WO2007030370A8 - Optimizing data rate for video services - Google Patents

Optimizing data rate for video services

Info

Publication number
WO2007030370A8
WO2007030370A8 PCT/US2006/033965 US2006033965W WO2007030370A8 WO 2007030370 A8 WO2007030370 A8 WO 2007030370A8 US 2006033965 W US2006033965 W US 2006033965W WO 2007030370 A8 WO2007030370 A8 WO 2007030370A8
Authority
WO
WIPO (PCT)
Prior art keywords
data rate
video services
optimizing data
video
delivered
Prior art date
Application number
PCT/US2006/033965
Other languages
French (fr)
Other versions
WO2007030370A1 (en
Inventor
James F Mcdonald
Arturo A Rodriguez
Luis Avila
William E Wall
Original Assignee
Scientific Atlanta
James F Mcdonald
Arturo A Rodriguez
Luis Avila
William E Wall
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 Scientific Atlanta, James F Mcdonald, Arturo A Rodriguez, Luis Avila, William E Wall filed Critical Scientific Atlanta
Priority to CA2621605A priority Critical patent/CA2621605C/en
Priority to EP06802683.0A priority patent/EP1922877B1/en
Publication of WO2007030370A1 publication Critical patent/WO2007030370A1/en
Publication of WO2007030370A8 publication Critical patent/WO2007030370A8/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6373—Control signals issued by the client directed to the server or network components for rate control, e.g. request to the server to modify its transmission rate

Abstract

Optimizing data rates for video services on a broadband network. Different data rates can be delivered to a subscriber premises depending on the size of the display screen connected to a set-top box, the type of content being requested, or whether there is real-time viewing. Therefore, the data rate can be optimized to maximize the number of video streams that can be delivered to any one subscriber without causing a perceived reduction in video picture quality.
PCT/US2006/033965 2005-09-07 2006-08-31 Optimizing data rate for video services WO2007030370A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2621605A CA2621605C (en) 2005-09-07 2006-08-31 Optimizing data rate for video services
EP06802683.0A EP1922877B1 (en) 2005-09-07 2006-08-31 Optimizing data rate for video services

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/162,345 US8189472B2 (en) 2005-09-07 2005-09-07 Optimizing bandwidth utilization to a subscriber premises
US11/162,345 2005-09-07

Publications (2)

Publication Number Publication Date
WO2007030370A1 WO2007030370A1 (en) 2007-03-15
WO2007030370A8 true WO2007030370A8 (en) 2007-04-26

Family

ID=37478713

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/033965 WO2007030370A1 (en) 2005-09-07 2006-08-31 Optimizing data rate for video services

Country Status (4)

Country Link
US (5) US8189472B2 (en)
EP (1) EP1922877B1 (en)
CA (1) CA2621605C (en)
WO (1) WO2007030370A1 (en)

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US20080282307A1 (en) 2008-11-13
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WO2007030370A1 (en) 2007-03-15
CA2621605A1 (en) 2007-03-15
US8189472B2 (en) 2012-05-29
US20080279217A1 (en) 2008-11-13
US20120233654A1 (en) 2012-09-13
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US7961643B2 (en) 2011-06-14
CA2621605C (en) 2013-08-06

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