Patent ID: 7263271
Filing Date: 2007-08-28
Classification: G11B,H04N

Abstract:
1. A digital information recording medium embodied as an optical disc for use with an optical disc drive, wherein said optical disc has an outline of two-adhesive substrates, and includes a center hole, a clamp area around the center hole, and a read-out face around the clamp area, said read-out face is located at one of the two-adhesive substrates, the optical disc includes a spiral track on which sectors are placed, and data can be reproduced from the sectors using a laser, said data including audio contents and audio management information, the digital information recording medium comprising: an audio data area storing the audio contents; an audio management block storing the audio management information; and wherein said audio contents includes audio data and audio title set information including audio title set information management information, wherein said audio title set information management information includes one or more pieces of coefficient information describing one or more coefficients to mix down the audio data having multi-channel outputs to 2-channel outputs, said audio title set information contains wherein said index number describes 01 h of hexadecimal notation when the audio content has no audio objects, said index number describes 00 h when the cell is a silent cell, and said index number describes a number from 1 to 99 when the cell is an audio cell.