Addis Ababa University College of Natural and Computational Sciences Department of Computer Science MULTIMEDIA SYSTEM (Module Code: CoSc-M4152 & Course Code: CoSc4152) Prepared By: Samuel Getachew 2019/20AY Table of Contents Chapter One .................................................................................................................................. 5 Introduction to Multimedia Systems ........................................................................................ 5 1.1 Introduction ................................................................................................................... 5 1.2 Meaning of Multimedia ................................................................................................ 5 1.3 Categories of Multimedia ............................................................................................. 7 1.4 Feature of Multimedia .................................................................................................. 7 1.5 Applications of Multimedia ......................................................................................... 9 1.6 Stages of Multimedia Project ..................................................................................... 11 1.6.1 Pre-Production ..................................................................................................... 11 1.6.2 Production ............................................................................................................. 13 1.6.3 Post-Production .................................................................................................... 14 1.7 History of Multimedia Systems ................................................................................ 15 1.8 Hypermedia/Multimedia ........................................................................................... 16 1.9 Desirable Features for a Multimedia System .......................................................... 17 1.10 Challenges of Multimedia Systems .......................................................................... 18 1.11 Multimedia System Requirement ............................................................................. 18 1.12 Multimedia Authoring Tools ..................................................................................... 20 Chapter Two ............................................................................................................................... 28 Text ............................................................................................................................................... 28 2.1 What is Text? ................................................................................................................ 28 2.2 Text in Multimedia ...................................................................................................... 28 2.3 Character set and Alphabets ...................................................................................... 29 2.4 About Fonts and Faces ............................................................................................... 35 2.5 Font Editing and Design Tools .................................................................................. 36 2.6 Using Text in Multimedia .......................................................................................... 36 2.6.1 Using Text Elements in a Multimedia Presentation ....................................... 37 2.6.2 Use of Text in Webs ............................................................................................. 40 2.6.3 Text in Films such as Titles and Credits ........................................................... 41 2.6.4 Text in Subtitles in a Film or Documentary............................................................ 42 2 2.6.5 Text in Advertisements ........................................................................................... 43 2.7 Font Editing and Design Tools .................................................................................. 45 2.7.1 ResEdit .................................................................................................................... 45 2.7.2 Fontographer .......................................................................................................... 45 2.7.3 Type-Designer......................................................................................................... 46 2.7.4 Font Monger............................................................................................................ 46 2.7.5 Cool 3D Text........................................................................................................... 46 2.7.6 Font Chameleon ...................................................................................................... 46 2.7.7 Making Pretty Text ................................................................................................. 47 2.8 Hypermedia and Hypertext....................................................................................... 47 CHAPTER Three ........................................................................................................................ 49 Images .......................................................................................................................................... 49 3.1 Introduction ................................................................................................................. 49 3.2 Categories of Digital Graphics .................................................................................. 49 3.2.1 Bitmaps ................................................................................................................... 50 3.2.2 Vector Drawings ..................................................................................................... 61 3.2.3 Animated Graphics ................................................................................................. 63 3.3 Three Dimensional (3D) Drawing and Rendering ................................................. 64 3.4 Color in Image and Video .......................................................................................... 70 3.5 Image File Formats ...................................................................................................... 75 Macintosh Image Format ...................................................................................................... 78 Windows Imaging File Format (WIM) ................................................................................. 79 3.6 Data Compression ....................................................................................................... 80 3.7 Types of images ........................................................................................................... 96 Chapter Four ............................................................................................................................. 102 Video .......................................................................................................................................... 102 4.1 Introduction .................................................................................................................. 102 4.2 How Video Works? ....................................................................................................... 104 4.3 Video Broadcasting Standards/ TV standards ............................................................. 109 4.3.1 National Television System Committee (NTSC ) .......................................... 110 4.3.2 Phase Alternating Line (PAL ) ......................................................................... 111 4.3.3 Systeme Electronique Pour Couleur Avec Memoire (SECAM ) ................. 112 3 4.3.4 Advanced Television Systems Committee (ATSC ) ...................................... 114 4.3.5 Digital Television (DTV ) .................................................................................. 114 4.4 Digital Video ................................................................................................................ 119 4.5 Digital Video Standards—ATSC, ISDB, EDTV ........................................................... 123 4.5.1 Advanced Television Systems Committee (ATSC) ....................................... 123 4.5.2 Integrated Services Digital Broadcasting (ISDB ) .......................................... 123 4.5.3 Enhanced Definition Television Systems (EDTV ) ........................................ 124 4.6 Need For Compression................................................................................................. 126 4.7 Fundamental of Animation ........................................................................................... 132 4.7.1 Principles of Animation .................................................................................... 133 4.7.2 Animation Techniques ...................................................................................... 140 Chapter Five .............................................................................................................................. 149 Audio ......................................................................................................................................... 149 5.1 What is Sound? ............................................................................................................. 149 5.2 Multimedia System Sounds ..........................................................................................