1. Multimedia - An Overview
1/3/2019
Deblina Saha, Dept of IT, JU

2. Deblina Saha, Dept of IT, JU
The Term “Multimedia”
Composed of 2 parts:
Multi (multus) : “numerous, multiple”
Media (medium): “middle, center” agent for something.
More recently, ‘media’ started to convey the sense ‘intermediary’.
1/3/2019
Deblina Saha, Dept of IT, JU

3. Deblina Saha, Dept of IT, JU
Introduction
So, multimedia means
‘multiple intermediaries’ between the source and sink of information
or ‘multiple means’ by which information is stored, transmitted, presented or perceived.
Used for dissemination (distribute) and representation of information.
1/3/2019
Deblina Saha, Dept of IT, JU

4. Deblina Saha, Dept of IT, JU
Introduction
The multiple means by which we can perceive information are:
Text (books, newspapers)
Image and graphics ( photographs, maps, charts)
Sound (radio, audio cassettes)
Video and animation (TV, movie)
1/3/2019
Deblina Saha, Dept of IT, JU

5. Multimedia Presentation
A digital ‘show’ whose content is expressed through various media types.
Various objectives of the presentation
Viewers or target audiences
Different types of presentation
Multimedia Production
The process of creating the presentation
Authors and Authoring
1/3/2019
Deblina Saha, Dept of IT, JU

6. Characteristics of multimedia presentation
Multiple media
Non-linearity
Scope of interactivity
Integrity
Digital representation
1/3/2019
Deblina Saha, Dept of IT, JU

7. Deblina Saha, Dept of IT, JU
Multiple media
Text
Image
Graphics
Sound
Motion video
Animation
Static Elements
Time-varying Elements
1/3/2019
Deblina Saha, Dept of IT, JU

8. Deblina Saha, Dept of IT, JU
Non-linearity
The capability of ‘jumping’ or navigating from one point within a presentation to another point without appreciable delay.
Linear presentation( TV shows, motion pictures etc)
Non-linear presentation
1/3/2019
Deblina Saha, Dept of IT, JU

9. Deblina Saha, Dept of IT, JU
Interactivity
To make non-linearity a possibility, a user needs to interact with a presentation.
So capable of accepting user inputs and change its course accordingly.
Allows one to get involved with it by interacting with the individual media elements.
Example: CBT and CAI
1/3/2019
Deblina Saha, Dept of IT, JU

10. Digital Representation
Sequential access:
Magnetic tapes.
Random access:
Hard disks, compact disks etc.
1/3/2019
Deblina Saha, Dept of IT, JU

11. Deblina Saha, Dept of IT, JU
Integrity
Image Node
Text Node
Audio Node
1/3/2019
Deblina Saha, Dept of IT, JU

12. Deblina Saha, Dept of IT, JU
Uses of multimedia
Home Entertainment
Educational purpose
Industrial training
Information Kiosks
Corporate presentations
Business
1/3/2019
Deblina Saha, Dept of IT, JU

13. Deblina Saha, Dept of IT, JU
Uses of multimedia
Tourism & Travel Industry
Electronic Shopping
Communication & Networks
Medicine
Engineering Applications
Content Based Storage & Retrieval (CBSR) systems
1/3/2019
Deblina Saha, Dept of IT, JU

14. Steps for Creating a Multimedia Presentation
Choosing a Topic
Writing a Story
Writing a Script
Preparing a storyboard
Preparing a Flowline
Implementation
Testing and Feedback
Final delivery
1/3/2019
Deblina Saha, Dept of IT, JU