WO2010076971A3 - 디브이비-씨아이 인터페이스를 이용하여 수신제한기능을 구현한 방송 송수신기 및 피씨엠씨아이에이 스크램블러 - Google Patents

디브이비-씨아이 인터페이스를 이용하여 수신제한기능을 구현한 방송 송수신기 및 피씨엠씨아이에이 스크램블러 Download PDF

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Publication number
WO2010076971A3
WO2010076971A3 PCT/KR2009/006661 KR2009006661W WO2010076971A3 WO 2010076971 A3 WO2010076971 A3 WO 2010076971A3 KR 2009006661 W KR2009006661 W KR 2009006661W WO 2010076971 A3 WO2010076971 A3 WO 2010076971A3
Authority
WO
WIPO (PCT)
Prior art keywords
scrambler
broadcast signal
pcmcia
configuration information
broadcast
Prior art date
Application number
PCT/KR2009/006661
Other languages
English (en)
French (fr)
Other versions
WO2010076971A2 (ko
Inventor
김기섭
Original Assignee
주식회사 엑스크립트
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엑스크립트 filed Critical 주식회사 엑스크립트
Priority to EP09836292.4A priority Critical patent/EP2373017A4/en
Publication of WO2010076971A2 publication Critical patent/WO2010076971A2/ko
Publication of WO2010076971A3 publication Critical patent/WO2010076971A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/78—CATV [Community Antenna Television] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H04N21/26609—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM] using retrofitting techniques, e.g. by re-encrypting the control words used for pre-encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

본 발명은 간단한 모듈을 사용하여 수신제한기능을 구현하는 방송 송수신기를 제안하기 위한 것으로서, 입력되는 방송신호를 복조하는 복조기와, CI 인터페이스 슬롯에 삽입되어, 복조된 방송신호에 있어서 MPEG2 트랜스포트 스트림(MPEG2 Transport Stream) 내의 적어도 일부의 방송신호를 스크램블 하는 DVB-CI 규격의 PCMCIA 스크램블러 모듈과, 상기 스크램블된 방송신호를 변조하는 변조기로 이루어진다. 또한 본 발명은, 암호화에 필요한 CW를 생성하는 컨트롤 워드 생성기와, 상기 CW에 의하여 입력되는 TS(Transport Stream)를 스크램블 하는 스크램블러와, 외부로부터 각 방송에 대한 제한정보를 규정하는 구성정보를 받아 이을 이를 TS에 싣도록 제어하는 제어 CPU와, 상기 CW를 받아 이를 암호화하고 또한 구성정보에 따라 각 방송의 신호에 대한 테이블을 생성하는 암호화 엔진 및 테이블 생성기와, 상기 암호화된 CW 및 구성정보 테이블에 따라 상기 스크램블러부터의 TS의 PMT 테이블을 변경하는 패킷 변경기로 구성되는 것을 PCMCIA 스크램블러를 제공한다.
PCT/KR2009/006661 2008-12-29 2009-11-13 디브이비-씨아이 인터페이스를 이용하여 수신제한기능을 구현한 방송 송수신기 및 피씨엠씨아이에이 스크램블러 WO2010076971A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09836292.4A EP2373017A4 (en) 2008-12-29 2009-11-13 PCMCIA BROADCAST TRANSCEIVER AND RECEIVER WITH RECEIVE LIMITATION FUNCTION IMPLEMENTED USING A DVB-CI INTERFACE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0136021 2008-12-29
KR1020080136021A KR100992448B1 (ko) 2008-12-29 2008-12-29 Pcmcia 스크램블러 및 이를 사용하는 방송 송수신기

Publications (2)

Publication Number Publication Date
WO2010076971A2 WO2010076971A2 (ko) 2010-07-08
WO2010076971A3 true WO2010076971A3 (ko) 2010-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/006661 WO2010076971A2 (ko) 2008-12-29 2009-11-13 디브이비-씨아이 인터페이스를 이용하여 수신제한기능을 구현한 방송 송수신기 및 피씨엠씨아이에이 스크램블러

Country Status (3)

Country Link
EP (1) EP2373017A4 (ko)
KR (1) KR100992448B1 (ko)
WO (1) WO2010076971A2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681864A (zh) * 2015-12-31 2016-06-15 惠州市伟乐科技股份有限公司 一种基于ip的传输流抖动去除方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU182705U1 (ru) * 2018-04-26 2018-08-28 Общество С Ограниченной Ответственностью "Сателлит 15" Модуль головной станции

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KR20050007749A (ko) * 2003-07-11 2005-01-21 주식회사 휴맥스 디지털 방송 신호의 조건부 억세스 시스템 및 그 방법
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KR20060131165A (ko) * 2005-06-15 2006-12-20 엘지전자 주식회사 디지털 방송 제한 수신 시스템 및 그 방법
KR20070080730A (ko) * 2006-02-08 2007-08-13 삼성전자주식회사 디지털 멀티미디어 방송 제한 서비스 시스템 및 그 방법

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See also references of EP2373017A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681864A (zh) * 2015-12-31 2016-06-15 惠州市伟乐科技股份有限公司 一种基于ip的传输流抖动去除方法及装置
CN105681864B (zh) * 2015-12-31 2020-09-15 惠州市伟乐科技股份有限公司 一种基于ip的传输流抖动去除方法及装置

Also Published As

Publication number Publication date
EP2373017A4 (en) 2013-04-10
WO2010076971A2 (ko) 2010-07-08
KR20100077934A (ko) 2010-07-08
KR100992448B1 (ko) 2010-11-05
EP2373017A2 (en) 2011-10-05

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