Searched refs:auto_corr_vector (Results 1 – 3 of 3) sorted by relevance
| /aosp_15_r20/external/libxaac/encoder/ |
| H A D | iusace_lpd_enc.c | 248 FLOAT32 *auto_corr_vector = ptr_stack_mem; in iusace_core_lpd_encode() local
250 memset(auto_corr_vector, 0, sizeof(*auto_corr_vector) * (ORDER + 1)); in iusace_core_lpd_encode()
344 iusace_autocorr_plus(&speech[-(window_len / 2)], auto_corr_vector, window_len, in iusace_core_lpd_encode()
348 auto_corr_vector[j] *= (FLOAT32)iusace_lag_window[j]; in iusace_core_lpd_encode()
351 iusace_levinson_durbin_algo(auto_corr_vector, auto_corr_lp_filter_coeff); in iusace_core_lpd_encode()
361 iusace_autocorr_plus(&speech[((i + 1) * len_subfrm) - (window_len / 2)], auto_corr_vector, in iusace_core_lpd_encode()
365 auto_corr_vector[j] *= (FLOAT32)iusace_lag_window[j]; in iusace_core_lpd_encode()
368 iusace_levinson_durbin_algo(auto_corr_vector, auto_corr_lp_filter_coeff); in iusace_core_lpd_encode()
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| H A D | iusace_lpd_utils.c | 247 VOID iusace_autocorr_plus(FLOAT32 *speech, FLOAT32 *auto_corr_vector, WORD32 window_len, in iusace_autocorr_plus() argument
259 auto_corr_vector[i] = val; in iusace_autocorr_plus()
261 if (auto_corr_vector[0] < 1.0) { in iusace_autocorr_plus()
262 auto_corr_vector[0] = 1.0; in iusace_autocorr_plus()
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| H A D | iusace_lpd.h | 22 VOID iusace_autocorr_plus(FLOAT32 *speech, FLOAT32 *auto_corr_vector, WORD32 window_len,
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