Objectives

    ITMA Lecture 05                                                    Understand the value and use of digita...
Digital Music Distribution                                          Digital Music Production
                             ...
Presenting Information                                           Vector Graphics Software
   Web designers
              ...
Computer Animation                                               Computer Animation (Continued)
   Digital graphics anima...
Creative Imaging Example – Singapore Telecom Engineering’s magazine ad.




                                              ...
Commercial Applications of
Interactive Multimedia
   Interactive multimedia
       Plays a large role in Web-based e-com...
Interactive TV
                                                                  Digital television service that includes...
Latest Digital Media Centers…                                    What’s New in Multimedia?

                              ...
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ITMA10 Multimedia Applications

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ITMA10 Multimedia Applications

  1. 1. Objectives ITMA Lecture 05  Understand the value and use of digital audio in a variety of career areas and in your life Multimedia Application  Describe the many uses of 2-D and 3-D digital graphics and imaging media  Discuss how interactive media is used to educate and entertain K Ng Fall 2008 2 The Value of Digital Audio  Digital audio  Encompasses digital music and digital sound  Digital music  Any music that is stored digitally, regardless of how it was originally created  Digital sound  The spoken word  Other nonmusic sounds and sound effects that are stored and manipulated digitally 3 4 Digital Music Production  Synthesizer  Produces sounds designed to be similar to real instruments  Produces new sounds unlike any that a traditional instrument could produce  Sampler  Digitally records real musical instrument sounds 5 6 1
  2. 2. Digital Music Distribution Digital Music Production (Continued)  Digital music  Burned to CD using a special music format for CD  Electronic drum machines audio  Allow the musician to record drum beat patterns  MP3 file format  Sequencer  Compresses music files to less than 10 percent of  Allows musicians to create multitrack recordings their original size  The musical instrument digital interface (MIDI)  Sound compression protocol  Implemented in 1983  Removes frequencies that are beyond the range of human hearing  Provides a standard language for digital music devices to use 7 8 Digital Music Distribution Channels  Business-to-business (B2B) distribution  Commonly conducted between music studios and their customers  Business-to-consumer (B2C) distribution  Occurs through retailers selling CDs and online services  MP3 music file format  Provides computer users with music files that are small and easy to share 9 10 The Value of Digital Graphics  Digital art  Uses computer software as paintbrush and the computer display as the canvas  Digital graphics  Used as a form of creative expression  Used as a means of visually presenting information  Photographers and videographers  Use digital graphics software to edit digital images 11 12 2
  3. 3. Presenting Information Vector Graphics Software  Web designers  Provides tools to  Specialists in creating attractive Web page designs  Use graphics software to design buttons,  Create, arrange, and layer graphical objects on the backgrounds screen to create pictures  Desktop publishing software  Vector graphics  Design page layouts for magazines, newspapers,  Uses an object-oriented approach books  The primary benefit of the object-oriented approach  Digital video  Objects in the picture can be manipulated  Being increasingly used to present news and independently information over the Web 13 14 3-D Modeling Software  Provides graphics tools that allow artists to  Create pictures of 3-D, realistic models  3-D modeling  Often referred to as ray-tracing  Rendering  The process of calculating light interaction with the virtual 3-D models in the scene  3-D graphics  Act as a foundation for other technologies 15 16 17 18 3
  4. 4. Computer Animation Computer Animation (Continued)  Digital graphics animation  Displaying digital images in rapid succession  3-D computer animation  Animated GIFs  Much more complex than 2-D computer animation  Allow the artist to draw several images  The complexity of 3-D graphic rendering, multiplied  When played in succession, they create the illusion by the necessity to render 24 3-D images per of motion second  Images are stored in one GIF file  Flash  3-D computer animation software  Provides a timeline tool used to cue movement in  Able to move animated characters according to the animation direction of the artist 19 20 Photo-editing Software  Includes special tools and effects  Designed for improving or manipulating bitmapped photograph images  Practical tools  Altering the hue and saturation of colors in the photograph  Smoothing surfaces or removing flaws in surfaces  Removing “red eye”  Smoothing edges or bringing out of focus shots into focus 21 22 Creative Imaging Example – Gametap.com’s magazine ad. 23 24 4
  5. 5. Creative Imaging Example – Singapore Telecom Engineering’s magazine ad. 25 26 Digital Video Editing Interactive Media  Video-editing software  Multimedia presentations that involve  Allows editing of bad footage  User interaction for education, training, or  Rearranges good footage to produce professional- entertainment quality video production  Storyline allows the videographer to  Combines both digital audio and digital video media  Arrange video scenes sequentially  Specify the transition effects between each scene  Video games  Forensic graphics  Make up a large portion of the interactive media  Used to create animations and demonstrative market exhibits 27 28 Education and Training  Authorware  Used to produce interactive multimedia educational tutorials  Interactive multimedia is being used in  The traditional classroom setting  Distance learning  Museums  Skills-training 29 30 5
  6. 6. Commercial Applications of Interactive Multimedia  Interactive multimedia  Plays a large role in Web-based e-commerce  The technology that underlies 3-D product viewing  Used to provide product support and customer training  Playing a large role in attracting customers to Web sites Demo link: http://www.juniper.net/products/models/srx5800/index.html 31 32 Interactive Multimedia Entertainment Interactive Multimedia Entertainment (Continued)  Video games  Employ nearly every aspect of digital media  Game designers  Gaming consoles on the market today  Develop the game’s theme, storyline, rules, characters, and environment  The Nintendo GameCube  Game artists  The Sony Playstation 2 (PS2)  Use 2-D or 3-D graphics tools to develop game  The Microsoft Xbox characters and backgrounds  Video game consoles  Game sound designers  Highpowered multiprocessor computers designed to  Provide background music, voices, and sound support 3-D interactive multimedia effects 33 34 Interactive Multimedia Entertainment (Continued)  Game Programmers  Take all pieces and encode them into game software  Game testers  Check the final product for bugs and glitches  Provide feedback 35 36 6
  7. 7. Interactive TV  Digital television service that includes one or more of the following:  Video on demand  Personal video recorder  Local information on TV  Purchase over TV  Internet access over TV  Video games over TV 37 38 Interactive TV (Continued)  Video On Demand (VoD)  Customers can select from hundreds of movies to watch at anytime  Personal Video Recorders (PVR)  Provide large hard drive storage to record movies and programs  Local Information on TV  Provides local community news and information  Internet Access over TV  Viewers can navigate the Web on their television sets 39 40 What’s New in Multimedia? What’s New in Multimedia?  2004—The Year of the iPod  In 2004, more than 10 million people purchased digital music players.  2005—The Year of the Portable Media Center?  Samsung and Creative released portable media players which store and play music and video using Microsoft Windows Portable Media Center software 41 42 7
  8. 8. Latest Digital Media Centers… What’s New in Multimedia?  Cell phone media  Smart phones  High-memory cell phones  iTunes on cell phones  Television on a cell phone?  Handheld gaming gets serious  The PlayStation Portable from Sony  High-quality 3-D graphics in a handheld design  HDTV 43 44 Summary Summary (Continued)  Digital audio  Includes both digital music and digital sound  Digital graphics  Sound production  Media applications  Important part of music, movies, radio, television,  Used as a form of creative expression video games, and the Internet  Digital technology  Photo-editing software  Applied to all aspects of the music industry  Editing tools for manipulating digital photographs  The MIDI (Musical Instrument Digital Interface)  Interactive media  Implemented in 1983  Provides a standard language for digital music  Multimedia presentations devices 45 46 8

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