Add microphone recording support

app.py

@@ -78,9 +78,9 @@ with gr.Blocks(title="Noise Canceller") as demo:
     with gr.Row():
         with gr.Column():
             audio_input = gr.Audio(
-                label="Upload Audio",
+                label="Upload or Record Audio",
                 type="filepath",
-                sources=["upload"],
+                sources=["upload", "microphone"],
             )
             model_dropdown = gr.Dropdown(
                 choices=list(MODELS.keys()),