Multiple microphone based directional sound filter
US8654990B2 · kind B2 · utility
44Cited by
2References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 2010 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Oct 24, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method for use in filtering of an acoustic signal are provided for producing an output signal of attenuated amount of diffuse sound in accordance with predetermined parameters of desired output directional response and required attenuation of diffuse sound. The system includes a filtration module and a filter generation module including a directional analysis module and filter construction module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.