1 Part A Multimedia Production Chapter 1 Multimedia Applications What is Multimedia Information and Communication Technology “Multimedia Production and Web Site Development”

Ch 1.1 What is Multimedia 2 What is Multimedia? Introduction of Multimedia Systems # Trends in Multimedia # # Not included in the C&A Guide

Ch 1.1 What is Multimedia 3 Able to describe and appreciate the applications of multimedia. Understand the characteristics of a multimedia system # Appreciate the trends of multimedia technologies # # Not included in the C&A Guide

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5 Table of Contents 1.What is Multimedia? 2.Introduction in Multimedia Systems 3.Trends in Multimedia

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7 1. What is Multimedia Definition Multimedia can have many definitions these include: Multimedia means that computer information can be represented through text, graphics, audios, videos, and animations A good general definition is: Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (Video), animation, audio, and any other media where every type of information can be represented, stored, transmitted and processed digitally. A Multimedia Application is an application which uses a collection of multiple media sources e.g. text, graphics, images, sound/audio, animation and/or video. Click the button above to view the animation “What is Multimedia”

Ch 1.1 What is Multimedia 8 1. What is Multimedia Multimedia uses and application examples: Video conferencing Multimedia kiosk in shopping mall LED display panel in bus stops Web-based learning systems

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10 Introduction of 2. Introduction of Multimedia Systems Definition : A computer platform, communications network or software tool that supports the interactive use of at least one of the following types of information - audio, still image, motion video, text and graphics.

Ch 1.1 What is Multimedia 11 Introduction of 2. Introduction of Multimedia Systems History of Multimedia Systems : 1945 – Bush wrote about Memex 1967 – Negroponte formed the Architecture Machine Group at MIT 1969 – Nelson & Van Dam hypertext editor at Brown Birth of The Internet 1971 – – Architecture Machine Group proposal to DARPA: Multiple Media 1980 – Lippman & Mohl: Aspen Movie Map

Ch 1.1 What is Multimedia 12 Introduction of 2. Introduction of Multimedia Systems History of Multimedia Systems : 1983 – Backer: Electronic Book 1985 – Negroponte, Wiesner: opened MIT Media Lab 1989 – Tim Berners-Lee proposed the World Wide Web to CERN (European Council for Nuclear Research) 1990 – K. Hooper Woosey, Apple Multimedia Lab, 100 people, educ – Apple Multimedia Lab: Visual Almanac, Classroom MM Kiosk 1992 – the first M-bone audio multicast on the Net

Ch 1.1 What is Multimedia 13 Introduction of 2. Introduction of Multimedia Systems History of Multimedia Systems : 1993 – U. Illinois National Center for Supercomputing Applications: NCSA Mosaic 1994 – Jim Clark and Marc Andreesen: Netscape 1995 – JAVA for platform-independent application development. Duke is the first applet 1996 – Microsoft, Internet Explorer

Ch 1.1 What is Multimedia 14 Introduction of 2. Introduction of Multimedia Systems Characteristics of Multimedia Systems : A Multimedia system has four basic characteristics: Multimedia systems must be controlled by computer. Multimedia systems are integrated. The information must be presented digitally. Interactive elements usually present in the interface of the final presentation.

Ch 1.1 What is Multimedia 15 Introduction of 2. Introduction of Multimedia Systems Challenges for multimedia systems : Sequencing within the media -- playing frames in correct order/time frame in video Synchronization -- inter-media scheduling (e.g. Video and Audio in Lip synchronization) Digitization -- translated from analog source to digital representation Data Compression – data storage, transfer (bandwidth) and processing overheads are high

Ch 1.1 What is Multimedia 16 Introduction of 2. Introduction of Multimedia Systems Components of a multimedia system: Capture devices -- Video Camera, Video Recorder, Audio Microphone, Keyboards, mice, graphics tablets, 3D input devices, tactile sensors, VR devices. Digitizing/Sampling Hardware

Ch 1.1 What is Multimedia 17 Introduction of 2. Introduction of Multimedia Systems Components of a multimedia system: Storage Devices -- Hard disks, CD-ROMs, Jaz/Zip drives, DVD, etc Communication Networks -- Ethernet, Token Ring, FDDI, ATM, Intranets, Internets

Ch 1.1 What is Multimedia 18 Introduction of 2. Introduction of Multimedia Systems Components of a multimedia system: Computer Systems -- Multimedia Desktop machines, Workstations, MPEG/VIDEO/DSP Hardware Output Devices A High Resolution Colour Monitor CD Quality Audio Output Colour Printer Video Output to save Multimedia presentations to (Analog) Video Tape, CD-ROM DVD. Audio Recorder (DAT, DVD, CD-ROM, (Analog) Cassette) Storage Medium (Hard Disk, Removable Drives, CD-ROM )

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Ch 1.1 What is Multimedia Trends in Multimedia Media Trends World Wide Web -- Hypermedia systems -- embrace nearly all multimedia technologies and application areas. Ever increasing popularity. MBone -- Multicast Backbone: Equivalent of conventional TV and Radio on the Internet.

Ch 1.1 What is Multimedia Trends in Multimedia Technological Trends Mobile Multimedia Computing Real-time Multimedia Computing Ubiquitous Multimedia Computing Enabling Technologies -- networking, coding/compression, storage, output interfaces

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Ch 1.1 What is Multimedia 23 References Dave Marshall, Introduction to Multimedia ECTION ECTION Multimedia: Trends and Prospects Technological Multimedia Products: Multimedia Refrigerator Mobile TV Phone, Multimedia Phone trends-in-multimedia.html trends-in-multimedia.html