Patent ID: 8107789
Filing Date: 2012-01-31
Classification: G11B,H04N

Abstract:
1. A playback apparatus for playing back an AV stream data using an external recording medium that stores a plurality of contents, each including the AV stream data and an application program that refers to the AV stream data to play back the AV stream data in a predetermined playback order, the playback apparatus comprising: an internal recording medium; a mode manager that selects one of the plurality of contents; an application executor that executes an application program corresponding to the selected content; a playback controller that plays back the AV stream data included in the content corresponding to the executed application program; a network manager that obtains, from an external server including therein one or more alternative contents, (i) an alternative content to replace part of the contents and (ii) correspondence information showing a correspondence between a storage location where the internal recording medium of the alternative content is stored and a storage location where the external recording medium of the part of the contents to be replaced is stored, and stores the obtained alternative content and correspondence information in the internal recording medium; and a virtual package manager that includes: