On YouTube, “CC” typically signifies closed captions. These are textual representations of the audio content within a video, synchronized to appear on screen. They provide a text version of the spoken words and often include descriptions of significant sound effects, allowing viewers to understand the video even with the sound muted or if they have hearing impairments. As an example, a viewer might see the words “[Music playing]” displayed as part of the textual overlay during a musical interlude.
The inclusion of such text overlays significantly enhances accessibility for a broader audience. Individuals with hearing difficulties, non-native speakers, and those watching in noisy environments can all benefit. Furthermore, it can improve a video’s search engine optimization (SEO), as search engines can index the textual content. The availability of this feature dates back to efforts to make television broadcasts more accessible, and its implementation on platforms like YouTube continues that legacy.