handle multi-channel audio

app.py

@@ -52,7 +52,7 @@ def denoise(model_name, inputs):
 
     print(f"Denoised shape: {denoised.shape}")
 
-    return model.config.sample_rate, denoised
+    return model.config.sample_rate, denoised.transpose()
 
 
 iface = gr.Interface(