Embodiments disclose a vehicle which comprises a vehicle ceiling having a first sound wave reflection portion having a first sound wave reflection characteristic and a second portion having a second sound wave reflection characteristic, wherein the first sound wave reflection portion is more sound wave reflecting than the second sound wave reflection portion and at least one speaker arranged in the vehicle, so that a main sound emission direction is directed to the first sound wave reflection portion, so that a sound wave emitted by the speaker and reflected by the first sound wave reflection portion is perceptible as a diffuse sound by a person in the vehicle.
VEHICLE WITH SOUND WAVE REFLECTOR
VEHICULE EQUIPE D'UN REFLECTEUR D'ONDES ACOUSTIQUES
2015-06-23
Patent
Electronic Resource
English