电子琴的出现和立体声技术的发展,给音乐增添了不少色彩.不过,目前的电子琴尽管能模拟各种传统乐器的音色,还能发出多种它本身特有的音色,但当只有一架电子琴演奏时,音乐也只能自舞台上某一固定的方向发出.既然电子琴能模拟多种音色,也就可能使它模拟出乐队演奏时的立体声效果. 对于双声道系统模拟的立体声,它是由两个通道的扬声器(组)Y_L和Y_R发音的(见图1),传至听者位置 The appearance of the keyboard and the development of stereo technology add a lot of color to the music, however, although the current electronic keyboard can simulate the sounds of various traditional musical instruments and emit various tones of its own, when only one electronic keyboard is played The music can only be emitted from a fixed direction on the stage and since the keyboard can simulate a wide range of timbres it is possible to simulate the stereo effect of the band as it is played Two channels of speakers (group) Y_L and Y_R pronunciation (see Figure 1), to the listener position