Research on UI/UX improvement of subtitle service app : Proposal to improve usability of ‘Eeojum’, an automatic subtitle generation app for the hearing impaired

This study aims to improve users' video content accessibility, usability, and aesthetic satisfaction by analyzing the UI/UX of <Eeojum>, an app that provides an automatic subtitle creation service for the hearing impaired, in terms of functionality and usability. To this end, we conducted preliminary research on automatic subtitle generation apps, analyzed the environment and actual conditions of mobile use by hearing impaired people, and analyzed domestic and international app accessibility policies and public institution UI design guidelines. Based on this, we looked at the UI/UX characteristics of <Eeojum>, derived UI/UX improvement items to improve app accessibility quality and usability, and proposed improvements to the voice conversion app UI/UX design draft. The biggest goal was to simplify the structure of IA and strengthen the visual formability of the display to improve usability, presenting design guidelines aimed at improving usability for the hearing impaired, the main users.