KR101845186B1 - 공통 타이밍 프레임워크를 이용한 다중 멀티미디어 디바이스들의 무선 동기화를 위한 장치들 및 방법들 - Google Patents

공통 타이밍 프레임워크를 이용한 다중 멀티미디어 디바이스들의 무선 동기화를 위한 장치들 및 방법들 Download PDF

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KR101845186B1
KR101845186B1 KR1020167023763A KR20167023763A KR101845186B1 KR 101845186 B1 KR101845186 B1 KR 101845186B1 KR 1020167023763 A KR1020167023763 A KR 1020167023763A KR 20167023763 A KR20167023763 A KR 20167023763A KR 101845186 B1 KR101845186 B1 KR 101845186B1
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South Korea
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multimedia
pcr
source device
sync
devices
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KR20160127010A (ko
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파담 랄 카프레
코스로 모하마드 라비
레이드 매튜 웨스트버그
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • 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
    • 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
    • H04N21/4112—Peripherals receiving signals from specially adapted client devices having fewer capabilities than the client, e.g. thin client having less processing power or no tuning 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
    • H04N21/43—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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43076—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of the same content streams on multiple devices, e.g. when family members are watching the same movie on different devices
    • 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
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • 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 stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • 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
    • H04N21/64784—Data processing by the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020167023763A 2014-02-28 2015-02-19 공통 타이밍 프레임워크를 이용한 다중 멀티미디어 디바이스들의 무선 동기화를 위한 장치들 및 방법들 Expired - Fee Related KR101845186B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201461946053P 2014-02-28 2014-02-28
US61/946,053 2014-02-28
US14/624,844 US9736806B2 (en) 2014-02-28 2015-02-18 Apparatuses and methods for wireless synchronization of multiple multimedia devices using a common timing framework
US14/624,844 2015-02-18
PCT/US2015/016601 WO2015130546A1 (en) 2014-02-28 2015-02-19 Apparatuses and methods for wireless synchronization of multiple multimedia devices using a common timing framework

Publications (2)

Publication Number Publication Date
KR20160127010A KR20160127010A (ko) 2016-11-02
KR101845186B1 true KR101845186B1 (ko) 2018-04-03

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KR1020167023763A Expired - Fee Related KR101845186B1 (ko) 2014-02-28 2015-02-19 공통 타이밍 프레임워크를 이용한 다중 멀티미디어 디바이스들의 무선 동기화를 위한 장치들 및 방법들

Country Status (6)

Country Link
US (1) US9736806B2 (enExample)
EP (2) EP3111660A1 (enExample)
JP (1) JP6313466B2 (enExample)
KR (1) KR101845186B1 (enExample)
CN (1) CN106063286A (enExample)
WO (1) WO2015130546A1 (enExample)

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GB2525929B (en) * 2014-05-09 2016-08-10 Imagination Tech Ltd Time stamp replication within a wireless network
US10129839B2 (en) * 2014-12-05 2018-11-13 Qualcomm Incorporated Techniques for synchronizing timing of wireless streaming transmissions to multiple sink devices
WO2018056138A1 (ja) 2016-09-23 2018-03-29 ソニー株式会社 無線機器、無線機器の処理方法およびプログラム
US10255032B2 (en) * 2016-12-13 2019-04-09 EVA Automation, Inc. Wireless coordination of audio sources
US10120642B2 (en) 2016-12-13 2018-11-06 EVA Automation, Inc. Software-based wireless coordination of audio playback
US10901684B2 (en) 2016-12-13 2021-01-26 EVA Automation, Inc. Wireless inter-room coordination of audio playback
CN110098884B (zh) * 2018-01-31 2021-05-18 慧与发展有限责任合伙企业 用于确定异常时钟的方法及设备
KR102001550B1 (ko) * 2018-04-02 2019-07-18 주식회사 인켈 멀티룸 스피커 시스템 및 그의 데이터 동기화 방법
TW202214806A (zh) 2020-09-30 2022-04-16 日商太陽油墨製造股份有限公司 各向異性導電連接材料及使用各向異性導電連接材料之電子元件的安裝方法
CN117676219A (zh) * 2022-08-29 2024-03-08 华为技术有限公司 一种数据传输方法及装置

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JP4062504B2 (ja) * 2002-09-09 2008-03-19 ソニー株式会社 同期化方法、通信システムおよびデータ受信装置
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JP2006244060A (ja) * 2005-03-02 2006-09-14 Mitsubishi Electric Corp コンテンツ配信装置、コンテンツ提示用端末及びリクエスト用端末並びにコンテンツ同期配信プログラム
US7733835B2 (en) * 2005-07-20 2010-06-08 Interdigital Technology Corporation Method and system for reducing power consumption of a wireless transmit/receive unit
KR100801002B1 (ko) 2006-06-05 2008-02-11 삼성전자주식회사 무선 네트워크 상에서 멀티미디어 데이터를 전송/재생하는방법, 및 그 방법을 이용한 무선 기기
US20080178243A1 (en) 2007-01-19 2008-07-24 Suiwu Dong Multimedia client/server system with audio synchronization and methods for use therewith
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Also Published As

Publication number Publication date
KR20160127010A (ko) 2016-11-02
US20150249967A1 (en) 2015-09-03
EP3270599A1 (en) 2018-01-17
US9736806B2 (en) 2017-08-15
JP6313466B2 (ja) 2018-04-18
JP2017512414A (ja) 2017-05-18
CN106063286A (zh) 2016-10-26
WO2015130546A1 (en) 2015-09-03
EP3111660A1 (en) 2017-01-04

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