Multi-look enhancement modeling and application for keyword spotting
US11410652B2 · kind B2 · utility
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Key dates
| Filing date | Jul 6, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Nov 5, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, computer system, and computer readable medium are provided for activating speech recognition based on keyword spotting (KWS). Waveform data corresponding to one or more speakers is received. One or more direction features are extracted from the received waveform data. One or more keywords are determined from the received waveform data based on the one or more extracted features. Speech recognition is activated based on detecting the determined keyword.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.