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WO2018016812A1 - Dispositif portable de lecture de contenu vidéo et son procédé de fonctionnement - Google Patents

Dispositif portable de lecture de contenu vidéo et son procédé de fonctionnement Download PDF

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Publication number
WO2018016812A1
WO2018016812A1 PCT/KR2017/007633 KR2017007633W WO2018016812A1 WO 2018016812 A1 WO2018016812 A1 WO 2018016812A1 KR 2017007633 W KR2017007633 W KR 2017007633W WO 2018016812 A1 WO2018016812 A1 WO 2018016812A1
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WO
WIPO (PCT)
Prior art keywords
video content
data
resolution
portable
reproducing apparatus
Prior art date
Application number
PCT/KR2017/007633
Other languages
English (en)
Korean (ko)
Inventor
오제호
신현흥
Original Assignee
오제호
신현흥
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 오제호, 신현흥 filed Critical 오제호
Publication of WO2018016812A1 publication Critical patent/WO2018016812A1/fr

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Classifications

    • 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
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission 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]
    • H04N21/40—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
    • 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
    • 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
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • 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
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42208—Display device provided on the remote control
    • H04N21/42209—Display device provided on the remote control for displaying non-command information, e.g. electronic program guide [EPG], e-mail, messages or a second television channel
    • 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
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10944—Real-time recording or reproducing, e.g. for ensuring seamless playback of AV data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/11—Aspects of broadcast communication characterised by the type of broadcast system digital multimedia broadcasting [DMB]

Definitions

  • the present invention relates to a portable video content reproducing apparatus capable of receiving and reproducing image content data through a network and a method of operating the same.
  • Typical services that provide video contents to portable devices include DMB broadcasting service that broadcasts broadcast video contents to portable devices in real time through DMB (Digital Multimedia Broadcasting) network and the Internet such as mobile communication network or wireless LAN network.
  • DMB Digital Multimedia Broadcasting
  • VOD Video On Demand
  • DMB broadcasting service is a service that is frequently used by users who have a portable device in that it is free.
  • DMB broadcasting service has many shadowed areas where video contents are not easily received due to the weak strength of the wireless signal.
  • the VOD service is a service provided free or for a fee, and the shaded area is hardly present in comparison with the DMB broadcasting service in that it receives video contents through a well-established mobile communication network or wireless LAN network.
  • the mobile device capable of playing the video content receives the video content through the DMB broadcasting service and plays the video content, when the strength of the wireless signal is weakened, the corresponding video content is directly transmitted through the mobile communication network or the wireless LAN network. It is necessary to study a technique for allowing a user to watch the video contents without interruption by receiving and playing through the VOD service.
  • the video content when receiving a video content on the portable device through the VOD service, if the user views the video content in a landscape view mode with the portable device tilted horizontally, the video content should be displayed on the entire display of the portable device. High-capacity, high-resolution video content needs to be delivered to the portable device, but if the user views the video content in portrait view mode with the portable device held vertically, the video content appears small on a portion of the display of the portable device. Since low resolution video content is not a problem in readability, a large amount of high resolution video content does not need to be delivered to a portable device.
  • the user sets the portable device to landscape view mode or portrait view mode.
  • a method for improving efficiency in providing VOD service by delivering low-capacity video content having a low resolution to a portable device is required.
  • the present invention when receiving the video content through the DMB (Digital Multimedia Broadcasting) broadcasting service to play the video content, when the strength of the wireless signal is weakened, the video content directly through the mobile communication network or WLAN network VOD (Video)
  • the present invention provides a portable video content reproducing apparatus and a method of operating the same, which can be received and reproduced through an On Demand service, so that a user can view the corresponding video content without interruption.
  • the present invention distinguishes whether the user sets the portable video content reproducing apparatus to the horizontal viewing mode or the vertical viewing mode, and when the portable viewing contents are set to the vertical viewing mode, the low-capacity video contents having a low resolution are carried.
  • the playback device By delivering to the playback device, it is intended to provide a technique that can increase the efficiency in providing VOD services.
  • a portable video content reproducing apparatus includes a DMB reproducing unit configured to receive data about video content broadcast through a DMB communication network from a digital multimedia broadcasting (DMB) broadcasting transmission device and to play the video content.
  • Wireless signal measuring unit for measuring the strength of the wireless signal received through the DMB communication network, when the intensity of the wireless signal is measured below the predetermined reference value, the video content is measured at the time measured below the predetermined reference value
  • a playback point information generator for generating information on the last played point last played, a request for transmission of identification information on the video content and information on the last play point, and data after the last play point of the video content
  • VOD Video On Demand
  • the method of operating a portable video content reproducing apparatus comprises the steps of: receiving data about video content broadcasted through a DMB communication network from a DMB broadcasting transmission apparatus and reproducing the video content, the DMB communication network Measuring the intensity of a wireless signal received through the; when the intensity of the wireless signal is measured below a predetermined reference value, at the point of time when the image content is measured below the predetermined reference value, the last playback point at which the image content was Generating information about the video content, transmitting identification information on the video content, information on the last playback point, and a request for transmission of data after the last playback point of the video content to the VOD data transmission device; The VOD data transmission field through a communication network or a wireless LAN network From a step of reproducing the image contents following the last playback point to receive data following the last reproducing point of the video content in a streaming manner.
  • a portable video content reproducing apparatus and a method of operating the same are used in a mobile communication network or a wireless LAN when the strength of a wireless signal decreases while receiving video content through a digital multimedia broadcasting (DMB) broadcasting service.
  • DMB digital multimedia broadcasting
  • VOD video on demand
  • the present invention distinguishes whether the user sets the portable video content reproducing apparatus to the horizontal viewing mode or the vertical viewing mode, and when the portable viewing contents are set to the vertical viewing mode, the low-capacity video contents having a low resolution are carried.
  • the present invention By transmitting to the device, it is possible to provide a technique for improving the efficiency in providing VOD services.
  • FIG. 1 is a diagram showing the structure of a portable video content reproducing apparatus according to an embodiment of the present invention.
  • FIG. 2 is a diagram for describing a horizontal view mode and a vertical view mode of a portable video content reproducing apparatus according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of operating a portable video content reproducing apparatus according to an embodiment of the present invention.
  • FIG. 1 is a diagram showing the structure of a portable video content reproducing apparatus according to an embodiment of the present invention.
  • a portable video content reproducing apparatus 110 includes a digital multimedia broadcasting (DMB) reproducing unit 111, a wireless signal measuring unit 112, a playback point information generating unit 113, and image data request.
  • DMB digital multimedia broadcasting
  • the unit 114 and the image replacement playback unit 115 is included.
  • the portable video content reproducing apparatus 110 receives various types of data for reproducing the video content through network communication such as a smart phone, a tablet PC, a PDA, a notebook computer, and the like. It can be implemented based on the microprocessor-based device of.
  • the DMB playback unit 111 receives data on video content broadcast through a DMB communication network from a DMB broadcast transmission device (not shown) and reproduces the video content.
  • the wireless signal measuring unit 112 measures the strength of a wireless signal received through the DMB communication network.
  • the wireless signal measuring unit 112 checks the RSSI (Received Signal Strength Indication) of the wireless signal received by the receiver of the portable video content playback device 110 through the DMB communication network The strength of the wireless signal may be measured.
  • RSSI Received Signal Strength Indication
  • the playback point information generating unit 113 measures the last playback point of the last playback point of the image content at the point of time when the wireless signal is measured below the predetermined reference value. Generate information.
  • the playback point information generation unit 113 generates information on the playback time corresponding to the last playback point at which the video content was last played back as information on the last playback point. can do.
  • the playback point may generate information on the reproduction time of "40 minutes" corresponding to the last reproduction point at which the video content was played last as information on the last reproduction point.
  • the video data request unit 114 transmits a video on demand (VOD) data transmission device for requesting transmission of identification information on the video content, information on the last playback point, and data after the last playback point of the video content. 130).
  • VOD video on demand
  • the identification information of the video content means unique information for distinguishing the video content, such as a title of the video content or an ID previously assigned to the video content.
  • the VOD data transmission device 130 requests for transmission of identification information on the video content, information on the last playback point, and data after the last playback point of the video content from the portable video content playback device 110. Is received, after confirming the data corresponding to the identification information of the video content from a data store in which data for a plurality of video contents is stored, the information on the play time corresponding to the last playback point of the video content. Based on the point of time corresponding to the playback time of the data for the video content based on the transmission to the portable video content playback device 110 the data after the last playback point of the video content in a streaming (streaming) method do.
  • the VOD data transmission device 130 receives title information "ABC" as identification information for the video content from the portable video content playback device 110, and at the last playback point of "40 minutes" of the video content.
  • the VOD data transmission device 130 receives an image having a title of "ABC” from the data storage where a plurality of video contents are stored. You can check the data about the content.
  • the VOD data transmission device 130 stores the data of the video content titled "ABC” stored in the data storage based on the information on the playback time for the last playback point of "40 minutes” of the video content.
  • a point corresponding to the playback time of "40 minutes” in the video content as a time point to the portable video content playback device 110 to transmit the data after "40 minutes” of the video content in a streaming manner Can be.
  • the video replacement playback unit 115 receives the data after the last playback point of the video content from the VOD data transmission apparatus 130 through a mobile communication network or a wireless LAN in a streaming manner, and thus the video content after the last playback point. Play it.
  • the portable video content reproducing apparatus (! 10) receives a video content through a DMB broadcasting service, and when the strength of the wireless signal is weakened while playing the video content, through a mobile communication network or a wireless LAN network.
  • the user can support the video content without interruption.
  • the portable video content reproducing apparatus 110 may further include a mode determining unit 116, a first requesting unit 117, and a second requesting unit 118.
  • the mode determining unit 116 detects the tilt of the portable video content reproducing apparatus 110 through a tilt detection sensor, and determines whether the portable video content reproducing apparatus 110 intends to display the video content in the horizontal viewing mode. It is determined whether to display video content.
  • the image content may be changed depending on whether the user tilts the portable image content reproducing apparatus 110 in the horizontal direction or uses the image in the vertical direction. This means that the method displayed on the portable video content reproducing apparatus 110 is changed.
  • the tilt detection sensor mounted on the portable video content reproducing apparatus 110 may be a portable image content.
  • the playback device 110 detects that the current device is inclined in the horizontal direction. From this, the mode determination unit 116 determines that the portable video content playback device 110 intends to display the video content in the landscape view mode. Can be.
  • the image content is displayed in the horizontal view mode as shown by reference numeral 210, the image content is displayed in a state where the entire display screen of the portable image content reproducing apparatus 110 is filled up.
  • the tilt detection sensor mounted on the portable video content reproducing apparatus 110 is a portable image. It is detected that the content reproducing apparatus 110 is currently leaking in the vertical direction. From this, the mode determining unit 116 determines that the portable video content reproducing apparatus 110 intends to display the image contents in the vertical view mode. can do.
  • the image content when the image content is displayed in the portrait view mode as shown at 220, the image content may be displayed only at the upper portion of the display of the portable image content reproducing apparatus 110.
  • the first requesting unit 117 determines that the portable video content reproducing apparatus 110 is in the horizontal viewing mode as shown at 210 by the mode determining unit 116.
  • the VOD data transmission device 130 stores data about the video content compressed at the first resolution on a data storage, and from the portable video content playback device 110.
  • the data for the video content compressed at the first resolution stored in the data storage for the portable video content reproducing apparatus 110 is received. Can be transmitted in a streaming manner.
  • the second requester 118 determines that the portable video content reproducing apparatus 110 is in the portrait view mode as shown at 220 by the mode determining unit 116. Transmit a data transmission request for the video content compressed at a second resolution lower than the first resolution.
  • the VOD data transmission device 130 when the VOD data transmission device 130 receives a request for transmitting data for the video content compressed to the second resolution from the portable video content playback device 110, the data is transmitted.
  • the second resolution of the portable image contents reproducing apparatus 110 may be downscaled by performing downscale compression on the image contents compressed at the first resolution stored in the storage into data having the second resolution. It is possible to transmit the data for the video content, the downscale compression is performed in a streaming manner.
  • the first resolution may be a high definition of HD class, such as 1080p or 720p
  • the second resolution may be a low resolution of SD class, such as 480p.
  • the portable video content reproducing apparatus 110 When the portable video content reproducing apparatus 110 is in the landscape view mode, since the video content is displayed in a state where the display screen of the portable video content reproducing apparatus 110 is full, a high resolution image from the VOD data transmission apparatus 130 is provided. It is necessary to receive the content. However, when the portable video content reproducing apparatus 110 is in the portrait view mode, since the video content is displayed at a small point only on a portion of the display screen of the portable video content reproducing apparatus 110, the high resolution from the VOD data transmission apparatus 130 is determined. There is no need to receive video content. Accordingly, if the portable image contents reproducing apparatus 110 according to the present invention determines that the portable image contents reproducing apparatus 110 is in the vertical viewing mode as shown at 220 by the mode determining unit 116, the second request is made. By transmitting the data transmission request for the video content compressed at low resolution to the VOD data transmission device 130, the unit 118 can reduce the traffic that can occur in the network communication network, which may be imposed when using the mobile communication network Data usage
  • the portable video content reproducing apparatus 110 may further include a resolution table holding unit 119.
  • the resolution table maintaining unit 119 may include a plurality of different screen size values and predetermined different resolutions corresponding to each of the plurality of different screen size values (the predetermined different resolutions are all lower than the first resolution). Save and maintain the recorded resolution table.
  • information may be recorded in the resolution table as shown in Table 1 below.
  • the second request unit 118 may include a size value check unit 120, a resolution check unit 121, and a data request unit 122.
  • the size value checking unit 120 checks the size value of the screen on which the image content is to be played in the portrait view mode.
  • the resolution checking unit 121 checks the resolution corresponding to the size value for the screen on which the image content is to be played in the portrait view mode with reference to the resolution table.
  • the data requesting unit 122 determines the checked resolution as the second resolution and transmits a data transmission request for the video content compressed at the second resolution to the VOD data transmission apparatus 130.
  • the size value checking unit 120 determines In the viewing mode, it is possible to check "3.2 inches” which is a size value for the screen on which the video content is to be played.
  • the resolution checking unit 121 checks the resolution "600p” corresponding to "3.2 inches” which is a size value for the screen on which the image content is to be played in the portrait view mode with reference to the resolution table as shown in Table 1 above. Can be.
  • the data requesting unit 122 determines the determined resolution "600p" as the second resolution and requests the VOD data transmission apparatus 130 to transmit data for the image content compressed at the second resolution. Can be transmitted.
  • the size value check unit 120 is to reproduce the image content in the portrait view mode by the user while the image content is being played at the second resolution in the portrait view mode.
  • the size value of the screen on which the image content is to be played may be reconfirmed in the portrait view mode.
  • the value checking unit 120 may reconfirm the size value of the screen on which the image content is to be played in the portrait view mode.
  • the resolution checking unit 121 may re-confirm the resolution corresponding to the size value reconfirmed with respect to the screen on which the image content is to be played back in the portrait view mode with reference to the resolution table.
  • the data requesting unit 122 re-determines the reconfirmed resolution as the second resolution and requests a VOD data transmission device 130 to transmit a data request for the image content compressed at the re-determined second resolution. Can be resent
  • the portable image content reproducing apparatus 110 displays the VOD of the appropriate resolution in response to the screen size adjustment. It may be received from the data transmission device 130.
  • FIG. 3 is a flowchart illustrating a method of operating a portable video content reproducing apparatus according to an embodiment of the present invention.
  • step S310 data about the video content broadcasted through the DMB communication network is received from the DMB broadcast transmission device to reproduce the video content.
  • step S320 the strength of the wireless signal received through the DMB communication network is measured.
  • the VOD data transmission apparatus transmits a transmission request for identification information on the video content, information on the last playback point, and data after the last playback point of the video content.
  • step S330 information about a playback time corresponding to the last playback point at which the video content was last played may be generated as information on the last playback point.
  • the VOD data transmission device receives a transmission request for identification information on the video content, information on the last playback point, and data after the last playback point of the video content, from the portable video content playback device, After confirming the data corresponding to the identification information of the video content from a data store in which data for a plurality of video contents is stored, the data is based on the information on the playback time corresponding to the last playback point of the video content.
  • the data after the last playback point of the video content may be transmitted to the portable video content reproducing apparatus by using a point corresponding to the playback time among the data for the video content as a streaming method.
  • the operation method of the portable video playback device detects the tilt of the portable video content playback device via a tilt detection sensor and the portable video content playback device in the landscape view mode the image content Determining whether to display the video content in a vertical viewing mode or when the portable video content reproducing apparatus is determined to be in the horizontal viewing mode. Transmitting the request to transmit the data for the image content and if the portable image content reproducing apparatus is determined to be in the portrait view mode, the VOD data transmitting apparatus compressed to a second resolution lower than the first resolution; Request for transmission of data about video content It may further comprise the step of transmitting.
  • the method of operating the portable video content reproducing apparatus includes a plurality of different screen size values and a predetermined different resolution corresponding to each of the plurality of different screen size values (the predetermined).
  • the method may further include storing and maintaining a resolution table in which different resolutions are all lower than the first resolution).
  • the transmitting of the data transmission request for the video content compressed at the second resolution may be performed when the portable video content reproducing apparatus is determined to be in the vertical viewing mode. Confirming a size value for the screen, checking a resolution corresponding to the size value for the screen on which the image content is to be played in the portrait view mode with reference to the resolution table; And transmitting the data transmission request for the video content compressed to the second resolution to the VOD data transmission device, while the video content is reproduced at the second resolution in the portrait view mode. For the screen on which the video content is to be played back in the portrait view mode.
  • the VOD data transmission device stores data about the video content compressed at the first resolution on a data storage, and the first resolution from the portable video content playback device.
  • the portable video content reproducing apparatus transmits the data about the video content compressed at the first resolution stored in the data storage in a streaming manner.
  • the transmission request for data about the video content compressed to the second resolution is received from the portable video content reproducing apparatus, the data about the video content compressed to the first resolution stored in the data storage unit.
  • Downscale compression to data with a second resolution For the portable video content reproduction device may transmit the data for the video content is scaled down to compress the second resolution is performed in a streaming manner.
  • the operation method of the portable video content playback apparatus according to an embodiment of the present invention may correspond to the configuration of the operation of the portable video content playback apparatus 110 described with reference to FIG. 1. It will be omitted.
  • the method of operating a portable video content reproducing apparatus may be implemented as a computer program stored in a storage medium for execution by combining with a computer.
  • the operating method of the apparatus for reproducing a portable video content may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium.
  • the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
  • Magneto-optical media and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.
  • program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un dispositif de lecture de contenu vidéo portable et son procédé de fonctionnement. Selon la présente invention, le procédé de fonctionnement du dispositif de lecture de contenu vidéo portable comprend la réception par celui-ci d'un contenu vidéo correspondant directement par le biais d'un service de vidéo à la demande au travers d'un réseau de communication mobile ou d'un réseau local sans fil et la lecture dudit contenu lorsque l'intensité d'un signal sans fil est affaiblie pendant la lecture du contenu vidéo par la réception du contenu vidéo par le biais d'un service de diffusion multimédia numérique (DMB), ce qui permet à un utilisateur d'être assisté dans une visualisation continue du contenu vidéo correspondant.
PCT/KR2017/007633 2016-07-22 2017-07-17 Dispositif portable de lecture de contenu vidéo et son procédé de fonctionnement WO2018016812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0093751 2016-07-22
KR1020160093751A KR101838271B1 (ko) 2016-07-22 2016-07-22 휴대용 영상 콘텐츠 재생 장치 및 그 동작 방법

Publications (1)

Publication Number Publication Date
WO2018016812A1 true WO2018016812A1 (fr) 2018-01-25

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