Braille display

Assistive tools in Information and Communication Technology (ICT) are specialized hardware and software solutions designed to enhance the functional capabilities of individuals with disabilities. 

i chose the vision related tool to write in my blog.

1.Braille Display.

A refreshable braille display or braille terminal is an electro-mechanical device for displaying braille characters, usually by means of round-tipped pins raised through holes in a flat surface. Visually impaired computer users who cannot use a standard computer monitor can use it to read text output. The image shown on my left is the braille. i feel that this tool will really help the people who are visually impaired get the same opportunities and treatment as normal people do. 

"Integrating refreshable Braille displays (RBDs) early in education reduces the physical finger strength required to read and write compared to traditional mechanical Perkins Braillers. Furthermore, it allows for seamless text editing via cursor routing keys and digital copy-and-paste commands, tasks that are impossible or highly disruptive on destructive paper Braille." (Perkins School for the Blind, 2024)

Brief Background.

I also search about the inventor of the braille display and the following are some information i gathered and learnt.

Louis Braille (4 January 1809 – 6 January 1852) was a French educator and the inventor of a reading and writing system named after him, braille intended for visually impaired people. His system is used worldwide and remains virtually unchanged to this day.

He was blinded in one eye at the age of three and it occurred as an result of an accident. Consequently, an infection set in and spread to both eyes, resulting in total blindness. Yet, he excelled in his studies and got scholarship in a  renowned university and as a student there, he began developing  a system of tactile code which helped the blind people to read and write. The image on my right is the picture of Louis Braille.

Advantage of braille display.

 As we know assistive tools are the tools which help people with disabilities, the invention of such tools will not only help them be fairly treated but also make sure that education is fairly sought by them. The advantages of this device are:

- bridge the gap between teacher and student

the braille display help us incorporate inclusive education where every person with visual disability feel included and can get the same opportunities as normal people do. This device will help see the text in print on the screen while the student reads it in braille on the display. 

- real- time collaboration.

this device will help teacher edit student's work and student will feel the changes instantly. This will eliminate the waiting period required for transcribing paper Braille into print.

-instant access to materials.

instead of waiting days for a textbook to be embossed on paper, a student can download a digital file and read it instantly alongside their sighted peers.

-silent participation.

students can take notes or read instructions during a lecture without an earpiece or the "click-clack " noise of a traditional braille typewriter, which can be loud and isolating. This will help the students concentrate better and focus well in the lecture.

- portability and mass storage. 

digital library allows a student to carry their entire library-textbooks, novels and homework in a device the size of a small keyboard. This will help the students to carry the device anywhere and anytime.

- simultaneous feedback. 

when paired with a screen reader, a student can hear a word and feel its spelling at the same time. This is the only way for a blind student to master complex spelling, punction and grammar- the foundations of literacy. This is also help students give feedbacks along the teacher. 

limitation of braille display.

As we all know everything will have their advantages and disadvantages, now let's see some of the limitation of the braille display. 

1. price per cell 

Braille display are often more expensive than computers it connects to. Because of the price tag, many users in developing economies or those without government / educational funding simple cannot access the technology. 

2. mechanical fragility and maintenance.  

 unlike a tablet or laptop, braille has hundreds of moving parts(the pins). Dust, skin oils, food crumbs, or liquid can easily jam the pins. if a single pin gets stuck , it can change the meaning of a character leading to reading errors. The actuators that push the pins up and own have finite lifespan. Repairs are often expensive and require shipping the unit back to a specialized manufacturer.

3. The learning curve. 

Code proficiency, to use a braille effectively, one must master various braille codes). It will be effectively if one has mastered the braille codes. "Tactile fatigue" is real. Reading braille for hours can be physically more tiring for the fingertips than listening to audio is for the ears. 

      How to integrate Braille display in teaching and learning.

Integrating braille display into our classroom can be a game-changer for inclusion. We will be promoting inclusive classroom. It shifts the student from being a "passive listener" to an "active reader." Here is how we can integrate the braille display;

1. By creating paperless classroom.

A braille display allows for instant distribution of materials without using the papers. we can use Google drive, OneDrive, Dropbox and drop a word document or an accessible PDF into a folder, and students can open it on their display immediately. If a student is writing an essay, you can open the same document on your computer. You can highlight a mistake, and the student will feel your cursor or comments on their display instantly. This will promote a paperless classroom whereby students don't have to use papers to do their work like paper braille.

2.Visual monitoring.

The most powerful move a teacher can make is to mirror the student's braille display onto a screen. When a student connects their display to an iPad or laptop via Bluetooth / USB, the screen reader (VoiceOver or TalkBack) provides a visual text box. This will help us look over the student's shoulder and see exactly what they are reading or typing in real-time. You don't need to know braille to check their spelling or progress.

3.The "silent partner" strategy.

Teach the student when to use the Braille display without speech.

Class discussion: encourage the students to use the display during lectures to take note silently. This allows them to listen to you without a "voice in their ear" competing with your voice.

public speaking: have the student use the display as a "prompt card." They can read their speech with their fingers while maintaining eye contact with the audience, which is impossible with paper Braille or audio.

<---This is how a paper braille looks like.