[go: up one dir, main page]

GB201400944D0 - Method and apparatus for determining synchronisation of audio signals - Google Patents

Method and apparatus for determining synchronisation of audio signals

Info

Publication number
GB201400944D0
GB201400944D0 GBGB1400944.3A GB201400944A GB201400944D0 GB 201400944 D0 GB201400944 D0 GB 201400944D0 GB 201400944 A GB201400944 A GB 201400944A GB 201400944 D0 GB201400944 D0 GB 201400944D0
Authority
GB
United Kingdom
Prior art keywords
audio signals
synchronisation
determining
determining synchronisation
audio
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB1400944.3A
Other versions
GB2522260A (en
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB1400944.3A priority Critical patent/GB2522260A/en
Publication of GB201400944D0 publication Critical patent/GB201400944D0/en
Priority to PCT/GB2015/050119 priority patent/WO2015107372A1/en
Publication of GB2522260A publication Critical patent/GB2522260A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • 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]
    • H04N21/20—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
    • H04N21/233—Processing of audio elementary streams
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2368—Multiplexing of audio and video streams
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4341—Demultiplexing of audio and video streams
    • 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
    • H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB1400944.3A 2014-01-20 2014-01-20 Method and apparatus for determining synchronisation of audio signals Withdrawn GB2522260A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1400944.3A GB2522260A (en) 2014-01-20 2014-01-20 Method and apparatus for determining synchronisation of audio signals
PCT/GB2015/050119 WO2015107372A1 (en) 2014-01-20 2015-01-20 Method and apparatus for determining synchronisation of audio signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1400944.3A GB2522260A (en) 2014-01-20 2014-01-20 Method and apparatus for determining synchronisation of audio signals

Publications (2)

Publication Number Publication Date
GB201400944D0 true GB201400944D0 (en) 2014-03-05
GB2522260A GB2522260A (en) 2015-07-22

Family

ID=50239201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1400944.3A Withdrawn GB2522260A (en) 2014-01-20 2014-01-20 Method and apparatus for determining synchronisation of audio signals

Country Status (2)

Country Link
GB (1) GB2522260A (en)
WO (1) WO2015107372A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107484010B (en) * 2017-10-09 2020-03-17 武汉斗鱼网络科技有限公司 Video resource decoding method and device
CN109600665B (en) * 2018-08-01 2020-06-19 北京微播视界科技有限公司 Method and apparatus for processing data

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461002B2 (en) * 2001-04-13 2008-12-02 Dolby Laboratories Licensing Corporation Method for time aligning audio signals using characterizations based on auditory events
US7142250B1 (en) * 2003-04-05 2006-11-28 Apple Computer, Inc. Method and apparatus for synchronizing audio and video streams
US7359006B1 (en) * 2003-05-20 2008-04-15 Micronas Usa, Inc. Audio module supporting audio signature
KR100499037B1 (en) * 2003-07-01 2005-07-01 엘지전자 주식회사 Method and apparatus of dtv lip-sync test
ATE373389T1 (en) * 2003-07-25 2007-09-15 Koninkl Philips Electronics Nv METHOD AND DEVICE FOR GENERATING AND DETECTING FINGERPRINTS FOR SYNCHRONIZING AUDIO AND VIDEO
US20050219366A1 (en) * 2004-03-31 2005-10-06 Hollowbush Richard R Digital audio-video differential delay and channel analyzer
WO2006101504A1 (en) * 2004-06-22 2006-09-28 Sarnoff Corporation Method and apparatus for measuring and/or correcting audio/visual synchronization
US7907212B2 (en) * 2006-03-20 2011-03-15 Vixs Systems, Inc. Multiple path audio video synchronization
CA2541560C (en) * 2006-03-31 2013-07-16 Leitch Technology International Inc. Lip synchronization system and method
GB2499261B (en) * 2012-02-10 2016-05-04 British Broadcasting Corp Method and apparatus for converting audio, video and control signals

Also Published As

Publication number Publication date
GB2522260A (en) 2015-07-22
WO2015107372A1 (en) 2015-07-23

Similar Documents

Publication Publication Date Title
NO346037B1 (en) Apparatus and methods of data synchronization
EP3188487A4 (en) Audio/video signal synchronization method and apparatus
GB201421441D0 (en) Method and apparatus for providing point of interest information
GB201421442D0 (en) Method and apparatus for providing point of interest information
EP3241299A4 (en) Method and apparatus of receiving downlink channel and/or downlink reference signal
EP3122073A4 (en) Audio signal processing method and apparatus
HUE050525T2 (en) Method and apparatus for reproducing three-dimensional audio
SG11201801441XA (en) Method and apparatus for determining deployment need for point of interest
GB2526047B (en) Method and apparatus for improved signal processing for high dynamic range
PL3668125T3 (en) Method and apparatus for rendering acoustic signal
PL3186807T3 (en) Apparatus and method for generating an enhanced audio signal using independent noise-filling
SG11201607052SA (en) Method for detecting audio signal and apparatus
PL3654333T3 (en) Method for processing an audio signal and audio decoder
PL3364413T3 (en) Method of determining noise signal and apparatus thereof
GB2526846B (en) An apparatus and method for providing an apparatus comprising an audio transducer
ZA201608477B (en) Method for processing speech/audio signal and apparatus
GB201607458D0 (en) Apparatus and method for processing audio signals
EP3162118A4 (en) Method and apparatus of enhanced bearer continuity for 3gpp system change
SG11201607517TA (en) Method and apparatus of single sample mode for video coding
PL3148340T3 (en) Apparatus and method for positioning of shrimp
SG11201610302TA (en) Audio encoding method and apparatus
SG10201702547QA (en) Methods of vibro-treating and vibro-treating apparatus
EP3209409A4 (en) Methods and apparatus for mechanical separation of co2
SG11201605947RA (en) Sound effect playback method and apparatus
GB2542741B (en) Soundboard apparatus and method of forming

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)