System and method for transmitting an oral message in a vehicle
US11107480B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Mar 27, 2018 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Jul 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for allowing at least one passenger, wearing a personal listening device broadcasting an audio signal, to hear an oral message uttered by an authorized person in a transport vehicle, the method including detecting, recording and encoding said oral message as a voice signal, configuring a “payload signal to noise” ratio in the perceived audio signal, in which the payload signal consists of the oral message and in which the noise consists of the audio signal and stray noise, at a value greater than a predetermined threshold, and broadcasting the voice signal on a wireless communication network, to a mobile terminal connected to the personal listening device or directly to the personal listening device in order to broadcast it to the at least one passenger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.