voice preset mechanism changed

app.py

@@ -5,7 +5,7 @@ import numpy as np
 
 torch.set_num_threads(1)
 
-# Preload available models to optimize switching
+# Preload available models
 models = {
     "suno/bark": BarkModel.from_pretrained("suno/bark"),
     "suno/bark-small": BarkModel.from_pretrained("suno/bark-small")
@@ -29,7 +29,7 @@ voice_presets = {
 
 # Function to update voice presets based on selected language
 def update_voice_presets(language):
-    return gr.Dropdown.update(choices=voice_presets[language])
+    return gr.Dropdown.update(choices=voice_presets[language], value=voice_presets[language][0])
 
 # Function to generate speech
 def generate_speech(text, model_name, voice_preset):
@@ -50,17 +50,22 @@ with gr.Blocks() as app:
     # Language selection
     language_input = gr.Dropdown(
         ["English", "French", "German", "Turkish"],
-        label="Select Language"
+        label="Select Language",
+        value="English"
     )
     
     # Textbox for user input
     text_input = gr.Textbox(label="Enter Text", placeholder="Type something to synthesize...")
 
     # Model selection
-    model_preset_input = gr.Dropdown(["suno/bark", "suno/bark-small"], label="Select Model")
+    model_preset_input = gr.Dropdown(["suno/bark", "suno/bark-small"], label="Select Model", value="suno/bark-small")
 
-    # Voice preset dropdown (will be updated based on language)
-    voice_preset_input = gr.Dropdown(choices=[], label="Select Voice Preset")
+    # Voice preset dropdown (initially set to English presets)
+    voice_preset_input = gr.Dropdown(
+        choices=voice_presets["English"], 
+        label="Select Voice Preset", 
+        value=voice_presets["English"][0]
+    )
 
     # Button to generate voice
     generate_button = gr.Button("Generate Voice")
@@ -69,7 +74,7 @@ with gr.Blocks() as app:
     audio_output = gr.Audio(label="Generated Voice", type="numpy")
 
     # Set dynamic update on language selection
-    language_input.change(lambda lang: {"choices": voice_presets[lang]}, inputs=language_input, outputs=voice_preset_input)
+    language_input.change(update_voice_presets, inputs=language_input, outputs=voice_preset_input)
     
     # Generate voice on button click
     generate_button.click(