GNU Radio 3.6.5 C++ API

sine.h

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00001 /*---------------------------------------------------------------------------*\
00002 
00003   FILE........: sine.h
00004   AUTHOR......: David Rowe
00005   DATE CREATED: 1/11/94
00006 
00007   Header file for sinusoidal analysis and synthesis functions.
00008 
00009 \*---------------------------------------------------------------------------*/
00010 
00011 /*
00012   Copyright (C) 2009 David Rowe
00013 
00014   All rights reserved.
00015 
00016   This program is free software; you can redistribute it and/or modify
00017   it under the terms of the GNU Lesser General Public License version 2.1, as
00018   published by the Free Software Foundation.  This program is
00019   distributed in the hope that it will be useful, but WITHOUT ANY
00020   WARRANTY; without even the implied warranty of MERCHANTABILITY or
00021   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
00022   License for more details.
00023 
00024   You should have received a copy of the GNU Lesser General Public License
00025   along with this program; if not, see <http://www.gnu.org/licenses/>.
00026 */
00027 
00028 #ifndef __SINE__
00029 #define __SINE__
00030 
00031 #include "defines.h"
00032 #include "comp.h"
00033 
00034 void make_analysis_window(float w[], COMP W[]);
00035 float hpf(float x, float states[]);
00036 void dft_speech(COMP Sw[], float Sn[], float w[]);
00037 void two_stage_pitch_refinement(MODEL *model, COMP Sw[]);
00038 void estimate_amplitudes(MODEL *model, COMP Sw[], COMP W[]);
00039 float est_voicing_mbe(MODEL *model, COMP Sw[], COMP W[], COMP Sw_[],COMP Ew[],
00040                       float prev_Wo);
00041 void make_synthesis_window(float Pn[]);
00042 void synthesise(float Sn_[], MODEL *model, float Pn[], int shift);
00043 
00044 #endif