?? dtx.h
字號:
#ifndef __DTX
#define __DTX
#include "typedefs.h"
#define PN_INIT_SEED (Longword)0x1091988L /* initial seed for Comfort
* noise pn-generator */
#define CNINTPER 12 /* inperpolation period of CN
* parameters */
#define SPEECH 1
#define CNIFIRSTSID 2
#define CNICONT 3
#define CNIBFI 4
#define VALIDSID 11
#define INVALIDSID 22
#define GOODSPEECH 33
#define UNUSABLE 44
/*________________________________________________________________________
| |
| Function Prototypes |
|________________________________________________________________________|
*/
void avgCNHist(Longword pL_R0History[],
Longword ppL_CorrHistory[OVERHANG][NP + 1],
Longword *pL_AvgdR0,
Longword pL_AvgdCorrSeq[]);
void avgGsHistQntz(Longword pL_GsHistory[], Longword *pL_GsAvgd);
Shortword swComfortNoise(Shortword swVadFlag,
Longword L_UnqntzdR0, Longword *pL_UnqntzdCorr);
Shortword getPnBits(int iBits, Longword *L_PnSeed);
Shortword gsQuant(Longword L_GsIn, Shortword swVoicingMode);
void updateCNHist(Longword L_UnqntzdR0,
Longword *pL_UnqntzdCorr,
Longword pL_R0Hist[],
Longword ppL_CorrHist[OVERHANG][NP + 1]);
void lpcCorrQntz(Longword pL_CorrelSeq[],
Shortword pswFinalRc[],
int piVQCodewds[]);
Longword linInterpSid(Longword L_New, Longword L_Old, Shortword swDtxState);
Shortword linInterpSidShort(Shortword swNew,
Shortword swOld,
Shortword swDtxState);
void rxInterpR0Lpc(Shortword *pswOldKs, Shortword *pswNewKs,
Shortword swRxDTXState,
Shortword swDecoMode, Shortword swFrameType);
#endif
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