A method for controlling echo of a voice recognition system includes receiving at least two
audio input signals corresponding to sound sensed by at least two microphones in a …

Digital signal processing for microphone partial occlusion detection is described. In one
embodiment, an electronic system for audio noise processing and for noise reduction, using …

Abstract Systems, methods, and devices with reduced power consumption in network
microphone devices. In one embodiment, a network microphone device is configured to …

An acoustic interference cancellation system that performs beamforming using a subset of
microphones from a microphone array. For example, a first group of microphones from an …

An audio system has a housing in which are integrated a number of microphones. A
programmed processor accesses the microphone signals and produces a number of …

US10511718B2 - Post-teleconference playback using non-destructive audio transport - Google
Patents US10511718B2 - Post-teleconference playback using non-destructive audio transport …

Abstract Systems and methods for improving performance of a directional audio capture
system are provided. An example method includes correlating phase plots of at least two …

Digital signal processing techniques for automatically reducing audible noise from a sound
recording that contains speech. A noise suppression system uses two types of noise …

BACKGROUND Mobile communication systems allow a mobile phone to be used in different
environments such that the voice of the near end user is mixed with a variety of types and …

A method of post-processing banded gains for applying to an audio signal, an apparatus to
post-processed banded gains, and a tangible computer-readable storage medium …