Update app.py

app.py

@@ -111,7 +111,7 @@ def tao_waveform_denoise(file_path):
     # 1. Waveform
     librosa.display.waveshow(y, sr=sr, ax=ax[0,0], color='red')
     ax[0,0].set_title("Waveform - Trước lọc")
-    librosa.display.waveshow(y_denoised, sr=sr, ax=ax[0,1], color='blue')
+    librosa.display.waveshow(y_denoised, sr=sr, ax=ax[0,1], color='green')
     ax[0,1].set_title("Waveform - Sau lọc")
 
     # 2. FFT
@@ -123,7 +123,7 @@ def tao_waveform_denoise(file_path):
     ax[1,0].set_xlim(0, 8000)
     ax[1,0].set_title("FFT - Trước lọc")
 
-    ax[1,1].plot(freqs, fft_y_denoised, color='blue')
+    ax[1,1].plot(freqs, fft_y_denoised, color='green')
     ax[1,1].set_xlim(0, 8000)
     ax[1,1].set_title("FFT - Sau lọc")