Media is divided into sensory media, representation media, performance media, storage media and transmission media.
1, sensory media
Sensory media refers to the media that can directly act on people's sense organs, thus enabling people to produce direct sensations. Such as text, data, sound, graphics, images and so on. In multimedia computer technology, what we call media generally refers to sensory media.
2. Representation media
Representation media refers to the transmission of sensory media and artificial research media, with the help of such media, can effectively store the sensory media or sensory media from one place to another place. Examples are language codes, telegraphic codes, bar codes, etc.
3, performance media
Performance media refers to the media used for communication between the electrical signals and sensory media to produce conversion. Such as input and output devices, including keyboards, mice, monitors, printers and so on.
4, storage media
Storage media refers to the media used to store the representation of media. Such as paper, tape, disk, CD-ROM and so on.
5, transmission media
Transmission media refers to the physical media used to transmit a certain media. Such as twisted pair, cable, fiber optics, etc..
Extended information:
In computer systems, multimedia refers to a human-computer interactive information exchange and dissemination medium that combines two or more media. The media used include text, pictures, photographs, sound? , animation, and film, as well as interactive features provided by programs.
Types and characteristics of multimedia information
(1) TextText is a form of information expressed in words and a variety of specialized symbols, and it is one of the most used ways of storing and transmitting information in real life. Using text to express information gives people full imagination, it is mainly used for the descriptive representation of knowledge, such as the elaboration of concepts, definitions, principles and problems as well as the display of titles, menus and other content.
(2) image image is one of the most important forms of information expression in multimedia software, it is the key factor in determining the visual effect of a multimedia software.
(3) animation animation is the use of human visual characteristics, rapid playback of a series of continuous movement changes in the graphic image, including the picture of the zoom, rotate, transform, fade and other special effects. Through the animation can put the abstract content visualization, make many difficult to understand the teaching content change vivid and interesting. Reasonable use of animation can achieve twice the result with half the effort.
(4) sound sound is one of the most convenient and familiar ways for people to convey information and communicate their feelings. In the multimedia courseware, according to its form of expression, the sound can be divided into three categories of explanation, music, effects.
(5) video images Video images have a chronological and rich information content, often used to explain the development of things. Video is very similar to the familiar movie and television, sound and color, in the multimedia plays an important role.
Multimedia applications have been used in industries such as advertising, art, education, entertainment, engineering, medicine, business and scientific research.
Using multimedia web pages, businesses can turn their advertisements into interactive forms with sound and pictures, which can be more appealing to users and provide more information about their products to prospective buyers at the same time, but the download time is too long, which is a major disadvantage of using multimedia to create advertisements.
The use of multimedia for teaching purposes not only increases the interactivity of the self-learning process, but also attracts students to learn, enhances their interest in learning, and utilizes visual, auditory, and tactile feedback to enhance students' absorption of knowledge.
Multimedia technology is a rapid development of comprehensive electronic information technology, it gives the traditional computer systems, audio and video equipment to bring directional changes, will have a profound impact on the mass media. Multimedia computers will accelerate the process of computer into the family and all aspects of society, to people's work, life and entertainment to bring a profound revolution.
Multimedia can also be used in digital libraries, digital museums and other fields In addition, traffic monitoring and other related monitoring can also use multimedia technology.
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