Patent ID: 7995511
Filing Date: 2011-08-09
Classification: H04H,H04N

Abstract:
1. A broadcasting receiver comprising: a receiver which receives a broadcast signal including mobile service data and main service data, in which the mobile service data is able to construct a data group, the data group is divided into several areas, N number of known data streams are inserted into some areas from among the several areas, and a transmission parameter is inserted between a first known data stream and a second known data stream from among the N number of known data streams; a transmission parameter detector for detecting the transmission parameter; a power-supply controller for controlling a power-supply voltage using the detected transmission parameter such that it receives a data group including desired mobile service data to be received; and a decoder for extracting audio data from an audio stream contained in the mobile service data, dequantizing the audio data, and restoring a stereo audio signal on the basis of mid data and side data contained in the dequantized audio data.