clean components value when switch

app.py

@@ -34,9 +34,9 @@ examples = [['test.wav', "This is real time voice cloning on huggingface spaces"
 
 def toggle(choice):
     if choice == "mic":
-        return gr.update(visible=True), gr.update(visible=False)
+        return gr.update(visible=True, value=None), gr.update(visible=False, value=None)
     else:
-        return gr.update(visible=False), gr.update(visible=True)
+        return gr.update(visible=False, value=None), gr.update(visible=True, value=None)
 
 
 with gr.Blocks() as demo: