Interactive television

Interactive television - Digitization is turning television into a dialogue instrument with the individual viewer. Return channel television has two parallel channels, one of which is used to transmit moving images, as is the case with normal TV, and the other as a data line. The viewer receives feedback via communication services such as telephone, video telephone, video conference and Computer Supported Cooperative Work (CSCW). An interactive television system enables the consumer to call up individual information and regional or supra-regional service offers from his home TV set.

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