GB2293076B - Time synchronisation in a multiplexed data stream - Google Patents

Time synchronisation in a multiplexed data stream

Info

Publication number
GB2293076B
GB2293076B GB9511569A GB9511569A GB2293076B GB 2293076 B GB2293076 B GB 2293076B GB 9511569 A GB9511569 A GB 9511569A GB 9511569 A GB9511569 A GB 9511569A GB 2293076 B GB2293076 B GB 2293076B
Authority
GB
United Kingdom
Prior art keywords
data stream
multiplexed data
time synchronisation
synchronisation
time
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
GB9511569A
Other versions
GB2293076A (en
GB9511569D0 (en
Inventor
David Andrew Barnes
Anthony Mark Jones
Martin William Sotheran
Colin Smith
Helen Rosemary Finch
Anthony Peter John Claydon
Mark Barnes
Andrew Peter Kuligowski
Nicholas Birch
Adrian Philip Wise
Kevin Douglas Dewar
Donald William W Patterson
William Philip Robbins
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.)
Discovision Associates
Original Assignee
Discovision Associates
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
Priority to US08/481,772 priority Critical patent/US5740460A/en
Priority to US08/487,356 priority patent/US6217234B1/en
Priority to US08/476,814 priority patent/US5798719A/en
Priority to US08/473,813 priority patent/US5821885A/en
Priority to US08/488,348 priority patent/US5984512A/en
Priority to US08/486,908 priority patent/US5829007A/en
Application filed by Discovision Associates filed Critical Discovision Associates
Priority to US08/482,381 priority patent/US5828907A/en
Priority to US08/479,910 priority patent/US5768629A/en
Priority to US08/484,170 priority patent/US5963154A/en
Priority to US08/481,561 priority patent/US5801973A/en
Priority to US08/481,785 priority patent/US5703793A/en
Priority to US08/484,578 priority patent/US5878273A/en
Priority to US08/487,134 priority patent/US5835792A/en
Priority to AU25019/95A priority patent/AU701335C/en
Priority to EP95305308A priority patent/EP0695095A3/en
Priority to EP98202247A priority patent/EP0891098A3/en
Priority to JP7224473A priority patent/JPH08172624A/en
Priority to EP98202246A priority patent/EP0891097A3/en
Priority to EP98202242A priority patent/EP0892556A3/en
Priority to EP98202248A priority patent/EP0891099A3/en
Priority to CA002154962A priority patent/CA2154962A1/en
Priority to EP98202245A priority patent/EP0891096A3/en
Priority to EP98202243A priority patent/EP0891094A3/en
Priority to EP98202244A priority patent/EP0891095A3/en
Priority to CN95109662A priority patent/CN1144434A/en
Priority to KR1019950023121A priority patent/KR100270798B1/en
Priority to SG9500986A priority patent/SG108204A1/en
Publication of GB9511569D0 publication Critical patent/GB9511569D0/en
Publication of GB2293076A publication Critical patent/GB2293076A/en
Priority to US08/947,677 priority patent/US5995727A/en
Priority to US08/991,234 priority patent/US6799246B1/en
Priority to MXPA99001886A priority patent/MXPA99001886A/en
Priority to US09/272,521 priority patent/US6141721A/en
Priority to AU24007/99A priority patent/AU2400799A/en
Priority to AU24004/99A priority patent/AU2400499A/en
Application granted granted Critical
Publication of GB2293076B publication Critical patent/GB2293076B/en
Priority to JP2000226091A priority patent/JP2001168728A/en
Priority to JP2000226090A priority patent/JP2001094437A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0207—Addressing or allocation; Relocation with multidimensional access, e.g. row/column, matrix
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/42—Flyback transformers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/04—Addressing variable-length words or parts of words
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB9511569A 1992-06-30 1995-06-07 Time synchronisation in a multiplexed data stream Expired - Fee Related GB2293076B (en)

Priority Applications (35)

Application Number Priority Date Filing Date Title
US08/476,814 US5798719A (en) 1994-07-29 1995-06-07 Parallel Huffman decoder
US08/473,813 US5821885A (en) 1994-07-29 1995-06-07 Video decompression
US08/488,348 US5984512A (en) 1994-07-29 1995-06-07 Method for storing video information
US08/486,908 US5829007A (en) 1993-06-24 1995-06-07 Technique for implementing a swing buffer in a memory array
US08/481,772 US5740460A (en) 1994-07-29 1995-06-07 Arrangement for processing packetized data
US08/482,381 US5828907A (en) 1992-06-30 1995-06-07 Token-based adaptive video processing arrangement
US08/487,356 US6217234B1 (en) 1994-07-29 1995-06-07 Apparatus and method for processing data with an arithmetic unit
US08/484,170 US5963154A (en) 1994-07-29 1995-06-07 Technique for decoding variable and fixed length codes
US08/481,561 US5801973A (en) 1994-07-29 1995-06-07 Video decompression
US08/481,785 US5703793A (en) 1994-07-29 1995-06-07 Video decompression
US08/484,578 US5878273A (en) 1993-06-24 1995-06-07 System for microprogrammable state machine in video parser disabling portion of processing stages responsive to sequence-- end token generating by token generator responsive to received data
US08/487,134 US5835792A (en) 1993-06-24 1995-06-07 Token-based adaptive video processing arrangement
US08/479,910 US5768629A (en) 1993-06-24 1995-06-07 Token-based adaptive video processing arrangement
AU25019/95A AU701335C (en) 1994-07-29 1995-07-17 Video decompression
EP98202248A EP0891099A3 (en) 1994-07-29 1995-07-28 Video decompression
JP7224473A JPH08172624A (en) 1994-07-29 1995-07-28 Mpeg signal decoding and its method
EP98202246A EP0891097A3 (en) 1994-07-29 1995-07-28 Video decompression
EP98202242A EP0892556A3 (en) 1994-07-29 1995-07-28 Video decompression
EP95305308A EP0695095A3 (en) 1994-07-29 1995-07-28 Video decompression
CA002154962A CA2154962A1 (en) 1994-07-29 1995-07-28 Video decompression
EP98202245A EP0891096A3 (en) 1994-07-29 1995-07-28 Video decompression
EP98202243A EP0891094A3 (en) 1994-07-29 1995-07-28 Video decrompression
EP98202244A EP0891095A3 (en) 1994-07-29 1995-07-28 Video decompression
EP98202247A EP0891098A3 (en) 1994-07-29 1995-07-28 Video decompression
SG9500986A SG108204A1 (en) 1994-07-29 1995-07-29 Video decompression
KR1019950023121A KR100270798B1 (en) 1994-07-29 1995-07-29 Video dccompression
CN95109662A CN1144434A (en) 1994-07-29 1995-07-29 Video decompression
US08/947,677 US5995727A (en) 1994-07-29 1997-10-07 Video decompression
US08/991,234 US6799246B1 (en) 1993-06-24 1997-12-16 Memory interface for reading/writing data from/to a memory
MXPA99001886A MXPA99001886A (en) 1994-07-29 1999-02-25 Video decompression.
US09/272,521 US6141721A (en) 1993-06-24 1999-03-18 Method of asynchronous memory access
AU24007/99A AU2400799A (en) 1994-07-29 1999-04-28 A method for addressing memory
AU24004/99A AU2400499A (en) 1994-07-29 1999-04-28 A parallel huffman decoder
JP2000226091A JP2001168728A (en) 1994-07-29 2000-06-21 Method and device for decoding mpeg signal
JP2000226090A JP2001094437A (en) 1994-07-29 2000-06-21 Mpeg signal decoding method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9415413A GB9415413D0 (en) 1994-07-29 1994-07-29 Method and apparatus for video decompression

Publications (3)

Publication Number Publication Date
GB9511569D0 GB9511569D0 (en) 1995-08-02
GB2293076A GB2293076A (en) 1996-03-13
GB2293076B true GB2293076B (en) 1999-06-23

Family

ID=10759147

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9415413A Pending GB9415413D0 (en) 1992-06-30 1994-07-29 Method and apparatus for video decompression
GB9511569A Expired - Fee Related GB2293076B (en) 1992-06-30 1995-06-07 Time synchronisation in a multiplexed data stream

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9415413A Pending GB9415413D0 (en) 1992-06-30 1994-07-29 Method and apparatus for video decompression

Country Status (2)

Country Link
KR (1) KR100270798B1 (en)
GB (2) GB9415413D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9700956D0 (en) * 1997-01-17 1997-03-05 Digi Media Vision Ltd Improvements in or relating to switching between compressed bitstreams
KR100771401B1 (en) 2005-08-01 2007-10-30 (주)펄서스 테크놀러지 Computing circuits and method for running an mpeg-2 aac or mpeg-4 aac audio decoding algorithm on programmable processors
US10791340B2 (en) * 2016-11-15 2020-09-29 Sony Corporation Method and system to refine coding of P-phase data

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618728A2 (en) * 1993-02-26 1994-10-05 Sony Corporation Synchronization of audio/video information
EP0624983A2 (en) * 1993-05-13 1994-11-17 RCA Thomson Licensing Corporation Synchronization arrangement for a compressed video signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618728A2 (en) * 1993-02-26 1994-10-05 Sony Corporation Synchronization of audio/video information
EP0624983A2 (en) * 1993-05-13 1994-11-17 RCA Thomson Licensing Corporation Synchronization arrangement for a compressed video signal

Also Published As

Publication number Publication date
GB9415413D0 (en) 1994-09-21
KR960006647A (en) 1996-02-23
KR100270798B1 (en) 2000-11-01
GB2293076A (en) 1996-03-13
GB9511569D0 (en) 1995-08-02

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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)

Free format text: REGISTERED BETWEEN 20100408 AND 20100414

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

Free format text: REGISTERED BETWEEN 20130221 AND 20130227

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130607