1. VoiceXML: A Field Evaluation by: Kristy Bradnum Supervisor: Peter Clayton

2. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Overview Objective of Research Background  What is VoiceXML?  Where can VoiceXML be used? Approach Deliverables Timeline Relevant Publications Extensions

3. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Objective of Research Study the implementation possibilities of VoiceXML Develop a pilot version of ROSS Learn more about VoiceXML

4. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 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

5. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Where can VoiceXML be used? Access to web content via telephone Mobile access Non contact situation Disabled users

6. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 What more can VoiceXML do?

7. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Background Mya Anderson’s Project (2002)  Much potential  Not enough support Progress → more mature technology → more success

8. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Approach Exploration of surrounding technologies  Voice Recognition  Speech Synthesis Iterative approach  Set a goal  Develop a system to determine feasibility  Determine the next phase

9. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Deliverables A product - ROSS An evaluation of  the range of capabilities of VoiceXML  problem domain scope

10. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 ROSS Welcome to ROSS. To login, please say your username. g 0 1 b 3 1 5 9

11. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Timeline First semester  Literature Survey  Find out more about VoiceXML  Investigation of Voice Recognition Second semester  ROSS extension  VoiceXML Evaluation  Documentation

12. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Relevant Publications Mya Anderson’s 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 Developer’s Guide, McGraw-Hill/ Osborne, California, 2002.

13. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 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/

14. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Extensions Conversational Context-sensitive Human: Will it rain tomorrow in Grahamstown? Computer: The forecast calls for no rain tomorrow in Grahamstown. Human: What about Jo’burg? Computer: The forecast calls for no rain tomorrow in Jo’burg. Human: Will it be sunny in Plett? Voice Input vs Keyboard Input

15. ------------ VoiceXML: A Field Evaluation ------------ Kristy Bradnum – Computer Science Honours 2004 Questions