Synchronization identifier generating method and apparatus for synchronizing digital contents
AssigneeSamsung Electronics Co., Ltd.
InventorsSung-ho Ryu, Seok-hyun Yoon
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Abstract
Provided are a synchronization identifier generating method for synchronizing digital contents and an apparatus for the same. The synchronization identifier generating method includes setting a sampling level that indicates a frequency of sampling digital contents; sampling the digital contents on the basis of the set sampling level; generating a first message digest on the basis of data sampled during the sampling the digital contents; and generating a synchronization identifier including the set sampling level and the first message digest.
Claims13
A synchronization identifier generating method for synchronizing digital contents, the method comprising:
- setting a sampling level that indicates a frequency of sampling digital contents;
- sampling the digital contents on the basis of the set sampling level, wherein the sampling comprises sampling a plurality of regions in a content region and the sampled regions do not overlap each other;
- generating a first message digest on the basis of data sampled during the sampling the digital contents;
- generating a synchronization identifier including the set sampling level and the first message digest;
- and
- performing a synchronization operation with respect to the digitals contents when the first message digest is not duplicated in the existing synchronization identifier list.
A synchronization identifier generating apparatus for synchronizing digital contents, the apparatus comprising:
- a processor and memory;
- a sampling module which sets a sampling level that indicates a frequency of sampling digital contents and samples the digital contents on the basis of the set sampling level, wherein the sampling comprises sampling a plurality of regions in a content region and the sampled regions do not overlap each other;
- a message digest generating module which generates a first message digest on the basis of data sampled during the sampling the digital contents;
- a synchronization identifier generating module which generates a synchronization identifier that comprises the set sampling level and the first message digest;
- and
- a content synchronization module which performs a synchronization operation with respect to the digitals contents when the first message digest is not duplicated in the existing synchronization identifier list.
Dependencies are inferred from the claim text.