Changeset 1a74ac3 for src/mathutils.c

Timestamp:

Feb 4, 2011, 10:26:10 AM (13 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

34422b4, 42515ac

Parents:

b583b9fb

Message:

src/mathutils.c: fix aubio_db_spl, thanks to Eric, closes #15

File:

• src/mathutils.c (modified) (2 diffs)

src/mathutils.c

@@ -215 +215 @@
     energy += SQR (f->data[j]);
   }
-  return energy;
+  return energy / f->length;
 }
 
@@ -450 +450 @@
 aubio_db_spl (fvec_t * o)
 {
-  smpl_t val = SQRT (fvec_local_energy (o));
-  val /= (smpl_t) o->length;
-  return LIN2DB (val);
+  return 10. * LOG10 (fvec_local_energy (o));
 }