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  • Johansson, Roger, et al. (författare)
  • Event boundary perception among the visually impaired in audio described films
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Audio description (AD) serves a critical role in making film narratives accessible to visually impaired audiences, aiming to enhance their viewing experience and comprehension. One method to assess the comprehension of film narratives, is through an event segmentation task, wherein participants delineate the narrative unfolding into distinct meaningful events. In the present study, both sighted and visually impaired participants engaged in such tasks. Sighted participants watched a Swedish film, while visually impaired participants experienced the same film with two AD versions—one explicitly expressing key event boundaries and another containing more implicitly conveyed ones. Our findings indicate that visually impaired participants perceived event boundaries similarly to sighted participants, suggesting that AD effectively conveys the event structure. However, in the AD version with implicit expressions, event boundaries were less likely to be recognized. These results shed light on event segmentation dynamics in films, emphasizing the importance of how event boundaries are presented in AD. This has significant implications for improving the cinematic experience for visually impaired viewers, emphasizing the need for clear, explicit information about event boundaries within AD.
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  • Lyberg Åhlander, Viveka, et al. (författare)
  • The Influence of Narrative Specificity and Voice Quality when Listening to Audio Descriptions : a Comparison of the Sighted and the Blind
  • 2023
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Audio description (AD) serves as a vital means to make visual media accessible to non-sighted and visually impaired audiences. This study systematically investigates the impact of narrative specificity and voice quality on imageability and comprehension in both sighted and non-sighted populations. Twenty non-sighted participants, including congenitally blind individuals and those who lost their sight early in life, were compared with a group of 20 sighted participants, matched for verbal working memory capabilities. Participants listened to 50 short event descriptions, describing spatiotemporal relations with varying levels of narrative specificity, presented in both typical and dysphonic voices. After each event description, participants rated their ability to imagine the content, overall comprehension, listening effort, and listening enjoyment. Results indicate that high narrative specificity enhanced imageability in non-sighted individuals, especially for scenarios involving changes in motion, and to some extent, for visuospatial relations, irrespective of sightedness. Additionally, dysphonic voices increased listening effort and reduced enjoyment for non-sighted participants only. These findings underscore the importance of considering voice quality and narrative specificity in AD for non-sighted users and have implications for both professional audio describers and the development of automated AD systems.
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