Audio disc of improved data structure and reproduction...

Details Audio disc of improved data structure and reproduction... Audio disc of improved data structure and reproduction...

2007-01-16

2007-01-16

Chevalier, Robert (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000

Reexamination Certificate

active

10061443

ABSTRACT:
An optical audio disc comprises the first pack (A Pack), the second pack (A-CONT Pack), the third pack (V Pack), and the fourth pack (CONT Pack) in which the A-CONT Pack is placed at the head of a data array and a plurality of the A and V Packs follow the A-CONT Pack in each audio contents block unit (ACBU). Information contained in an A-CONT Pack manages audio data contained in the A Pack. The A Pack contains audio data and the V Pack contains other data than the audio data such as closed caption (CC) data as well as video data. A reproduction apparatus for an optical audio disc (DVD-Audio disc) comprises the CONT Pack detector section1103, the A-CONT Pack detector section1109, the parameter sections1108and1114, the V Pack buffer section1104, and the A Pack buffer section 1110. The CONT Pack detector section1103and the A-CONT Pack detector section1109detect reproduced CONT and A-CONT Packs contained in the DVD-Audio disc1101respectively. Control parameters of reproduced data are arranged in the parameter sections1108and1114, and at the same time V Packs controlled by the information in the CONT Pack and A Packs controlled by the information in the A-CONT Pack are sequentially written in the V Pack buffer section1104and the A Pack buffer section1110respectively.

REFERENCES:
patent: 6381403 (2002-04-01), Tanaka et al.

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