diff options
Diffstat (limited to 'gr-vocoder/lib/codec2/sine.h')
| -rw-r--r-- | gr-vocoder/lib/codec2/sine.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gr-vocoder/lib/codec2/sine.h b/gr-vocoder/lib/codec2/sine.h new file mode 100644 index 000000000..ae578bf70 --- /dev/null +++ b/gr-vocoder/lib/codec2/sine.h @@ -0,0 +1,44 @@ +/*---------------------------------------------------------------------------*\ + + 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 <http://www.gnu.org/licenses/>. +*/ + +#ifndef __SINE__ +#define __SINE__ + +#include "defines.h" +#include "comp.h" + +void make_analysis_window(float w[], COMP W[]); +float hpf(float x, float states[]); +void dft_speech(COMP Sw[], float Sn[], float w[]); +void two_stage_pitch_refinement(MODEL *model, COMP Sw[]); +void estimate_amplitudes(MODEL *model, COMP Sw[], COMP W[]); +float est_voicing_mbe(MODEL *model, COMP Sw[], COMP W[], COMP Sw_[],COMP Ew[], + float prev_Wo); +void make_synthesis_window(float Pn[]); +void synthesise(float Sn_[], MODEL *model, float Pn[], int shift); + +#endif |