Methods and apparatus for suppressing ambient noise using multiple audio signals
US8812309B2 · kind B2 · utility
6Cited by
12References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2008 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Jan 26, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for suppressing ambient noise using multiple audio signals may include providing at least two audio signals captured by at least two electro-acoustic transducers. The at least two audio signals may include desired audio and ambient noise. The method may also include performing beamforming on the at least two audio signals in order to obtain a desired audio reference signal that is separate from a noise reference signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.