lower inference.   guidance_scale (float, optional, defaults to 2.0) —
A higher guidance scale value encourages the model to generate audio that is closely linked to the text
prompt at the expense of lower sound quality. Guidance scale is enabled when guidance_scale > 1.   negative_prompt (str or List[str], optional) —
The prompt or prompts to guide what to not include in audio generation. If not defined, you need to
pass negative_prompt_embeds