Communications of the ACM - Multimodal interfaces that flex, adapt, and persist
Universal accessibility as a multimodal design issue
Communications of the ACM - ACM at sixty: a look back in time
Conveying browsing context through audio on digital talking books
UAHCI'07 Proceedings of the 4th international conference on Universal access in human-computer interaction: applications and services
Playback of rich digital books on mobile devices
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Evaluating usability improvements by combining visual and audio modalities in the interface
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction design and usability
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This paper presents a prototype of a mobile Digital Talking Book player, which, by combining visual and non-visual means of interaction, strives to achieve universal accessibility. Details on the non-visual aspects of the interaction, both input and output, are provided. To assess the validity of the proposed solutions, an experiment evaluates the non-visual operation of the prototype. Results show users can complete the same tasks with visual and non-visual interaction. However, some limitations are identified, and the observations prompt a discussion on how the use of multimodal interfaces can improve their accessibility and usability.