Lines Matching defs:lsf
99 AMRNBFrame frame; ///< decoded AMR parameters (lsf coefficients, codebook indexes, etc)
108 float lsf_avg[LP_FILTER_ORDER]; ///< vector of averaged lsf vector
236 * Decode a set of 5 split-matrix quantized lsf indexes into an lsp vector.
280 * Decode a set of 5 split-matrix quantized lsf indexes into 2 lsp vectors.
286 const uint16_t *lsf_param = p->frame.lsf;
309 * Decode a set of 3 split-matrix quantized lsf indexes into an lsp vector.
315 const uint16_t *lsf_param = p->frame.lsf;
567 * @param lsf LSFs for the current subframe, in the range [0,1]
573 static float fixed_gain_smooth(AMRContext *p , const float *lsf,
580 diff += fabs(lsf_avg[i] - lsf[i]) / lsf_avg[i];
1046 /* Update averaged lsf vector (used for fixed gain smoothing).