WO1995028795A3 - Arrangement for decoding digital video signals - Google Patents

Arrangement for decoding digital video signals Download PDF

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Publication number
WO1995028795A3
WO1995028795A3 PCT/IB1995/000256 IB9500256W WO9528795A3 WO 1995028795 A3 WO1995028795 A3 WO 1995028795A3 IB 9500256 W IB9500256 W IB 9500256W WO 9528795 A3 WO9528795 A3 WO 9528795A3
Authority
WO
WIPO (PCT)
Prior art keywords
arrangement
digital video
signal
video signals
decoding digital
Prior art date
Application number
PCT/IB1995/000256
Other languages
French (fr)
Other versions
WO1995028795A2 (en
Inventor
Juergen Fritz Rosengren
Ronald Wilhelm Johan Jo Saeijs
Eric Hendrik Jozef Persoon
Original Assignee
Philips Electronics Nv
Philips Norden Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8216808&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1995028795(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philips Electronics Nv, Philips Norden Ab filed Critical Philips Electronics Nv
Priority to JP7526843A priority Critical patent/JPH09512148A/en
Priority to KR1019960705834A priority patent/KR100461207B1/en
Priority to AT95913310T priority patent/ATE207268T1/en
Priority to KR10-2003-7010123A priority patent/KR100426515B1/en
Priority to AU20822/95A priority patent/AU700272B2/en
Priority to EP95913310A priority patent/EP0775413B9/en
Priority to DK95913310T priority patent/DK0775413T3/en
Priority to DE69523321T priority patent/DE69523321T2/en
Publication of WO1995028795A2 publication Critical patent/WO1995028795A2/en
Publication of WO1995028795A3 publication Critical patent/WO1995028795A3/en

Links

Classifications

    • 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
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • 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
    • H04N21/4347—Demultiplexing of several video streams
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
    • 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
    • H04N21/2365—Multiplexing of several 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • H04N21/4348—Demultiplexing of additional data and video streams
    • 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
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • H04N5/50—Tuning indicators; Automatic tuning control

Abstract

The invention relates to a method and arrangement for deriving an ancillary signal from a compressed digital video signal (e.g. MPEG). The DC coefficients of autonomously encoded pictures (I-pictures) are selected from the compressed signal. The ancillary signal thus obtained can be used for display in a (multi-) picture-in-picture television receiver. A decoder for decoding such an ancillary signal is considerably simpler and less expensive than a full-spec MPEG decoder.
PCT/IB1995/000256 1994-04-15 1995-04-10 Arrangement for decoding digital video signals WO1995028795A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP7526843A JPH09512148A (en) 1994-04-15 1995-04-10 Digital video signal transmitter and receiver
KR1019960705834A KR100461207B1 (en) 1994-04-15 1995-04-10 Digital Video Signal Transceiver
AT95913310T ATE207268T1 (en) 1994-04-15 1995-04-10 DEVICE FOR DECODING DIGITAL VIDEO SIGNALS
KR10-2003-7010123A KR100426515B1 (en) 1994-04-15 1995-04-10 Method and arrangement for receiving digital video signals
AU20822/95A AU700272B2 (en) 1994-04-15 1995-04-10 Arrangements for transmitting and receiving digital video signals
EP95913310A EP0775413B9 (en) 1994-04-15 1995-04-10 Arrangement for decoding digital video signals
DK95913310T DK0775413T3 (en) 1994-04-15 1995-04-10 Digital video signal decoding system
DE69523321T DE69523321T2 (en) 1994-04-15 1995-04-10 DEVICE FOR DECODING DIGITAL VIDEO SIGNALS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94201053.9 1994-04-15
EP94201053 1994-04-15

Publications (2)

Publication Number Publication Date
WO1995028795A2 WO1995028795A2 (en) 1995-10-26
WO1995028795A3 true WO1995028795A3 (en) 1995-11-30

Family

ID=8216808

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/IB1995/000256 WO1995028795A2 (en) 1994-04-15 1995-04-10 Arrangement for decoding digital video signals
PCT/IB1995/000255 WO1995028794A2 (en) 1994-04-15 1995-04-10 Arrangement and method for transmitting and receiving video signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/IB1995/000255 WO1995028794A2 (en) 1994-04-15 1995-04-10 Arrangement and method for transmitting and receiving video signals

Country Status (16)

Country Link
US (2) US5633683A (en)
EP (3) EP0964576B1 (en)
JP (2) JP4204067B2 (en)
KR (3) KR100461207B1 (en)
CN (3) CN1492677A (en)
AT (3) ATE207268T1 (en)
AU (2) AU700272B2 (en)
BR (1) BR9507363A (en)
CA (1) CA2187796C (en)
DE (3) DE69532656T2 (en)
DK (2) DK0755604T3 (en)
ES (3) ES2215360T3 (en)
GR (1) GR3033116T3 (en)
MY (3) MY114163A (en)
PT (1) PT755604E (en)
WO (2) WO1995028795A2 (en)

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