| 摘要 |
PURPOSE: To easily make a duet singing for a man and a woman. CONSTITUTION: During a male and female duet, a microphone 1 is used by the man and a microphone 2 is used by the woman. A frequency characteristics compensating circuit-amplifier 20 is constituted so that it is made to be switched between normal and male frequency characteristics. A frequency characteristics compensating circuit-amplifier 22 is constituted so that it is made to be switched between normal and female frequency characteristics. A frequency characteristics switching means 26 sets the amplifiers 20 and 22 to their normal characteristics when a non-male-female duet is selected by a male-female duet/non-male-female duet selection instructing means 24. When a male-female duet is selected, the amplifier 20 is set for the male-characteristics and the amplifier 22 is set for the female-characteristics. |
