An identifier for specifying the channel of a PES packet outputted from a TS decoder is attached to the header of the PES packet by an identifier attaching circuit. PID information corresponding to the identifier is read out of an identifier table by an identifier selecting circuit. The PES packets are stored for each channel in storage areas (CH1 to CHn) of a bank memory designated by a control section with respect to the PID information. The stored packets are decoded for each channel by a decoding circuit.