VTTCue

VTTCue is a data format used for representing text and timing information for subtitles and captions. It is based on the WebVTT (Web Video Text Tracks) standard, which is widely used for displaying timed text in HTML5 video. VTTCue objects are created to represent individual cues, which are blocks of text that appear on the screen at specific times during video playback. Each VTTCue object typically contains the text content of the cue, its start and end times, and optional styling or metadata.

The VTTCue format allows for precise control over the appearance and timing of captions and subtitles. This includes specifying font styles, colors, positioning on the screen, and even enabling or disabling captions based on user preferences or the content itself. Because it's a standardized format, VTTCue ensures interoperability between different video players and web browsers. It is particularly important for accessibility, enabling users with hearing impairments to follow along with video content by providing synchronized text. Developers can manipulate VTTCue objects programmatically, allowing for dynamic creation or modification of captions as needed. This flexibility makes VTTCue a powerful tool for enhancing the video viewing experience.