Accessibility Features in Mobile Phone for Visually Impaired User

With the increasing number of mobile phone users, mobile phones have become important means of communication and information sharing. Mobile phone users consist of sighted users and visually impaired users. Touchscreen mobile phones are inaccessible for visually impaired users due to the absence of any physical keys and insufficient accessibility features. An effective accessible means for interacting with mobile phones may solve inaccessibility problem. This study describes various accessibility applications currently available for different functionalities in mobile phones. These accessibility applications provided accessibility for messaging, calling, text entry and helping with identifying medicines. The study helps in understanding various techniques used. These techniques include Speech to Text converter, Text to Speech converter, image recognition and Braille script. The study and comparison of all these currently available applications and techniques is very important for proposing new application.