对国际标准的ISO GM 数控机床加工代码进行解码和编码，并优化数控程序代码，压缩通讯信息量，提高通讯速度，给下位机（如DSP，FPEA）提供能够处理的数据-of international standards ISO GM CNC machine code decoding and encoding, and NC code optimization, compression communication of information, improving communication speed

ITU G.722 编解码程序,附带测试代码.-ITU G.722 codec, along with test code.

ITU G.728 编解码程序,附带测试代码.-ITU G.728 codec, along with test code.

G.7XX系列声音压缩标准在窄带环境下实现语音的传送，此代码实现了该标准的压缩与解压过程。-G.7XX series of voice compression standard narrowband environment in voice transmission, this source implementation of the standard and the compression and decompression process.