Playing board games is important for people with a visually impairment, as it promotes interactive socialization and communication skills. However, some board games are not accessible to them at present. In this study, we proposed an auditory card game system that presents a card’s contents with auditory stimuli to all players, towards playing equally with others, regardless of whether they have a visual impairment or not as one of the solutions to make board games accessible. This proposal contributes significantly to expand the range of inclusive board games for the visually impaired. The purpose of this paper is to determine whether the game allows for fair competition for people with visual impairments and to clarify the effects of the valuable parameters of the system on the players. The effectiveness of the proposed system was verified by having experimental participants play “Auditory Uta-Karuta”. The results suggested that the proposed system has the potential for an accessible board game design regardless of visual impairment. In the following experiment, we investigated the impact of each valuable parameter of the system on the player’s perception of the board games to clarify the appropriate audio cue design method. The results of this experiment will greatly assist in designing an appropriate board game using the proposed system.
This study seeks to demonstrate that a navigation system using stereophonic sound technology is effective in supporting visually impaired people in public spaces. In the proposed method, stereophonic sound is produced by a pair of parametric speakers for a person who comes to a specific position, detected by an RGB-D sensor. The sound is a stereophonic earcon representing the target facility. The recipient can intuitively understand the direction of the target facility. The sound is not audible for anyone except for the person being supported and is not noisy. This system is constructed in a shopping mall, and an experiment is conducted, in which the proposed system and guidance by a tactile map lead to a designated facility. As a result, it is confirmed, that the execution time of the proposed method is reduced. It is also confirmed that the proposed method shows higher performance in terms of the average time required to grasp the direction than the tactile map approach. In the actual environment where this system is supposed to be used, the correct answer rate is over 80%. These results suggest that the proposed method can replace the conventional tactile map as a guidance system.
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This paper explores strategies that the visually impaired use to obtain information in unfamiliar environments. This paper also aims to determine how natural sounds that often exist in the environment or the auditory cues that are installed in various facilities as a source of guidance are prioritized and selected in different countries. The aim was to evaluate the utilization of natural sounds and auditory cues by users who are visually impaired during mobility. The data were collected by interviewing 60 individuals with visual impairments who offered their insights on the ways they use auditory cues. The data revealed a clear contrast in methods used to obtain information at unfamiliar locations and in the desire for the installation of auditory cues in different locations between those who use trains and those who use different transportation systems. The participants demonstrated a consensus on the need for devices that provide on-demand minimal auditory feedback. The paper discusses the suggestions offered by the interviewees and details their hopes for adjusted auditory cues. The study argues that auditory cues have high potential for improving the quality of life of people who are visually impaired by increasing their mobility range and independence level. Additionally, this study emphasizes the importance of a standardized design for auditory cues, which is a change desired by the interviewees. Standardization is expected to boost the efficiency of auditory cues in providing accurate information and assistance to individuals with visual impairment regardless of their geographical location. Regarding implications for practitioners, the study presents the need to design systems that provide minimal audio feedback to reduce the masking of natural sounds. The design of new auditory cues should utilize the already-existing imagination skills that people who have a visual impairment possess. For example, the pitch of the sound should change to indicate the direction of escalators and elevators and to distinguish the location of male and female toilets.
e interview questions were designed to acquire information relating to the type of support the university sta is o ering in order to help those students handle their study and overcome the problems they encounter during the course of their studies. e participants' situation before joining the university was also investigated to verify the impact of support they may have previously received for their study during the university period. e study concluded that the level of support o ered to those students was notably lower than what they were expecting to receive before they joined the university. It also became apparent that participants were very unsatis ed with the academic environment.
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