Update default model selection and padding option in app.py

app.py

@@ -136,7 +136,7 @@ with gr.Blocks(title="Dolphin Speech Recognition") as demo:
             with gr.Row():
                 model_dropdown = gr.Dropdown(
                     choices=list(MODELS.keys()),
-                    value=list(MODELS.keys())[0],
+                    value=list(MODELS.keys())[1],
                     label="Model Size"
                 )
 
@@ -160,7 +160,7 @@ with gr.Blocks(title="Dolphin Speech Recognition") as demo:
                     label="Include Timestamps"
                 )
                 padding_checkbox = gr.Checkbox(
-                    value=True,
+                    value=False,
                     label="Pad Speech to 30s"
                 )