System, method, device, and program for distributing data, and data reproduction device
First Claim
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1. A data distribution system, comprising:
- a server which stores, as distribution data to be distributed, media data excluding a data portion which is same as sample data being a part of the media data; and
at least one reproduction terminal which reproduces the media data, and wherein said reproduction terminal includes a memory which stores the sample data, a downloader which downloads predetermined distribution data from said server, and a player which reproduces the sample data stored in said memory and the distribution data downloaded by said downloader.
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Abstract
A server stores media data excluding a data portion which is the same as sample data being a part of the media data, as distribution data to be distributed. A reproduction terminal stores the sample data. The reproduction terminal downloads predetermined distribution data from the server through a network, in accordance with the operation of a user. The reproduction terminal generates the media data from the sample data which is provided in advance and the downloaded distribution data, thereby reproducing the media data. The reproduction terminal reproduces the generated media data.
69 Citations
30 Claims
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1. A data distribution system, comprising:
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a server which stores, as distribution data to be distributed, media data excluding a data portion which is same as sample data being a part of the media data; and
at least one reproduction terminal which reproduces the media data, and wherein said reproduction terminal includes a memory which stores the sample data, a downloader which downloads predetermined distribution data from said server, and a player which reproduces the sample data stored in said memory and the distribution data downloaded by said downloader. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A data distribution method comprising:
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storing, as distribution data to be distributed, media data excluding a data portion which is same as sample data being a part of the media data, in a server;
storing the sample data being the part of the media data in at least one terminal;
downloading predetermined distribution data from said server into said at least one terminal through a communications network; and
reproducing the stored sample data and the downloaded distribution data in said at least one terminal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 20, 21)
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19. A data distribution device, comprising:
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a memory which stores, as distribution data to be distributed, media data excluding a data portion which is same as sample data being a part of the media data; and
a data supplier which supplies at least one terminal with predetermined distribution data stored in said memory through a communications network, in response to a request from said at least one terminal storing the sample data.
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22. A data reproduction device comprising:
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a memory which stores sample data being a part of media data;
a downloader which downloads distribution data to be distributed from a server storing, as the distribution data, the media data excluding a data portion which is same as the sample data, through a communications network; and
a player which reproduces the sample data stored in said memory and the distribution data downloaded by said downloader. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A program for controlling a computer to function as a data distribution device comprising:
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a memory which stores, as distribution data to be distributed, media data excluding a data portion which is same as sample data being a part of the media data; and
a supplier which supplies, in response to a request from a predetermined terminal connected to said computer through a communications network, said terminal with predetermined distribution data stored in said memory.
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30. A program for controlling a computer to function as a data distribution device comprising:
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a memory which stores sample data being a part of media data;
a downloader which downloads predetermined distribution data to be distributed from a server storing, as the distribution data, the media data excluding a data portion which is same as the sample data being a part of the media data; and
a player which reproduces the sample data stored in said memory and the distribution data downloaded by said downloader.
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Specification