Trausti Thor Kristjansson

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for wall detection and localization
- Patent number 12,072,413
- Issue date Aug 27, 2024
- Amazon Technologies, Inc.
- Spencer Russell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controlling sensitivity of presence detection using ultrasonic signals
- Patent number 11,982,737
- Issue date May 14, 2024
- Amazon Technologies, Inc.
- Yuzhou Liu
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring non-stationary object distance using ultrasonic signals
- Patent number 11,921,187
- Issue date Mar 5, 2024
- Amazon Technologies, Inc.
- Spencer Russell
- G01 - MEASURING TESTING
Information Patent Grant
Inter-channel level difference based acoustic tap detection
- Patent number 11,785,406
- Issue date Oct 10, 2023
- Amazon Technologies, Inc.
- Savaskan Bulek
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Deep adaptive acoustic echo cancellation
- Patent number 11,727,912
- Issue date Aug 15, 2023
- Amazon Technologies, Inc.
- Harsha Inna Kedage Rao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Systems and methods for noise reduction
- Patent number 11,727,926
- Issue date Aug 15, 2023
- Amazon Technologies, Inc.
- Yuzhou Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detection of TV state using sub-audible signal
- Patent number 11,437,057
- Issue date Sep 6, 2022
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voice-controlled multimedia device
- Patent number 11,234,039
- Issue date Jan 25, 2022
- Amazon Technologies, Inc.
- Mark Lawrence
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Beamformer rotation
- Patent number 11,218,802
- Issue date Jan 4, 2022
- Amazon Technologies, Inc.
- Srivatsan Kandadai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microphone degradation detection and compensation
- Patent number 11,044,567
- Issue date Jun 22, 2021
- Amazon Technologies, Inc.
- Xiaoxue Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for autonomous loudspeaker room adaptation
- Patent number 10,959,018
- Issue date Mar 23, 2021
- Amazon Technologies, Inc.
- Guangji Shi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Beam level based adaptive target selection
- Patent number 10,937,441
- Issue date Mar 2, 2021
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Echo cancellation by acoustic playback estimation
- Patent number 10,937,418
- Issue date Mar 2, 2021
- Amazon Technologies, Inc.
- Navin Chatlani
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Inter-channel level difference based acoustic tap detection
- Patent number 10,911,881
- Issue date Feb 2, 2021
- Amazon Technologies, Inc.
- Savaskan Bulek
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Microphone failure detection and re-optimization
- Patent number 10,863,296
- Issue date Dec 8, 2020
- Amazon Technologies, Inc.
- Balaji Nagendran Thoshkahna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection of TV state using sub-audible signal
- Patent number 10,847,176
- Issue date Nov 24, 2020
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for efficient autonomous loudspeaker room adaptation
- Patent number 10,777,214
- Issue date Sep 15, 2020
- Amazon Technologies, Inc.
- Guangji Shi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multichannel noise cancellation using frequency domain spectrum mas...
- Patent number 10,755,728
- Issue date Aug 25, 2020
- Amazon Technologies, Inc.
- Robert Ayrapetian
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Analyzing noise levels to determine usability of microphones
- Patent number 10,685,664
- Issue date Jun 16, 2020
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Acoustic echo cancellation using loudspeaker position
- Patent number 10,622,004
- Issue date Apr 14, 2020
- Amazon Technologies, Inc.
- Xianxian Zhang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods for detecting double-talk
- Patent number 10,622,009
- Issue date Apr 14, 2020
- Amazon Technologies, Inc.
- Xianxian Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voice-controlled multimedia device
- Patent number 10,560,737
- Issue date Feb 11, 2020
- Amazon Technologies, Inc.
- Mark Lawrence
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multichannel noise cancellation using frequency domain spectrum mas...
- Patent number 10,553,236
- Issue date Feb 4, 2020
- Amazon Technologies, Inc.
- Robert Ayrapetian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multichannel noise cancellation using deep neural network masking
- Patent number 10,522,167
- Issue date Dec 31, 2019
- Amazon Techonlogies, Inc.
- Robert Ayrapetian
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Trigger word based beam selection
- Patent number 10,304,475
- Issue date May 28, 2019
- Amazon Technologies, Inc.
- Rui Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Volume adjustment for listening environment
- Patent number 10,147,439
- Issue date Dec 4, 2018
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods for reconstructing an audio signal
- Patent number 10,127,918
- Issue date Nov 13, 2018
- Amazon Technologies, Inc.
- Krishna Kamath Koteshwara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Echo latency estimation
- Patent number 9,947,338
- Issue date Apr 17, 2018
- Amazon Technologies, Inc.
- Krishna Kamath Koteshwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for speech enhancement and speech recognition using neural...
- Patent number 9,892,731
- Issue date Feb 13, 2018
- Trausti Thor Kristjansson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
INTER-CHANNEL LEVEL DIFFERENCE BASED ACOUSTIC TAP DETECTION
- Publication number 20210144499
- Publication date May 13, 2021
- AMAZON TECHNOLOGIES, INC.
- Savaskan Bulek
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DETECTION OF TV STATE USING SUB-AUDIBLE SIGNAL
- Publication number 20210074314
- Publication date Mar 11, 2021
- AMAZON TECHNOLOGIES, INC.
- Trausti Thor Kristjansson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOICE-CONTROLLED MULTIMEDIA DEVICE
- Publication number 20200177945
- Publication date Jun 4, 2020
- AMAZON TECHNOLOGIES, INC.
- Mark Lawrence
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTION OF TV STATE USING SUB-AUDIBLE SIGNAL
- Publication number 20190279655
- Publication date Sep 12, 2019
- AMAZON TECHNOLOGIES, INC.
- Trausti Thor Kristjansson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VOICE-CONTROLLED MULTIMEDIA DEVICE
- Publication number 20190281341
- Publication date Sep 12, 2019
- AMAZON TECHNOLOGIES, INC.
- Mark Lawrence
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS FOR SPEECH ENHANCEMENT AND SPEECH RECOGNITION USING NEURAL...
- Publication number 20170092268
- Publication date Mar 30, 2017
- Trausti Thor Kristjansson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Trausti Thor Kristjansson

Person

Patents Grantslast 30 patents

Method for wall detection and localization

Controlling sensitivity of presence detection using ultrasonic signals

Monitoring non-stationary object distance using ultrasonic signals

Inter-channel level difference based acoustic tap detection

Deep adaptive acoustic echo cancellation

Systems and methods for noise reduction

Detection of TV state using sub-audible signal

Voice-controlled multimedia device

Beamformer rotation

Microphone degradation detection and compensation

Method for autonomous loudspeaker room adaptation

Beam level based adaptive target selection

Echo cancellation by acoustic playback estimation

Inter-channel level difference based acoustic tap detection

Microphone failure detection and re-optimization

Detection of TV state using sub-audible signal

Method for efficient autonomous loudspeaker room adaptation

Multichannel noise cancellation using frequency domain spectrum mas...

Analyzing noise levels to determine usability of microphones

Acoustic echo cancellation using loudspeaker position

Methods for detecting double-talk

Voice-controlled multimedia device

Multichannel noise cancellation using frequency domain spectrum mas...

Multichannel noise cancellation using deep neural network masking

Trigger word based beam selection

Volume adjustment for listening environment

Methods for reconstructing an audio signal

Echo latency estimation

Methods for speech enhancement and speech recognition using neural...

Patents Applicationslast 30 patents

INTER-CHANNEL LEVEL DIFFERENCE BASED ACOUSTIC TAP DETECTION

DETECTION OF TV STATE USING SUB-AUDIBLE SIGNAL

VOICE-CONTROLLED MULTIMEDIA DEVICE

DETECTION OF TV STATE USING SUB-AUDIBLE SIGNAL

VOICE-CONTROLLED MULTIMEDIA DEVICE

METHODS FOR SPEECH ENHANCEMENT AND SPEECH RECOGNITION USING NEURAL...