这个程序是一个音频信号采集、处理输出的程序。整个系统可以完成将输入的音频数据扩大volume 倍后再输出的功能。,This procedure is an audio signal acquisition, processing output procedures. The whole system can achieve the audio data input times the volume after the expansion of output functions.

PT2313音频IC I2C初始化 用于音响、车载等-IC I2C initialization PT2313 audio for audio, car, etc.

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

Audio selection, Bass, Treble, Volume, Balance with LED display. Three Audio Inputs can be selected. The system also uses an encoder