FreeCalypso > hg > gsm-codec-lib
annotate libtwamr/lag_wind.h @ 450:16bc3036cc84
LICENSE: acknowledge libtwamr origin from ETSI/3GPP
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 10 May 2024 01:48:20 +0000 |
parents | a8dab7028e4d |
children |
rev | line source |
---|---|
384
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * R99 Version 3.3.0 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * REL-4 Version 4.1.0 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 * |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 * File : lag_wind.h |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * Purpose : Lag windowing of autocorrelations. |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 #ifndef lag_wind_h |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 #define lag_wind_h "$Id $" |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 /* |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 * INCLUDE FILES |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #include "typedef.h" |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 /* |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 * DEFINITION OF DATA TYPES |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 /* |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 * DECLARATION OF PROTOTYPES |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 ******************************************************************************** |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 void Lag_window ( |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 Word16 m, /* (i) : LPC order */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 Word16 r_h[], /* (i/o) : Autocorrelations (msb) */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 Word16 r_l[] /* (i/o) : Autocorrelations (lsb) */ |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 ); |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 |
a8dab7028e4d
libtwamr: integrate lag_wind.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 #endif |