Update app.py

app.py

@@ -27,7 +27,7 @@ def midi_ddsp_synth(instrument, midi_file):
     sample_rate = 16000
     midi_audio, midi_control_params, midi_synth_params, conditioning_df = synthesize_mono_midi(synthesis_generator, expression_generator, midi_file, instrument_id, output_dir=None, pitch_offset=0, speed_rate=1)
     x = midi_audio[0].numpy()
-    return sample_rate, x
+    return gr.Audio(sample_rate, x)
 
 # def inference(audio):
 #   os.system("midi_ddsp_synthesize --midi_path "+audio.name)