Video conferencing system and its applications

Author: Zhang Jiangshan
Publisher:
Publish Date: 2002-01-01
Features: Video conferencing systems, through various communication networks and related multimedia devices, not only enable the mutual transmission of audio and video information to achieve real-time and dynamic communication, but also provide functions such as shared whiteboards and software sharing. The purpose of video conferencing systems is to provide multiple users in different regions with a good discussion environment, allowing people to stay at home and interact with friends and clients far away. Video conferencing systems have broad application prospects. In addition to being used for business meetings, they can also benefit business exchanges, enterprise customer service and product development, remote teaching and technical training, market research and intelligence collection, remote medical care and consultations, scientific research collaboration and engineering technology, cross-border corporate communication, and employee recruitment. In short, regardless of the occasion or purpose of application, the ultimate and direct benefit of video conferencing systems is to save costs and improve efficiency. The book is divided into 7 chapters. Chapter 1 introduces the types, current status, key technologies, and development directions of video conferencing systems; Chapter 2 introduces the network switching technologies related to the center of video conferencing systems; Chapter 3 covers the basic concepts of digital video and audio; Chapter 4 introduces data compression technology, including audio and video compression principles and related international standards; Chapter 5 introduces the structure of video conferencing systems, including system structure, terminal structure, and networking structure; Chapter 6 introduces the relevant international standards of video conferencing systems; and Chapter 7 introduces typical video conferencing systems, with detailed elaboration on the use of Microsoft's NetMeeting desktop video conferencing system.