Patent ID: 7518656

Claim:
A television apparatus comprising: a receiving unit that receives a digital broadcast signal comprising video data, audio data, and data broadcast data; an audio signal detection unit that detects specific audio data from the audio data received by the receiving unit; and a control unit that controls an image processor, wherein the specific audio data relates a specific audio keyword, which is predetermined by a broadcaster and transmitted as data broadcast data, to a characteristic keyword in a television program, wherein the audio signal detection unit generates a control signal for controlling the control unit in a case of detecting the specific audio data, and wherein the control unit controls the image processor according to the control signal so as to synthesize an image including at least one of specific image data and text data, which are related to the specific audio keyword, and an image based on the video data, and the control unit controls the image processor according to the control signal so as to display the synthesized image on a screen of a display device.