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Using speech and dialogue for interactive TV navigation
Linköping University, Department of Computer and Information Science, ASLAB - Application Systems Laboratory. Linköping University, The Institute of Technology.
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
2004 (English)In: Interactive Access in the Information Society (UAIS), ISSN 1615-5289 (print) 1615-5297 (online), Vol. 3, no 3-4, 224-238 p.Article in journal (Refereed) Published
Abstract [en]

Interaction techniques for interactive television (iTV) are currently complex and difficult to use for a wide-range of viewers. Few previous studies have dealt with the potential benefits of multimodal dialogue interaction in the context of iTV for the purpose of flexibility, usability, efficiency, and accessibility. This paper investigates the benefits of introducing speech and connected dialogue for iTV interaction, and presents a case study in which a prototype system was built allowing users to navigate the information space and control the operation of the TV by a speech-based natural language interface. The system was evaluated by analysing the user experience in five categories capturing essential aspects of iTV interaction: interaction style, information load, data access, effectiveness and initiative. Design considerations relevant for speech and dialogue information systems for TV interfaces also emerged from the analysis.

Place, publisher, year, edition, pages
SpringerLink , 2004. Vol. 3, no 3-4, 224-238 p.
Keyword [en]
Electronic program guide, Universal access, Speech interaction, iTV
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-13521DOI: 10.1007/s10209-004-0106-xOAI: diva2:20903
Available from: 2004-06-20 Created: 2004-06-20 Last updated: 2011-08-15Bibliographically approved
In thesis
1. Augmenting the Remote Control: Studies in Complex Information Navigation for Digital TV
Open this publication in new window or tab >>Augmenting the Remote Control: Studies in Complex Information Navigation for Digital TV
2004 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The transition to digital TV is changing the television set into an entertainment as well as information supplier device that provides two-way communication with the viewer. However, the present remote control device is not appropriate for navigation through the huge amount of services and information provided by the future digital TV, presumably also a device for accessing the Internet. One possibility for coping with the complex information navigation required by TV viewers is an augmentation of the interaction tools currently available for TV. Two approaches to such an augmentation are investigated in this thesis: linking paper-based TV guides to the digital TV and enhancing the remote control unit with speech interaction.

Augmentation of paper-based TV guides is a futuristic research approach based on the integration of paper-based TV guides into computation technology. This solution provides interactive paper-based TV guides that also function as a remote control for the TV. A prototype system is developed and explorative studies are conducted to investigate this approach. These studies indicate the benefits of integrating paper-based TV guides into the TV set. They also illuminate the potential to provide innovative solutions for home information systems. Integrating familiar physical artefacts, such as paper and pen into TV technology may provide easy access to information services usually provided by PCs and the Internet. Thus, the same augmentation needed for TV as an entertainment device also opens up new communication channels for providing society information to citizens who do not feel comfortable with conventional computers.

The thesis also reports on studies of speech interfaces for TV information navigation. Traditional speech interfaces have several common problems, such as user acceptance and misinterpretation of user input. These problems are investigated in empirical and explorative studies with implementation of mockups and running research systems. We have found that the pragmatic solution of augmenting remote control devices by speech is a suitable solution that eases information navigation and search.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2004. 28 p.
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 872
remote control, digital TV, paper-based TV guides, speech interaction, speech interfaces
National Category
Computer Science
urn:nbn:se:liu:diva-5006 (URN)91-7373-940-5 (ISBN)
Public defence
2004-05-14, Visionen, Hus B, Campus Valla, Linköpings universitet, Linköping, 13:15 (English)
On the day of the public defence the status of articles III and V was: Submitted.Available from: 2004-06-20 Created: 2004-06-20 Last updated: 2012-01-25Bibliographically approved

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Berglund, AseelJohansson, Pontus
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ASLAB - Application Systems LaboratoryThe Institute of TechnologyDepartment of Computer and Information Science
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