Sound input device
US8249273B2 · kind B2 · utility
63Cited by
2References
9Claims
0Family size
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Inventors
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Dec 28, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/21
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A sound input device includes a differential microphone, configured to receive sound including noise, and generate a first signal in accordance with the sound; a detector, configured to detect the noise, and generate a second signal in accordance with the detected noise; and a controller, configured to control at least one of suppression of high-frequency components of the first signal and changing of a frequency band to be suppressed of the first signal based on the second signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.