CA2124390A1 - Close Caption Support with Timewarp - Google Patents

Close Caption Support with Timewarp

Info

Publication number
CA2124390A1
CA2124390A1 CA2124390A CA2124390A CA2124390A1 CA 2124390 A1 CA2124390 A1 CA 2124390A1 CA 2124390 A CA2124390 A CA 2124390A CA 2124390 A CA2124390 A CA 2124390A CA 2124390 A1 CA2124390 A1 CA 2124390A1
Authority
CA
Canada
Prior art keywords
signals
timewarp
television
close caption
displaying
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
CA2124390A
Other languages
French (fr)
Other versions
CA2124390C (en
Inventor
Stephen J. Orr
Antonio A. Rinaldi
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.)
ATI Technologies ULC
Original Assignee
ATI Technologies ULC
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 ATI Technologies ULC filed Critical ATI Technologies ULC
Publication of CA2124390A1 publication Critical patent/CA2124390A1/en
Application granted granted Critical
Publication of CA2124390C publication Critical patent/CA2124390C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • 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
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • 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
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • H04N21/47—End-user applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • 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

Abstract

The present invention relates to a method of providing closed captioned data to a television viewer comprised of detecting closed captioned data signals transmitted in conjunction with a television signal, decoding the data signals to caption display signals, and displaying the caption display signals on an auxiliary screen separate from a screen displaying the television signals.
CA002124390A 1994-02-16 1994-05-26 Close caption support with timewarp Expired - Lifetime CA2124390C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/197,336 US5537151A (en) 1994-02-16 1994-02-16 Close caption support with timewarp
US08/197,336 1994-02-16

Publications (2)

Publication Number Publication Date
CA2124390A1 true CA2124390A1 (en) 1995-08-17
CA2124390C CA2124390C (en) 1999-08-10

Family

ID=22728988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002124390A Expired - Lifetime CA2124390C (en) 1994-02-16 1994-05-26 Close caption support with timewarp

Country Status (2)

Country Link
US (2) US5537151A (en)
CA (1) CA2124390C (en)

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CN110652295A (en) * 2019-10-16 2020-01-07 中山大学 Method and system for quantifying individual difference of activation time sequence

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US8970782B2 (en) 2008-06-24 2015-03-03 Thomson Licensing Method and system for redisplaying text
CN110652295A (en) * 2019-10-16 2020-01-07 中山大学 Method and system for quantifying individual difference of activation time sequence
CN110652295B (en) * 2019-10-16 2022-04-26 中山大学 Method and system for quantifying individual difference of activation time sequence

Also Published As

Publication number Publication date
US5537151A (en) 1996-07-16
CA2124390C (en) 1999-08-10
USRE39003E1 (en) 2006-03-07

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20140526

MKEX Expiry

Effective date: 20140526