Automatic sensitivity control
US6151400A · kind A · utility
61Cited by
11References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1997 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Apr 23, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/606
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Again control arrangement for an auditory prosthesis, such as a hearing aid or cochlear prosthesis, is disclosed. The output of a controlled amplifier 11 is processed so as to derive an average noise floor level. This is compared to a predetermined level, and the gain adjusted slowly up or down in response to the comparison. Hardware and software implementations are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.