本琴在演奏时,可左手伴奏,右手弹奏,也可加入自动鼓声节拍或脚踏鼓声。在用白键(C调)演奏时,可实现常用合弦音色。如:小三合弦、大三合弦和八度合弦。用其它乐调演奏,也可实现八度合弦。一、工作原理从图1可知,本琴主要由五部分构成:音调发生器、颤音器、鼓声节拍、音色滤波和放大器。音调发生器由四个多谐振荡器组成。每个振荡器所产生的音阶是按照合弦要求进行排列的。当按下 When playing the piano, you can play with your left hand or right hand, or add automatic drum beat or pedal drum sounds. When playing with the white keys (C-tones), the common polyphonic sound can be achieved. Such as: small triad, junior co-ordination and octave co-ordination. Played in other tones, octaves can also be achieved. First, the working principle As can be seen from Figure 1, the piano is mainly composed of five parts: tone generator, vibrato, drum beats, timbre filter and amplifier. Tone generator consists of four multivibrators. The scales produced by each oscillator are arranged in chordal order. When pressed