1 Introduction The BBC Academy has produced an online guide to subtitling. If you are new to subtitling, please start there. Subtitles are primarily intended to serve viewers with loss of hearing, but they are used by a wide range of people: around 10% of broadcast viewers use subtitles regularly, increasing to 35% for some online content. The majority of these viewers are not hard of hearing. Thi
![BBC Subtitle Guidelines](https://cdn-ak-scissors.b.st-hatena.com/image/square/791c702da757aeaa8ea9c6e6b6c03320975c6313/height=288;version=1;width=512/https%3A%2F%2Fbbc.github.io%2Fsubtitle-guidelines%2Fimg%2FEBU-TT-D_illustration1.png)