Abstract: The invention involves a procedure and a system for reproducing or alternatively creating audio and/or video data in a location (12, 14, 16) in which sales are made, such as a restaurant or a business, which includes at least one data source (28) for audio and/or video data; at least one replay station (20); one control system (10), which is connected to the storage device and the replay station; at least one pay station (18), which is connected with the control system; at least one storage unit (30, 32); which control system creates correlation data sets from the data previously stored and contains a time correlation between the data that have been played. Or, alternatively between the applications and programs that created them and the pay station sales, and the control system takes account of these correlation data sets in replaying the data or in selecting the programs or applications.

Abstract: The invention involves a procedure and a system for reproducing or alternatively creating audio and/or video data in a location (12, 14, 16) in which sales are made, such as a restaurant or a business, which includes at least one data source (28) for audio and/or video data; at least one replay station (20); one control system (10), which is connected to the storage device and the replay station; at least one pay station (18), which is connected with the control system; at least one storage unit (30, 32); which control system creates correlation data sets from the data previously stored and contains a time correlation between the data that have been played. Or, alternatively between the applications and programs that created them and the pay station sales, and the control system takes account of these correlation data sets in replaying the data or in selecting the programs or applications.