Content acquisition method

A technology of content acquisition and content, applied in the direction of sound-generating devices, transmission systems, instruments, etc., can solve problems such as reducing the efficiency of the acquisition process

A technology of content acquisition and content, applied in the direction of sound-generating devices, transmission systems, instruments, etc., can solve problems such as reducing the efficiency of the acquisition process

CN1860457AInactive Publication Date: 2006-11-08SONY GRP CORP
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Experimental program
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Embodiment Construction

[0041] Now, the present invention will be described in more detail with reference to the accompanying drawings showing preferred embodiments of the invention.

[0042] (1) The overall configuration of the data transmission system

[0043] Referring first to Figure 1, reference numeral 1 generally designates a data transfer system according to the present invention. When a user makes a request to purchase one or more pieces of music using a music delivery service provided on a network 3 such as the Internet, the client terminal 2 accesses a server (hereinafter referred to as a portal server) that operates a portal site and includes a computer, including The computer acquisition / use information providing server 5 . Then, the client terminal 2 obtains content data corresponding to the purchased piece or pieces of music, and an acquisition / use file for acquiring content attribute information for changing content attributes including playback-related content.

[0044] Then, the c...

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Abstract

It is possible to drastically improve the processing efficiency of the acquisition processing. According to a content data request, it is judged whether the content data is stored on the hard disc. When the content data is not stored, the content data is acquired from a content providing server (6) and after this, a content attribute file (47) is acquired from an attribute information providing server (7). When the content data is stored on the hard disc, the content attribute file (47) is acquired from the attribute information providing server (7) without requesting the content data. Thus, it is possible to eliminate duplicate acquisition of content data, thereby significantly reducing the acquisition processing time. This can drastically improve the processing efficiency of the acquisition processing.

Description

technical field [0001] The present invention relates to a content acquisition method applicable to acquisition of content data such as a piece of music, and about content attributes necessary for changing attributes related to reproduction of content data from a server on a client terminal via a network Information. Background technique [0002] In a well-known data transfer system, a transfer device divides content data to be transferred into blocks of a predetermined size, and transfers the content data to a communication terminal on a block-by-block basis because blocks are used as units of data. Then, the communication terminal sequentially receives the data units transmitted from the transmitting means, and stores the block ID attached to the received data units. [0003] If the communication between the transmitting device and the communication terminal is prohibited and the transmission of the content data is interrupted before all content data is transmitted from th...

Claims

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Application Information

Patent Timeline
08 Nov 2006
Publication
CN1860457A
IPC
G06F13/00; G06F12/00; G06F15/00; G06F17/30; G10K15/02; H04L29/06
CPC
G06F16/9574; H04L65/612; G06Q50/10; H04L65/1101
Inventors
酒向範幸; 岩津健