WO2017071073A1 - 媒体同步方法和装置 - Google Patents
媒体同步方法和装置 Download PDFInfo
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- WO2017071073A1 WO2017071073A1 PCT/CN2015/099396 CN2015099396W WO2017071073A1 WO 2017071073 A1 WO2017071073 A1 WO 2017071073A1 CN 2015099396 W CN2015099396 W CN 2015099396W WO 2017071073 A1 WO2017071073 A1 WO 2017071073A1
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- 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
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- 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
- H04N21/43079—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 additional data with content streams on multiple devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/303—Terminal profiles
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- 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
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- 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
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- 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
- H04N21/439—Processing of audio elementary streams
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- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims (13)
- 一种媒体同步方法,其特征在于,所述方法包括:从待播放媒体文件中分离出第一媒体文件和第二媒体文件;其中,所述第一媒体文件在无线输出端播放,所述第二媒体文件在本地输出端播放;动态监测所述第一媒体文件的无线传输延时;基于监测到的所述第一媒体文件的无线传输延时,对所述第二媒体文件在本地输出端的播放时间进行适应性调整,以使所述第一媒体文件和所述第二媒体文件同步播放。
- 如权利要求1所述的方法,其特征在于,所述动态监测所述第一媒体文件的无线传输延时包括:从所述第一媒体文件中选定关键帧;将选定的所述关键帧按照帧顺序发送至所述无线输出端,并记录所述关键帧的发出时刻;接收所述无线输出端上报的所述关键帧的接收时刻,并基于所述接收时刻和所述发出时刻计算所述关键帧的无线传输时延,以对所述第一媒体文件的传输时延进行动态监测。
- 如权利要求2所述的方法,其特征在于,所述从所述第一媒体文件中选定关键帧包括:基于预设的帧间隔从所述第一媒体文件中选定关键帧。
- 如权利要求2所述的方法,其特征在于,所述选定的关键帧中预先被添加了预设标记;所述预设标记用于触发所述无线输出端上报所述关键帧的接收时刻。
- 如权利要求2所述的方法,其特征在于,所述基于监测到的所述第一媒体文件的无线传输延时,对所述第二媒体文件的播放时间进行适应性调整包括:基于计算出的所述第一媒体文件的无线传输延时,向所述本地输出设备延时发送所述第二媒体文件,以对所述第二媒体文件在本地输出端的播放时间进行适应性调整。
- 如权利要求2所述的方法,其特征在于,所述方法还包括:周期性的与所述无线输出端进行时钟同步。
- 一种媒体同步装置,其特征在于,所述装置包括:分离模块,被配置为从待播放媒体文件中分离出第一媒体文件和第二媒体文件;其中,所述第一媒体文件在无线输出端播放,所述第二媒体文件在本地输出端播放;监测模块,被配置为动态监测所述第一媒体文件的无线传输延时;调整模块,被配置为基于所述监测模块监测到的所述第一媒体文件的无线传输延时,对所述第二媒体文件在本地输出端的播放时间进行适应性调整,以使所述第一媒体文件和所述第二媒体文件同步播放。
- 如权利要求7所述的装置,其特征在于,所述监测模块包括:选定子模块,被配置为从所述第一媒体文件中选定关键帧;传输子模块,被配置为将选定的所述关键帧按照帧顺序发送至所述无线输出端,并记 录所述关键帧的发出时刻;接收子模块,被配置为接收所述无线输出端上报的所述关键帧的接收时刻;计算子模块,被配置为基于所述接收子模块接收到的接收时刻和所述发出时刻计算所述关键帧的无线传输时延,以对所述第一媒体文件的传输时延进行动态监测。
- 如权利要求8所述的装置,其特征在于,所述选定子模块包括:选定单元,被配置为基于预设的帧间隔从所述第一媒体文件中选定关键帧。
- 如权利要求8所述的装置,其特征在于,所述选定的关键帧中预先被添加了预设标记;所述预设标记用于触发所述无线输出端上报所述关键帧的接收时刻。
- 如权利要求7所述的装置,其特征在于,所述调整模块包括:发送子模块,被配置为基于所述计算子模块计算出的所述第一媒体文件的无线传输延时,向所述本地输出设备延时发送所述第二媒体文件,以对所述第二媒体文件在本地输出端的播放时间进行适应性调整。
- 如权利要求8所述的装置,其特征在于,所述监测模块还包括:同步子模块,被配置为周期性的与所述无线输出端进行时钟同步。
- 一种媒体同步装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:从待播放媒体文件中分离出第一媒体文件和第二媒体文件;其中,所述第一媒体文件在无线输出端播放,所述第二媒体文件在本地输出端播放;动态监测所述第一媒体文件的无线传输延时;基于监测到的所述第一媒体文件的无线传输延时,对所述第二媒体文件在本地输出端的播放时间进行适应性调整,以使所述第一媒体文件和所述第二媒体文件同步播放。
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MX2016005918A MX361829B (es) | 2015-10-29 | 2015-12-29 | Metodo y aparato para ejecutar sincronizacion de medios. |
KR1020167005221A KR20170061100A (ko) | 2015-10-29 | 2015-12-29 | 매체 동기화 방법, 장치, 프로그램 및 컴퓨터 판독가능한 기록매체 |
RU2016116958A RU2648262C2 (ru) | 2015-10-29 | 2015-12-29 | Способ и устройство для выполнения синхронизации мультимедийных данных |
JP2017547054A JP2018502533A (ja) | 2015-10-29 | 2015-12-29 | メディア同期方法、装置、プログラム及び記録媒体 |
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CN201510717967.6A CN105338393A (zh) | 2015-10-29 | 2015-10-29 | 媒体同步方法和装置 |
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US (1) | US20170126801A1 (zh) |
EP (1) | EP3163887A1 (zh) |
JP (1) | JP2018502533A (zh) |
KR (1) | KR20170061100A (zh) |
CN (1) | CN105338393A (zh) |
MX (1) | MX361829B (zh) |
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Cited By (1)
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CN108538115B (zh) * | 2018-03-30 | 2020-08-11 | 重庆智考信息技术有限公司 | 教学直播系统及方法 |
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CN110290453B (zh) * | 2019-06-28 | 2022-03-18 | Oppo广东移动通信有限公司 | 无线播放设备的延时测试方法及系统 |
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CN110493633A (zh) * | 2019-08-19 | 2019-11-22 | 武汉蓝星科技股份有限公司 | 一种图像和音频分离传输系统、方法及移动终端 |
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2015
- 2015-10-29 CN CN201510717967.6A patent/CN105338393A/zh active Pending
- 2015-12-29 MX MX2016005918A patent/MX361829B/es active IP Right Grant
- 2015-12-29 JP JP2017547054A patent/JP2018502533A/ja active Pending
- 2015-12-29 RU RU2016116958A patent/RU2648262C2/ru active
- 2015-12-29 WO PCT/CN2015/099396 patent/WO2017071073A1/zh active Application Filing
- 2015-12-29 KR KR1020167005221A patent/KR20170061100A/ko active Search and Examination
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2016
- 2016-06-10 EP EP16174029.5A patent/EP3163887A1/en not_active Withdrawn
- 2016-06-15 US US15/183,373 patent/US20170126801A1/en not_active Abandoned
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CN109379613A (zh) * | 2018-12-21 | 2019-02-22 | 深圳Tcl新技术有限公司 | 音视频同步调整方法、电视、计算机可读存储介质及系统 |
CN109379613B (zh) * | 2018-12-21 | 2021-11-09 | 深圳Tcl新技术有限公司 | 音视频同步调整方法、电视、计算机可读存储介质及系统 |
Also Published As
Publication number | Publication date |
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US20170126801A1 (en) | 2017-05-04 |
KR20170061100A (ko) | 2017-06-02 |
MX2016005918A (es) | 2017-07-20 |
RU2648262C2 (ru) | 2018-03-23 |
EP3163887A1 (en) | 2017-05-03 |
JP2018502533A (ja) | 2018-01-25 |
MX361829B (es) | 2018-12-18 |
CN105338393A (zh) | 2016-02-17 |
RU2016116958A (ru) | 2017-11-02 |
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