FreeCalypso > hg > gsm-codec-lib
annotate libgsmefr/cnst.h @ 107:41f1ae68d253
amr2efr & efr2amr cosmetic: cleaner approach to bit reshuffling
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 27 Nov 2022 21:02:07 +0000 |
parents | 9ae58ffb4197 |
children | f9c9dd458d55 |
rev | line source |
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libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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1 /*--------------------------------------------------------------------------* |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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2 * Codec constant parameters (coder, decoder, and postfilter) * |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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3 *---------------------------------------------------------------------------*/ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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4 |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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5 #define L_TOTAL 320 /* Total size of speech buffer. */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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6 #define L_WINDOW 240 /* Window size in LP analysis */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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7 #define L_FRAME 160 /* Frame size */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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8 #define L_FRAME_BY2 80 /* Frame size divided by 2 */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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9 #define L_SUBFR 40 /* Subframe size */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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10 #define M 10 /* Order of LP filter */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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11 #define MP1 (M+1) /* Order of LP filter + 1 */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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12 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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13 #define PIT_MIN 18 /* Minimum pitch lag */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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14 #define PIT_MAX 143 /* Maximum pitch lag */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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15 #define L_INTERPOL (10+1) /* Length of filter for interpolation */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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16 |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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17 #define PRM_SIZE 57 /* Size of vector of analysis parameters */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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18 #define SERIAL_SIZE (244+1) /* bits per frame + bfi */ |
36e1363ad885
libgsmefr: initial import of ETSI header files
Mychaela Falconia <falcon@freecalypso.org>
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19 |
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Mychaela Falconia <falcon@freecalypso.org>
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20 #define MU 26214 /* Factor for tilt compensation filter 0.8 */ |
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libgsmefr: initial import of ETSI header files
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21 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */ |
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9ae58ffb4197
libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
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22 |
9ae58ffb4197
libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 #define DTX_HANGOVER 7 /* Period when SP=1 although VAD=0. |
9ae58ffb4197
libgsmefr/cnst.h: add DTX_HANGOVER definition,
Mychaela Falconia <falcon@freecalypso.org>
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24 Used for comfort noise averaging */ |