1 CP586 © Peter Lo 2003 Multimedia Communication Introduction to Multimedia and Development Tools

CP586 © Peter Lo Objective Definition of multimedia Brief history of multimedia The market of multimedia technology and applications

3 CP586 © Peter Lo 2003 Introduction to Multimedia Definition of multimedia

CP586 © Peter Lo Definition of multimedia Multimedia include Text Picture Sound Full-motion video Interactivity

CP586 © Peter Lo Terminology in multimedia Information Facts, ideas, beliefs and stories that when communicated, provide value to the receiver Domain A domain in the multimedia world is a relatively narrow or focused area of information or knowledge

CP586 © Peter Lo Terminology in multimedia Interactivity A stimulus-response behavior in which a computer program presents options that the user can select from that lead to further options Application A computer program that serves a specific purpose or use E.g. word processor, spreadsheet

CP586 © Peter Lo Terminology in multimedia Content Specific information for a multimedia product in the form of text, pictures, audio, and video Developers Managers, designers, programmers, graphics artists, and other skilled individuals who participate in the development of multimedia products

CP586 © Peter Lo Terminology in multimedia User (End user) Individuals or groups who use and/or apply multimedia products for work or play Authoring tools Software programs for developing and delivering multimedia products Including programs for text and graphics editing, audio and video capture and editing

CP586 © Peter Lo Terminology in multimedia Product A completed multimedia product that is distributed for use by end user Products are often sold to consumers via commercial outlets

CP586 © Peter Lo Advantages of Multimedia The benefits of multimedia include but are not limited to : Training : CBT, CAL. Sales : electronic commerce. Communications : Internet, video conferencing, transmission of digital images, telecommuting.

CP586 © Peter Lo Disadvantages of Multimedia Investment costs. Discuss authoring tools. Technical barriers. Social/psychological barriers. Legal problems eg copyright.

12 CP586 © Peter Lo 2003 Introduction to Multimedia Brief history of multimedia

CP586 © Peter Lo Brief history of multimedia Future… Late 1970s 8-bit processors CD-ROM LAN & WAN 16-bit processors Desktop Computers 32-bit processor World Wide Web Digital Audio and Video Graphical Operating Systems Word Processors, Spreadsheets And Graphics Software Timeline of technology behind the creation of multimedia computers

CP586 © Peter Lo Brief history of multimedia Purpose of computer varies as time goes by 1960s: Single-purpose machine that solve complex mathematical problems 1970s: Terminals throughout an organization being used for publishing and information management 1980s: Personal word processors, spreadsheet and even game

CP586 © Peter Lo Brief history of multimedia In the mid 1980s and into 1990s, advanced technology brought about: Faster desktop Increased working memory capacity in computers Higher data storage capacity in disk drivers and CD- ROMs Digital audio and video Local and wide area networks that connected users to the world

CP586 © Peter Lo Brief history of multimedia Applications of multimedia technology Wide variety of games and reference products such as encyclopedias and cookbooks Marketing presentations and training Interactive software programs assist students in learning Enquires system in shopping malls

17 CP586 © Peter Lo 2003 Introduction to Multimedia The market of multimedia technology and applications

CP586 © Peter Lo The market of multimedia technology and applications Multimedia technology and applications is a rapid growing market The sale of CD-ROM, which are used to deliver multimedia products The cost of state-of-art computer versus its performance

CP586 © Peter Lo The market of multimedia technology and applications The result of better performance of computer but the cost of a new computer has remained relatively constant More powerful computers for the same dollar amount More people buying computers More products being developed for computers Increased expectations for the kinds of things computers can do, especially in the area of multimedia products

CP586 © Peter Lo The market of multimedia technology and applications Delivering multimedia content depends on Storage space for content on the computer Creation of software programs that organize and present the content

CP586 © Peter Lo The market of multimedia technology and applications The reason for CD-ROM as the storage media for multimedia products Storage required for Text: About 500 to 1,000 bytes Picture: About 300k to 1M bytes Audio (1 minute): About 2.5M bytes Video (1 minute): About 10M bytes Storage of CD-ROM: About 650M bytes

CP586 © Peter Lo Multimedia Multimedia stand for any presentation that involves two or more media, such as text, graphic, or sound. In Interactive Multimedia, users can choose their own path through the presentation.

CP586 © Peter Lo Some popular graphics and multimedia software products Computer-Aided Design (CAD) Desktop Publishing (Professional) Paint/Image Editing (Professional) Video and Audio Editing Multimedia Authoring Web Page Authoring

CP586 © Peter Lo Desktop Publishing Software Enables you to design and produce sophisticated documents that contain text, graphics, and brilliant colors

CP586 © Peter Lo Paint/Image Editing Software Used to create and modify graphical images Sometimes called Illustration Software

CP586 © Peter Lo Video and Audio Editing Software Video editing software allows you to modify a segment of a video, called a clip Audio editing software allows you to modify audio clips

CP586 © Peter Lo Multimedia Authoring Software Allows you to combine text, graphics, audio, video, and animation into an interactive presentation

CP586 © Peter Lo Web page authoring software Allows you to create Web pages

CP586 © Peter Lo Reference Multimedia, Technology and Applications (Ch. 9)