Multimedia Introduction, MM Skills

7/31/2019 Multimedia Introduction, MM Skills

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Multimedia

Compression &Communication

EC2037

Preparedby

JhansiRani.R Assoct.Prof/ECE


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Unit I

Multimedia Components Introduction

Multimedia skills

Multimedia components and their characteristics

Text

Sound

Images

Graphics Animation

Video

Hardware


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What is Multimedia

The word Multimedia composed of two

parts:

Multi: more than 1 or Many

Media: medium of

communication


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Definition

Multimedia is the presentation of the

computer application incorporating media

elements such as Text, graphics, animation,audio and video

Or

Multimedia is anycombinationoftext,graphic, sound, animation and videothat is

delivered by computer.


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Classification of media types


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Captured Versus Synthesized Media

Captured mediarefers to information types

captured from the real world (e.g. Still pictures,

moving pictures, and sound).

Synthesized mediarefers to information types

synthesized by the computers (e.g. Text, graphics

and computer animation).


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Discrete Versus Continuous Media

Discrete mediarefers to media involving space

dimension only (e.g. Still images, text and

graphics). Discrete media is also referred to as

static media or non-time-based media or non-temporal media or space-based media.

Continuous (time based)media refers to time-based

media (e.g. Sound, moving images, and animation).

Continuous media is also referred toas dynamic

media or temporal media.


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Multi-sensory system

According to Dr. Albert Mehrabian, a specialist in

interpersonal communication at the University of

California, says:

Multimedia allows for seeing, hearing and doing

(multi-sensory system)


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Elements of Multimedia

TEXT

AUDIO

GRAPHIC

VIDEO

ANIMATION


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Text

This includes both unformatted

text, comprising strings of

characters from a limited

character set, andformatted textstrings as used for the structuring,

access, and presentation of

electronic documents.

Text is the most basic element of

multimedia.


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Images

These includes computer

generated images, comprising

lines, curves, and circles anddigitized images of documents

and pictures

Apple


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Audio

This includes both low-fidelity speech, as used in

telephony andhigh-fidelitystereophonic music as

used with compact discs

In multimedia, audio

could come in the form

ofspeech, sound effects

and alsomusicscore.


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Video

This includes short sequences of moving images

(video clips) and complete movies/films.

Is the technology ofcapturing, recording,

processing, transmitting, and reconstructingmovingpictures


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Animation

The illusion of motion created by the consecutive

display of images of static elements.

In multimedia, animation is used to further enhance

/ enriched the experience of the user to further

understand the information conveyed to them.


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Graphics

Two-dimensional figure or illustration

Could be produced manually (by drawing, painting,

carving, etc.) or by computer graphics technology.

Used in multimedia to show more clearly what a

particular information is all about (diagrams,

picture).

ex:


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Examples

Text ASCII Code, JIS Code, EUC

GraphicsBMP, PNG, GIF, TIFF,

JPEG(2D & 3D), Open GL, VRML

SoundMIDI, MP3, WMA, WAV

Video.RMD, MPEG,WMV,FLV

AnimationGIF Animation, Flash,3-D Animation,

Virtual Reality


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Importance of Multimedia

There are a number of fields wheremultimedia could be of use.Examples are:-

Business

Education

Entertainment

Home Public Places


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Business

Use and Applications

Sales / Marketing Presentation

Online shopping

Trade show production

Staff Training Application

Company Kiosk

Desktop video conferencing



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Education


Courseware / Simulations

Computer aided learning

Virtual campus

E-Learning / Distance Learning

Information Searching


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Entertainment


Games (Leisure /

Educational)

3-D Movies

Animated movies

Cyber sports

Video on Demand Online

news/movies


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Home


Television

Satellite TV

SMS services (chats, voting,

reality TV)


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Public Places


Information Kiosk

Public service Kiosk

Smart Cards, Security


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Multimedia Skills


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Overview

Members of a multimedia team.

Roles and responsibilities in a multimedia

team.


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Members of a Multimedia Team

A team of skilled individuals is required to create a

good multimedia project.

Team building refers to activities that help a group

and its members function at optimum levels.

The diverse range of skills required for a project iscalled the multimedia skill set.


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A multimedia team consists of the following:

Project manager.

Multimedia designer.

Interface designer.

Writer.

Video specialist.


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A multimedia team consists of the following

(continued):

Audio specialist.

Multimedia programmer.

Producer for the Web.

Computer programmers.


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Roles and Responsibilities in a

Multimedia Team

The project manager is responsible for:

The overall development, implementation, and day-

to-day operations of the project.

The design and management of a project. Understanding the strengths and limitations of

hardware and software.

Ensuring people skills and organizational skills.

Conveying information between the team and theclient.


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Multimedia Team

Multimedia designer - This team consists of:

Graphics designers, illustrators, animators, and

image processing specialists who deal with visuals,

thereby making the project appealing and aesthetic.

Instructional designers, who make sure that the

subject matter is presented clearly for the targetaudience.


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Multimedia Team

Multimedia designer (continued):

Interface designers, who devise the navigational

pathways and content maps.

Information designers, who structure content,

determine user pathways and feedback, and select

presentation media.


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Multimedia Team

An interface designer is responsible for:

Creating a software device that organizes content,

allows users to access or modify content, andpresents that content on the screen.

Building a user-friendly interface.


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Multimedia Team

Amultimedia writer is responsible for:

Creating characters, actions, point of view, and

interactivity.

Writing proposals and test screens.

Scripting voice-overs and actors' narrations.


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Multimedia Team

A video specialistneeds to understand:

The delivery of video files on CD, DVD, or the

Web.

How to shoot quality video.

How to transfer the video footage to a computer.

How to edit the footage down to a final product

using digital nonlinear editing system (NLE).


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Multimedia Team

Anaudio specialist is responsible for:

Locating and selecting suitable music talent.

Scheduling recording sessions.

Digitizing and editing recorded material into

computer files.


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Multimedia Team

Multimedia programmer, also called a software

engineer:

Integrates all the multimedia elements into a

seamless project, using authoring systems orprogramming language.

Writes codes for the display of multimedia

elements, and to control various peripheral devices. Manages timings, transitions, and record keeping.


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Multimedia Team

Multimedia producerfor the Web:

Web site producers put together a coordinated set

of pages for the Web.

They also co-ordinate updates and changes.


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Summary

The diverse skills required to create a multimedia

project is called the multimedia skill set.

Team building refers to activities that help a groupand its members function at optimum levels of

performance.

Roles and responsibilities are assigned to each team

member in a multimedia project.


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Documents

Multimedia Introduction, MM Skills