Wizard-of-Oz test of ARTUR: a computer-based speech training system with articulation correction

Authors:
Olle Bälter;Olov Engwall;Anne-Marie Öster;Hedvig Kjellström
Affiliations:
KTH (Royal Institute of Technology), Stockholm, Sweden;KTH (Royal Institute of Technology), Stockholm, Sweden;KTH (Royal Institute of Technology), Stockholm, Sweden;KTH (Royal Institute of Technology), Stockholm, Sweden
Venue:
Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility
Year:
2005

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Abstract

This study has been performed in order to test the human-machine interface of a computer-based speech training aid named ARTUR with the main feature that it can give suggestions on how to improve articulation. Two user groups were involved: three children aged 9-14 with extensive experience of speech training, and three children aged 6. All children had general language disorders.The study indicates that the present interface is usable without prior training or instructions, even for the younger children, although it needs some improvement to fit illiterate children. The granularity of the mesh that classifies mispronunciations was satisfactory, but can be developed further.