GB2437123B - Method and apparatus for measuring audio/video sync delay - Google Patents

Method and apparatus for measuring audio/video sync delay

Info

Publication number
GB2437123B
GB2437123B GB0607215A GB0607215A GB2437123B GB 2437123 B GB2437123 B GB 2437123B GB 0607215 A GB0607215 A GB 0607215A GB 0607215 A GB0607215 A GB 0607215A GB 2437123 B GB2437123 B GB 2437123B
Authority
GB
United Kingdom
Prior art keywords
video sync
sync delay
measuring audio
audio
measuring
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.)
Active
Application number
GB0607215A
Other languages
English (en)
Other versions
GB2437123A (en
GB0607215D0 (en
Inventor
Matthew Alan Bowers
Scott Griffiths
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.)
Tektronix International Sales GmbH
Original Assignee
Tektronix International Sales GmbH
VQUAL Ltd
Tektronix Bristol Ltd
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 Tektronix International Sales GmbH, VQUAL Ltd, Tektronix Bristol Ltd filed Critical Tektronix International Sales GmbH
Priority to GB0607215A priority Critical patent/GB2437123B/en
Publication of GB0607215D0 publication Critical patent/GB0607215D0/en
Priority to PCT/GB2007/001191 priority patent/WO2007116205A1/en
Priority to JP2009504802A priority patent/JP5025722B2/ja
Priority to EP07732245A priority patent/EP2005762A1/en
Publication of GB2437123A publication Critical patent/GB2437123A/en
Application granted granted Critical
Publication of GB2437123B publication Critical patent/GB2437123B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N21/43—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
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Receiver Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB0607215A 2006-04-10 2006-04-10 Method and apparatus for measuring audio/video sync delay Active GB2437123B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0607215A GB2437123B (en) 2006-04-10 2006-04-10 Method and apparatus for measuring audio/video sync delay
PCT/GB2007/001191 WO2007116205A1 (en) 2006-04-10 2007-03-30 Method and apparatus for measuring audio/video sync delay
JP2009504802A JP5025722B2 (ja) 2006-04-10 2007-03-30 オーディオ／ビデオ同期遅延測定方法及び装置
EP07732245A EP2005762A1 (en) 2006-04-10 2007-03-30 Method and apparatus for measuring audio/video sync delay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0607215A GB2437123B (en) 2006-04-10 2006-04-10 Method and apparatus for measuring audio/video sync delay

Publications (3)

Publication Number Publication Date
GB0607215D0 GB0607215D0 (en) 2006-05-17
GB2437123A GB2437123A (en) 2007-10-17
GB2437123B true GB2437123B (en) 2011-01-26

Family

ID=36539692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0607215A Active GB2437123B (en) 2006-04-10 2006-04-10 Method and apparatus for measuring audio/video sync delay

Country Status (4)

Country Link
EP (1) EP2005762A1 (ja)
JP (1) JP5025722B2 (ja)
GB (1) GB2437123B (ja)
WO (1) WO2007116205A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009115121A2 (en) * 2008-03-19 2009-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for measuring audio-video time skew and end-to-end delay
JP5160950B2 (ja) * 2008-04-25 2013-03-13 株式会社タイトー タイミング補正プログラム、携帯端末及び処理タイミング同期方法
US20110170537A1 (en) * 2010-01-08 2011-07-14 Marius Ungureanu One Way and Round Trip Delays Using Telephony In-Band Tones
CN103796006A (zh) * 2012-10-30 2014-05-14 中兴通讯股份有限公司 一种唇音同步测试的系统与方法
CN106358039B (zh) * 2016-09-07 2019-02-01 深圳Tcl数字技术有限公司 音画同步测试方法及装置
GB2586986B (en) * 2019-09-10 2023-05-24 Hitomi Ltd Signal variation measurement
CN112351273B (zh) * 2020-11-04 2022-03-01 新华三大数据技术有限公司 一种视频播放质量检测方法及装置
CN112601077B (zh) * 2020-12-11 2022-07-26 杭州当虹科技股份有限公司 一种基于音频的编码器延时的自动测量方法
CN112601078B (zh) * 2020-12-11 2022-07-26 杭州当虹科技股份有限公司 一种基于视频的编码器延时的自动测量方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2334854A (en) * 1998-02-27 1999-09-01 Ridgeway Systems & Software Lt Audio-video telephony
JP2001298757A (ja) * 2000-04-11 2001-10-26 Nippon Hoso Kyokai <Nhk> 映像・音声遅延時間差測定装置
US6414960B1 (en) * 1998-12-29 2002-07-02 International Business Machines Corp. Apparatus and method of in-service audio/video synchronization testing
WO2005004470A1 (en) * 2003-07-01 2005-01-13 Lg Electronics Inc. Method and apparatus for testing lip-sync of digital television receiver
US20050219366A1 (en) * 2004-03-31 2005-10-06 Hollowbush Richard R Digital audio-video differential delay and channel analyzer
EP1662793A1 (en) * 2003-09-02 2006-05-31 Sony Corporation Content reception device, video/audio output timing control method, and content providing system
EP1775964A1 (en) * 2005-10-11 2007-04-18 Huawei Technologies Co., Ltd. Method and device for stream synchronization of real-time multimedia transport over packet network

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326102A (en) * 1980-02-04 1982-04-20 Msi Data Corporation Audio data transmission device with coupling device
JPH05236513A (ja) * 1992-02-21 1993-09-10 Shibasoku Co Ltd テレビジョン映像信号と音声信号の伝送遅延時間差の測定方法
US6836295B1 (en) * 1995-12-07 2004-12-28 J. Carl Cooper Audio to video timing measurement for MPEG type television systems
US5818520A (en) * 1996-02-12 1998-10-06 Tektronix, Inc. Programmable instrument for automatic measurement of compressed video quality
EP0888019A1 (en) * 1997-06-23 1998-12-30 Hewlett-Packard Company Method and apparatus for measuring the quality of a video transmission
US6208745B1 (en) * 1997-12-30 2001-03-27 Sarnoff Corporation Method and apparatus for imbedding a watermark into a bitstream representation of a digital image sequence
JP2003259314A (ja) * 2002-02-26 2003-09-12 Nippon Hoso Kyokai <Nhk> 映像音声同期方法及びそのシステム
JP2004158913A (ja) * 2002-11-01 2004-06-03 Canon Inc 音声画像処理装置
JP2004242130A (ja) * 2003-02-07 2004-08-26 Nippon Hoso Kyokai <Nhk> 映像・音声伝送時間差測定用の信号発生装置およびその方法、並びに信号解析装置およびその方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2334854A (en) * 1998-02-27 1999-09-01 Ridgeway Systems & Software Lt Audio-video telephony
US6414960B1 (en) * 1998-12-29 2002-07-02 International Business Machines Corp. Apparatus and method of in-service audio/video synchronization testing
JP2001298757A (ja) * 2000-04-11 2001-10-26 Nippon Hoso Kyokai <Nhk> 映像・音声遅延時間差測定装置
WO2005004470A1 (en) * 2003-07-01 2005-01-13 Lg Electronics Inc. Method and apparatus for testing lip-sync of digital television receiver
EP1662793A1 (en) * 2003-09-02 2006-05-31 Sony Corporation Content reception device, video/audio output timing control method, and content providing system
US20050219366A1 (en) * 2004-03-31 2005-10-06 Hollowbush Richard R Digital audio-video differential delay and channel analyzer
EP1775964A1 (en) * 2005-10-11 2007-04-18 Huawei Technologies Co., Ltd. Method and device for stream synchronization of real-time multimedia transport over packet network

Also Published As

Publication number Publication date
JP2009533920A (ja) 2009-09-17
GB2437123A (en) 2007-10-17
EP2005762A1 (en) 2008-12-24
GB0607215D0 (en) 2006-05-17
JP5025722B2 (ja) 2012-09-12
WO2007116205A9 (en) 2009-04-09
WO2007116205A1 (en) 2007-10-18

Similar Documents

Publication Publication Date Title
TWI351213B (en) Method and apparatus for processing a video signal
GB2440376B (en) Apparatus and method of video conferencing
GB2434513B (en) Audio reproducing apparatus and method thereof
PT2549771E (pt) Método e aparelho para visualizar segmentos multimédia personalizados
HK1127825A1 (en) Method and apparatus for processing an audio signal
EP2210421A4 (en) METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL
EP2191652A4 (en) METHOD AND DEVICE FOR PROCESSING A VIDEO SIGNAL
EP2123042A4 (en) METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL
EP2153660A4 (en) METHOD AND DEVICE FOR PROCESSING A VIDEO SIGNAL
EP2105021A4 (en) METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL
EP2050272A4 (en) METHOD AND APPARATUS FOR SYNCHRONIZATION OF VISUALIZATION FLOWS
EP2156670A4 (en) METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL
GB2437123B (en) Method and apparatus for measuring audio/video sync delay
EP2044524A4 (en) METHOD AND DEVICE FOR QUICK AUDIO SEARCH
ZA200901367B (en) Method and device for transcoding audio signals
EP2077667A4 (en) VIDEO DISPLAY DEVICE AND VIDEO DISPLAY PROCEDURE
HK1136724A1 (en) Method and apparatus for reproducing an audio video sequence
EP2202968A4 (en) VIDEO REPRODUCTION DEVICE AND VIDEO REPRODUCTION METHOD
EP2186339A4 (en) METHOD AND APPARATUS FOR PROCESSING VIDEO SIGNAL
EP2356817A4 (en) DEVICE AND METHOD FOR SYNCHRONIZING AUDIO DATA RECEIVED WITH VIDEO DATA
TWI371694B (en) Method and apparatus for an audio signal processing
EP2204041A4 (en) METHOD AND APPARATUS FOR IMAGE SIGNAL COMPRESSION
EP2031882A4 (en) VIDEO COMPARISON APPARATUS AND VIDEO COMPARISON METHOD
GB0604076D0 (en) Method and apparatus for signal presentation
EP1992106A4 (en) METHOD AND DEVICE FOR MANAGING AN AUDIO / VIDEO (AV) NETWORK

Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: TEKTRONIX INTERNATIONAL SALES GMBH

Free format text: FORMER APPLICANT(S): TEKTRONIX BRISTOL LIMITED

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190411 AND 20190417

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210311 AND 20210317