数字编码标准测试软件，所有相关功能比较。

用单片机来直接驱动步进电机很精确走小步子.-Using single-chip to directly drive stepper motor is very accurate take small steps.

文件压缩功能：压缩指定单个文件，或多个文件（zip格式）；察看压缩文件内每个文件的大小，压缩比信息；解压缩指定文件（zip格式），允许选择压缩包内单个文件进行解压缩；察看整个压缩包的压缩比等信息。-compression function : Compression designated single document, or multiple documents (zip format); A look inside compressed files, each file size, compression ratio; Decompress the specified file (zip format), allowing choice within a single compressed file decompression; Look at the whole compression packet compression ratio and other information.

EasyARM1138 的蜂鸣器程序 能发出两种不同频率的声音-EasyARM1138 the buzzer program can issue two kinds of different frequencies of sound

经典的乡农编码，算法比较简单，了解乡农编码的请顶。-classic Township coding algorithm is relatively simple to understand Township coding please roof.

递归下降识别程序-recursive declined identification procedures

使用MFC写的ZIP压缩和界面源代码。高效而且简洁。-Use MFC to write the ZIP compression and interface source code. Efficient and concise.

class with yuv2rgb and rgb2yuv conversion and also simple dpcm algorithm just line after line

RAR的解压缩算法，非常经典，可以用于嵌入式系统中，rar文件解压缩-RAR compression algorithm of the solution, very classic, can be used in embedded systems, rar files

实现LZARI压缩算法的C++类源码,VC++语言开发，可直接移植使用。-Realize LZARI compression algorithm C++ Type of source, VC++ Language development, can be directly transplanted to use.

经典的MP4编解码核心库，可以跨平台编译使用。-classic MP4 codec core, you can build cross-platform use.