rc2lar.c

来自「speech signal process tools」· C语言 代码 · 共 47 行

/*
					
  This material contains proprietary software of Entropic Processing, Inc.   
  Any reproduction, distribution, or publication without the the prior	   
  written permission of Entropic Processing, Inc. is strictly prohibited.
  Any public distribution of copies of this work authorized in writing by
  Entropic Processing, Inc. must bear the notice			
 								
               "Copyright 1986 Entropic Processing, Inc."
 				
 	

  This program takes as standard input an ascii file of reflection
  coefficients and converts them to log area ratios using rc_to_lar.

  Alan Parker, EPI, Washington, DC.

*/


#ifdef SCCS
char *sccs_id = "@(#)rc2lar.c	1.2 9/3/86 EPI";
#endif


#include <stdio.h>
#include <sps/sps.h>


main(argc,argv)
int argc;
char **argv;
{
   float logratio;
   double rc;
   int rc_to_lar();

   while(scanf("%lf",&rc) != EOF) {
    if(rc_to_lar(rc,&logratio) != 0)
	 fprintf(stderr,
                 "rc2lar: warning: reflection coefficient out of  range.\n");
	else
     printf("%f\n",logratio);
   }

}