Patent ID: 7880810

Claim:
An apparatus for processing an informational signal, said apparatus comprising: a first processing section configured to receive the informational signal, execute image processing on the informational signal, and output the processed informational signal; a second processing section, which is located at a posterior stage of the first processing section, configured to receive the processed informational signal and execute output processing on the processed informational signal; and a transmitting device configured to transmit meta-information corresponding to each predetermined period of time in the informational signal, from the first processing section to the second processing section, wherein the processing in the second processing section is controlled based on the meta-information transmitted by the transmitting device, the meta-information contains information on kinds of signal indicating that the received informational signal is any one of an image signal and a non-image signal, and the second processing section is configured to output the received informational signal when the information on the kind of signal is indicative of the image signal, whereas the second processing section is configured to output a blanking signal when the information on the kinds of signal is indicative of the non-image signal.