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annotate libgsmefr/cnst.h @ 43:b9ade9d64e0e

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libgsmefr/Makefile: comment out install while in early development
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 25 Nov 2022 02:11:36 +0000
parents 36e1363ad885
children 9ae58ffb4197
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36e1363ad885 libgsmefr: initial import of ETSI header files
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1 /*--------------------------------------------------------------------------*
36e1363ad885 libgsmefr: initial import of ETSI header files
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2 * Codec constant parameters (coder, decoder, and postfilter) *
36e1363ad885 libgsmefr: initial import of ETSI header files
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3 *---------------------------------------------------------------------------*/
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5 #define L_TOTAL 320 /* Total size of speech buffer. */
36e1363ad885 libgsmefr: initial import of ETSI header files
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6 #define L_WINDOW 240 /* Window size in LP analysis */
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7 #define L_FRAME 160 /* Frame size */
36e1363ad885 libgsmefr: initial import of ETSI header files
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8 #define L_FRAME_BY2 80 /* Frame size divided by 2 */
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9 #define L_SUBFR 40 /* Subframe size */
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10 #define M 10 /* Order of LP filter */
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11 #define MP1 (M+1) /* Order of LP filter + 1 */
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12 #define AZ_SIZE (4*M+4) /* Size of array of LP filters in 4 subfr.s */
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13 #define PIT_MIN 18 /* Minimum pitch lag */
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14 #define PIT_MAX 143 /* Maximum pitch lag */
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15 #define L_INTERPOL (10+1) /* Length of filter for interpolation */
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16
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17 #define PRM_SIZE 57 /* Size of vector of analysis parameters */
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18 #define SERIAL_SIZE (244+1) /* bits per frame + bfi */
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20 #define MU 26214 /* Factor for tilt compensation filter 0.8 */
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21 #define AGC_FAC 29491 /* Factor for automatic gain control 0.9 */