Active control system for a vehicular dual microphone and a control method thereof
US10645494B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2019 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An active control system of a vehicular dual microphone and a control method thereof control a beamforming area of a microphone installed adjacent to each of a driver seat and a passenger seat to be directed toward a person (utterer) who utters a voice command. The control system and method use sitting height information and seat position information of the driver or the passenger and use passenger seat riding information. The control system determines output from a mouth shape change detection unit and the user and seat position detection unit, controls microphone beamforming of the driver seat according to the determined microphone beamforming control mode, and selectively adjusts a specific microphone gain according to the determined microphone beamforming control mode to separately control microphone beamforming of the driver seat and the passenger seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.