.1. Text - Text is the basic element of multimedia. It involves the use of text types, sizes, colors and background colors. In multimedia, text is mostly use for titles, headlines, menu, paragraph, list etc. In a multimedia application, other media or screen can be linked through the use of text. This is what you call Hypertext. The textual data for multimedia can be developed using any text editor. Text in multimedia systems can communicate specific information or serve as a supplement to the information provided by the other media 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. GraphicsNon-text information, such as a sketch, chart, or photograph, is represented digitally. Graphics add to the appeal of the multimedia application. In many circumstances, people dislike reading big amounts of material on computers. As a result, pictures are more frequently used than words to clarify concepts, offer background information, and so on. Graphics are at the heart of any multimedia presentation. The use of visuals in multimedia enhances the effectiveness and presentation of the concept. Windows Picture, Internet Explorer, and other similar programs are often used to see visuals. Adobe Photoshop is a popular graphics editing program that allows you to effortlessly change graphics and make them more effective and appealing. - . There are two types of Graphics: Bitmap images- Bitmap images are real images that can be captured from devices such as digital cameras or scanners. Generally bitmap images are not editable. Bitmap images require a large amount of memory. Vector Graphics- Vector graphics are drawn on the computer and only require a small amount of memory. These graphics are editable. VideoThe term video refers to the moving picture, accompanied by sound such as a picture in television. - Video element of multimedia application gives a lot of information in small duration of time. Digital video is useful in multimedia application for showing real life objects. - Video have highest performance demand on the computer memory and on the bandwidth if placed on the internet. - Digital video files can be stored like any other files in the computer and the quality of the video can still be maintained. The digital video files can be transferred within a computer network. The digital video clips can be edited easily. - Digital vedio appears in manu mm application particularly on the web. Comman digital video formats include Flash, MPEG, AVI,WMV, Quick Time. Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion. Photographic images that are played back at speeds of 15 to 30 frames a second and the provide the appearance of full motion. - Audio- A multimedia application may require the use of speech, music and sound effects. These are called audio or sound element of multimedia.Speech is also a perfect way for teaching. Audio are of analog and digital types. Analog audio or sound refers to the original sound signal. Computer stores the sound in digital form. Therefore, the sound used in multimedia application is digital audio. Any sound, whether it’s music, conversation, or something else. Sound is the most serious aspect of multimedia, delivering the joy of music, special effects, and other forms of entertainment. Decibels are a unit of measurement for volume and sound pressure level. Audio files are used as part of the application context as well as to enhance interaction. Audio files must occasionally be distributed using plug-in media players when they appear within online applications and webpages. MP3, WMA, Wave, MIDI, and RealAudio are examples of audio formats. The following programs are widely used to view videos: Real Player, Window Media Player, etc. Audio is an important components of multimedia because this component increase the understandability and improves the clarity of the concept. Animation- Animation is a process of making a static image look like it is moving. An animation is just a continuous series of still images that are displayed in a sequence. The animation can be used effectively for attracting attention. Animation also makes a presentation light and attractive. Animation is very popular in multimedia application Entertainment multimedia titles in general, and children’s titles specifically, rely heavily on animation. The following are some of the most regularly used animation viewing programs: Fax Viewer, Internet Explorer, etc.
