程控音频功率放大器的设计论文，本论文阐述了音频功放的种类和设计，从中选择了AB类放大器作为功放部分，数控部分用8051单片机实现，可调控音量以及高中低音，四路音源选择和短路保护。-Audio power amplifier design program-controlled papers, this paper set out the type of audio amplifier design, and selected type AB power amplifier as part of NC part of 8051 with the realization of high school to control the volume and bass, four-way source selection and short-circuit protection.