... libraries Their AI narration policy: check current terms, as their position has evolved with the Spotify acquisition Apple Books Has been more cautious about AI narration Quality and disclosure requirements Check their current Book Partner Program guidelines Draft2Digital / PublishDrive Aggregators that distribute to multiple platforms Their policies tend to mirror the downstream retailers What every platform requires: Disclosure. You must label AI-narrated content. No exceptions. Quality standards. Glitchy audio, mispronunciations, or robotic delivery will get rejected regardless ...