分析wav文件格式，对音频采样数据加wav文件头，调用MediaPlayer时让播放器认识并正常播放-analysis wav file format, the audio data sampling increase wav file. Call MediaPlayer allowing players understand and normal broadcast

相当好的adpcm解压缩源码，C++,调用时注意数据保存的类型及大小-Very good to the adpcm decompress the source, and attention to the type and size of the data saved C++, call

已知语音文件求出其LPC系数后，调用a_lsf_conversion.m函数求其对应的LSF-Known find their voice files LPC coefficients, call a_lsf_conversion.m corresponding LSF function evaluation

将AMR的12.2k的语音编码的c代码转换为mex文件使其可以被matlab调用，在matlab2014中命令窗输入mex+空格+三个c文件名字（注意encode.c放在最前面）生成可执行文件，就可以调用encode函数。-The AMR 12.2k speech coding in C code conversion for mex file so that it can be called by the MATLAB. In the matlab2014 command window inp