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Internet Resources Discovery (IRD)

Multimedia -

Motivation & Definition

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“The Dumb Computer”

Mono-media until recently Text only

Human is very limited!

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“The Dumb Computer”

Lately enhanced by graphics– icons– windowing

Human still has to lower oneself!

New hardware-device from Microsoft

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Human Computer System - Schematic Structure

Grasp

Remember

DataProcessing

DecisionMaking

ActivateHandsLegs

Head...

SensesVision

HearingTouching

Displays

Controls

PerformControl

Commands

AutomaticActions

Human Computer

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Minsky’s Dumbbells

Soft systems

(People etc.)

Formalisms

Interfacedesign

User Psychology

Software tools

Task Analysis

Hardware tools

Hardware

Technology pushApplications pull

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Bridging the Semantic Gap

The Gap

PeopleComputers

The shaded area represents

an area of shared understanding

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Engineer the Product, not the Human

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Relationship of HCI with other Disciplines

Computer Systems

Applications

Computer Systems

Applications

SoftwareEngineering

SoftwareEngineering

HCIHCI

KnowledgeBased

Systems

KnowledgeBased

Systems

ErgonomicsErgonomics

CommunicationsCommunications

PsychologyPsychology

CognitiveScience

CognitiveScience

HCIHuman Computer Interaction

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Modern Multimedia (Computer)

1. Multiple Media/Technologies

2. Computerized/Digital

3. Integrated Computer Support

4. Human Control and Interaction

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Multiple Media

maps

audio

video

pictures

text

graphics

ABC

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Device Proliferation

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Multimedia Workstation

CD-ROM

VoiceRecognition

Unit

SpeechSynthesis

Unit

Video

Graphics

FrameGrabber

Audio

x

Communication

Fax

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Hypertext

Linear Text

Hypertext

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Hypertext - HTML

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Hypermedia

HypertextHypermediaMultimedia

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Communication History

Wheel 3200-3500

B.C

Paper105 AD

Printing Press1450s

Fax 1843

Telephone1876

Automobile~1900

Radio 1901

Powered Flight1903

Television1927

Computer1945

The Internet1973

http://www.cbc4kids.ca/general/the-lab/history-of-invention/default.html

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Waves of Computer Systems

• First wave (50-60’s)

Computers as data processing machines

• Second wave (Internet, 70-80’s)

Computers as communication machines• Third wave (starting in the mid 90’s)

Means to perceive and control the environment– multimedia system acting as the interface between

humans and the environment.

Industrial Multimedia Systems

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Boundaries Between: Computing, Communications and Entertainment

ComputingDevices

CommunicationDevices

ConsumerEntertainment

Devices

LANs & WANsPublic Switched

NetworkCATV &

Broadcast TV

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Multimedia Technology Fueling Convergence of Domains

Tele-computersComputer-based

Video conferencing

Video PhonesText-display

phoneInteractive TV

PortableComputers

TelephonesCellular phones

TelevisionsVCRs

ComputingDevices

CommunicationDevices

ConsumerEntertainment

Devices

LANs & WANsPublic Switched

NetworkCATV &

Broadcast TV

802.3, 802.5, x.25 POTS, ISDN Analog Coax

FDDI, ATM, 802.6 B-ISDN FTTC/FTTH