From ac7c48b4dee99d4c772f133d70d8d1b38262fcd2 Mon Sep 17 00:00:00 2001 From: Author Name Date: Fri, 7 Jul 2023 12:20:59 +0930 Subject: shallow zip-file copy from codec2 e9d726bf20 --- src/sine.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/sine.h (limited to 'src/sine.h') diff --git a/src/sine.h b/src/sine.h new file mode 100644 index 0000000..21d21fb --- /dev/null +++ b/src/sine.h @@ -0,0 +1,49 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: sine.h + AUTHOR......: David Rowe + DATE CREATED: 1/11/94 + + Header file for sinusoidal analysis and synthesis functions. + +\*---------------------------------------------------------------------------*/ + +/* + 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 . +*/ + +#ifndef __SINE__ +#define __SINE__ + +#include "defines.h" +#include "comp.h" +#include "codec2_fft.h" + +C2CONST c2const_create(int Fs, float framelength_ms); + +void make_analysis_window(C2CONST *c2const, codec2_fft_cfg fft_fwd_cfg, float w[], float W[]); +float hpf(float x, float states[]); +void dft_speech(C2CONST *c2const, codec2_fft_cfg fft_fwd_cfg, COMP Sw[], float Sn[], float w[]); +void two_stage_pitch_refinement(C2CONST *c2const, MODEL *model, COMP Sw[]); +void estimate_amplitudes(MODEL *model, COMP Sw[], float W[], int est_phase); +float est_voicing_mbe(C2CONST *c2const, MODEL *model, COMP Sw[], float W[]); +void make_synthesis_window(C2CONST *c2const, float Pn[]); +void synthesise(int n_samp, codec2_fftr_cfg fftr_inv_cfg, float Sn_[], MODEL *model, float Pn[], int shift); + +#define CODEC2_RAND_MAX 32767 +int codec2_rand(void); + +#endif -- cgit v1.2.3