wfactab.dat

完整的EVRC压缩解压缩算法源码,通过C-C++编译后可以运行!

/*======================================================================*/
/*     Enhanced Variable Rate Codec - Bit-Exact C Specification         */
/*     Copyright (C) 1997-1998 Telecommunications Industry Association. */
/*     All rights reserved.                                             */
/*----------------------------------------------------------------------*/
/* Note:  Reproduction and use of this software for the design and      */
/*     development of North American Wideband CDMA Digital              */
/*     Cellular Telephony Standards is authorized by the TIA.           */
/*     The TIA does not authorize the use of this software for any      */
/*     other purpose.                                                   */
/*                                                                      */
/*     The availability of this software does not provide any license   */
/*     by implication, estoppel, or otherwise under any patent rights   */
/*     of TIA member companies or others covering any use of the        */
/*     contents herein.                                                 */
/*                                                                      */
/*     Any copies of this software or derivative works must include     */
/*     this and all other proprietary notices.                          */
/*======================================================================*/
short wfac_GAMMA1[10] = 	/* 0.900000 */
{
	29491,
	26542,
	23888,
	21499,
	19349,
	17414,
	15673,
	14106,
	12695,
	11425
};

short wfac_GAMMA2[10] = 	/* 0.500000 */
{
	16384,
	8192,
	4096,
	2048,
	1024,
	512,
	256,
	128,
	64,
	32
};

short wfac_Gamma_4[10] = 	/* 0.994000 */
{
	32571,
	32376,
	32182,
	31989,
	31797,
	31606,
	31416,
	31228,
	31040,
	30854
};

short wfac_ALPHA[10] = 	/* 0.570000 */
{
	18678,
	10646,
	6068,
	3459,
	1972,
	1124,
	641,
	365,
	208,
	119
};

short wfac_BETA[10] = 	/* 0.750000 */
{
	24576,
	18432,
	13824,
	10368,
	7776,
	5832,
	4374,
	3281,
	2460,
	1845
};