本代码包括vc下对于wave文件的读取，以及声纹识别中mfcc的计算，包括完整的声音预处理和特征计算过程。-Vc under this code, including the wave of documents to read, as well as Voice Recognition MFCC calculation, including the voice of integrity and characteristics of pre-processing calculations.

基于ALSA的WAV播放和录音程序完整源码，程序包包含四个部分：WAV Parser、SND Common、Playback和Record。WAV Parser是对WAV文件的分析和封装，这里只针对Standard WAV File；SND Common是Playback 和Record共同操作，如SetParams、ReadPCM和WritePCM等；Playback和Record就分别是播放录音的主体了。原理很 简单，以Playback为例：从WAV文件读取PCM数据，通过I2S或AC97依

基于H.264的视频内容完整性认证的数字水印算法研究 -H.264-based video content integrity verification of digital watermark algorithm