| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system for reproducing musical sounds in a vehicle, which comfortably raises the recognizability of sound information being on the outside of the vehicle, even if difficult to hear the sound information when windows of the vehicle are shut. <P>SOLUTION: The system is provided with; a microphone (1) for collecting sounds being on the outside of the vehicle; a characteristic extraction means (frequency analysis part 3a) for extracting characteristics of collected sounds; a database (sound database 4) for storing a plurality of musical sound data; a means (control part 3c) for reading out musical sound data according with sound characteristics extracted by the characteristic extraction means, from the database; and a reproducing means (sound source part 5) for reproducing the read musical sound data in the vehicle. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
