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comparison vad.h @ 0:9008dbc8ca74

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import original C code from GSM 06.06
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Jun 2024 23:27:16 +0000
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-1:000000000000 0:9008dbc8ca74
1 #ifndef __VAD
2 #define __VAD
3
4 #include "typedefs.h"
5
6
7 /*_________________________________________________________________________
8 | |
9 | Function Prototypes |
10 |_________________________________________________________________________|
11 */
12
13 void vad_reset(void);
14
15 void vad_algorithm
16 (
17 Longword pL_acf[9],
18 Shortword swScaleAcf,
19 Shortword pswRc[4],
20 Shortword swPtch,
21 Shortword *pswVadFlag
22 );
23
24 void energy_computation
25 (
26 Longword pL_acf[],
27 Shortword swScaleAcf,
28 Shortword pswRvad[],
29 Shortword swNormRvad,
30 Shortword *pswM_pvad,
31 Shortword *pswE_pvad,
32 Shortword *pswM_acf0,
33 Shortword *pswE_acf0
34 );
35
36
37 void average_acf
38 (
39 Longword pL_acf[],
40 Shortword swScaleAcf,
41 Longword pL_av0[],
42 Longword pL_av1[]
43 );
44
45 void predictor_values
46 (
47 Longword pL_av1[],
48 Shortword pswRav1[],
49 Shortword *pswNormRav1
50 );
51
52 void schur_recursion
53 (
54 Longword pL_av1[],
55 Shortword pswVpar[]
56 );
57
58 void step_up
59 (
60 Shortword swNp,
61 Shortword pswVpar[],
62 Shortword pswAav1[]
63 );
64
65 void compute_rav1
66 (
67 Shortword pswAav1[],
68 Shortword pswRav1[],
69 Shortword *pswNormRav1
70 );
71
72 void spectral_comparison
73 (
74 Shortword pswRav1[],
75 Shortword swNormRav1,
76 Longword pL_av0[],
77 Shortword *pswStat
78 );
79
80 void tone_detection
81 (
82 Shortword pswRc[4],
83 Shortword *pswTone
84 );
85
86
87 void threshold_adaptation
88 (
89 Shortword swStat,
90 Shortword swPtch,
91 Shortword swTone,
92 Shortword pswRav1[],
93 Shortword swNormRav1,
94 Shortword swM_pvad,
95 Shortword swE_pvad,
96 Shortword swM_acf0,
97 Shortword swE_acf0,
98 Shortword pswRvad[],
99 Shortword *pswNormRvad,
100 Shortword *pswM_thvad,
101 Shortword *pswE_thvad
102 );
103
104 void vad_decision
105 (
106 Shortword swM_pvad,
107 Shortword swE_pvad,
108 Shortword swM_thvad,
109 Shortword swE_thvad,
110 Shortword *pswVvad
111 );
112
113 void vad_hangover
114 (
115 Shortword swVvad,
116 Shortword *pswVadFlag
117 );
118
119 void periodicity_update
120 (
121 Shortword pswLags[4],
122 Shortword *pswPtch
123 );
124
125 #endif