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C/C++ Source or Header  |  1995-11-07  |  392 b   |  17 lines
  1. /*
  2.  * LPC subroutine declarations
  3.  */
  4.  
  5. #define LPC_FILTORDER    10
  6.  
  7. typedef struct {
  8.     unsigned short period;
  9.     unsigned char gain;
  10.     char filler_size_is_1;
  11.     char k[LPC_FILTORDER];
  12. } lpcparams_t;
  13.  
  14. extern int  lpc_init(int framelen);
  15. extern void lpc_analyze(unsigned char *buf, lpcparams_t *params);
  16. extern int  lpc_synthesize(lpcparams_t *params, double speed, unsigned char *buf);
  17.