Video and Media Servers: Technology and Applications
The switch in the direction of digital television broadcasting, the acceptance of compressed digital video and storage, video-on-demand, pay-per-view delivery, and multichannel satellite are all elements in this universal shift toward servers for storage and forward delivery of video media.
The book discusses both operational and technical issues related to disk-based, digital recording and the implementation of video server and media server based technologies for broadcast and non-broadcast applications. It also includes developmental and technical discussions of optical, magnetic, and silicon based disk systems.
Major sections are devoted to media and video server technologies and their evolution, while others cover the implementation into production/post- production, graphics/animation, and broadcast operations, including news. There is a section on networking theory as it applies to server implementation. Other sections include drive and system-bus architectures (SCSI
The material presented includes both introductory and in-depth discussion aimed at the users of the technology: the electronics technician, the maintenance engineer working in a video facility, and the technical manager whose job it is to recommend and advise upper management on current as well as future technological choices in advanced television. The applications portions will also be helpful to the operations technicians or managers already working in a broadcast facility with server systems, or one that is considering integrating video and media server technologies into the plant.
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The Journey Begins
A Brief History
One Step Before the Server
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analog applications architecture archive audio automation backup bandwidth become bit rate bit stream broadcast facility browse server cable cache chapter clips codec coding component digital compressed digital concept configuration connection data rates database decoder delivery devices digital video disk drives disk recorder encoding equipment Ethernet FC-AL Fibre Channel Figure file server format frame functions hardware HDTV header implementation industry input integrated interface Layer Mb/s media server motion-JPEG MPEG multiple near-line non-linear non-linear editing systems NTSC on-line operations OSI model output packets parallel SCSI parity performance physical playback port production protocols RAID SDTI serial serial digital interface Serial Storage Architecture server technology signal SMPTE standards station stored structure subsystem switching synchronous television timecode topologies transfer transmission video disk recorder video server videotape transport workstations