WO2005001702A3 - Synchronized transmission of audio and video data from a computer to a client via an interface - Google Patents

Synchronized transmission of audio and video data from a computer to a client via an interface Download PDF

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Publication number
WO2005001702A3
WO2005001702A3 PCT/US2004/018659 US2004018659W WO2005001702A3 WO 2005001702 A3 WO2005001702 A3 WO 2005001702A3 US 2004018659 W US2004018659 W US 2004018659W WO 2005001702 A3 WO2005001702 A3 WO 2005001702A3
Authority
WO
WIPO (PCT)
Prior art keywords
interface
computer
buffer
client via
audio
Prior art date
Application number
PCT/US2004/018659
Other languages
French (fr)
Other versions
WO2005001702A2 (en
Inventor
Giovanni M Agnoli
Andrew Yanowitz
John O Abt
Samuel R Bowman
James A Delwiche
Jeffrey C Dillon
Original Assignee
Apple Computer
Giovanni M Agnoli
Andrew Yanowitz
John O Abt
Samuel R Bowman
James A Delwiche
Jeffrey C Dillon
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 Apple Computer, Giovanni M Agnoli, Andrew Yanowitz, John O Abt, Samuel R Bowman, James A Delwiche, Jeffrey C Dillon filed Critical Apple Computer
Priority to EP12187851.6A priority Critical patent/EP2546827B1/en
Priority to EP04776494.9A priority patent/EP1634180B1/en
Priority to CN200480016107.XA priority patent/CN1802639B/en
Priority to JP2006533742A priority patent/JP4846589B2/en
Priority to EP14156027.6A priority patent/EP2757792B1/en
Publication of WO2005001702A2 publication Critical patent/WO2005001702A2/en
Publication of WO2005001702A3 publication Critical patent/WO2005001702A3/en
Priority to HK06112623.4A priority patent/HK1091007A1/en

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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
    • 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
    • H04N21/4113—PC
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64707—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless for transferring content from a first network to a second network, e.g. between IP and wireless
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2350/00—Solving problems of bandwidth in display systems
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/02—Networking aspects
    • G09G2370/025—LAN communication management
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/10—Use of a protocol of communication by packets in interfaces along the display data pipeline
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Abstract

A method for controlling data transmission between a computer and a video client via an interface, the method comprising: the computer polling the interface a first time (200) to determine the size of the buffer on the interface; receiving a first buffer size value from the interface; sending a plurality of frames of video and audio data (202) to the buffer on the interface such that a delay period exists between the sending of each frame; the computer polling the interface a second time (204) to determine buffer site after the frames are sent to the interface; receiving a second buffer size value from the interface; and modifying the amount of time (208 and 212) between the transmission of frames.
PCT/US2004/018659 2003-06-13 2004-06-10 Synchronized transmission of audio and video data from a computer to a client via an interface WO2005001702A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12187851.6A EP2546827B1 (en) 2003-06-13 2004-06-10 Synchronized transmission of audio and video data between a computer and a client via an interface
EP04776494.9A EP1634180B1 (en) 2003-06-13 2004-06-10 Synchronized transmission of audio and video data from a computer to a client via an interface
CN200480016107.XA CN1802639B (en) 2003-06-13 2004-06-10 Synchronized transmission of audio and video data from a computer to a client via an interface
JP2006533742A JP4846589B2 (en) 2003-06-13 2004-06-10 Synchronous transmission of audio and video data from the computer to the client via the interface
EP14156027.6A EP2757792B1 (en) 2003-06-13 2004-06-10 Synchronized transmission of audio and video data from a computer to a client via an interface
HK06112623.4A HK1091007A1 (en) 2003-06-13 2006-11-16 Synchronized transmission of audio and video data from a computer to a client via an interface

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US47833603P 2003-06-13 2003-06-13
US60/478,336 2003-06-13
US10/746,283 2003-12-23
US10/746,283 US7353284B2 (en) 2003-06-13 2003-12-23 Synchronized transmission of audio and video data from a computer to a client via an interface

Publications (2)

Publication Number Publication Date
WO2005001702A2 WO2005001702A2 (en) 2005-01-06
WO2005001702A3 true WO2005001702A3 (en) 2005-03-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/018659 WO2005001702A2 (en) 2003-06-13 2004-06-10 Synchronized transmission of audio and video data from a computer to a client via an interface

Country Status (5)

Country Link
US (3) US7353284B2 (en)
EP (4) EP1634180B1 (en)
JP (1) JP4846589B2 (en)
HK (1) HK1091007A1 (en)
WO (1) WO2005001702A2 (en)

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