Patent ID: 11869510
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. A computing system, comprising:
one or more processors; and
a memory storing program instructions that, when executed by the one or more processors, cause the one or more processors to at least:
receive a plurality of audio data segments representative of a speech;
for each of the plurality of audio data segments:
convert the audio data segment into a log melspectrogram;
process the log melspectrogram to determine that a keyword of a plurality of keywords is represented by at least a portion of the log melspectrogram; and
determine a keyword count indicative of a number of keywords determined to be represented in the plurality of audio data segments;

determine if the keyword count exceeds an authentication threshold; and
in response to a determination that the keyword count exceeds the authentication threshold:
send, to a device that is separate from the computing system, a request for a second plurality of audio data segments generated by the device; and
generate an embedding vector representative of at least a portion of the speech, based at least in part on:
at least a first portion of the audio data received at the computing system; and
at least a second portion of the second plurality of audio data segments generated by the device.