// Normalize.
avg_est = avg_est / num_samples;
// Update noise estimate.
- ne->value = (int)((15 * ne->value + avg_est) >> 4);
+ ne->value = (int)((3 * ne->value + avg_est) >> 2);
ne->count++;
if (ne->count == ne->num_frames_estimate) {
// Reset counter and check noise level condition.