Contents playback device, television receiver, information provision system, information provision method, information provision program, and recording medium

A television (100) is provided with a reception unit (202) for receiving auxiliary information regarding broadcast contents, the auxiliary information having been transmitted together with the broadcast contents; a processing unit (222) for processing the auxiliary information so that a portable terminal (120) can obtain information corresponding to inherent information held by the television (100); and a transmission unit (224) for transmitting the processed auxiliary information to an external device.