Amazon Technologies, Inc.

Raphael Petegrosso

Ilya Sokolov

Michael Thomas Peterson

Andrew Morris Werchniak

Aansh Shah

A system performs federated learning and retraining of a machine learning model used for processing audio detected by a user device. The system uses both gradient data (which may correspond to false-rejects) and audio data (which may correspond to false-positives) received from devices. The system may also use a teacher model to produce labels for data in an automated fashion, thus allowing retraining to happen in an unsupervised manner.

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Cambridge, MA, United States of America

Raphael Petegrosso