50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*---------------------------------------------------------------------------*\
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FILE........: sine.h
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AUTHOR......: David Rowe
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DATE CREATED: 1/11/94
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Header file for sinusoidal analysis and synthesis 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 __SINE__
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#define __SINE__
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#include "defines.h"
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#include "comp.h"
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#include "codec2_fft.h"
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C2CONST c2const_create(int Fs, float framelength_ms);
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void make_analysis_window(C2CONST *c2const, codec2_fft_cfg fft_fwd_cfg, float w[], COMP W[]);
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float hpf(float x, float states[]);
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void dft_speech(C2CONST *c2const, codec2_fft_cfg fft_fwd_cfg, COMP Sw[], float Sn[], float w[]);
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void two_stage_pitch_refinement(C2CONST *c2const, MODEL *model, COMP Sw[]);
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void estimate_amplitudes(MODEL *model, COMP Sw[], COMP W[], int est_phase);
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float est_voicing_mbe(C2CONST *c2const, MODEL *model, COMP Sw[], COMP W[]);
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void make_synthesis_window(C2CONST *c2const, float Pn[]);
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void synthesise(int n_samp, codec2_fftr_cfg fftr_inv_cfg, float Sn_[], MODEL *model, float Pn[], int shift);
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#define CODEC2_RAND_MAX 32767
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int codec2_rand(void);
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#endif
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