 10,746,840
- Issue date Aug 18, 2020
- Amazon Technologies, Inc.
- William Folwell Barton
- G01 - MEASURING TESTING
Information Patent Grant
Voice-controlled device control using acoustic echo cancellation st...
- Patent number 10,586,534
- Issue date Mar 10, 2020
- Amazon Technologies, Inc.
- Paraskevas Argyropoulos
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods for detecting double talk
- Patent number 10,388,298
- Issue date Aug 20, 2019
- Amazon Technologies, Inc.
- Ramya Gopalan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beamforming for a wearable computer
- Patent number 10,244,313
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Jeffrey Cornelius O'Neill
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic echo cancellation using visual cues
- Patent number 10,242,695
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Kavitha Velusamy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Arbitration between voice-enabled devices
- Patent number 10,026,399
- Issue date Jul 17, 2018
- Amazon Technologies, Inc.
- Ramya Gopalan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for beam selection in microphone array beamformers
- Patent number 9,837,099
- Issue date Dec 5, 2017
- Amazon Technologies, Inc.
- Shiva Sundaram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic echo cancellation using visual cues
- Patent number 9,767,828
- Issue date Sep 19, 2017
- Amazon Technologies, Inc.
- Kavitha Velusamy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mitigating effects of electronic audio sources in expression detection
- Patent number 9,734,845
- Issue date Aug 15, 2017
- Amazon Technologies, Inc.
- Yue Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback based beamformed signal selection
- Patent number 9,734,822
- Issue date Aug 15, 2017
- Amazon Technologies, Inc.
- Shiva Sundaram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 9,689,960
- Issue date Jun 27, 2017
- Amazon Technologies, Inc.
- William Folwell Barton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for beam selection in microphone array beamformers
- Patent number 9,432,769
- Issue date Aug 30, 2016
- Amazon Technologies, Inc.
- Shiva Sundaram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam forming for a wearable computer
- Patent number 9,432,768
- Issue date Aug 30, 2016
- Amazon Technologies, Inc.
- Jeffrey Cornelius O'Neill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic echo cancellation processing based on feedback from speech...
- Patent number 9,373,338
- Issue date Jun 21, 2016
- Amazon Technologies, Inc.
- Ramya Gopalan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Null-forming techniques to improve acoustic echo cancellation
- Patent number 8,885,815
- Issue date Nov 11, 2014
- Rawles LLC
- Kavitha Velusamy
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic echo cancellation using blind source separation
- Patent number 8,855,295
- Issue date Oct 7, 2014
- Rawles LLC
- Amit S. Chhetri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
ARBITRATION BETWEEN VOICE-ENABLED DEVICES
- Publication number 20170076720
- Publication date Mar 16, 2017
- AMAZON TECHNOLOGIES, INC.
- Ramya Gopalan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Ramya Gopalan

Person

Patents Grantslast 30 patents

Beam rejection in multi-beam microphone systems

Acoustic echo cancellation control

Beam rejection in multi-beam microphone systems

Beamforming for a wearable computer

Beam rejection in multi-beam microphone systems

Voice-controlled device control using acoustic echo cancellation st...

Methods for detecting double talk

Beamforming for a wearable computer

Acoustic echo cancellation using visual cues

Arbitration between voice-enabled devices

Method and system for beam selection in microphone array beamformers

Acoustic echo cancellation using visual cues

Mitigating effects of electronic audio sources in expression detection

Feedback based beamformed signal selection

Beam rejection in multi-beam microphone systems

Method and system for beam selection in microphone array beamformers

Beam forming for a wearable computer

Acoustic echo cancellation processing based on feedback from speech...

Null-forming techniques to improve acoustic echo cancellation

Acoustic echo cancellation using blind source separation

Patents Applicationslast 30 patents

ARBITRATION BETWEEN VOICE-ENABLED DEVICES