1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/ilbc/lsf.h b/third_party/ilbc/lsf.h
new file mode 100644
index 00000000..caff77ec
--- /dev/null
+++ b/third_party/ilbc/lsf.h
@@ -0,0 +1,27 @@
+
+   /******************************************************************
+
+       iLBC Speech Coder ANSI-C Source Code
+
+       lsf.h
+
+       Copyright (C) The Internet Society (2004).
+       All Rights Reserved.
+
+   ******************************************************************/
+
+   #ifndef __iLBC_LSF_H
+   #define __iLBC_LSF_H
+
+   void a2lsf(
+       float *freq,/* (o) lsf coefficients */
+       float *a    /* (i) lpc coefficients */
+   );
+
+   void lsf2a(
+       float *a_coef,  /* (o) lpc coefficients */
+       float *freq     /* (i) lsf coefficients */
+   );
+
+   #endif
+