Voice-based interface design – presentation

Rung András’s presentation at the NLP meetup on 22th February 2017.

Find below the excerpt of the presentation.

You can download the presentation here

From whom is this relevant?

  • 16% illiterate
  • 14% younger than the age of 6 years
  • 2% visually impaired
  • 10% dyslexic

When?

  • Occupied hands
  • Cheap gesture
  • Passive
  • Group-based

Why is it interesting?

  • Alexa and Google home will shake things up
  • Still before the starting line in Hungary
  • Moving past IVR
  • The death of VUI or GUI?

Chatting or taking care of business – From butler to friend

  • Situation-dependent adaptation (task, intent)
  • Co-reference and context management
  • A mix of visual and voice-based solutions
  • Expectation management

Sample conversations – Creating the interface’s backbone

  • On-site work and interviews
  • Creating successful conversation paths using diagram drawers
  • Nuance Mix, Api,.ai, Wit.ai
  • Creating visual screens

Constructive grammar – VUI and modern language theory?

  • Wildcards and logical inputs
  • Fillmore, Goldberg
  • Complex opportunity management

Confirmation

  • Three-level feedback
  • Clearly: The weather in San Francisco is…
  • Not a linguistic signal
  • Generic: I’m sorry to hear that
  • Visual

Troubleshooting, assistance

  • No speech
  • No interpreted speech
  • Processed but not managed speech
  • Poorly recognised
  • Beginners and proficient user management
  • Assistance and correction opportunities

Clarification, versions

  • Too much information: I have a headache and nausea…
  • Input variation management: fridge, refrigerator, chiller, cooler, ice-box
  • What is the temperature in Velence? /Call John.
  • Asking back or guessing

Intentions, complex data entry

  • Show me my calendar / add an event / delete event, etc.
  • Emotion detection based on voice and keywords
  • Nonlinear completion of complex forms

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