the design of the digital channel includes the analysis of AES/EBU format digital signal, and it also includes that how to use the digital audio interface chipset, CS8420, to decode the input digital audio signal and to convert its sample-rate;

• 数字通道的设计包括了对AES/EBU标准数字信号格式的分析,以及如何使用数字音频接口芯片CS8420将输入的数字信号进行解码,以提取出其中的数字音频信号,并进行采样率转换;