Advantages
For some broadcasters, centralisation of broadcasting operations has reduced the number of people required to operate a station, with some saving in cost. This must be carefully balanced, however, against the cost of the extra communications links required from the local station to the hub; these often are optical fibre, microwave or (occasionally) satellite and can be costly if large amounts of digital video must be carried great distances.
By shifting many of the control tasks to a central hub, centralcasting may also reduce the investment which must be made in equipment for each individual local station in the group for upgrades such as digital television broadcasting as less equipment is required at each local station site.
Centralcasting can also be used as a way to control a station's local operations remotely during off-hours (such as late night, where there may be no one or just a skeleton crew at the local site). This can allow a station to operate on an "auto-pilot" basis during off-hours in which it otherwise may have needed to sign-off.
Read more about this topic: Centralcasting
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