1 2 3 void WindowFilterSubband( short *pBuffer, int ch, double s[SBLIMIT] ); 4 void create_dct_matrix (double filter[16][32]); 5 6 #define REFERENCECODE 7 #ifdef REFERENCECODE 8 void window_subband (double **buffer, double z[64], int k); 9 void filter_subband (double z[HAN_SIZE], double s[SBLIMIT]); 10 #endif 11