OUTPUT SYSTEM, CONTROL METHOD OF OUTPUT SYSTEM, CONTROL PROGRAM, AND RECORDING MEDIUM

摘要

A display system (100) includes a television receiver (110a) and a smartphone (110b). The television receiver (110a) is provided with a display unit (51a) for outputting content and a keyword detector (15) for extracting keywords (1) from the content. The smartphone (110b) is provided with a keyword selector (16) and a keyword-related information acquisition unit (17) that extract the related information (2) acquired from the outside that is related to the keywords (1) selected by the user from among the keywords (1) extracted by a keyword detector (15), and a display unit (51b) for outputting the keywords (1) and the related information (2).