Glossary of Media Terminology

Key Terms	Describe and explain the meaning of each term.
Video Format, eg .mov, avi	Avi is an acronym for Audio Video Interleave. It was introduced by micro soft in November 1992. Mov is a file compression format for Apple quick time. It is used for saving movies and other video like files.
Streaming	This is user ability to access and watch video’s while its still downloading. An example of this would be CNN.com, YouTube.com and many more.
File Compression	This is when a file is reduced in size to save come memory or transmission time. Compressed files are normally saved as part of a ZIP platform.  Majority of the time it can also be decompressed into it original form.
Aspect Ratio: 4:3, 16:9	An aspect ratio calculates the width and height of an image. This can be expressed in numbers. E.g  the standard television screen ratio is 4:3 as shown on the left .
Frame Rates	This is when a number of film and videos frames are displayed at every one second.