Microphone array
US8406436B2 · kind B2 · utility
42Cited by
2References
48Claims
0Family size
Inventors
Key dates
| Filing date | Oct 5, 2007 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | May 21, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sound capture device comprises a symmetric microphone array that includes non-radially-oriented directional sensors (101). The device typically derives a spherical harmonic representation of the incident sound field, and affords higher signal-to-noise ratios and better directional fidelity than prior arrays, across a wide range of audio frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.