Auto-adjusting sound masking system and method
US7460675B2 · kind B2 · utility
7Cited by
30References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jan 9, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04K2203/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system and method for generating a masking noise level and spectrum automatically adjusted to obtain a target masking noise spectrum in a room. The system comprises a white noise generator and a mask filter automatically determined according to a correction of an acoustical response of the room and to the target masking noise corrected by an ambient noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.