Sound generator inquiry device and sound generator inquiry manner

摘要

P To provide a sound source search device capable of easily pinpointing the generation SPOT of an unusual sound generated abruptly from an inspection object vehicle. PSOLUTION: This sound source search device includes a sound collecting means 10, a dividing means 30, an extraction means 30, and an analysis means 30. The sound collecting means 10 collects sounds inside the compartment of the inspection object vehicle 40, and generates sound data. The dividing means 30 divides the generated sound data by a predetermined time interval and generates a plurality of divided sets of data. The extraction means 30 extracts a divided set of data from among the plurality of divided sets of data and based ON travel information of the vehicle 40. The analysis means 30 analyzes the extracted divided set of data and calculates a sound pressure distribution inside the compartment in the predetermined time interval. PCOPYRIGHT: (C)2010 and JPO& INPIT