Preemptive wakeword detection

A method, comprising:

• receiving first audio data representing a first user utterance;
• determining, based at least in part on a first audio signature of the first audio data corresponding to a stored audio signature of a first part of a first keyword, that at least a portion of the first audio data corresponds to the first part of the first keyword;
• initiating generation of first data indicating words included in the first user utterance;
• detecting an entirety of the first keyword from the first audio data;
• and
• causing generation of the first data to proceed based at least in part on the entirety of the first keyword being detected.

A device, comprising:

• one or more processors;
• and
• non-transitory computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
• receiving first audio data representing a first user utterance;
• determining, based at least in part on a first audio signature of the first audio data corresponding to a stored audio signature of a first part of a first keyword, that at least a portion of the first audio data corresponds to the first part of the first keyword;
• initiating generation of first data indicating words included in the first user utterance;
• detecting an entirety of the first keyword from the first audio data;
• and
• causing generation of the first data to proceed based at least in part on the entirety of the first keyword being detected.