Patent ID: 11904772
Assignee: VOLVO CAR CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC B  G  H | IPC B  G  H

Claim 1:
2. A vehicle mounted system for providing an alert sound to be emitted by a specified electrified vehicle to fulfil Acoustic Vehicle Alerting System requirements for the specified vehicle, comprising:
a vehicle;
a first sound emitting unit mounted to the vehicle;
a first recording device for recording exterior operational sounds of the vehicle during electric operation thereof mounted exteriorly to the vehicle;
a second recording device for recording interior operational sounds of the vehicle during electric operation thereof mounted interiorly to the vehicle;
a sound shaping device, having a memory, mounted to the vehicle and electrically connected to the first and second recording devices, for creating and shaping an emitted alert sound of vehicle operational sounds, emitted from the vehicle mounted first sound emitting unit, the sound shaping device relying on a frequency spectrum of recorded interior noise to define optimal frequency bands and level range of the sound emitted from the first sound emitting unit so as to mimic existing frequency spectrum of the interior operational sounds of the specified vehicle; and
a controller, mounted to the vehicle connected to the first sound emitting unit, for controlling the emitting of those selected and shaped sounds from the first sound emitting unit as the alert sound for the acoustic alert system for the specified vehicle so as meet alert sound requirements for the specified vehicle in electric operation.