CA2257155A1 - Method and apparatus for splicing compressed information streams - Google Patents

Method and apparatus for splicing compressed information streams

Info

Publication number
CA2257155A1
CA2257155A1 CA002257155A CA2257155A CA2257155A1 CA 2257155 A1 CA2257155 A1 CA 2257155A1 CA 002257155 A CA002257155 A CA 002257155A CA 2257155 A CA2257155 A CA 2257155A CA 2257155 A1 CA2257155 A1 CA 2257155A1
Authority
CA
Canada
Prior art keywords
stream
compressed information
information streams
appropriate
splicing
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
CA002257155A
Other languages
French (fr)
Other versions
CA2257155C (en
Inventor
Robert N. Hurst, Jr.
Paul W. Lyons
Chris Ward
Charles M. Wine
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.)
Sarnoff Corp
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 CA2257155A1 publication Critical patent/CA2257155A1/en
Application granted granted Critical
Publication of CA2257155C publication Critical patent/CA2257155C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2187—Live feed
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/142—Detection of scene cut or scene change
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/179—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a scene or a shot
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/87—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving scene cut or scene change detection in combination with video compression
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • 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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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]

Abstract

A method and apparatus for splicing a first compressed digital information stream (56) into a second compressed digital information stream (57). The first information stream (56) includes at least one entrance indicium identifying an appropriate stream entrance point, the second information stream includes at least one exit indicium identifying an appropriate stream exit point. A controller (340) monitors the two streams until the appropriate points are found and, in response to a control signal (A/B), splices the first stream into the second stream.
CA002257155A 1996-05-29 1997-05-29 Method and apparatus for splicing compressed information streams Expired - Lifetime CA2257155C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1855496P 1996-05-29 1996-05-29
US60/018,554 1996-05-29
US08/864,322 US6137834A (en) 1996-05-29 1997-05-28 Method and apparatus for splicing compressed information streams
US08/864,322 1997-05-28
PCT/US1997/009345 WO1997045965A1 (en) 1996-05-29 1997-05-29 Method and apparatus for splicing compressed information streams

Publications (2)

Publication Number Publication Date
CA2257155A1 true CA2257155A1 (en) 1997-12-04
CA2257155C CA2257155C (en) 2005-02-22

Family

ID=26691246

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002257155A Expired - Lifetime CA2257155C (en) 1996-05-29 1997-05-29 Method and apparatus for splicing compressed information streams

Country Status (6)

Country Link
US (1) US6137834A (en)
EP (1) EP0901718B1 (en)
JP (1) JP4358910B2 (en)
CA (1) CA2257155C (en)
DE (1) DE69736706T2 (en)
WO (1) WO1997045965A1 (en)

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EP0901718A4 (en) 1999-08-11
JP4358910B2 (en) 2009-11-04
EP0901718A1 (en) 1999-03-17
DE69736706T2 (en) 2007-09-13
US6137834A (en) 2000-10-24
DE69736706D1 (en) 2006-11-02
JP2002503402A (en) 2002-01-29
CA2257155C (en) 2005-02-22
WO1997045965A1 (en) 1997-12-04

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