Patent ID: 8699850
Filing Date: 2014-04-15
Classification: G11B,H04N

Abstract:
1. A method of retrieving information for managing video data, comprising: retrieving linking information for associating metadata with the video data and location information; and retrieving a metadata indicator for indicating whether the metadata exists in a stream including the linking information, the metadata being additional information describing the video data, and the linking information being used for identifying the metadata associated with the video data, wherein the location information indicates where the additional information is found, wherein the metadata indicator indicates that the metadata associated with the video data exists in the stream when the metadata indicator has a first metadata indicator value, wherein the metadata indicator indicates that the metadata associated with the video data does not exist in the stream when the metadata indicator has a second metadata indicator value, wherein a single metadata is capable of being associated with plural video data, or plural metadata are capable of being associated with a single video data, wherein the metadata indicator is a flag.