| 摘要 |
PROBLEM TO BE SOLVED: To provide an optimum musical sound level by respectively independently performing acoustic correction to a high frequency band and a low frequency band corresponding to noise level. SOLUTION: An acoustic correction system is provided with a storage part 441 storing high band correction level information corresponding to a car speed and a musical sound level and low band correction level information corresponding to a low band noise / musical sound level ratio, a high band correction level information acquisition part 431a for acquiring the high band correction level information on the basis of the car speed and the musical sound level, and a low band correction level information acquisition part 431b for acquiring the low band correction level information on the basis of the low band noise / musical sound level ratio, and it is characterised in that, on the basis of the high band correction level information and low band correction level information, acoustics are corrected by a sound quality adjusting part 402. COPYRIGHT: (C)2004,JPO&NCIPI |
