www.pudn.com > VoiceActivityDetection.rar > nclass.h

#ifndef _NCLASS_H_ 
#define _NCLASS_H_ 
 
#include "typedef.h" 
 
#define TWINLEN (24-8) 
#define LPHLEN 4 
#define LPHAVELEN 8 
 
#define TWINLENSHORT (4) 
#define COMPLEN 12 
 
// For debugging 
#define COMPLEN2 12 
#define CS 0 
 
#define ACELP_MODE 0 
#define TCX_MODE 1 
#define TCX_OR_ACELP 2 
 
typedef struct 
{ 
 
    float levelHist[TWINLEN][COMPLEN]; 
    float averageHistTime[COMPLEN]; 
    float stdDevHistTime[COMPLEN]; 
    float averageHistTimeShort[COMPLEN]; 
    float stdDevHistTimeShort[COMPLEN]; 
    float lphBuf[LPHLEN]; 
    float lphAveBuf[LPHAVELEN]; 
    short prevModes[4]; 
    Word16 vadFlag[4]; 
    Word16 vadFlag_old[4]; 
    Word16 LTPLag[10]; 
    float NormCorr[10]; 
    float LTPGain[10]; 
    float TotalEnergy[5]; 
    short NoMtcx[2]; 
    short NbOfAcelps; 
    float ApBuf[4 * M]; 
    float lph[4]; 
	short StatClassCount; 
 
    Word16 LTPlagV[8]; 
 
} NCLASSDATA; 
 
short classifyExcitation(NCLASSDATA * stClass, float level[], short sfIndex); 
void classifyExcitationRef(NCLASSDATA * stClass, float *ISPs, short *coding_mod); 
 
void initClassifyExcitation(NCLASSDATA * stClass); 
 
#endif /*_NCLASS_H_*/