HRP20000331A2 - Scrambling unit for a digital transmission system - Google Patents
Scrambling unit for a digital transmission system Download PDFInfo
- Publication number
- HRP20000331A2 HRP20000331A2 HR20000331A HRP20000331A HRP20000331A2 HR P20000331 A2 HRP20000331 A2 HR P20000331A2 HR 20000331 A HR20000331 A HR 20000331A HR P20000331 A HRP20000331 A HR P20000331A HR P20000331 A2 HRP20000331 A2 HR P20000331A2
- Authority
- HR
- Croatia
- Prior art keywords
- packet
- coding
- unit
- stream
- coding unit
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 65
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000012217 deletion Methods 0.000 claims description 4
- 230000037430 deletion Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013479 data entry Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- H04N21/23611—Insertion of stuffing data into a multiplex stream, e.g. to obtain a constant bitrate
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream 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]
- H04N21/20—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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream 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]
- H04N21/20—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]
- H04N21/20—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
- H04N21/26613—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 keys in general
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Time-Division Multiplex Systems (AREA)
- Communication Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97403150A EP0926894A1 (en) | 1997-12-23 | 1997-12-23 | Scrambling unit for a digital transmission system |
| PCT/IB1998/002139 WO1999033271A1 (en) | 1997-12-23 | 1998-12-23 | Scrambling unit for a digital transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20000331A2 true HRP20000331A2 (en) | 2000-12-31 |
Family
ID=8229936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR20000331A HRP20000331A2 (en) | 1997-12-23 | 2000-05-23 | Scrambling unit for a digital transmission system |
Country Status (17)
| Country | Link |
|---|---|
| EP (2) | EP0926894A1 (ja) |
| JP (1) | JP2001527350A (ja) |
| KR (1) | KR100666438B1 (ja) |
| CN (1) | CN1174619C (ja) |
| AU (1) | AU1777099A (ja) |
| BR (1) | BR9813618A (ja) |
| CA (1) | CA2311488A1 (ja) |
| HR (1) | HRP20000331A2 (ja) |
| HU (1) | HUP0101152A3 (ja) |
| ID (1) | ID24906A (ja) |
| IL (1) | IL136955A0 (ja) |
| NO (1) | NO20003247L (ja) |
| PL (1) | PL190503B1 (ja) |
| RU (1) | RU2212770C2 (ja) |
| TR (1) | TR200001921T2 (ja) |
| WO (1) | WO1999033271A1 (ja) |
| ZA (1) | ZA9811812B (ja) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6785258B1 (en) | 1999-06-23 | 2004-08-31 | At&T Wireless Services, Inc. | System and method for data scrambling to reduce the crest factor in an OFDM waveform |
| US6721957B1 (en) * | 1999-08-16 | 2004-04-13 | Georgia Tech Research Corporation | System and method for maximizing bandwidth efficiency in a digital video program stream |
| US6952480B1 (en) | 1999-09-20 | 2005-10-04 | Applied Micro Circuits Corporation | Self-synchronous data scrambler |
| DE19960295B4 (de) * | 1999-12-14 | 2012-06-21 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Anordnung zum Ändern des Informationsinhaltes eines digitalen Video-Transportstromes in ausgewählten Regionen |
| WO2001074083A1 (en) * | 2000-03-27 | 2001-10-04 | Koninklijke Philips Electronics N.V. | Method of inserting data of a second type into an input stream of a first type |
| US7165175B1 (en) * | 2000-09-06 | 2007-01-16 | Widevine Technologies, Inc. | Apparatus, system and method for selectively encrypting different portions of data sent over a network |
| AU2001290188A1 (en) * | 2000-09-29 | 2002-04-08 | Nagravision S.A. | Method for encrypting a formatted data set |
| US20020144260A1 (en) * | 2001-03-29 | 2002-10-03 | Koninklijke Philips Electronics N.V. | Method for adaptive data/content insertion in MPEG2 transport stream |
| US20020147990A1 (en) * | 2001-04-10 | 2002-10-10 | Koninklijke Philips Electronics N.V. | System and method for inserting video and audio packets into a video transport stream |
| US7895616B2 (en) | 2001-06-06 | 2011-02-22 | Sony Corporation | Reconstitution of program streams split across multiple packet identifiers |
| US7127619B2 (en) | 2001-06-06 | 2006-10-24 | Sony Corporation | Decoding and decryption of partially encrypted information |
| US7298849B2 (en) * | 2001-06-29 | 2007-11-20 | Intel Corporation | Method and apparatus for simultaneous encryption and decryption of publicly distributed media |
| KR100438518B1 (ko) * | 2001-12-27 | 2004-07-03 | 한국전자통신연구원 | 엠펙-4 장면 기술자를 이용한 엠펙-2 비디오의 특정 영역활성화 장치 및 그 방법 |
| US7155012B2 (en) | 2002-01-02 | 2006-12-26 | Sony Corporation | Slice mask and moat pattern partial encryption |
| US7765567B2 (en) | 2002-01-02 | 2010-07-27 | Sony Corporation | Content replacement by PID mapping |
| US8027470B2 (en) | 2002-01-02 | 2011-09-27 | Sony Corporation | Video slice and active region based multiple partial encryption |
| US8051443B2 (en) | 2002-01-02 | 2011-11-01 | Sony Corporation | Content replacement by PID mapping |
| US7292690B2 (en) | 2002-01-02 | 2007-11-06 | Sony Corporation | Video scene change detection |
| US7823174B2 (en) | 2002-01-02 | 2010-10-26 | Sony Corporation | Macro-block based content replacement by PID mapping |
| US7302059B2 (en) | 2002-01-02 | 2007-11-27 | Sony Corporation | Star pattern partial encryption |
| US7376233B2 (en) | 2002-01-02 | 2008-05-20 | Sony Corporation | Video slice and active region based multiple partial encryption |
| US6973579B2 (en) | 2002-05-07 | 2005-12-06 | Interdigital Technology Corporation | Generation of user equipment identification specific scrambling code for the high speed shared control channel |
| US8818896B2 (en) | 2002-09-09 | 2014-08-26 | Sony Corporation | Selective encryption with coverage encryption |
| US20060242324A1 (en) * | 2002-09-20 | 2006-10-26 | Akihiro Tanaka | Data replacement output apparatus and method |
| KR100888592B1 (ko) * | 2003-02-03 | 2009-03-16 | 삼성전자주식회사 | 방송신호 수신 장치 및 방법 |
| US7292692B2 (en) | 2003-03-25 | 2007-11-06 | Sony Corporation | Content scrambling with minimal impact on legacy devices |
| US7286667B1 (en) | 2003-09-15 | 2007-10-23 | Sony Corporation | Decryption system |
| JP4336957B2 (ja) * | 2003-09-30 | 2009-09-30 | 日本電気株式会社 | トランスポートストリームの暗号化装置及び編集装置並びにこれらの方法 |
| US7853980B2 (en) | 2003-10-31 | 2010-12-14 | Sony Corporation | Bi-directional indices for trick mode video-on-demand |
| KR100640390B1 (ko) * | 2004-01-17 | 2006-10-30 | 삼성전자주식회사 | 트랜스포트 스트림방식 엠펙-2 시스템의 부가 데이터 삽입 장치와 그 방법 |
| JP4542405B2 (ja) * | 2004-09-30 | 2010-09-15 | 株式会社ケンウッド | ベースバンド信号生成装置、ベースバンド信号生成方法及びプログラム |
| US7895617B2 (en) | 2004-12-15 | 2011-02-22 | Sony Corporation | Content substitution editor |
| US8041190B2 (en) | 2004-12-15 | 2011-10-18 | Sony Corporation | System and method for the creation, synchronization and delivery of alternate content |
| CA2595280C (en) | 2005-03-02 | 2013-11-19 | Rohde & Schwarz Gmbh & Co. Kg | Apparatus, systems and methods for providing enhancements to atsc networks using synchronous vestigial sideband (vsb) frame slicing |
| US8189786B2 (en) | 2005-05-25 | 2012-05-29 | Zenith Electronics Llc | Encryption system |
| KR100789382B1 (ko) * | 2005-12-09 | 2007-12-28 | 한국전자통신연구원 | 지상파 ｄｍｂ 비디오, 오디오, 부가 데이터의 제한수신 시스템 |
| ATE451791T1 (de) * | 2006-01-03 | 2009-12-15 | Irdeto Access Bv | Verfahren zur entschlüsselung eines verschlüsselten datenobjekts |
| US7555464B2 (en) | 2006-03-01 | 2009-06-30 | Sony Corporation | Multiple DRM management |
| EP2115911B1 (en) | 2007-02-01 | 2018-01-24 | Rohde & Schwarz GmbH & Co. KG | Improvement of synchronisation at the emission of atsc (advanced television systems committee) data packets |
| JP5242927B2 (ja) * | 2007-03-19 | 2013-07-24 | Ｎｅｃパーソナルコンピュータ株式会社 | コンテンツ配信装置 |
| DE102008017290A1 (de) | 2007-12-11 | 2009-06-18 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bildung eines gemeinsamen Datenstroms insbesondere nach dem ATSC-Standard |
| DE102007059959B4 (de) | 2007-12-12 | 2020-01-02 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Übertragung von Daten zwischen einer zentralen Rundfunkstation und mindestens einem Sender |
| CN101309120B (zh) * | 2008-04-17 | 2010-12-08 | 中兴通讯股份有限公司 | 一种终端获取解密解扰信息的方法及装置 |
| DE102008056703A1 (de) | 2008-07-04 | 2010-01-07 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Zeitsynchronisierung zwischen einer Zentrale und mehreren Sendern |
| US8355458B2 (en) | 2008-06-25 | 2013-01-15 | Rohde & Schwarz Gmbh & Co. Kg | Apparatus, systems, methods and computer program products for producing a single frequency network for ATSC mobile / handheld services |
| EP2154814A1 (en) * | 2008-08-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Scalable key distribution |
| DE102008059028B4 (de) | 2008-10-02 | 2021-12-02 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Verfahren und Vorrichtung zur Erzeugung eines Transportdatenstroms mit Bilddaten |
| MX2011004645A (es) | 2008-11-06 | 2011-05-30 | Rohde & Schwarz | Metodo y sistema para la asignacion sincronizada de paquetes de datos en un flujo de datos atsc. |
| EP2234357B1 (en) | 2009-03-21 | 2016-07-27 | Rohde & Schwarz GmbH & Co. KG | Method for improving the data rate of mobile data and the quality of channel estimation in an ATSC-M/H transport data stream |
| DE102009025219A1 (de) | 2009-04-07 | 2010-10-14 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur kontinuierlichen Anpassung von Kodierungsparametern an eine veränderliche Nutzdatenrate |
| DE102009057363B4 (de) * | 2009-10-16 | 2013-04-18 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur effizienten Übertragung von überregional und regional auszustrahlenden Programm-und Servicedaten |
| KR101138126B1 (ko) * | 2009-10-23 | 2012-04-23 | 에스케이플래닛 주식회사 | 디지털 방송 수신기의 수신 제한 시스템 및 방법 |
| FR2954985B1 (fr) * | 2010-01-05 | 2012-03-09 | Viaccess Sa | Procede de protection de contenus et de services multimedia |
| ATE557533T1 (de) * | 2010-03-05 | 2012-05-15 | Nagravision Sa | Verfahren zur steuerung des zugriffs auf eine mehrzahl von kanälen über einen empfänger/decoder |
| US8989021B2 (en) | 2011-01-20 | 2015-03-24 | Rohde & Schwarz Gmbh & Co. Kg | Universal broadband broadcasting |
| CN102131104A (zh) * | 2011-03-22 | 2011-07-20 | 中广传播集团有限公司 | 加扰业务的方法 |
| KR101233329B1 (ko) * | 2011-12-13 | 2013-02-14 | 전자부품연구원 | 디지털 방송 서비스를 위한 다중화기의 레이트 적응 장치 |
| WO2015078529A1 (en) * | 2013-11-29 | 2015-06-04 | Huawei Technologies Co., Ltd. | Transmission and receiving method in a wireless communication system |
| JP5741677B2 (ja) * | 2013-12-19 | 2015-07-01 | 株式会社ナカヨ | 通信装置および通信方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69622233T2 (de) * | 1995-09-05 | 2003-03-27 | Hitachi Ltd | Verfahren zur digitalen Zugangskontrolle |
-
1997
- 1997-12-23 EP EP97403150A patent/EP0926894A1/en not_active Withdrawn
-
1998
- 1998-12-23 WO PCT/IB1998/002139 patent/WO1999033271A1/en active IP Right Grant
- 1998-12-23 EP EP98962647A patent/EP1040663A1/en not_active Ceased
- 1998-12-23 RU RU2000119752/09A patent/RU2212770C2/ru not_active IP Right Cessation
- 1998-12-23 PL PL98341389A patent/PL190503B1/pl unknown
- 1998-12-23 BR BR9813618-6A patent/BR9813618A/pt not_active IP Right Cessation
- 1998-12-23 KR KR1020007006973A patent/KR100666438B1/ko not_active IP Right Cessation
- 1998-12-23 HU HU0101152A patent/HUP0101152A3/hu unknown
- 1998-12-23 CA CA002311488A patent/CA2311488A1/en not_active Abandoned
- 1998-12-23 ZA ZA9811812A patent/ZA9811812B/xx unknown
- 1998-12-23 TR TR2000/01921T patent/TR200001921T2/xx unknown
- 1998-12-23 ID IDW20001211A patent/ID24906A/id unknown
- 1998-12-23 JP JP2000526051A patent/JP2001527350A/ja active Pending
- 1998-12-23 IL IL13695598A patent/IL136955A0/xx unknown
- 1998-12-23 AU AU17770/99A patent/AU1777099A/en not_active Abandoned
- 1998-12-23 CN CNB98813778XA patent/CN1174619C/zh not_active Expired - Lifetime
-
2000
- 2000-05-23 HR HR20000331A patent/HRP20000331A2/hr not_active Application Discontinuation
- 2000-06-21 NO NO20003247A patent/NO20003247L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL190503B1 (pl) | 2005-12-30 |
| JP2001527350A (ja) | 2001-12-25 |
| AU1777099A (en) | 1999-07-12 |
| PL341389A1 (en) | 2001-04-09 |
| HUP0101152A3 (en) | 2003-04-28 |
| WO1999033271A1 (en) | 1999-07-01 |
| ZA9811812B (en) | 1999-08-17 |
| CN1285114A (zh) | 2001-02-21 |
| ID24906A (id) | 2000-08-31 |
| BR9813618A (pt) | 2000-10-17 |
| KR100666438B1 (ko) | 2007-01-09 |
| CN1174619C (zh) | 2004-11-03 |
| NO20003247D0 (no) | 2000-06-21 |
| EP1040663A1 (en) | 2000-10-04 |
| TR200001921T2 (tr) | 2000-12-21 |
| RU2212770C2 (ru) | 2003-09-20 |
| IL136955A0 (en) | 2001-06-14 |
| KR20010033472A (ko) | 2001-04-25 |
| HUP0101152A2 (hu) | 2001-07-30 |
| NO20003247L (no) | 2000-08-23 |
| CA2311488A1 (en) | 1999-07-01 |
| EP0926894A1 (en) | 1999-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1OB | Publication of a patent application | ||
| ARAI | Request for the grant of a patent on the basis of the submitted results of a substantive examination of a patent application | ||
| OBST | Application withdrawn |