Method for realizing management of digital copyright based on stream media broadcast

A technology for digital rights management and implementation methods, applied in the fields of electronic digital data processing, television, instruments, etc., can solve the problems of low security, no security of media files, and ineffective protection of streaming media files, etc. Achieving the effect of improving safety and increasing flexibility

Inactive Publication Date: 2007-05-16
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although streaming media playback can be achieved by using the above method, the security is not high. Once someone on the network can intercept the sent data and know its encoding format, it can save

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The embodiment of a method for implementing variable speed playback of a player based on streaming media technology proposed by the present invention is described in detail as follows in conjunction with the accompanying drawings:

[0034] The configuration of each part of this implementation is as follows

[0035] On-demand server configuration

[0036] CPU: Intel P4 2.4GHz

[0037] Memory: 1G

[0038] Operating system: RedHat9 Linux Server

[0039] Streaming media server: LSMP Media Server

[0040] Live broadcast server configuration

[0041] CPU: Intel P4 2.4GHz

[0042] Memory: 1G

[0043] Operating system: RedHat9 Linux Server

[0044] Streaming media server: LSMP Media Server

[0045] Client and program production server configuration

[0046] CPU: Intel P4 2.66Hz

[0047] Memory: 512M

[0048] Operating system: WindowsXP

[0049] Player: LsmpPlayer

[0050] parameter settings

[0051] The DRM digital rights management embodiment when realizing on-de...

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PUM

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Abstract

The related digital copyright management method based on flow media technology enciphers the menu played as flow media, and the client can obtain deciphering key from server after success identification to decipher data and obtain the normal video data. This invention is benefit to provide more safe ordering service in network by the provider.

Description

technical field [0001] The invention belongs to the technical field of computer multimedia, in particular to streaming media playing technology. Background technique [0002] There are two main ways for people to obtain multimedia information from the Internet: download and play and play online. Downloading and playing is to download multimedia files to the local hard disk through HTTP protocol or FTP protocol, and then start the multimedia player to play. Since multimedia files are usually very large, ranging from a few megabytes to tens of megabytes or even hundreds of megabytes, it takes a few minutes, tens of minutes, or even hours to download completely, which often makes customers impatient . Moreover, programs with strong real-time characteristics such as live broadcasting and distance education cannot be watched in this way. The biggest disadvantage of downloading and playing is that it cannot provide digital copyright protection. After users download multimedia f...

Claims

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Application Information

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IPC IPC(8): H04N7/167H04N7/173H04N7/16G06F21/00G06F21/10
Inventor 戴琼海严峻
Owner TSINGHUA UNIV
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