small fixes

app.py

@@ -168,8 +168,8 @@ with demo:
             upload_button = gr.Button("Submit for separation")
             uploaded_html_info = gr.HTML(label="Info")
 
-            uploaded_vocals = gr.Audio()
-            uploaded_accompaniment = gr.Audio()
+            uploaded_vocals = gr.Audio(label="vocals")
+            uploaded_accompaniment = gr.Audio(label="accompaniment")
 
             gr.Examples(
                 examples=["./yesterday-once-more-Carpenters.wav"],
@@ -189,8 +189,8 @@ with demo:
             record_button = gr.Button("Submit for separation")
             recorded_html_info = gr.HTML(label="Info")
 
-            recorded_vocals = gr.Audio()
-            recorded_accompaniment = gr.Audio()
+            recorded_vocals = gr.Audio(label="vocals")
+            recorded_accompaniment = gr.Audio(label="accompaniment")
 
             gr.Examples(
                 examples=["./yesterday-once-more-Carpenters.wav"],
@@ -210,8 +210,8 @@ with demo:
             url_button = gr.Button("Submit for separation")
             url_html_info = gr.HTML(label="Info")
 
-            url_vocals = gr.Audio()
-            url_accompaniment = gr.Audio()
+            url_vocals = gr.Audio(label="vocals")
+            url_accompaniment = gr.Audio(label="accompaniment")
 
         upload_button.click(
             process_uploaded_file,