A monitor (10) for capturing audience research data from a computer (2-8) having AV presentation capability is attached to the computer by a connector (12). The connector (12) allows to download software stored in the monitor (10), The software watches AV signals played back by the computer and furnishes data the AV signals to the monitor (12). Optionally, or instead of the software, the data detectable on the connector (10) may be analyzed if they relate to AV signals played back.