| 摘要 |
PROBLEM TO BE SOLVED: To solve the following problem: it is very inconvenient if a switching mechanism of a loudspeaker and a headphone of a music selection and reservation device is the same as a general audio device, since a state in which big sound is generated from a Karaoke performance device, and a state in which Karaoke performance is stopped to become calm, are frequently changed over, and many Karaoke lovers do not get used to use an audio device in a Karaoke bar where Karaoke is actually used, in a Karaoke selection and reservation device which includes a display unit, an operation unit, a microphone, a loudspeaker and a headphone, and which allows a user to perform musical piece retrieval of a voice input system, and allows the user to listen a part of the retrieved musical piece as trial.SOLUTION: When a voice input sound volume from the microphone is a reference value or more, an automatic switching unit causes sound not to be output from the loudspeaker but to be output from the headphone. |
