CN101309391B - 使用加密和解密技术播放广播节目内容的方法 - Google Patents

使用加密和解密技术播放广播节目内容的方法 Download PDF

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Publication number
CN101309391B
CN101309391B CN2008100948827A CN200810094882A CN101309391B CN 101309391 B CN101309391 B CN 101309391B CN 2008100948827 A CN2008100948827 A CN 2008100948827A CN 200810094882 A CN200810094882 A CN 200810094882A CN 101309391 B CN101309391 B CN 101309391B
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China
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key
data
unique
unique key
broadcast
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Expired - Fee Related
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CN2008100948827A
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English (en)
Chinese (zh)
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CN101309391A (zh
Inventor
山岸良和
高桥良辅
高木义行
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Buffalo Inc
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Melco Holdings Inc
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    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • 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
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CN2008100948827A 2007-04-27 2008-04-25 使用加密和解密技术播放广播节目内容的方法 Expired - Fee Related CN101309391B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007118253A JP5296327B2 (ja) 2007-04-27 2007-04-27 放送番組コンテンツを再生する方法およびプログラム
JP2007-118253 2007-04-27

Publications (2)

Publication Number Publication Date
CN101309391A CN101309391A (zh) 2008-11-19
CN101309391B true CN101309391B (zh) 2012-07-04

Family

ID=39886491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100948827A Expired - Fee Related CN101309391B (zh) 2007-04-27 2008-04-25 使用加密和解密技术播放广播节目内容的方法

Country Status (3)

Country Link
US (1) US8068611B2 (https=)
JP (1) JP5296327B2 (https=)
CN (1) CN101309391B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5306043B2 (ja) * 2009-04-28 2013-10-02 株式会社東芝 デジタルｔｖ放送受信システム、デジタルｔｖ放送受信処理装置
CN101841669B (zh) * 2010-04-16 2012-05-30 北京创毅视讯科技有限公司 移动多媒体广播接收芯片、装置、方法及基带处理芯片
KR101517638B1 (ko) 2010-04-22 2015-05-15 엘지전자 주식회사 콘텐츠 제공 방법 및 그를 이용한 디스플레이장치
JP6341657B2 (ja) * 2013-12-13 2018-06-13 キヤノン株式会社 通信機器およびその制御方法、システム、プログラム並びに記憶媒体
US10944572B2 (en) * 2017-01-02 2021-03-09 Western Digital Technologies, Inc. Decryption and variant processing
CN109462705B (zh) * 2018-11-30 2020-04-17 广州华多网络科技有限公司 一种基于频道的语音通话方法及装置
CN115296763A (zh) * 2022-08-03 2022-11-04 深圳市锦锐科技股份有限公司 一种数字广播信号的播放系统及其方法

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CN2653787Y (zh) * 2003-08-08 2004-11-03 上海东方上证数据通讯有限公司 上证信息接收机
CN1578460A (zh) * 2003-06-26 2005-02-09 索尼株式会社 信息处理系统、信息处理设备和方法、记录介质及程序
CN2809715Y (zh) * 2005-05-17 2006-08-23 深圳市天敏科技发展有限公司 音视频处理装置
CN1863305A (zh) * 2003-06-26 2006-11-15 索尼株式会社 信息处理设备、信息处理方法和程序及记录介质

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JP3361052B2 (ja) * 1998-04-17 2003-01-07 株式会社東芝 データ処理装置および同装置に適用されるコピープロテクト方法
US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices
JP3951464B2 (ja) * 1998-07-28 2007-08-01 株式会社日立製作所 ディジタル信号処理装置
JP2002261748A (ja) * 2000-12-28 2002-09-13 Sony Corp データ送信装置及び方法並びにデータ記録装置及び方法
TW566041B (en) * 2001-07-06 2003-12-11 Hitachi Ltd Digital data recording device and output device
JP2003331509A (ja) * 2002-05-15 2003-11-21 Hitachi Ltd デジタル信号記録装置及びデジタル信号記録再生装置
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JP2004030374A (ja) * 2002-06-27 2004-01-29 Fujitsu Ltd ライセンス・ポリシーに応じたセキュリティ方式でコンテンツを送信するための情報処理装置、プログラムおよび方法
US7765280B2 (en) * 2002-11-06 2010-07-27 Scientific-Atlanta, Llc Downloadable remotely stored device drivers for communication with set-top box peripherals
JP4112342B2 (ja) 2002-11-21 2008-07-02 株式会社東芝 チューナモジュール，受信システム，および暗号化処理方法
JP2004205723A (ja) * 2002-12-25 2004-07-22 Toshiba Corp デジタル情報記録装置、デジタル情報再生装置、デジタル情報記録再生装置、デジタル情報記録方法、デジタル情報再生方法及びデジタル情報記録再生方法
US7558265B2 (en) * 2003-01-31 2009-07-07 Intel Corporation Methods and apparatus to limit transmission of data to a localized area
KR20050075877A (ko) * 2004-01-16 2005-07-25 삼성전자주식회사 데이터 재전송 장치 및 방법
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JP2006074686A (ja) * 2004-09-06 2006-03-16 Toshiba Corp チューナーモジュール、デジタル放送受信装置、およびデジタル放送番組コンテンツ保護方法
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JP4890779B2 (ja) * 2005-03-31 2012-03-07 セイコーインスツル株式会社 コンテンツの配信および取得方法、配信局装置、受信装置、およびコンテンツ取得方法
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CN1578460A (zh) * 2003-06-26 2005-02-09 索尼株式会社 信息处理系统、信息处理设备和方法、记录介质及程序
CN1863305A (zh) * 2003-06-26 2006-11-15 索尼株式会社 信息处理设备、信息处理方法和程序及记录介质
CN2653787Y (zh) * 2003-08-08 2004-11-03 上海东方上证数据通讯有限公司 上证信息接收机
CN2809715Y (zh) * 2005-05-17 2006-08-23 深圳市天敏科技发展有限公司 音视频处理装置

Also Published As

Publication number Publication date
CN101309391A (zh) 2008-11-19
US20080266466A1 (en) 2008-10-30
JP2008278122A (ja) 2008-11-13
JP5296327B2 (ja) 2013-09-25
US8068611B2 (en) 2011-11-29

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Granted publication date: 20120704

Termination date: 20190425

CF01 Termination of patent right due to non-payment of annual fee