Update highPassFilter.py

highPassFilter.py

@@ -1,35 +1,41 @@
-#!/usr/bin/env python
-# coding: utf-8
-
-# In[2]:
-
-
-import scipy.signal
-
-def high_pass_filter(audio, sr, cutoff=100, order=5):
-    """
-    Applies a high-pass filter to an audio signal.
-
-    Parameters:
-    audio (numpy array): The input audio signal.
-    sr (int): The sample rate of the audio signal.
-    cutoff (float): The cutoff frequency in Hz. Default is 100 Hz.
-    order (int): The order of the filter. Default is 5.
-    
-    Returns:
-    numpy array: The filtered audio signal.
-    """
-    # Design the high-pass filter using a Butterworth filter design
-    sos = scipy.signal.butter(order, cutoff, btype='highpass', fs=sr, output='sos')
-    
-    # Apply the filter using sosfilt (second-order sections filter)
-    filtered_audio = scipy.signal.sosfilt(sos, audio)
-    
-    return filtered_audio
-
-
-# In[ ]:
-
-
-
-
+#!/usr/bin/env python
+# coding: utf-8
+
+# In[2]:
+
+
+import scipy.signal
+
+# def high_pass_filter(audio, sr, cutoff=100, order=5):
+#     """
+#     Applies a high-pass filter to an audio signal.
+
+#     Parameters:
+#     audio (numpy array): The input audio signal.
+#     sr (int): The sample rate of the audio signal.
+#     cutoff (float): The cutoff frequency in Hz. Default is 100 Hz.
+#     order (int): The order of the filter. Default is 5.
+    
+#     Returns:
+#     numpy array: The filtered audio signal.
+#     """
+#     # Design the high-pass filter using a Butterworth filter design
+#     sos = scipy.signal.butter(order, cutoff, btype='highpass', fs=sr, output='sos')
+    
+#     # Apply the filter using sosfilt (second-order sections filter)
+#     filtered_audio = scipy.signal.sosfilt(sos, audio)
+    
+#     return filtered_audio
+
+
+def high_pass_filter(audio, sr, cutoff=300):
+    # Design a Butterworth high-pass filter
+    nyquist = 0.5 * sr
+    normal_cutoff = cutoff / nyquist
+    b, a = butter(1, normal_cutoff, btype='high', analog=False)
+    filtered_audio = lfilter(b, a, audio)
+    return filtered_audio
+
+
+
+