VoiceXML: A Field Evaluation

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VoiceXMLA Field Evaluation

• by Kristy Bradnum
• Supervisor Peter Clayton

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Overview

• Objective of Research
• Background
• What is VoiceXML?
• Where can VoiceXML be used?
• Approach
• Deliverables
• Timeline
• Relevant Publications
• Extensions

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Objective of Research

• Study the implementation possibilities of
  VoiceXML
• Develop a pilot version of ROSS
• Learn more about VoiceXML

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What is VoiceXML?

• Voice eXtensible Mark-up Language
• An emerging standard for voice activated web
  applications
• HTML for visual
• VoiceXML for audio
• Brings the web to telephones

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Where can VoiceXML be used?

• Access to web content via telephone
• Mobile access
• Non contact situation
• Disabled users

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What more can VoiceXML do?
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Background

• Mya Andersons Project (2002)
• Much potential
• Not enough support
• Progress ? more mature technology ? more success

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Approach

• Exploration of surrounding technologies
• Voice Recognition
• Speech Synthesis
• Iterative approach
• Set a goal
• Develop a system to determine feasibility
• Determine the next phase

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Deliverables

• A product - ROSS
• An evaluation of
• the range of capabilities of VoiceXML
• problem domain scope

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ROSS
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Timeline

• First semester
• Literature Survey
• Find out more about VoiceXML
• Investigation of Voice Recognition
• Second semester
• ROSS extension
• VoiceXML Evaluation
• Documentation

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Relevant Publications

• Mya Andersons project
• Books
• Beasley, R., Farley, M., O'Reilly, J. and Squire,
  L.,Voice Application Development with VoiceXML,
  Sams Publishing, Indianapolis, 2002.
• DreamTech Software India, Inc.,VoiceXML 2.0
  Developers Guide, McGraw-Hill/ Osborne,
  California, 2002.

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Relevant Publications

• Internet sites
• http//www-106.ibm.com/developerworks/ibm/library/
  i-voicestudio/
• http//www.alphaworks.ibm.com/tech/voiceserversdk
• http//www.eveandersson.com/arsdigita/asj/vxml/
• online VoiceXML forum at http//www.voicexml.org/

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Extensions

• Conversational
• Context-sensitive
• Human Will it rain tomorrow in Grahamstown?
• Computer The forecast calls for no rain tomorrow
  in Grahamstown.
• Human What about Joburg?
• Computer The forecast calls for no rain tomorrow
  in Joburg.
• Human Will it be sunny in Plett?
• Voice Input vs Keyboard Input

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Questions