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ltp.h File Reference
Long-Term Prediction functions. More...
Go to the source code of this file.
Data Structures | |
| struct | ltp_params |
| LTP parameters. More... | |
Functions | |
| int | pitch_search_3tap (spx_word16_t target[], spx_word16_t *sw, spx_coef_t ak[], spx_coef_t awk1[], spx_coef_t awk2[], spx_sig_t exc[], const void *par, int start, int end, spx_word16_t pitch_coef, int p, int nsf, SpeexBits *bits, char *stack, spx_word16_t *exc2, spx_word16_t *r, int complexity, int cdbk_offset, int plc_tuning, spx_word32_t *cumul_gain) |
| Finds the best quantized 3-tap pitch predictor by analysis by synthesis. | |
| int | forced_pitch_quant (spx_word16_t target[], spx_word16_t *sw, spx_coef_t ak[], spx_coef_t awk1[], spx_coef_t awk2[], spx_sig_t exc[], const void *par, int start, int end, spx_word16_t pitch_coef, int p, int nsf, SpeexBits *bits, char *stack, spx_word16_t *exc2, spx_word16_t *r, int complexity, int cdbk_offset, int plc_tuning, spx_word32_t *cumul_gain) |
| Forced pitch delay and gain. | |
| void | forced_pitch_unquant (spx_word16_t exc[], spx_word32_t exc_out[], int start, int end, spx_word16_t pitch_coef, const void *par, int nsf, int *pitch_val, spx_word16_t *gain_val, SpeexBits *bits, char *stack, int lost, int subframe_offset, spx_word16_t last_pitch_gain, int cdbk_offset) |
| Unquantize forced pitch delay and gain. | |
Detailed Description
Long-Term Prediction functions.
Definition in file ltp.h.
Function Documentation
| int forced_pitch_quant | ( | spx_word16_t | target[], |
| spx_word16_t * | sw, | ||
| spx_coef_t | ak[], | ||
| spx_coef_t | awk1[], | ||
| spx_coef_t | awk2[], | ||
| spx_sig_t | exc[], | ||
| const void * | par, | ||
| int | start, | ||
| int | end, | ||
| spx_word16_t | pitch_coef, | ||
| int | p, | ||
| int | nsf, | ||
| SpeexBits * | bits, | ||
| char * | stack, | ||
| spx_word16_t * | exc2, | ||
| spx_word16_t * | r, | ||
| int | complexity, | ||
| int | cdbk_offset, | ||
| int | plc_tuning, | ||
| spx_word32_t * | cumul_gain | ||
| ) |
Forced pitch delay and gain.
| void forced_pitch_unquant | ( | spx_word16_t | exc[], |
| spx_word32_t | exc_out[], | ||
| int | start, | ||
| int | end, | ||
| spx_word16_t | pitch_coef, | ||
| const void * | par, | ||
| int | nsf, | ||
| int * | pitch_val, | ||
| spx_word16_t * | gain_val, | ||
| SpeexBits * | bits, | ||
| char * | stack, | ||
| int | lost, | ||
| int | subframe_offset, | ||
| spx_word16_t | last_pitch_gain, | ||
| int | cdbk_offset | ||
| ) |
Unquantize forced pitch delay and gain.
| int pitch_search_3tap | ( | spx_word16_t | target[], |
| spx_word16_t * | sw, | ||
| spx_coef_t | ak[], | ||
| spx_coef_t | awk1[], | ||
| spx_coef_t | awk2[], | ||
| spx_sig_t | exc[], | ||
| const void * | par, | ||
| int | start, | ||
| int | end, | ||
| spx_word16_t | pitch_coef, | ||
| int | p, | ||
| int | nsf, | ||
| SpeexBits * | bits, | ||
| char * | stack, | ||
| spx_word16_t * | exc2, | ||
| spx_word16_t * | r, | ||
| int | complexity, | ||
| int | cdbk_offset, | ||
| int | plc_tuning, | ||
| spx_word32_t * | cumul_gain | ||
| ) |
Finds the best quantized 3-tap pitch predictor by analysis by synthesis.
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