Sound controller
A sound control device and electronic switch technology, which is applied to instruments, electro-acoustic musical instruments, etc., can solve the problems that the sound cannot be adjusted and is not easy to realize
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[0018] Fig. 1 is the circuit block diagram of the hardware mode embodiment of the present invention, and the present invention comprises the analog / synthesizing / reproducing circuit of sequence connection, output circuit, sound amplification circuit and loudspeaker c, also comprises an output selection switch a, and it controls output circuit, According to the needs of users, it can be switched freely between the volume adjustable output circuit and the original volume output circuit.
[0019] Fig. 2 is the circuit schematic diagram of the embodiment of the hardware mode of the present invention, including analog / synthesis / replay circuit, sound amplification circuit, output selection switch a and loudspeaker c, and by adjustable resistor VR1, two voltage divider resistors R1, R2 , and the output circuit composed of electronic switch b. Among them, two voltage divider resistors R1, R2 are connected in parallel with adjustable resistor VR1 after being connected in series; electro...
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