ATE183046T1 - Verfahren und vorrichtung zur mischung von videodatensignalen von verschiedenen quellen und multimediasystem mit einer solchen vorrichtung - Google Patents

Verfahren und vorrichtung zur mischung von videodatensignalen von verschiedenen quellen und multimediasystem mit einer solchen vorrichtung

Info

Publication number
ATE183046T1
ATE183046T1 AT92915051T AT92915051T ATE183046T1 AT E183046 T1 ATE183046 T1 AT E183046T1 AT 92915051 T AT92915051 T AT 92915051T AT 92915051 T AT92915051 T AT 92915051T AT E183046 T1 ATE183046 T1 AT E183046T1
Authority
AT
Austria
Prior art keywords
signal
video
video signal
digital video
decoder
Prior art date
Application number
AT92915051T
Other languages
English (en)
Inventor
Carl K Wakeland
Original Assignee
Ast Research Inc
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 Ast Research Inc filed Critical Ast Research Inc
Application granted granted Critical
Publication of ATE183046T1 publication Critical patent/ATE183046T1/de

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
    • 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
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • 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
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/75—Chroma key
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
    • G09G2340/125—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels wherein one of the images is motion video
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Circuits (AREA)
  • Color Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AT92915051T 1992-01-02 1992-06-30 Verfahren und vorrichtung zur mischung von videodatensignalen von verschiedenen quellen und multimediasystem mit einer solchen vorrichtung ATE183046T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/815,985 US5218432A (en) 1992-01-02 1992-01-02 Method and apparatus for merging video data signals from multiple sources and multimedia system incorporating same

Publications (1)

Publication Number Publication Date
ATE183046T1 true ATE183046T1 (de) 1999-08-15

Family

ID=25219370

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92915051T ATE183046T1 (de) 1992-01-02 1992-06-30 Verfahren und vorrichtung zur mischung von videodatensignalen von verschiedenen quellen und multimediasystem mit einer solchen vorrichtung

Country Status (6)

Country Link
US (1) US5218432A (de)
EP (1) EP0619929B1 (de)
AT (1) ATE183046T1 (de)
AU (1) AU2298192A (de)
DE (1) DE69229740T2 (de)
WO (1) WO1993013627A1 (de)

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US5475421A (en) * 1992-06-03 1995-12-12 Digital Equipment Corporation Video data scaling for video teleconferencing workstations communicating by digital data network
JP2528446B2 (ja) * 1992-09-30 1996-08-28 株式会社ハドソン 音声画像処理装置
US5852444A (en) * 1992-12-07 1998-12-22 Intel Corporation Application of video to graphics weighting factor to video image YUV to RGB color code conversion
US5877754A (en) * 1993-06-16 1999-03-02 Intel Corporation Process, apparatus, and system for color conversion of image signals
AU4784793A (en) * 1993-06-29 1995-01-24 Jeffrey M Cohen Selectively previewing combined audio and visual information
EP1152343B1 (de) * 1993-07-13 2003-05-02 Hewlett-Packard Company, A Delaware Corporation Vorrichtung und Verfahren zur Kommunikation zwischen einem Rechner und einem periphären Gerät
KR950016212A (ko) * 1993-11-17 1995-06-17 이헌조 게임기능을 갖는 영상기기
KR0180577B1 (ko) * 1993-12-16 1999-05-15 모리시다 요이치 멀티윈도우 장치
US5506604A (en) * 1994-04-06 1996-04-09 Cirrus Logic, Inc. Apparatus, systems and methods for processing video data in conjunction with a multi-format frame buffer
US6356663B1 (en) * 1994-09-09 2002-03-12 Intel Corporation Processing image signals using spatial decomposition
US6147671A (en) * 1994-09-13 2000-11-14 Intel Corporation Temporally dissolved dithering
US5619733A (en) * 1994-11-10 1997-04-08 International Business Machines Corporation Method and apparatus for synchronizing streaming and non-streaming multimedia devices by controlling the play speed of the non-streaming device in response to a synchronization signal
US5611041A (en) * 1994-12-19 1997-03-11 Cirrus Logic, Inc. Memory bandwidth optimization
US5732205A (en) * 1994-12-30 1998-03-24 Intel Corporation Color conversion using 4.5 bit palette
US5598525A (en) * 1995-01-23 1997-01-28 Cirrus Logic, Inc. Apparatus, systems and methods for controlling graphics and video data in multimedia data processing and display systems
US5615338A (en) * 1995-05-24 1997-03-25 Titan Information Systems Corporation System for simultaneously displaying video signal from second video channel and video signal generated at that site or video signal received from first channel
US5900861A (en) * 1995-09-28 1999-05-04 Intel Corporation Table-driven color conversion using interleaved indices
US5673065A (en) * 1995-12-29 1997-09-30 Intel Corporation Color reduction and conversion using an ordinal lookup table
JPH09200722A (ja) * 1996-01-22 1997-07-31 Canon Inc 画像入力装置および方法
US5850340A (en) * 1996-04-05 1998-12-15 York; Matthew Integrated remote controlled computer and television system
US5864345A (en) * 1996-05-28 1999-01-26 Intel Corporation Table-based color conversion to different RGB16 formats
EP0908059B1 (de) * 1996-06-26 2010-12-15 Sony Electronics, Inc. Verfahren und vorrichtung zur überlagerung eines bewegungsvideosignals über ein analoges videosignal
GB9619119D0 (en) * 1996-09-12 1996-10-23 Discreet Logic Inc Processing image
US6333750B1 (en) * 1997-03-12 2001-12-25 Cybex Computer Products Corporation Multi-sourced video distribution hub
FI115684B (fi) * 2001-10-19 2005-06-15 Swelcom Oy Järjestelmä ja menetelmä videovirran yhdistämiseksi digitaaliseen informaatioon
US7162077B2 (en) * 2001-10-19 2007-01-09 Sharp Laboratories Of America, Inc. Palette-based image compression method, system and data file
US20050015480A1 (en) * 2003-05-05 2005-01-20 Foran James L. Devices for monitoring digital video signals and associated methods and systems
JP2005338185A (ja) * 2004-05-24 2005-12-08 Toshiba Corp 情報処理装置および表示制御方法
JP2005338184A (ja) * 2004-05-24 2005-12-08 Toshiba Corp 情報処理装置および表示制御方法
JP2006030911A (ja) * 2004-07-21 2006-02-02 Toshiba Corp 情報処理装置および表示制御方法
JP4709519B2 (ja) 2004-09-30 2011-06-22 株式会社東芝 情報処理装置および表示制御方法
US20060230415A1 (en) * 2005-03-30 2006-10-12 Cyriac Roeding Electronic device and methods for reproducing mass media content
JP2007025060A (ja) * 2005-07-13 2007-02-01 Toshiba Corp 情報処理装置、および映像信号出力制御方法

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GB1556811A (en) * 1977-05-25 1979-11-28 British Broadcasting Corp Colous television
NL7710959A (en) * 1977-10-06 1978-10-31 Philips Nv Chromatic key signal generator for colour TV - has switch=over circuit linking second video source via controlled amplifier linked to matrix circuit
CA1187166A (en) * 1981-07-09 1985-05-14 Kaichi Yamamoto Digital chromakey apparatus
US4599611A (en) * 1982-06-02 1986-07-08 Digital Equipment Corporation Interactive computer-based information display system
JPS60220387A (ja) * 1984-04-13 1985-11-05 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション ラスタ走査表示装置
US4827253A (en) * 1987-05-18 1989-05-02 Dubner Computer Systems, Inc. Video compositing using a software linear keyer
JP2758180B2 (ja) * 1988-12-27 1998-05-28 株式会社東芝 縁取り信号処理回路

Also Published As

Publication number Publication date
DE69229740D1 (de) 1999-09-09
EP0619929A4 (de) 1995-06-28
US5218432A (en) 1993-06-08
WO1993013627A1 (en) 1993-07-08
EP0619929A1 (de) 1994-10-19
AU2298192A (en) 1993-07-28
DE69229740T2 (de) 2000-04-13
EP0619929B1 (de) 1999-08-04

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties