daisy/obi
Obi is an open source audio book production tool that produces digital talking books (DTBs) conforming to DAISY 3 (ANSI/NISO Z39.86), DAISY 2.02 and Accessible EPUB 3 standards. It is easy to learn, highly accessible, and powerful navigable audio book production tool that enables anybody to produce accessible and rich content with minimal amount of training.
Obi helps you transform spoken audio into structured, navigable audiobooks. You input raw voice recordings, and it outputs digital talking books (DTBs) that meet DAISY or Accessible EPUB 3 standards. This tool is for anyone creating audiobooks, from large production studios to individual volunteers, especially those focused on accessibility.
Use this if you need to produce accessible audiobooks with features like navigation and structured content, without extensive training.
Not ideal if you're only looking for a basic audio editor or a tool to convert text directly to speech.
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HTML
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Last pushed
Mar 18, 2026
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