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

In one embodiment, a process for Suppressing reverbera tions begins with a microphone of
a device of a user 30 obtaining a reverberant speech signal that originates from a clean …

A sound emission and collection device includes a speaker, a filter processing a sound
emission signal, microphones, echo cancellers cancelling regression sound signals of the …

A speech processing device includes a distance acquisition unit configured to acquire a
distance between a sound collection unit configured to record speech from a sound source …

Examples described herein relate to triggering voice assistant (s) on a network microphone
device (NMD). An NMD is a networked computing device that typically includes an …

Example techniques involve noise-robust acoustic echo cancellation. An example
implementation may involve causing one or more speakers of the playback device to play …

A method for continuously estimating reverberation decay comprising receiving a sequence
of audio data samples. Determining whether a plateau is present in the sequence of audio …

Disclosed herein are example techniques to support multiple voice assistant services. An
example implementation may involve a playback device capturing audio from the one or …

Example techniques involve systems with multiple acoustic echo cancellers. An example
implementation captures first audio within an acoustic environment and detecting, within the …

Abstract Systems and methods for media playback via a media playback system include
capturing sound data via a network microphone device and identifying a candidate wake …