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/*---------------------------------------------------------------------------*\
FILE........: lsp.c
AUTHOR......: David Rowe
DATE CREATED: 24/2/93
This file contains functions for LPC to LSP conversion and LSP to
LPC conversion. Note that the LSP coefficients are not in radians
format but in the x domain of the unit circle.
\*---------------------------------------------------------------------------*/
/*
Copyright (C) 2009 David Rowe
All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 2.1, as
published by the Free Software Foundation. This program is
distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LSP__
#define __LSP__
int lpc_to_lsp (float *a, int lpcrdr, float *freq, int nb, float delta);
void lsp_to_lpc(float *freq, float *ak, int lpcrdr);
#endif
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