Multimedia Design Chapter 1

MMGD0203
Multimedia Design
Chapter 1
Introduction to Multimedia

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 Multimedia refers to the use of computers to
present text, graphics, video, animation, and sound in
an integrated way.
 Multimedia is used to convey information in an
interesting way.
Chapter 1: Introduction to Multimedia
Definition of Multimedia

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 The literal meaning of multimedia:
 Multi − it means more than one
 Medium − it is singular and it means intermediary or
mean
 Media − it is plural and it means conveying the
information

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Multimedia Developer
 The people who create multimedia projects.

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Multimedia Project
 Multimedia project comprises of a series of tasks that
deliver a combination of media and have a computer
component to integrate them.
 The skills needed to produce multimedia are diverse.

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Multimedia Title
 A multimedia project shipped or sold to consumers.

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Interactive Multimedia
 When the user is allowed to control what elements
are to be delivered and when they are to be
delivered.

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Multimedia can be used in various fields:
 Education
 Marketing
 Training
 Scientific Research
 Engineering
The Use of Multimedia

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 The Use of Multimedia
Computer-Based Training Teaching Aid

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References Entertainment

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Simulation Virtual Reality

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Virtual Surgery Information Kiosk

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 Creative skills
 Technology tools
 Organization and business talent
Multimedia Requirements

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 Enhancement of text only messages
 Improves over traditional audio-video presentations
 Gains and holds attention
 Good for “computer-phobics”
 Multimedia is entertaining as well as educational
Advantages of Multimedia

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 Expensive
 Not always easy to configure
 Requires special hardware
 Not always compatible
Disadvantages of Multimedia

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 Linear Presentation
 Non-Linear Presentation
Types of Multimedia Presentation

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 Linear Presentation is a type of a
multimedia that is designed to be
presented in a sequential manner.
 It has a distinct beginning and end. It
goes on a logical flow from a starting
point to a conclusion.
 Example: Slideshow presentation,
movie

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Advantages of Linear Presentation:
 Audience gets to focus and concentrate on a specific topic.
 There is logical order in the presentation/Organized
 Presenter controls the flow of the presentation
 Effective when we need our audience to absorb the
information well
Disadvantages of Linear Presentation:
 Minimal interactivity, or none at all
 Audience has no say on the topic they want to dwell into.

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 Non-linear Presentation is a non-
sequential type of multimedia where
the person’s participation is crucial.
 In this type of media, the person
needs to interact with a computer
program, thus making him in control
of the experience.
 Example: Website, Information Kiosk

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Advantages of Non-Linear Presentation:
 The person is in control and may use the multimedia
according to his preferences and needs.
Disadvantages of Non-Linear Presentation:
 Requires a level of computer literacy from the user
 May be unorganized if not used well.

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 Multimedia presentations can be live or recorded.
 A recorded presentation may allow interactivity via
a navigation system.
 A live multimedia presentation may allow
interactivity via interaction with the presenter or
performer.

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 A Multimedia System is a system capable of
processing multimedia data and applications.
Multimedia System

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 Its Central Processing Unit (CPU) is very fast, as it
needs to process large amount of data.
 It has huge storage capacity.
 It has huge memory power that helps in running
heavy data programs.
 It has high capacity graphic card that helps in
displaying graphics, animation, video, etc.
 The sound system makes it easy to listen to audio.
Features of Multimedia System

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 With all these features, a computer system is known
as high end multimedia computer system.
 However, all the features listed above are not
essentially required for every multimedia computer
system, but rather the features of a multimedia
computer system are configured as per the need of
respective user.
Features of Multimedia System

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A Multimedia System has four basic characteristics:
 Multimedia systems must be computer controlled.
 Multimedia systems are integrated.
 The information they handle must be represented digitally.
 The interface to the final presentation of media is usually
interactive.
Characteristics of a Multimedia System

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1. Computer Controlled
 Producing the content of the information – e.g. by using the
authoring tools, image editor, sound and video editor
 Storing the information – providing large and shared capacity for
multimedia information.
 Transmitting the information – through the network.
 Presenting the information to the end user – make direct use of
computer peripheral such as display device (monitor) or sound
generator (speaker).

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2. Integrated
 All multimedia components (audio, video, text, graphics)
used in the system must be somehow integrated.
 Every device, such as microphone and camera is connected
to and controlled by a single computer.
 A single type of digital storage is used for all media type.
 Video sequences are shown on computer screen instead of
TV monitor.

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3. Interactivity
 Level 1: Interactivity strictly on information delivery. Users
select the time at which the presentation starts, the order,
the speed and the form of the presentation itself.
 Level 2: Users can modify or enrich the content of the
information, and this modification is recorded.
 Level 3: Actual processing of users input and the computer
generate genuine result based on the users input.

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4. Digitally Represented
 Digitization: process involved in transforming an
analog signal to digital signal.

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 Capture devices / Input Devices
 Keyboard, scanner, video camera
 Storage Devices
 Hard disk, optical disc
 Communication Network
 Modem, network card, cables
 Computer System
 CPU, RAM, Display card
 Display Devices
 Monitor, Projector, Printer
Components of Multimedia System

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 Any computer application that contain or use
Multimedia elements.
 A multimedia application is more like a movie or a
book.
 Content must be created and produced.
 Usually interactive.
Multimedia Application

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Examples of Multimedia Application:
 World Wide Web
 Hypermedia courseware
 Computer-based Training (CBT)
 Interactive TV
 Computer Games
 Virtual reality
 Multimedia Database systems
Multimedia Application

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Multimedia can be delivered using
 Optical disk (CD-based)
 Over a distributed network (Web-based)
Delivering Multimedia

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 Optical Disks is the most cost-
effective method of delivery for
multimedia materials.
 These devices are used to store
large amounts of some
combination of text, graphics,
sound, and moving video.

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 Comparison Optical Media Storage Size
 Optical Disks
Media Storage
Compact Disc (CD) 650MB
Digital Versatile Disc (DVD) 4.7GB
Bluray Disc (BD) 27GB

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 Distributed Network is
suitable for web-based
content such as website
 Files need to be compress
before transfer

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Web-based CD-based
Limited in picture size and
low video resolution
Can store high end
Multimedia elements
Can be changes, damaged
or deleted by irresponsible
individuals
Can be permanently stored
and not changeable
Information can be
updated easily and cheaper
Information can be quickly
outdated

Multimedia Design Chapter 1

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Multimedia Design Chapter 1