Patent ID: 7042947
Filing Date: 2006-05-09
Classification: H04N

Abstract:
1. A decoding apparatus comprising: a) an input unit, arranged to input a bitstream obtained by coding a plurality of object data in units of objects and multiplexing the coded data, wherein the plurality of object data are data which provide a desired scalability in accordance with a combination among the plurality of object data; b) a separation unit, adapted to separate coded data of each object from the bitstream; c) a judgment unit, adapted to judge permission of reproduction of the coded data by using intellectual property and management protection data included in the bitstream; d) a selection unit, adapted to select predetermined object data from among the plurality of object data according to a judgment result obtained by said judgment unit and the level of reproduction-permitted scalability; e) an outputting unit, adapted to decode the coded data of the selected object data, and output the decoded data; and f) a synthesis unit, adapted to synthesize the object data outputted by said outputting unit.