Amazon Technologies, Inc.

Shengbin Yang

Hugh Evan Secker-Walker

Stan Weidner Salvador

Karthik Ramakrishnan

Features are disclosed for selecting and using multiple transforms associated with a particular remote device for use in automatic speech recognition ('ASR'). Each transform may be based on statistics that have been generated from processing utterances that share some characteristic (e.g., acoustic characteristics, time frame within which the utterances where processed, etc.). When an utterance is received from the remote device, a particular transform or set of transforms may be selected for use in speech processing based on data obtained from the remote device, speech processing of a portion of the utterance, speech processing of prior utterances, etc. The transform or transforms used in processing the utterances may then be updated based on the results of the speech processing.

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Natick, MA, United States of America

Shengbin Yang