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

Claim 17:
18. The apparatus of claim 17, wherein the program instructions that, when executed by the one or more processors, further cause the one or more processors to at least:
in response to a determination that at least a portion of the first log melspectrogram represents the first keyword, increase a keyword count;
in response to a determination that at least a portion of the second log melspectrogram represents the second keyword, increase the keyword count;
receive, from the microphone and as part of the enrollment process, a third audio data segment;
convert the third audio data segment into a third log melspectrogram;
process the third log melspectrogram to determine that the third log melspectrogram does not represent a third keyword;
in response to a determination that the third log melspectrogram does not represent the third keyword, not increase the keyword count; and
determine that the keyword count exceeds an authentication threshold; and
wherein the program instruction that, when executed by the one or more processors to authenticate the first audio data segment and the second audio data segment, are further executed in response to a determination that the keyword count exceeds the authentication threshold.