Glossary of Terms

Key Terms	Describe and explain the meaning of each term give examples where appropriate.
Video Formats, eg .mov, avi	A video format is the type of form in which a video is structured by. For example .mov is used for files on apple computers, and the avi format in used on pc formats.
Streaming	The transfer of data so that it is processed in a continual stream websitesuch as youtube and video stream other videos
File Compression	The breaking down of data size, in order to save more time and file space. Disadvantages include that the file quality decreases and errors can occur during the compression
Aspect ratios: 4:3, 16:9	The ratio of the width to the height of image/video. 4:3 is the normal ratio for TV screens and 16:9 is used by movie producers.
Frame rates	The frame-rate says how many images of a movie are displayed every second a movie is played. The higher frame rate a movie has the smoother objects move in the movie.