Noise cancellation device for communications in high noise environments
US8606572B2 · kind B2 · utility
11Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2010 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2021/02165
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This invention presents a noise cancellation device for improved personal face-to-face and radio communications in high noise environments. The device comprises speech acquisition components, an audio signal processing module, a loudspeaker, and a radio interface. With the noise cancellation device, the signal-to-noise ratio can be improved by as much as 30 dB.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.