/******************* FILE : wav_def.h ********************/ 
     
/**
@file wav_def.h
@brief offers the wav header for wav files
*/
     
     
/****** NOTICE: LIMITATIONS ON USE AND DISTRIBUTION ********\
     
This software is provided on an as-is basis, it may be 
distributed in an unlimited fashion without charge provided
that it is used for scholarly purposes - it is not for 
commercial use or profit. This notice must remain unaltered. 
    
Software by Dr Fred DePiero - CalPoly State University
    
\******************** END OF NOTICE ************************/ 
    
    
    
   
// header of wav file 
typedef struct{
    char rID[4];            // 'RIFF' 
    long int rLen;
         
    char wID[4];            // 'WAVE' 
         
    char fId[4];            // 'fmt ' 
    long int pcm_header_len;   // varies... 
    short int wFormatTag;
    short int nChannels;      // 1,2 for stereo data is (l,r) pairs 
    long int nSamplesPerSec;
    long int nAvgBytesPerSec;
    short int nBlockAlign;      
    short int nBitsPerSample;
}   WAV_HDR;
   
      
// header of wav file 
typedef struct{
    char dId[4];            // 'data' or 'fact' 
    long int dLen;
    //   unsigned char *data; 
}   CHUNK_HDR;