Suno that describes the service as a collaboration between OpenAI’s ChatGPT (for lyric writing) and Suno’s music generation model
That would seem to suggest it’s two models and the audio is generated by the second.
Edit: from GitHub
Bark is fully generative text-to-audio model devolved for research and demo purposes. It follows a GPT style architecture similar to AudioLM and Vall-E and a quantized Audio representation from EnCodec
Bark model uses ChatGPT as a base. So it is LLM, it’s just tailored for text-to-audio.
Interesting.
That would seem to suggest it’s two models and the audio is generated by the second.
Edit: from GitHub