Patent ID: 7849485

Claim:
A digital video and audio data service system for a subscriber terminal using a mobile telecommunications network, comprising: a digital video and audio data receiver which receives digital video and audio data from a content provider; a format converter for converting the received digital video and audio data into format-converted data having a format that is compatible with the subscriber terminal; a medium storage for storing at least one of said received digital video and audio data and the format-converted data; and a transmitter which transmits the format-converted data via an allotted communication channel of the mobile telecommunications network, wherein the format converter comprises a transcoder which includes a decoding means which decodes the received digital video and audio data complying with a digital television broadcasting standard and then encodes the thusly decoded digital video and audio data into a format compatible with transmission over the allotted communication channel of the mobile telecommunications network, and a converting-controlling means which controls an encoding rate of the transcoder to comply with a transmission rate of the mobile telecommunications network.