CA2269874A1 - Method and apparatus for masking the effects of latency in an interactive information distribution system - Google Patents

Method and apparatus for masking the effects of latency in an interactive information distribution system

Info

Publication number
CA2269874A1
CA2269874A1 CA002269874A CA2269874A CA2269874A1 CA 2269874 A1 CA2269874 A1 CA 2269874A1 CA 002269874 A CA002269874 A CA 002269874A CA 2269874 A CA2269874 A CA 2269874A CA 2269874 A1 CA2269874 A1 CA 2269874A1
Authority
CA
Canada
Prior art keywords
set top
predefined
information
sound
latency
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
CA002269874A
Other languages
French (fr)
Other versions
CA2269874C (en
Inventor
Christopher Goode
Donald Gordon
Mark D. Conover
Daniel Illowsky
Philip A. Thomas
Brooks Cole
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.)
Comcast IP Holdings I LLC
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 CA2269874A1 publication Critical patent/CA2269874A1/en
Application granted granted Critical
Publication of CA2269874C publication Critical patent/CA2269874C/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]
    • H04N21/40—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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

Abstract

A method (200) and apparatus for masking the effects of latency within an information distribution system (100). The apparatus comprises a set top terminal (108) that requests and receives information from an information server (102). The information is generally displayed upon a conventional television (110) coupled to the set top terminal which contains a central processing unit (122) and an information stream decoder (130) programmed to implement the method. Upon execution of certain functions selected by a subscriber usually via a remote control (112), the method recalls (205) a predefined image from memory and begins to fade (206) the presently displayed image into a predefined image, e.g., a white screen. Simultaneously, the presently playing sound is also faded into the predefined sound, e.g., no sound. The decoder within the set top is reset (210). Lastly, the set top terminal fades (214) up from the predefined image to the new decoded video stream and from the predefined audio to the new audio stream.
CA002269874A 1996-10-25 1997-10-24 Method and apparatus for masking the effects of latency in an interactive information distribution system Expired - Lifetime CA2269874C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/738,361 1996-10-25
US08/738,361 US5781227A (en) 1996-10-25 1996-10-25 Method and apparatus for masking the effects of latency in an interactive information distribution system
PCT/US1997/019448 WO1998018260A1 (en) 1996-10-25 1997-10-24 Method and apparatus for masking the effects of latency in an interactive information distribution system

Publications (2)

Publication Number Publication Date
CA2269874A1 true CA2269874A1 (en) 1998-04-30
CA2269874C CA2269874C (en) 2006-05-23

Family

ID=24967670

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002269874A Expired - Lifetime CA2269874C (en) 1996-10-25 1997-10-24 Method and apparatus for masking the effects of latency in an interactive information distribution system

Country Status (8)

Country Link
US (2) US5781227A (en)
EP (1) EP0934660B1 (en)
AR (1) AR010533A1 (en)
AT (1) ATE230541T1 (en)
AU (1) AU5090198A (en)
CA (1) CA2269874C (en)
DE (1) DE69718195T2 (en)
WO (1) WO1998018260A1 (en)

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Also Published As

Publication number Publication date
DE69718195D1 (en) 2003-02-06
US5781227A (en) 1998-07-14
WO1998018260A1 (en) 1998-04-30
EP0934660A1 (en) 1999-08-11
DE69718195T2 (en) 2003-10-23
EP0934660B1 (en) 2003-01-02
AR010533A1 (en) 2000-06-28
EP0934660A4 (en) 1999-08-11
ATE230541T1 (en) 2003-01-15
CA2269874C (en) 2006-05-23
AU5090198A (en) 1998-05-15
US5966162A (en) 1999-10-12

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20171024

MKEX Expiry

Effective date: 20171024