Subtitling is the process of placing text in an audiovisual product.

Subtitling is useful or indispensable to ensure that everyone watching audiovisual content understands what is said.

If you do not understand the language of the original audio, if you are in a space where silence is required or prefer to read the subtitles in the source language because it facilitates your understanding of what you see and hear, then subtitling is the ideal solution.