2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
12 * lpc_shape_swb12_tables.h
14 * This file declares tables used for entropy coding of LPC shape of
15 * upper-band signal if the bandwidth is 12 kHz.
19 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_
20 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_
23 #include "webrtc/typedefs.h"
25 extern const double WebRtcIsac_kMeanLarUb12[UB_LPC_ORDER];
27 extern const double WebRtcIsac_kMeanLpcGain;
29 extern const double WebRtcIsac_kIntraVecDecorrMatUb12[UB_LPC_ORDER][UB_LPC_ORDER];
31 extern const double WebRtcIsac_kInterVecDecorrMatUb12
32 [UB_LPC_VEC_PER_FRAME][UB_LPC_VEC_PER_FRAME];
34 extern const double WebRtcIsac_kLpcShapeQStepSizeUb12;
36 extern const double WebRtcIsac_kLpcShapeLeftRecPointUb12
37 [UB_LPC_ORDER*UB_LPC_VEC_PER_FRAME];
40 extern const int16_t WebRtcIsac_kLpcShapeNumRecPointUb12
41 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME];
43 extern const uint16_t WebRtcIsac_kLpcShapeEntropySearchUb12
44 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME];
46 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec0Ub12[14];
48 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec1Ub12[16];
50 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec2Ub12[20];
52 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec3Ub12[28];
54 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec4Ub12[20];
56 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec5Ub12[25];
58 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec6Ub12[33];
60 extern const uint16_t WebRtcIsac_kLpcShapeCdfVec7Ub12[49];
62 extern const uint16_t* WebRtcIsac_kLpcShapeCdfMatUb12
63 [UB_LPC_ORDER * UB_LPC_VEC_PER_FRAME];
65 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_LPC_SHAPE_SWB12_TABLES_H_