SONOICE!是一个声纳-语音动态用户界面,用于帮助盲人和视力受损者精确定位二维触觉阅读器中的元素。

IF 1.3 Q3 REHABILITATION
Frontiers in rehabilitation sciences Pub Date : 2024-08-23 eCollection Date: 2024-01-01 DOI:10.3389/fresc.2024.1368983
Gaspar Ramôa, Vincent Schmidt, Thorsten Schwarz, Rainer Stiefelhagen, Peter König
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引用次数: 0

摘要

对于想要获取二维(2D)信息的盲人和视障人士(BVI)来说,在大面积的触觉表面上精确定位元素是一项挑战。这一点在使用二维触觉阅读器时尤为明显,该设备旨在通过静态触觉表现提供二维信息,并配有语音解释。传统的精确定位方法,如视力辅助和试错法,既有限又低效,而替代的精确定位用户界面(UI)仍在不断涌现,亟待改进。为了解决这些局限性,我们采用以用户为中心的设计方法,开发了三种不同的导航用户界面:声纳(近距离雷达声化)、语音(直接时钟系统语音指令)和声oice(一种结合了两者元素的新方法)。导航用户界面被整合到 Tactonom 阅读器设备中,对 10 名 BVI 参与者进行了试验研究。与传统的 "试错法 "相比,我们的用户界面表现出更优越的性能和更高的用户满意度,展示了对各种辅助技术的可扩展性,以及无论图形复杂程度如何都能达到的效果。创新的 Sonoice 方法在精确定位元素方面效率最高,但 Sonar 方法的用户满意度最高。令人惊讶的是,参与者的偏好各不相同,并不总是与他们最有效的策略相一致,这突出表明了在三种用户界面之间做出选择时,考虑个人用户偏好和环境因素的重要性。虽然更广泛的培训可能会揭示这些用户界面之间的进一步差异,但我们的结果强调了提供多样化选择以满足用户需求的重要性。总之,这些结果为改进二维触觉阅读器的功能提供了宝贵的见解,从而为无障碍技术的未来发展做出了贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SONOICE! a Sonar-Voice dynamic user interface for assisting individuals with blindness and visual impairment in pinpointing elements in 2D tactile readers.

Pinpointing elements on large tactile surfaces is challenging for individuals with blindness and visual impairment (BVI) seeking to access two-dimensional (2D) information. This is particularly evident when using 2D tactile readers, devices designed to provide 2D information using static tactile representations with audio explanations. Traditional pinpointing methods, such as sighted assistance and trial-and-error, are limited and inefficient, while alternative pinpointing user interfaces (UI) are still emerging and need advancement. To address these limitations, we develop three distinct navigation UIs using a user-centred design approach: Sonar (proximity-radar sonification), Voice (direct clock-system speech instructions), and Sonoice, a new method that combines elements of both. The navigation UIs were incorporated into the Tactonom Reader device to conduct a trial study with ten BVI participants. Our UIs exhibited superior performance and higher user satisfaction than the conventional trial-and-error approach, showcasing scalability to varied assistive technology and their effectiveness regardless of graphic complexity. The innovative Sonoice approach achieved the highest efficiency in pinpointing elements, but user satisfaction was highest with the Sonar approach. Surprisingly, participant preferences varied and did not always align with their most effective strategy, underscoring the importance of accommodating individual user preferences and contextual factors when choosing between the three UIs. While more extensive training may reveal further differences between these UIs, our results emphasise the significance of offering diverse options to meet user needs. Altogether, the results provide valuable insights for improving the functionality of 2D tactile readers, thereby contributing to the future development of accessible technology.

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