| 摘要 |
PURPOSE:To attain sound field control of a fader control circuit and a sound field control circuit independently by connecting the fader control circuit and the sound field control circuit in parallel and using either of them alternatively. CONSTITUTION:A fader control circuit 1 and a sound field controller 2 are connected in parallel and an acoustic signal of an acoustic signal source is inputted directly to the sound field controller 2 while the sound field controller 2 is in operation and the acoustic signal source is inputted directly to the fader control circuit 1 while the sound field controller 2 is not in operation. That is, the sound field controller 2 is directly and selectively connected to an acoustic source by a switch means 3. Thus, even when a balance variable resistor and a fader variable resistor of the fader control circuit 1 are adjusted in any way, the sound field is reproduced by the sound field controller 2 independently of the adjustment. |
