enc_acelp.h
上传用户：dangjiwu
上传日期：2013-07-19
资源大小：42019k
文件大小：1k
- /*
- *===================================================================
- * 3GPP AMR Wideband Floating-point Speech Codec
- *===================================================================
- */
- #ifndef ENC_E_ACELP_H
- #define ENC_E_ACELP_H
- #include "typedef.h"
- void E_ACELP_Gain2_Q_init(Word16 *mem);
- void E_ACELP_xy2_corr(Float32 xn[], Float32 y1[], Float32 y2[],
- Float32 g_corr[]);
- Float32 E_ACELP_xy1_corr(Float32 xn[], Float32 y1[], Float32 g_corr[]);
- void E_ACELP_xh_corr(Float32 *x, Float32 *y, Float32 *h);
- void E_ACELP_codebook_target_update(Float32 *x, Float32 *x2, Float32 *y,
- Float32 gain);
- void E_ACELP_2t(Float32 dn[], Float32 cn[], Float32 H[], Word16 code[],
- Float32 y[], Word32 *index);
- void E_ACELP_4t(Float32 dn[], Float32 cn[], Float32 H[], Word16 code[],
- Float32 y[], Word32 nbbits, Word16 mode, Word32 _index[]);
- Word32 E_ACELP_gains_quantise(Word16 code[], Word32 nbits, Float32 f_gain_pit,
- Word16 *gain_pit, Word32 *gain_code,
- Float32 *coeff, Word32 gp_clip,
- Word16 *past_qua_en);
- #endif
English
