M paper. Only applies
to the DDIMScheduler, and is ignored in other schedulers.   noise (torch.Tensor) —
A noise tensor of shape (batch_size, 1, height, width) or None.   encoding (torch.Tensor) —
A tensor for UNet2DConditionModel of shape (batch_size, seq_length, cross_attention_dim).   return_dict (bool) —
Whether or not to return a AudioPipelineOutput, ImagePipelineOutput or a plain tuple.   Returns 
List[PIL Image]
  
A list of Mel spectrog