Effects of noise and reverberation on sound localization of acoustic guide signals for visually impaired people in public spaces

2014 ◽  
Vol 62 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Hiroshi Sato ◽  
Masayuki Morimoto ◽  
Hayato Sato
Keyword(s):  
Sound Localization ◽  
Visually Impaired ◽  
Public Spaces ◽  
Visually Impaired People ◽  
Impaired People

scholarly journals Improving the Audio Game–Playing Performances of People with Visual Impairments through Multimodal Training

2017 ◽  
Vol 111 (2) ◽  
pp. 148-164 ◽  
Author(s):  
Oana Bălan ◽  
Alin Moldoveanu ◽  
Florica Moldoveanu ◽  
Hunor Nagy ◽  
György Wersényi ◽  
...  
Keyword(s):  
Sound Localization ◽  
Visually Impaired ◽  
Spatial Information ◽  
Visual Impairments ◽  
Sensory Substitution ◽  
Training Procedure ◽  
3D Audio ◽  
Visually Impaired People ◽  
Impaired People ◽  
Haptic Learning

Introduction As the number of people with visual impairments (that is, those who are blind or have low vision) is continuously increasing, rehabilitation and engineering researchers have identified the need to design sensory-substitution devices that would offer assistance and guidance to these people for performing navigational tasks. Auditory and haptic cues have been shown to be an effective approach towards creating a rich spatial representation of the environment, so they are considered for inclusion in the development of assistive tools that would enable people with visual impairments to acquire knowledge of the surrounding space in a way close to the visually based perception of sighted individuals. However, achieving efficiency through a sensory substitution device requires extensive training for visually impaired users to learn how to process the artificial auditory cues and convert them into spatial information. Methods Considering all the potential advantages game-based learning can provide, we propose a new method for training sound localization and virtual navigational skills of visually impaired people in a 3D audio game with hierarchical levels of difficulty. The training procedure is focused on a multimodal (auditory and haptic) learning approach in which the subjects have been asked to listen to 3D sounds while simultaneously perceiving a series of vibrations on a haptic headband that corresponds to the direction of the sound source in space. Results The results we obtained in a sound-localization experiment with 10 visually impaired people showed that the proposed training strategy resulted in significant improvements in auditory performance and navigation skills of the subjects, thus ensuring behavioral gains in the spatial perception of the environment.

scholarly journals Indoor navigation by blind people: Behaviors and challenges in unfamiliar spaces and buildings

2019 ◽  
Vol 37 (2) ◽  
pp. 140-153 ◽  
Author(s):  
Watthanasak Jeamwatthanachai ◽  
Mike Wald ◽  
Gary Wills
Keyword(s):  
Visually Impaired ◽  
Public Spaces ◽  
Indoor Navigation ◽  
Environmental Cues ◽  
Navigation Systems ◽  
Additional Information ◽  
Visually Impaired People ◽  
Impaired People ◽  
First Time ◽  
Indoor Spaces

A number of visually impaired people suffer from navigation-related activities due to mishaps that discourage them from going out for social activities and interactions. In contrast to outdoors, traveling inside public spaces is a different story, as many environmental cues cannot be used and have their own set of difficulties. Some technologies have come into play in helping these people to have freedom in navigation (e.g., accessible map, indoor navigation systems, and wearable computing devices). However, technologies like accessible maps or indoor navigation systems are insufficient to fulfill the independent navigation gap as additional information is required (obstacles, barriers, and accessibility). To promote indoor navigation and create better use of technologies for visually impaired people, it is essential to understand the facts and actual problems that they experience, and what behaviors and strategies they use to overcome any problems; these are the concerns that led to this study. In all, 30 visually impaired people and 15 experts were recruited to give an interview about the behavior and strategies used to navigate indoor spaces, especially public spaces, for example, universities, hospitals, malls, museums, and airports. The findings from this study reveal that navigating inside buildings and public spaces full of unfamiliar features is too difficult to attempt the first time for a number of reasons, reducing their confidence in independent navigation.

scholarly journals PUSAT KOMUNITAS TUNANETRA KOTA BANJARMASIN

2021 ◽  
Vol 10 (1) ◽  
pp. 253-262
Author(s):  
Rizki Maulina Sari ◽  
Muhammad Deddy Huzairin
Keyword(s):  
Human Resources ◽  
Human Resource Development ◽  
Human Resource ◽  
Visually Impaired ◽  
Resource Development ◽  
Public Spaces ◽  
Musical Instrument ◽  
Blind And Visually Impaired ◽  
Visually Impaired People ◽  
Impaired People

Oftentimes, we happen to meet with blind and visually impaired people in the middle of Banjarmasin City either while begging for some cash, tried to sell some newspaper, singing or more familiar with busking using musical instrument even though sometimes they also used speaker and any other additional instruments or offers massage service with a patch-up looking presentation. The reality that was just explained happen to be one of the situation where a lot of times were under spotlight due to the lack of diversity and also inclusivity in human resource development for blind and visually impaired people. Some of the reasons why difabel people struggled in developing the human resources inside individual is because the lack of facility in public spaces most likely in mobility side, spaces for improvement for individual or also groups for doing organization that can help regularity within the activity inside. 

Application of IoT Based Stick for Visually Impaired People in CVIS System

CICTP 2020 ◽  
2020 ◽  
Author(s):  
Ammar Muhammad ◽  
Qizhou Hu ◽  
Muhammad Tayyab ◽  
Yikai Wu ◽  
Muhammad Ahtsham
Keyword(s):  
Visually Impaired ◽  
Visually Impaired People ◽  
Impaired People

Widening the horizons: Information space of the library for the blind as the resource to improve quality of life of visually impaired people

2020 ◽  
Author(s):  
Olga Novikova ◽  
Keyword(s):  
Quality Of Life ◽  
Continuing Education ◽  
Visually Impaired ◽  
Information Space ◽  
Advanced Training ◽  
Improve Quality ◽  
Visually Impaired People ◽  
Impaired People ◽  
Special Library

The special library acts as the cultural and educational center for visually impaired people, and as the center for continuing education. The multifunctional performance of the library is substantiated. The joint projects accomplished in cooperation with theatres and museums and aimed at integrating the visually impaired people into the society are described. Advanced training projects for the library professionals accomplished in 2018 are discussed.

Touching Blind Bodies: A Critical Inquiry into Pedagogical and Cultural Constructions of Visual Disability in the Nineteenth Century

2018 ◽  
Author(s):  
Heather Tilley ◽  
Jan Eric Olsén
Keyword(s):  
Nineteenth Century ◽  
Visually Impaired ◽  
Blind People ◽  
Embodied Experience ◽  
Visual Disability ◽  
Visually Impaired People ◽  
Educational Challenges ◽  
Impaired People ◽  
The Senses ◽  
Cultural Constructions

Changing ideas on the nature of and relationship between the senses in nineteenth-century Europe constructed blindness as a disability in often complex ways. The loss or absence of sight was disabling in this period, given vision’s celebrated status, and visually impaired people faced particular social and educational challenges as well as cultural stereotyping as poor, pitiable and intellectually impaired. However, the experience of blind people also came to challenge received ideas that the visual was the privileged mode of accessing information about the world, and contributed to an increasingly complex understanding of the tactile sense. In this chapter, we consider how changing theories of the senses helped shape competing narratives of identity for visually impaired people in the nineteenth century, opening up new possibilities for the embodied experience of blind people by impressing their sensory ability, rather than lack thereof. We focus on a theme that held particular social and cultural interest in nineteenth-century accounts of blindness: travel and geography.

Low cost audio based intelligent guidance system for visually impaired people

2020 ◽  
Vol 24 (03) ◽  
pp. 515-520
Author(s):  
Vattumilli Komal Venugopal ◽  
Alampally Naveen ◽  
Rajkumar R ◽  
Govinda K ◽  
Jolly Masih
Keyword(s):  
Visually Impaired ◽  
Low Cost ◽  
Guidance System ◽  
Visually Impaired People ◽  
Impaired People

MAGIC-I as Assistance for the Visually Impaired People

2020 ◽  
Vol 13 ◽  
Author(s):  
Kavita Pandey ◽  
Dhiraj Pandey ◽  
Vatsalya Yadav ◽  
Shriya Vikhram
Keyword(s):  
Visually Impaired ◽  
Smart Phone ◽  
Emergency Situation ◽  
Daily Activities ◽  
Daily Life Activities ◽  
Best Friends ◽  
Visually Impaired People ◽  
The World ◽  
Impaired People ◽  
Impaired User

Background: According to the WHO report, around 4.07% of the world's population is visually impaired. About 90% of the visually impaired users live in the lower economic strata. In the fast moving technology, most of the invention misses the need of these people. Mainly the technologies were designed for mainstream people; visually impaired people always find an inability to access it. This inability arises primarily for reasons such as cost, for example, Perkins Brailler costs 80-248 dollars for the simple purpose of Braille input. Another major reason is the hassle of carrying the big equipment. Objective: Keeping all this in mind and making technology as their best friends, MAGIC-1 has been designed. The goal is to provide a solution in terms of an application, which helps the visually impaired user in their daily life activities. Method: The proposed solution assists visually impaired users through smart phone technology. If visually impaired users ever wished to have a touched guide into a smart phone, MAGIC-1 has the solution that consolidates all the important features in their daily activities. Results: The performance of the solution as a whole and its individual features in terms of usability, utility and other metrics, etc. has been tested with sample visually impaired users. Moreover, their performances in term of Errors per Word and Words per Minute have been observed. Conclusion: MAGIC-I, the proposed solution works as an assistant of visually impaired users to overcome their daily struggles and stay more connected to the world. A visually impaired user can communicate via their mobile devices with features like eyes free texting using braille, voice calling etc. They can easily take help in an emergency situation with the options of SOS emergency calling and video assistance.

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