04-05-2012, 10:33 AM
EE442—Multimedia Networking
handout1.ppt (Size: 1.85 MB / Downloads: 81)
What is multimedia?
Definition of multimedia
Hard to find a clear-cut definition
In general, multimedia is an integration of text, graphics, still and moving images, animation, sounds, and any other medium where every type of information can be represented, stored, transmitted and processed digitally
Characteristics of multimedia
Digital – key concept
Integration of multiple media type, usually including video or/and audio
May be interactive or non-interactive
Various Media Types
Text, Graphics, image, video, animation, sound, etc.
Classifications of various media types
Captured vs. synthesized media
Captured media (natural) : information captured from the real world
Example: still image, video, audio
Synthesized media (artificial) : information synthesize by the computer
Example: text, graphics, animation
Discrete vs. continuous media
Discrete media: spaced-based, media involve the space dimension only
Continuous media: time-based, media involves both the space and the time dimension
Graphics
Revisable document that retains structural information
Consists of objects such as lines, curves, circles, etc
Usually generated by graphic editor of computer programs