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Monitoring device and method for digital multimedia content playing

A technology of multimedia content and monitoring device, which is applied in the fields of digital data protection, computer security device, electronic digital data processing, etc., can solve the problem of unable to restore digital content, etc., and achieves the effect of easy popularization, easy use, and simple steps.

Inactive Publication Date: 2009-11-18
陆小潮 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the digest algorithm has a very strong irreversibility. Even if the digital fingerprint is obtained, the digest algorithm is known, but the original digital content cannot be restored.

Method used

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  • Monitoring device and method for digital multimedia content playing
  • Monitoring device and method for digital multimedia content playing
  • Monitoring device and method for digital multimedia content playing

Examples

Experimental program
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Embodiment Construction

[0029] The invention discloses a monitoring method for playing digital multimedia content. First, a digital fingerprint extraction module continuously extracts digital fingerprints from the currently playing digital multimedia content during the digital multimedia content playing process. The digital fingerprint extraction adopts a parallel extraction method , the digital multimedia content transmitted from the cache is divided into two paths, one path is decoded and output after decoding, and the other path is used to extract digital fingerprints, and then the digital fingerprint sending module sends the digital fingerprints to A digital fingerprint receiving module, the digital fingerprint receiving module receives the digital fingerprint, and transmits the digital fingerprint to the digital fingerprint identification module, and the digital fingerprint identification module extracts the digital fingerprint and the digital multimedia content expected to be played Compared wit...

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Abstract

This invention discloses a monitor device for digital multimedia content play including a digital fingerprint pick-up module, a digital fingerprint transmission module and a receiving module, in which, said pick up module is connected with the transmission module in signals, which is connected with the receiving module in singals and the transmission and the receiving modules can be replaced with a digital fingerprint storage module. This invention also discloses a monitor method including: picking up digital fingerprint, transmitting or storing them then to identify and calculate them.

Description

technical field [0001] The invention relates to a monitoring method for playing digital multimedia content. The invention also relates to a monitoring device for playing digital multimedia content realizing the monitoring method. Background technique [0002] With the advancement of multimedia technology and computer technology, the huge advantages of digital multimedia in production, reproduction, and dissemination make digital multimedia rapidly applied to many emerging occasions. Media producers and disseminators have also put forward higher requirements for the use and control of digital media. For example, due to the reduction of costs, the advertising industry can go deep into subdivided groups and locations, and can simultaneously carry out targeted advertisements for people with different economic consumption capabilities in different locations; The content time and times can be recorded as the basis for charging; content management agencies also hope to spot check...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/00G11B20/00H04N5/913G06F21/10G06F21/62
Inventor 欧阳炳宇陆小潮
Owner 陆小潮