Patent ID: 8031779

Claim:
A system comprising: a decoding apparatus; an external device connected to the decoding apparatus in a way complying with local wireless communication standards; first means provided in the decoding apparatus for extracting a prescribed descriptor from program specific information in a transport stream; second means for sending the prescribed descriptor extracted by the first means to the external device; third means provided in the external device for analyzing information represented by the prescribed descriptor sent by the second means to obtain an analyzation result; fourth means provided in the external device for storing an arbitrarily designated operation control parameter which relates to operation of a controllable portion in the external device; fifth means provided in the external device for generating a signal for control of the operation of the controllable portion in the external device in response to the analyzation result obtained by the third means and the arbitrarily designated operation control parameter stored in the fourth means; and sixth means provided in the external device for controlling the operation of the controllable portion in the external device in response to the signal generated by the fifth means.