Patent ID: 6473561
Filing Date: 2002-10-29
Classification: G11B,H04N

Abstract:
A DVD audio disc, comprising:a video title set having a video attribute including an extended audio data mode indicator, a sub-picture attribute including said extended audio data mode indicator; and basic; audio packs for storing basic audio data, video/sub-picture packs including an extended audio steam, said extended audio stream comprising an extended audio steam header and frames, said extended audio stream header comprising a usage area for storing an audio coding mode indicator, a sampling frequency, a quantization bit number, and usage data of extended audio data, and said usage area of said extended audio data indicating bit extension, bandwidth extension, and channel extension of said extended audio data; wherein said video/sub-picture packs are formed as extended audio packs for selectively recording the extended audio data on the DVD audio disc, and said extended audio packs are combinable with said basic audio packs to be reproduced as audio data.