Specification
A DTB is a collection of electronic files arranged to present information to the target population via alternative media, namely, human or synthetic speech, refreshable Braille, or visual display, e.g., large print. The DTB files comprising the DAISY format is
- Package File: A set of metadata describing the DTB
- Textual content file: Contains the text of the document in XML
- Audio Files: human or synthetic speech MP3 recordings
- Image files: for visual displays
- Synchronization files: synchronizes the different media files of the DTB during playback
- Navigation control file: for viewing the document’s hierarchical structure
- Bookmark/Highlight file: support to user-set highlights
- Resource file: for playback management
- Distribution Information File: maps each SMIL file to a specific media unit
Read more about this topic: DAISY Digital Talking Book