Write-once optical disc, method and apparatus for recording...

Details Write-once optical disc, method and apparatus for recording... Write-once optical disc, method and apparatus for recording...

G - Physics

11

B

G11B 7/00 (2006.01) G11B 7/0045 (2006.01)

Patent

CA 2532371

A write-once optical disc, and a method and apparatus for recording management information on the write-once optical disc, are provided. The optical disc includes at least one recording layer, and at least one SRR entry. Each SRR entry corresponds to an SRR and includes at least one status field for indicating a recording status of the corresponding SRR. The status field includes a session start flag for indicating whether the corresponding SRR is a start of a session, the session being formed by a group of the SRRs. Each SRR entry further includes a start address field indicating where the corresponding SRR starts, and a last address field indicating the last recorded address of the corresponding SRR.

L'invention porte sur un disque optique à écriture unique, et sur un procédé et un appareil d'enregistrement d'informations de gestion sur le disque optique à lecture unique. Ce disque optique à lecture unique comprend au moins une couche d'enregistrement, et au moins une entrée SRR. Chaque entrée SRR correspond à un SRR et comporte au moins un champ d'état afin d'indiquer un état d'enregistrement du SRR correspondant. Le champ d'état comprend un indicateur de début de session afin d'indiquer si le SRR correspondant est un début de session, cette session étant formée par un groupe de SRR. Chaque entrée SRR comporte aussi un champ d'adresse de début indiquant l'endroit où le SRR correspondant débute, et un champ d'adresse de fin indiquant la dernière adresse enregistrée du SRR correspondant.

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