WO2005067285A3 - Controlling the overlay of multiple video signals - Google Patents

Controlling the overlay of multiple video signals Download PDF

Info

Publication number
WO2005067285A3
WO2005067285A3 PCT/US2004/041802 US2004041802W WO2005067285A3 WO 2005067285 A3 WO2005067285 A3 WO 2005067285A3 US 2004041802 W US2004041802 W US 2004041802W WO 2005067285 A3 WO2005067285 A3 WO 2005067285A3
Authority
WO
WIPO (PCT)
Prior art keywords
overlay
controlling
video signals
multiple video
video signal
Prior art date
Application number
PCT/US2004/041802
Other languages
French (fr)
Other versions
WO2005067285A2 (en
Inventor
Qixiong Bian
Original Assignee
Intel Corp
Qixiong Bian
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 Intel Corp, Qixiong Bian filed Critical Intel Corp
Priority to JP2006545793A priority Critical patent/JP4443571B2/en
Priority to GB0608715A priority patent/GB2423210B/en
Priority to DE112004002520T priority patent/DE112004002520T5/en
Priority to CN2004800359663A priority patent/CN1890961B/en
Publication of WO2005067285A2 publication Critical patent/WO2005067285A2/en
Publication of WO2005067285A3 publication Critical patent/WO2005067285A3/en

Links

Classifications

    • 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
    • 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
    • H04N21/42653—Internal components of the client ; Characteristics thereof for processing graphics
    • 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
    • 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
    • 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

Abstract

In one embodiment the present invention includes receiving an alpha component of a graphics signal, receiving a primary video signal, and receiving a secondary video signal. A portion of the alpha component is extracted and applied to the extracted portion to render the secondary video signal over the primary video signal.
PCT/US2004/041802 2003-12-22 2004-12-10 Controlling the overlay of multiple video signals WO2005067285A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006545793A JP4443571B2 (en) 2003-12-22 2004-12-10 Control method of overlay of multiplexed video signal
GB0608715A GB2423210B (en) 2003-12-22 2004-12-10 Controlling the overlay of multiple video signals
DE112004002520T DE112004002520T5 (en) 2003-12-22 2004-12-10 Control of the overlay of several video signals
CN2004800359663A CN1890961B (en) 2003-12-22 2004-12-10 Controlling the overlay of multiple video signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/744,224 2003-12-22
US10/744,224 US7486337B2 (en) 2003-12-22 2003-12-22 Controlling the overlay of multiple video signals

Publications (2)

Publication Number Publication Date
WO2005067285A2 WO2005067285A2 (en) 2005-07-21
WO2005067285A3 true WO2005067285A3 (en) 2006-01-26

Family

ID=34678789

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/041802 WO2005067285A2 (en) 2003-12-22 2004-12-10 Controlling the overlay of multiple video signals

Country Status (8)

Country Link
US (1) US7486337B2 (en)
JP (1) JP4443571B2 (en)
KR (1) KR100824463B1 (en)
CN (1) CN1890961B (en)
DE (1) DE112004002520T5 (en)
GB (1) GB2423210B (en)
TW (1) TWI264946B (en)
WO (1) WO2005067285A2 (en)

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Also Published As

Publication number Publication date
US7486337B2 (en) 2009-02-03
TWI264946B (en) 2006-10-21
WO2005067285A2 (en) 2005-07-21
GB2423210A (en) 2006-08-16
GB2423210B (en) 2009-11-11
DE112004002520T5 (en) 2006-10-05
US20050134739A1 (en) 2005-06-23
CN1890961A (en) 2007-01-03
JP4443571B2 (en) 2010-03-31
KR100824463B1 (en) 2008-04-22
JP2007514390A (en) 2007-05-31
TW200526038A (en) 2005-08-01
CN1890961B (en) 2011-01-12
KR20060103457A (en) 2006-09-29
GB0608715D0 (en) 2006-06-14

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