WO2008043210A1 - Procédé de traitement de vidéo à diffusion multimédia pour un terminal mobile - Google Patents

Procédé de traitement de vidéo à diffusion multimédia pour un terminal mobile Download PDF

Info

Publication number
WO2008043210A1
WO2008043210A1 PCT/CN2006/003666 CN2006003666W WO2008043210A1 WO 2008043210 A1 WO2008043210 A1 WO 2008043210A1 CN 2006003666 W CN2006003666 W CN 2006003666W WO 2008043210 A1 WO2008043210 A1 WO 2008043210A1
Authority
WO
WIPO (PCT)
Prior art keywords
video
data
display
parameter data
processing method
Prior art date
Application number
PCT/CN2006/003666
Other languages
English (en)
Chinese (zh)
Inventor
Can Shen
Jinian Liu
Zhongfen Chen
Jianqiang Zhang
Zhiying Wang
Hailong Wen
Jun Chen
Original Assignee
Zte, Corporation
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 Zte, Corporation filed Critical Zte, Corporation
Publication of WO2008043210A1 publication Critical patent/WO2008043210A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/57—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for mobile receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/13—Arrangements for device control affected by the broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/73—Systems specially adapted for using specific information, e.g. geographical or meteorological information using meta-information
    • 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
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6547—Transmission by server directed to the client comprising parameters, e.g. for client setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only

Definitions

  • the present invention relates to the field of mobile multimedia broadcast or mobile TV technology, and in particular, to a mobile multimedia broadcast video processing method.
  • Mobile multimedia broadcasting is a multimedia playback technology that has emerged in recent years. With a handheld terminal, you can watch TV at high speeds. The terminal receives the program list through the wireless protocol, and can select the channel that has the right to watch, so that the multimedia data of the selected channel can be accepted, and the television is watched on the mobile terminal.
  • the air data transmitted by the mobile multimedia broadcast service network is divided into different channels and transmitted separately by multiplexing technology, and the terminal can receive relevant data, and realize normal broadcast of the television through the player on the terminal.
  • video data and audio data need to be transmitted, and the video data is divided into video units, and the video data may include one or more pictures, so that the terminal can display multiple pictures.
  • displaying a ⁇ on a single screen is a full screen display or determining how to display multiple screens according to terminal selection, which is also disadvantageous for the service network to actively send video information without affecting the application of the terminal user at the current time, such as browsing the e-book, etc. .
  • the technical problem to be solved by the present invention is to provide a video in a mobile multimedia broadcast/broadcast system.
  • the processing method can directly control the display of the terminal by the service network, and further meet the needs of the multi-picture video display processing.
  • the above technical problem of the present invention is solved by providing a mobile multimedia broadcast video processing method, using a service network and a mobile terminal in its coverage, comprising the following steps: A) the service network sends the real-time video stream through the wireless channel with parameter data Formally transmitting its corresponding display window control information;
  • the mobile terminal receives the video stream and the parameter data, and restores the display window control information and displays the corresponding content of the video stream in the specified display window of the mobile terminal display in accordance with the requirement.
  • the parameter data is control signaling, and the mobile terminal directly receives the parameter data.
  • the parameter data is transmitted through the wireless channel, and the mobile terminal receives the video stream, and correspondingly extracts and extracts the parameter data.
  • the video stream is simultaneously transmitted and received in multiple channels, and the respective video data are jointly encapsulated in one channel data, the display window control information includes control information of each display window of each path, and the parameter data is included in the In the channel data, the mobile terminal receives the channel data through the data channel transmission in the wireless channel, and correspondingly unlocks the parameter number.
  • the channel data includes a packet header, video data, voice data, and synchronization data, and the packet header includes the parameter data; the video data includes a video packet header and N video units, and the video packet header includes a video unit for identifying a video unit.
  • the video stream number of the video stream and the length of the video unit, the video header does not include the parameter data.
  • the channel data includes a packet header, video data, voice data, and synchronization data, where the packet header does not include the parameter data; the video data includes a video packet header and N video units, and the video packet header includes the parameter data.
  • the data channel may be one or more, which can effectively meet multiple video bandwidth requirements.
  • the parameter data is display window control information defined by data, in a display screen
  • the display window of the setting 4 is not limited to the following two types: wherein, the parameter data is a display mode number corresponding to a fixed single window or a multi-window display format, and the display is The format includes the size of one or more display windows and their specific locations and combinations within the display of the terminal.
  • the parameter data is one of one or more sets of coordinates of the upper left corner, the lower left corner, the upper right corner, or the lower right corner of the display window and a display priority.
  • the mobile multimedia wide insertion "video processing method provided by the invention controls the display of the terminal screen through the display parameter data sent by the service network, realizes the common display of the graphic and the video, and further transmits in the plurality of video streams of the plurality of pictures.
  • the display parameter data enables the terminal to implement multi-picture services, and is particularly suitable for use in a mobile broadband network.
  • FIG. 3 is a schematic diagram showing a corresponding display mode 2 in the case of one video stream of the present invention.
  • 4 is a schematic diagram of a corresponding display mode 3 in the case of one video stream of the present invention.
  • Fig. 5 is a view showing a corresponding display mode 4 in the case of one video stream of the present invention.
  • Fig. 6 is a schematic diagram showing a corresponding display mode 5 in the case of one video stream of the present invention.
  • Fig. 7 is a view showing a corresponding display mode 6 in the case of one video stream of the present invention.
  • Fig. 8 is a view showing a mode 3 of the display mode in the case of two video streams of the present invention.
  • Figure 9 is a schematic illustration of a corresponding display mode 22 for two video streams of the present invention.
  • Figure 10 is a schematic diagram of the corresponding display mode 23 in the case of two video streams of the present invention.
  • Figure 11 is a schematic illustration of a corresponding display mode 24 for two video streams of the present invention.
  • Figure 12 is a schematic diagram of a corresponding display mode 25 in the case of two video streams of the present invention.
  • Figure 13 is a schematic diagram of a corresponding display mode 31 in the case of three video streams of the present invention.
  • Figure 14 is a schematic illustration of a corresponding display mode 32 for three video streams of the present invention.
  • Figure 15 is a diagram showing the corresponding display mode 33 for the three video streams of the present invention.
  • Figure 16 is a schematic illustration of the corresponding display mode 34 for the three video streams of the present invention.
  • Figure 17 is a diagram showing the corresponding display mode 35 in the case of three video streams of the present invention.
  • Figure 18 is a schematic illustration of a corresponding display mode 36 for three video streams of the present invention.
  • Figure 19 is a diagram showing the corresponding display mode 37 in the case of three video streams of the present invention.
  • Figure 20 is a schematic illustration of a corresponding display mode 38 for three video streams of the present invention.
  • Figure 21 is a diagram showing the corresponding display mode 39 for the three video streams of the present invention.
  • Figure 22 is a schematic diagram of the corresponding display mode 41 in the case of four video streams of the present invention.
  • Figure 23 is a schematic illustration of a corresponding display mode 42 for four video streams of the present invention.
  • Figure 24 is a diagram showing the corresponding display mode 43 in the case of four video streams of the present invention.
  • Figure 25 is a schematic illustration of a corresponding display mode 44 for four video streams of the present invention.
  • Figure 26 is a diagram showing the corresponding display mode 45 for the four video streams of the present invention.
  • FIG. 27 is a schematic diagram showing the flow of displaying a multi-picture video by the terminal of the present invention.
  • Fig. 28 is a schematic diagram showing the realization of multi-screen display by two coordinates of the two video streams of the present invention.
  • 29 is a schematic diagram of a second process of displaying a multi-picture video by a terminal of the present invention.
  • the method of the present invention is mainly applied to terminal multi-picture display, and belongs to the existing second method: multiple pictures are sent to a terminal by multiple video streams, and the terminal displays multiple pictures at different positions, and the present invention
  • the present invention is to notify the terminal to display multiple pictures by the service network, instead of The terminal decides by itself, and allows the terminal to display multiple pictures in different positions after receiving the video, including the following two methods:
  • (-) Display mode The encoder compiles multiple code streams, and sends more than 4 bar code streams to the terminal, and tells the terminal which mode to display each video stream. After receiving the video data, the terminal displays these in different positions. Picture.
  • the method includes the following aspects:
  • the data of one channel is composed of packet header, video data, and audio data.
  • the video data includes: a video packet header and a plurality of video units, the video packet header includes information such as a video stream number of each video unit, and the video stream number is used to identify which video stream the video unit belongs to.
  • a multi-picture display mode parameter is transmitted in the header or video header to indicate the display position of different video streams on the screen.
  • the terminal displays multiple screens at different positions on the screen according to the multi-screen display mode parameters.
  • This method is to install multiple video streams in one channel and use multiple screen display mode parameters to identify the position of different video streams on the screen.
  • One video stream, two video streams or More than two video streams are simultaneously displayed in different positions on one screen.
  • the present invention also provides another method for implementing multi-picture in a mobile broadcast system, so that the terminal can display multiple videos at different positions after receiving the video. Picture.
  • the encoder encodes multiple code streams, sends multiple code streams to the terminal, and tells the terminal where to display each video stream. After receiving the video data, the terminal displays the pictures in different positions. .
  • the method includes the following aspects:
  • the data of one channel is composed of packet header, video data, and audio data.
  • the video data includes: a video packet header and a plurality of video units, the video packet header includes information such as a video stream number of each video unit, and the video stream number is used to identify which video stream the video unit belongs to.
  • the terminal After receiving the video stream data and the corresponding display coordinates, the terminal displays multiple screens at different positions on the screen.
  • the display priority parameter indicates how the video window is overwritten. The larger the value, the higher the priority, the lower the priority of 0, and the higher the priority image window is visible.
  • a plurality of video streams are encapsulated in one channel, and corresponding video parameters of respective display windows of the multi-screen are used to identify the position of display of different video streams on the screen, and one video stream and two videos can be realized. Streams or more than 2 video streams are displayed simultaneously at different locations on one screen.
  • the following describes the (-) display mode and (2) window coordinates in further detail:
  • the present invention encapsulates the multi-channel video data in a channel data, as shown in FIG. 1, by the packet header 10 and the video data 11
  • the voice data 12 and the synchronization data 13 are composed.
  • the video data 11 includes: a video header 110 and N video units 111.
  • the video packet header 110 includes information describing the N video units 111, including: length of each video unit 111, video stream number of the video unit 111, and the like. The video stream number is used to identify which video the video unit 111 belongs to. flow.
  • the implementation method of the present invention corresponding to the above (-) display mode is to realize multi-screen by displaying mode parameters, and transmit a multi-picture display mode parameter in the packet header 10 or the video packet header 110 to indicate that different video streams are on the screen. Display position. As shown in Figure 2-7, different display modes for one video stream are given, from mode 1 to mode 6. Mode 1 is the most versatile full-screen display mode. Modes 2, 3, 4, 5, and 6 all use a small window display method to display subtitles, pictures, and images and videos in other spaces on the screen. The effect of common display can provide the function of business navigation.
  • the terminal displays a multi-screen flow, as shown in FIG. 27, including the following:
  • the data of the N video streams is received in the air, and is decomposed into data of different video streams according to the number of each video unit.
  • the video display After decoding the data of each video stream, it forms a 1 channel video picture. 2703) According to the multi-screen display mode and the number of the video stream, different video streams are displayed at different positions of the rhinoceros. In the above steps, if the size of the video stream is different from the screen size given by the display mode, the video display can be adapted to the display space of the screen by zooming.
  • the present invention corresponds to the above (2) window coordinate implementation method, as shown in FIG. 28, the method is different from the previous method, and the present invention is a method for realizing multi-screen by displaying window screen coordinates 281 and display priority.
  • the system device notifies the terminal of the location of the different screens displayed on the screen, rather than the terminal itself.
  • a display coordinate parameter and a display priority parameter are provided for each picture, including the coordinates 281 of the upper left corner on the screen. As shown in FIG. 28, two video streams are respectively shown.
  • a schematic diagram of multi-screen display on the screen Al, B1 represents the coordinates of the upper left corner of video 1, S1 represents the display priority of video 1, A2, B2 represents the coordinates of the upper left corner of video 2, and S2 represents the display priority of video 2. . Since S1 is larger than S2, the window of video 1 can partially cover the window of video 2. By means of coordinates, it is possible to flexibly represent any display position of a plurality of video streams, but display subtitles and pictures in other spaces on the screen, and realize the effect of displaying images and videos together, and can provide business navigation functions.
  • the method terminal displays the flow of the multi-picture, as shown in FIG. 29, the following steps are performed:
  • the data of the N video streams is received in the air, and is decomposed into data of different video streams according to the number of each video unit. 2902) After decoding the data of each video stream, it composes a 1-channel video picture.
  • each data channel has a rate of 128 Kbit/s, and one channel includes two data channels, which may have a rate of 256 Kbit/s.
  • the total length of this channel is 32K bytes, where: The header is 122 bytes long, the multi-picture display mode is 21, the video data has 26.5K bytes, and the bandwidth of the first video stream is 20.5K, the second video stream. The bandwidth of the stream is 6K, the audio data is 4 inches long, and the synchronous data is 1K, which is 32 inches.
  • such a television channel can satisfy the transmission of video data of one QVGA resolution, 25 frames of ⁇ 264 or AVS-M, and the transmission of video data of one QCIF, 12 frames of H264 or AVS-M. , showing the multi-picture effect of mode 21 in Fig. 3, which can provide the user with a mobile video program of dual video stream of a satisfactory quality.
  • the second method such a television channel can satisfy the transmission of 1 QVGA resolution, 25 frames of H264 or AVS-M video data, and the transmission of a QCIF, 12 frames of H264 or AVS-M video data.
  • the terminal can display the multi-picture effect as shown in FIG. 7, and can provide the user with a mobile video program of a dual video stream of a satisfactory quality.

Landscapes

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

Abstract

Procédé de traitement de vidéo mobile à diffusion multimédia faisant intervenir le réseau de service et les terminaux mobiles pour la couverture. Ce procédé comprend les opérations suivantes: envoi par le réseau de service de séquences vidéo en temps réel via les canaux sans fil et fourniture des informations de commande des fenêtres correspondantes sous forme de données de paramètres; réception par le terminal mobile desdites séquences vidéo et données de paramètres, analyse des données de paramètres et obtention des informations de commande des fenêtres d'affichage; et affichage des contenus correspondants desdites séquences vidéo dans les fenêtres d'affichage de l'écran du terminal mobile conformément aux informations communiquées. Ce procédé recourt aux données de paramètres d'affichage envoyées par le réseau de service pour commander l'affichage dans les terminaux. Comme ces données de paramètres d'affichage sont envoyées dans plusieurs séquences vidéo de plusieurs images, le terminal peut fournir un service multi-image et en particulier peut être utilisé dans un réseau de diffusion mobile.
PCT/CN2006/003666 2006-09-30 2006-12-29 Procédé de traitement de vidéo à diffusion multimédia pour un terminal mobile WO2008043210A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610140119.4 2006-09-30
CN2006101401194A CN1960492B (zh) 2006-09-30 2006-09-30 一种移动多媒体广播视频处理方法

Publications (1)

Publication Number Publication Date
WO2008043210A1 true WO2008043210A1 (fr) 2008-04-17

Family

ID=38071951

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/003666 WO2008043210A1 (fr) 2006-09-30 2006-12-29 Procédé de traitement de vidéo à diffusion multimédia pour un terminal mobile

Country Status (2)

Country Link
CN (1) CN1960492B (fr)
WO (1) WO2008043210A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11373643B2 (en) * 2018-03-30 2022-06-28 Lenovo (Beijing) Co., Ltd. Output method and electronic device for reply information and supplemental information

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102480641A (zh) * 2010-11-25 2012-05-30 中兴通讯股份有限公司 一种实现手机电视节目预览的方法及装置
US10219006B2 (en) 2013-01-04 2019-02-26 Sony Corporation JCTVC-L0226: VPS and VPS_extension updates
CN104811659A (zh) * 2014-12-26 2015-07-29 山东巨洋神州信息技术有限公司 基于光纤分布式显示系统的影像堆叠智能镂空方法
CN110753244B (zh) * 2018-07-24 2022-10-28 中兴通讯股份有限公司 一种场景同步方法、终端及存储介质
CN116033228A (zh) * 2022-12-20 2023-04-28 深圳市东明炬创电子股份有限公司 一种多路音视频整合方法、装置、设备和介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002229540A (ja) * 2001-01-31 2002-08-16 Mitsubishi Electric Corp データ放送表示システム
CN1705257A (zh) * 2004-06-01 2005-12-07 三星电子株式会社 使用快速信息信道的业务显示控制方法、设备和介质
CN1767650A (zh) * 2004-10-26 2006-05-03 三星电子株式会社 用于在数字广播接收机中处理图像信号的设备和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314569B1 (en) * 1998-11-25 2001-11-06 International Business Machines Corporation System for video, audio, and graphic presentation in tandem with video/audio play
CN1708054A (zh) * 2004-06-07 2005-12-14 海尔集团公司 具有画中画编解码器的手机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002229540A (ja) * 2001-01-31 2002-08-16 Mitsubishi Electric Corp データ放送表示システム
CN1705257A (zh) * 2004-06-01 2005-12-07 三星电子株式会社 使用快速信息信道的业务显示控制方法、设备和介质
CN1767650A (zh) * 2004-10-26 2006-05-03 三星电子株式会社 用于在数字广播接收机中处理图像信号的设备和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11373643B2 (en) * 2018-03-30 2022-06-28 Lenovo (Beijing) Co., Ltd. Output method and electronic device for reply information and supplemental information

Also Published As

Publication number Publication date
CN1960492A (zh) 2007-05-09
CN1960492B (zh) 2011-02-23

Similar Documents

Publication Publication Date Title
TW484312B (en) Digital television status display
US20060282785A1 (en) System and method of displaying content in display windows
KR100850577B1 (ko) 휴대단말기의 멀티데이터 처리장치 및 방법
EP1879382B1 (fr) Appareil d'affichage multiécran et procédé pour récepteur de diffusion numérique
CN101198067A (zh) 多画面视频显示处理方法
JP5345081B2 (ja) 常駐会議を行うための方法およびシステム
US20090293093A1 (en) Content server, information processing apparatus, network device, content distribution method, information processing method, and content distribution system
WO2012099423A2 (fr) Appareil et procédé permettant de configurer un message de commande dans un système de diffusion
WO2008131644A1 (fr) Procédé, dispositif et système pour réaliser une commutation d'images dans le service vidéo
JP2008507898A (ja) デジタルメディアシステムにおける高速チャンネル切換
EP2622846B1 (fr) Appareil et procédé pour composition côté client de flux vidéo
KR100793736B1 (ko) 다채널의 영상을 동시에 출력하는 디지털 방송 수신 장치
CN100405832C (zh) 一种实现可同时接收播放多套节目的电视机装置
US20110090970A1 (en) Terminal and relay node for video conference system
KR20030040097A (ko) 이벤트에 관한 비디오 스트림들을 상기 이벤트에서물리적으로 존재하는 관객들에게 전송하는 전송 시스템
WO2008043210A1 (fr) Procédé de traitement de vidéo à diffusion multimédia pour un terminal mobile
JP2009284282A (ja) コンテンツサーバ、情報処理装置、ネットワーク機器、コンテンツ配信方法、情報処理方法およびコンテンツ配信システム
WO2012006919A1 (fr) Procédé, terminal et système de transmission de sous-titres dans une présentation à distance
WO2014044059A1 (fr) Procédé, dispositif et système pour l'enregistrement et la lecture du contenu d'une conférence vidéo
US20110088069A1 (en) Network device, information processing apparatus, stream switching method, information processing method, program, and content distribution system
KR100754652B1 (ko) 다중 방송 서비스를 제공하기 위한 방송 시스템 및 방법
JP2002051325A (ja) デジタル放送映像受信装置およびデジタル放送映像受信方法
KR100830469B1 (ko) 디지털 티브이의 피아이피를 이용한 줌 기능 실행 방법 및그 디지털 티브이
US20090158372A1 (en) Method and apparatus for providing broadcast service information in cable network
CN101141615B (zh) 会议电视终端支持双流的外置实现方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 06840696

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC, EPO FORM 1205A SENT ON 22/07/09

122 Ep: pct application non-entry in european phase

Ref document number: 06840696

Country of ref document: EP

Kind code of ref document: A1