ATM for broadcast
Asynchronous-transfer mode (ATM) is the workhorse of modern telecommunications. Disocver how this workhorse evolved and how it performs the considerable feat of carrying digital broadcast signals....
The Seven Network: An integrated production and playout system
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By moving to an MPEG-2-based solution, The Seven Network could greatly enhance its distribution and contribution networks without incurring additional circuit revenue costs. Together with the Thomson Multimedia Systems Group as integrator, the project began in 2001....
Making money with DTV
Over the next ten years the entire world will switch to Digital TV broadcasting. The drivers for switching to DTV include consumers, politics and television broadcasters gaining from cost savings on bandwidth, greater business opportunities and potential for greater revenue streams....
Newsroom automation: Helping broadcasters target new audiences
Viewers today crave sound bites, video clips and all-singing-all-dancing-graphics, all of which is a far easier proposition with effective automation....
Routing Technology
While some digital technology offers cost savings or new features, much of the technology implemented during this revolutionary period simply replaced the analog versions, function by function. Perhaps the only type of technological progress that does not fit this mold is the substantial innovation in routing technology....
Video resolution: The analog concept
The extent to which a picture medium such as television can reproduce fine detail is expressed in terms of resolution. The early development of television resulted in the two dominant SDTV scanning formats, the 525/60 and the 625/50....
Business Models: Jumpstarting digital/interactive TV
This article considers the Catch-22 scenario broadcasters face in implementing DTV/iTV, and explores WOW Digital TV’s attempt to solve the problem....
Applied Technology: Preserving a facility's routing investment
The UCI-2000 from PESA allows routing systems from PESA and third-party vendors to be integrated in a single system, giving broadcasters another option for expansion of their routing systems....
Open Source development
Open Source programs, whose source code is distributed free to encourage contributions from independent programmers, are in use in a number of forums around the world. Gilmer offers a comprehensive list of defining characteristics of Open Source programs, and details some of the arguments for and against its use....
Computers & Networks: Security
Given that computer networks have found their way into the core operations of television facilities, what specific steps can we take to keep our networks secure while still taking advantage of the benefits of networking?...
Transition to Digital: Inside color bars
In last month's column, we introduced color-bar signals and took a look inside matrixed color-bar signals. This month concludes the two-part series on color bars with a look inside encoded color-bar signals....
Business Models: Television from the Telephone
For the first time in history, telcos are beginning to lose telephone business. People are now buying cellular phones as an alternative to secondary and tertiary lines in the home, and the popularity of the Internet is forcing down the potential revenues from long distan...
Computers & Networks: Media asset management
Media asset management (MAM) systems rapidly sift through vast collections of material to locate the material the user requests....
Computers & Networks: Networking for post production
Most post-production facilities have been moving pictures over networks for years. Why did post get an early start?...
