Engine sound enhancement
US11322132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Aug 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, devices and apparatuses for a sound enhancement system. The sound enhancement system includes an airflow sensor. The airflow sensor is configured to measure an airflow into an engine of the vehicle. The sound enhancement system includes an electronic control unit. The electronic control unit is coupled to the airflow sensor. The electronic control unit is configured to determine a time of when to output an audio signal that mimics or enhances engine sound based on the airflow into the engine of the vehicle. The electronic control unit is configured to generate the audio signal based on the airflow into the engine of the vehicle. The sound enhancement system includes an audio device. The audio device is configured to output the audio signal based on the timing of when to output the audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.