Update highPassFilter.py

highPassFilter.py

@@ -1,8 +1,8 @@
 # Function to apply a high-pass filter
-from scipy.signal import butter
+from scipy.signal import butter, lfilter
 def high_pass_filter(audio, sr, cutoff=300):
     nyquist = 0.5 * sr
     normal_cutoff = cutoff / nyquist
     b, a = butter(1, normal_cutoff, btype='high', analog=False)
-    filtered_audio = filter(b, a, audio)
+    filtered_audio = lfilter(b, a, audio)  # ✅ Correct function
     return filtered_audio