WO2006011398A1 - 情報処理装置および方法、記録媒体、並びにプログラム - Google Patents
情報処理装置および方法、記録媒体、並びにプログラム Download PDFInfo
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Classifications
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Definitions
- the present invention relates to an information processing apparatus and method, a recording medium, and a program. In particular, together with other information processing apparatuses connected via a network, the same content and the voice and video of each user are displayed.
- the present invention relates to an information processing apparatus and method, a recording medium, and a program that are synthesized and reproduced in synchronization.
- telephones so-called videophones, video conferencing systems, and the like exist as devices used for exchange between persons (hereinafter referred to as remote communication) in remote locations.
- remote communication There is also a method of connecting to the Internet using a personal computer, etc., and performing text chat, video chat with video and audio.
- Patent Document 1 proposes to jointly generate content and share the content in a virtual common space where only authenticated users can participate.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-229282
- the present invention has been made in view of such a situation, and enables a person in a remote place to simultaneously view various contents while promoting the protection of copyright and privacy. For the purpose.
- the information processing apparatus includes first usage determining means for determining whether or not the content data can be used based on copyright restriction information added to the content data.
- the second usage determining means for determining whether or not the content data can be used based on the personal information restriction information added to the content data, and the use of the content data by the first and second determining means If it is determined that the content data can be used, the content data is reproduced in synchronization with another information processing device that is determined to be able to use the content data based on the copyright restriction information and the personal information restriction information. Synchronous reproduction means for performing the above.
- the copyright restriction information includes sharing restriction information for restricting synchronous reproduction of content data with another information processing apparatus by the synchronous reproduction means, and the other information processing apparatus by the synchronous reproduction means. It is possible to further comprise a shared authentication judging means for judging whether or not the synchronized reproduction of the content data is authenticated based on the sharing restriction information.
- Recording control means for controlling the recording of content data based on copyright restriction information and personal information restriction information may be further provided.
- Receiving means for receiving the user's voice and video from another information processing apparatus, the audio and video of the content data synchronously reproduced by the playback means, and the user's voice and video received by the receiving means It is possible to further include a synthesizing means for synthesizing.
- the information processing method of the present invention includes a first usage determination step for determining whether or not the content data can be used based on copyright restriction information added to the content data, and the content Based on the personal information restriction information added to the data, the content data is processed by the second use determination step for determining whether or not the content data can be used, and the first and second determination steps. If it is determined that the content can be used, it is determined that the content data can be used based on the copyright restriction information and the personal information restriction information. And a synchronous reproduction step of reproducing data synchronously.
- the program recorded on the recording medium of the present invention is a first usage determination for determining whether or not the content data can be used based on the copyright restriction information added to the content data. And a second usage determination step for determining whether or not the content data can be used based on the personal information restriction information added to the content data, and the first and second determination steps. If it is determined that the content data can be used by the above processing, the content data and the information processing device that is determined to be able to use the content data based on the copyright restriction information and the personal information restriction information And a synchronous reproduction step of reproducing synchronously.
- the program of the present invention includes a first usage determining step for determining whether or not the content data can be used based on copyright restriction information added to the content data.
- the content is determined by the second usage determination step for determining whether or not the content data can be used and the processing of the first and second determination steps. If it is determined that the data can be used, the content data is synchronized with the information processing device that is determined to be able to use the content data based on the copyright restriction information and the personal information restriction information. And a synchronized playback step for playback. [0017] In the present invention, it is determined whether or not the content data can be used based on the copyright restriction information added to the content data, and based on the personal information restriction information added to the content data. Then, it is determined whether or not the content data can be used. When it is determined that the content data can be used, the information processing apparatus that is determined to be able to use the content data based on the copyright restriction information and the personal information restriction information, and the content data Plays synchronously.
- a network is a mechanism in which at least two devices are connected and information can be transmitted from one device to another device.
- the devices that communicate via the network may be independent devices or may be internal blocks that constitute one device.
- communication is communication in which wireless communication and wired communication are mixed as well as wireless communication and wired communication, that is, wireless communication is performed in a certain section, and wired communication is performed in another section. It may be anything. Further, communication from a certain device to another device may be performed by wired communication, and communication from another device having power may be performed by wireless communication.
- FIG. 1 is a diagram showing a configuration example of a communication system according to the present invention.
- FIG. 2A is a diagram showing an example of an image used in the communication system of FIG.
- FIG. 2B is a diagram showing an example of an image used in the communication system of FIG.
- FIG. 2C is a diagram showing an example of an image used in the communication system of FIG.
- FIG. 3A is a diagram showing an example of a composition pattern of content and a user's video.
- FIG. 3B is a diagram showing an example of a composition pattern of content and user video.
- FIG. 3C is a diagram showing an example of a composition pattern of content and a user's video.
- FIG. 4 is a block diagram illustrating a configuration example of the communication device in FIG. 1.
- FIG. 5 is a flowchart explaining the remote communication processing of the communication device of FIG.
- FIG. 6 is a diagram illustrating a detailed configuration example of a reproduction permission unit in FIG.
- FIG. 7 is a diagram showing an example of license information stored in the license storage unit 62 of FIG.
- FIG. 8 is a diagram showing an example of privacy information stored in the user information storage unit 63 of FIG. [9] It is a diagram showing an example of copyright restriction information and privacy restriction information added to content.
- FIG. 10 is a flowchart for explaining the content use authentication process in step S3 of FIG. 5.
- ⁇ 11] A diagram for explaining an example of selecting content to be shared.
- FIG. 12 is a flowchart for explaining the copyright authentication process in step S24 of FIG.
- FIG. 13 is a flowchart for explaining privacy authentication processing in step S25 of FIG.
- FIG. 14 is a flowchart for explaining content acquisition processing in step S23 of FIG.
- FIG. 15 is a flowchart for explaining a content transmission process executed corresponding to the process of FIG.
- FIG. 17 is a diagram showing another detailed configuration example of the reproduction permission unit in FIG.
- FIG. 18 is a flowchart for explaining the shared use copyright authentication process of the reproduction permission unit in FIG.
- FIG. 19 is a block diagram illustrating a configuration example of a personal computer to which the present invention is applied. Explanation of symbols
- FIG. 1 shows a configuration example of a communication system to which the present invention is applied.
- the communication device 1-1 is connected to another communication device 1 2 or 1-3 via the communication network 2 and is like V, a TV (television) phone.
- V a TV (television) phone.
- the common content is played back in synchronization with other communication devices 1-2 or 1-3 to support remote communication between users.
- the communication device 1 when it is not necessary to individually distinguish the communication devices 1 1 to 1 3, they are simply referred to as the communication device 1.
- common content includes, for example, program content obtained by receiving a television broadcast, content such as a previously downloaded movie, private content supplied between users, games and music.
- the communication devices 1-1 to 1-3 in order to perform remote communication, the communication devices 1-1 to 1-3 must be registered in the same communication group (hereinafter also simply referred to as a group). .
- the privacy level is set for the communication device 1 registered in the group according to the familiarity.
- the management of these groups and privacy levels may be managed by an authentication sano, etc., but the registration to the group and the setting of the privacy level are performed by the communication device 1 of the group administrator (in the case of FIG. Authentication of device 1 3) is required.
- the communication device 1 can be used simultaneously by a plurality of users.
- the communication device 1-1 is used by users A and B, and the communication device 1-2 is used by user X.
- Device 1-3 is assumed to be used by user C.
- the video of the common content is as shown in FIG. 2A
- the video of user A taken by the communication device 1-1 is as shown in FIG. 2B
- the communication device 1 Assume that the video of user X taken by -2 is as shown in Figure 2B.
- the display 41 (Fig. 4) of the communication device 1-1 includes, for example, a picture in picture shown in Fig. 3A, a cross fade shown in Fig. 3B, or a wipe shown in Fig. 3C.
- the content and the user's video are superimposed and displayed.
- the user's image is superimposed on the content image as a sub-screen.
- the display position and size of the sub-screen can be changed arbitrarily. It is also possible to display only one child screen, not both the user (user A) and the communication partner (user X).
- the content video and the video of the user are combined and displayed.
- This crossfade can be used, for example, when the user points to a certain position on a map displayed as content video.
- the user's video appears from a predetermined direction so as to cover the content video.
- the user's video appears from the right side of the content video.
- These synthesis patterns can be changed at any time.
- the video balance for setting the transparency of each video in the composite pattern shown in FIGS. 3A to 3C, and the volume balance for setting the volume of the content and the sound of the user are also included in the composite parameters. It can be changed as needed.
- the change history of these synthesis patterns and synthesis parameters is recorded as synthesis information in the synthesis information storage unit 64 (FIG. 4).
- the display of the content and the user's video is not limited to the above-described composite pattern, and other composite patterns may be applied.
- the communication network 2 is a broadband data communication network represented by the Internet.
- the content supply server 3 supplies the content to the communication device 1 via the communication network 2 in response to a request from the communication device 1.
- the authentication server 4 performs processing such as billing and license information issuance when the user of the communication device 1 uses the content.
- the broadcast device 5 transmits content as a program such as a television broadcast. Therefore, each communication device 1 can receive and reproduce the content broadcast from the broadcast device 5 in synchronization. Note that the content transmission from the broadcasting device 5 to the communication device 1 may be wireless or wired.
- the communication network 2 may also be used.
- the standard time information supply device 6 accurately synchronizes the clock (standard time counter 30 (Fig. 4)) built in the communication device 1 with the standard time (world standard time, Japan standard time, etc.). Is supplied to each communication device 1.
- the supply of the standard time information from the standard time information supply device 6 to the communication device 1 may be wireless or wired. In addition, it does not work through the communication network 2.
- the output unit 21 includes a display 41 and a speaker 42, displays video corresponding to the video signal and audio signal input from the video / audio synthesis unit 26, and outputs audio. Output.
- the input units 22-1 and 22-2 are provided with cameras 51-1 and 51-2 that capture user images (moving images or still images), microphones that collect user sounds (hereinafter referred to as microphones). 52-1 and 52-2, and sensors 53-1 and 53-2 that detect the brightness, temperature, etc. of the user's surroundings, and include the acquired video, audio, brightness, temperature, etc.
- the real-time (RT) data is output to the communication unit 23, the storage unit 27, and the data analysis unit 28. Further, the input units 22-1 and 22-2 output the acquired video and audio of the user to the video / audio synthesis unit 26.
- input units 22-1 and 22-2, cameras 51-1 and 51-2, microphones 52-1 and 52-2, and sensors 53-1 and 53-2 are individually distinguished. When they are not necessary, they are simply referred to as input unit 22, camera 51, microphone 52, and sensor 53, respectively.
- a plurality of input units 22 may be provided (two in the case of FIG. 4), and each may be directed to a plurality of users (users A and B in FIG. 1).
- the communication unit 23 transmits the real-time data of the user input from the input unit 22 to the communication device 1-2 of the communication partner via the communication network 2, and the communication device 12 2 transmits the user Real-time data is received and output to the video / audio synthesis unit 26 and the storage unit 27.
- the communication unit 23 receives content (hereinafter also referred to as content data as appropriate) supplied from the communication device 1-2 of the communication partner or the content supply server 3 via the communication network 2, and reproduces the content. 25 and storage unit 27.
- the communication unit 23 transmits the content stored in the storage unit 27, operation information, control information, and the like from the operation information output unit 87 to the communication device 1-2 via the communication network 2.
- the broadcast receiving unit 24 receives a television broadcast signal broadcast from the broadcast device 5, and outputs the content of the obtained broadcast program to the content reproduction unit 25.
- the content reproduction unit 25 is a broadcast program content received by the broadcast reception unit 24, a content received by the communication unit 23, a content read from the storage unit 27, or an optical disc 92 mounted on the drive 91, etc. The content read out is reproduced, and the video and audio of the obtained content are output to the video / audio synthesis unit 26 and the data analysis unit 28.
- the video / audio synthesizer 26 is a video and audio of content input from the content playback unit 25, a video and audio of a user input from the input unit 22, and a communication partner (user) input from the communication unit 23 X) video and audio, alerts to users, etc.
- the character string or the like is mixed (mixed and adjusted, that is, hereinafter also referred to as synthesis as appropriate), and the resulting video signal and audio signal are output to the output unit 21.
- the storage unit 27 includes a content storage unit 61, a license storage unit 62, a user information storage unit 63, and a composite information storage unit 64.
- the content storage unit 61 receives the real-time data of the user (user A etc.) supplied from the input unit 22, the real-time data of the communication partner (user X) supplied from the communication unit 23, and received by the broadcast receiving unit 24.
- the broadcast program content and the content supplied from the communication unit 23 are stored.
- the content includes copyright restriction information related to copyright and privacy restriction information related to privacy. Details of the copyright restriction information and privacy restriction information added to the content will be described later.
- the license storage unit 62 stores license information and the like of the content stored in the content storage unit 61, which the communication device 11 has.
- the user information storage unit 63 stores privacy information such as a privacy level indicating a group to which the communication device 11 belongs and a closeness within the group, and device information such as a region where the communication device 11 is installed.
- the synthesis information storage unit 64 stores the synthesis pattern and the synthesis parameters whose settings have been changed by the synthesis control unit 84 as synthesis information.
- the data analysis unit 28 includes a user characteristic analysis unit 71 and a control information generation unit 72, and is a communication in which real-time data of the user (user A etc.) supplied from the input unit 22 and communication unit 23 are also supplied. Real-time data of the other party (user X) and content data from the content playback unit 25 are input.
- the user characteristic analysis unit 71 obtains the real-time data of the user (such as user A) supplied from the input unit 22 and the real-time data of the communication partner (user X) supplied from the communication unit 23. Information is analyzed and the analysis result is output to the control information generator 72.
- the control information generator 72 combines the video and audio of the content from the content playback unit 25 and the video and audio of the real-time data of the communication partner supplied by the communication unit 23 with the synthesis parameters and synthesis pattern according to the analysis result.
- control information for controlling the video / audio synthesis unit 26 is generated, and the generated control information is output to the control unit 32.
- the communication partner Control information for each unit constituting the Yon device 12 is also generated and supplied to the operation information output unit 87.
- the communication environment detection unit 29 monitors the communication environment (communication rate, communication delay time, etc.) between the communication unit 23 and the communication device 1-2 via the communication network 2 and outputs the result to the control unit 32.
- the standard time counter 30 measures the standard time supplied to the controller 32.
- the standard time counting unit 30 corrects the standard time recorded by itself based on the standard time information supplied from the standard time information supply device 6.
- the operation input unit 31 includes a remote controller or the like, and receives a user operation and inputs a corresponding operation signal to the control unit 32.
- the control unit 32 is based on operation signals corresponding to user operations input from the operation input unit 31, control information input from the data analysis unit 28, and the like. To control.
- the control unit 32 includes a session management unit 81, a viewing / recording level setting unit 82, a playback synchronization unit 83, a composition control unit 84, a playback permission unit 85, a recording permission unit 86, an operation information output unit 87, and an electronic device control. Includes part 88.
- FIG. 4 illustration of control lines from the control unit 32 to each unit constituting the communication device 1-1 is omitted.
- the session management unit 81 controls processing in which the communication unit 23 connects to the communication devices 1-2 and 1 3, the content supply server 3, the authentication server 4, and the like via the communication network 2.
- the session management unit 81 transmits / receives the device information of the communication device 1 of each other (for example, the installed region, group information to which it belongs, etc.)
- the session management unit 81 of the communication device that manages the communication device performs authentication for the registration to the communication group and the request for changing the privacy level from another communication device 1.
- the viewing record level setting unit 82 uses the real-time data of the user acquired in the input unit 22 and the user's personal content stored in the content storage unit 61 as the communication partner.
- the communication device 1-2 belongs and the privacy level, set the force and power that can be played back, whether or not it can be recorded, and if it can be recorded, the number of times that it can be recorded.
- restriction information it is added to the user's real-time data and communicated from the communication unit 23. Notify device 1-2. Note that privacy restriction information for the communication device 1-2 alone may be settable.
- the playback synchronization unit 83 controls the content playback unit 25 so that the same content is played back in synchronization with the communication device 12 of the communication partner.
- the synthesis control unit 84 controls the data analysis unit 28 so as to analyze the user status information obtained from the user's real-time data power according to the user's operation.
- the synthesis control unit 84 also controls the video / audio synthesis unit 26 so that the video and audio of the content and the video and audio of the user are synthesized according to the user's operation or the control information from the data analysis unit 28. Control. That is, the synthesis control unit 84 changes the synthesis pattern and synthesis parameter settings as shown in FIGS. 3A to 3C based on the control information from the data analysis unit 28, and changes the synthesis pattern and synthesis parameter.
- the audio / video synthesizer 26 is controlled based on the above. Then, the synthesis control unit 84 causes the synthesis information storage unit 64 to record the synthesis pattern and the synthesis parameter whose settings have been changed as synthesis information.
- the reproduction permission unit 85 determines whether or not the content can be used based on the content license information stored in the license storage unit 62 and the copyright restriction information added to the content, and stores the user information. Based on the privacy information stored in the unit 63 and the privacy restriction information added to the content (the content is generated, for example, set by the viewing / recording level setting unit 82 of the communication device 13) Then, it is determined whether or not the content can be used, and the content reproduction unit 25 is controlled based on the determination result.
- the playback permission unit 85 connects to the content supply server 3, the authentication server 4 and the like via the session management unit 81 as necessary to acquire license information and content, and to restrict copyrights. Update the information, connect to the communication device 1-3, update the privacy limit information and privacy information, or control the video / audio synthesizer 26 to use the content (for example, (Display limit, number of times that recording is possible, or limit number of recordings) is displayed on the display 41.
- the recording permission unit 86 determines whether or not the content can be recorded based on the copyright restriction information and privacy restriction information added to the content, and the content based on the determination result.
- the storage unit 61 is controlled.
- the operation information output unit 87 corresponds to the operation by the user (channel switching operation at the time of television broadcast reception, content selection, content playback start, playback end, fast forward playback operation, etc.). And the operation information including the operation time is generated, and the communication unit 23 notifies the communication device 1-2 of the communication partner. The operation information output unit 87 also notifies the control information from the data analysis unit 28 from the communication unit 23 to the communication device 1-2 of the communication partner.
- the electronic device control unit 88 sets the output and input of the output unit 21 and the input unit 22 and the surroundings of the communication device 11 based on the operation by the user or the control information input from the data analysis unit 28.
- a predetermined electronic device for example, lighting device, air-conditioning device, etc., not shown is controlled.
- the drive 91 reads the content recorded on the optical disc 92 loaded or records the content on the optical disc 92.
- the optical disc 92 is, for example, a write-once optical disc such as a DVD (Digital Versatile Disk) RW (Re-writable) or Blu-ray disc, or a playback-only optical disc such as a CD (Compact Disc) or DVD with copy control. Composed.
- step S1 based on the control from session management unit 81, communication unit 23 connects to communication device 1-2 via communication network 2, notifies the start of remote communication, and proceeds to step S2. . In response to this notification, communication device 1-2 Reply to accept start of remote communication.
- the session management unit 81 transmits the device information of the communication device 1-1 (for example, the area where the communication device 1-1 is installed, the group information to which it belongs, etc.) to the communication device 1-2.
- the device information from the communication device 1-2 is received and stored until the remote communication is completed.
- step S2 the communication unit 23 transmits real-time data such as the user A input from the input unit 22 to the communication device 1-2 via the communication network 2 based on the control from the control unit 32.
- reception of real-time data of user X transmitted from the communication device 1-2 is started, and the process proceeds to step S3.
- the real-time data of user A and the like input from the input unit 22 and the received real-time data of user X are input to the data analysis unit 28, and the video and audio in the real-time data are video / audio synthesized. Input to part 26.
- step S3 the reproduction permission unit 85 performs an authentication process for using the content designated by the user (hereinafter referred to as a content use authentication process). Details of this content usage authentication process will be described later.
- step S3 content playback is permitted based on the copyright restriction information and privacy restriction information attached to the content. Completion of regeneration preparation is mutually notified, and the process proceeds to step S4.
- step S3 In the case of (for example, content being broadcast on television), the process of step S3 is not necessary. However, even the content described above is stored in the content storage unit 61 and reproduced, the process of step S3 is executed.
- step S4 the content playback unit 25 starts content playback processing (hereinafter referred to as content synchronization playback processing) synchronized with the communication device 12 based on the control of the playback synchronization unit 83. Then go to step S5.
- content synchronized playback processing the same content is transmitted to the communication devices 1-1 and 1-2 based on the standard time information supplied from the standard time clock unit 30 (standard time information supply device 6). Synchronized playback and playback of the content data is performed by the audio / video synthesis unit 26 and data analysis. Input to part 28.
- step S5 the storage unit 27 starts remote communication recording processing, and proceeds to step S6.
- the video / audio synthesizer 26 includes content data that has been played back, video and audio included in the input real-time data such as user A, and video and audio included in the received real-time data of user X.
- the audio is synthesized under the control of the synthesis control unit 84, and the video signal and audio signal obtained as a result of the synthesis are supplied to the output unit 21.
- the synthesis control unit 84 controls the synthesis process of the video / audio synthesis unit 26 based on the synthesis pattern and synthesis parameters set in advance based on user operations.
- the output unit 21 displays video corresponding to the supplied video signal, and outputs audio corresponding to the audio signal. At this stage, video and audio communication between users and synchronized playback of content have started.
- step S 6 the data analysis unit 28 and the video / audio synthesis unit 26 execute user characteristic analysis mixing processing in accordance with control by the synthesis control unit 84.
- the data analysis unit 28 analyzes user status information (posture information, number information, voice information, environmental information, etc.) obtained from the user's real-time data, and Based on the analysis result, control information for controlling the video / audio synthesis unit 26 and the like is generated. Therefore, the synthesis control unit 84 changes the synthesis pattern and the synthesis parameter based on the control information generated based on the synthesis pattern and the synthesis parameter set in advance based on the user's operation.
- combination part 26 is performed.
- step S7 the control unit 32 determines whether or not the user force is also an operation instructing the end of remote communication, and until it is determined that an operation instructing the end of remote communication has been performed. stand by.
- step S7 the user If it is determined that an operation for instructing the end of the second case has been performed, the process proceeds to step S8.
- step S 8 the communication unit 23 connects to the communication device 1-2 via the communication network 2 based on the control from the session management unit 81 and notifies the end of remote communication. In response to this notification, the communication device 1-2 returns an acceptance of the end of the remote communication.
- step S9 the storage unit 27 ends the communication recording process, and the remote communication process ends.
- the recorded content and video and audio included in the real-time data such as user A recorded so far, the video and audio included in the received real-time data of user X, and the synthesis information will be recorded in the future. It is used when this remote communication is reproduced.
- step S3 of the remote communication process described above will be described in detail.
- FIG. 6 shows a detailed configuration example of the reproduction permission unit 85 that performs the content use authentication process.
- the playback permission unit 85 includes a playback authentication control unit 111, a copyright authentication unit 112, a copyright information update unit 113, a billing processing unit 114, a privacy authentication unit 115, a privacy information update unit 116,
- the permission request processing unit 117, the notification information generation unit 118, and the content acquisition unit 119 are included.
- the reproduction authentication control unit 111 receives a content selection operation signal via the operation input unit 31, the reproduction authentication control unit 111 acquires the selected content and controls the copyright authentication unit 112 and the privacy authentication unit 115.
- the user authentication process for the content to be played back is executed. That is, if the selected content is content that has already been acquired and stored in the storage unit 27, or content that is recorded on the optical disc 92, the storage unit 27 and the drive 91 are controlled, When the content is read out and supplied to the content playback unit 25 and the selected content is the content of the content supply server 3, the content acquisition unit 1 19 is controlled and content acquisition processing is executed.
- the playback authentication control unit 111 controls the session management unit 81 in accordance with the authentication results from the copyright authentication unit 112 and the privacy authentication unit 115, and notifies the communication device of the completion notification of the content playback preparation. 1-2 communicates with each other to allow the content playback unit 25 to play the content, and to notify the content usage restriction from the copyright authentication unit 112 and the privacy authentication unit 115. Let 118 generate.
- the copyright authenticating unit 112 adds the copyright restriction information added to the content supplied to the content reproducing unit 25 and the license stored in the license storage unit 62, and the license included in the communication device 11 Based on the information, it is determined whether or not the content can be used, and depending on the determination result, the charging processing unit 114 and the copyright information updating unit 113 are controlled to perform charging processing with the authentication server 4, The use restriction of the content is supplied to the notification information generating unit 118 via the reproduction authentication control unit 111.
- the copyright information update unit 113 acquires new copyright restriction information from the authentication server 4 via the communication unit 23 as a result of the accounting process by the accounting processor 114, and the copyright information added to the content. Update rights restriction information. Note that the copyright information update unit 113 also updates the license information in the license storage unit 62 when new license information is acquired as a result of the charging process by the charging processing unit 114.
- the charging processing unit 114 controls the session management unit 81 to connect to the authentication server, and performs a charging process for updating the copyright restriction information of the content or acquiring the license information.
- the privacy authentication unit 115 can use the content based on the privacy restriction information added to the content supplied to the content reproduction unit 25 and the privacy information stored in the user information storage unit 64.
- the permission request processing unit 117 and the privacy information update unit 116 are controlled according to the determination result, and the communication processing with the communication device 13 of the user C who has the privacy management right for the content to be reproduced is performed.
- the content usage restriction is supplied to the notification information generation unit 118 via the reproduction authentication control unit 111.
- the privacy information update unit 116 performs communication as a result of the request processing by the permission request processing unit 117. Through the unit 23, new privacy restriction information is acquired from the communication device 1-3, and the privacy restriction information added to the content is updated. The privacy information update unit 116 also updates the privacy information in the user information storage unit 63 when new privacy information is acquired as a result of the request processing by the permission request processing unit 117.
- the permission request processing unit 117 controls the session management unit 81 to connect to the communication device 1-3, and performs a request process for updating the privacy restriction information of the content or acquiring the privacy information.
- the notification information generating unit 118 generates a video for notifying the usage restriction supplied from the copyright authenticating unit 112 or the privacy authenticating unit 115 and supplies the generated video to the video / audio synthesizing unit 26. .
- the content acquisition unit 119 controls the session management unit 81 to connect to the content supply server 3, and uses the license information in the license storage unit 62 and the privacy information in the user information storage unit 63 to perform content acquisition processing Execute. If there is no license information corresponding to the content to be acquired, the copyright authentication unit 112 is controlled to acquire license information for the content to be acquired.
- FIG. 7 shows an example of license information stored in the license storage unit 62.
- the license information such as BS (Broadcasting Satellite) / CS (Communication Satellite) broadcasting, DVD content, CD content, game software, and photo book of the communication device 1-1 is shown. Has been.
- the communication device 1-1 has license information that permits viewing on BS broadcasts 1 to lch (channel), and permits viewing on CS broadcasts 100 to 210ch (channel). You have license information.
- the license information of DVD content is license information that permits playback of the title name of DVD1, and recording of content of DVD2 and the title name is permitted. License information.
- the DVD content represents video (moving image) content, and includes content downloaded from the content supply server 3 that is not only recorded on the optical disc 92 composed of DVD.
- the communication device 1-1 has license information that permits playback of content with the title name CD1, license information that allows playback of content with the title name of CD2 and ⁇ ⁇ , and title information of CD3. It has license information that allows recording of content.
- the CD content represents music content, and includes content downloaded from the content supply server 3 that is not only recorded on the optical disc 92 composed of a CD.
- the communication device 1-1 has license information for permitting reproduction (play) of the game software content titles Game 1, Game 2, and Game 3.
- the communication device 1-1 has license information that permits reproduction of the contents of the photo albums (still image collections) whose title names are album 1, album 2, and album 3. Note that game software and photo book contents may be recorded on the optical disc 92 and distributed, or may be downloaded from the content supply server 3 and distributed.
- the content that is the target of the license information can be used according to the copyright restriction information added to the content in the communication device 1-1.
- FIG. 8 shows an example of privacy information stored in the user information storage unit 63.
- Privacy information is a group attribute that is information on a communication group that communicates with a remote location to which the communication device 1-1 belongs, and is set according to the intimacy of each group at the privacy level. It is composed.
- the privacy level indicates that the lower the number, the higher the intimacy.
- the communication device 1-1 belongs to a communication group called group 1, and in group 1, privacy level 2 is set.
- the communication device 1-1 belongs to a communication group called group 2, and in group 2, privacy level 3 is set.
- the communication device 1-1 belongs to a communication group called group 3, and in group 3, privacy level 6 is set. Therefore, by comparing the privacy information with the privacy restriction information added to the content, the communication apparatus 11 can use the content.
- the privacy information can be changed if there is authentication of the communication device 1 (for example, the communication device 13) of the group manager.
- Fig. 9 shows an example of copyright restriction information and privacy restriction information added to content.
- the copyright restriction information is composed of a reproducible period, a reproducible area, a reproducible number of times, recordable information, and a limited number of times of recording.
- the configuration of the copyright restriction information is an example, and differs depending on the content to be added.
- the playback period is "after January 2004”
- the authentication destination is "00 TV station”
- the copyright restriction information is an example of copyright restriction information added to the content of the television broadcast.
- the content to which such copyright restriction information is added is, for example, content that is only aired in Tokyo on the end of December 2003, and the user of the communication device 1-1 is supposed to Even if the content is acquired from the content supply server 3 before the reproducible period (after January 2004), it cannot be played back. Even if communication device 1-2 is received, stored, and transmitted to communication device 1 1 at the end of December 2004 in Tokyo, communication device 1 1 is installed in a location other than Tokyo. If it is, it cannot be played back even after January 2004.
- this content is broadcasted.
- the playback is synchronized with the communication device 1-2 installed in another area, it is played on the communication device 1 2 side according to the copyright restriction information. Authentication is required for the copyright restriction information.
- the number of playable times is “3 times Z total 10 times”
- the authentication destination is “ ⁇ production” copyright restriction information
- the recordable is “ ⁇ ”
- the authentication destination is “
- copyright restriction information that is “ ⁇ production” and copyright restriction information that has a recording limit of “up to two generations” and whose authentication destination is “ ⁇ production” are recorded on the optical disc 92, for example. This is an example of copyright restriction information added to existing DVD content.
- the content to which the copyright restriction information is added has a power restriction that can be reproduced (used) in the communication device 11 having the license information.
- the communication device 1-1 has already played 3 times out of 10 times, so it can only be played 7 times later.
- recording (duplication) of this content is allowed only for up to two generations. Therefore, it is possible to copy (record) the content (first generation) and obtain the content (second generation), but further copy the content (second generation) itself to create the content (third generation). Can't get.
- the privacy restriction information in the example of FIG. 9 is configured by group attribute restriction and level restriction.
- the authentication destination of the privacy restriction information whose group attribute restriction is "Group 1 (playable), group 3 (recordable)" and the privacy restriction information whose level restriction is “Level 1 or higher” is "User C”. Is. In other words, this privacy restriction information is added to and managed by the viewing / recording level setting unit 82 of the communication device 1-3 of the user C, for example, to the personal content generated by the user C.
- group 1 is a "family”
- the family will also be intimate.
- levels according to the degree, and “parents” who have the highest intimacy at level 1 are set at level 2 as having low intimacy.
- the group attribute restriction is set to Group 1 “Family” and the level restriction is set to “Level 1 or higher” in the privacy restriction information of a certain content, the content can be played back at Level 1 Level 2 “sister” is excluded.
- the communication device 13 of user C is requested to set the privacy information level of the communication device 11 itself higher, thereby enabling the content reproduction. You can do it!
- the above-described personal content generated by user C includes real-time data of user X communicated in step S2. That is, since the real-time data is also stored in the content storage unit 61 and may be read again by the user A or distributed to another user C, it is possible to add privacy restriction information. .
- the content supply server 3 supplies content
- the content supply server 3 supplies the content supply server 3 by requesting privacy information from the user who supplies the content. Privacy restriction information can also be added to the content.
- User A uses the operation input unit 31 to perform an operation for instructing selection of content to be synchronized with the communication device 1-2.
- the operation input unit 31 is a user
- An operation signal corresponding to the operation of A is supplied to the reproduction authentication control unit 111.
- the content use authentication process (that is, the process for authenticating the reproduction of the content) is also executed in the communication device 1-2.
- the reproduction authentication control unit 111 stands by in step S21 until the target content is selected, and determines that the target content is selected in response to the operation signal from the operation input unit 31. If so, the process proceeds to step S22 to determine whether or not the selected content has been acquired.
- step S22 if the selected content is content of the content supply server 3, it is determined in step S22 that the selected content has not yet been acquired, and the reproduction authentication control unit 111 performs step In step S23, the content acquisition unit 119 is controlled to execute content acquisition processing.
- the content supply server 3 is permitted to acquire the content by the communication device 1-1 by the process of step S23 described later with reference to FIG. Is received, the received content is supplied to the content reproduction unit 25, and the process proceeds to step S24.
- copyright restriction information and privacy restriction information are added to the received content. Accordingly, in the subsequent processing, the received content is subjected to authentication processing in the same manner as other content.
- the selection is made in step S22.
- the playback authentication control unit 111 controls the content storage unit 61 or the drive 91 to read out the stored content and supply it to the content playback unit 25, and the step S23 Love Go to step S24.
- step S24 the playback authentication control unit 111 controls the copyright authentication unit 112 to execute the copyright authentication processing of the content supplied to the content playback unit 25.
- This copyright authentication process will be described later with reference to FIG. 12, but the use of the content for the copyright is authenticated by the process of step S24, and the process proceeds to step S25.
- step S25 the reproduction authentication control unit 111 controls the privacy authentication unit 115 to execute the privacy authentication process of the content supplied to the content reproduction unit 25.
- the use of content for privacy is authenticated by the process of force step S25 described later with reference to FIG. 13, and the process proceeds to step S26.
- step S26 the playback authentication control unit 111 determines whether or not the content playback preparation is complete according to the authentication result of the use of the content by the copyright authentication unit 112 or the privacy authentication unit 115. 2 to notify each other.
- step S1 in FIG. 5 X starts remote communication.
- step S2 X communicates each other's real-time data and then selects the target content. Therefore, the content selected at this time may be considered to have already been played by the user as shown in FIG. available.
- step S3 in FIG. 5 the content use authentication process is executed only by the communication device 1-2 of user X.
- step S3 in FIG. 5 the content use authentication process is executed only by the communication device 1-1 of user A.
- step S 51 the copyright authentication unit 112 is added to the content supplied to the content playback unit 25 and stored in the copyright storage unit 62 and the license storage unit 62. If it is determined whether the content can be used for the copyright based on the license information of 1 and if it is determined that the content can be used for the copyright, step S52 And the process of S53 is skipped, the process proceeds to step S54, the use of the content for the copyright is authenticated, and the process proceeds to step S55.
- step S51 the content cannot be used for copyright. If it is determined, the copyright authentication unit 112 proceeds to step S52, controls the charging processing unit 114, and causes the authentication server 4 to execute a charging process for enabling the use of the content. Proceed to S 53.
- billing processing unit 114 controls session management unit 81 to connect to the authentication server and update content copyright restriction information or license information so that the content can be used. And charge processing.
- the authentication server 4 transmits new copyright restriction information or license information corresponding to the billing process to the communication device 1-1.
- the communication unit 23 of the communication device 1-1 When the communication unit 23 of the communication device 1-1 receives the copyright restriction information or the license information from the authentication server 4, it supplies the copyright authentication unit 112 with the copyright restriction information or license information. Upon obtaining the copyright restriction information or license information in step S53, the copyright authentication unit 112 controls the copyright information update unit 113 to store the copyright restriction information added to the content or the license memory. The license information of section 62 is updated, and the process proceeds to step S54, where the use of the content for the copyright is authenticated, and the process proceeds to step S55.
- step S55 the copyright authentication unit 112 determines whether or not there is a usage restriction based on the copyright restriction information. For example, the reproduction is possible but the recording is not possible. If it is possible, but if it is determined that there are usage restrictions such as the number of playbacks being restricted, the process proceeds to step S56, and the content usage restrictions are sent to the notification information generation unit 118 via the playback authentication control unit 111. To generate a video to notify users of content usage restrictions.
- the notification information generation unit 118 when the notification information generation unit 118 generates a video for notifying the user of content usage restrictions in step S56, the notification information generation unit 118 sends the generated video to the output unit 21 via the video / audio synthesis unit 26. It is displayed on the configured display 41 and the user is notified of content usage restrictions. This allows the user to play this content, for example However, it is possible to recognize in advance the usage restrictions such as not being able to record.
- step S55 After the content usage restriction is displayed on the display 41 or when it is determined in step S55 that there is no usage restriction, the copyright authentication unit 112 ends the copyright authentication processing, Return to Step S24 of 10 and proceed to Step S25. Then, in step S25, privacy authentication processing by the privacy authentication unit 115 is executed.
- step S 25 in FIG. 10 the privacy authentication process in step S 25 in FIG. 10 will be described.
- step S71 the privacy authentication unit 115 is added to the content supplied to the content reproduction unit 25, and is stored in the user storage unit 63 and the privacy restriction information and the privacy of the communication device 1-1. Based on the information, it is determined whether the content can be used for privacy (personal information), and if it is determined that the content can be used for privacy, step S72 And the process of S73 is skipped, the process proceeds to step S74, the use of the content for privacy is authenticated, and the process proceeds to step S75.
- personal information personal information
- step S71 if it is determined in step S71 that the content cannot be used for privacy, the privacy authentication unit 115 proceeds to step S72, controls the permission request processing unit 117, and is added to the content.
- the communication device 1-3 of user C who is the administrator of the privacy restriction information being requested is requested to permit the use of the content, and the process proceeds to step S73.
- permission request processing section 117 controls session management section 81 to connect to communication device 13 and request permission to use the contents so that the contents can be used.
- the privacy restriction information added to the content may be requested to be changed, or the privacy information of the communication device 11 can be changed so that the communication device 1-1 can belong to a new group or level. You may request a change.
- user C of communication device 1-3 operates operation input unit 31 to authenticate the use of the content of communication device 1-1.
- the viewing record level setting unit 82 sets a new privacy information restriction information.
- the session management unit 81 changes to new privacy information. Then, the changed privacy information restriction information or privacy information is transmitted to the communication device 11 via the communication unit 23.
- the communication unit 23 of the communication device 1-1 supplies the privacy information restriction information or privacy information to the privacy authentication unit 115.
- the privacy authentication unit 115 controls the copyright information update unit 113 to control the copyright restriction information added to the content or the user storage unit 63.
- the privacy information is updated, the process proceeds to step S74, the use of the content for privacy is authenticated, and the process proceeds to step S75.
- step S75 the privacy authentication unit 115 further determines whether or not there is a usage restriction based on the privacy information restriction information or the privacy information. For example, although playback is possible, If there is a usage restriction such as the number of times the playback is limited, etc., the process proceeds to step S76, and the content usage restriction is sent to the notification information generation unit 118 via the playback authentication control unit 111. To generate video for notifying users of content usage restrictions.
- the notification information generation unit 118 when the notification information generation unit 118 generates a video for notifying the user of content usage restrictions in step S76, the notification information generation unit 118 sends the generated video to the output unit 21 via the video / audio synthesis unit 26. It is displayed on the configured display 41 and the user is notified of content usage restrictions. Thus, the user can recognize in advance the usage restrictions such that, for example, the content can be reproduced but cannot be recorded.
- Step S75 After the content usage restriction is displayed on the display 41 or when it is determined in step S75 that there is no usage restriction, the privacy authentication unit 115 ends the copyright authentication process, and FIG. Step S25 returns to Step S26, where the playback authentication control unit 1 11 From this point, the communication device 1 2 and the notification process of the completion of content playback preparation are executed.
- step S23 in FIG. 10 will be described with reference to the flowchart in FIG.
- the content transmission processing of the content supply server 3 corresponding to this content acquisition processing will be described with reference to the flowchart of FIG.
- step S91 of FIG. 14 the content acquisition unit 119 controls the session management unit 81 to cause the content supply server 3 to request the content selected by the user via the communication unit 23.
- the content supply server 3 waits until the content is requested in step S111 of Fig. 15.
- the process proceeds to step S112, where the requested content is requested.
- the license information for the content is requested to the communication device 1-1, and the process proceeds to step S113.
- the content acquisition unit 119 controls the copyright authentication unit 112 in step S92, and the license information for the selected content is stored in the license storage unit. Determine whether or not it is 62. If the copyright certification unit 112 determines in step S92 that there is license information for the selected content, the copyright certification unit 112 supplies the license information to the content acquisition unit 119, skips the processing of steps S93 and S94, Proceed to S95.
- step S92 If it is determined in step S92 that there is no license information for the selected content, the copyright authentication unit 112 proceeds to step S93 and controls the accounting processing unit 114 to send the content to the authentication server 4. Charge processing is performed to enable the use of, and the process proceeds to step S94. That is, the billing processing unit 114 controls the session management unit 81 to connect to the authentication server, request license information, and perform billing processing.
- the authentication server 4 transmits license information corresponding to the charging process to the communication device 1-1.
- the communication unit 23 of the communication device 11 supplies the license information to the copyright authentication unit 112.
- the copyright authentication unit 112 acquires the license information, and the copyright information update unit 113 and the content acquisition unit 119. And go to step S95.
- the copyright update unit 113 stores the supplied license information in the license storage unit 62.
- step S95 the content acquisition unit 119 controls the session management unit 81 to transmit the license information supplied from the copyright authentication unit 112 to the content supply server 3.
- the content supply server 3 determines whether or not the license information has been received in step S113. If the content supply server 3 determines that the license information has been received from the communication device 1-1, the process proceeds to step S114. Request privacy information from 1-1. If it is determined in step S113 that the license information is not received, the content supply server 3 ends the content transmission process.
- the communication unit 23 of the communication device 1-1 supplies the received privacy information request to the content acquisition unit 119.
- the content acquisition unit 119 reads the privacy information from the user information storage unit 63, controls the session control unit 81, and transmits the privacy information to the content supply server 3 in step S96.
- step S115 the content supply server 3 adds, to the content to which copyright restriction information has been added in advance by, for example, 00 TV station or ⁇ ⁇ production. Further, based on the privacy information of the communication device 1-1, privacy restriction information is added and transmitted to the communication device 1-1. Then, the content supply server 3 ends the content transmission process when transmission of all the content is completed.
- step S97 the communication unit 23 of the communication device 1-1 starts to receive the content transmitted from the communication device 1-1, and supplies the received content to the content reproduction unit 25.
- the content acquisition process ends, the process returns to step S23 in FIG. 10, and proceeds to step S24.
- the present invention proposes that specific users perform active communication by performing synchronized playback using a common content through a network.
- a network As described above, it is expected that the demand for the content to be synchronously reproduced will increase.
- a specific content viewing by a specific group of users can be performed in a space where synchronized playback is performed using a common content among specific users via a network. If it is regarded as a space, it is assumed that the specific user group gathers in a certain actual content viewing space for viewing (in this case, only one content usage fee is charged). You will be charged a fee. As a result, the user's willingness to purchase is reduced and the demand for content expands. Eventually, content distribution may be hindered.
- sharing in the present invention means synchronized playback of content rather than simple content sharing).
- the copyright license is based on the premise of shared use that is not used by individual users alone, that is, license information that restricts the use of content to shared use only (hereinafter referred to as shared use license information). Generate and sell. In this case, shared use restriction information as shown in FIG. 16 is added to the copyright restriction information of the target content.
- FIG. 16 shows a configuration example of the shared use restriction information added to the content.
- This shared use restriction information is added to content that is protected by copyright and is restricted to shared use provided by, for example, a knocking medium such as the optical disc 92 or the content providing server 3. This is added to the copyright restriction information described above with reference to FIG.
- the shared use restriction information includes shared terminal number restriction information, a share restriction user, a share restriction area, a share restriction period, and the like.
- the shared terminal number restriction information is information for restricting the number of users (number of communication devices) that synchronously reproduce content.
- the sharing-restricted user is information that restricts users who are subject to synchronous playback of content. For example, information for identifying individual users, groups to which the users belong, privacy levels, and the like are set.
- the shared restricted area is information that restricts the area where the communication device 1 for synchronously playing back content is installed. For example, in the case of broadcast content, synchronized playback with countries other than Japan where the content is not broadcast can be restricted.
- the sharing restriction period is information that restricts a period during which content can be played back synchronously.
- FIG. 17 shows a detailed configuration example of the reproduction permission unit 85 in FIG. 4 corresponding to the shared use restriction information in FIG.
- the playback permission unit 85 in FIG. 17 is the same as the playback permission unit 85 in FIG. 6 described above except that a shared use authentication unit 151 and a shared restriction information update unit 152 are added. It is the composition.
- the playback authentication control unit 111 is a copy of the copyright authentication unit 112 and the privacy authentication unit 115.
- the clock is clocked with the built-in clock, and the shared use authentication unit 151 is controlled at a predetermined interval to execute the shared use copyright authentication process.
- the shared use authentication unit 151 receives, from the session management unit 81, device information about a communication device that is currently participating in remote communication (ie, synchronized playback of content! /). Number, the area of each communication device, group information, etc.), and based on the acquired device information, determine whether or not the shared usage restriction information added to the content being synchronized is satisfied. Depending on the determination result, the accounting processing unit 114 and the sharing restriction information updating unit 152 are controlled to perform the accounting process with the authentication sano to update the shared usage restriction information, or via the playback authentication control unit 111.
- the notification information generation unit 118 is supplied with a notification indicating that the shared use (that is, synchronous reproduction) cannot be authenticated.
- the sharing restriction information update unit 152 acquires new usage restriction information from the authentication server 4 through the communication unit 23 as a result of the charging process by the charging processing unit 114, and adds the usage restriction information to the content. Update restriction information.
- the communication devices 1-1 and 1-2 perform charging processing based on the operations of the user A and the user X, respectively, and acquire the shared use license information for the content selected in step S3 in FIG. RU
- step S3 of FIG. 5 the same processing as the content authentication processing described above with reference to FIG. 10 is executed.
- step S4 the content playback unit 25 is controlled under the control of the playback synchronization unit 83.
- synchronized playback of content is started.
- the playback authentication control unit 111 performs a time measuring operation with the built-in clock in step S151, and waits until a predetermined time elapses. If it is determined that the time has elapsed, the process proceeds to step S152, where the shared use authentication unit 151 is controlled to determine whether or not the shared use restriction information is satisfied.
- the shared use authentication unit 151 receives device information (each for each of the communication devices that are currently participating in remote communication from the session management unit 81 (that is, synchronously playing back content). Communication device region , Group information, etc.).
- the session management unit 81 does not store the information that stores the device information.
- the device information is acquired from, and the acquired device information is supplied to the shared use authentication unit 151.
- the shared use authentication unit 151 determines whether or not the shared use restriction information added to the content being synchronized is satisfied, and the content being synchronized is reproduced. If it is determined that the shared use restriction information added to the file is not satisfied, the process proceeds to step S153, and the reproduction authentication control unit 111 notifies that the shared use restriction information is not satisfied, that is, that the shared use cannot be authenticated. To the notification information generation unit 118 to generate a video for notifying the user that the shared use restriction information is not satisfied, and the process proceeds to step S154.
- the notification information generation unit 118 When the notification information generation unit 118 generates a video for notifying the user that the shared use restriction information is not satisfied, the notification information generation unit 118 configures the output unit 21 via the video / audio synthesis unit 26. Display on display 41.
- step S154 shared use authentication section 151 controls charging processing section 114 to cause authentication server 4 to execute a charging process for satisfying the shared use restriction information, and proceeds to step S155.
- the authentication server 4 transmits new shared use restriction information corresponding to the charging process to the communication device 11.
- the communication unit 2 3 of the communication device 1 1 receives the shared use restriction information, it supplies the shared use authentication unit 151 with it.
- the shared use authentication unit 151 obtains the shared use authentication unit 151 in step S155, the shared use authentication unit 151 controls the sharing restriction information update unit 152 to update the sharing restriction information added to the content. End the copyright verification process. Of course, if no billing process is executed, the synchronized playback of content is forcibly terminated.
- step S152 determines whether the shared usage restriction information added to the content being synchronized is not satisfied. If it is determined in step S152 that the shared usage restriction information added to the content being synchronized is not satisfied, there is no problem with the copyright of the shared usage.
- the authenticating unit 151 ends the shared copyright copyright authentication process. [0195] As described above, when using remote communication processing to synchronize and play back content, it is necessary to periodically check the shared usage restriction information added to the content and use the shared content. Therefore, it is possible to prevent the content from being reproduced synchronously by infringing the shared use license.
- the above process may be executed by at least one of the communication devices performing remote communication processing (that is, synchronized playback of content). Further, the above processing may be realized on the authentication sano.
- the remote communication processing is executed in the present invention, it is more effective than a remote communication device such as a conventional voice phone, video phone, or video conference system. Active and natural communication is realized.
- user A and user X in a remote location can share the same content at the same time. Since the video and audio are also played at the same time, you can get a sense of presence, unity, or closeness as if you are communicating face-to-face, even when you are in a remote location.
- the content provider can Can expand the scope of business, such as setting prices at a lower price than licenses for personal use.
- users who are hesitant to use content due to an increase in cost for obtaining licenses are more likely to purchase, and as a result, the demand for content can be increased.
- the above-described series of processing can be executed by force software that can be executed by hardware.
- the communication devices 1-1 to 1-3, the content supply server 3, and the authentication server 4 in FIG. 1 are configured by a personal computer 401 as shown in FIG.
- a CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- the CPU 411, the ROM 412 and the RAM 413 are connected to each other via the bus 414.
- An input / output interface 415 is also connected to the bus 414.
- the input / output interface 415 includes an input unit 416 including a keyboard and a mouse, a display including a CRT (Cathode Ray Tube) and an LCD (Liquid Crystal Display), an output unit 417 including a speaker, and a hard disk.
- a storage unit 418 configured, a communication unit 419 configured by a modem, a terminal adapter, and the like are connected.
- the communication unit 419 performs communication processing via a wireless network.
- the drive 420 is also connected to the input / output interface 415 as necessary, and the magnetic disk 421, the optical disk 422, the magneto-optical disk 423, or the semiconductor memory 424, etc. are appropriately mounted and read out.
- various functions can be realized by installing a program that configures the software in a dedicated hardware, or by installing various programs. For example, a general-purpose personal computer is installed from a network or a recording medium.
- this recording medium is distributed to provide a program to the user separately from the main body of the apparatus.
- the recording medium is a magnetic disk 421 (including a flexible disk) on which the program is recorded.
- Optical disk 422 including compact disk-read only memory (CD-ROM), DVD (digital versatile disk)), magneto-optical disk 423 (including MD (mini-disk) (trademark)), or semiconductor memory 424 It is composed of a ROM 412 in which a program is recorded, a hard disk included in the storage unit 418, and the like provided to the user in a state of being incorporated in advance in the apparatus main body.
- the system represents the entire apparatus composed of a plurality of apparatuses.
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- Entrepreneurship & Innovation (AREA)
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- Tourism & Hospitality (AREA)
- General Business, Economics & Management (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
Description
Claims
Priority Applications (4)
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US11/572,597 US8365299B2 (en) | 2004-07-27 | 2005-07-20 | Information processing device and method, recording medium, and program |
KR1020077002046A KR101224533B1 (ko) | 2004-07-27 | 2005-07-20 | 정보 처리 장치 및 정보 처리 방법, 및 기록 매체 |
US13/716,595 US8752195B2 (en) | 2004-07-27 | 2012-12-17 | Information processing apparatus and method, recording medium, and program |
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JP2004218528A JP4501063B2 (ja) | 2004-07-27 | 2004-07-27 | 情報処理装置および方法、記録媒体、並びにプログラム |
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US20070288993A1 (en) | 2007-12-13 |
KR20070044438A (ko) | 2007-04-27 |
US8365299B2 (en) | 2013-01-29 |
KR101224533B1 (ko) | 2013-01-21 |
US20130111603A1 (en) | 2013-05-02 |
CN100517360C (zh) | 2009-07-22 |
CN1989507A (zh) | 2007-06-27 |
JP4501063B2 (ja) | 2010-07-14 |
US8752195B2 (en) | 2014-06-10 |
EP1783654A4 (en) | 2010-08-25 |
JP2006039918A (ja) | 2006-02-09 |
EP1783654A1 (en) | 2007-05-09 |
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