change to gradio blocks for interface.

app.py

@@ -26,16 +26,16 @@ def synthesize_speech(text):
 
     return audio_data.tobytes()
 
-# Create a Gradio interface with labels
-iface = gr.Interface(
-    fn=synthesize_speech,
-    inputs=gr.Textbox(label="Input Text"),
-    outputs=[gr.Audio(label="Synthesized Speech")],
-    title="Text to Speech Synthesizer",
-    description="Enter text to synthesize it into speech using PiperVoice.",
-    allow_flagging="never"
-    
-)
+# Using Gradio Blocks
+
+with gr.Blocks(theme=gr.themes.Base()) as blocks:
+    gr.Markdown("# Text to Speech Synthesizer")
+    gr.Markdown("Enter text to synthesize it into speech using PiperVoice.")
+    input_text = gr.Textbox(label="Input Text")
+    output_audio = gr.Audio(label="Synthesized Speech", type="numpy")
+    submit_button = gr.Button("Synthesize")
+
+    submit_button.click(synthesize_speech, inputs=input_text, outputs=output_audio)
 
 # Run the app
-iface.launch()
+blocks.launch()