mean frequency was actually the the mean magnitude, now fixed

.gitignore

@@ -0,0 +1,2 @@
+convert2freq.py
+combined.csv

utils.py

@@ -515,10 +515,10 @@ def segment_analysis(segment, sr, s1s2:list):
     # RMS Energy
     rms_energy = np.sqrt(np.mean(segment**2))
     
-    # Frequencies
-    # We'll use the mean of the magnitudes of the Fourier transform
-    fft_magnitudes = np.abs(np.fft.rfft(segment))
-    mean_frequency = np.mean(fft_magnitudes)
+    # Calculate actual mean frequency
+    fft = np.fft.rfft(segment)
+    freqs = np.fft.rfftfreq(len(segment), d=1/sr)
+    mean_frequency = np.mean(freqs)
     
     s1_to_s2_duration = []
     s2_to_s1_duration = []