JP2011160480A - パケット化トランスポート・ストリームの処理方法 - Google Patents
パケット化トランスポート・ストリームの処理方法 Download PDFInfo
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- JP2011160480A JP2011160480A JP2011106451A JP2011106451A JP2011160480A JP 2011160480 A JP2011160480 A JP 2011160480A JP 2011106451 A JP2011106451 A JP 2011106451A JP 2011106451 A JP2011106451 A JP 2011106451A JP 2011160480 A JP2011160480 A JP 2011160480A
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- 238000012545 processing Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
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- 230000015654 memory Effects 0.000 description 103
- 238000001514 detection method Methods 0.000 description 13
- 230000004044 response Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 5
- 230000001143 conditioned effect Effects 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 5
- 238000007726 management method Methods 0.000 description 5
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- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
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- 238000013479 data entry Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
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- 230000000246 remedial effect Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
- 230000003936 working memory Effects 0.000 description 1
Images
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
-
- 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
- H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
-
- 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]
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
- H04N21/4405—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 decryption
-
- 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
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/165—Centralised control of user terminal ; Registering at central
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Television Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Storage Device Security (AREA)
Abstract
【解決手段】本装置は、条件付きアクセス・ペイロード・ヘッダと残りの権利付与データのペイロードを含むペイロードを有する信号パケットを選択するパケット・トランスポート・プロセッサを含む。各ペイロード・ヘッダは、受信機が権利付与データを処理することを可能または不能にするように符号化されるバイトのグループを含む。加入者固有の条件付きアクセス・コード・ワードで予めプログラムされたフィルタは、加入者固有の条件付きアクセス・コード・ワードと一致させるために条件付きアクセス・ヘッダのそれぞれのバイトのグルーピングを検査する。一致が生じる場合、プロセッサは権利付与データを処理する。権利付与は伝送信号の暗号解読部のための暗号解読キーを生成するために利用される。
【選択図】図3
Description
1)EECデータ書き込み;
2)アプリケーション・デバイス読み出し/マイクロプロセッサ読み出し/書き込み;
3)FECデータ書き込み;
4)マイクロプロセッサ読み出し/書き込み;
および
FECがデータ供給していない場合
1)スマート・カード読み出し/書き込み;
2)アプリケーション・デバイス置読み出し/マイクロプロセッサ読み出し/書き込み;
3)スマート・カード読み出し/書き込み;
4)マイクロプロセッサ読み出し/書き込み。
である。
12 FEC
13 プログラマブルSCIDレジスタ
15 SCID一致検出
16 暗号解読器
30 Eコード・デコーダ
31 スマート・カード
Claims (1)
- パケット化トランスポート・ストリームを処理する方法であって、
複数のトランスポート・パケットからなるパケット化トランスポート・ストリームを受信するステップと、
前記パケット化トランスポート・ストリーム内の、プログラムとパケット識別子との関係を示すデータに基づいて、選択されたビデオ・プログラムと関連するトランスポート・パケットを識別するための前記パケット識別子を割り出すステップと、
前記パケット識別子との一致検出器をプログラムするステップと、
前記プログラムされた一致検出器を用いて前記パケット化トランスポート・ストリームを解析し、前記パケット識別子に応じて、所望の一連のトランスポート・パケットを特定して取得するステップと、
前記取得した一連のトランスポート・パケットの各々のパケットの中で、前記トランスポート・パケットのエラー情報を提供する1ビットのトグル部を検出するステップと、
前記1ビットのトグル部の状態に応じて前記トランスポート・パケットに特定のタイプのエラーが存在するかどうかを判定するステップと、
前記選択されたビデオ・プログラムに関連付けられたトランスポート・パケットのビデオ信号処理手段への経路を設定するステップと、
を含む、前記方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US232,794 | 1994-04-22 | ||
US08/232,794 US5619501A (en) | 1994-04-22 | 1994-04-22 | Conditional access filter as for a packet video signal inverse transport system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011090739A Division JP4953262B2 (ja) | 1994-04-22 | 2011-04-15 | パケット化トランスポート・ストリームの処理装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011128120A Division JP5182967B2 (ja) | 1994-04-22 | 2011-06-08 | パケット化トランスポート・ストリームの処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011160480A true JP2011160480A (ja) | 2011-08-18 |
JP5182966B2 JP5182966B2 (ja) | 2013-04-17 |
Family
ID=22874615
Family Applications (26)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52763595A Expired - Lifetime JP4316008B2 (ja) | 1994-04-22 | 1995-03-15 | 条件付きアクセス情報アレンジメント |
JP2007276897A Expired - Lifetime JP4122370B2 (ja) | 1994-04-22 | 2007-10-24 | 条件付きアクセス情報アレンジメント |
JP2008140240A Expired - Lifetime JP4535344B2 (ja) | 1994-04-22 | 2008-05-29 | パケット化トランスポート・ストリームを処理する方法 |
JP2008140239A Expired - Lifetime JP4404271B2 (ja) | 1994-04-22 | 2008-05-29 | パケット化トランスポート・ストリームを処理する方法 |
JP2009131758A Granted JP2009194935A (ja) | 1994-04-22 | 2009-06-01 | 条件付きアクセス情報アレンジメント |
JP2009219983A Expired - Lifetime JP4420298B2 (ja) | 1994-04-22 | 2009-09-25 | パケット化データ・ストリームの処理方法 |
JP2009220003A Expired - Lifetime JP4458438B2 (ja) | 1994-04-22 | 2009-09-25 | パケット化データ・ストリームの処理方法 |
JP2009222719A Expired - Lifetime JP4475475B2 (ja) | 1994-04-22 | 2009-09-28 | パケット化データ・ストリームの処理方法 |
JP2009244330A Expired - Lifetime JP4475476B2 (ja) | 1994-04-22 | 2009-10-23 | パケット化データ・ストリームの処理方法 |
JP2009263848A Expired - Lifetime JP4582670B2 (ja) | 1994-04-22 | 2009-11-19 | パケット化データ・ストリームの処理方法 |
JP2010005763A Expired - Lifetime JP5131867B2 (ja) | 1994-04-22 | 2010-01-14 | パケット化データ・ストリームの処理方法 |
JP2010107049A Expired - Lifetime JP4748623B2 (ja) | 1994-04-22 | 2010-05-07 | パケット化トランスポート・ストリームの生成および送信の方法 |
JP2011037097A Expired - Lifetime JP5331140B2 (ja) | 1994-04-22 | 2011-02-23 | パケット化トランスポート・ストリームの処理方法 |
JP2011037093A Expired - Lifetime JP4863328B2 (ja) | 1994-04-22 | 2011-02-23 | パケット化トランスポート・ストリームの処理方法 |
JP2011062731A Expired - Lifetime JP5131874B2 (ja) | 1994-04-22 | 2011-03-22 | パケット化トランスポート・ストリームの処理装置 |
JP2011090739A Expired - Lifetime JP4953262B2 (ja) | 1994-04-22 | 2011-04-15 | パケット化トランスポート・ストリームの処理装置 |
JP2011106451A Expired - Lifetime JP5182966B2 (ja) | 1994-04-22 | 2011-05-11 | パケット化トランスポート・ストリームの処理方法 |
JP2011128120A Expired - Lifetime JP5182967B2 (ja) | 1994-04-22 | 2011-06-08 | パケット化トランスポート・ストリームの処理装置 |
JP2011149984A Expired - Lifetime JP5182969B2 (ja) | 1994-04-22 | 2011-07-06 | パケット化トランスポート・ストリームの処理方法 |
JP2012264843A Expired - Lifetime JP5441134B2 (ja) | 1994-04-22 | 2012-12-04 | パケット化データ・ストリームの処理方法 |
JP2013219827A Expired - Lifetime JP5574463B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219826A Expired - Lifetime JP5441140B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219825A Expired - Lifetime JP5441139B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219824A Expired - Lifetime JP5574462B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219828A Pending JP2014045502A (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理装置 |
JP2013219823A Expired - Lifetime JP5441138B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
Family Applications Before (16)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52763595A Expired - Lifetime JP4316008B2 (ja) | 1994-04-22 | 1995-03-15 | 条件付きアクセス情報アレンジメント |
JP2007276897A Expired - Lifetime JP4122370B2 (ja) | 1994-04-22 | 2007-10-24 | 条件付きアクセス情報アレンジメント |
JP2008140240A Expired - Lifetime JP4535344B2 (ja) | 1994-04-22 | 2008-05-29 | パケット化トランスポート・ストリームを処理する方法 |
JP2008140239A Expired - Lifetime JP4404271B2 (ja) | 1994-04-22 | 2008-05-29 | パケット化トランスポート・ストリームを処理する方法 |
JP2009131758A Granted JP2009194935A (ja) | 1994-04-22 | 2009-06-01 | 条件付きアクセス情報アレンジメント |
JP2009219983A Expired - Lifetime JP4420298B2 (ja) | 1994-04-22 | 2009-09-25 | パケット化データ・ストリームの処理方法 |
JP2009220003A Expired - Lifetime JP4458438B2 (ja) | 1994-04-22 | 2009-09-25 | パケット化データ・ストリームの処理方法 |
JP2009222719A Expired - Lifetime JP4475475B2 (ja) | 1994-04-22 | 2009-09-28 | パケット化データ・ストリームの処理方法 |
JP2009244330A Expired - Lifetime JP4475476B2 (ja) | 1994-04-22 | 2009-10-23 | パケット化データ・ストリームの処理方法 |
JP2009263848A Expired - Lifetime JP4582670B2 (ja) | 1994-04-22 | 2009-11-19 | パケット化データ・ストリームの処理方法 |
JP2010005763A Expired - Lifetime JP5131867B2 (ja) | 1994-04-22 | 2010-01-14 | パケット化データ・ストリームの処理方法 |
JP2010107049A Expired - Lifetime JP4748623B2 (ja) | 1994-04-22 | 2010-05-07 | パケット化トランスポート・ストリームの生成および送信の方法 |
JP2011037097A Expired - Lifetime JP5331140B2 (ja) | 1994-04-22 | 2011-02-23 | パケット化トランスポート・ストリームの処理方法 |
JP2011037093A Expired - Lifetime JP4863328B2 (ja) | 1994-04-22 | 2011-02-23 | パケット化トランスポート・ストリームの処理方法 |
JP2011062731A Expired - Lifetime JP5131874B2 (ja) | 1994-04-22 | 2011-03-22 | パケット化トランスポート・ストリームの処理装置 |
JP2011090739A Expired - Lifetime JP4953262B2 (ja) | 1994-04-22 | 2011-04-15 | パケット化トランスポート・ストリームの処理装置 |
Family Applications After (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011128120A Expired - Lifetime JP5182967B2 (ja) | 1994-04-22 | 2011-06-08 | パケット化トランスポート・ストリームの処理装置 |
JP2011149984A Expired - Lifetime JP5182969B2 (ja) | 1994-04-22 | 2011-07-06 | パケット化トランスポート・ストリームの処理方法 |
JP2012264843A Expired - Lifetime JP5441134B2 (ja) | 1994-04-22 | 2012-12-04 | パケット化データ・ストリームの処理方法 |
JP2013219827A Expired - Lifetime JP5574463B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219826A Expired - Lifetime JP5441140B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219825A Expired - Lifetime JP5441139B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219824A Expired - Lifetime JP5574462B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
JP2013219828A Pending JP2014045502A (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理装置 |
JP2013219823A Expired - Lifetime JP5441138B2 (ja) | 1994-04-22 | 2013-10-23 | パケット化トランスポート・ストリームの処理方法 |
Country Status (14)
Country | Link |
---|---|
US (4) | US5619501A (ja) |
EP (2) | EP0858222B1 (ja) |
JP (26) | JP4316008B2 (ja) |
KR (3) | KR100384212B1 (ja) |
CN (3) | CN1158871C (ja) |
CA (1) | CA2188127C (ja) |
DE (1) | DE69505369T2 (ja) |
ES (2) | ES2123243T3 (ja) |
HK (2) | HK1005403A1 (ja) |
MX (1) | MX9604992A (ja) |
MY (2) | MY113950A (ja) |
SG (1) | SG71707A1 (ja) |
TW (1) | TW237582B (ja) |
WO (1) | WO1995029560A1 (ja) |
Families Citing this family (133)
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US6292568B1 (en) | 1966-12-16 | 2001-09-18 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
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US7168084B1 (en) | 1992-12-09 | 2007-01-23 | Sedna Patent Services, Llc | Method and apparatus for targeting virtual objects |
US5619501A (en) * | 1994-04-22 | 1997-04-08 | Thomson Consumer Electronics, Inc. | Conditional access filter as for a packet video signal inverse transport system |
DE69522924T2 (de) * | 1994-10-11 | 2002-04-11 | Koninkl Philips Electronics Nv | Verfahren und anordnung zur übertragung eines interaktiven audiovisuellen programms |
US7224798B2 (en) | 1995-04-03 | 2007-05-29 | Scientific-Atlanta, Inc. | Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system |
US6937729B2 (en) | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
US6252964B1 (en) | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services in a conditional access system |
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