Method and apparatus for mitigating false accepts of trigger phrases
US9418651B2 · kind B2 · utility
2Cited by
4References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 10, 2013 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | May 25, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2025/783
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a microphone that receives an audio signal, and a processor that is electrically coupled to the microphone. The processor detects a trigger phrase in the received audio signal and measure characteristics of the detected trigger phrase. Based on the measured characteristics of the detected trigger phrase, the processor determines whether the detected trigger phrase is valid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.