Audio from multiple speakers positioned around you. 5.1, 7.1, Dolby Atmos are popular setups.

High Dynamic Range. Heightens a picture’s dynamic range (contrast) for richer, more detailed images.

The number of bits (data) processed per second. Higher bit rates mean better quality but larger files.

How many individual images make up one second of a video? Films traditionally use 24FPS.

How many times per second a screen completely redraws itself. Higher rates mean smoother motion.

The number of pixels in an image or video frame. Higher resolutions mean more detail.

The width-to-height ratio of a video or image. Old TVs used 4:3, modern ones use 16:9.

Playing media in real-time as it’s sent over the internet. Services like Spotify and Netflix use streaming.

Copying audio or video data from one format to another, like CD tracks to MP3 files.

A file format that stores compressed media along with metadata like subtitles. Examples are MP4 and MKV.