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39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
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/*---------------------------------------------------------------------------*\
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FILE........: nlp.c
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AUTHOR......: David Rowe
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DATE CREATED: 23/3/93
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Non Linear Pitch (NLP) estimation functions.
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\*---------------------------------------------------------------------------*/
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/*
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Copyright (C) 2009 David Rowe
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 2.1, as
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published by the Free Software Foundation. This program is
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distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __NLP__
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#define __NLP__
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#include "comp.h"
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void *nlp_create(int m);
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void nlp_destroy(void *nlp_state);
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float nlp(void *nlp_state, float Sn[], int n, int pmin, int pmax,
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float *pitch, COMP Sw[], COMP W[], float *prev_Wo);
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#endif
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