| 摘要 |
PCT No. PCT/JP90/01737 Sec. 371 Date Aug. 28, 1991 Sec. 102(e) Date Aug. 28, 1991 PCT Filed Dec. 28, 1990 PCT Pub. No. WO91/10335 PCT Pub. Date Jul. 11, 1991.This invention relates to a audio system installed in a vehicle. An apparatus for reproducing a sound field according to the invention includes a fader controlling circuit for separating a sound signal into predetermined channels to adjust a level of each separated sound signal depending on an amount of manipulation of a fader manipulating part, a sound field controller for performing a computing process of each sound signal obtained by the fader controlling circuit to form a desired sound inside a vehicle, and a relieving part invalidating a separate adjustment for the sound signal caused by the manipulation of the fader manipulating part while the sound field controller is operated. Therefore, when a manipulator selects the sound field controller to relieve the manipulation of a balance volume and fader volumes, even if the balance volume and fader volumes are not set at the center position, the sound field is adjusted automatically at the center position to enable the sound field controller to obtain maximum effect.
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