Information recording medium, apparatus and method for recording or reproducing data thereof
US6445877B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1999 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Nov 19, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/888
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention provides a recording medium for recording various AV streams, which enables to perform a random access and is suitable for a DVD-RAM or the like, Also provided are an apparatus and a method for accessing the recording medium. The information recording medium stores, as management information, object information for managing an object. The object information includes an access map for managing an MPEG transport stream for each block unit which is comprised of the integer-times number of ECC blocks. The access map has, in addition to predetermined access information for the block, a flag indicating whether the block includes an I-picture or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.