_prompt > 1, the text encoding
model is a joint text-audio model (ClapModel), and the tokenizer is a
[~transformers.ClapProcessor], then automatic scoring will be performed between the generated outputs
and the input text. This scoring ranks the generated waveforms based on their cosine similarity to text
input in the joint text-audio embedding space.   eta (float, optional, defaults to 0.0) —
Corresponds to parameter eta (η) from the DDIM pape