Use of mouth position and mouth movement to filter noise from speech in a hearing aid
US6707921B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Feb 21, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/43
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hearing aid includes an image sensing device, a sound input transducer, a sound output transducer, and a processor. The image sensing device detects an image from a selected region of a user of the hearing aid while the sound input transducer receives sound and produces an audio signal representative of the sound. The sound output transducer receives the audio signal and converts the audio signal to a sound wave that is provided to the user. The processor receives the image, analyzes the image to determine an existence of human-generated sound, and provides the audio signal from the sound input transducer to the sound output transducer when human-generated sound is detected. The audio signal is provided at a first level when human-generated sound is detected and is provided at a second level in an absence of human-generated sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.