Make spectral rolloff return bound values

aubio · Nov 16, 2020 · 1f61fcc · 1f61fcc
1 parent 05ed7f5
commit 1f61fcc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/spectral/statistics.c b/src/spectral/statistics.c
@@ -195,9 +195,10 @@ aubio_specdesc_rolloff (aubio_specdesc_t *o UNUSED, const cvec_t * spec,
  } else {
  cumsum *= 0.95;
  j = 0;
+ rollsum += SQR (spec->norm[j]);
  while (rollsum < cumsum) { 
- rollsum += SQR (spec->norm[j]);
  j++;
+ rollsum += SQR (spec->norm[j]);
  }
  desc->data[0] = j;
  }