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BrailleEasy: One-handed Braille Keyboard for Smartphones

机译:Brailleeasy:用于智能手机的单手盲文键盘

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The evolution of mobile technology is moving at a very fast pace. Smart-phones are currently considered a primary communication platform where people exchange voice calls, text messages and emails. The human-smartphone interaction, however, is generally optimized for sighted people through the use of visual cues on the touchscreen, e.g., typing text by tapping on a visual keyboard. Unfortunately, this interaction scheme renders smartphone technology largely inaccessible to visually impaired people as it results in slow typing and higher error rates. Apple and some third party applications provide solutions specific to blind people which enables them to use Braille on smartphones. These applications usually require both hands for typing. However, Brailling with both hands while holding the phone is not very comfortable. Furthermore, two-handed Brailling is not possible on smartwatches, which will be used more pervasively in the future. Therefore, we develop a platform for one-handed Brailing consisting of a custom keyboard called BrailleEasy to input Arabic or English Braille codes within any application, and a Braille Tutor application for practicing. Our platform currently supports Braille grade 1, and will be extended to support contractions, spelling correction, and more languages. Preliminary analysis of user studies for blind participants showed that after less than two hours of practice, participants were able to type significantly faster with the BrailleEasy keyboard than with the standard QWERTY keyboard.
机译:移动技术的演变正在以非常快速的速度移动。智能手机目前被认为是一个主要的通信平台,人们交换语音呼叫,短信和电子邮件。然而,人类智能手机的交互通常通过在触摸屏上使用视觉线索来优化人们,例如,通过攻丝在视觉键盘上键入文本。不幸的是,这种互动方案呈现智能手机技术在视觉上障碍的人们越来越受到较慢的打字和更高的错误率。 Apple和一些第三方应用程序提供特定于盲人的解决方案,使他们能够在智能手机上使用盲文。这些应用程序通常需要双手打字。然而,用双手握住手机的同时不太舒服。此外,在Smartwatches上不可能在智能手表上进行双手烧烤,这将来将在未来更普遍地使用。因此,我们开发一个用于单手纪念的平台,包括一个名为BrailleaeSy的自定义键盘,在任何应用中输入阿拉伯语或英语盲文代码,以及用于练习的盲文导师应用程序。我们的平台目前支持盲文1级,并将扩展到支持缩放,拼写更正和更多语言。对盲人参与者的用户研究初步分析表明,经过少于两小时的练习后,参与者能够用盲文键盘比标准QWERTY键盘更快地键入。

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