WO2018158879A1 - Dispositif et procédé de reproduction de contenu - Google Patents

Dispositif et procédé de reproduction de contenu Download PDF

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Publication number
WO2018158879A1
WO2018158879A1 PCT/JP2017/008094 JP2017008094W WO2018158879A1 WO 2018158879 A1 WO2018158879 A1 WO 2018158879A1 JP 2017008094 W JP2017008094 W JP 2017008094W WO 2018158879 A1 WO2018158879 A1 WO 2018158879A1
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WO
WIPO (PCT)
Prior art keywords
content
unit
current position
control unit
additional content
Prior art date
Application number
PCT/JP2017/008094
Other languages
English (en)
Japanese (ja)
Inventor
憲司 坂田
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2017/008094 priority Critical patent/WO2018158879A1/fr
Priority to DE112017007159.3T priority patent/DE112017007159T5/de
Priority to JP2019502360A priority patent/JP6611982B2/ja
Publication of WO2018158879A1 publication Critical patent/WO2018158879A1/fr

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Classifications

    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00739—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction is associated with a specific geographical region
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
    • 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
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4524—Management of client data or end-user data involving the geographical location of the client
    • 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
    • H04N21/4627—Rights management associated to the 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content

Definitions

  • the present invention relates to a content playback apparatus and content playback method for playing back content.
  • the playback device of Blu-ray Disc (“Blu-ray Disc” is a registered trademark, hereinafter referred to as "BD") is the country code or region code set in this playback device and the country stored in the BD.
  • BD Blu-ray Disc
  • the code or the region code matches, the BD content is played, and when the code or the region code does not match, the playback of the content is restricted.
  • the playback device cannot restrict playback of the content.
  • the content that does not refer to a country code or the like is, for example, additional content published on the Internet that is not stored in the BD.
  • a playback device according to Patent Document 1 has been proposed.
  • the playback device plays back content recorded on an optical disc while linking execution of an application supplied from a server.
  • the application supplied from the server corresponds to the additional content.
  • This playback device linked the execution of the application when the region code detected from the optical disc, the region code of the application estimated from the server address, and the region code assigned to the playback device itself match.
  • content reproduction is permitted and the contents do not match, the reproduction of the content linked with the execution of the application is restricted.
  • the playback device according to Patent Document 1 is configured as described above, even when the playback device is mounted on a mobile body, even when the playback device moves outside the region indicated by the region code, the content is linked to the execution of the application. Is allowed to play. As described above, the conventional playback device has a problem that it cannot control whether or not the additional content can be played back according to the current position.
  • the present invention has been made to solve the above-described problems, and an object thereof is to control whether or not additional content can be reproduced according to the current position.
  • a content playback apparatus plays back an additional content storage unit that stores additional content that is not stored in a storage medium, content stored in the storage medium, and additional content stored in the additional content storage unit
  • Embodiment 1 of this invention it is a conceptual diagram which shows the access method to the non-volatile memory using present position information. It is a flowchart which shows the operation example of the content reproduction apparatus which concerns on Embodiment 1 of this invention. In Embodiment 1 of this invention, it is a conceptual diagram which shows the propriety of the reproduction
  • FIG. 1 It is a block diagram which shows the structural example of the content reproduction apparatus which concerns on Embodiment 2 of this invention. It is a reference example for helping understanding of Embodiment 2 of the present invention, and is a conceptual diagram showing whether or not content can be reproduced using a country code and a region code.
  • FIG. It is a flowchart which shows the operation example of the content reproduction apparatus which concerns on Embodiment 2 of this invention.
  • Embodiment 2 of this invention it is a conceptual diagram which shows whether the reproduction
  • 11A and 11B are diagrams showing a hardware configuration example of the content reproduction apparatus according to Embodiment 1 of the present invention.
  • FIG. 1 is a block diagram showing a configuration example of a content reproduction apparatus 1 according to Embodiment 1 of the present invention.
  • the content reproduction apparatus 1 includes a pickup unit 2, a signal processing unit 3, a nonvolatile memory 4, a communication unit 5, a control unit 6, an input unit 7, an AV (Audio Visual) decoder 8, an AV output unit 9, and a position acquisition unit 10. Is provided.
  • the nonvolatile memory 4 corresponds to an “additional content storage unit”
  • the AV decoder 8 corresponds to a “reproduction unit”.
  • the BD 14 is illustrated as a storage medium to be played back by the content playback apparatus 1, but the storage medium is not limited to this, and may be a DVD (Digital Versatile Disc) or the like.
  • the pickup unit 2 reads out the data stored in the BD 14 and outputs it to the signal processing unit 3.
  • the signal processing unit 3 performs signal processing on the data read by the pickup unit 2 and outputs an AV stream to the control unit 6.
  • the control unit 6 outputs the AV stream from the signal processing unit 3 to the AV decoder 8.
  • the AV decoder 8 decodes the AV stream from the control unit 6 and outputs audio and video to the AV output unit 9.
  • the AV output unit 9 outputs the audio from the AV decoder 8 to the speaker 11 and outputs the video to the display 12.
  • the non-volatile memory 4 has two areas: an ADA (Application Data Area) 4a and a BUDA (Binding Unit Data Area) 4b.
  • the ADA 4a and the BUDA 4b are areas defined in the BD standard.
  • the ADA 4a includes, for example, a DB-Java (“Java” is a registered trademark, and description of the registered trademark is omitted below) created by a program. Information etc. are stored.
  • the BUDA 4b for example, downloaded audio, subtitles, menus, picture-in-picture (hereinafter referred to as “PinP”), bonus titles, and the like are stored as additional contents.
  • PinP is two-screen playback defined by the BD standard, and a sub-screen is displayed with a small window in a large video screen.
  • the content playback apparatus 1 can download additional content not stored in the BD 14 from the Internet 13 in accordance with the definition of the BD standard.
  • the control unit 6 instructs the communication unit 5 to download the additional content of the BD 14.
  • the communication unit 5 downloads additional content from a server on the Internet 13 in accordance with an instruction from the control unit 6 and outputs the additional content to the control unit 6.
  • the control unit 6 stores the additional content downloaded by the communication unit 5 in the BUDA 4 b of the nonvolatile memory 4.
  • the control unit 6 reads the additional content stored in the BUDA 4 b and outputs it to the AV decoder 8.
  • the AV decoder 8 decodes the additional content from the control unit 6, outputs audio to the speaker 11 and outputs video to the display 12 via the AV output unit 9.
  • the input unit 7 When the operation information is input from the HMI (Human Machine Interface) 15, the input unit 7 outputs the operation information to the control unit 6.
  • the operation information is information for operating the operation of the content reproduction apparatus 1 such as the start and end of the decoding process.
  • the control unit 6 controls the start and end of the decoding process of the AV decoder 8 and the start and end of the reading process of the pickup unit 2 via the signal processing unit 3 according to the operation information from the input unit 7.
  • the HMI 15 is an operation button, a remote controller, a keyboard, a mouse, or a touch panel integrated with the display 12 provided in the content reproduction apparatus 1.
  • the position acquisition unit 10 acquires current position information indicating the current position of the content reproduction device 1 from a GPS (Global Positioning System) receiver 16 and outputs the current position information to the control unit 6.
  • the control unit 6 controls whether or not the additional content can be reproduced based on the current position information from the position acquisition unit 10.
  • the GPS receiver 16 may be built in the position acquisition unit 10. Or the position acquisition part 10 may utilize the GPS receiver 16 with which external apparatuses, such as a navigation apparatus or a smart phone, are provided. In that case, it is assumed that the external device such as the navigation device or the smartphone and the content reproduction device 1 are in a positional relationship that can be regarded as being in the same position, for example, mounted in the same vehicle.
  • FIG. 2 is a conceptual diagram showing a method for accessing the nonvolatile memory 4 using the current position information in the first embodiment of the present invention.
  • FIG. 2 shows the content playback apparatus 1 until it downloads PinP from the Internet 13 and stores it in the BUDA 4b of the nonvolatile memory 4 to make it usable.
  • FIG. 3 is a flowchart showing an operation example of the content reproduction apparatus 1 according to Embodiment 1 of the present invention.
  • the control unit 6 first performs “(1) Disc Read” processing.
  • the control unit 6 controls the pickup unit 2 and the signal processing unit 3 so as to read the content “PinP“ trailer-original ”” stored in the BD 14 to which “DiscID # 123456” is assigned.
  • the control unit 6 checks whether or not PinP “trailer-french”, which is the additional content of “DiscID # 123456”, is stored in the BUDA 4 b of the nonvolatile memory 4. Since access to the BUDA 4b occurs at the time of this confirmation, the control unit 6 executes an operation shown in the flowchart of FIG.
  • the control unit 6 performs “(2) Write” processing if no additional content is stored in the BUDA 4b, and performs “(3) Create Package” processing if it is stored.
  • the control unit 6 downloads the additional content “trailer-french” of “DiscID # 123456” from the Internet 13 via the communication unit 5 and stores it in the BUDA 4 b of the nonvolatile memory 4. Since access to the BUDA 4b occurs during this storage, the control unit 6 executes an operation shown in the flowchart of FIG.
  • control unit 6 performs the “(3) Create Package” process.
  • the control unit 6 adds the downloaded additional content “trailer-french” to the content “trailer-original” read from the BD 14 to generate a virtual package.
  • the control unit 6 generates a virtual package by adding the additional content “trailer-french” previously downloaded and stored in the BUDA 4 b to the content “trailer-original” read from the BD 14.
  • FIG. 4 is a conceptual diagram showing whether or not additional content can be reproduced using the current position information in the first embodiment of the present invention.
  • the content reproduction apparatus 1 is mounted on the vehicle shown in FIG. This vehicle is moving from France to Germany.
  • 5 and 6 are diagrams showing a block management database (hereinafter referred to as “block management DB”) managed by the control unit 6.
  • the block managed by the block management DB indicates a storage area created in the BUDA 4b of the nonvolatile memory 4, and one additional content is stored for one block.
  • this block management DB a field for registering the position of the vehicle on which the content reproduction apparatus 1 is mounted and the block number that is the storage location of the additional content downloaded by the control unit 6 at that position, And a column for registering a star ( ⁇ ) indicating the position of the vehicle.
  • step ST12 the control unit 6 determines whether or not a country name based on the current position information is registered in the position information column of the block management DB. If the country name is registered (step ST12 “YES”), the control unit 6 proceeds to step ST14, and if not registered (step ST12 “NO”), the control unit 6 proceeds to step ST13.
  • step ST13 the control unit 6 registers the country name based on the current position information in the position information column of the block management DB. For example, when the vehicle on which the content reproduction apparatus 1 is mounted is located in France, the control unit 6 registers the country name “France” based on the current position information in the position information column of block # 1 of the block management DB. Further, for example, when the block management DB is in the state shown in the upper side of FIG. 5 and the vehicle on which the content playback device 1 is mounted moves from France to Germany, the control unit 6 enters the position information column of block # 2. Register the country name "Germany" based on the current location information.
  • step ST14 the control unit 6 determines whether or not the country name of the position information column in which the star is registered in the block management DB matches the country name based on the current position information.
  • the control unit 6 proceeds to step ST16, and when not matched (step ST14 “NO”), proceeds to step ST15. .
  • step ST15 the control unit 6 moves the star indicating the current position in the block management DB to a field that matches the country name based on the current position information.
  • the control unit 6 displays the star registered in the current position column of the position information “France” in the block management DB on the upper side of FIG. As shown in the block management DB on the lower side of FIG. 5, the current position is moved to the current position column of the position information “Germany”.
  • step ST16 the control unit 6 permits the reading process and the writing process to the block in which the star indicating the current position is registered in the block management DB.
  • the block management DB shown in FIG. 6 additional content read processing and write processing are permitted for block # 1 in which an asterisk is registered.
  • the reading process and the writing process of the additional content are restricted for the block # 2 in which no star is registered.
  • the control unit 6 can download additional content and write it in block # 1 of BUDA 4b, and read this additional content from block # 1. .
  • the control unit 6 downloads additional content, writes it in block # 2 of BUDA 4b, and reads out this additional content from block # 2. be able to.
  • the control unit 6 of the content reproduction apparatus 1 can access the content “trailer-original” originally stored in the BD 14 regardless of whether the current position is France or Germany.
  • This “trailer-original” is therefore reproducible in France and Germany.
  • the control unit 6 can access the additional content “trailer-french” downloaded when the vehicle on which the content playback device 1 is mounted is in France when the current position is France, but when it is Germany. Can not. Therefore, this additional content “trailer-french” can only be played back in France, and cannot be played back in Germany.
  • control unit 6 determines whether or not additional content can be played back on a country basis.
  • present invention is not limited to this, and it is determined whether or not additional content can be played back on a regional basis including one or more countries. May be.
  • the content playback apparatus 1 includes the nonvolatile memory 4, the AV decoder 8, the position acquisition unit 10, and the control unit 6.
  • the nonvolatile memory 4 stores additional content that is not stored in the BD 14.
  • the AV decoder 8 reproduces the content stored in the BD 14 and the additional content stored in the nonvolatile memory 4.
  • the position acquisition unit 10 acquires current position information indicating the current position.
  • the control unit 6 controls whether or not the AV decoder 8 can reproduce additional content based on the current position information acquired by the position acquisition unit 10. With this configuration, it is possible to control whether or not the additional content can be reproduced according to the current position.
  • the control unit 6 when the position information indicating the position where the additional content is added matches the current position information, the control unit 6 according to the first embodiment permits the AV decoder 8 to reproduce the additional content.
  • the reproduction of additional content by the decoder 8 is restricted.
  • the content reproduction device 1 can restrict the reproduction of the additional content when moving from at least one of the countries or regions where the additional content was downloaded from the Internet 13 to other locations.
  • the control unit 6 when downloading additional content from the Internet 13, refers to at least one of a PSR (Player Status Register) 19 or PSR 20 described later, and the current position indicated by the current position information is
  • the configuration may be such that additional content is downloaded when it matches at least one of PSR19 or PSR20, and no additional content is downloaded when they do not match.
  • Embodiment 2 FIG. In the first embodiment, the configuration for controlling whether or not to reproduce additional content downloaded from the Internet 13 has been described. In the second embodiment, a configuration for controlling whether or not the content stored in the BD 14 can be reproduced will be described.
  • the BD standard defines that information indicating the state of the content playback apparatus 1 is held in a 32-bit register built in the content playback apparatus 1 called PSR.
  • PSR information indicating the state of the content playback apparatus 1
  • a value set in the PSR 19 is called a country code, and indicates a country in which content reproduction or the like is permitted.
  • a value set in the PSR 20 is called a region code, and indicates a region in which content reproduction or the like is permitted.
  • the intention that the values such as PSR19 and PSR20 are provided in the BD standard is for the content producer or seller to adjust the release date, price, content, and the like according to the country and region.
  • FIG. 7 is a block diagram showing a configuration example of the content reproduction apparatus 1 according to Embodiment 2 of the present invention.
  • the content reproduction device 1 according to the second embodiment has a configuration in which a PSR value storage unit 20 is added to the content reproduction device 1 according to the first embodiment shown in FIG.
  • the PSR value storage unit 20 is the 32-bit length register described above, and stores values such as PSR19 and PSR20.
  • the PSR 19 corresponds to “permission information indicating a country where content playback is permitted”
  • the PSR 20 corresponds to “permission information indicating a region where content playback is permitted”.
  • FIG. 8 is a reference example for helping understanding of the second embodiment of the present invention, and is a conceptual diagram showing whether or not content can be reproduced using a country code and a region code.
  • the content reproduction apparatus 1 is mounted on the vehicle shown in FIG. This vehicle is moving from Finland to Russia. According to the region code classification of the BD standard, Finland is region B and Russia is region C.
  • the BD 14 stores a country code “Finland” and a region code “B”.
  • the PSR value storage unit 20 of the content reproduction apparatus 1 stores a value indicating “Finland” as the PSR 19 and a value indicating “region B” as the PSR 20.
  • the control unit 6 reproduces the content when the country code and the region code stored in the BD 14 match the PSR 19 and the PSR 20 stored in the PSR value storage unit 20 at the start of the reproduction of the content of the BD 14.
  • the control unit 6 plays back the content. Restrict. As a result, the copyright of the content is protected as intended by the content producer or seller.
  • the content playback apparatus 1 moves to a country or region having a different PSR value during content playback, that is, when the vehicle moves from Finland to Russia in FIG. 8, the values of PSR19 and PSR20 at the start of playback are played back. Since the medium is effective, the reproduction of the content is continued. This is because the current position of the content playback apparatus 1 is a country other than the country code set in the PSR 19 and the current position of the content playback apparatus 1 is a region other than the region B stored in the BD 14. , Contrary to the intention of the content producer or seller. Therefore, in the second embodiment of the present invention, the intention of the content producer or seller is taken more strictly, and the content reproduction is restricted when the content reproduction apparatus 1 moves to a place other than that indicated by PSR19 or PSR20.
  • FIG. 9 is a flowchart showing an operation example of the content reproduction apparatus 1 according to Embodiment 2 of the present invention.
  • the content playback apparatus 1 periodically repeats the operations shown in the flowchart of FIG. 9 during content playback.
  • the control unit 6 refers to the current position information from the position acquisition unit 10.
  • step ST22 the control unit 6 refers to the value of the PSR 19 stored in the PSR value storage unit 20, and determines whether or not the current position indicated by the current position information matches the country code of the PSR 19. If the current position matches the country code of the PSR 19 (step ST22 “YES”), the process proceeds to step ST23, and if not (step ST22 “NO”), the process proceeds to step ST24.
  • step ST23 the control unit 6 refers to the value of the PS20 stored in the PSR value storage unit 20, and determines whether or not the current position indicated by the current position information matches the region code of the PSR20. If the current position matches the region code of the PSR 20 (step ST23 “YES”), the process ends. If they do not match (step ST23 “NO”), the process proceeds to step ST24. When the process is finished, the control unit 6 continues to reproduce the content of the BD 14.
  • step ST24 the control unit 6 restricts the reproduction of the content stored in the BD 14.
  • the means for restricting reproduction There is no limitation on the means for restricting reproduction.
  • the control unit 6 may stop the playback of the content, stop only the audio, or display a message indicating that the country code or the region code does not match as a means for restricting playback. .
  • FIG. 10 is a conceptual diagram showing whether or not the content using the current position information can be reproduced in the second embodiment of the present invention.
  • the content reproduction apparatus 1 is mounted on the vehicle shown in FIG. This vehicle is moving from Finland to Russia. According to the region code classification of the BD standard, Finland is region B and Russia is region C.
  • the BD 14 stores a country code “Finland” and a region code “B”.
  • the PSR value storage unit 20 of the content reproduction apparatus 1 stores a value indicating “Finland” as the PSR 19 and a value indicating “region B” as the PSR 20.
  • the control unit 6 When the content stored in the BD 14 is played back, the control unit 6 repeatedly performs the operation shown in the flowchart of FIG. 9, so that the current position information is obtained when the vehicle on which the content playback device 1 is mounted moves from Finland to Russia. Since the country name “USD” based on PSR19 does not match “Finland” in PSR19 and “Region B” in PSR20, playback of content is restricted.
  • the control unit 6 stops the content playback by the AV decoder 8, and a screen “STOP MENU” is displayed on the display 12 via the AV decoder 8 and the AV output unit 9. Is displayed.
  • control unit 6 may be configured to continue the content reproduction when at least one of the country code and the region code matches the current position.
  • control unit 6 controls whether or not the AV decoder 8 can reproduce the content based on the current position information.
  • the control unit 6 controls whether or not the AV decoder 8 can reproduce the content based on the current position information.
  • it is possible to control whether or not the content can be reproduced according to the current position.
  • whether or not the content and the additional content can be reproduced can be controlled according to the current position.
  • control unit 6 acquires the value of the PSR 19 indicating the country where the reproduction of the content is permitted and the value of the PSR 20 indicating the region from the PSR value storage unit 20.
  • the control unit 6 permits the AV decoder 8 to reproduce the content, and otherwise restricts the content reproduction by the AV decoder 8.
  • the content reproduction apparatus 1 can restrict the reproduction of the content according to the current position during content reproduction.
  • FIGS. 11A and 11B are diagrams showing a hardware configuration example of the content reproduction device 1 according to each embodiment of the present invention.
  • the pickup unit 2 in the content reproduction apparatus 1 is included in the BD drive 100.
  • the BD drive 100 includes a motor that rotates the BD 14, a laser light source that irradiates the BD 14, and an optical pickup that reads and writes data stored in the BD 14.
  • the nonvolatile memory 4 in the content reproduction device 1 is included in the memory 102.
  • the communication unit 5 in the content reproduction device 1 is a communication device 103.
  • the communication device 103 connects to the Internet 13 by wired or wireless communication.
  • the input unit 7 in the content reproduction device 1 is an input device 104 to which operation information from the HMI 15 is input.
  • the AV output unit 9 in the content reproduction device 1 is an output device 105 that outputs audio and video to the speaker 11 and the display 12.
  • Each function of the signal processing unit 3, the control unit 6, the AV decoder 8, and the position acquisition unit 10 in the content reproduction apparatus 1 is realized by a processing circuit. That is, the content reproduction apparatus 1 includes a processing circuit for realizing the above functions.
  • the processing circuit may be a processing circuit 101 as dedicated hardware as shown in FIG. 11A or a processor 111 that executes a program stored in the memory 102 as shown in FIG. 11B.
  • the processing circuit 101 when the processing circuit is dedicated hardware, includes, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit). , FPGA (Field Programmable Gate Array), or a combination thereof.
  • Each function of the signal processing unit 3, the control unit 6, the AV decoder 8, and the position acquisition unit 10 may be realized by a plurality of processing circuits 101, or the function of each unit may be realized by a single processing circuit 101. Also good.
  • the processing circuit 101 includes the nonvolatile memory 4.
  • each function of the signal processing unit 3, the control unit 6, the AV decoder 8, and the position acquisition unit 10 is software, firmware, or a combination of software and firmware. It is realized by.
  • Software or firmware is described as a program and stored in the memory 102.
  • the processor 111 reads out and executes the program stored in the memory 102, thereby realizing the function of each unit. That is, the content playback apparatus 1 includes a memory 102 for storing a program that, when executed by the processor 111, results in the steps shown in the flowchart of FIG. 3 or FIG. 9 being executed. It can also be said that this program causes a computer to execute the procedure or method of the signal processing unit 3, the control unit 6, the AV decoder 8, and the position acquisition unit 10.
  • the BD-Java program is read from the BD 14 and stored in the memory 102.
  • the processor 111 reads and executes the BD-Java program stored in the memory 102, thereby realizing functions such as resume playback and downloading of additional content.
  • the processor 111 is a CPU (Central Processing Unit), a processing device, an arithmetic device, a microprocessor, a microcomputer, or the like.
  • the memory 102 may be a RAM (Random Access Memory), a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), or a nonvolatile or volatile semiconductor memory such as a flash memory, a hard disk, a flexible disk, or the like. It may be a magnetic disk.
  • the memory 102 includes a nonvolatile memory 4.
  • the memory 102 stores a block management DB.
  • the functions of the signal processing unit 3, the control unit 6, the AV decoder 8, and the position acquisition unit 10 may be realized by dedicated hardware and partly realized by software or firmware.
  • the processing circuit in the content reproduction apparatus 1 can realize the above-described functions by hardware, firmware, or a combination thereof.
  • the present invention can be freely combined with each embodiment, modified with any component in each embodiment, or omitted with any component in each embodiment.
  • the content reproduction apparatus 1 may have a function of writing data to the BD 14 in addition to a function of reading and reproducing data of the BD 14.
  • the content reproduction apparatus 1 described in each embodiment of the present invention can be mounted on a mobile body including a vehicle, a railway, a ship, an aircraft, and the like.
  • the content playback apparatus 1 can be applied to a portable information terminal including a smartphone or a tablet.
  • the content reproduction apparatus controls whether or not additional content can be reproduced based on the current position information, the content reproduction apparatus is suitable for use in a BD reproduction apparatus mounted on a vehicle.
  • 1 content playback device 1 pickup unit, 2 pickup unit, 3 signal processing unit, 4 non-volatile memory (additional content storage unit), 4a ADA, 4b BUDA, 5 communication unit, 6 control unit, 7 input unit, 8 AV decoder (playback unit) , 9 AV output unit, 10 position acquisition unit, 11 speaker, 12 display, 13 Internet, 14 BD, 15 HMI, 16 GPS receiver, 20 PSR value storage unit, 100 BD drive, 101 processing circuit, 102 memory, 103 communication Device, 104 input device, 105 output device, 111 processor.

Abstract

L'invention concerne une unité de commande (6) qui commande s'il faut reproduire un contenu supplémentaire stocké dans une mémoire non volatile (4) sur un décodeur AV (8) sur la base des informations de position présentes acquises par une unité d'acquisition de position (10).
PCT/JP2017/008094 2017-03-01 2017-03-01 Dispositif et procédé de reproduction de contenu WO2018158879A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2017/008094 WO2018158879A1 (fr) 2017-03-01 2017-03-01 Dispositif et procédé de reproduction de contenu
DE112017007159.3T DE112017007159T5 (de) 2017-03-01 2017-03-01 Inhaltswiedergabevorrichtung und Inhaltswiedergabeverfahren
JP2019502360A JP6611982B2 (ja) 2017-03-01 2017-03-01 コンテンツ再生装置およびコンテンツ再生方法

Applications Claiming Priority (1)

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PCT/JP2017/008094 WO2018158879A1 (fr) 2017-03-01 2017-03-01 Dispositif et procédé de reproduction de contenu

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WO2018158879A1 true WO2018158879A1 (fr) 2018-09-07

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Citations (8)

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JPH11337347A (ja) * 1998-05-26 1999-12-10 Kenwood Corp 車載用ナビゲーションシステム
JP2002123801A (ja) * 2000-10-12 2002-04-26 Sony Corp 再生装置
JP2002359806A (ja) * 2001-05-31 2002-12-13 Toshiba Corp 認証方法および情報再生機器
JP2006252672A (ja) * 2005-03-10 2006-09-21 Matsushita Electric Ind Co Ltd 再生装置、再生方法、及び再生プログラム
JP2007148884A (ja) * 2005-11-29 2007-06-14 Mitsubishi Electric Corp 携帯型コンテンツデータ再生装置及びその制限解除方法
JP2008199314A (ja) * 2007-02-13 2008-08-28 Sony Corp 情報処理装置および情報処理方法、情報処理システム、プログラム、並びに、プログラム格納媒体
JP2011159343A (ja) * 2010-01-29 2011-08-18 Clarion Co Ltd 車載用再生装置及び車載用再生装置の再生制御方法
JP2012155397A (ja) * 2011-01-24 2012-08-16 Yappa Corp コンテンツ管理システム、コンテンツ管理方法及びプログラム

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11337347A (ja) * 1998-05-26 1999-12-10 Kenwood Corp 車載用ナビゲーションシステム
JP2002123801A (ja) * 2000-10-12 2002-04-26 Sony Corp 再生装置
JP2002359806A (ja) * 2001-05-31 2002-12-13 Toshiba Corp 認証方法および情報再生機器
JP2006252672A (ja) * 2005-03-10 2006-09-21 Matsushita Electric Ind Co Ltd 再生装置、再生方法、及び再生プログラム
JP2007148884A (ja) * 2005-11-29 2007-06-14 Mitsubishi Electric Corp 携帯型コンテンツデータ再生装置及びその制限解除方法
JP2008199314A (ja) * 2007-02-13 2008-08-28 Sony Corp 情報処理装置および情報処理方法、情報処理システム、プログラム、並びに、プログラム格納媒体
JP2011159343A (ja) * 2010-01-29 2011-08-18 Clarion Co Ltd 車載用再生装置及び車載用再生装置の再生制御方法
JP2012155397A (ja) * 2011-01-24 2012-08-16 Yappa Corp コンテンツ管理システム、コンテンツ管理方法及びプログラム

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