DE69520030T2 - Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen - Google Patents

Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen

Info

Publication number
DE69520030T2
DE69520030T2 DE69520030T DE69520030T DE69520030T2 DE 69520030 T2 DE69520030 T2 DE 69520030T2 DE 69520030 T DE69520030 T DE 69520030T DE 69520030 T DE69520030 T DE 69520030T DE 69520030 T2 DE69520030 T2 DE 69520030T2
Authority
DE
Germany
Prior art keywords
decoding
reception
transmission
data streams
audiovisual data
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
DE69520030T
Other languages
English (en)
Other versions
DE69520030D1 (de
Inventor
Giovanni Baronetti
Marco Gandini
Giovanni Ghigo
Lago Stefano Dal
Pierangelo Garino
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.)
Telecom Italia SpA
Original Assignee
Telecom 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 Telecom Italia SpA filed Critical Telecom Italia SpA
Application granted granted Critical
Publication of DE69520030D1 publication Critical patent/DE69520030D1/de
Publication of DE69520030T2 publication Critical patent/DE69520030T2/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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
    • 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
    • H04N21/2368—Multiplexing of audio 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]
    • H04N21/20—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]
    • H04N21/40—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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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
    • H04N21/4341—Demultiplexing of audio and video streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69520030T 1994-12-23 1995-12-21 Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen Expired - Lifetime DE69520030T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94TO001068A IT1268196B1 (it) 1994-12-23 1994-12-23 Dispositivo per la ricetrasmissione e decodifica di sequenze audiovisivi compresse.

Publications (2)

Publication Number Publication Date
DE69520030D1 DE69520030D1 (de) 2001-03-08
DE69520030T2 true DE69520030T2 (de) 2001-06-21

Family

ID=11413006

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69520030T Expired - Lifetime DE69520030T2 (de) 1994-12-23 1995-12-21 Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen
DE0719050T Pending DE719050T1 (de) 1994-12-23 1995-12-21 Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0719050T Pending DE719050T1 (de) 1994-12-23 1995-12-21 Vorrichtung zur Übertragung, zum Empfang und zur Dekodierung von komprimierten audiovisuellen Datenströmen

Country Status (9)

Country Link
US (1) US5684804A (de)
EP (1) EP0719050B1 (de)
JP (1) JP2876395B2 (de)
CA (1) CA2166040C (de)
DE (2) DE69520030T2 (de)
DK (1) DK0719050T3 (de)
GR (2) GR990300014T1 (de)
IT (1) IT1268196B1 (de)
PT (1) PT719050E (de)

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JP4297518B2 (ja) * 1995-03-06 2009-07-15 沖電気工業株式会社 音声・ビデオ復号装置
FR2743248B1 (fr) * 1995-12-29 1998-03-20 Sgs Thomson Microelectronics Dispositif de demultiplexage d'informations codees selon une norme mpeg
KR100192504B1 (ko) * 1996-01-05 1999-06-15 구자홍 엠펙2 트랜스포트 디코더의 데이타 입출력장치
US6055271A (en) * 1996-01-18 2000-04-25 Sony Corporation Signal encoding method and apparatus and signal transmission method and apparatus involving the use of a number of pseudo access units
JP3130464B2 (ja) * 1996-02-02 2001-01-31 ローム株式会社 データ復号装置
KR19980073528A (ko) * 1997-03-15 1998-11-05 구자홍 엠펙시스템 복호기장치
EP0914636A4 (de) * 1997-04-07 2008-07-30 At & T Corp System und verfahren zur verarbeitung von objektbasierter audio-visueller information
US5949784A (en) * 1997-05-01 1999-09-07 3Com Corporation Forwarding mechanism for multi-destination packets to minimize per packet scheduling overhead in a network forwarding engine
US6191822B1 (en) * 1997-06-20 2001-02-20 Sony Corporation Method of and apparatus for separating audio and video data from a combined audio/video stream of data
US6128313A (en) * 1997-09-11 2000-10-03 Cisco Technology, Inc. Apparatus and method for filtering line noise and improper packet formatting
JPH11112972A (ja) * 1997-09-30 1999-04-23 Matsushita Electric Ind Co Ltd 複合化処理量情報の抽出装置および方法
US6654931B1 (en) 1998-01-27 2003-11-25 At&T Corp. Systems and methods for playing, browsing and interacting with MPEG-4 coded audio-visual objects
GB9802094D0 (en) * 1998-01-30 1998-03-25 Sgs Thomson Microelectronics Flexible filtering
GB9802093D0 (en) 1998-01-30 1998-03-25 Sgs Thomson Microelectronics Digital receiver demultiplexer
US6233389B1 (en) 1998-07-30 2001-05-15 Tivo, Inc. Multimedia time warping system
US7558472B2 (en) 2000-08-22 2009-07-07 Tivo Inc. Multimedia signal processing system
US6091742A (en) * 1998-08-17 2000-07-18 Gilant Satellite Networks Ltd. Bi-directional communications protocol
US6496233B1 (en) * 1999-01-06 2002-12-17 Sarnoff Corporation Command and control architecture for a video decoder and an audio decoder
JP3715533B2 (ja) * 1999-02-05 2005-11-09 株式会社東芝 ストリーム情報の情報記憶媒体、その記録方法、再生方法、記録装置および再生装置
EP1041566B1 (de) 1999-03-12 2003-05-21 Matsushita Electric Industrial Co., Ltd. Optische Platte, Wiedergabegerät, Wiedergabeverfahren und Aufzeichnungsmedium
US6690683B1 (en) * 1999-11-23 2004-02-10 International Business Machines Corporation Method and apparatus for demultiplexing a shared data channel into a multitude of separate data streams, restoring the original CBR
US6741292B1 (en) * 2000-11-06 2004-05-25 Koninklijke Philips Electronics N.V. System and method for a baseband digital television
US20030023730A1 (en) * 2001-07-27 2003-01-30 Michael Wengrovitz Multiple host arrangement for multimedia sessions using session initiation protocol (SIP) communication
US20040017831A1 (en) * 2002-04-05 2004-01-29 Jian Shen System and method for processing SI data from multiple input transport streams
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
US7450617B2 (en) * 2003-08-14 2008-11-11 Broadcom Corporation System and method for demultiplexing video signals
US7817721B2 (en) * 2003-05-15 2010-10-19 Lsi Corporation Posting status data in digital transport stream processing
US7672573B2 (en) * 2004-05-13 2010-03-02 Sunplus Technology Co., Ltd. Shared memory architecture and method in an optical storage and recording system
US8032360B2 (en) * 2004-05-13 2011-10-04 Broadcom Corporation System and method for high-quality variable speed playback of audio-visual media
CN100358363C (zh) * 2004-05-19 2007-12-26 深圳市富来科技有限公司 大容量数字视频广播多节目传输流传输系统及其方法
KR100710383B1 (ko) * 2005-05-09 2007-04-23 엘지전자 주식회사 디지털 멀티미디어 방송 수신기능을 갖는 단말기 및 이를 이용한 디지털 스트림 데이터 디코딩 방법
US20090238069A1 (en) * 2008-03-19 2009-09-24 Himax Technologies Limited Device and method for controlling program stream flow
US20100002151A1 (en) * 2008-07-01 2010-01-07 Yang Pan Handheld media and communication device with a detachable projector
CN103297855B (zh) * 2012-03-02 2015-05-20 腾讯科技（深圳）有限公司 一种应用展示方法以及一种终端
CN111277348B (zh) * 2020-01-20 2022-03-18 杭州仁牧科技有限公司 一种多通道噪声分析系统及其分析方法

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WO1993015453A1 (en) * 1992-01-23 1993-08-05 Supermac Technology Personal computer apparatus for digital video and audio manipulation
JP3496725B2 (ja) * 1992-10-16 2004-02-16 ソニー株式会社 多重化データ分離装置
JP2785921B2 (ja) * 1992-10-21 1998-08-13 シャープ株式会社 光メモリ読み出し装置用の半導体レーザ駆動回路
CN1125491A (zh) * 1993-04-16 1996-06-26 数据翻译公司 计算机的视频外围设备
US5481563A (en) * 1994-03-14 1996-01-02 Network Systems Corporation Jitter measurement using a statistically locked loop
US5559999A (en) * 1994-09-09 1996-09-24 Lsi Logic Corporation MPEG decoding system including tag list for associating presentation time stamps with encoded data units

Also Published As

Publication number Publication date
PT719050E (pt) 2001-07-31
US5684804A (en) 1997-11-04
JPH0923424A (ja) 1997-01-21
ITTO941068A1 (it) 1996-06-23
EP0719050B1 (de) 2001-01-31
GR990300014T1 (en) 1999-05-28
EP0719050A2 (de) 1996-06-26
ITTO941068A0 (it) 1994-12-23
CA2166040C (en) 1999-12-21
EP0719050A3 (de) 1999-01-13
DK0719050T3 (da) 2001-05-21
GR3035793T3 (en) 2001-07-31
IT1268196B1 (it) 1997-02-21
JP2876395B2 (ja) 1999-03-31
CA2166040A1 (en) 1996-06-24
DE69520030D1 (de) 2001-03-08
DE719050T1 (de) 1999-06-10

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Legal Events

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8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN