GB2275851B - A combined digital video/audio synchroniser - Google Patents

A combined digital video/audio synchroniser

Info

Publication number
GB2275851B
GB2275851B GB9304587A GB9304587A GB2275851B GB 2275851 B GB2275851 B GB 2275851B GB 9304587 A GB9304587 A GB 9304587A GB 9304587 A GB9304587 A GB 9304587A GB 2275851 B GB2275851 B GB 2275851B
Authority
GB
United Kingdom
Prior art keywords
digital video
combined digital
audio synchroniser
synchroniser
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.)
Expired - Fee Related
Application number
GB9304587A
Other versions
GB2275851A (en
GB9304587D0 (en
Inventor
John Hudson
James Hedley Wilkinson
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.)
Sony Broadcast and Communications Ltd
Sony Europe BV United Kingdom Branch
Original Assignee
Sony Broadcast and Communications Ltd
Sony United Kingdom 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 Sony Broadcast and Communications Ltd, Sony United Kingdom Ltd filed Critical Sony Broadcast and Communications Ltd
Priority to GB9304587A priority Critical patent/GB2275851B/en
Publication of GB9304587D0 publication Critical patent/GB9304587D0/en
Priority to JP3603294A priority patent/JPH0898158A/en
Publication of GB2275851A publication Critical patent/GB2275851A/en
Application granted granted Critical
Publication of GB2275851B publication Critical patent/GB2275851B/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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/95—Time-base error compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/915—Television signal processing therefor for field- or frame-skip recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9265—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal
    • H04N5/9267—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
    • H04N5/9268—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals with insertion of the PCM audio signals in the vertical blanking interval of the PCM video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation
    • H04N5/945—Signal drop-out compensation for signals recorded by pulse code modulation
GB9304587A 1993-03-05 1993-03-05 A combined digital video/audio synchroniser Expired - Fee Related GB2275851B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9304587A GB2275851B (en) 1993-03-05 1993-03-05 A combined digital video/audio synchroniser
JP3603294A JPH0898158A (en) 1993-03-05 1994-03-07 Coupling image-voice synchronizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9304587A GB2275851B (en) 1993-03-05 1993-03-05 A combined digital video/audio synchroniser

Publications (3)

Publication Number Publication Date
GB9304587D0 GB9304587D0 (en) 1993-04-21
GB2275851A GB2275851A (en) 1994-09-07
GB2275851B true GB2275851B (en) 1997-02-26

Family

ID=10731578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304587A Expired - Fee Related GB2275851B (en) 1993-03-05 1993-03-05 A combined digital video/audio synchroniser

Country Status (2)

Country Link
JP (1) JPH0898158A (en)
GB (1) GB2275851B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0152042B1 (en) * 1995-04-15 1998-10-15 김광호 Nand type flash memory i.c. card recording apparatus
DE69638092D1 (en) * 1995-06-19 2010-01-21 Sony Corp DATA COMMUNICATION DEVICE
US6631429B2 (en) * 1999-12-23 2003-10-07 Intel Corporation Real-time processing of a synchronous or isochronous data stream in the presence of gaps in the data stream due to queue underflow or overflow
DE602004030793D1 (en) * 2003-03-28 2011-02-10 Thomson Licensing ASYNCHRONES FLIMMER REDUCTION PROCESS
US8629913B2 (en) * 2010-09-30 2014-01-14 Apple Inc. Overflow control techniques for image signal processing
KR101744545B1 (en) 2010-09-30 2017-06-09 에스프린팅솔루션 주식회사 Image forming apparatus and control method thereof
US11089247B2 (en) 2012-05-31 2021-08-10 Apple Inc. Systems and method for reducing fixed pattern noise in image data
US9142012B2 (en) 2012-05-31 2015-09-22 Apple Inc. Systems and methods for chroma noise reduction
US8817120B2 (en) 2012-05-31 2014-08-26 Apple Inc. Systems and methods for collecting fixed pattern noise statistics of image data
US8917336B2 (en) 2012-05-31 2014-12-23 Apple Inc. Image signal processing involving geometric distortion correction
US9743057B2 (en) 2012-05-31 2017-08-22 Apple Inc. Systems and methods for lens shading correction
US9105078B2 (en) 2012-05-31 2015-08-11 Apple Inc. Systems and methods for local tone mapping
US9014504B2 (en) 2012-05-31 2015-04-21 Apple Inc. Systems and methods for highlight recovery in an image signal processor
US9332239B2 (en) 2012-05-31 2016-05-03 Apple Inc. Systems and methods for RGB image processing
US8872946B2 (en) 2012-05-31 2014-10-28 Apple Inc. Systems and methods for raw image processing
US9077943B2 (en) 2012-05-31 2015-07-07 Apple Inc. Local image statistics collection
US8953882B2 (en) 2012-05-31 2015-02-10 Apple Inc. Systems and methods for determining noise statistics of image data
US9025867B2 (en) 2012-05-31 2015-05-05 Apple Inc. Systems and methods for YCC image processing
US9031319B2 (en) 2012-05-31 2015-05-12 Apple Inc. Systems and methods for luma sharpening
CN111432258B (en) * 2019-04-29 2022-09-30 杭州海康威视数字技术股份有限公司 Audio and video signal synchronization method and device
CN114554027B (en) * 2022-03-16 2022-11-25 湖南双菱电子科技有限公司 Audio embedding processing and video-audio synchronous output processing method

Also Published As

Publication number Publication date
JPH0898158A (en) 1996-04-12
GB2275851A (en) 1994-09-07
GB9304587D0 (en) 1993-04-21

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110305