BR9708663A - Sistema de difusão digital de vídeo - Google Patents

Sistema de difusão digital de vídeo

Info

Publication number
BR9708663A
BR9708663A BR9708663-0A BR9708663A BR9708663A BR 9708663 A BR9708663 A BR 9708663A BR 9708663 A BR9708663 A BR 9708663A BR 9708663 A BR9708663 A BR 9708663A
Authority
BR
Brazil
Prior art keywords
digital video
broadcasting system
video broadcasting
digital
video
Prior art date
Application number
BR9708663-0A
Other languages
English (en)
Inventor
Nicholas Thexton
Martin Gold
Yorai Feldman
Original Assignee
Nds Ltd
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 Nds Ltd filed Critical Nds Ltd
Publication of BR9708663A publication Critical patent/BR9708663A/pt

Links

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
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • 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
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • 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
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
    • H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
    • 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
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/2625—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for delaying content or additional data distribution, e.g. because of an extended sport event
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
BR9708663-0A 1996-04-15 1997-04-15 Sistema de difusão digital de vídeo BR9708663A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1546096P 1996-04-15 1996-04-15
PCT/GB1997/001025 WO1997039582A1 (en) 1996-04-15 1997-04-15 Digital video broadcast system

Publications (1)

Publication Number Publication Date
BR9708663A true BR9708663A (pt) 1999-08-03

Family

ID=21771543

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9708663-0A BR9708663A (pt) 1996-04-15 1997-04-15 Sistema de difusão digital de vídeo

Country Status (10)

Country Link
EP (1) EP0894401B1 (pt)
JP (1) JP2000509216A (pt)
CN (1) CN1093720C (pt)
AU (1) AU736044B2 (pt)
BR (1) BR9708663A (pt)
CA (1) CA2247632A1 (pt)
DE (1) DE69706667T2 (pt)
ES (1) ES2162271T3 (pt)
IL (1) IL126551A (pt)
WO (1) WO1997039582A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11196342A (ja) * 1997-12-26 1999-07-21 Matsushita Electric Ind Co Ltd 送出装置および端末
EP0964573A1 (en) * 1998-06-11 1999-12-15 THOMSON multimedia Method and apparatus for enlarging DVB-CI functionality by enabling a direct access to the Conditional Access Module
JP2000115102A (ja) * 1998-08-07 2000-04-21 Matsushita Electric Ind Co Ltd 番組放送システム
EP1049278A1 (en) * 1999-04-30 2000-11-02 Sony International (Europe) GmbH Broadcast API - an application programming interface for accessing information services provided by a broadcast system
CN100364318C (zh) * 2005-04-07 2008-01-23 北京北大方正电子有限公司 一种视频信号精确控制的方法
KR101469977B1 (ko) * 2008-01-29 2014-12-10 삼성전자주식회사 디지털 비디오 방송 시스템에서 프리앰블 송수신 장치 및방법
CN103873739B (zh) * 2014-03-14 2017-10-17 中央电视台 多设备协同控制方法及设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2121151A1 (en) * 1993-04-16 1994-10-17 Trevor Lambert Method and apparatus for automatic insertion of a television signal from a remote source
US5515098A (en) * 1994-09-08 1996-05-07 Carles; John B. System and method for selectively distributing commercial messages over a communications network

Also Published As

Publication number Publication date
JP2000509216A (ja) 2000-07-18
IL126551A0 (en) 1999-08-17
CN1093720C (zh) 2002-10-30
DE69706667D1 (de) 2001-10-18
ES2162271T3 (es) 2001-12-16
CN1216197A (zh) 1999-05-05
IL126551A (en) 2003-03-12
DE69706667T2 (de) 2002-06-20
EP0894401B1 (en) 2001-09-12
AU2517597A (en) 1997-11-07
EP0894401A1 (en) 1999-02-03
AU736044B2 (en) 2001-07-26
WO1997039582A1 (en) 1997-10-23
CA2247632A1 (en) 1997-10-23

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
HHFG Granted patent or certificate of addition of invention: rectification

Free format text: REF. RPI 1674 DE 20030204 - ITEM (72)

B24D Patent annual fee: restoration after fee payment
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]