Sound pickup device and sound pickup method
US10979839B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2019 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2410/01
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A sound pickup method obtains a correlation between a first sound pickup signal of a directional first microphone and a second sound pickup signal of a non-directional second microphone, and performs level control of the first sound pickup signal or the second sound pickup signal according to a calculation result of the correlation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.