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Tools for understanding; tools for designing
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Tools for understanding; tools for designing

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My presentation of my short paper from OZCHI06.

My presentation of my short paper from OZCHI06.

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Tools for understanding; tools for designing Tools for understanding; tools for designing Presentation Transcript

  • Embracing errorful speech recognition: Understanding and Designing Ben Kraal , Anni Dugdale, Penny Collings and Michael Wagner
  • The Magistrates Court wanted to use ASR* * Automatic Speech Recognition
  • Software designer Field worker
  • Normal ASR is not for the Court Errorful recognition is usual
  • Rethink what “ASR for the Court” means
  • Use new techniques to rethink ASR
    • Caricatured Scenarios
    • Actor-Network Theory
  • Scenarios reveal hidden assumptions
    • And ask more questions
  • But don’t show ‘behind the scenes’ work
    • Which is itself an assumption!
    Photo from http://www.sxc.hu/photo/509606
  • ANT can show what is…
    • Obdurate
    Plastic
  • The courtroom is obdurate
    • Tradition resists change
    Photo bydabcanboulet, original at http://flickr.com/photos/dabcanboulet/129958067/
  • The ‘back room’ is plastic
    • Work practices are changeable
    Photo from http://www.sxc.hu/photo/455596
  • A new design targets plastic elements And respects obdurate ones
  • Finding the ‘new’ ASR
    • The speaker is not the user
    • Free form speech
    • Errors are OK
    • Integrated into work practices
    Recognising speech for use later
  • Whittaker’s SCAN and ScanMAIL Image from Whittaker et al 2002, pg276. What You See is Almost What You Hear
  • How can ASR be used at the Court?
    • In the back room
    • Desktop interface
    • Text from courtroom speech
    • Speech is archived
    • Speech has authority over text
  • Errorful ASR would disrupt the court
  • Use new techniques to rethink ASR Caricatured Scenarios Reveal assumptions Actor-Network Theory Obdurate – stable Plastic - changeable
  • Tools for understanding; Tools for designing Actor-Network Theory Obdurate – stable Plastic - changeable Caricatured Scenarios Reveal assumptions
  • Embrace Errorfulness
  • Thanks to… Magistrates Court of the ACT