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“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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Presentation Transcript
listening
Listening
  • Hands free activity
  • For the blind
  • Listen instead of reading
technical approach
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
slide4

PDF-2-HTML

HTML Parser

MS TTS

Lame wav-mp3 converter

PDF to MP3 converter

Python

Input

PDF

Output

MP3

slide5
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
enhancements
Enhancements
  • Browsing document
  • Audio quality
document browsing
Document browsing
  • How to divide paper into tracks
    • By section
    • By page
  • Maintaining format
  • Tradeoff
    • More tracks, more to skim through
hyperlink style browsing
Hyperlink style browsing
  • Ex. Link in table of contents to section.
  • Track in playlist associated with link
mp3 audio
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).

mp3 speed
MP3 speed
  • Changing speed
    • Maintain pitch of different notes.
  • Favorite tool of musicians
  • Explained
    • http://www.seventhstring.demon.co.uk/xscribe/slowdown.html
implementation
Implementation
  • http://rockbox.haxx.se/
  • http://www.archos.com/