1 lecture 1 introduction to multimedia. 2 objective definitions of multimedia what is 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 ….