ded. Mask will be converted into a bias,
which adds large negative values to the attention scores corresponding to “discard” tokens.   Returns 
UNet2DConditionOutput or tuple
  
If return_dict is True, an UNet2DConditionOutput is returned, otherwise
a tuple is returned where the first element is the sample tensor.
  The AudioLDM2UNet2DConditionModel forward method.  AudioPipelineOutput  class diffusers.AudioPipelineOutput  < source > ( audios: 