Computer multimedia technology is the fastest developing and most active technology in the field of information technology, and it is also the focus of the development and competition of a new generation of electronic technology. Multimedia technology integrates many functions such as computer, sound, text, image, animation, video and communication. With the increasing popularity of high-speed information network, it can realize the global networking of computers and the sharing of information resources, so it is widely used in consulting services, books, education, communications, military affairs, finance, medical care and many other industries, and is subtly changing our life.

Computer multimedia technology includes:

(1) Text: a data file consisting of language characters and symbol characters.

(2) Image: a data file that describes the brightness and color of each pixel in the picture. Also known as a point bitmap or bitmap image.

(3) Graphics: the abbreviation of vector graphics. In other words, a data file composed of mathematical methods is generated. Generally speaking, graphics can be regarded as the abstraction of images.

(4) Animation: Static images, graphics and cartoons are displayed in a certain time sequence to form a continuous dynamic picture.

(5) Audio: sound signal, that is, the frequency corresponding to the range of human auditory perception.

(6) Video: visual signals, that is, dynamic information displayed on the computer screen, such as dynamic graphics, dynamic images, animations, etc. Multimedia technology refers to the use of computer technology to integrate various media in a digital way, so that computers can simultaneously acquire, process, edit, store and display multi-body information.