典型的LSB水印嵌入和提取算法，它是一个基本的matlab程序，可以帮助初学者入门 -typical LSB embedding and extraction algorithm, which is a basic Matlab procedures, Portal can help beginners

语音压缩编码原理介绍和实现方法，对语音编码的初学者入门快。-Introduce the principle of voice compression coding methods and the implementation of speech coding beginner quick entry.

参考_基于SOLA的Pitch Scaling算法 范钰华(上海交通大学)_,使用MATLAB实现SOLA算法,可以在变调不变速的基础下改变声调,程序比较易懂.适合初学者参考的,另外,VOICE_GUI是界面,介绍一些简单的语音处理,请大家多多指教speech_processing(sola)-Reference _ SOLA' s Pitch Scaling Algorithm Based on Fan Yu Hua (Shanghai Jiaotong University) _, u