To provide a driving support device that does not annoy a driver.

The driving support device comprises: an object specifying unit (201) for specifying an object to call the attention of a vehicle driver; a sound detecting unit (105) for detecting sounds from a plurality of directions; and an active silencing unit (300) for reducing the sound from at least one of the plurality of directions so as to draw the attention of the driver to the object. The active silencing unit comprises: a waveform outputting unit (303) for outputting a waveform to reduce the sound from each of the plurality of directions; and an active silencing control unit (301) for specifying the direction of the sound to reduce and the degree of reducing the sound.