Prerecorded music libraries can be stored and programmed to provide unattended on-air broadcasting. Digital Traffic and Weather Reports Metro Source provides an example of this revolutionary digital information system for radio and television of the 21st century. A computerized system presents weather, news and traffic information. Screen one gives the broadcaster continuous traffic and weather updates. Screen two is a fusion of journalism and digital technology.
Editors update information which is delivered over a satellite system.
Founded in 1978 in Baltimore, Maryland, Metro Traffic Control and its parent company, Metro Networks supplies local and regional traffic, news and information to more than 1,500 radio and television affiliates in over 70 cities in North America and Europe.