Electronic device and controlling method thereof
US11227597B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/226
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device for performing a voice recognition and a controlling method are provided. The method includes receiving a plurality of voice signals and a metadata signal in a non-audible frequency band regarding at least one of the plurality of voice signals, through the plurality of microphones, obtaining direction information and frequency band information regarding each of the plurality of voice signals and the metadata signal, identifying the plurality of voice signals and the metadata signal, respectively, based on the direction information and the frequency band information, identifying a voice signal of which direction information is same as direction information of the metadata signal and a voice signal of which direction information is different from direction information of the metadata signal, respectively, among the plurality of voice signals, and performing a voice recognition based on the voice signal of which direction information is different from the direction information of the metadata signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.