1. Definition and Aspects
Multimedia
Definition and Aspects
T.Sharon-A.Frank

2. What is Multimedia?
T.Sharon-A.Frank

3. Modern Multimedia (1)
The same story, information, etc, can be represented in different media:
text, images, sound, animation, video …
All media can be represented digitally as a structured collection of bits:
manipulated by programs, stored, transmitted over networks …
Digital media can be combined and integrated into multimedia.
T.Sharon-A.Frank

4. Modern Multimedia (2)
Combination of media is actually commonplace (e.g., TV news) and natural – we perceive the world through all our senses at once.
Novelty of digital multimedia is that all media can be treated as data.
Programs can manipulate data in response to user input, so digital multimedia can be interactive.
T.Sharon-A.Frank

5. Characteristics of Modern Multimedia
Four necessary characteristics:
1. Digital Media
2. Multiple Media
3. Integrated Media
4. Interactive with Human Control
T.Sharon-A.Frank

6. Multiple Media Conversion
maps
pictures
audio
ABC
text
video
graphics
T.Sharon-A.Frank

7. Device Proliferation
T.Sharon-A.Frank

8. Multimedia Workstation
Communication
CD-ROM
Frame
Grabber
Voice
Recognition
Unit
Fax
Video x
Speech
Synthesis
Unit
T.Sharon-A.Frank
Graphics
Audio

9. Multimedia Overall Configuration
AUTHORING
PLAYBACK
Videodisc player
Removable media
CD-ROM
Scanner
Speakers
Video display card
Touch screen
Sound digitizer
Videodisc player

10. Desktop Multimedia Publishing
Camcorder, camera
or videodisc player
Video or TV Monitor
Videotape recorder
CD-ROM
Audio mixer
Sound digitizer
High quality
video card
Speakers
T.Sharon-A.Frank

11. Multimedia Application Types
Local MM
Stand-alone
Networked and Distributed MM
Network based
Group communication oriented
Need QoS (Quality of Service)
T.Sharon-A.Frank

12. Online/Offline MM Delivery
Online Delivery:
Uses a network (usually the Internet) to send information from one computer to another.
Web is commonest form of online delivery of multimedia.
Offline Delivery:
Removable storage medium is used to carry the data: CD-ROM, DVD.
T.Sharon-A.Frank

13. Linearity vs. Non-Linearity
Linear Text
Hypertext/Hypermedia
T.Sharon-A.Frank

14. Film: fixed order of frames defines a single playback sequence.
Linearity
Film: fixed order of frames defines a single playback sequence.
Book: physical arrangement of text and pages implies a linear reading order.
T.Sharon-A.Frank

15. Non-Linearity
Hypermedia: links between pages permit multiple arbitrary reading orders.
Flash: jumps between frames, controlled by interactivity, permits branching and loops.
T.Sharon-A.Frank

16. Hypertext Hypertext is non linear text. It reflects the way
we think and write
---- definitions
models
Node
Link
Thinking Models
Writing Models
T.Sharon-A.Frank

17. Hypertext on the WWW – HTML
T.Sharon-A.Frank

18. Hypermedia Example
T.Sharon-A.Frank

19. Hypermedia
Multimedia
Hypermedia
Hypertext
T.Sharon-A.Frank

20. So what was the message?!
T.Sharon-A.Frank

21. Communication History
Wheel B.C
Paper 105 AD
Printing Press 1450s
Fax 1843
Telephone
1876
Automobile ~1900
Radio 1901
Television 1927
Powered Flight 1903
Computer 1945
The Internet 1973
T.Sharon-A.Frank

22. Boundaries Between: Computing, Communications and Entertainment
T.Sharon-A.Frank

23. Multimedia Technology Fueling Convergence of Domains
T.Sharon-A.Frank

24. Multimedia in Communication Terms

25. So what’s behind the picture?!
T.Sharon-A.Frank