GB9905659D0 - Video and audio synchronisation - Google Patents

Video and audio synchronisation

Info

Publication number
GB9905659D0
GB9905659D0 GBGB9905659.0A GB9905659A GB9905659D0 GB 9905659 D0 GB9905659 D0 GB 9905659D0 GB 9905659 A GB9905659 A GB 9905659A GB 9905659 D0 GB9905659 D0 GB 9905659D0
Authority
GB
United Kingdom
Prior art keywords
video
audio synchronisation
synchronisation
audio
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
Application number
GBGB9905659.0A
Other versions
GB2341758B (en
GB2341758A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9905659D0 publication Critical patent/GB9905659D0/en
Priority to PCT/GB1999/002300 priority Critical patent/WO2000005901A1/en
Priority to JP2000561782A priority patent/JP2002521934A/en
Priority to AU50501/99A priority patent/AU5050199A/en
Priority to EP99934859A priority patent/EP1101363A1/en
Priority to US09/744,374 priority patent/US7020894B1/en
Publication of GB2341758A publication Critical patent/GB2341758A/en
Application granted granted Critical
Publication of GB2341758B publication Critical patent/GB2341758B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • 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
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • 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
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB9905659A 1998-07-24 1999-03-12 Video and audio synchronisation Expired - Fee Related GB2341758B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/GB1999/002300 WO2000005901A1 (en) 1998-07-24 1999-07-16 Video and audio synchronisation
JP2000561782A JP2002521934A (en) 1998-07-24 1999-07-16 Video and audio synchronization
AU50501/99A AU5050199A (en) 1998-07-24 1999-07-16 Video and audio synchronisation
EP99934859A EP1101363A1 (en) 1998-07-24 1999-07-16 Video and audio synchronisation
US09/744,374 US7020894B1 (en) 1998-07-24 1999-07-16 Video and audio synchronization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9816135.9A GB9816135D0 (en) 1998-07-24 1998-07-24 Video and audio synchronisation

Publications (3)

Publication Number Publication Date
GB9905659D0 true GB9905659D0 (en) 1999-05-05
GB2341758A GB2341758A (en) 2000-03-22
GB2341758B GB2341758B (en) 2000-08-02

Family

ID=10836091

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9816135.9A Ceased GB9816135D0 (en) 1998-07-24 1998-07-24 Video and audio synchronisation
GB9905659A Expired - Fee Related GB2341758B (en) 1998-07-24 1999-03-12 Video and audio synchronisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9816135.9A Ceased GB9816135D0 (en) 1998-07-24 1998-07-24 Video and audio synchronisation

Country Status (1)

Country Link
GB (2) GB9816135D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080095286A1 (en) * 2004-07-15 2008-04-24 Koninklijke Philips Electronics, N.V. Measurement System for Delay Between Two Signals Transmitted Via Two Transmission Paths
GB2437122B (en) * 2006-04-10 2011-01-05 Vqual Ltd Method and apparatus for measuring audio/video sync delay
WO2010069375A1 (en) * 2008-12-17 2010-06-24 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for measuring audiovisual synchronisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703355A (en) * 1985-09-16 1987-10-27 Cooper J Carl Audio to video timing equalizer method and apparatus
US4963967A (en) * 1989-03-10 1990-10-16 Tektronix, Inc. Timing audio and video signals with coincidental markers
GB2244184B (en) * 1990-05-16 1993-11-17 Thames Television Audio delay detector

Also Published As

Publication number Publication date
GB9816135D0 (en) 1998-09-23
GB2341758B (en) 2000-08-02
GB2341758A (en) 2000-03-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100312