1. Text
-
Text is the basic element of multimedia.
It involves the use of text types, sizes, colors and background colors.
-
In multimedia, text is
mostly use for titles, headlines, menu, paragraph, list etc.
-
In a multimedia application, other media
or screen can be linked through the use of text. This is what you call Hypertext.
- The most commonly used software for viewing text files are Microsoft Word, Notepad, Word pad etc. Mostly the text files are formatted with , DOC, TXT etc extension.
2. Graphics
-
It
is a digital representation of non-text information, such as a drawing, chart,
or photograph.
-
Graphics make the multimedia application
attractive. They help to illustrate ideas through still pictures.
-
There are two types of graphics used:
bitmaps (paint graphics) and vectors (draw graphics).
-
Bitmaps graphics also
called raster graphics. A bitmap represents the images as an array of dots
called pixels. Bitmap graphics are resolution-dependent and generate large file
sizes.
- Vectors graphics are images drawn on the computer with software that uses geometrical formulas to represent images and only require a small amount of memory.
3. Video
-
Video is the technology of electronically capturing,
recording, processing, storing, transmitting, and reconstructing a sequence of
still images representing scenes in motion.
- Photographic images that are played back at speeds of 15 to 30 frames a second and the provide the appearance of full motion.
The
use of video:
-
The embedding of video in multimedia
applications is a powerful way to convey information which can incorporate a
personal element which other media lack.
-
Promoting television shows, films, or other
non-computer media that traditionally have used trailers in their advertising.
-
Giving users an impression of a speaker’s
personality.
- Showing things that move. For example a clip from a motion picture. Product demos of physical products are also well suited for video.
4. Audio
-
In multimedia audio means
related with recording, playing etc.
-
Audio is an important
components of multimedia because this component increase the understandability
and improves the clarity of the concept.
- Audio includes speech, music or any other sound.
The
use of sound:
-
Music
§ Background
§ Attention
grabber
§ Sound
effect
-
Speech
§ Narration
§ Instruction
5. Animation
-
Animation
is the rapid display of a sequence of images of 2-D artwork or model positions
in order to create an illusion of movement.
-
It
is an optical illusion of motion due to the phenomenon of persistence of
vision, and can be created and demonstrated in a number of ways.
- Entertainment multimedia titles in general, and children’s titles specifically, rely heavily on animation.
The
use of animation:
-
To attract attention
-
To inform about the state of process
-
Demonstrations
-
Interactive simulations