说明：  一个已经量产的音频混响板的源程序（keil51）和原理图和PCB板图（protell 99se），单片机是用AT89C2051,本产品可以输入两路麦克风信号，可以调节混响强度和混响延时，所有资料都是最终版本，版权和知识产权归我个人所有，只供大家学习用，需要量产必须得到我黄家武书面许可，做毕业设计最好选择。
(A volume production, the source audio mixing board (keil51) and the schematic and PCB board diagram (protell 99se), SCM is AT89C2051, this product can enter the two-way microphone signals, can adjust the intensity and reverberation reverberation delay , all information is the final version, copyright and intellectual property owned by my personal all, only for them to learn to use, production requirements must be written permission from Wu Huang I do graduate design the best option.)