/** Frequency in Hz for lower limit of noise substitution **/
#define NOISE_LOW_LIMIT 4000
-/** Pointless to substitute very high short lived inaudiable frequencies **/
-#define NOISE_HIGH_LIMIT 18120
-
/* Parameter of f(x) = a*(lambda/100), defines the maximum fourier spread
* beyond which no PNS is used (since the SFBs contain tone rather than noise) */
#define NOISE_SPREAD_THRESHOLD 0.5073f
const int start = sce->ics.swb_offset[w*16+g];
const float freq = start*freq_mult;
const float freq_boost = FFMAX(0.88f*freq/NOISE_LOW_LIMIT, 1.0f);
- if (freq < NOISE_LOW_LIMIT)
+ if (freq < NOISE_LOW_LIMIT || avctx->cutoff && freq >= avctx->cutoff)
continue;
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
band = &s->psy.ch[s->cur_channel].psy_bands[(w+w2)*16+g];
dist_thresh = FFMIN(2.5f*NOISE_LOW_LIMIT/freq, 1.27f);
if (sce->zeroes[w*16+g] || spread < spread_threshold ||
- sfb_energy > threshold*thr_mult*freq_boost || !sfb_energy) {
+ sfb_energy > threshold*thr_mult*freq_boost) {
sce->pns_ener[w*16+g] = sfb_energy;
continue;
}