|
Free ebooks
 More computer ebooks Cisco Voice and Video Conferencing Fundamentals - Cisco Press
|
 Chapter 1, “Overview of Conferencing Services”—This chapter reviews the elementary concepts of conferencing, describing the various types of conferences and the features found in each. It also provides an overview of endpoint types and their characteristics.Chapter 2, “Conferencing System Design and Architecture”—This chapter reviews conferencing system design and the underlying components used in their construction. Chapter 3, “Fundamentals of Video Compression”—This chapter discusses the basics of video compression algorithms used by four major codecs: H.261, H.263, H.264, and MPEG-4 part 2. This chapter also includes a discussion of scalable video codecs. Chapter 4, “Media Control and Transport”—This chapter discusses the basics of Real-Time Transport Protocol (RTP) and Real-Time Transport Control Protocol (RTCP) and their usage in conferencing systems. This chapter also includes a discussion of RTP packetization formats for video codecs and different types of conferencing devices. Chapter 5, “Signaling Protocols: Conferencing Using SIP”—This chapter discusses the fundamentals of Session Initiation Protocol (SIP) and its relevance to audio and video conferencing. The session description formats for the video codecs are covered in detail with examples. Chapter 6, “Signaling Protocols: Conferencing Using H.323”—This chapter provides a brief overview of the H.323 protocol, with an emphasis on conferencing systems. It also describes the mechanisms for creating and managing media connections. Chapter 7, “Lip Synchronization in Video Conferencing”—This chapter analyzes the endto-end data pipeline of a video conferencing system and discusses the process of achieving lip synchronization in an RTP-based video conferencing product. Chapter 8, “Security Design in Conferencing”—This chapter goes into depth on many aspects of video conferencing security, including encryption, authentication, attack prevention, firewall traversal, and network-level hardening. Appendix A, “Video Codec Standards”—This appendix explains the detailed operation of four major codecs: H.261, H.263, H.264, and MPEG-4 part 2. Download free ebook for multimedia: Voice and Video Conferencing Fundamentals
|
