Glossary Terms

GLOSSARY

Video Formats

Mov- MOV video file is common multimedia format often used for saving movies and other video file and also uses a proprietary compression algorithm developed by Apple. Compatible with both Macintosh and Windows platforms.The format specifies a multimedia container file that contains one or more tracks, each of which stores a particular type of data: audio, video, effects, or text

Avi ( Audio Video Interleave ) - is a multimedia container format introduced by Microsoft. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the dvd video format, AVI files support multiple streaming audio and video, although these features are seldom used.

Streaming

Streaming is multimedia that is constantly received by and presented to an end user while being delivered by a streaming provider. The distinction is usually applied to media  that are distributed over telecommunications networks.

- Inherently streaming : radio , television

- Inherently Non streaming : books, video cassettes, cds.

 Live streaming means taking the media and broadcasting it live over the internet. The media content can be viewed by end users live. This involves an encoder to digitize the content in order either an end user or delivery network to distribute and deliver the content

File Compression

File Compression- is used to send one file from one computer to another over a connection that has limited bandwidth. The file gets compressed which basically means making it smaller so that the sending of the file is faster. However when compressing a file and sending it to another computer that computer has to have a program that will decompress the file so it can be returned to normal and used

Aspect Ratios

The aspect ratio of an image is the ratio of its height expressed as 2 numbers separated by a colon

Eg. 16:9 – 16 inches wide and 9 inches high

Frame Rates

Is the frequency rate at which an imaging device produces unique consecutive images called frames. Usually Used in computer graphics, video cameras, film cameras and motion capture systems.