TAB_LBC.H
资源名称:G711-729.rar [点击查看]
上传用户:meifeng08
上传日期:2013-06-18
资源大小:5304k
文件大小:2k
源码类别:
语音压缩
开发平台:
C/C++
- /*
- **
- ** File: "tab_lbc.h"
- **
- ** Description: This file contains extern declarations of the tables used
- ** by the SG15 LBC Coder for 6.3/5.3 kbps.
- **
- */
- /*
- ITU-T G.723 Speech Coder ANSI-C Source Code Version 5.00
- copyright (c) 1995, AudioCodes, DSP Group, France Telecom,
- Universite de Sherbrooke. All rights reserved.
- */
- extern Word16 HammingWindowTable[LpcFrame];
- extern Word16 BinomialWindowTable[LpcOrder] ;
- extern Word16 BandExpTable[LpcOrder] ;
- extern Word16 CosineTable[CosineTableSize] ;
- extern Word16 LspDcTable[LpcOrder] ;
- extern Word16 BandInfoTable[LspQntBands][2] ;
- extern Word16 Band0Tb8[LspCbSize*3] ;
- extern Word16 Band1Tb8[LspCbSize*3] ;
- extern Word16 Band2Tb8[LspCbSize*4] ;
- extern Word16 *BandQntTable[LspQntBands] ;
- extern Word16 PerFiltZeroTable[LpcOrder] ;
- extern Word16 PerFiltPoleTable[LpcOrder] ;
- extern Word16 PostFiltZeroTable[LpcOrder] ;
- extern Word16 PostFiltPoleTable[LpcOrder];
- extern Word16 Nb_puls[4];
- extern Word16 FcbkGainTable[NumOfGainLev] ;
- extern Word32 MaxPosTable[4] ;
- extern Word32 CombinatorialTable[MaxPulseNum][SubFrLen/Sgrid] ;
- extern Word16 AcbkGainTable085[85*20] ;
- extern Word16 AcbkGainTable170[170*20] ;
- extern Word16 *AcbkGainTablePtr[2] ;
- extern Word16 LpfConstTable[2] ;
- extern Word16 epsi170[170] ;
- extern Word16 gain170[170] ;
- extern Word16 tabgain170[170];
- extern Word16 tabgain85[85];
- extern Word16 fact[4];
- extern Word32 L_bseg[3];
- extern Word16 base[3];