WO2012011724A3 - 미디어 파일 송수신 방법 및 그를 이용한 송수신 장치 - Google Patents

미디어 파일 송수신 방법 및 그를 이용한 송수신 장치 Download PDF

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Publication number
WO2012011724A3
WO2012011724A3 PCT/KR2011/005307 KR2011005307W WO2012011724A3 WO 2012011724 A3 WO2012011724 A3 WO 2012011724A3 KR 2011005307 W KR2011005307 W KR 2011005307W WO 2012011724 A3 WO2012011724 A3 WO 2012011724A3
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WO
WIPO (PCT)
Prior art keywords
transmitting
transceiving
receiving
same
media files
Prior art date
Application number
PCT/KR2011/005307
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English (en)
French (fr)
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WO2012011724A2 (ko
Inventor
김경호
이현재
차이바카
Original Assignee
엘지전자 주식회사
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
Priority to CN201180044822.4A priority Critical patent/CN103109540B/zh
Priority to EP11809851.6A priority patent/EP2597870B1/en
Priority to US13/811,198 priority patent/US9131274B2/en
Priority to KR1020147000387A priority patent/KR20140008478A/ko
Priority to KR1020177009516A priority patent/KR101759959B1/ko
Priority to KR1020167035531A priority patent/KR101727050B1/ko
Priority to KR1020167022031A priority patent/KR101689616B1/ko
Priority to KR1020147020005A priority patent/KR101651137B1/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020137001532A priority patent/KR101476934B1/ko
Publication of WO2012011724A2 publication Critical patent/WO2012011724A2/ko
Publication of WO2012011724A3 publication Critical patent/WO2012011724A3/ko
Priority to US14/811,321 priority patent/US9699521B2/en
Priority to US14/943,346 priority patent/US9699522B2/en
Priority to US15/613,723 priority patent/US10129609B2/en

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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]
    • H04N21/20—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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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]
    • H04N21/40—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]
    • H04N21/40—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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

본 발명은 MPEG2 TS(Transport Stream) 기반 미디어 파일을 송수신하는 방법 및 장치에 관한 것으로, 그 송신 방법은 미디어 파일에 포함된 프로그램을 구성하는 적어도 하나의 프로그램 엘리먼트에 대해 재생 유닛(PU, Presentation Unit)의 PTS를 다른 미디어와의 동기화를 위한 미디어 재생 시간(MPT, Media Presentation Time)에 매핑하는 단계; 및 매핑된 미디어 재생 시간을 포함하는 동기화 정보를 미디어 파일과 함께 전송하는 단계를 포함한다.
PCT/KR2011/005307 2010-07-19 2011-07-19 미디어 파일 송수신 방법 및 그를 이용한 송수신 장치 WO2012011724A2 (ko)

Priority Applications (12)

Application Number Priority Date Filing Date Title
KR1020167022031A KR101689616B1 (ko) 2010-07-19 2011-07-19 미디어 세그먼트 송수신 방법 및 그를 이용한 송수신 장치
US13/811,198 US9131274B2 (en) 2010-07-19 2011-07-19 Method for transceiving media files and device for transmitting/receiving using same
KR1020147000387A KR20140008478A (ko) 2010-07-19 2011-07-19 미디어 파일 송수신 방법 및 그를 이용한 송수신 장치
KR1020177009516A KR101759959B1 (ko) 2010-07-19 2011-07-19 미디어 컴포넌트 송수신 방법 및 그를 이용한 송수신 장치
KR1020167035531A KR101727050B1 (ko) 2010-07-19 2011-07-19 미디어 세그먼트 송수신 방법 및 그를 이용한 송수신 장치
CN201180044822.4A CN103109540B (zh) 2010-07-19 2011-07-19 收发媒体文件的方法以及使用该方法发送/接收的装置
KR1020147020005A KR101651137B1 (ko) 2010-07-19 2011-07-19 미디어 세그먼트 송수신 방법 및 그를 이용한 송수신 장치
EP11809851.6A EP2597870B1 (en) 2010-07-19 2011-07-19 Method for transmitting media files
KR1020137001532A KR101476934B1 (ko) 2010-07-19 2011-07-19 미디어 파일 송수신 방법 및 그를 이용한 송수신 장치
US14/811,321 US9699521B2 (en) 2010-07-19 2015-07-28 Method for transceiving media files and device for transmitting/receiving using same
US14/943,346 US9699522B2 (en) 2010-07-19 2015-11-17 Method for transceiving media files and device for transmitting/receiving using same
US15/613,723 US10129609B2 (en) 2010-07-19 2017-06-05 Method for transceiving media files and device for transmitting/receiving using same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US36574610P 2010-07-19 2010-07-19
US61/365,746 2010-07-19
US201161453948P 2011-03-17 2011-03-17
US61/453,948 2011-03-17

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/811,198 A-371-Of-International US9131274B2 (en) 2010-07-19 2011-07-19 Method for transceiving media files and device for transmitting/receiving using same
US14/811,321 Continuation US9699521B2 (en) 2010-07-19 2015-07-28 Method for transceiving media files and device for transmitting/receiving using same

Publications (2)

Publication Number Publication Date
WO2012011724A2 WO2012011724A2 (ko) 2012-01-26
WO2012011724A3 true WO2012011724A3 (ko) 2012-05-03

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PCT/KR2011/005307 WO2012011724A2 (ko) 2010-07-19 2011-07-19 미디어 파일 송수신 방법 및 그를 이용한 송수신 장치

Country Status (5)

Country Link
US (4) US9131274B2 (ko)
EP (1) EP2597870B1 (ko)
KR (6) KR101759959B1 (ko)
CN (2) CN105611320B (ko)
WO (1) WO2012011724A2 (ko)

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