Lawo’s VSM ensures control of Mediacorp’s new studio facility

Lawo’s VSM ensures control of Mediacorp’s new studio facility

Mediacorp selects Lawo

Singapore-based broadcaster Mediacorp has taken up residence at its new Mediapolis facility, a massive complex that houses all production facilities for the broadcaster’s seven television and 12 radio channels. Key to its operational infrastructure is the VSM Broadcast Control and Monitoring System from Lawo, which provides the overall control solution campus-wide.


The facility’s two redundant (Miranda) routers handle switching of audio and video. These are connected directly, and switch simultaneously without any master or backup hierarchy, operating on a master/master basis. The VSM system ensures the essential synchronization of the two routers, bringing in two major benefits, according to Lawo. The first is that maintenance of one router can be carried out offline without interfering the production schedule. The second means that each router acts as “backup” routers for the other in the event of failure.


Mediapolis studio complex

The Mediapolis studio complex is divided into four sections: Central, Radio, TV and News. The Central section is further subdivided in three areas: CMX (Ingest), DC (Distribution/Contribution) and Playout. The Distribution/Contribution section uses VSM’s Virtual Package Workflow to allow an actual incoming source (from OBs or downlinks) to become a virtual source and made available as such throughout the facility. If one device in the signal chain fails, the virtual signal is uninterrupted, leaving the signal flow intact while the device is switched or changed.


To its Virtual Package Workflow, VSM adds a user rights management making the virtual layers available throughout the facility conditional on the individual rights of the operator configurations. Only qualified staff can access signals, depending on the rights granted to them.


For the TV section studios, Mediacorp makes use of another special feature of VSM – Boxing. This allows a production to be transferred from one studio to another for preparation purposes or in the even of malfunctions. With Boxing, an operator can prepare a production in one studio and run it from another, by switching to the saved workflow with a button push. Similarly, in case of equipment failure, an operator can switch a production workflow from one studio to another instantly.


Within the Radio section of the facility, the same redundancy concept is applied through the use of two Lawo Nova 73 audio routers working in parallel. For the 12 (plus two back-up) radio stations, VSM provides the overall control and monitoring system and keeps the crosspoints of the two redundant routers in sync as well as monitoring the transmission chains for silent detect, alarm management, and other functions. Further tools include a scheduler to prepare crosspoints that should be set a pre-defined time – using two software and two hardware control panels, VSM is able to control the complete transmission chains. With VSM’s TX control panel, operators can see at a glance the complete signal chain of all available transmission chains, and can access all lower levels of the chain, freely assigning studios and resources in accordance with availability, problems or failures.

TM Broadcast International

Broadcast and audiovisual digital magazine

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