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CN109565466A - 多设备间唇音同步方法及设备 - Google Patents

多设备间唇音同步方法及设备 Download PDF

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Publication number
CN109565466A
CN109565466A CN201780049030.3A CN201780049030A CN109565466A CN 109565466 A CN109565466 A CN 109565466A CN 201780049030 A CN201780049030 A CN 201780049030A CN 109565466 A CN109565466 A CN 109565466A
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CN
China
Prior art keywords
equipment
rtcp
main equipment
port
program clock
Prior art date
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Granted
Application number
CN201780049030.3A
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English (en)
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CN109565466B (zh
Inventor
孙涛
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.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN109565466A publication Critical patent/CN109565466A/zh
Application granted granted Critical
Publication of CN109565466B publication Critical patent/CN109565466B/zh
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Classifications

    • 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
    • H04L65/60—Network streaming of media packets
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • 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
    • H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
    • 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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697—Synchronisation in a packet node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H04L12/287—Remote access server, e.g. BRAS
    • H04L12/2874—Processing of data for distribution to the subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/28—Timers or timing mechanisms used in protocols
    • 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
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • 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
    • H04N21/43072—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 multiple content streams on the same device
    • 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
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9265—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal
    • H04N5/9267—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

本发明实施例提供一种多设备间唇音同步方法及设备，该方法包括：从设备接收主设备发送的RTCP报文，根据RTCP报文中的PCR、主设备节目时钟频率、从设备的节目时钟频率和RTCP时延校正自身的STC，接着接收主设备发布的RTP，将RTP拼接成完整的音频数据帧放入从设备的PCM缓存，输出PCM缓存中的音频数据帧。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201780049030.3A 2017-03-23 2017-03-23 多设备间唇音同步方法及设备 Active CN109565466B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/077925 WO2018170852A1 (zh) 2017-03-23 2017-03-23 多设备间唇音同步方法及设备

Publications (2)

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CN109565466A true CN109565466A (zh) 2019-04-02
CN109565466B CN109565466B (zh) 2020-11-06

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US (1) US11146611B2 (zh)
EP (1) EP3591908B9 (zh)
CN (1) CN109565466B (zh)
WO (1) WO2018170852A1 (zh)

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CN112130616A (zh) * 2020-09-28 2020-12-25 北京小米松果电子有限公司 时钟同步方法、装置及存储介质
CN112887773A (zh) * 2021-01-22 2021-06-01 昆腾微电子股份有限公司 一种音频设备的同步方法及装置
CN113519146A (zh) * 2020-02-12 2021-10-19 深圳元戎启行科技有限公司 流媒体网络时延确定方法、装置、计算机设备、可读存储介质和远程驾驶系统
CN113676470A (zh) * 2021-08-17 2021-11-19 维沃移动通信有限公司 获取rtcp报告信息的方法和装置
CN114827696A (zh) * 2021-01-29 2022-07-29 华为技术有限公司 一种跨设备的音视频数据同步播放的方法和电子设备
CN115801859A (zh) * 2022-11-10 2023-03-14 广东美的智能科技有限公司 组态设备之间的连接方法、工业控制装置和系统

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CN111954050B (zh) * 2019-05-14 2022-08-30 福州瑞芯微电子股份有限公司 一种多设备间视频同步的方法及系统
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CN113613125B (zh) * 2021-04-26 2024-07-09 珠海市杰理科技股份有限公司 音频同步控制方法、装置及音频设备、系统

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CN113519146A (zh) * 2020-02-12 2021-10-19 深圳元戎启行科技有限公司 流媒体网络时延确定方法、装置、计算机设备、可读存储介质和远程驾驶系统
CN112130616A (zh) * 2020-09-28 2020-12-25 北京小米松果电子有限公司 时钟同步方法、装置及存储介质
CN112887773A (zh) * 2021-01-22 2021-06-01 昆腾微电子股份有限公司 一种音频设备的同步方法及装置
CN114827696A (zh) * 2021-01-29 2022-07-29 华为技术有限公司 一种跨设备的音视频数据同步播放的方法和电子设备
CN113676470A (zh) * 2021-08-17 2021-11-19 维沃移动通信有限公司 获取rtcp报告信息的方法和装置
CN113676470B (zh) * 2021-08-17 2023-02-07 维沃移动通信有限公司 获取rtcp报告信息的方法和装置
CN115801859A (zh) * 2022-11-10 2023-03-14 广东美的智能科技有限公司 组态设备之间的连接方法、工业控制装置和系统
CN115801859B (zh) * 2022-11-10 2024-06-04 广东美的智能科技有限公司 组态设备之间的连接方法、工业控制装置和系统

Also Published As

Publication number Publication date
EP3591908A4 (en) 2020-01-08
US11146611B2 (en) 2021-10-12
US20200099734A1 (en) 2020-03-26
EP3591908B9 (en) 2022-04-06
CN109565466B (zh) 2020-11-06
WO2018170852A1 (zh) 2018-09-27
EP3591908B1 (en) 2022-02-09
EP3591908A1 (en) 2020-01-08

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