DRIVING SUPPORT DEVICE

Provided is a driving support device which can perform an effective warning to occupants of the vehicle in order to avoid collision between one's own vehicle and another vehicle. A driving support device includes: an acoustic device ; an outside-world information acquisition unit ; a relative distance measurement unit which measures the relative distance from another vehicle traveling ahead of the vehicle based on the outside-world information acquired by the outside-world information acquisition unit ; and a music control unit which control music outputted by an acoustic device , in which the music control unit modulates the tone of music according to the relative distance, in the case of the relative distance becoming no more than a first predetermined distance D, in a state of outputting music by the acoustic device