From: Thomas Fillon <thomas@parisson.com>
Date: Wed, 19 Mar 2014 13:05:53 +0000 (+0100)
Subject: Analyzer/odf : fix NaN issue
X-Git-Tag: 0.5.5~3^2^2~11
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=7e096b9e8710d38bc424e02e66ee5375701803c3;p=timeside.git

Analyzer/odf : fix NaN issue
---

diff --git a/timeside/analyzer/odf.py b/timeside/analyzer/odf.py
index 3f157fc..c302445 100644
--- a/timeside/analyzer/odf.py
+++ b/timeside/analyzer/odf.py
@@ -104,7 +104,9 @@ class OnsetDetectionFunction(Analyzer):
 
         # Summation along the frequency axis
         odf_diff = S_diff.sum(axis=1)
-        odf_diff = odf_diff / np.median(odf_diff)  # Normalize
+        odf_median = np.median(odf_diff)
+        if odf_median:
+            odf_diff = odf_diff / odf_median  # Normalize
 
         odf = self.new_result(data_mode='value', time_mode='framewise')
         #odf.parameters = {'FFT_SIZE': self.FFT_SIZE}