"Tuning in" to PDFs (in MP3 group) - PowerPoint PPT Presentation

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"Tuning in" to PDFs (in MP3 group)

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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/