1,基于8051，和DVD通讯 2，控制收音机 3，控制点阵屏 4，增加声音屏谱跳动显示 5，控制PT2313外部音效处理-1, based on 8051, and DVD communications 2, control, Radio 3, the control dot-matrix screen 4, to increase the sound spectrum of beat-screen display 5 to control the external audio