diff --git a/TinnitusAnalyse/SoundGenerator.py b/TinnitusAnalyse/SoundGenerator.py
index 79341a3..c3ec508 100644
--- a/TinnitusAnalyse/SoundGenerator.py
+++ b/TinnitusAnalyse/SoundGenerator.py
@@ -230,7 +230,7 @@ class Sound:
             # ax[1].grid()
             # plt.show()
 
-
+        b, a = signal.iirnotch(rf, Q, fs=self.music_samplerate)
         if rl != 0.0:
             musicRechts = signal.lfilter(b, a, self.music_data[:, 1])    # rechts
         else: