(A律和 律压缩解压算法实现，其中的C语言文本，DSP，CCS)本试验要求完成的内容是使用AD将外部语音信号采集，DSP对语音信号保存处理，经过DA将处理后的语音信号输出；DSP对语音信号的处理包括A律和 律压缩解压、声音信号的音效处理等。-(A law and legal compression decompression algorithms, including the C language text, DSP, CCS) content required to complete this study is the use of AD to an external audio signal acquisition, DSP save the speech signal processing, through the DA' s voice will be treated signal output　DSP of the voice signal processing, including law and law A compression decompression, audio processing sound signals.