Designing the user interface of the computer-based speech training system ARTUR based on early user tests

Authors: Engwall, Olov¹; Bälter, Olle²; Öster, Anne-Marie¹; Kjellström, Hedvig²

Source: Behaviour and Information Technology, Volume 25, Number 4, July-August 2006 , pp. 353-365(13)

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Abstract:

This study has been performed in order to evaluate a prototype for the human - computer interface of a computer-based speech training aid named ARTUR. The main feature of the aid is that it can give suggestions on how to improve articulations. Two user groups were involved: three children aged 9 - 14 with extensive experience of speech training with therapists and computers, and three children aged 6, with little or no prior experience of computer-based speech training. 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, but that more motivational factors should be introduced. The granularity of the mesh that classifies mispronunciations was satisfactory, but the flexibility and level of detail of the feedback should be developed further.

Keywords: Computer-based speech training system; User interface; Wizard of Oz test; Participatory design

Document Type: Research article

DOI: http://dx.doi.org/10.1080/01449290600636702

Affiliations: 1: Centre for Speech Technology (CTT), School of Computer Science and Communication, KTH (Royal Institute of Technology, Sweden 2: Interaction and Presentation Laboratory, School of Computer Science and Communication, KTH (Royal Institute of Technology, Sweden

Publication date: 2006-07-01

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