Patent ID: 7151730

Claim:
An optical disc having at least one session, said at least one session comprising a lead-in having a plurality of subcoding blocks, each of said plurality of subcoding blocks comprising an item in channel Q, said item comprising at least a Point (PT), address/control (Adr/Ctrl), absolute-time minutes (Pmin), absolute-time seconds (Psec) and absolute-time frames (Pframe) wherein the Point of the item in at least one of said plurality of subcoding blocks is identical to the Point of another item in at least one other of said plurality of subcoding blocks; wherein a value of at least one of a group including Adr/Ctrl, Pmin, Psec and Pframe of the item in said at least one of said plurality of subcoding blocks differs from a corresponding value of at least one of the corresponding group of Adr/Ctrl, Pmin, Psec and Pframe of the other item in said at least one other of said plurality of subcoding blocks; wherein said plurality of subcoding blocks comprise a continuous repetition of table of contents (TOCs), wherein at least one item in at least one of the group including Adr/Ctrl, Pmin, Psec and Pframe of one of said repetition of table of contents (TOCs) has a different value from the corresponding item in at least one other of said repetition of table of contents (TOCs); wherein said one of said repetition of table of contents (TOCs) comprises a misleading or invalid triplet; and wherein said misleading or invalid triplet comprises a misleading or invalid point.