Introduction to Multimedia Technology- Computers, communications and entertainment. Framework for multimedia systems; Multimedia devices; presentation devices and the user interface, Multimedia presentation and authoring. Digital representation of sound and transmission; Brief survey of speech recognition and generation; Digital video and image compression; JPEG image compression standard. MPEG motion video compression; DVI technology; Time-based media representation and delivery. Multimedia software environments; Limitations of workstation operating systems; Multimedia system. OS support for continuous media application; Media stream protocol; Multimedia file systems and information representation; Data models for Multimedia and Hypermedia information. Application of Multimedia intelligent Multimedia System. Desktop VR; reality OS; Distributed virtual environment system; Virtual environment displays and orientation tracking; Visually coupled system requirements; Intelligent VR software systems. Application of environments in various fields, such as medical, entertainment manufacturing, business, education.