DE68924764T2 - System zum Multiplexieren von Paketen bei der Übertragung von mittels des gleichen Algorithmus erzeugten Datenflüssen. - Google Patents

System zum Multiplexieren von Paketen bei der Übertragung von mittels des gleichen Algorithmus erzeugten Datenflüssen.

Info

Publication number
DE68924764T2
DE68924764T2 DE68924764T DE68924764T DE68924764T2 DE 68924764 T2 DE68924764 T2 DE 68924764T2 DE 68924764 T DE68924764 T DE 68924764T DE 68924764 T DE68924764 T DE 68924764T DE 68924764 T2 DE68924764 T2 DE 68924764T2
Authority
DE
Germany
Prior art keywords
transmission
data flows
same algorithm
flows generated
multiplexing packets
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE68924764T
Other languages
English (en)
Other versions
DE68924764D1 (de
Inventor
Silvio Cucchi
Marzio Barbero
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Italia SpA
Original Assignee
Alcatel Italia SpA
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 Alcatel Italia SpA filed Critical Alcatel Italia SpA
Publication of DE68924764D1 publication Critical patent/DE68924764D1/de
Application granted granted Critical
Publication of DE68924764T2 publication Critical patent/DE68924764T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N21/238—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
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE68924764T 1988-12-21 1989-12-01 System zum Multiplexieren von Paketen bei der Übertragung von mittels des gleichen Algorithmus erzeugten Datenflüssen. Expired - Lifetime DE68924764T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8823036A IT1228109B (it) 1988-12-21 1988-12-21 Sistema e dispositivo di premultiplazione a pacchetto per trasmissione di piu' flussi dati generati da un unico algoritmo

Publications (2)

Publication Number Publication Date
DE68924764D1 DE68924764D1 (de) 1995-12-14
DE68924764T2 true DE68924764T2 (de) 1996-07-11

Family

ID=11203133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924764T Expired - Lifetime DE68924764T2 (de) 1988-12-21 1989-12-01 System zum Multiplexieren von Paketen bei der Übertragung von mittels des gleichen Algorithmus erzeugten Datenflüssen.

Country Status (5)

Country Link
US (1) US4970590A (de)
EP (1) EP0374548B1 (de)
JP (1) JP3011338B2 (de)
DE (1) DE68924764T2 (de)
IT (1) IT1228109B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0441168T3 (da) * 1990-02-06 1996-11-18 Alcatel Italia System, pakkestruktur og indretning til at behandle udgående information fra en signalindkoder
JPH04117882A (ja) * 1990-09-07 1992-04-17 Matsushita Electric Ind Co Ltd 動画像符号化装置
USRE35093E (en) * 1990-12-03 1995-11-21 The Trustees Of Columbia University In The City Of New York Systems and methods for coding even fields of interlaced video sequences
US5193004A (en) * 1990-12-03 1993-03-09 The Trustees Of Columbia University In The City Of New York Systems and methods for coding even fields of interlaced video sequences
US5289276A (en) * 1992-06-19 1994-02-22 General Electric Company Method and apparatus for conveying compressed video data over a noisy communication channel
US5442626A (en) * 1993-08-24 1995-08-15 At&T Corp. Digital communications system with symbol multiplexers
US5376969A (en) * 1993-11-15 1994-12-27 Rca Thomson Licensing Corporation Method and apparatus for conveying compressed video data over a noisy communication channel
WO1997038453A1 (en) * 1996-04-11 1997-10-16 Philips Electronics N.V. Accumulator device for an electric and/or electronic apparatus
WO1997046024A2 (en) 1996-05-30 1997-12-04 Philips Electronics N.V. Communication method between stations
US6351471B1 (en) * 1998-01-14 2002-02-26 Skystream Networks Inc. Brandwidth optimization of video program bearing transport streams
US6351474B1 (en) * 1998-01-14 2002-02-26 Skystream Networks Inc. Network distributed remultiplexer for video program bearing transport streams
US8880709B2 (en) 2001-09-12 2014-11-04 Ericsson Television Inc. Method and system for scheduled streaming of best effort data
US20040268209A1 (en) * 2003-04-22 2004-12-30 Apoorv Srivastava Concatenated iterative forward error correction codes
US7693222B2 (en) * 2003-08-13 2010-04-06 Ericsson Television Inc. Method and system for re-multiplexing of content-modified MPEG-2 transport streams using PCR interpolation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029190A1 (de) * 1980-08-01 1982-03-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Pseudobewegtbilduebertragungssystem
NL8600980A (nl) * 1986-04-18 1987-11-16 Philips Nv Werkwijze voor het overdragen van update informatie voor een stilstaand videobeeld.
JPH0624341B2 (ja) * 1986-12-18 1994-03-30 三菱電機株式会社 マルチメディアデータ伝送方式
GB8722394D0 (en) * 1987-09-23 1987-10-28 British Telecomm Video coder

Also Published As

Publication number Publication date
EP0374548B1 (de) 1995-11-08
US4970590A (en) 1990-11-13
JP3011338B2 (ja) 2000-02-21
IT8823036A0 (it) 1988-12-21
DE68924764D1 (de) 1995-12-14
JPH02271729A (ja) 1990-11-06
EP0374548A2 (de) 1990-06-27
EP0374548A3 (en) 1990-12-12
IT1228109B (it) 1991-05-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition