Patent ID: 7730512

Claim:
A method of obtaining data blocks comprising compressed digital audiovisual information transmitted via satellite on a multiplexed distribution channel to a remotely located user reception system, comprising: accessing an item database containing items of factual information, each item of factual information being associated with a corresponding item comprising compressed digital audiovisual data blocks, via a user terminal interface including a screen for presentation of a plurality of the items of factual information at the user location; selecting one of the items comprising compressed digital audiovisual data blocks from the multiplexed distribution channel by preconfiguring the user reception system; receiving via satellite at the user reception system, a signal from the multiplexed distribution channel comprising a plurality of items of audiovisual information, including the selected item, wherein at least some of the received compressed digital audiovisual data blocks of the selected item are addressable by first relative time markers assigned to audio information and at least some of the received compressed digital audiovisual data blocks are addressable by second relative time markers assigned to video information, the first relative time markers and the second relative time markers allowing for realignment of the audio information and the video information; separating audio information from video information in the selected item received via satellite at the user reception system; decompressing the audio information using an audio decompressor of the user reception system and decompressing the video information using a video decompressor of the user reception system; converting the decompressed audio information and video information into a format suitable for playback; and transmitting information of receipt of the selected item via a telephone network.