nec_gain_4m4b1d.tbl
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上传日期:2007-02-02
资源大小:6116k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- This software module was originally developed by
- Toshiyuki Nomura (NEC Corporation)
- and edited by
- in the course of development of the
- MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, 14496-1,2 and 3.
- This software module is an implementation of a part of one or more
- MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 Audio
- standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio standards
- free license to this software module or modifications thereof for use in
- hardware or software products claiming conformance to the MPEG-2 NBC/
- MPEG-4 Audio standards. Those intending to use this software module in
- hardware or software products are advised that this use may infringe
- existing patents. The original developer of this software module and
- his/her company, the subsequent editors and their companies, and ISO/IEC
- have no liability for use of this software module or modifications
- thereof in an implementation. Copyright is not released for non
- MPEG-2 NBC/MPEG-4 Audio conforming products. The original developer
- retains full right to use the code for his/her own purpose, assign or
- donate the code to a third party and to inhibit third party from using
- the code for non MPEG-2 NBC/MPEG-4 Audio conforming products.
- This copyright notice must be included in all copies or derivative works.
- Copyright (c)1998.
- */
- /*
- * MPEG-4 Audio Verification Model (LPC-ABS Core)
- *
- * Enhanced Gain Tables
- *
- * Ver1.0 97.03.17 T.Nomura(NEC)
- * Ver2.0 98.11.08 T.Nomura(NEC)
- */
- static float nec_egc[4][(1<<4)] = {
- {((float) 460)/16384, ((float) 5049)/16384,
- ((float) 3328)/16384, ((float) 8745)/16384,
- ((float) 2155)/16384, ((float) 6211)/16384,
- ((float) 4199)/16384, ((float)15087)/16384,
- ((float) 1199)/16384, ((float) 5562)/16384,
- ((float) 3775)/16384, ((float)11112)/16384,
- ((float) 2832)/16384, ((float) 7228)/16384,
- ((float) 4615)/16384, ((float)23253)/16384 },
- {((float) 3342)/16384, ((float) 3231)/16384,
- ((float) 1482)/16384, ((float) 5359)/16384,
- ((float) 135)/16384, ((float) 4113)/16384,
- ((float) 2452)/16384, ((float) 8599)/16384,
- ((float) 1005)/16384, ((float) 3650)/16384,
- ((float) 2015)/16384, ((float) 6358)/16384,
- ((float) 848)/16384, ((float) 4629)/16384,
- ((float) 2838)/16384, ((float)15013)/16384 },
- {((float) 4827)/16384, ((float) 2242)/16384,
- ((float) 435)/16384, ((float) 4010)/16384,
- ((float) 1187)/16384, ((float) 3016)/16384,
- ((float) 1450)/16384, ((float) 5760)/16384,
- ((float) 2490)/16384, ((float) 2617)/16384,
- ((float) 995)/16384, ((float) 4691)/16384,
- ((float) 241)/16384, ((float) 3477)/16384,
- ((float) 1854)/16384, ((float) 7969)/16384 },
- {((float) 9045)/16384, ((float) 1739)/16384,
- ((float) 883)/16384, ((float) 4160)/16384,
- ((float) 3582)/16384, ((float) 2736)/16384,
- ((float) 680)/16384, ((float) 7686)/16384,
- ((float) 5747)/16384, ((float) 2216)/16384,
- ((float) 0)/16384, ((float) 5391)/16384,
- ((float) 2087)/16384, ((float) 3351)/16384,
- ((float) 1225)/16384, ((float)11417)/16384 }};