FR - generate epub3 ebooks with media overlays #115
Description
It looks like epub 3 would support an audio overlay of the generated audio files: https://search.brave.com/search?q=epub+3+media+overlay&source=desktop&summary=1&conversation=ed4dcaca6064ccccd7b9bc
some example apps that support epub 3 with media overlays: https://smoores.gitlab.io/storyteller/docs/reading-your-books/other-apps