FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/bgnscd.c @ 449:2af2b5c12268
Library-versions: libtwamr is officially version 1.0.0
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 May 2024 01:43:05 +0000 |
parents | 8dfb7cbe6b59 |
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1 /************************************************************************* |
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2 * |
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3 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
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4 * R99 Version 3.3.0 |
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5 * REL-4 Version 4.1.0 |
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6 * |
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7 ******************************************************************************** |
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8 * |
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9 * File : bgnscd.c |
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10 * Purpose : Background noise source charateristic detector (SCD) |
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11 * |
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12 ******************************************************************************** |
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13 */ |
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14 |
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15 /* |
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16 ******************************************************************************** |
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17 * MODULE INCLUDE FILE AND VERSION ID |
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18 ******************************************************************************** |
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19 */ |
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20 #include "namespace.h" |
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21 #include "bgnscd.h" |
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22 |
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23 #include "typedef.h" |
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24 #include "basic_op.h" |
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25 #include "no_count.h" |
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26 #include "cnst.h" |
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27 #include "memops.h" |
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28 #include "gmed_n.h" |
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29 #include "sqrt_l.h" |
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30 |
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31 /* |
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32 ******************************************************************************** |
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33 * LOCAL VARIABLES AND TABLES |
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34 ******************************************************************************** |
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35 */ |
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36 /*-----------------------------------------------------------------* |
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37 * Decoder constant parameters (defined in "cnst.h") * |
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38 *-----------------------------------------------------------------* |
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39 * L_FRAME : Frame size. * |
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40 * L_SUBFR : Sub-frame size. * |
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41 *-----------------------------------------------------------------*/ |
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42 |
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43 /* |
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44 ******************************************************************************** |
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45 * PUBLIC PROGRAM CODE |
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46 ******************************************************************************** |
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47 */ |
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48 /* |
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49 ************************************************************************** |
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50 * |
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51 * Function : Bgn_scd_reset |
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52 * Purpose : Resets state memory |
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53 * |
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54 ************************************************************************** |
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55 */ |
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56 void Bgn_scd_reset (Bgn_scdState *state) |
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57 { |
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58 /* Static vectors to zero */ |
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59 Set_zero (state->frameEnergyHist, L_ENERGYHIST); |
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60 |
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61 /* Initialize hangover handling */ |
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62 state->bgHangover = 0; |
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63 } |
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64 |
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65 /* |
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66 ************************************************************************** |
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67 * |
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68 * Function : Bgn_scd |
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69 * Purpose : Charaterice synthesis speech and detect background noise |
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70 * Returns : background noise decision; 0 = no bgn, 1 = bgn |
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71 * |
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72 ************************************************************************** |
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73 */ |
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74 Word16 Bgn_scd (Bgn_scdState *st, /* i : State variables for bgn SCD */ |
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75 Word16 ltpGainHist[], /* i : LTP gain history */ |
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76 Word16 speech[], /* o : synthesis speech frame */ |
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77 Word16 *voicedHangover /* o : # of frames after last |
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78 voiced frame */ |
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79 ) |
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80 { |
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81 Word16 i; |
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82 Word16 prevVoiced, inbgNoise; |
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83 Word16 temp; |
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84 Word16 ltpLimit, frameEnergyMin; |
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85 Word16 currEnergy, noiseFloor, maxEnergy, maxEnergyLastPart; |
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86 Word32 s; |
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87 |
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88 /* Update the inBackgroundNoise flag (valid for use in next frame if BFI) */ |
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89 /* it now works as a energy detector floating on top */ |
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90 /* not as good as a VAD. */ |
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91 |
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92 currEnergy = 0; move16 (); |
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93 s = (Word32) 0; move32 (); |
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94 |
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95 for (i = 0; i < L_FRAME; i++) |
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96 { |
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97 s = L_mac (s, speech[i], speech[i]); |
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98 } |
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99 |
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100 s = L_shl(s, 2); |
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101 |
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102 currEnergy = extract_h (s); |
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103 |
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104 frameEnergyMin = 32767; move16 (); |
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105 |
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106 for (i = 0; i < L_ENERGYHIST; i++) |
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107 { |
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108 test (); |
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109 if (sub(st->frameEnergyHist[i], frameEnergyMin) < 0) |
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110 frameEnergyMin = st->frameEnergyHist[i]; move16 (); |
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111 } |
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112 |
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113 noiseFloor = shl (frameEnergyMin, 4); /* Frame Energy Margin of 16 */ |
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114 |
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parents:
diff
changeset
|
115 maxEnergy = st->frameEnergyHist[0]; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 for (i = 1; i < L_ENERGYHIST-4; i++) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 if ( sub (maxEnergy, st->frameEnergyHist[i]) < 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 maxEnergy = st->frameEnergyHist[i]; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 maxEnergyLastPart = st->frameEnergyHist[2*L_ENERGYHIST/3]; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 for (i = 2*L_ENERGYHIST/3+1; i < L_ENERGYHIST; i++) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 if ( sub (maxEnergyLastPart, st->frameEnergyHist[i] ) < 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 maxEnergyLastPart = st->frameEnergyHist[i]; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 inbgNoise = 0; /* false */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 /* Do not consider silence as noise */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 /* Do not consider continuous high volume as noise */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 /* Or if the current noise level is very low */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 /* Mark as noise if under current noise limit */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 /* OR if the maximum energy is below the upper limit */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 test (); test (); test (); test (); test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 if ( (sub(maxEnergy, LOWERNOISELIMIT) > 0) && |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 (sub(currEnergy, FRAMEENERGYLIMIT) < 0) && |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 (sub(currEnergy, LOWERNOISELIMIT) > 0) && |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 ( (sub(currEnergy, noiseFloor) < 0) || |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 (sub(maxEnergyLastPart, UPPERNOISELIMIT) < 0))) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 if (sub(add(st->bgHangover, 1), 30) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 st->bgHangover = 30; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 } else |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 st->bgHangover = add(st->bgHangover, 1); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 else |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 st->bgHangover = 0; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 /* make final decision about frame state , act somewhat cautiosly */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 if (sub(st->bgHangover,1) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 inbgNoise = 1; /* true */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 for (i = 0; i < L_ENERGYHIST-1; i++) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 st->frameEnergyHist[i] = st->frameEnergyHist[i+1]; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 st->frameEnergyHist[L_ENERGYHIST-1] = currEnergy; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 /* prepare for voicing decision; tighten the threshold after some |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 time in noise */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 ltpLimit = 13926; /* 0.85 Q14 */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 if (sub(st->bgHangover, 8) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 ltpLimit = 15565; /* 0.95 Q14 */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 if (sub(st->bgHangover, 15) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 ltpLimit = 16383; /* 1.00 Q14 */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 /* weak sort of voicing indication. */ |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 prevVoiced = 0; /* false */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 if (sub(gmed_n(<pGainHist[4], 5), ltpLimit) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 prevVoiced = 1; /* true */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 if (sub(st->bgHangover, 20) > 0) { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 if (sub(gmed_n(ltpGainHist, 9), ltpLimit) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 prevVoiced = 1; /* true */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 else |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 prevVoiced = 0; /* false */ move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 if (prevVoiced) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
212 *voicedHangover = 0; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 else |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 temp = add(*voicedHangover, 1); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 test (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
218 if (sub(temp, 10) > 0) |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
219 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
220 *voicedHangover = 10; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
221 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
222 else |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
223 { |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
224 *voicedHangover = temp; move16 (); |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
225 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
226 } |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
227 |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
228 return inbgNoise; |
8dfb7cbe6b59
libtwamr: integrated up to bgnscd.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
229 } |