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  • Interactive TV user interfaces [Elektronski vir] : how fast is too fast?
    Golja, Mitja ; Stojmenova Duh, Emilija ; Humar, Iztok, 1977-
    The analysis presented in this paper is the search for optimal scrolling speeds of the user interface for interactive TV (iTV) navigation. The most popular navigation techniques for browsing through ... user interfaces usually incorporate scrolling. Furthermore, the latest set-top-boxes have enough processing power to support very fast scrolling, not only for texts, but also for photographs and other elements. We designed and performed an experiment to measure the optimal scrolling speed for different activities on a user interface. We found that the optimal speed depends on the type and complexity of the navigational elements (like text or graphics). We discovered that less-complex elements, such as numbered TV-channel names, tolerate much higher scrolling speeds than more-complex elements, such as graphical elements like movie posters. We also analyzed the impact of the direction of navigation (vertical, horizontal) on the optimal speeds and the results show no major impact on the graphical elements, while for the text elements the difference is obvious. The results of this study can improve the usability of the horizontal and vertical navigation techniques in modern iTV navigation.
    Source: Multimedia tools and applications [Elektronski vir]. - ISSN 1573-7721 (Vol. 71, iss. 1, Jul. 2014, str. 61-76)
    Type of material - e-article
    Publish date - 2014
    Language - english
    COBISS.SI-ID - 2048172307

    Link(s):

    https://link.springer.com/article/10.1007%2Fs11042-013-1365-4
    DOI

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