Semiconductor memory card, playback apparatus, recording...

Details Semiconductor memory card, playback apparatus, recording... Semiconductor memory card, playback apparatus, recording...

2005-03-08

2005-03-08

Moise, Emmanuel L. (Department: 2131)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Digital audio data processing system

C386S349000, C386S349000, C386S349000, C713S193000

Reexamination Certificate

active

06865431

ABSTRACT:
An audio stream is divided into a plurality of audio object (AOB) files that are recorded having each been encrypted using a different encryption key. At least one piece of track management information (TKI) is provided corresponding to each track. Playlist information (PLI) assigns a playback position in a playback order to each track when a plurality of tracks are to be played back one after the other.

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