JP2016174241A - Content processing apparatus, content processing method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device, a method and a program capable of simply restricting the viewing of a part of a content.SOLUTION: A content processing device 3 includes a content reception unit 321 for receiving a content to be outputted, a partial restriction information reception unit 322 for receiving the partial restriction information, containing identification information, i.e., the information for restricting the viewing of a part of a content, and identifying a part of a content, a recognition difficulty processing unit 331 performing the processing for making a part of a content, identified by the identification information of the partial restriction information, difficult to recognize, and a content output unit 341 for outputting the content of the results of recognition difficulty processing performed by the recognition difficulty processing unit 331.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a content processing apparatus that makes it difficult to recognize a content portion.

  Conventionally, there has been a technique for efficiently executing image processing such as mosaicing on a specific image in a short time for a video material to be edited (see, for example, Patent Document 1).

  In the present technology, a recognition target image is set from among images included in the image data, a setting step for setting attribute information of the recognition target image, and the attribute information is used for each frame constituting the image data. A search step for searching for the recognition target image in the frame image, and image processing information on the processing target region determined according to the image range in the frame of the recognition target image searched in the search step. The image processing step to be applied is realized by an image editing program that causes the arithmetic processing device to execute.

JP 2013-31034 A

  However, in the prior art, viewing restriction cannot be easily applied to a part of content.

  The content processing apparatus according to the first aspect of the present invention is a content receiving unit that receives content to be output, and information for restricting viewing on the content portion, and partial restriction information that includes specific information that identifies the content portion Restriction recognition receiving part, recognition difficulty processing part that performs recognition difficulty processing that makes it difficult to recognize a part of content specified by the specific information included in the part restriction information, and recognition difficulty processing part make recognition difficult It is a content processing apparatus provided with the content output part which outputs the content of the result of having processed.

  With this configuration, viewing restrictions can be easily applied to a part of the content.

  Further, in the content processing apparatus of the second invention, in contrast to the first invention, the partial restriction information includes type information indicating a type of viewing restriction, and a type instruction which is an instruction indicating the type of viewing restriction. The viewing restriction instruction receiving unit that receives the viewing restriction instruction including the recognition difficulty processing unit makes it difficult to recognize the part of the content specified by the specific information that is paired with the type information corresponding to the type of viewing restriction indicated by the type instruction. Content processing apparatus.

  With this configuration, a plurality of types of viewing restrictions can be easily applied to a part of content.

  In the content processing apparatus according to the third aspect of the present invention, the partial restriction information receiving unit is a device that is different from the device in which the content received by the content receiving unit is stored. The content processing apparatus receives partial restriction information from a restriction information management apparatus.

  With this configuration, viewing restrictions can be easily applied to a part of the content.

  In the content processing apparatus according to the fourth aspect of the invention, the recognition difficulty processing unit recognizes the content specified by the specific information included in the partial restriction information. This is a content processing device that overlays difficult-to-recognize content that is difficult content.

  With this configuration, viewing restrictions can be easily applied to a part of the content.

  In the content processing apparatus according to the fifth aspect of the present invention, in the first to fourth aspects of the invention, the partial restriction information includes a content identifier, type information, and specific information for identifying the content subject to viewing restriction. Is a content processing apparatus.

  With this configuration, viewing restrictions can be easily applied to a part of each of a plurality of contents.

  In addition, in the content processing apparatus according to the sixth aspect of the invention, the content output unit is outputting the content of the part for which the recognition difficulty processing unit has performed the recognition difficulty processing, for any of the first to fifth inventions In addition, the content processing apparatus also outputs countdown information, which is information indicating the time until the output of the content of the part is completed.

  With this configuration, it is possible to reduce the viewer's stress on the output of content with viewing restrictions.

  The content processing apparatus according to the seventh aspect of the present invention is the content processing apparatus according to any one of the first to sixth aspects, wherein the target of viewing restriction is video or audio included in the content, or video and audio. Device.

  With such a configuration, viewing restrictions can be applied to a part of video or audio constituting the content easily.

  According to the content processing apparatus of the present invention, viewing restriction can be easily applied to a part of content.

Conceptual diagram of content processing system according to Embodiment 1 Block diagram of the content processing system A flowchart for explaining a first operation example of the homogeneous content processing apparatus 3 Flow chart explaining the reproduction process A flowchart for explaining a second operation example of the content processing apparatus 3 Figure showing the same content management table Figure showing the partial restriction information management table Figure showing the same content selection screen The figure which shows the output image of the contents Block diagram of the content processing apparatus 3 Block diagram of the content processing system Overview of the computer system Block diagram of the computer system

  Hereinafter, embodiments of a content processing apparatus and the like will be described with reference to the drawings. In addition, since the component which attached | subjected the same code | symbol in embodiment performs the same operation | movement, description may be abbreviate | omitted again.

(Embodiment 1)
In this embodiment, using partial restriction information, which is information for restricting viewing on a content portion, performs recognition difficulty processing on the partial content corresponding to the partial restriction information, and outputs the content A content processing system including a content processing device that performs the above will be described.

  Further, in the present embodiment, the partial restriction information includes two or more types of information, and a content processing system including a content processing apparatus that performs recognition processing of partial content corresponding to partial restriction information corresponding to user designation Will be described.

  In the present embodiment, a content processing system in which partial restriction information is stored in a device different from content will be described.

  Further, in the present embodiment, the recognition processing is described as a content processing system including a content processing apparatus that overlays and outputs the recognition-recognized content so that the partial content corresponding to the partial restriction information is difficult to recognize. To do.

  Furthermore, in the present embodiment, a content processing system including a content processing apparatus that performs countdown output until output of content that is difficult to recognize is completed will be described.

  FIG. 1 is a conceptual diagram of a content processing system according to the present embodiment. The content processing system includes a content management device 1, a partial restriction information management device 2, one, or two or more content processing devices 3.

  The content management apparatus 1 is an apparatus that manages one or more contents. The content management device 1 is, for example, a server device and includes a so-called cloud server.

  The partial restriction information management device 2 is a device that manages one or more pieces of partial restriction information corresponding to one or more pieces of content. The partial restriction information management device 2 is a server device, for example, and includes a so-called cloud server.

  The content processing device 3 is usually a device that outputs content, and is, for example, a personal computer, a so-called smartphone, a tablet terminal, or the like. The content processing device 3 may process the content of the content management device 1, but may process content stored in the content processing device 3 or process content received from other devices. Also good. Further, the content processing device 3 may process the content using the partial restriction information of the partial restriction information management device 2, or process the content using the partial restriction information stored in the content processing device 3. You may do it. That is, the content processing device 3 may be a stand-alone device.

  FIG. 2 is a block diagram of the content processing system in the present embodiment.

  The content management device 1 includes a first storage unit 11, a first reception unit 12, a first processing unit 13, and a first transmission unit 14.

  The partial restriction information management device 2 includes a second storage unit 21, a second reception unit 22, a second processing unit 23, and a second transmission unit 24.

  The content processing apparatus 3 includes a storage unit 31, a reception unit 32, a processing unit 33, an output unit 34, a transmission unit 35, and a reception unit 36.

  The reception unit 32 includes a content reception unit 321, a partial restriction information reception unit 322, and a viewing restriction instruction reception unit 323.

  The processing unit 33 includes a recognition difficulty processing unit 331.

  The output unit 34 includes a content output unit 341.

  The first storage unit 11 constituting the content management apparatus 1 can store one or more contents. Normally, content is stored in pairs with a content identifier. The content identifier is information for identifying content, such as an ID and a title. The content is, for example, a movie, a program, an electronic book, an electronic magazine, or the like, and the type thereof is not limited. The content usually has a video. The content usually has audio. However, the content may be a still image, audio only, etc., and its data type is not limited. The content is preferably a stream.

  The first receiving unit 12 receives a content request that is a request for transmitting content from the content processing device 3. A content request typically has a content identifier. The first receiving unit 12 receives a content list request from the content processing device 3. The content list request is a request for a content list. The content list request is a request for a list of content information for selecting content. Note that the content information usually includes the title of the content.

  The first processing unit 13 performs various processes. For example, the various types of processing are processing for acquiring content corresponding to the content request received by the first receiving unit 12 from the first storage unit 11. For example, the first processing unit 13 acquires content that is paired with a content identifier included in the content request from the first storage unit 11. Moreover, various processes are processes which comprise a content list, for example. The process of configuring the content list is, for example, acquiring the content identifier, title, one or more attribute values (performer, genre, etc.) of one or more contents in the first storage unit 11 and configuring the content list. It is processing. The process of configuring the content list is a process of acquiring information for configuring a list or menu for selecting content to be viewed by the user.

  The first transmission unit 14 transmits the content acquired by the first processing unit 13 to the content processing apparatus 3 that has transmitted the content request. The first transmission unit 14 transmits the content list acquired by the first processing unit 13 to the content processing apparatus 3 that has transmitted the content list request.

  The second storage unit 21 constituting the partial restriction information management device 2 can store one or more partial restriction information.

  The partial restriction information is information for restricting viewing on a content portion. The partial restriction information usually includes a content identifier and specific information. The specific information is information for specifying a content portion. The specific information usually includes start time specific information and end time specific information. The start time specifying information is information for specifying the start time of viewing restriction. The end time specifying information is information for specifying the end time of listening restriction. The start time specifying information and the end time specifying information may be field identifiers that identify fields in the content. The start time specifying information and the end time specifying information may be information indicating an offset in the content. The start time specifying information and the end time specifying information may be information indicating a relative time in the content. The information indicating the relative time is, for example, the time from the start of the content, and is indicated by, for example, “minute: second”.

  That is, the specific information may include information for specifying the start time of viewing restriction and information for specifying the end time point of viewing restriction in the content. The specific information is, for example, a set of offsets from the content start. The set of offsets is an offset that specifies the start of viewing restriction and an offset that specifies the end of viewing restriction. The specific information is, for example, a set of identifiers of fields constituting the content. The set of identifiers is an identifier of a field that specifies the start of viewing restriction and an identifier of a field that specifies the end of viewing restriction.

  The partial restriction information includes, for example, a content identifier, type information, and specific information for identifying content that is subject to viewing restriction. The type information is information indicating the type of viewing restriction. The type information is information indicating that it is a violent scene, information indicating that there is a sexual depiction, information indicating that a broadcast-prohibited term appears, and a scene where grotesque depiction exists. For example, information indicating that there is a scene having a religious problem. The type information may be a character string, an ID, a number, or the like.

  The partial restriction information may include, for example, a partial restriction subject identifier. The partial restriction subject identifier is information for identifying an organization (for example, the Ministry of Education, Culture, Sports, Science and Technology, XX City Board of Education) or an individual (for example, an expert, a general user, etc.) that restricts viewing. The partial restriction subject identifier may be associated with the type information. The partial restriction subject identifier may be a subject that determines whether to restrict viewing. The user may designate one or more partial restriction subject identifiers and use only partial restriction information corresponding to the partial restriction subject identifiers.

  The second receiving unit 22 receives the partial restriction information request. For example, the second receiving unit 22 receives a partial restriction information request from the content processing device 3. The partial restriction information request is usually information for requesting partial restriction information of one content. The partial restriction information request usually has a content identifier. The partial restriction information request may be information requesting only a part of the partial restriction information. The part of the partial restriction information is, for example, specific information and type information or specific information. The partial restriction information request may be information requesting all or part of partial restriction information of all contents.

  The second processing unit 23 performs various processes. The various processes are processes for acquiring, from the second storage unit 21, specific information that is paired with a content identifier included in the partial restriction information request received by the second receiving unit 22, for example. The second processing unit 23 may acquire from the second storage unit 21 the type information and the specific information that are paired with the content identifier included in the partial restriction information request received by the second receiving unit 22. In addition, the second processing unit 23 may acquire partial restriction information including the content identifier included in the partial restriction information request received by the second receiving unit 22 from the second storage unit 21.

  The second transmission unit 24 transmits the specific information acquired by the second processing unit 23. For example, the second transmission unit 24 transmits the specific information acquired by the second processing unit 23 to the content processing apparatus 3 that has transmitted the partial restriction information request. It is preferable that the second transmission unit 24 transmits the type information and the specific information. The second transmission unit 24 may transmit the partial restriction information acquired by the second processing unit 23 to the content processing device 3.

  The storage unit 31 constituting the content processing device 3 can store various types of information. The various types of information are, for example, one or more contents, one or more partial restriction information, and a content list.

  The receiving unit 32 receives instructions, information, and the like. An instruction, information, or the like is a content request, for example. The instructions, information, and the like are viewing restriction instructions, for example. The viewing restriction instruction is an instruction indicating that viewing is restricted. The viewing restriction instruction preferably has type information indicating the type of viewing restriction. The viewing restriction instruction may be an instruction for performing all types of viewing restrictions. Also, the instructions, information, and the like are content list requests, for example. The content list request is a request for acquiring a list of contents constituting a screen for selecting contents.

  “Reception” refers to reception of information input from an input device such as a keyboard, mouse, touch panel, reception of information transmitted via a wired or wireless communication line, an optical disk, a magnetic disk, a recording medium such as a semiconductor memory, etc. This is a concept including reception of information read out from.

  The input means such as instructions and information received by the receiving unit 32 may be anything such as a keyboard, mouse, or menu screen. The accepting unit 32 can be realized by a device driver for input means such as a touch panel and a keyboard, control software for a menu screen, and the like.

  The content reception unit 321 receives content to be output. For example, the content reception unit 321 receives content from the content management apparatus 1. For example, the content reception unit 321 may read content from the storage unit 31. In addition, the content reception unit 321 may receive content by broadcasting, for example.

  The partial restriction information receiving unit 322 is information for restricting viewing on a content portion, and receives partial restriction information including specific information for specifying the content portion.

  It is preferable that the partial restriction information receiving unit 322 receives partial restriction information or the like from the partial restriction information management device 2 that is a device different from the device in which the content received by the content receiving unit 321 is stored. Here, the partial restriction information may be partial restriction information, specific information, type information, and specific information. Note that the device in which the content is stored may be the content management device 1 or the content processing device 3.

  The partial restriction information receiving unit 322 may acquire specific information or type information and specific information paired with a content identifier included in the content request received by the receiving unit 32 from the second storage unit 21.

  The viewing restriction instruction receiving unit 323 receives a viewing restriction instruction. The viewing restriction instruction is an instruction to restrict viewing. The viewing restriction instruction may include one or more types of information indicating the type of viewing restriction. The viewing restriction instruction may be an instruction to perform all types of viewing restriction.

  The processing unit 33 performs various processes. The various types of processing are, for example, recognition difficulty processing performed by the recognition difficulty processing unit 331.

  The various types of processing are, for example, processing for configuring a selection screen for content to be viewed by the user. The process for configuring the content selection screen is, for example, a process for configuring the content selection screen using a content list and a partial restriction information list. The processing unit 33 uses, for example, a menu or a button for selecting a content for each content using information on each content included in the content list and partial restriction information including a content identifier included in the content information. Configure.

  Note that the processing unit 33 acquires, from the partial restriction information list, for example, one or more types of information that are paired with content identifiers included in each piece of content information in the content list. And the process part 33 may comprise a content selection screen, for example using each content information of a content list, and 1 or more types information corresponding to each content information.

  In addition, the various processes are processes for acquiring a content identifier included in the content request received by the reception unit 32 and configuring a partial restriction information request including the content identifier, for example. The various types of processes are processes that constitute a partial restriction information list request, for example. The partial restriction information list request is information for requesting partial restriction information of one or more contents.

  The various processes are processes for accumulating received content in the storage unit 31, for example. The various processes are processes for accumulating the received partial restriction information in the storage unit 31, for example.

  The various processes are processes for acquiring countdown information. The countdown information is information indicating the time until the output of the content of the part subjected to the recognition difficulty process is completed. For example, the processing unit 33 uses the specific information to perform the recognition difficulty processing on each element (for example, field) of the content as a result of the recognition difficulty processing unit 331 performing the recognition difficulty processing. Get countdown information that is a counter until the end of output. For example, the processing unit 33 acquires countdown information from the difference between the time or field ID indicated by the end time specifying information included in the specific information and the output time or field ID of each element of the target content. Note that the counter is the time or the number of fields until the end of output of the content to be subjected to the obscuring process.

  The recognition difficulty processing unit 331 performs recognition difficulty processing that makes it difficult to recognize a part of content specified by the specific information included in the partial restriction information. The part of the content specified by the specific information is appropriately referred to as partial content.

  The recognition difficulty process includes, for example, a process of blurring the partial content video, a process of deleting the partial content video, and a process of overlaying (overwriting) another video on the partial content video. The process of overlaying another video on the video of the partial content is realized by closed caption information (caption information), for example. Further, the recognition difficulty process may be, for example, a process of muting the sound of partial content, a process of lowering the volume of partial content, or the like.

  It is preferable that the recognition difficulty processing unit 331 makes it difficult to recognize a part of the content specified by the specific information paired with the type information corresponding to the type of viewing restriction indicated by the one or more types of information specified by the user. is there. One or more types of information specified by the user are stored in the storage unit 31, for example.

  It is preferable that the recognition difficulty processing unit 331 overlays the content that is difficult to recognize on the content specified by the specific information included in the partial restriction information. Recognized content is content that makes content difficult to recognize, such as a blue background image, caption information, a blurred image, and the like.

  Note that the recognition difficulty process performed by the recognition difficulty processing unit 331 may make it difficult for the viewer to recognize the content, and the degree of recognition difficulty does not matter.

  The output unit 34 outputs various types of information. The various types of information include, for example, content, content that has been subjected to recognition difficulty processing, a content selection screen, and the like. Here, output refers to display on a display, projection using a projector, printing with a printer, sound output, transmission to an external device, storage in a recording medium, and output to other processing devices or other programs. It is a concept that includes delivery of processing results.

  The content output unit 341 outputs content obtained as a result of the recognition difficulty processing unit 331 performing the recognition difficulty processing. The content output unit 341 normally outputs a part of content that is difficult to recognize and another part of content that is not difficult to recognize.

  It is preferable that the content output unit 341 also outputs countdown information during the output of the content that has been subjected to the recognition difficulty processing. The countdown information is information acquired by the processing unit 33.

  The transmission unit 35 transmits a content request to the content management apparatus 1. This content request is a request received by the receiving unit 32 and has a content identifier.

  The transmission unit 35 transmits a partial restriction information request to the partial restriction information management apparatus 2. This partial restriction information request is a request configured by the processing unit 33 and has a content identifier.

  The transmission unit 35 transmits the content list request received by the reception unit 32 to the content management apparatus 1.

  The receiving unit 36 receives a content list from the content management device 1. The content list is a list of contents, and is information including title information of one or more contents. The title information includes, for example, one or more pieces of information of a content title, a content representative image, a content performer, and one or more types of information.

  The receiving unit 36 receives one or more contents from the content management apparatus 1.

  The receiving unit 36 receives one or more pieces of partial restriction information from the partial restriction information management device 2. The receiving unit 36 may receive a partial restriction information list from the partial restriction information management device 2.

  The first storage unit 11, the second storage unit 21, and the storage unit 31 are preferably non-volatile recording media, but can also be realized by volatile recording media. The process in which content etc. are memorize | stored in the 1st storage part 11 grade | etc., Is not ask | required. For example, content or the like may be stored in the first storage unit 11 or the like via a recording medium, and content or the like transmitted via a communication line or the like may be stored in the first storage unit 11 or the like. Alternatively, the content input via the input device may be stored in the first storage unit 11 or the like.

  The first receiving unit 12, the second receiving unit 22, and the receiving unit 36 are usually realized by wireless or wired communication means, but may be realized by means for receiving broadcasts.

  The first processing unit 13, the second processing unit 23, the processing unit 33, and the recognition difficulty processing unit 331 can be usually realized by an MPU, a memory, or the like. The processing procedure of the first processing unit 13 or the like is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).

  The first transmission unit 14, the second transmission unit 24, and the transmission unit 35 are usually realized by wireless or wired communication means, but may be realized by broadcasting means.

  The output unit 34 and the content output unit 341 may or may not include an output device such as a display or a speaker. The output unit 34 can be realized by output device driver software, or output device driver software and an output device.

  Next, the operation of the content processing system will be described. First, an operation example of the content management apparatus 1 will be described.

  The first receiving unit 12 of the content management device 1 receives a content request from the content processing device 3. Then, the first processing unit 13 acquires content that is paired with the content identifier included in the content request from the first storage unit 11. Next, the first transmission unit 14 transmits the content acquired by the first processing unit 13 to the content processing apparatus 3 that has transmitted the content request.

  In addition, the first reception unit 12 receives a content list request from the content processing device 3. And the 1st process part 13 comprises the content list containing the title information of 1 or 2 or more content. Next, the 1st transmission part 14 transmits the content list which the 1st process part 13 comprised to the content processing apparatus 3 which has transmitted the content list request | requirement.

  Next, an operation example of the partial restriction information management apparatus 2 will be described. The second receiving unit 22 of the partial restriction information management device 2 receives a partial restriction information request from the content processing device 3. Then, the second processing unit 23 includes specific information paired with the content identifier included in the partial restriction information request received by the second reception unit 22 or the content identifier included in the partial restriction information request received by the second reception unit 22. The paired type information and specific information are acquired from the second storage unit 21. Then, the second transmission unit 24 transmits the specific information acquired by the second processing unit 23 or the type information and the specific information to the content processing apparatus 3 that has transmitted the partial restriction information request.

  Further, the second receiving unit 22 of the partial restriction information management device 2 receives a partial restriction information list request from the content processing device 3. Then, the second processing unit 23 acquires one or more pieces of partial restriction information from the second storage unit 21 and configures a partial restriction information list. Next, the second transmission unit 24 transmits the partial restriction information list to the content processing apparatus 3 that has transmitted the partial restriction information list request. The partial restriction information list may be information having one or more sets of content identifiers and one or more types of information, or information having one or more sets of content identifiers, specific information, and one or more types of information.

  Next, a first operation example of the content processing apparatus 3 will be described using the flowchart of FIG. The first operation example is a case where content is stored in the content management apparatus 1 and partial restriction information is stored in the partial restriction information management apparatus 2.

  (Step S301) The viewing restriction instruction receiving unit 323 determines whether or not a viewing restriction instruction has been received. If a viewing restriction instruction is accepted, the process goes to step S302. If a viewing restriction instruction is not accepted, the process goes to step S303.

  (Step S302) The processing unit 33 acquires one or more types of information corresponding to the viewing restriction instruction received in Step S301. Then, the processing unit 33 accumulates the acquired one or more types of information in the storage unit 31. The process returns to step S301. Note that the one or more types of information accumulated in the storage unit 31 is information indicating types of restrictions that the user wants to restrict viewing.

  (Step S303) The accepting unit 32 determines whether a content list request has been accepted. If a content list request is accepted, the process goes to step S304, and if no content list request is accepted, the process goes to step S313.

  (Step S304) The transmission unit 35 transmits the content list request received by the reception unit 32 to the content management apparatus 1.

  (Step S305) The receiving unit 36 determines whether or not a content list has been received from the content management apparatus 1. When the content list is received, the process goes to step S306, and when not received, the process returns to step S305.

  (Step S306) The processing unit 33 accumulates the content list received in step S305 in the storage unit 31.

  (Step S307) The processing unit 33 constitutes a partial restriction information list request.

  (Step S308) The transmission unit 35 transmits the partial restriction information list request configured in step S307 to the partial restriction information management apparatus 2.

  (Step S309) The receiving unit 36 determines whether or not the partial restriction information list has been received from the partial restriction information management apparatus 2. When the partial restriction information list is received, the process goes to step S310, and when not received, the process returns to step S309.

  (Step S310) The processing unit 33 accumulates the partial restriction information list received in step S309 in the storage unit 31.

  (Step S311) The processing unit 33 configures a content selection screen by using the content list in the storage unit 31 and the partial restriction information list in the storage unit 31.

  (Step S312) The output unit 34 outputs the content selection screen configured in step S311. The process returns to step S301.

  (Step S313) The receiving unit 32 determines whether a content request has been received. When the content request is accepted, the process goes to step S314, and when the content request is not accepted, the process returns to step S301. The content request has a content identifier. The content request is usually a request for content instructed by the user on the output content selection screen.

  (Step S314) The transmission unit 35 transmits the content request accepted in Step S313 to the content management apparatus 1.

  (Step S315) The content reception unit 321 determines whether or not content has been received from the content management device 1. When the content is received, the process goes to step S316, and when the content is not received, the process returns to step S315.

  (Step S316) The processing unit 33 accumulates the content received in step S315 in the storage unit 31.

  (Step S317) The processing unit 33 configures a partial restriction information request using a content identifier included in the content request.

  (Step S318) The transmission unit 35 transmits the partial restriction information request configured in step S317 to the partial restriction information management apparatus 2.

  (Step S319) The receiving unit 36 determines whether or not partial restriction information has been received from the partial restriction information management apparatus 2. When the partial restriction information is received, the process goes to step S320, and when the partial restriction information is not received, the process returns to step S319.

  (Step S320) The processing unit 33 accumulates the partial restriction information received in step S319 in the storage unit 31.

  (Step S321) The content output unit 341 and the recognition difficulty processing unit 331 perform content reproduction processing using the partial restriction information. The process returns to step S301. The reproduction process will be described with reference to the flowchart of FIG.

  In the flowchart of FIG. 3, the process ends when the power is turned off or the process is terminated.

  Further, in the flowchart of FIG. 3, it corresponds to one or more partial restriction subject identifiers specified by the user, one or more predetermined partial restriction subject identifiers, or one or more partial restriction subject identifiers stored in the storage unit 31. Only the partial restriction information may be valid, and the content processing device 3 may perform processing that makes recognition difficult.

  Next, the reproduction processing in step S321 will be described using the flowchart of FIG.

  (Step S401) The recognition difficulty processing unit 331 acquires from the storage unit 31 one or more types of information for performing viewing restriction.

  (Step S402) The content output unit 341 assigns 1 to the counter i.

  (Step S403) The content output unit 341 determines whether or not the i-th content element exists in the content to be reproduced. If the i-th content element exists, the process goes to step S404, and if the i-th content element does not exist, the process returns to the upper process. The content element is a unit of reproduction, and is, for example, a field or a frame in a video.

  (Step S404) The content output unit 341 acquires the i-th content element of the content to be reproduced from the storage unit 31.

  (Step S405) The recognition difficulty processing unit 331 uses the specific information included in the partial restriction information corresponding to the content to be played back, and the i-th content element is one of one or more of the viewing restrictions acquired in step S401. It is determined whether or not the subject is subject to viewing restriction corresponding to the type information. If it is a viewing restriction target, the process goes to step S406, and if it is not a viewing restriction target, the process goes to step S407.

  (Step S406) The recognition difficulty processing unit 331 performs recognition difficulty processing on the i-th content element of the content to be reproduced.

  (Step S407) The content output unit 341 outputs the i-th content element for which the recognition difficulty processing unit 331 has performed the recognition difficulty process or the i-th content element for which the recognition difficulty process has not been performed.

  (Step S408) The content output unit 341 increments the counter i by 1.

  (Step S409) The receiving unit 32 determines whether or not a playback end instruction, which is an instruction to end the content playback process, has been received. When the reproduction end instruction is accepted, the process returns to the upper process, and when the reproduction end instruction is not accepted, the process returns to step S403. The reproduction end instruction is an instruction input by the user and received by the receiving unit 32.

  Next, a second operation example of the content processing apparatus 3 will be described using the flowchart of FIG. Note that the second operation example is a case where the content processing apparatus 3 stores both content and partial restriction information. In the flowchart of FIG. 5, the description is omitted because it includes a part of steps constituting the flowchart of FIG. 3. Note that in step S321 in FIG. 5, the recognition difficulty processing unit 331 performs the recognition difficulty processing using the content in the storage unit 31 and the partial restriction information.

  Hereinafter, a specific operation of the content processing system in the present embodiment will be described. A conceptual diagram of the content processing system is shown in FIG.

  Hereinafter, two specific examples will be described. Specific example 1 is a case where the content management apparatus 1 holds content and the partial restriction information management apparatus 2 holds partial restriction information. Specific example 2 is a case where the content processing apparatus 3 holds content and minute limit information.

(Specific example 1)
In the specific example 1, the first storage unit 11 of the content management apparatus 1 stores the content management table shown in FIG. The content management table manages one or more pieces of content information. The content management table manages one or more records having “ID” and “content information”. “ID” is information for identifying a record. The “content information” includes “content identifier”, “title”, “representative image”, and “content”. The “content identifier” is an ID for identifying content here. “Title” is title information indicating the title of the content. The “representative image” is a representative image of content. “Content” is the content itself, and is, for example, a movie, a drama, a TV program, or the like.

  Further, the second storage unit 21 of the partial restriction information management device 2 stores a partial restriction information management table shown in FIG. The partial restriction information management table manages one or more records having “ID”, “content identifier”, and “partial restriction information”. “ID” is information for identifying a record. The “content identifier” is an ID for identifying content here. “Partial restriction information” includes “specific information” and “type information”. The “partial restriction information” may be only specific information. The “specific information” includes “start point specifying information” and “end point specifying information”. “Starting point specifying information” is information for specifying a starting point where the recognition difficulty process is performed. The “end point specifying information” is information for specifying the end point where the recognition difficulty process is performed.

  In the partial restriction information management table, “start point specifying information” and “end point specifying information” are indicated by a field ID for identifying a field or a time (minute: second) from the start of the content. “Type information” is, for example, “violence”, “sexual”, “grotesque”, or the like. “Violence” is information indicating a violent scene. “Sexual” is information indicating that the scene has a sexual depiction. “Grotesque” is information indicating that the scene has a grotesque depiction.

  In this situation, it is assumed that the user has input a viewing restriction instruction. Here, it is assumed that the input viewing restriction instruction is a viewing restriction instruction having type information “violence” and “grotesque”.

  Next, the viewing restriction instruction receiving unit 323 of the content processing apparatus 3 receives a viewing restriction instruction having the type information “violence” and “grotesque”. Next, the processing unit 33 acquires type information “violence” and “grotesque” corresponding to the received viewing restriction instruction. Then, the processing unit 33 accumulates the acquired type information “violence” and “grotesque” in the storage unit 31.

  Next, it is assumed that the user inputs a content list request in order to select content to view.

  Next, the reception unit 32 receives a content list request. Then, the transmission unit 35 transmits the content list request received by the reception unit 32 to the content management apparatus 1.

  Next, the first receiving unit 12 of the content management device 1 receives a content list request from the content processing device 3.

  Next, the first processing unit 13 reads one or more pieces of content information from the content management table of FIG. The content information is each record in FIG.

  And the 1st process part 13 comprises the content list containing the title information of 1 or 2 or more content from the read 1 or more content information. The content list has a button for selecting content. It is assumed that the button display is a representative image.

  Next, the 1st transmission part 14 transmits the content list which the 1st process part 13 comprised to the content processing apparatus 3 which has transmitted the content list request | requirement.

  Next, the receiving unit 36 of the content processing device 3 receives the content list from the content management device 1. Then, the processing unit 33 accumulates the received content list in the storage unit 31.

  Next, the processing unit 33 constitutes a partial restriction information list request. Then, the transmission unit 35 transmits the partial restriction information list request configured in step S307 to the partial restriction information management apparatus 2.

  Next, the second receiving unit 22 of the partial restriction information management device 2 receives the partial restriction information list request. Then, the second processing unit 23 reads one or more sets of content identifiers and one or more types of information from the partial restriction information management table of FIG. Next, the second transmission unit 24 transmits one or more sets of information (content identifier and one or more types of information) read by the second processing unit 23 to the content processing apparatus 3 that has transmitted the partial restriction information list request. To do. One or more sets of information (content identifier and one or more types of information) are a partial restriction information list.

  Next, the receiving unit 36 of the content processing device 3 receives the partial restriction information list from the partial restriction information management device 2. Then, the processing unit 33 accumulates the received partial restriction information list in the storage unit 31.

  Next, the processing unit 33 configures a content selection screen using the content list and the partial restriction information list stored in the storage unit 31.

  Then, the output unit 34 outputs the configured content selection screen. Here, the content selection screen is, for example, FIG. 801 in FIG. 8 is the title of the content. Reference numeral 802 denotes a button for selecting content, and a representative image of the content is displayed. Reference numerals 803, 804, and 805 denote icons corresponding to the type information. The icon corresponding to the type information may be information transmitted from the partial restriction information management device 2 or information held in the storage unit 31 of the content processing device 3. Note that 803 is an icon corresponding to the type information “violence”, 804 is an icon corresponding to the type information “sexual”, and 805 is an icon corresponding to the type information “grotesque”.

  Next, it is assumed that the user presses the button 806 on the content selection screen in FIG.

  Next, the receiving unit 32 of the content processing apparatus 3 receives a content request for content corresponding to the button 806. The content request has a content identifier “C02”.

  Next, the transmission unit 35 transmits a content request having the content identifier “C02” to the content management apparatus 1.

  Next, the first receiving unit 12 of the content management device 1 receives a content request having the content identifier “C02” from the content processing device 3. Then, the content reception unit 321 reads the content that is paired with the content identifier “C02” included in the content request from the first storage unit 11. Next, the first transmission unit 14 transmits the content acquired by the first processing unit 13 to the content processing apparatus 3 that has transmitted the content request.

  Next, the content receiving unit 321 of the content processing device 3 receives the content corresponding to the content identifier “C02” from the content management device 1. Next, the processing unit 33 accumulates the content received in step S315 in the storage unit 31.

  Next, the processing unit 33 configures a partial restriction information request using the content identifier “C02” included in the content request. The partial restriction information request has a content identifier “C02”.

  Next, the transmission unit 35 transmits a partial restriction information request having the content identifier “C02” to the partial restriction information management apparatus 2.

  Next, the second receiving unit 22 of the partial restriction information management apparatus 2 receives the partial restriction information request having the content identifier “C02”. Then, the second processing unit 23 sets the partial restriction information “<start point specifying information> 10:56, <end point specifying” paired with the content identifier “C02” included in the partial limit information request received by the second receiving unit 22. Information> 13:38, <Type information> Sexual ”,“ <Start point specification information> 28:31, <End point specification information> 35:07, <Type information> Violence ”, partial restriction information management table of FIG. Get from. Then, the second transmission unit 24 transmits the two pieces of partial restriction information acquired by the second processing unit 23 to the content processing apparatus 3 that has transmitted the partial restriction information request.

  Next, the partial restriction information receiving unit 322 receives partial restriction information “<start point identification information> 10:56, <end point identification information> 13:38, <type information> sexual” from the partial restriction information management apparatus 2. <Starting point specifying information> 28:31, <Ending point specifying information> 35:07, <Type information> Violence ”is received. Then, the processing unit 33 accumulates the received partial restriction information in the storage unit 31.

  Next, the content output unit 341 and the recognition difficulty processing unit 331 use the partial restriction information to perform content reproduction processing as follows.

  That is, first, the recognition difficulty processing unit 331 acquires viewing restriction type information “violence” from the storage unit 31.

  Next, the content output unit 341 obtains the content field to be reproduced from the first.

  Then, the recognition difficulty processing unit 331 uses the partial restriction information corresponding to the content to be played back to determine whether each field is a target of viewing restriction corresponding to the acquired viewing restriction type information “violence”. The partial restriction information “<start point specifying information> 10:56, <end point specifying information> 13:38, <type information> sexual” “<start point specifying information> 28:31, <end point specifying information > 35:07, <type information> violence ”.

  Then, for the field corresponding to “<start point specifying information> 28:31, <end point specifying information> 35:07”, the recognition difficulty processing unit 331 obtains the type information “violence” of the viewing restriction acquired. It is determined that it is a target of viewing restriction corresponding to the above, and the recognition difficulty processing unit 331 determines that it is not a target of viewing restriction for fields other than the above.

  Then, the recognition difficulty processing unit 331 performs recognition difficulty processing on the field “from 28 minutes 31 seconds to 35 minutes 07 seconds” from the start of the content to be played. Here, it is assumed that the recognition difficulty process is a blurring process.

  Next, the content output unit 341 outputs normal fields that have not been subjected to the recognition difficulty process for the fields from the start to 28 minutes 31 seconds before. Then, the content output unit 341 outputs the field on which recognition difficulty processing has been performed from the 28th 31st to the 35th 07th from the start. Then, after 35 minutes 07 seconds, the content output unit 341 outputs a normal field that has not been subjected to recognition difficulty processing.

  An output image of content is shown in FIG. In FIG. 9, (a) is an image of content when viewing restriction is not applied. (B) is an image of content when viewing restriction is applied. Further, reference numeral 901 in (b) denotes a scene where sexual depiction exists but is not subject to viewing restrictions. 920 of (b) is a violent scene and is a scene where viewing restrictions are applied. Reference numeral 903 denotes an output example of count information, which indicates the time until the state where the viewing restriction is applied ends.

  Then, when the reproduction of the content corresponding to the content identifier “C02” ends, or when the reception unit 32 receives a reproduction end instruction, the process ends.

(Specific example 2)
FIG. 10 shows a block diagram of the content processing device 3 in the second specific example. The content processing device 3 in the specific example 2 is a stand-alone, and the content processing device 3 includes a storage unit 31, a reception unit 32, a processing unit 33, and an output unit 34.

  In Specific Example 2, the storage unit 31 of the content processing device 3 stores the title “XXX”, the representative image, and the content corresponding to the content identifier “C2” in the content management table illustrated in FIG. The storage unit 21 also includes partial restriction information “<start point identification information> 10:56, <end point identification information> 13:38 corresponding to the content identifier“ C2 ”in the partial restriction information management table illustrated in FIG. , <Type information> sexual ”,“ <start point specifying information> 28:31, <end point specifying information> 35:07, <type information> violence ”. It is preferable that the content and the like corresponding to the content identifier “C2” and the partial restriction information are stored in a recording medium such as an optical disk or a hard disk.

  In this situation, it is assumed that the user inputs a viewing restriction instruction to the content processing device 3. Here, it is assumed that the input viewing restriction instruction is a viewing restriction instruction having type information “violence” and “grotesque”.

  Next, the viewing restriction instruction receiving unit 323 of the content processing apparatus 3 receives a viewing restriction instruction having the type information “violence” and “grotesque”. Next, the processing unit 33 acquires type information “violence” and “grotesque” corresponding to the received viewing restriction instruction. Then, the processing unit 33 accumulates the acquired type information “violence” and “grotesque” in the storage unit 31.

  Next, it is assumed that the user inputs a content request to the content processing device 3.

  Next, the receiving unit 32 of the content processing apparatus 3 receives a content request for content corresponding to the button 806.

  Next, the content reception unit 321 acquires content that is paired with the content identifier “C02” from the first storage unit 11.

  Next, the partial restriction information receiving unit 322 receives the partial restriction information “<start point specifying information> 10:56, <end point specifying information> 13:38, <type information> sexual” “<start point” from the storage unit 31. Specific information> 28:31, <end point specific information> 35:07, <type information> violence ”is acquired.

  Next, the content output unit 341 and the recognition difficulty processing unit 331 use the partial restriction information to perform content reproduction processing as follows.

  That is, first, the recognition difficulty processing unit 331 acquires viewing restriction type information “violence” from the storage unit 31.

  Next, the content output unit 341 obtains the content field to be reproduced from the first.

  Then, the recognition difficulty processing unit 331 uses the partial restriction information corresponding to the content to be played back to determine whether each field is a target of viewing restriction corresponding to the acquired viewing restriction type information “violence”. The partial restriction information “<start point specifying information> 10:56, <end point specifying information> 13:38, <type information> sexual” “<start point specifying information> 28:31, <end point specifying information > 35:07, <type information> violence ”.

  Then, for the field corresponding to “<start point specifying information> 28:31, <end point specifying information> 35:07”, the recognition difficulty processing unit 331 obtains the type information “violence” of the viewing restriction acquired. Is determined to be subject to viewing restrictions corresponding to. Then, the recognition difficulty processing unit 331 determines that the recognition difficulty processing unit 331 is not subject to viewing restriction for fields other than those described above.

  Then, the recognition difficulty processing unit 331 performs recognition difficulty processing on the field “from 28 minutes 31 seconds to 35 minutes 07 seconds” from the start of the content to be played. Here, it is assumed that the recognition difficulty process is a blurring process.

  Next, the content output unit 341 outputs normal fields that have not been subjected to the recognition difficulty process for the fields from the start to 28 minutes 31 seconds before. Then, the content output unit 341 outputs the field on which recognition difficulty processing has been performed from the 28th 31st to the 35th 07th from the start. Then, after 35 minutes 07 seconds, the content output unit 341 outputs a normal field that has not been subjected to recognition difficulty processing. FIG. 9 shows an image of such content output.

  Then, when the reproduction of the content corresponding to the content identifier “C02” ends, or when the reception unit 32 receives a reproduction end instruction, the process ends.

  As described above, according to the present embodiment, viewing restrictions can be easily applied to a part of content.

  Further, according to the present embodiment, since the content and the partial restriction information are separated, viewing restriction can be easily applied to a part of the content without infringing the copyright of the content.

  Moreover, according to this Embodiment, since the content and the partial restriction information are separated, for example, it is possible to customize the portion where the viewing restriction is applied for each user. Further, since the content and the partial restriction information are separated, for example, it is possible to customize the portion where the viewing restriction is applied for each content provider.

  Further, according to the present embodiment, by outputting the countdown information, it is possible to reduce the viewer's stress on the output of the content with the viewing restriction.

  In the present embodiment, the content processing device 3 may send the content to the display device 4. In such a case, the user can view the content from the display device 4. The display device 4 is a display. FIG. 11 is a block diagram of the content processing system in such a case.

  In the present embodiment, the partial restriction information may be prepared for each user and for each content.

  Further, in the present embodiment, the content processing device 3 uses the partial restriction information of the partial restriction information management device 2 and the content stored locally, and includes content including content that has been subjected to recognition difficulty processing. It may be output.

  Further, in the present embodiment, the content processing device 3 outputs content including the content subjected to the recognition difficulty processing using the partial restriction information stored locally and the content of the content management device 1. May be.

  Furthermore, the processing in the present embodiment may be realized by software. Then, this software may be distributed by software download or the like. Further, this software may be recorded and distributed on a recording medium such as a CD-ROM. This also applies to other embodiments in this specification. The software realized by the content processing apparatus 3 in the present embodiment is the following program. That is, this program is information for restricting viewing on a content reception unit that receives content to be output from the computer and the content portion, and partial restriction information that includes specific information that identifies the content portion A partial restriction information receiving unit for receiving a recognition difficulty, a recognition difficulty processing unit for performing a recognition difficulty process for making it difficult to recognize a part of the content specified by the specific information included in the partial restriction information, and the recognition difficulty processing unit It is a program for functioning as a content output unit that outputs content resulting from the recognition difficulty processing.

  In the above program, the partial restriction information includes type information indicating a type of viewing restriction, and a viewing restriction instruction receiving unit that receives a viewing restriction instruction including a type instruction that is an instruction indicating the type of viewing restriction. And the recognition difficulty processing unit makes it difficult to recognize the part of the content specified by the specific information paired with the type information corresponding to the type of viewing restriction indicated by the type instruction. It is preferable that the program is a function that functions.

  Further, in the above program, the partial restriction information receiving unit is configured to receive partial restriction information from a partial restriction information management device that is a device different from a device in which the content received by the content receiving unit is stored. It is preferable that the program is a function that functions.

  Further, in the above program, the recognition difficulty processing unit overlays the content that is difficult to recognize on the content specified by the specific information included in the partial restriction information. It is preferable that the program is a function that functions.

  In the above program, it is preferable that the partial restriction information is a program that causes a computer to function as having a content identifier, type information, and specific information for identifying content to be subject to viewing restriction.

  Further, in the above program, the content output unit is information indicating a time until the output of the content of the part is completed while the content of the part for which the recognition difficulty processing unit has performed the recognition difficulty process is being output. A program that causes a computer to function as a device that outputs certain countdown information is also preferable.

  FIG. 12 shows the external appearance of a computer that executes the program described in this specification to realize the content processing apparatus and the like according to the various embodiments described above. The above-described embodiments can be realized by computer hardware and a computer program executed thereon. FIG. 12 is an overview diagram of the computer system 300, and FIG. 13 is a block diagram of the system 300.

  In FIG. 12, a computer system 300 includes a computer 301 including a CD-ROM drive, a keyboard 302, a mouse 303, and a monitor 304.

  In FIG. 13, in addition to the CD-ROM drive 3012, the computer 301 includes an MPU 3013, a bus 3014 connected to the MPU 3013 and the CD-ROM drive 3012, a ROM 3015 for storing a program such as a bootup program, and an MPU 3013. And a RAM 3016 for temporarily storing instructions of the application program and providing a temporary storage space, and a hard disk 3017 for storing the application program, the system program, and data. Although not shown here, the computer 301 may further include a network card that provides connection to a LAN.

  A program that causes the computer system 300 to execute the functions of the content processing apparatus and the like of the above-described embodiment may be stored in the CD-ROM 3101, inserted into the CD-ROM drive 3012, and further transferred to the hard disk 3017. Alternatively, the program may be transmitted to the computer 301 via a network (not shown) and stored in the hard disk 3017. The program is loaded into the RAM 3016 at the time of execution. The program may be loaded directly from the CD-ROM 3101 or the network.

  The program does not necessarily include an operating system (OS) or a third-party program that causes the computer 301 to execute the functions of the content processing apparatus according to the above-described embodiment. The program only needs to include an instruction portion that calls an appropriate function (module) in a controlled manner and obtains a desired result. How the computer system 300 operates is well known and will not be described in detail.

  In the above program, in the step of transmitting information, the step of receiving information, etc., processing performed by hardware, for example, processing performed by a modem or an interface card in the transmission step (only performed by hardware) Processing) is not included.

  Further, the computer that executes the program may be singular or plural. That is, centralized processing may be performed, or distributed processing may be performed.

  Further, in each of the above embodiments, it goes without saying that two or more communication units existing in one apparatus may be physically realized by one medium.

  In each of the above embodiments, each process may be realized by centralized processing by a single device, or may be realized by distributed processing by a plurality of devices.

  The present invention is not limited to the above-described embodiments, and various modifications are possible, and it goes without saying that these are also included in the scope of the present invention.

  As described above, the content processing apparatus according to the present invention has an effect that viewing restriction can be easily applied to a part of the content, and is useful as a content reproduction apparatus or the like.

DESCRIPTION OF SYMBOLS 1 Content management apparatus 2 Partial restriction | limiting information management apparatus 3 Content processing apparatus 4 Display apparatus 11 1st storage part 12 1st receiving part 13 1st processing part 14 1st transmission part 21 2nd storage part 22 2nd receiving part 23 2nd Processing unit 24 Second transmission unit 31 Storage unit 32 Reception unit 33 Processing unit 34 Output unit 35 Transmission unit 36 Reception unit 321 Content reception unit 322 Partial restriction information reception unit 323 Viewing restriction instruction reception unit 331 Recognition difficulty processing unit 341 Content output Part

Claims (9)

A content reception unit for receiving content to be output;
Information for restricting viewing on the content part, and a partial restriction information receiving unit for receiving partial restriction information including specific information for specifying the content part;
A recognition difficulty processing unit that performs recognition difficulty processing that makes it difficult to recognize the part of the content specified by the specific information included in the partial restriction information;
A content processing apparatus comprising: a content output unit that outputs content obtained as a result of the recognition difficulty processing unit performing the recognition difficulty processing. The partial restriction information is
It has type information indicating the type of viewing restrictions,
A viewing restriction instruction receiving unit that receives a viewing restriction instruction including a type instruction that is an instruction indicating a type of viewing restriction;
The recognition difficulty processing unit
The content processing apparatus according to claim 1, wherein the content part specified by the specific information paired with the type information corresponding to the type of viewing restriction indicated by the type instruction is difficult to recognize. The partial restriction information receiving unit
The content processing apparatus according to claim 1, wherein partial restriction information is received from a partial restriction information management apparatus that is an apparatus different from an apparatus that stores content received by the content reception unit. The recognition difficulty processing unit
The content processing apparatus according to any one of claims 1 to 3, wherein the content that is difficult to recognize is overlaid on the content specified by the specific information included in the partial restriction information. The partial restriction information is
The content processing apparatus according to any one of claims 1 to 4, further comprising: a content identifier for identifying content to which viewing is restricted, type information, and specific information. The content output unit
The countdown information which is information indicating the time until the output of the content of the part is output while outputting the content of the part that has been subjected to the recognition difficulty process by the recognition difficulty processing unit. Item 6. The content processing device according to any one of Items 5 to 6. The content processing apparatus according to any one of claims 1 to 6, wherein the target of the viewing restriction is video or audio included in the content, or video and audio. A content output method realized by a content reception unit, a partial restriction information reception unit, a recognition difficulty processing unit, and a content output unit,
A content receiving step in which the content receiving unit receives content to be output;
The partial restriction information accepting step is a part restriction information accepting step for accepting partial restriction information including information for specifying the content part, which is information for restricting viewing on the content part.
A recognition difficulty processing step in which the recognition difficulty processing unit performs a recognition difficulty processing for making it difficult to recognize a part of the content specified by the specific information included in the partial restriction information;
A content output method, comprising: a content output step in which the content output unit outputs a content obtained as a result of the recognition difficulty processing unit performing the recognition difficulty processing. Computer
A content reception unit for receiving content to be output;
Information for restricting viewing on the content part, and a partial restriction information receiving unit for receiving partial restriction information including specific information for specifying the content part;
A recognition difficulty processing unit that performs recognition difficulty processing that makes it difficult to recognize the part of the content specified by the specific information included in the partial restriction information;
The program for functioning as a content output part which outputs the content as a result of the recognition difficulty process part performing the recognition difficulty process.