Inventor

IYENGAR VASU

US44 patents

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

IYENGAR VASU

APPLE INC

Microphone-based orientation sensors and related techniques

Microphone partial occlusion detector

Coordination of beamformers for noise estimation and noise suppression

Echo cancellation and control for microphone beam patterns

Speech enhancement for an electronic device

Ambient sound enhancement and acoustic noise cancellation based on context

Method and system for detecting and mitigating audio howl in headsets

Automatic level control for psychoacoustic bass enhancement

System and method for performing speech enhancement using a neural network-based combined symbol

Location based storage and upload of acoustic environment related information

System and method for audio noise processing and noise reduction

Audio noise estimation and audio noise reduction using multiple microphones

Location based storage and upload of acoustic environment related information

Methods and devices for reverberation suppression

Mitigating noise in audio signals

Transparent near-end user control over far-end speech enhancement processing

System and method of double talk detection with acoustic echo and noise control

Ambient sound enhancement based on hearing profile and acoustic noise cancellation

Adaptive noise cancellation and speech filtering for electronic devices

Adaptive noise cancellation and speech filtering for electronic devices

Self-voice adaptation

Threshold adaptation in two-channel noise estimation and voice activity detection

System and method for reducing noise from time division multiplexing of a cellular communications transmitter

System and method of noise reduction for a mobile device

AGERE SYSTEMS INC

Digital cordless telephone with speakerphone in a remote handset

Handset access of message in digital cordless telephone

Configurable echo canceller

Message playback concurrent with speakerphone operation

Efficient compression of VROM messages for telephone answering devices

Transmitting message playback concurrent with speakerphone operation

LUCENT TECHNOLOGIES INC

Echo canceller system with shared coefficient memory

Communication system based on echo canceler tap profile

Echo canceller with adaptive and non-adaptive filters

Speech coding selection based on call related information

Silence compression for recorded voice messages

NORTHERN TELECOM LTD

Speech bandwidth extension method and apparatus

Methods and apparatus for estimating and adjusting the frequency response of telecommunications channels

AGERE SYST GUARDIAN CORP

Call related information receiver unit

Apparatus for enhanced voice quality in multiple cordless handset environment and method

WALTERS LUKE C

Rejecting noise with paired microphones

ZHANG YOU

Automobile speech-recognition interface

ISABELLE STEVEN H

Dynamic gain adjustment based on signal to ambient noise level

LUCENT TECHOLOGIES INC

Performance enhancement of tone detection and FSK detection using hybrid echo cancellation

IYENGAR VASU

Noise level estimator