Update app.py

app.py

@@ -134,11 +134,11 @@ with gr.Blocks() as demo:
     
     with gr.Row():
         lang1_select = gr.Dropdown(label="Select Language 1", choices=[f"{language_names.get(lang, lang)}" for lang in languages], value="English (United States)")
-        voice1_select = gr.Dropdown(label="Select Voice 1", value="Microsoft Server Speech Text to Speech Voice (en-US, AvaNeural)")
+        voice1_select = gr.Dropdown(label="Select Voice 1")
     
     with gr.Row():
         lang2_select = gr.Dropdown(label="Select Language 2", choices=[f"{language_names.get(lang, lang)}" for lang in languages], value="None")
-        voice2_select = gr.Dropdown(label="Select Voice 2", value="Microsoft Server Speech Text to Speech Voice (en-US, AndrewNeural)")
+        voice2_select = gr.Dropdown(label="Select Voice 2")
     
     generate_btn = gr.Button("Generate Script")
     script_output = gr.Textbox(label="Generated Script", lines=10)
@@ -151,6 +151,17 @@ with gr.Blocks() as demo:
             return gr.Dropdown(choices=[], value=None)
         selected_lang = next((key for key, value in language_names.items() if value == lang), None)
         voices = voice_dict.get(selected_lang, [])
+        
+        # Check if the default voice is in the list of available voices
+        default_voice1 = "Microsoft Server Speech Text to Speech Voice (en-US, AvaNeural)"
+        default_voice2 = "Microsoft Server Speech Text to Speech Voice (en-US, AndrewNeural)"
+        
+        if lang == "English (United States)":
+            if default_voice1 in voices:
+                return gr.Dropdown(choices=voices, value=default_voice1)
+            elif default_voice2 in voices:
+                return gr.Dropdown(choices=voices, value=default_voice2)
+        
         return gr.Dropdown(choices=voices, value=voices[0] if voices else None)
     
     lang1_select.change(update_voices, inputs=[lang1_select], outputs=[voice1_select])
@@ -169,5 +180,9 @@ with gr.Blocks() as demo:
     generate_btn.click(generate_script_wrapper, inputs=[api_key_input, content_input, duration], outputs=script_output)
     render_btn.click(render_podcast_wrapper, inputs=[api_key_input, script_output, voice1_select, voice2_select], outputs=audio_output)
 
+# Set initial values for voice dropdowns
+voice1_select.value = "Microsoft Server Speech Text to Speech Voice (en-US, AvaNeural)"
+voice2_select.value = "Microsoft Server Speech Text to Speech Voice (en-US, AndrewNeural)"
+
 if __name__ == "__main__":
     demo.launch()