Changeset 5fe5591 for src/tempo/beattracking.c

Timestamp:

Mar 8, 2014, 9:37:22 PM (10 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:

c05d61f

Parents:

7380327

Message:

src/tempo/beattracking.c: improve confidence values by using interpolated peak magnitude and avoiding nan

File:

• src/tempo/beattracking.c (modified) (1 diff)

src/tempo/beattracking.c

@@ -422 +422 @@
 {
   if (bt->gp) {
-    return fvec_max (bt->acfout) / fvec_sum(bt->acfout);
-  } else {
-    return 0.;
-  }
-}
+    smpl_t acf_sum = fvec_sum(bt->acfout);
+    if (acf_sum != 0.) {
+      return fvec_quadratic_peak_mag (bt->acfout, bt->gp) / acf_sum;
+    }
+  }
+  return 0.;
+}