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1 LECTURE 1 INTRODUCTION TO MULTIMEDIA. 2 Objective Definitions of multimedia What is multimedia? ...

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1 LECTURE 1 LECTURE 1 INTRODUCTION TO MULTIMEDIA INTRODUCTION TO MULTIMEDIA
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Page 1: 1 LECTURE 1 INTRODUCTION TO MULTIMEDIA. 2 Objective  Definitions of multimedia  What is multimedia?  Multimedia Types  Applications for Multimedia.

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LECTURE 1LECTURE 1

INTRODUCTION TO MULTIMEDIAINTRODUCTION TO MULTIMEDIA

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Objective

Definitions of multimediaDefinitions of multimedia

What is multimedia?What is multimedia?

Multimedia TypesMultimedia Types

Applications for MultimediaApplications for Multimedia

Developing Multimedia ProjectDeveloping Multimedia Project

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What Is Multimedia ?What Is Multimedia ?

Multi Multi refer to many or multiple

Media Media Vehicle or agent to convey for something Example: air for sound, writing for words Computer is a medium for ideas and information

- Express and communicate these ideas

- Store and manipulate information in many different forms

MultimediaMultimediaMultiMultiMultiMulti MediaMediaMediaMedia

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What Is Multimedia ?

MultimediaMultimedia Presentation of a computer application (usually interactive) Incorporating media elements such as text, graphics, video,

animation and sound on a computer.

Multimedia SystemsMultimedia Systems encompass the computer and software systems that are used in

multimedia environments Interactive control

Distributed multimedia systemsDistributed multimedia systems operate over some form of network infrastructure

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The big picture

ImagImagee

TextText

SpeecSpeechh

AudiAudioo

VideVideoo

MultimediaMultimedia

Virtual worldsVirtual worldsStreaming videoStreaming video

Web pagesWeb pagesStreaming audioStreaming audio Client-serverClient-server

MultimediaMultimediaSystemsSystems

AuthoringAuthoring

Media asset Media asset managementmanagement

ToolsTools

FrameworksFrameworks

NetworkNetwork

DistributedDistributedMultimediaMultimediaSystemsSystems

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Multimedia Computer System Characteristics

Ability to convert any information in analog form e.g voice, music, video to digital form.

It can control the Multimedia System and can be programmed by the programmer

Interactive

Random access (MM data)

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4 Characteristics Multimedia Product

Information present on a computer. Without this feature Polymedia or Mixed Media

Links. Without this feature Book

Navigation tools (icon, button, hot spot)

Interactive presentation. Without this feature TV

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A brief history of multimedia

1970’s- Pong, Atari Apple, IBM and the PC revolution

1980’s- GUI’s and the mouse and other technologies

1990’s Multimedia Explosion- WWW- CD-I- Interactive books

Future directions - Technology convergence, education and entertainment, other

appliances

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A brief history of multimedia

1970-an

1980

1990

Future

8 bit processor

CD-ROM, Local and Wide Area Networking16 bit processorsDesktop Computer

32 bit

World Wide Web

Digital Audio and Video

Graphical Operating Systems

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Modern multimedia PCs

3D graphics cards with 64 MB of graphics memory

64 note sound cards with wavetable synthesis

256 MB of main memory

60+ GB hard disk space

50+ speed CD readers

56 Kb/s modem or ISDN connection

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Multimedia Types

The main multimedia data types we will meet on this course are:

- Images, video, audio, text, and animation

We will also discuss how we capture this data...

- capture = get it into the computer ...and render this data

- render = display or play the information

We will also find out about the hardware devices that are used to capture and render the data

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Multimedia Applications

Multimedia applications can be linear or interactive

Linear multimedia plays from some start position to some end position with little or no intervention

- Just like this lecture

Interactive multimedia allows the viewer to jump around the material by interacting with it

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Content(Media)

Applications (Software)

Platforms(Hardware)

Networking

Level 1Level 1

Level 2Level 2

Level 3Level 3

Level 4Level 4

Multimedia Industry Structure

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Level 1Level 1 - Consists of MM content providers, for example the news industry,

the television industry and the entertainment industry.

Level 2Level 2- Consists of multimedia application developers.- Applications include distance learning, desktop videoconferencing,

multimedia kiosks, entertainment and imaging.

Level 3 Level 3 - Consists of MM platform builders.- These builders include Silicon Graphics, Sun, Intel, Apple, and

other hardware vendors.

Multimedia Industry Structure

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  Level 4Level 4  - The network infrastructure.  - There are two very different networking environments that will use

  MM applications:   - business networks and   - the emerging public networks.

Multimedia Industry Structure

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Corporate FunctionsCorporate Functions MM ApplicationsMM Applications 

Communications

- Corporate Broadcasting- Executive Info. Systems- Multimedia Conferencing- Employee Info. Systems

Training - Corporate Training- Sales Training- Just-in-Time Training- Distant Training

Multimedia Applications Types

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Corporate FunctionsCorporate Functions MM ApplicationsMM Applications 

Marketing

- Design of TV Commercials- Interactive Advertising- Product Information Kiosks- Promotional Presentations- Customer Services- Virtual Reality Simulations

- Product Catalogs- Portable MM Presentations- Merchandising Kiosks

Sales

Multimedia Applications Types

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  Corporate Functions MM Applications

Product Development

- Reference Systems- Simulations- Product Visualizations- Design Advisors

- Diagnostics- Equipment Maintenance- Testing Procedures

Manufacturing

Corporate FunctionsCorporate Functions MM ApplicationsMM Applications

Multimedia Applications Types

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  Corporate Functions MM Applications

Administration

- Multimedia File-Sharing- Multimedia Databases- Document Imaging- Productivity Systems- Decision Support Systems

Corporate FunctionsCorporate Functions MM ApplicationsMM Applications

Multimedia Applications Types

Home- Home Networking- Home Shopping- Home Banking

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  Corporate Functions MM Applications

Interactive Entertainment

- Digital TV and Video on Demand (VoD)- Videophones- Video conferencing - Online interactive transaction services. e.g. booking shows or flights- Video games

Corporate FunctionsCorporate Functions MM ApplicationsMM Applications

Multimedia Applications Types

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Why Apply Multimedia Technology

Ease of use Intuitive Interface Immersive Experience Self-Paced Interaction and Better Retention Better Understanding of the Content Cost Effectiveness More Fun = Greater Efficiency

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Multimedia Development

ProcessProcess

Capture from device

Read from a file

Receive over the network

Apply effect filters and transforms

Compress or decompress

Convert between formats

Present

Save to a file

Send across the network

InputInput OutputOutput

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Summary

Today we have learned about the various aspects of multimedia:

- multimedia data

- multimedia applications

- multimedia development

Multimedia places more demands on the developer and hardware

Multimedia aims to enhance the user’s experience

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Next lecture...

We will look at how Text and Fonts can be used in multimedia applications.

The topic for …Chapter 2: Basic Multimedia TechnologyChapter 3: Multimedia productsChapter 4: Applications and Multimedia Role in MSC ProjectChapter 5: Hardware Components for Multimedia System

…. The lectures is not given. Please read ….


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