Device and method for improving the quality of in-ear microphone signals in noisy environments
US10783904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2017 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Oct 1, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method, and device, for enhancing speech generated from bone and tissue conduction of a user of an In-ear device in a noisy environment, the Intra-aural device having an in-ear microphone adapted to be in fluid communication with the ear canal of the user and an outer-ear microphone adapted to be in fluid communication with the environment outside the ear. The method comprises applying an adaptive filter on the in-ear microphone signal, using the outer-ear microphone signal as a reference for the ambient noise and interrupting the application of the adaptive filter to the In-ear microphone signal upon detecting speech by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.