ES2147651T3 - Metodo para transmitir y recibir señales comprimidas de television. - Google Patents

Metodo para transmitir y recibir señales comprimidas de television.

Info

Publication number
ES2147651T3
ES2147651T3 ES96921047T ES96921047T ES2147651T3 ES 2147651 T3 ES2147651 T3 ES 2147651T3 ES 96921047 T ES96921047 T ES 96921047T ES 96921047 T ES96921047 T ES 96921047T ES 2147651 T3 ES2147651 T3 ES 2147651T3
Authority
ES
Spain
Prior art keywords
network
continue
pause
receiver
signal
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
ES96921047T
Other languages
English (en)
Inventor
Cornelis Marinus Huizer
Lucas Marcus Werenfridus Karel
Frank Bosveld
Visser Pieter Jan De
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of ES2147651T3 publication Critical patent/ES2147651T3/es
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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • 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
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

LA INVENCION SE REFIERE A LA TRANSMISION DE SEÑALES DE TELEVISION CODIFICADAS EN FORMATO MPEG DE UN SERVIDOR DE VIDEO BAJO DEMANDA (1) A UN RECEPTOR (2) POR MEDIO DE UNA RED (3). LAS FUNCIONES DE REPRODUCCION NO LINEALES TALES COMO "PAUSA" Y "CONTINUACION" REQUIEREN UN CONTROL MUY EXACTO DE LA CORRIENTE DE BITS, TENIENDO EN CUENTA LOS ASPECTOS TIPICOS DE LA RED TALES COMO LA LATENCIA Y LA REMULTIPLEXACION DE LA RED. PARA PERMITIR QUE EL RECEPTOR CONTINUE CON LA REPRODUCCION DE LA SEÑAL DESPUES DE UNA PAUSA, SE INSERTAN ETIQUETAS DE POSICION (P; 5,6; 7A, 7B, 8A, 8B) DENTRO DE LA CORRIENTE DE BITS EN POSICIONES EN LAS QUE EL SERVIDOR PUEDE CONTINUAR CON LA TRANSMISION DE LA SEÑAL DESPUES DE UNA INTERRUPCION. DESPUES DE LA PETICION DE UNA PAUSA, EL DESCODIFICADOR CONTINUA INICIALMENTE LA REPRODUCCION HASTA QUE SE DETECTA LA ETIQUETA DE POSICION. LOS BITS SUBSECUENTES SUMINISTRADOS POR LA RED SON IGNORADOS, POR EJEMPLO SON DESECHADOS. DESPUES DE UNA PETICION DE CONTINUACION DE LA REPRODUCCION,EL RECEPTOR PIDE AL SERVIDOR QUE RETRANSMITA LA SEÑAL COMENZANDO EN LA POSICION DETECTADA.
ES96921047T 1995-07-21 1996-07-16 Metodo para transmitir y recibir señales comprimidas de television. Expired - Lifetime ES2147651T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95202019 1995-07-21

Publications (1)

Publication Number Publication Date
ES2147651T3 true ES2147651T3 (es) 2000-09-16

Family

ID=8220524

Family Applications (2)

Application Number Title Priority Date Filing Date
ES96921045T Expired - Lifetime ES2146006T3 (es) 1995-07-21 1996-07-16 Metodo para recibir señales de video comprimidas.
ES96921047T Expired - Lifetime ES2147651T3 (es) 1995-07-21 1996-07-16 Metodo para transmitir y recibir señales comprimidas de television.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES96921045T Expired - Lifetime ES2146006T3 (es) 1995-07-21 1996-07-16 Metodo para recibir señales de video comprimidas.

Country Status (11)

Country Link
US (3) US6751802B1 (es)
EP (2) EP0787406B1 (es)
JP (2) JP3894572B2 (es)
KR (2) KR100455497B1 (es)
CN (2) CN1113539C (es)
AU (2) AU708139B2 (es)
BR (2) BR9606534A (es)
DE (2) DE69606971T2 (es)
ES (2) ES2146006T3 (es)
MY (2) MY116662A (es)
WO (2) WO1997004584A2 (es)

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Also Published As

Publication number Publication date
EP0787405A2 (en) 1997-08-06
EP0787406A2 (en) 1997-08-06
CN1191652A (zh) 1998-08-26
ES2146006T3 (es) 2000-07-16
US20040210937A1 (en) 2004-10-21
AU6239096A (en) 1997-02-18
KR970706694A (ko) 1997-11-03
US6751802B1 (en) 2004-06-15
KR970706695A (ko) 1997-11-03
CN1113539C (zh) 2003-07-02
DE69606848T2 (de) 2000-11-02
CN1147149C (zh) 2004-04-21
EP0787405B1 (en) 2000-03-08
MY116662A (en) 2004-03-31
JPH11501786A (ja) 1999-02-09
KR100455496B1 (ko) 2004-12-30
EP0787406B1 (en) 2000-03-01
AU708139B2 (en) 1999-07-29
DE69606971D1 (de) 2000-04-13
BR9606535A (pt) 1999-05-25
WO1997004584A2 (en) 1997-02-06
JP3887019B2 (ja) 2007-02-28
AU704427B2 (en) 1999-04-22
MY116661A (en) 2004-03-31
KR100455497B1 (ko) 2004-12-30
US5873022A (en) 1999-02-16
JPH11500289A (ja) 1999-01-06
BR9606534A (pt) 1999-09-21
AU6238996A (en) 1997-02-18
WO1997004584A3 (en) 1998-04-30
WO1997004585A2 (en) 1997-02-06
JP3894572B2 (ja) 2007-03-22
CN1191653A (zh) 1998-08-26
DE69606848D1 (de) 2000-04-06
WO1997004585A3 (en) 1998-03-26
DE69606971T2 (de) 2000-10-05

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