Patent ID: 8427910

Claim:
A method for storing audio items on a unitary storage medium while using a Table-of-Contents (TOC) system for therein specifying an actual configuration of various audio items on said medium, the method comprising: providing a unitary storage medium having at least two mutually logically conforming Sub-TOCs for each Track Area of one or more Track Areas of the unitary storage medium, thereby allowing retrieving any constituent Sub-TOC part from at least any correct copy of said at least two Sub-TOCs, and at least one Master-TOC for specifically pointing to each of said Sub-TOCs; storing audio items in a first Track Area of the one or more Track Areas; storing a mutually logically conforming specification of the actual configuration of the stored audio items in each of the at least two Sub-TOCs of the first Track Area; wherein there are at least two Track Areas.