Dr.M.Kavitha Assistant Professor Department of Commerce Guru Nanak College,chennai-42

Multimedia is content that uses a combination of different content forms such as text, audio, images, animations, video and interactive content. The term multimedia was coined by singer and artist Bob Goldstein in 1966. Multimedia can be used in various fields such as education, marketing, professional, entertainment industries.  Multimedia presentations may be viewed by person on stage, projected, transmitted, or played locally with a media player. A broadcast may be a live or recorded multimedia presentation. Broadcasts and recordings can be either analog or digital electronic media technology. Digital online multimedia may be downloaded or streamed  Multimedia games and simulations may be used in a physical environment with special effects, with multiple users in an online network, or locally with an offline computer, game system, or simulator  Part of then internal and web is that there are lots of different media out there to explorer.  Well the most basic medium is text. The next most common medium is various forms of picture. Beyond that media available on internet include sound, movie clip, animation and even more elaborate formats containing.  There are dozens of media format available but there are only a few that stand tell among a little guys struggling for the piece of the pie. At the top of heap Is real networks with there real system soft were that is very soul of expressive conversation, combining wide, adios and animation and doing so with aplomb all the wile closed behind is Microsoft media player. TEXT GRAPHICS

ANIMATION VIDEO

AUDIO 1)Text: Text is the most common medium of representing the information. In multimedia, text is mostly use for titles, headlines,menu etc. The most commonly used software for viewing text files are Microsoft Word, Notepad, Word pad etc. Mostly the text files are formatted with ,DOC, TXT etc extension. 2)Audio: In multimedia audio means related with recording, playing etc. Audio is an important components of multimedia because this component increase the understandability and improves the clarity of the concept. audio includes speech, music etc. The commonly used software for playing audio files are: QuickTime is an extensible multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. First made in 1991, the latest Mac version, QuickTime X, is currently available on Mac OS X Snow Leopard and newer. Apple ceased support for the Windows version of QuickTime in 2016, and ceased support for QuickTime 7 on macOS in 2018 RealPlayer, formerly RealAudio Player, RealOne Player and RealPlayer G2, is a cross-platform media player app, developed by RealNetworks. The media player is compatible with numerous container file formats of the multimedia realm, including MP3, MP4, QuickTime File Format, Windows Media format, and the proprietary RealAudio and RealVideo formats.[7]RealPla yer is also available for other operating systems, Linux, Unix, Palm OS, Windows Mobile, and Symbian versions have been released. Windows Media Player (WMP) is a deprecated media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as on Pocket PC and Windows Mobile- based devices. Editions of Windows Media Player were also released for classic Mac OS, Mac OS X and Solaris but development of these has since been discontinued. 3)Graphics: Every multimedia presentation is based on graphics. The used of graphics in multimedia makes the concept more effective and presentable. The commonly used software for viewing graphics are windows Picture, Internet Explorer etc. The commonly used graphics editing software is Adobe Photoshop through which graphics can be edited easily and can be make effective and attractive 4)Video: Video means moving pictures with sound. It is the best way to communicate with each other. In multimedia it is used to makes the information more presentable and it saves a large amount of time. The commonly used software for viewing videos are: i) Quick Time ii) Window Media Player iii) Real Player 5)Animation: In computer animation is used to make changes to the images so that the sequence of the images appears to be moving pictures. An animated sequence shows a number of frames per second to produce an effect of motion in the user's eye. Some of the commonly used software for viewing animation are: i) Internet Explorer ii) Windows Pictures iii) Fax Viewer  Increased learning effectiveness.  Gains and holds attention.  More appealing.  Reduces training cost.  Easy to use.  Give information cost.  Provides high quality of presentations.  Multi-sensorial.  Production of multimedia is more expensive than others because it is made up of more than one medium.  Production of multimedia requires an electronic device, which may be relatively expensive.  Multimedia requires electricity to run, which adds to the cost of its use.  Too unrealistic. Large files such as video and audio effects, the time it takes to load your presentation. By adding too much may mean that you must use a larger computer storage files. If you want to upload to the Internet, there are several factors, such as bandwidth and the user’s ability to keep in mind. 1)Multimedia in Education: Multimedia is becoming popular in the field of education. It is commonly used to prepare study material for the students and also provide them proper understanding of different subjects.Nowadays Edutainment, a combination of Education and Entertainment has become very popular. This system provides learning as well as provides entertainment to the user. 2)Multimedia in Entertainment: Computer graphics techniques are now commonly use in making movies and games. this increase the growth of multimedia. i)Movies: Multimedia used in movies gives a special audio and video effect. Today multimedia has totally changed the art of making movies in the world. Difficult effect, action are only possible through multimedia. ii)Games: Multimedia used in games by using computer graphics, animation, videos have changed the gaming experience. Presently, games provides fast action, 3-D effects and high quality sound effects which is only possible through multimedia. 3)Multimedia in Business: Today multimedia is used in every aspect of business. These are some of the applications: i)Videoconferencing: This system enables to communicate using audio and video between two different locations through their computers. When the information is sent across the world, this technology provides cost benefits to the business which saves their time, energy and money. ii)Marketing and advertisement: Nowadays different advertisement and marketing ideas about any product on television and internet is possible with multimedia.