Method and apparatus for in-ear canal sound suppression
US9191740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2008 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Apr 22, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/05
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece (100) and acoustic management module for in-ear canal suppression control are provided. A method for suppressing signals for a conference call, a vehicle, and a general communication event is also provided. The earpiece can include an Ambient Sound Microphone (111) to capture ambient sound, an Ear Canal Receiver (125) to deliver audio content to an ear canal, an Ear Canal Microphone (123) configured to capture internal sound, and a processor (121). The processor can generate a voice activity level (622) and suppress an echo, spoken voice, and media content in the electronic internal signal, and mix an electronic ambient signal with an electronic internal signal in a ratio dependent on the voice activity level and a background noise level to produce a mixed signal (323) that is delivered to the ear canal (131).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.