FIELD: physics, computer engineering.
SUBSTANCE: recording medium, method and device for recording and playing back from the said medium are proposed. The recording medium contains control data for controlling access to the recording medium. The access control information includes a rule used when access control information is known by a device attempting to record onto the recording medium or playing back from the recording medium. The recording medium also has a status information region which stores status information of the access control information.
EFFECT: possibility of fast reception of status information of access control information regions.
27 cl, 16 dwg
Authors
Dates
2010-04-27—Published
2005-03-03—Filed