Patent ID: 7515207

Claim:
A television broadcast receiving apparatus, comprising: a first receiver operable to receive a first television broadcast on a first channel; a second receiver operable to receive a second television broadcast on a second channel; a decoding unit operable to decode video data multiplexed to the first television broadcast and to output the decoded video data as a program video image; and an information processing unit operable to decode, using software, a part of image data included in video data multiplexed to the second television broadcast to produce a program image of the second television broadcast, and to output the program image, wherein the first and second television broadcasts each undergo inter-frame prediction encoding so as to each form a respective plurality of I, P, and B pictures representative of a plurality of video frames, and wherein the information processing unit is further operable to determine whether a picture type of a current frame of the video data multiplexed to the second television broadcast is an intra-frame (I) picture, and if the picture type is determined to be an I picture to decode and convert image data corresponding thereto into a JPEG format and to output the decoded and converted image data as the program image, and if the picture type is determined not to be the I picture to wait for a next frame of the video data multiplexed to the second television broadcast such that the image data of the current frame is not decoded.