Paired gradient and pressure microphones for rejecting wind and ambient noise
US8488829B2 · kind B2 · utility
6Cited by
0References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Sep 21, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device includes a windscreen in a first surface, a gradient microphone housed in a capsule having first and second outlets coupled to openings in a second surface displaced from the first surface, a pressure microphone mounted between the first and second surfaces, and circuitry coupled to the gradient microphone and the pressure microphone and operable to combine the signals of the microphones and provide a combined microphone signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.