Virtual Reality (VR) has a great potential to improve skills of Deaf and Hard-of-Hearing (DHH) people. Most VR applications and devices are designed for persons without hearing problems. Therefore, DHH persons have many limitations when using VR. Adding special features in a VR environment, such as subtitles, or haptic devices will help them. Previously, it was necessary to design a special VR environment for DHH persons. We introduce and evaluate a new prototype called "EarVR" that can be mounted on any desktop or mobile VR Head-Mounted Display (HMD). EarVR analyzes 3D sounds in a VR environment and locates the direction of the sound source that is closest to a user. It notifies the user about the sound direction using two vibro-motors placed on the user's ears. EarVR helps DHH persons to complete sound-based VR tasks in any VR application with 3D audio and a mute option for background music. Therefore, DHH persons can use all VR applications with 3D audio, not only those applications designed for them. Our user study shows that DHH participants were able to complete a simple VR task significantly faster with EarVR than without. The completion time of DHH participants was very close to participants without hearing problems. Also, it shows that DHH participants were able to finish a complex VR task with EarVR, while without it, they could not finish the task even once. Finally, our qualitative and quantitative evaluation among DHH participants indicates that they preferred to use EarVR and it encouraged them to use VR technology more.
Sound source localization is important for spatial awareness and immersive Virtual Reality (VR) experiences. Deaf and Hard-of-Hearing (DHH) persons have limitations in completing sound-related VR tasks efficiently because they perceive audio information differently. This paper presents and evaluates a special haptic VR suit that helps DHH persons efficiently complete sound-related VR tasks. Our proposed VR suit receives sound information from the VR environment wirelessly and indicates the direction of the sound source to the DHH user by using vibrotactile feedback. Our study suggests that using different setups of the VR suit can significantly improve VR task completion times compared to not using a VR suit. Additionally, the results of mounting haptic devices on different positions of users’ bodies indicate that DHH users can complete a VR task significantly faster when two vibro-motors are mounted on their arms and ears compared to their thighs. Our quantitative and qualitative analysis demonstrates that DHH persons prefer using the system without the VR suit and prefer mounting vibro-motors in their ears. In an additional study, we did not find a significant difference in task completion time when using four vibro-motors with the VR suit compared to using only two vibro-motors in users’ ears without the VR suit.
“To Mohassess, For the Wall” is an article written in 1964 by Jalal Al-e Ahmad, one of the most influential and charismatic Iranian intellectuals of the time. Three years before writing this article, Al-e Ahmad had published Weststruckness, discussing the Iranians’ cultural alienation caused by the dependence on the west. In “To Mohassess, For the Wall”, Al-e Ahmad shifts his analysis to Iranian painting, arguing that Iranian painters during the 1960s merely repeat Western cultural processes and strategies instead of constructing Iranian ones. The context for Al-e Ahmad's argument is the Pahlavi regime's radical program of rapid modernization, which in the area of the arts was systematically expanded. Critical, provocative or problematic, the article offers a crucial window into the adoption of Western-style modernism by Iranian painters during the 1960s and into how an “insider” intellectual such as Al-e Ahmad evaluated the modernization of Iranian art before the background of what he perceived as the critical neglect of Iranian traditions. The text is addressed to Bahman Mohassess, a painter whom Al-e Ahmad considered to be one of the few who had not been coopted by the cultural policies of the Shah's regime.