Patent №
US 11,348,595
Granted
2022-05-31
Filed 2017
Owner
BLACKBERRY LIMITED
+2 more
Lab
—
AI components
4
ml · nlp · speech · hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
15835215
A system and method that enhances spoken utterances and provides entertainment by capturing one or more microphone signals containing echo and decomposing the one or more microphone signals into a plurality of signal paths through a synthesizer that adds or makes non-linear modifications to some of the captured one or more microphone signals. The system and method and estimates multiple echo paths from each of the one the one or more microphones. The system and method processes the captured microphone signals in response to the estimated plurality of echo paths by subtracting the echo contributions of each of the plurality of echo paths from the captured one or more microphone signals. The system and method also provide signal separation and post processing functions that renders speech recognition gaming applications.
AI classification
Ownership
BLACKBERRY LIMITED
assignment · 453110259
QNX SOFTWARE SYSTEMS LIMITED
assignment · 453120462
2236008 ONTARIO INC.
assignment · 453120683
Assignors
PARANJPE, SHREYAS ANAND, HETHERINGTON, PHILLIP ALAN
On an employer assignment, the assignors are typically the inventors.