Update app.py

app.py

@@ -341,7 +341,7 @@ def transcribe_audio(audio_path):
 # === TTS Tab ===
 tts = TTS(model_name="tts_models/en/ljspeech/tacotron2-DDC", progress_bar=False)
 
-def generate_tTS(text):
+def generate_tts(text):
     out_path = os.path.join(tempfile.gettempdir(), "tts_output.wav")
     tts.tts_to_file(text=text, file_path=out_path)
     return out_path
@@ -554,7 +554,7 @@ with gr.Blocks(title="AI Audio Studio", css="style.css") as demo:
                     "Stage Mode"
                 ]),
                 gr.Checkbox(label="Isolate Vocals After Effects"),
-                gr.Dropdown(choices=preset_names, label="Select Vocal Preset", value="Default"),
+                gr.Dropdown(choices=preset_names, label="Select Vocal Preset", value=preset_names[0] if preset_names else None),
                 gr.Dropdown(choices=["MP3", "WAV"], label="Export Format", value="MP3")
             ],
             outputs=[
@@ -679,7 +679,7 @@ with gr.Blocks(title="AI Audio Studio", css="style.css") as demo:
         )
 
     # --- Mix Two Tracks ===
-    with gr.Tab(" remix mode"),
+    with gr.Tab("🔀 Mix Two Tracks"):
         gr.Interface(
             fn=mix_tracks,
             inputs=[