Asterisk - The Open Source Telephony Project  21.4.1
lsf.h
1 
2  /******************************************************************
3 
4  iLBC Speech Coder ANSI-C Source Code
5 
6  lsf.h
7 
8  Copyright (C) The Internet Society (2004).
9  All Rights Reserved.
10 
11  ******************************************************************/
12 
13  #ifndef __iLBC_LSF_H
14  #define __iLBC_LSF_H
15 
16  void a2lsf(
17  float *freq,/* (o) lsf coefficients */
18  float *a /* (i) lpc coefficients */
19  );
20 
21  void lsf2a(
22  float *a_coef, /* (o) lpc coefficients */
23  float *freq /* (i) lsf coefficients */
24  );
25 
26  #endif