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Title:
METHOD AND DEVICE OF PROVIDING AUDIO/VIDEO SIGNAL PLAYABLE IN COMMUNICATION NETWORK
Document Type and Number:
WIPO Patent Application WO/2008/068562
Kind Code:
A3
Abstract:
The present invention provides a method and corresponding device of, in broadcasting and TV network and communication network, providing audio/video signal playable in communication network. With the aid of the present invention, security controlling means in communication network encrypts the plaintext of control word and return the encrypted version to the broadcasting and TV network. Consequently, the broadcasting and TV network multiplexes the encrypted control word and scrambled audio/video signal, and broadcasts the multiplexed signal to mobile terminals in said communication network. Hence, mobile phone TV services can be protected onground broadcasting and TV network platform.

Inventors:
HU ZHIYUAN (CN)
LIU YAOWEI (CN)
JIN XIAORONG (CN)
Application Number:
PCT/IB2007/003248
Publication Date:
January 15, 2009
Filing Date:
November 22, 2007
Export Citation:
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Assignee:
ALCATEL LUCENT (FR)
HU ZHIYUAN (CN)
LIU YAOWEI (CN)
JIN XIAORONG (CN)
International Classes:
H04L29/06; H04N7/167
Domestic Patent References:
WO2004084555A12004-09-30
Foreign References:
EP1722564A12006-11-15
US20060150211A12006-07-06
EP0763936A21997-03-19
US20050100162A12005-05-12
EP1280149A22003-01-29
Attorney, Agent or Firm:
AMELINE, Jean-Paul (54 rue La Boétie, Paris, FR)
Download PDF:
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