Glossary

Avi-
Audio video interleave, is a multimedia container format. AVI files can contain audio and video data, in a file container that allowed synchronous audio with video playback. Just like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used.

Mov-
QuickTime Movie (file extension). The format specifies a multimedia container file that contains one or a number of tracks, each of which stores a particular type of data including audio, video, effects or text.

Streaming-
Streaming is a form of multimedia that is constantly received by and presented to an end user while being delivered by a streaming provider. the name refers to the delivery method of the medium rather than the medium itself. The distinction is applied to media that are distributed over telecommunications networks, just like other delivery systems are either including streaming ( radio, TV) or inherently non-streaming such as (books, video cassettes, audio CDs). Internet Television is a commonly streamed medium.

Aspect Ratio-
Refers to the width of a picture or screen in relation to its height. Ratios are expressed in the form 'width x height'.


Frame Rates-
Is formally known as the frequency rate at which an imaging device produces unique consecutive images called frames. The term applies equally well to computer graphics, video cameras. film cameras and motion capture systems. Frame rate is most often expressed in frames per second (FPS) - and in progressive scan monitors as Herts.

File Compression-
Is the practice of packaging a file or files to use less disk space. The file compression category includes software programs that will archive you files and extract archived files such as ZIP and RAR. Many products in this category let you manage files and protect them with encryption. Notable titles include WinZip, WinRAR and 7-Zip.