From f02dfce6e6c34b3d8a7b8a0e784b506178e331fa Mon Sep 17 00:00:00 2001 From: "erdgeist@erdgeist.org" Date: Thu, 4 Jul 2019 23:26:09 +0200 Subject: stripdown of version 0.9 --- sine.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 sine.h (limited to 'sine.h') diff --git a/sine.h b/sine.h new file mode 100644 index 0000000..5c7455c --- /dev/null +++ b/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[], COMP 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[], COMP W[], int est_phase); +float est_voicing_mbe(C2CONST *c2const, MODEL *model, COMP Sw[], COMP 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