| 摘要 |
PURPOSE:To obtain on-vehicle audio equipment capable of reproducing a low sound to the full even if longitudinal balance is operated, and also to hold a good tone quality balance. CONSTITUTION:Output of a rear low sound signal damping means 50L is inputted into a rear medium high sound signal damping means 50H, and when sound volume at the rear side is lowered by operation of the longitudinal balance of both front and rear parts, it will do that an amount of damping value in this rear medium high sound damping means is merely increased, so the level of a rear low sound signal remains unchanged and thereby a sufficient low sound is reproducible. In addition, the damping value of the rear low sound signal damping means 50L is alterable so as to adjust the level of a low sound in accord with the whole volume variation of these front and rear parts. A determination of each damping value in respective damping means is carried out by the program of a microcomputer 18. |
