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Diffstat (limited to 'newamp2.h')
-rw-r--r-- | newamp2.h | 89 |
1 files changed, 89 insertions, 0 deletions
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1 | /*---------------------------------------------------------------------------*\ | ||
2 | |||
3 | FILE........: newamp2.h | ||
4 | AUTHOR......: Thomas Kurin and Stefan Erhardt | ||
5 | INSTITUTE...: Institute for Electronics Engineering, University of Erlangen-Nuremberg | ||
6 | DATE CREATED: July 2018 | ||
7 | BASED ON....: "newamp1.h" by David Rowe | ||
8 | |||
9 | Quantisation functions for the sinusoidal coder, using "newamp1" | ||
10 | algorithm that resamples variable rate L [Am} to a fixed rate K then | ||
11 | VQs. | ||
12 | |||
13 | \*---------------------------------------------------------------------------*/ | ||
14 | |||
15 | /* | ||
16 | Copyright Thomas Kurin and Stefan Erhardt 2018 | ||
17 | |||
18 | All rights reserved. | ||
19 | |||
20 | This program is free software; you can redistribute it and/or modify | ||
21 | it under the terms of the GNU Lesser General Public License version 2.1, as | ||
22 | published by the Free Software Foundation. This program is | ||
23 | distributed in the hope that it will be useful, but WITHOUT ANY | ||
24 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
25 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | ||
26 | License for more details. | ||
27 | |||
28 | You should have received a copy of the GNU Lesser General Public License | ||
29 | along with this program; if not, see <http://www.gnu.org/licenses/>. | ||
30 | */ | ||
31 | |||
32 | #ifndef __NEWAMP2__ | ||
33 | #define __NEWAMP2__ | ||
34 | |||
35 | #define NEWAMP2_N_INDEXES 4 /* Number of indexes to pack: vq1, vq2, energy, Wo */ | ||
36 | #define NEWAMP2_PHASE_NFFT 128 /* size of FFT used for phase synthesis */ | ||
37 | #define NEWAMP2_K 29 /* rate K vector length */ | ||
38 | #define NEWAMP2_16K_K 40 /* rate K vector length for 16k Mode */ | ||
39 | |||
40 | #include "codec2_fft.h" | ||
41 | #include "comp.h" | ||
42 | |||
43 | void n2_mel_sample_freqs_kHz(float rate_K_sample_freqs_kHz[], int K); | ||
44 | void n2_resample_const_rate_f(C2CONST *c2const, MODEL *model, float rate_K_vec[], float rate_K_sample_freqs_kHz[], int K); | ||
45 | void n2_rate_K_mbest_encode(int *indexes, float *x, float *xq, int ndim); | ||
46 | void n2_resample_rate_L(C2CONST *c2const, MODEL *model, float rate_K_vec[], float rate_K_sample_freqs_kHz[], int K,int plosive_flag); | ||
47 | void n2_post_filter_newamp2(float vec[], float sample_freq_kHz[], int K, float pf_gain); | ||
48 | void newamp2_interpolate(float interpolated_surface_[], float left_vec[], float right_vec[], int K,int plosive_flag); | ||
49 | void newamp2_model_to_indexes(C2CONST *c2const, | ||
50 | int indexes[], | ||
51 | MODEL *model, | ||
52 | float rate_K_vec[], | ||
53 | float rate_K_sample_freqs_kHz[], | ||
54 | int K, | ||
55 | float *mean, | ||
56 | float rate_K_vec_no_mean[], | ||
57 | float rate_K_vec_no_mean_[], | ||
58 | int plosiv | ||
59 | ); | ||
60 | void newamp2_indexes_to_rate_K_vec(float rate_K_vec_[], | ||
61 | float rate_K_vec_no_mean_[], | ||
62 | float rate_K_sample_freqs_kHz[], | ||
63 | int K, | ||
64 | float *mean_, | ||
65 | int indexes[], | ||
66 | float pf_gain); | ||
67 | void newamp2_16k_indexes_to_rate_K_vec(float rate_K_vec_[], | ||
68 | float rate_K_vec_no_mean_[], | ||
69 | float rate_K_sample_freqs_kHz[], | ||
70 | int K, | ||
71 | float *mean_, | ||
72 | int indexes[], | ||
73 | float pf_gain); | ||
74 | void newamp2_indexes_to_model(C2CONST *c2const, | ||
75 | MODEL model_[], | ||
76 | COMP H[], | ||
77 | float interpolated_surface_[], | ||
78 | float prev_rate_K_vec_[], | ||
79 | float *Wo_left, | ||
80 | int *voicing_left, | ||
81 | float rate_K_sample_freqs_kHz[], | ||
82 | int K, | ||
83 | codec2_fft_cfg fwd_cfg, | ||
84 | codec2_fft_cfg inv_cfg, | ||
85 | int indexes[], | ||
86 | float pf_gain, | ||
87 | int flag16k); | ||
88 | |||
89 | #endif | ||