ES2154275T3 - Aparato y metodo para comprimir señales de video, y aparato de sincronizacion. - Google Patents

Aparato y metodo para comprimir señales de video, y aparato de sincronizacion.

Info

Publication number
ES2154275T3
ES2154275T3 ES94106946T ES94106946T ES2154275T3 ES 2154275 T3 ES2154275 T3 ES 2154275T3 ES 94106946 T ES94106946 T ES 94106946T ES 94106946 T ES94106946 T ES 94106946T ES 2154275 T3 ES2154275 T3 ES 2154275T3
Authority
ES
Spain
Prior art keywords
layer
imputed
counter
clock
transport layer
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
ES94106946T
Other languages
English (en)
Inventor
Michael Scott Deiss
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of ES2154275T3 publication Critical patent/ES2154275T3/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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/181—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a numerical count result being used for locking the loop, the counter counting during fixed time intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • 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
    • H04N21/236—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
    • H04N21/23614—Multiplexing of additional data and video streams
    • 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • 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
    • H04N21/4348—Demultiplexing of additional data and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Communication Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Image Processing (AREA)
  • Color Television Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Television Systems (AREA)

Abstract

APARATO PARA DESARROLLAR SINCRONIZACION DE UNA CAPA INTERMEDIA DE SEÑAL TAL COMO LA CAPA DE TRANSPORTE O MULTIPLEX DE UNA SEÑAL DE VIDEO COMPRIMIDA MULTI-CAPA, INCLUYE EN EL TERMINAL CODIFICADOR DEL SISTEMA UN MODULO DE CONTADOR K (23) QUE ES TEMPORIZADO EN RESPUESTA A UN RELOJ (22) DE SISTEMA, Y LA VALORACION IMPUTADA ES INCLUIDA (13) EN LA SEÑAL DE LA CAPA DE TRANSPORTE DE ACUERDO A UN PLAN PREDETERMINADO. EN EL TERMINAL DE RECEPCION DEL SISTEMA UN CONTADOR SIMILAR RESPONDE A UNA SEÑAL (26) CONTROLADA DE RELOJ RECEPTOR Y EL VALOR IMPUTADO DE SU CONTADOR ES MUESTREADO (18) A LA LLEGADA DE LOS VALORES IMPUTADOS INCLUIDOS EN LA CAPA DE TRANSPORTE. LAS DIFERENCIAS DE VALORES IMPUTADOS SUCESIVOS MUESTREADOS DEL CONTADOR RECEPTOR SON COMPARADOS CON LAS DIFERENCIAS DE VALORES SUCESIVOS CORRESPONDIENTES DE LOS VALORES IMPUTADOS INCLUIDOS EN LA CAPA DE TRANSPORTE PARA PROPORCIONAR UNA SEÑAL PARA CONTROL (27) DE LA SEÑAL DEL RELOJ RECEPTOR.
ES94106946T 1993-05-13 1994-05-04 Aparato y metodo para comprimir señales de video, y aparato de sincronizacion. Expired - Lifetime ES2154275T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/060,923 US5381181A (en) 1993-05-13 1993-05-13 Clock recovery apparatus as for a compressed video signal

Publications (1)

Publication Number Publication Date
ES2154275T3 true ES2154275T3 (es) 2001-04-01

Family

ID=22032581

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94106946T Expired - Lifetime ES2154275T3 (es) 1993-05-13 1994-05-04 Aparato y metodo para comprimir señales de video, y aparato de sincronizacion.

Country Status (12)

Country Link
US (1) US5381181A (es)
EP (1) EP0624982B1 (es)
JP (18) JP3645286B2 (es)
KR (1) KR100338222B1 (es)
CN (5) CN1087559C (es)
BR (1) BR9401963A (es)
DE (1) DE69426711T2 (es)
ES (1) ES2154275T3 (es)
HK (2) HK1063404A1 (es)
RU (1) RU2117411C1 (es)
SG (1) SG73957A1 (es)
TW (1) TW295762B (es)

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JP5961760B2 (ja) * 2012-08-22 2016-08-02 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． Ｍｐｅｇ−２トランスポートストリームにおけるｉｓｏ−ｂｍｆｆイベントボックスの搬送
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JP7330860B2 (ja) * 2019-10-30 2023-08-22 株式会社日立国際電気 データ伝送システム及びデータ伝送方法
CN110753202B (zh) * 2019-10-30 2021-11-30 广州河东科技有限公司 可视对讲系统的音视频同步方法、装置、设备及存储介质
KR102415309B1 (ko) * 2020-06-16 2022-07-01 에스케이하이닉스 주식회사 인터페이스 장치 및 그 동작 방법
CN112797882A (zh) * 2021-01-25 2021-05-14 无锡广联数字传感科技有限公司 一种防水型电子卡尺控制芯片

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Also Published As

Publication number Publication date
EP0624982B1 (en) 2001-02-21
CN1492683A (zh) 2004-04-28
JP2010193522A (ja) 2010-09-02
JP2010200338A (ja) 2010-09-09
JPH0746591A (ja) 1995-02-14
BR9401963A (pt) 1994-12-13
CN1182722C (zh) 2004-12-29
DE69426711T2 (de) 2001-06-07
EP0624982A2 (en) 1994-11-17
JP4688235B2 (ja) 2011-05-25
JP2006217657A (ja) 2006-08-17
JP4379826B2 (ja) 2009-12-09
JP2004350311A (ja) 2004-12-09
JP2011199891A (ja) 2011-10-06
JP4753325B2 (ja) 2011-08-24
JP4379824B2 (ja) 2009-12-09
CN1236620C (zh) 2006-01-11
JP2010154556A (ja) 2010-07-08
JP5366342B2 (ja) 2013-12-11
JP4688236B2 (ja) 2011-05-25
JP2008061272A (ja) 2008-03-13
JP2013110757A (ja) 2013-06-06
JP2008289174A (ja) 2008-11-27
TW295762B (es) 1997-01-11
CN1098838A (zh) 1995-02-15
CN1253007C (zh) 2006-04-19
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