A scheme of designing audio auto gain controlsystem based on TDA7315 is introduced, the diagram of chip matching as well as the software flowing chart are also given.
The entire system is composed of computer, PC bus interface card, decode instrument, video switches matrix, audio switches matrix, pan, lens and alarm control etc.
整个系统由微机、PC总线适配卡、解码器、视频切换矩阵、音频切换矩阵、云台镜头和报警控制等部分组成。
3
The controlsystem of professional audio power amplifier is developed , centered around MCU controller PIC16C54.