OPER_32B.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:1k
源码类别:
语音压缩
开发平台:
C/C++
- /*
- ITU-T G.729A Speech Coder ANSI-C Source Code
- Version 1.1 Last modified: September 1996
- Copyright (c) 1996,
- AT&T, France Telecom, NTT, Universite de Sherbrooke
- All rights reserved.
- */
- /* Double precision operations */
- void L_Extract(Word32 L_32, Word16 *hi, Word16 *lo);
- Word32 L_Comp(Word16 hi, Word16 lo);
- Word32 Mpy_32(Word16 hi1, Word16 lo1, Word16 hi2, Word16 lo2);
- Word32 Mpy_32_16(Word16 hi, Word16 lo, Word16 n);
- Word32 Div_32(Word32 L_num, Word16 denom_hi, Word16 denom_lo);