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app.py

@@ -73,10 +73,10 @@ def enhance_and_plot(audio):
     if orig_sr != sr:
         out = librosa.resample(out, sr, orig_sr)
 
-    D = librosa.stft(out, n_fft=1024, hop_length=512)
+    D = librosa.stft(out, n_fft=512, hop_length=256)
     S_db = librosa.amplitude_to_db(np.abs(D), ref=np.max)
     fig, ax = plt.subplots()
-    img = librosa.display.specshow(S_db, sr=orig_sr, hop_length=512, x_axis='time', y_axis='hz', ax=ax)
+    img = librosa.display.specshow(S_db, sr=orig_sr, hop_length=256, x_axis='time', y_axis='hz', ax=ax)
     plt.colorbar(img, ax=ax, format="%+2.0f dB")
     ax.set_title("Enhanced Output Spectrum")