Update app.py

app.py

@@ -124,11 +124,13 @@ with demo:
   gr.Markdown("Speech analyzer")
   audio = gr.Audio(type="filepath", label = "Upload a file")
   text = gr.Textbox()
-  source_lang = gr.Radio(label="Source lang", choices=list(lang_id.keys()))
+  source_lang = gr.Dropdown(label="Source lang", choices=list(lang_id.keys()))
   gr.Examples(examples = list(lang_id.keys()),
                 inputs=[
                     source_lang])
   b1 = gr.Button("convert to text")
+  b3 = gr.Button("select audio")
+  b3.click(inputs = source_Lang)
   b1.click(audio_a_text, inputs=audio, outputs=text)
 
   b2 = gr.Button("Classification of speech")