Television Audience Response System is a television viewer ship data generation instrument installed in households across a sample set, for the purpose of media market research. Data generated shows the popularity of various programs broadcast by TV channels and is used by advertisers to measure the effectiveness of their advertisements. It monitors the TV usages pattern i.e. the programming preferences of the demographic information about the members of the households as well as correlating the two. Using data generated by the equipment, market research agencies can compile statical information regarding program or channel viewer ship.

The electronics of the Television Audience Response System is housed in the Main Instrument Units, prompting the user as necessary, as well as giving them visual feedback about their commands.

The remote control keypad for the Television Audience Response System is similar to a common television remote control, except for a different set of functional keys.

Transworld's patent applied technology now allows detection of TV channel frequency without any intrusion in the TV set.

Other propreitory technology allows the measurement of Digital Broadcast TV viewership using Transworld's own image acquisition and match software.