well, what it supports seems clear from the page: Voice of DAISY About Voice of DAISY Voice of DAISY (VOD) is a DAISY audio book player that supports multimedia DAISY. DAISY (Digital Accessible Information System) is an international standard for the people who have difficulty in reading ordinary printed materials including those with visual impairment or dyslexia to "read" books. By using Voice of DAISY, you can play and listen to DAISY format audio books. Type of Supported DAISY Audio Books By Voice of DAISY, you can play DAISY audio books of "Full audio with NCC only" and "Full audio and full text" that are defined by DAISY 2.02. Restrictions Voice of DAISY has the following restrictions: Voice of DAISY does not support DAISY 2.0 and DAISY 3 standards. Voice of DAISY does not support the following DAISY audio books and you cannot play those by Voice of DAISY: "Full audio with Title element only," "Full audio with NCC partial text," "Full text and some audio," and "Full text and no audio." Voice of DAISY cannot play audio files recorded by ADPCM2 (codec) that is unique to DAISY. Voice of DAISY cannot play a DAISY audio book that does not completely conform to DAISY 2.02 standard. How to Use
Voice of DAISY (VOD) The World's First Multimedia DAISY 2.02 Player for iPhone/iPod touch $25.99