src/tempo/beattracking.c: normalise confidence

diff --git a/src/tempo/beattracking.c b/src/tempo/beattracking.c
index ac42216..2793d4a 100644 (file)
--- a/src/tempo/beattracking.c
+++ b/src/tempo/beattracking.c
@@ -428,7 +428,7 @@ smpl_t
 aubio_beattracking_get_confidence (aubio_beattracking_t * bt)
 {
   if (bt->gp) {
-    return fvec_max (bt->acfout);
+    return fvec_max (bt->acfout) / fvec_sum(bt->acfout);
   } else {
     return 0.;
   }