g7231_util_cng.h

G723.1语音压缩解压在tms320c54系列上的实现代码,本人已在CCS上仿真通过. 包含全部源代码,主函数请自已写(本人的就不奉送了:

#ifndef _H_G7231UTILCNG
#define _H_G7231UTILCNG


void G7231Calc_Exc_Rand_En(Word16 cur_gain, Word16 *PrevExc, Word16 *DataExc,
                                      Word16 *nRandom, G7231LINEDEF *Line);
void G7231Calc_Exc_Rand_De(Word16 cur_gain, Word16 *PrevExc, Word16 *DataExc,
                                      Word16 *nRandom, G7231LINEDEF *Line);                                      
Word16 G7231Qua_SidGain(Word16 *Ener, Word16 *shEner, Word16 nq);
Word16 G7231Dec_SidGain(Word16 i_gain);

#endif //_H_G7231UTILCNG