| 摘要 |
PROBLEM TO BE SOLVED: To output a plurality of visible/audible sounds by selecting any of a plurality of sounds. SOLUTION: A car audio system 1 is provided with a first antiphase generating part 13 for generating a first inverse sound signal being an antiphase from a first sound signal, a second antiphase generating part 23 for generating a second inverse sound signal being an antiphase from a second sound signal, a first mixer 16 for outputting a first mixed signal obtained by mixing the first sound signal and the second inverse sound signal, and a second mixer 26 for outputting a second mixed signal obtained by mixing the second sound signal and the first inverse sound signal. COPYRIGHT: (C)2009,JPO&INPIT |
