YouTube has added to a new feature with close caption that allows to the spectators one better understanding of the videos in different languages. The subtitles can help people understand the original audio language, for people who speak certain languages or people who do not have the capacity to listen.

In order to add subtitles to your videos, it is necessary to upload a subtitle file at “Titles and Subtitles” menu of the edition page. Also in order to add several subtitles to a video, it is necessary loading several files. If you wish to include foreign subtitles in several languages, you must upload a separated file for each language. There are more than 120 languages to choose and you can add as many subtitles as you wish for each video.

If a video is CC close captioned, you can activate this new feature clicking the button of menu located in the right inferior part of the video player. When doing click in this button it will allows to the spectator to choose the subtitles that he or she wishes to see.

Some of the YouTube Partners are already have begun to use the subtitles to offer one better understanding of the videos, even with audio off. Click in the following links to you see its operation.

BBC Worldwide: captions are provided in five different languages on this clip from Top Gear.
CNET: tech product reviews from CNET’s Crave blog.
UC Berkeley: footage from the Opencast Project Open House.
MIT: full lectures on subjects like Physics.
Gonzodoga: English subtitles on this awesome Japanese animation.

This is a sample of Japanese animation video with subtitles in English language.

Source: YouTube Blog