PURPOSE: To simplify the operation by allowing a switch control section to identify a control signal based on an output signal of an automatic voice switch and setting a changeover signal switch, the voice switch and a selector switch to a prescribed position.

CONSTITUTION: A switch control section 19 identifies a control signal reproducing result of reproduced disk control information based on an output signal of an automatic voice switch 18 to set a switching signal switch 11, a voice switch 13 and selector switches 18, 17 to a prescribed position. Thus, the prescribed operation in response to the state of the automatic voice switch 18 is attained and only a playing signal from which the audio signal is eliminated simulatingly is used as a BGM with a simple operation and added to a microphone audio signal and the result is outputted.