Patent ID: 7447241
Filing Date: 2008-11-04
Classification: G11B,H04N

Abstract:
1. A digital broadcast receiver for receiving a broadcast signal having a group of packets, each being formed by packetizing audio data sequences which are encoded and by multiplexing a plurality of those sequences, and for selectively decoding one audio data sequence, comprising: a tuner which receives the broadcast signal; a demultiplexer coupled to the tuner for extracting said one audio data sequence which is designated by a user from said group of packets depending upon a property or attribute information which each packet has, and further for extracting a method of encoding which is applied for encoding said one audio data sequence from said one audio data sequence; and a decoder section having an audio decoder for decoding said one audio data sequences in accordance with a set of decoding program codes if no change in encoding of said one audio data sequence is detected, wherein, when a change in encoding of said one audio data sequence is detected, the decoder section decodes said one audio data sequence in accordance with another set of decoding program codes after it is confirmed that the another set of decoding program codes is received by the decoder section without transfer error.