Inventor

AYRAPETIAN ROBERT

US41 patents

⚠️ This page may combine multiple inventors who share the name “AYRAPETIAN ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AYRAPETIAN ROBERT

AMAZON TECH INC

Adaptive beamforming to create reference channels

Multichannel acoustic echo cancellation

Hybrid reference signal for acoustic echo cancellation

Multichannel acoustic echo cancellation for wireless applications

Reconfigurale fixed beam former using given microphone array

Multichannel acoustic echo cancellation with unique individual channel estimations

Clock synchronization for multichannel system

Acoustic echo cancellation with loudspeaker canceling beamformer

Multichannel noise cancellation using frequency domain spectrum masking

Multichannel noise cancellation using deep neural network masking

Adaptive echo cancellation

Parallel output paths for acoustic echo cancellation

Acoustic echo cancellation and automatic speech recognition with random noise

Multichannel acoustic echo cancellation with unique individual channel estimations

Adaptive estimation of delay in audio systems

Cascaded adaptive interference cancellation algorithms

Multichannel noise cancellation using frequency domain spectrum masking

Beamforming using filter coefficients corresponding to virtual microphones

Multichannel acoustic echo cancellation

Asynchronous clock frequency domain acoustic echo canceller

Asynchronous clock frequency domain acoustic echo canceller

Correcting clock drift via embedded sin waves

Noise estimation algorithm for non-stationary environments

Frequency domain acoustic echo cancellation using filters and variable step-size updates

Efficient dereverberation in networked audio systems

Echo cancellation by acoustic playback estimation

Asynchronous clock frequency domain acoustic echo canceller

Cyclically variable signal delays for acoustic echo cancellation

Parallel noise suppression

Clock synchronization for multichannel system

Signal rate synchronization for remote acoustic echo cancellation

Cascaded adaptive interference cancellation algorithms

Microphone reference echo cancellation

Correcting clock drift via embedded sine waves

Step-size control for multi-channel acoustic echo canceller

Group beam selection and beam merging

AYRAPETIAN ROBERT

Buffered crossbar switch with a linear buffer to port relationship that supports cells and packets of variable size

Method and apparatus for clock recovery in XDSL transceivers

CENDRILLON RAPHAEL

Equalization in a wireless multiple access communication system

RAWLES LLC

Signal rate synchronization for remote acoustic echo cancellation

IKANOS COMMUNICATION INC

Method and apparatus for symbol boundary synchronization