Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

25 lines
1.1 KiB

  1. //
  2. // ITU-T G.723 Floating Point Speech Coder ANSI C Source Code. Version 1.00
  3. // copyright (c) 1995, AudioCodes, DSP Group, France Telecom,
  4. // Universite de Sherbrooke, Intel Corporation. All rights reserved.
  5. //
  6. // prototypes for lpc
  7. float Durbin(float *Lpc, float *Corr, float Err, CODDEF *CodStat);
  8. void Wght_Lpc(float *PerLpc, float *UnqLpc );
  9. void Error_Wght(float *Dpnt, float *PerLpc, CODDEF *CodStat );
  10. void Comp_Ir(float *ImpResp, float *QntLpc, float *PerLpc, PWDEF Pw );
  11. void Sub_Ring(float *Dpnt, float *QntLpc, float *PerLpc, float
  12. *PrevErr, PWDEF Pw, CODDEF *CodStat );
  13. void Upd_Ring( float *Dpnt, float *QntLpc, float *PerLpc, float
  14. *PrevErr, CODDEF *CodStat );
  15. void Synt(float *Dpnt, float *Lpc, DECDEF *DecStat);
  16. //Spf
  17. void CorrCoeff01(short *samples, short *samples_offst, int *coeff, int buffsz);
  18. void CorrCoeff23(short *samples, short *samples_offst, int *coeff, int buffsz);
  19. void Comp_LpcInt( float *UnqLpc, float *PrevDat, float *DataBuff, CODDEF *CodStat );
  20. void Comp_Lpc( float *UnqLpc, float *PrevDat, float *DataBuff, CODDEF *CodStat );