Patent ID: 9102342
Filing Date: 2015-08-11
Classification: B61L

Abstract:
1. A sound system for a ground vehicle comprising: a line array of loudspeakers installed on the ground vehicle to allow broadside firing from the line array to project a sound beam forward from the vehicle along a direction of travel of the vehicle; first and second loudspeakers installed on the ground vehicle for projecting sound to the sides of the ground vehicle; a control system for applying drive signals to the loudspeakers of the line array and to the first and second loudspeakers, the control system being configured to provide an adjustment of drive signals applied to each loudspeaker of the line array thereby controlling side to side directional steering of the sound beam and, the control system being further configured to control a beam width of the sound beam; and automated, location dependent means for selecting the beam width and directional steering of the sound beam generated by the line array.