Lines Matching refs:spread
55 /* Parameter of f(x) = a*(lambda/100), defines the maximum fourier spread
587 float sfb_energy = 0.0f, threshold = 0.0f, spread = 2.0f;
600 spread = FFMIN(spread, band->spread);
614 * 1. high spread energy (noise-like band)
621 ((sce->zeroes[w*16+g] || !sce->band_alt[w*16+g]) && sfb_energy < threshold*sqrtf(1.0f/freq_boost)) || spread < spread_threshold ||
630 pns_tgt_energy = sfb_energy*FFMIN(1.0f, spread*spread);
662 /* Estimate rd on average as 5 bits for SF, 4 for the CB, plus spread energy * lambda/thr */
663 dist2 += band->energy/(band->spread*band->spread)*lambda*dist_thresh/band->threshold;
718 float sfb_energy = 0.0f, threshold = 0.0f, spread = 2.0f;
730 spread = FFMIN(spread, band->spread);
741 * 1. high spread energy (noise-like band)
746 if (sfb_energy < threshold*sqrtf(1.5f/freq_boost) || spread < spread_threshold || min_energy < pns_transient_energy_r * max_energy) {