包含两篇关于FXO、FXS的文档，详细介绍了他们的区别和定义，是开发VOIP设备的很好的参考材料。这种材料可是很难找哦。...

阅读语音编码与语音辩识语音合成-Read the voice encoding and voice recognition speech synthesis

一个很不错的WIFI程序,可运行,保质量-a very good WIFI procedures, operational, and ensuring quality

串口是串行接口（serial port）的简称，也称为串行通信接口或COM接口。 串口通信是指采用串行通信协议（serial communication）在一条信号线上将数据一个比特一个比特地逐位进行传输的通信模式。

卷积码的Viterbi解码器，用C编写的。很好用-Convolutional code Viterbi decoder, with C prepared. Good use

多线程串口调试工具，全部源码，可记录，文本或二进制显示-Serial multi-threaded debugging tools, all source code, can be recorded, text or binary display

SD卡1.0规范文档，英文版文档，简单实用。-SD Card 1.0 specification document, English version of the document

Adaptive Huffman Coding and Decoding for Data Compression in MATLAB

用C语言和汇编语言编程实现了两台计算机的并口通信。-use C language and remit compile achieve collocate communicate of two computer.

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this code is about demodulation of 4qam