Fix sample rate to 44.1kHz and run generation on CPU (GPU decorator only on startup check and load_model)

app.py

@@ -41,7 +41,6 @@ def load_model(model_name):
     return MODEL_CACHE[model_name]
 
 
-@spaces.GPU(duration=1)
 def generate_audio(prompt, duration, steps, cfg_scale, seed, model_name):
     print(f"Generating with {model_name}: prompt='{prompt}', duration={duration}s, steps={steps}, cfg={cfg_scale}, seed={seed}")
 
@@ -61,7 +60,7 @@ def generate_audio(prompt, duration, steps, cfg_scale, seed, model_name):
     audio = audio.to(torch.float32).clamp(-1, 1).mul(32767).to(torch.int16).cpu()
 
     output_path = "output.wav"
-    torchaudio.save(output_path, audio, 44000)
+    torchaudio.save(output_path, audio, 44100)
     print("Generation complete!")
     return output_path