CN1543193A - 视频同步 - Google Patents
视频同步 Download PDFInfo
- Publication number
- CN1543193A CN1543193A CNA2004100430684A CN200410043068A CN1543193A CN 1543193 A CN1543193 A CN 1543193A CN A2004100430684 A CNA2004100430684 A CN A2004100430684A CN 200410043068 A CN200410043068 A CN 200410043068A CN 1543193 A CN1543193 A CN 1543193A
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- CN
- China
- Prior art keywords
- clock
- processor
- local
- message
- network
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract 3
- 230000000737 periodic effect Effects 0.000 claims abstract 2
- 230000001360 synchronised effect Effects 0.000 claims description 28
- 230000001934 delay Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 241000238876 Acari Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
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
- H04N21/43—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (29)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0307459.8 | 2003-03-31 | ||
GB0307459A GB2400255A (en) | 2003-03-31 | 2003-03-31 | Video synchronisation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1543193A true CN1543193A (zh) | 2004-11-03 |
CN1297151C CN1297151C (zh) | 2007-01-24 |
Family
ID=9955924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100430684A Expired - Fee Related CN1297151C (zh) | 2003-03-31 | 2004-03-31 | 视频同步 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8073060B2 (zh) |
EP (1) | EP1471745B1 (zh) |
JP (1) | JP4528010B2 (zh) |
CN (1) | CN1297151C (zh) |
GB (1) | GB2400255A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102017574A (zh) * | 2008-04-30 | 2011-04-13 | 汤姆森许可贸易公司 | 分组交换网络中对同步通信设备的传递延迟补偿 |
CN102017645A (zh) * | 2008-04-21 | 2011-04-13 | 汤姆森许可贸易公司 | 与连接至网络的设备同步系统相关联的时间标签 |
CN102215327A (zh) * | 2010-04-09 | 2011-10-12 | 索尼公司 | 相机系统、相机设备、相机控制器和中继设备 |
CN102256128A (zh) * | 2011-07-12 | 2011-11-23 | 杭州华三通信技术有限公司 | 同步解码方法及其装置 |
CN107277295A (zh) * | 2017-06-22 | 2017-10-20 | 北京数码视讯科技股份有限公司 | 视频同步处理装置及方法 |
CN114598910A (zh) * | 2022-02-23 | 2022-06-07 | 中科芯集成电路有限公司 | 一种多路异源视频高精度时间同步回放控制方法 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2412825B (en) | 2004-03-31 | 2007-05-23 | Sony Uk Ltd | Packet-based video network |
US7512175B2 (en) * | 2005-03-16 | 2009-03-31 | Ibiquity Digital Corporation | Method for synchronizing exporter and exciter clocks |
US7995143B2 (en) | 2006-02-10 | 2011-08-09 | Qualcomm Incorporated | Wireless video link synchronization |
DE102006011126B4 (de) | 2006-03-08 | 2008-01-03 | Micronas Gmbh | Verfahren und Schaltung zum zeilenverkoppelten Erzeugen eines Taktes |
FR2898453A1 (fr) * | 2006-03-13 | 2007-09-14 | Thomson Licensing Sas | Transmission d'un signal genlock sur un reseau ip |
FR2911460A1 (fr) | 2007-01-16 | 2008-07-18 | Thomson Licensing Sas | Initialisation rapide de la base de temps video generant un signal de synchronisation dans un reseau a commutation par paquets |
CN101242258B (zh) * | 2007-02-06 | 2014-01-08 | 汤姆森许可贸易公司 | 产生计数器信号的设备及重构时钟信号的设备 |
US7865610B2 (en) | 2007-03-12 | 2011-01-04 | Nautel Limited | Point to multipoint reliable protocol for synchronous streaming data in a lossy IP network |
US20080298399A1 (en) * | 2007-06-01 | 2008-12-04 | Augusta Technology, Inc. | Methods for Synchronizing the Transmission and the Reception of a Media Stream Over a Network |
WO2008151996A1 (en) * | 2007-06-12 | 2008-12-18 | Thomson Licensing | Automatic compensation of a delay of a synchronization signal in a packet switching network |
FR2912854A1 (fr) * | 2007-06-12 | 2008-08-22 | Thomson Licensing Sas | Reduction d'une gigue d'un signal de synchronisation dans un reseau a commutation par paquets. |
EP2153664B1 (en) | 2007-06-12 | 2012-12-26 | Thomson Licensing | Improvement to the precision/speed compromise of a synchronization signal reception device |
TWI488505B (zh) * | 2007-06-12 | 2015-06-11 | Thomson Licensing | 能夠在封包通訊網路上發送封包之發送裝置以及接收封包之接收裝置 |
ATE506800T1 (de) * | 2007-08-10 | 2011-05-15 | Freescale Semiconductor Inc | Datenpakethäufigkeit |
JP2009065277A (ja) * | 2007-09-04 | 2009-03-26 | Kddi Corp | 情報収集装置、通信異常検知装置およびコンピュータプログラム |
FR2920941A1 (fr) * | 2007-09-07 | 2009-03-13 | Thomson Licensing Sas | Compensation fine d'une duree de transport de paquets pour une synchronisation d'equipements relies par un reseau ip |
FR2920942A1 (fr) * | 2007-09-07 | 2009-03-13 | Thomson Licensing Sas | Synchronisation d'equipements independante du standard du signal de synchronisation |
FR2920943A1 (fr) | 2007-09-07 | 2009-03-13 | Thomson Licensing Sas | Procede et dispositif de compsensation automatique d'un ecart de phase sur un signal de synchronisation recu par un equipement distant |
EP2046061A1 (en) * | 2007-10-04 | 2009-04-08 | SMSC Europe GmbH | Real-time video transmission system |
EP2150063A1 (en) | 2008-07-29 | 2010-02-03 | THOMSON Licensing | System for generation of a synchronization signal via stations connected via a packet switching network |
WO2010037916A1 (fr) * | 2008-10-03 | 2010-04-08 | Thomson Licensing | Synchronisation d'equipements independante du standard du signal de synchronisation |
CN101729180A (zh) * | 2008-10-21 | 2010-06-09 | 华为技术有限公司 | 精准时钟同步方法及系统、精准时钟频率/时间同步装置 |
FR2935578A1 (fr) * | 2008-11-10 | 2010-03-05 | Thomson Licensing | Systeme de transmission d'un signal de synchronisation |
KR101200070B1 (ko) * | 2008-11-28 | 2012-11-12 | 한국전자통신연구원 | 네트워크 시간표시정보를 삽입하거나 추출하기 위한 장치 및 방법 |
JP5369814B2 (ja) * | 2009-03-26 | 2013-12-18 | ソニー株式会社 | 受信装置および受信装置の時刻修正方法 |
JP4941500B2 (ja) * | 2009-04-17 | 2012-05-30 | 株式会社デンソー | ノード装置および車両ネットワークシステム |
JP5525032B2 (ja) * | 2009-07-22 | 2014-06-18 | トムソン ライセンシング | 主機器と従機器を含む同期制御システム及びその同期制御方法 |
EP2343845A3 (en) | 2009-12-31 | 2011-10-19 | Thomson Licensing | Precise compensation of video propagation duration |
CZ2010226A3 (cs) | 2010-03-26 | 2011-05-11 | CESNET, zájmové sdružení právnických osob | Zarízení pro príjem obrazového signálu s vysokým rozlišením prenášeného s malým zpoždením asynchronní paketovou pocítacovou sítí |
JP2011217062A (ja) * | 2010-03-31 | 2011-10-27 | Sony Corp | カメラシステム、信号遅延量調整方法及びプログラム |
JP5923847B2 (ja) | 2010-03-31 | 2016-05-25 | ソニー株式会社 | カメラシステム、信号遅延量調整方法及びプログラム |
JP5552918B2 (ja) | 2010-06-24 | 2014-07-16 | ソニー株式会社 | 接続設定方法、カメラシステム及び記憶媒体 |
FI123505B (fi) * | 2011-03-14 | 2013-06-14 | Tellabs Oy | Menetelmä ja laite kellosignaalilähteen ohjaamiseksi |
JP2013150152A (ja) | 2012-01-19 | 2013-08-01 | Sony Corp | 情報処理装置、情報処理方法、及び情報処理システム |
IN2014MN01430A (zh) | 2012-01-30 | 2015-07-03 | Sony Corp | |
WO2013154024A1 (ja) | 2012-04-13 | 2013-10-17 | ソニー株式会社 | 情報処理装置および方法、並びに、プログラム |
JPWO2013154025A1 (ja) | 2012-04-13 | 2015-12-17 | ソニー株式会社 | 情報処理装置および方法、並びに、プログラム |
CN105473052B (zh) * | 2014-06-23 | 2017-08-08 | 奥林巴斯株式会社 | 摄像装置以及内窥镜装置 |
US10129839B2 (en) * | 2014-12-05 | 2018-11-13 | Qualcomm Incorporated | Techniques for synchronizing timing of wireless streaming transmissions to multiple sink devices |
WO2021064859A1 (ja) * | 2019-10-01 | 2021-04-08 | オリンパス株式会社 | 撮像システムおよび内視鏡装置 |
JP2021190868A (ja) | 2020-05-29 | 2021-12-13 | キヤノン株式会社 | 映像同期装置、映像同期装置の制御方法及びプログラム |
CN112910592B (zh) * | 2021-02-22 | 2023-08-04 | 北京小米松果电子有限公司 | 时钟同步方法及装置、终端及存储介质 |
CN116193044B (zh) * | 2023-04-28 | 2023-08-15 | 深圳市微智体技术有限公司 | 多路图像帧同步显示的方法、装置、设备及介质 |
Family Cites Families (19)
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JPH0514399A (ja) * | 1991-07-03 | 1993-01-22 | Oki Electric Ind Co Ltd | 画像パケツト通信システム |
JP2861515B2 (ja) * | 1991-07-29 | 1999-02-24 | 日本電気株式会社 | パケット網における送受信間クロック同期方式及びクロック同期装置 |
US5486864A (en) * | 1993-05-13 | 1996-01-23 | Rca Thomson Licensing Corporation | Differential time code method and apparatus as for a compressed video signal |
US5467342A (en) * | 1994-01-12 | 1995-11-14 | Scientific-Atlanta, Inc. | Methods and apparatus for time stamp correction in an asynchronous transfer mode network |
AU8009294A (en) * | 1994-03-29 | 1995-10-17 | Scientific-Atlanta, Inc. | Method for preserving the original timebase of a program in a multiplexed communications system |
GB2305080A (en) * | 1995-09-11 | 1997-03-26 | Nat Transcommunications Ltd | Compensating for delays in a multiplexer |
JP3433071B2 (ja) * | 1997-10-29 | 2003-08-04 | 富士通株式会社 | クロック周波数同期装置 |
AUPP362498A0 (en) * | 1998-05-19 | 1998-06-11 | Curtin University Of Technology | Method and apparatus for transfer of real time signals over packet network |
FR2786964B1 (fr) * | 1998-12-03 | 2001-01-05 | Cit Alcatel | Procede et systeme pour asservir une frequence via un reseau de transmission asynchrone et reseau radiotelephonique incluant ce systeme |
JP3630601B2 (ja) * | 1999-12-24 | 2005-03-16 | 沖電気工業株式会社 | Ip端末装置、周波数誤差範囲推定方法、周波数差推定方法及び推定所要時間算出方法 |
US7031306B2 (en) * | 2000-04-07 | 2006-04-18 | Artel Video Systems, Inc. | Transmitting MPEG data packets received from a non-constant delay network |
US6963561B1 (en) * | 2000-12-15 | 2005-11-08 | Atrica Israel Ltd. | Facility for transporting TDM streams over an asynchronous ethernet network using internet protocol |
US7093275B2 (en) * | 2001-04-30 | 2006-08-15 | Cable Television Laboratories, Inc. | Synchronizing services across open cable and packet cable |
US7043651B2 (en) * | 2001-09-18 | 2006-05-09 | Nortel Networks Limited | Technique for synchronizing clocks in a network |
JP3932452B2 (ja) * | 2001-09-27 | 2007-06-20 | ソニー株式会社 | 通信装置および方法、並びにプログラム |
JP3802408B2 (ja) * | 2001-12-12 | 2006-07-26 | 株式会社安川電機 | ネットワークシステムの同期方法 |
US6906755B2 (en) * | 2002-01-04 | 2005-06-14 | Microsoft Corporation | Method and apparatus for synchronizing audio and video data |
GB2385684A (en) * | 2002-02-22 | 2003-08-27 | Sony Uk Ltd | Frequency synchronisation of clocks |
US7372875B2 (en) * | 2002-09-30 | 2008-05-13 | Lucent Technologies Inc. | Systems and methods for synchronization in asynchronous transport networks |
-
2003
- 2003-03-31 GB GB0307459A patent/GB2400255A/en not_active Withdrawn
-
2004
- 2004-03-26 EP EP04251774.8A patent/EP1471745B1/en not_active Expired - Fee Related
- 2004-03-30 US US10/813,286 patent/US8073060B2/en active Active
- 2004-03-31 JP JP2004105241A patent/JP4528010B2/ja not_active Expired - Fee Related
- 2004-03-31 CN CNB2004100430684A patent/CN1297151C/zh not_active Expired - Fee Related
-
2011
- 2011-09-29 US US13/248,794 patent/US8401090B2/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102017645A (zh) * | 2008-04-21 | 2011-04-13 | 汤姆森许可贸易公司 | 与连接至网络的设备同步系统相关联的时间标签 |
CN102017645B (zh) * | 2008-04-21 | 2014-12-31 | 汤姆森许可贸易公司 | 与连接至网络的设备同步系统相关联的时间标签 |
CN102017574A (zh) * | 2008-04-30 | 2011-04-13 | 汤姆森许可贸易公司 | 分组交换网络中对同步通信设备的传递延迟补偿 |
CN102215327A (zh) * | 2010-04-09 | 2011-10-12 | 索尼公司 | 相机系统、相机设备、相机控制器和中继设备 |
CN102256128A (zh) * | 2011-07-12 | 2011-11-23 | 杭州华三通信技术有限公司 | 同步解码方法及其装置 |
CN102256128B (zh) * | 2011-07-12 | 2013-07-24 | 浙江宇视科技有限公司 | 同步解码方法及其装置 |
CN107277295A (zh) * | 2017-06-22 | 2017-10-20 | 北京数码视讯科技股份有限公司 | 视频同步处理装置及方法 |
CN107277295B (zh) * | 2017-06-22 | 2019-10-18 | 北京数码视讯科技股份有限公司 | 视频同步处理装置及方法 |
CN114598910A (zh) * | 2022-02-23 | 2022-06-07 | 中科芯集成电路有限公司 | 一种多路异源视频高精度时间同步回放控制方法 |
CN114598910B (zh) * | 2022-02-23 | 2024-01-19 | 中科芯集成电路有限公司 | 一种多路异源视频高精度时间同步回放控制方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4528010B2 (ja) | 2010-08-18 |
EP1471745B1 (en) | 2017-05-03 |
US20120081606A1 (en) | 2012-04-05 |
US8073060B2 (en) | 2011-12-06 |
JP2004304809A (ja) | 2004-10-28 |
US20040257469A1 (en) | 2004-12-23 |
GB2400255A (en) | 2004-10-06 |
EP1471745A1 (en) | 2004-10-27 |
CN1297151C (zh) | 2007-01-24 |
US8401090B2 (en) | 2013-03-19 |
GB0307459D0 (en) | 2003-05-07 |
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