90 lines
4.2 KiB
C
90 lines
4.2 KiB
C
|
/*---------------------------------------------------------------------------*\
|
||
|
|
|
||
|
|
FILE........: newamp2.h
|
||
|
|
AUTHOR......: Thomas Kurin and Stefan Erhardt
|
||
|
|
INSTITUTE...: Institute for Electronics Engineering, University of Erlangen-Nuremberg
|
||
|
|
DATE CREATED: July 2018
|
||
|
|
BASED ON....: "newamp1.h" by David Rowe
|
||
|
|
|
||
|
|
Quantisation functions for the sinusoidal coder, using "newamp1"
|
||
|
|
algorithm that resamples variable rate L [Am} to a fixed rate K then
|
||
|
|
VQs.
|
||
|
|
|
||
|
|
\*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright Thomas Kurin and Stefan Erhardt 2018
|
||
|
|
|
||
|
|
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 __NEWAMP2__
|
||
|
|
#define __NEWAMP2__
|
||
|
|
|
||
|
|
#define NEWAMP2_N_INDEXES 4 /* Number of indexes to pack: vq1, vq2, energy, Wo */
|
||
|
|
#define NEWAMP2_PHASE_NFFT 128 /* size of FFT used for phase synthesis */
|
||
|
|
#define NEWAMP2_K 29 /* rate K vector length */
|
||
|
|
#define NEWAMP2_16K_K 40 /* rate K vector length for 16k Mode */
|
||
|
|
|
||
|
|
#include "codec2_fft.h"
|
||
|
|
#include "comp.h"
|
||
|
|
|
||
|
|
void n2_mel_sample_freqs_kHz(float rate_K_sample_freqs_kHz[], int K);
|
||
|
|
void n2_resample_const_rate_f(C2CONST *c2const, MODEL *model, float rate_K_vec[], float rate_K_sample_freqs_kHz[], int K);
|
||
|
|
void n2_rate_K_mbest_encode(int *indexes, float *x, float *xq, int ndim);
|
||
|
|
void n2_resample_rate_L(C2CONST *c2const, MODEL *model, float rate_K_vec[], float rate_K_sample_freqs_kHz[], int K,int plosive_flag);
|
||
|
|
void n2_post_filter_newamp2(float vec[], float sample_freq_kHz[], int K, float pf_gain);
|
||
|
|
void newamp2_interpolate(float interpolated_surface_[], float left_vec[], float right_vec[], int K,int plosive_flag);
|
||
|
|
void newamp2_model_to_indexes(C2CONST *c2const,
|
||
|
|
int indexes[],
|
||
|
|
MODEL *model,
|
||
|
|
float rate_K_vec[],
|
||
|
|
float rate_K_sample_freqs_kHz[],
|
||
|
|
int K,
|
||
|
|
float *mean,
|
||
|
|
float rate_K_vec_no_mean[],
|
||
|
|
float rate_K_vec_no_mean_[],
|
||
|
|
int plosiv
|
||
|
|
);
|
||
|
|
void newamp2_indexes_to_rate_K_vec(float rate_K_vec_[],
|
||
|
|
float rate_K_vec_no_mean_[],
|
||
|
|
float rate_K_sample_freqs_kHz[],
|
||
|
|
int K,
|
||
|
|
float *mean_,
|
||
|
|
int indexes[],
|
||
|
|
float pf_gain);
|
||
|
|
void newamp2_16k_indexes_to_rate_K_vec(float rate_K_vec_[],
|
||
|
|
float rate_K_vec_no_mean_[],
|
||
|
|
float rate_K_sample_freqs_kHz[],
|
||
|
|
int K,
|
||
|
|
float *mean_,
|
||
|
|
int indexes[],
|
||
|
|
float pf_gain);
|
||
|
|
void newamp2_indexes_to_model(C2CONST *c2const,
|
||
|
|
MODEL model_[],
|
||
|
|
COMP H[],
|
||
|
|
float interpolated_surface_[],
|
||
|
|
float prev_rate_K_vec_[],
|
||
|
|
float *Wo_left,
|
||
|
|
int *voicing_left,
|
||
|
|
float rate_K_sample_freqs_kHz[],
|
||
|
|
int K,
|
||
|
|
codec2_fft_cfg fwd_cfg,
|
||
|
|
codec2_fft_cfg inv_cfg,
|
||
|
|
int indexes[],
|
||
|
|
float pf_gain,
|
||
|
|
int flag16k);
|
||
|
|
|
||
|
|
#endif
|