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“Listening” to PDFs (in MP3 format)

“Listening” to PDFs (in MP3 format) Dorian Miller Listening Hands free activity For the blind Listen instead of reading Technical Approach Store as MP3 and listen with player Alternatives Books on Tape bulky Dedicated machine TTS http://www.ostrichsoftware.com/

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“Listening” to PDFs (in MP3 format)

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  1. “Listening” to PDFs (in MP3 format) Dorian Miller

  2. Listening • Hands free activity • For the blind • Listen instead of reading

  3. Technical Approach • Store as MP3 and listen with player • Alternatives • Books on Tape bulky • Dedicated machine TTS • http://www.ostrichsoftware.com/ • Laptop with TTS software

  4. PDF-2-HTML HTML Parser MS TTS Lame wav-mp3 converter PDF to MP3 converter Python Input PDF Output MP3

  5. Demo • IP fall 2002 • Spatial Audio Interface: Providing landmark information to help the blind navigate outdoors • [Play audio] • Personal preference for voices (TTS engines) • Jaws uses Eloquence • MS TTS • Dragon Naturally speaking • IBM Via Voice

  6. Nike MP3 player no display

  7. Enhancements • Browsing document • Audio quality

  8. Document browsing • How to divide paper into tracks • By section • By page • Maintaining format • Tradeoff • More tracks, more to skim through

  9. Hyperlink style browsing • Ex. Link in table of contents to section. • Track in playlist associated with link

  10. MP3 Audio • Characteristics of spoken text • MS TTS speaks faster when • Male/Female voice to announce headings and read text 1.2 Parts of the brain In this section I will explain the importance of the hippocampus (a part of the brain).

  11. MP3 speed • Changing speed • Maintain pitch of different notes. • Favorite tool of musicians • Explained • http://www.seventhstring.demon.co.uk/xscribe/slowdown.html

  12. Implementation • http://rockbox.haxx.se/ • http://www.archos.com/

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