WO2005112454A1 - メタデータ変換装置、メタデータ変換方法、ならびにメタデータ変換システム - Google Patents
メタデータ変換装置、メタデータ変換方法、ならびにメタデータ変換システム Download PDFInfo
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- WO2005112454A1 WO2005112454A1 PCT/JP2005/008743 JP2005008743W WO2005112454A1 WO 2005112454 A1 WO2005112454 A1 WO 2005112454A1 JP 2005008743 W JP2005008743 W JP 2005008743W WO 2005112454 A1 WO2005112454 A1 WO 2005112454A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2353—Processing of additional data, e.g. scrambling of additional data or processing content descriptors specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8549—Creating video summaries, e.g. movie trailer
Definitions
- Metadata conversion device Metadata conversion device, metadata conversion method, and metadata conversion system
- the present invention relates to a metadata conversion device that converts metadata according to metadata conversion information.
- Metadata includes segmentation metadata that provides information on scenes that make up content.
- segmentation metadata provides information on scenes that make up content.
- CM complementary metal-oxide-semiconductor
- the content provider disclosed a technology that adds information that can be distinguished from the CM as metadata to the CM scene included in the content and transmits it to the receiving terminal. (See Patent Document 1).
- Patent Document 1 JP 2003-134436
- the metadata can be easily created without selecting a scene that the content provider considers important, such as a CM scene. Then, by using the metadata created by the user, the content according to the created metadata is viewed. Therefore, users will not be able to see the scenes that the content provider originally considered to be important. Also, the order of the scenes that the content provider considers important may be changed. As a result, there is a problem that the user cannot see the scene or CM scene that the content provider wants to show, or the scene can be viewed in the order of the scene.
- the present invention has been made in view of the above-described conventional problems, and is intended by a content provider when selecting segmentation metadata for digest viewing or reproducing scene power during content. It is an object of the present invention to provide a metadata conversion device that converts metadata into metadata according to the purpose of a scene or scene order.
- the present invention provides, as a metadata conversion device, a metadata input unit for inputting metadata describing content information in scene units, and a conversion of metadata provided by a content provider.
- the scenario rule can include a usage condition for converting the metadata and scene section information for converting the metadata.
- the use condition can specify at least one of a mandatory scene specification and a scene reproduction order to be viewed.
- the metadata conversion device of the present invention further includes a metadata determination unit that determines an issuer of the input metadata, and the metadata conversion unit determines a source of the input metadata in accordance with a determination result of the issuer.
- the conversion result of the metadata converted by the conversion method described in the scenario rule can be changed.
- the system further includes a content purchase confirmation unit that confirms whether or not the content corresponding to the metadata has been purchased, and the metadata conversion unit performs a conversion described in a scenario rule according to the purchase confirmation result.
- the conversion result of the metadata converted by the method can be changed.
- the metadata conversion unit performs a conversion process of inserting an indispensable scene into the metadata or rearranging the scene into an order to be viewed using the usage conditions. It is possible to do at least one of
- the metadata conversion unit includes the input A first metadata conversion unit that converts the input metadata into scene-unit metadata of scene section information specified by the input scene section information; and a first metadata conversion unit based on the input usage conditions.
- a second metadata conversion unit that converts the metadata converted by the metadata conversion unit.
- the present invention provides a metadata conversion information providing apparatus, comprising: a use condition for converting metadata describing content information in scene units; and a metadata for creating a scenario rule including scene section information. It is provided with a conversion information creation unit and a transmission unit for transmitting the scenario rule.
- the present invention provides, as a metadata conversion method, a step of inputting a scenario rule for converting metadata in a terminal according to a metadata conversion rule created by a content provider, and using the scenario rule. And converting the specified metadata, and playing back the content using the converted metadata.
- the metadata conversion method of the present invention may further include a step of determining a source of the metadata and a step of changing the conversion result according to the determination result of the source. Further, instead of these steps, there is further provided a step of confirming whether or not the content for the metadata has been purchased, and a step of changing the conversion result in accordance with the result of the purchase confirmation.
- the step of converting the metadata includes the step of converting the input metadata into the input scene section information based on the input scene section information.
- a first metadata conversion step of aligning the scene section information specified by the scene unit, and a second metadata conversion step of converting the metadata converted in the first metadata conversion step based on the input use conditions. Can also be provided.
- the present invention provides, as a digest playback apparatus, a metadata input unit for inputting metadata describing content information in scene units, and a scenario showing a method of converting metadata provided by a content provider.
- An input unit for inputting a rule, a metadata conversion unit for converting the input metadata by a conversion method described in a scenario rule, and a metadata-using playback unit for playing back content by using the converted metadata With is there.
- the present invention provides a metadata conversion information providing device that provides metadata conversion information, a metadata conversion device that converts metadata, the metadata conversion information providing device, and the metadata conversion device.
- a metadata conversion system including a transmission line to be connected, wherein the metadata conversion information providing device transmits a scenario rule creating unit that creates a scenario rule created by a content provider, and transmits the created scenario rule.
- the metadata conversion device includes: a use condition input unit configured to receive and input the use condition; a scene segment information input unit configured to receive and input the scene segment information; A metadata conversion unit that converts the metadata using scene section information, and a metadata conversion unit that converts the metadata using the converted metadata. It is obtained by a metadata based regeneration unit for reproducing Ntsu.
- the content provider does not include important scenes (highlight scenes, CM scenes, etc.) designated by the content provider, and even if the user selects the digest viewing metadata, the content provider can Important scenes (highlight scenes and CM scenes) to be specified can be provided to the user as required scenes. Even if the user arbitrarily selects the metadata and changes the viewing order, the content provider can modify the viewing order to be! /! And allow the content to be provided to the user.
- important scenes highlight scenes, CM scenes, etc.
- FIG. 1 is a block diagram showing a configuration of a metadata conversion system according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing a description example of a use condition in the first embodiment.
- FIG. 3 is a diagram showing a description example of scene section information in the first embodiment.
- FIG. 4 is a block diagram showing an internal configuration of a metadata conversion unit according to the first embodiment.
- FIG. 5 Metadata according to the purpose of the content provider in the first embodiment. It is a flowchart which shows the operation
- FIG. 6 is a flowchart showing an operation performed inside a metadata conversion unit according to the first embodiment.
- FIG. 7 is a diagram showing an example of description of metadata according to the purpose of the content provider in the first embodiment.
- FIG. 8 is a block diagram illustrating a configuration of a metadata conversion system according to a second embodiment of the present invention.
- FIG. 9 is a diagram showing an example of a description of a use condition to which a metadata issuer is added in the second embodiment.
- FIG. 10 is a block diagram showing an internal configuration of a metadata conversion unit in the second embodiment.
- FIG. 11 is a block diagram showing a configuration of a metadata conversion system according to a third embodiment of the present invention.
- FIG. 12 is a diagram showing an example of description of usage conditions to which viewing restrictions have been applied in the third embodiment.
- FIG. 13 is a diagram showing an example of metadata in the first embodiment.
- FIG. 14 is a diagram showing an example of scene section information in the first embodiment.
- FIG. 15 is a diagram showing an example of a use condition in the first embodiment.
- FIG. 16 is a diagram illustrating an example of metadata after conversion in the first embodiment.
- the outline of the present invention is to provide a scenario rule which includes metadata, a scene to be viewed provided by a content provider, a usage condition defining a scene order, and a scene section indicating a scene segment of the content. Applying and converting.
- the metadata mainly described in the present invention is a description of content information in units of scenes obtained by time-dividing content (details will be described later with reference to FIG. 3). It may also include a description of scene configuration information by grouping or ordering the described scene units. Note that when digest viewing is described in detail later with reference to FIG.
- the metadata is metadata that describes a scene unit and a scene order.
- the metadata conversion system provides a metadata conversion device 110 that converts metadata into metadata that matches the purpose of a content provider, and metadata conversion information.
- the system includes a metadata conversion information providing device 120, and a transmission line 130 connecting the metadata conversion device 110 and the metadata conversion information providing device 120 via a broadcast network or a communication network.
- a UI unit 111 for a user to perform a selection operation a metadata input unit 112 for inputting metadata from a metadata server via a transmission path, and metadata for managing a metadata database Database 113, a usage condition input unit that receives and inputs usage rules for converting metadata, which is a configuration that receives scenario rules for converting metadata and converting metadata according to the purpose of the content provider 114 and a scene section information input unit 115 for receiving and inputting scene section information for converting the metadata.
- the use section or the scene section information is used to convert the metadata into metadata according to the content provider's purpose V ⁇ .
- Metadata conversion unit 116 a human resource that receives content via a transmission path and receives Use the content database 118 holding tube, and the converted metadata Ten', comprises a metadata based regeneration unit 119 for reproducing Konten' Te, Ru.
- the metadata conversion information providing device 120 has a configuration in which a scenario rule, which is a conversion element for converting the content into a metadata that matches the purpose of the content provider, is transmitted.
- the condition creating unit 121 and the created use condition are transmitted.
- the use condition transmitting unit 122 is a scene segment information creating unit that creates scene segment information, which is a conversion element for converting the metadata into content that matches the purpose of the content provider. 123, and a scene section information transmitting section 124 for transmitting the created scene section information.
- the metadata conversion information providing device 120 is usually installed and provided by a content provider, but operates in cooperation with the content provider depending on the type of business and is licensed to the content provider. Various forms are conceivable, such as installation of objects.
- Use conditions include those that specify scenes to be viewed as essential scenes and those that are arranged in the order in which they should be viewed. This is to specify the replacement.
- Figure 2 shows an example in which usage conditions are described in XML (eXtensible Markup Language).
- the required scene describes scene information that is required when using the metadata for digest viewing, and is described as a list in the ⁇ RequiredScene> 201 and! Tags.
- SceneA, SceneB, and SceneC are designated as essential scenes using a scene identifier that uniquely identifies a specific scene section of the content.
- the viewing order describes a viewing order that should be observed when using the metadata of the digest viewing, and is described in a tag of SceneOrder> 202.
- scene B is viewed after Scene A using a scene identifier that uniquely identifies a scene section.
- the usage conditions configured as described above are created by the usage condition creation unit 121, and transmitted from the usage condition transmission unit 122 to the usage condition input unit 114 via the transmission path.
- the designation of the scene section by the use condition may be described in the start time and end time of the corresponding content and the use condition, instead of using the scene identifier. It is also possible to designate a scene identifier as a content identifier and a hierarchy of scene identifiers. In addition, in order to prove that the content provider has created the usage conditions, the content provider adds a digital signature to the usage conditions and uses DRM (Digital Right Management), which is used for copyright management of digital contents. May be included in the license for the content decryption key and the content usage conditions.
- DRM Digital Right Management
- FIG. 3 shows an example in which scene section information obtained by time-sharing content is described in XML based on the server-type broadcast metadata standard.
- the scene section information includes a scene identifier 301 uniquely identifying the scene section, a content identifier 303 indicating which content the scene section is included in, a scene start time 304, and a scene end time 305. It is composed of
- SceneA is set as the scene identifier, and the content ID is crid: ⁇ broadcast.com/ContentIDl indicated in the CRID (Content Reference ID) format used in server-based broadcasting. ing.
- the start time is defined as 0 and the continuation time is defined as 4 minutes.
- the scene section defined as SceneA has a content ID crid: 0 0 to 4 minutes of the content referenced by broadcast.com/ContentIDl. 4 minutes indicated by.
- the time is set directly. However, the time is set using the number of frames, as defined in the standard for server-based broadcasting, and the time is set based on the relative time. You may.
- reproduction control information 302, 306 may be included depending on whether or not to permit special operations by the user such as fast forward, rewind, and skip. Here, user special control is prohibited for SceneA, and SceneB is permitted. Further, although not shown, the scene section information may describe the details of the scene section.
- the description example of the scene section information by the metadata specified by the server-type broadcasting is given.
- the description is made using the metadata standard of the content such as MPEG-7. Is also good.
- the scene section information configured as described above is created by the scene section information creating section 123, and is transmitted from the scene section information transmitting section 124 to the scene section information input section 115 via a transmission path.
- the use condition and the scene section information are described as individually created and transmitted, but the use condition and the scene section information may be transmitted as a scenario rule.
- the metadata conversion information providing apparatus 120 creates and transmits a scenario rule that includes the use condition for converting metadata by the metadata conversion apparatus 110 and the scene section information power.
- the metadata conversion device 110 receives a usage rule for converting metadata and a scenario rule including scene section information, and converts the metadata according to the scenario rule.
- the metadata conversion device 110 receives the use condition at the use condition input unit 114, and receives the scene section information at the scene section information input unit 115.
- the metadata database 113 can store the metadata input by the metadata input unit 112. Also, metadata created by the user using the UI unit 111 can be stored. The user operates the UI unit 111 to select metadata for viewing the digest, and the selected metadata is input to the metadata conversion unit 116 (S501). Since the metadata selected here is selected according to the user's preference, the metadata according to the intention of the content provider is not always selected. Subsequently, the use condition input by the use condition input unit 114 and the scene section information input by the scene section information input unit 115 are input to the metadata conversion unit 116 (S502, S503). The selected metadata, usage conditions, and scene section information are input to the metadata conversion unit 116. The selected metadata is converted using the input usage conditions and scene section information (S504). Then, the converted metadata is input to the metadata-using and reproducing unit 119, and the content is extracted from the content database 118 based on the converted metadata and reproduced.
- the metadata conversion unit 116 includes a metadata normalization unit 401 for normalizing the selected metadata based on the scene section information, and a scene required for the normalized metadata based on the usage conditions.
- a use condition application unit 404 for distributing conditions is provided.
- the use condition application unit 404 receives the scene section information sent from the scene section information input unit 115, and specifies the scenes and the order to be viewed when using the normalized metadata. It is applied from among the usage conditions sent from, and is sent to the scene input unit 402 and the scene sorting unit 403.
- FIG. 6 illustrates an operation of converting the metadata processed inside the metadata conversion unit 116 when creating the digest viewing metadata. It is assumed that the user has selected from the metadata database 113 the metadata (FIG. 13) describing that the scene (1) 602 and the scene (2) 604 are to be reproduced. The metadata shown in Fig. 13 indicates that the user views the scenes (1) and (1301) with the first minute of the content and also the scenes (2) and (1302) with the second minute of the eight minutes as well. .
- the selected metadata is input to the metadata normalization unit 401.
- the metadata regularization unit 401 divides the playback scene (1) 602 and the scene (2) 604 according to the selected metadata.
- the metadata indicating that the user views the digest and the scene section information shown in FIG. 14 are input, and the metadata selected by the user is normalized.
- the regular scenes of the metadata selected by the user are scenes (1) 602 and 1301 (1 to 3 minutes) of the metadata selected by SceneA (0 to 3 minutes) defined in the scene section information. ), 601 and 1401 and SceneB (3 minutes to 5 minutes) 603 and 1402, so that the combination of SceneA601 and SceneB603 becomes a normalized scene 605.
- the scene (2) (8 to 10 minutes) 604 and 1302 are included only in SceneD (7 to 11 minutes) 607 and 1403 defined in the scene section information, so the normalized scene 606 Becomes SceneD607.
- the normalized metadata 605 and 606 composed of the normalized scene are input to the scene insertion unit 402.
- the normalization is to convert the input metadata to the scene-unit metadata of the scene section information specified by the input scene section information.
- the scene of the metadata selected by the user is aligned with the scene section specified by the content provider.
- a required scene 1501 of the use conditions described in FIG. 15 is input from the use condition application unit 404 to the scene insertion unit 402.
- SceneG608 is an essential scene.
- the scene reordering unit 403 receives the normalized metadata 605 and 606 and the required scene 608 input to the scene input unit 402. Then, the metadata is converted into metadata in which the required scene G is inserted.
- scene order information 1502 describing the order to be viewed is input from the use condition applying unit 404 to the scene rearranging unit 403.
- the metadata in which the mandatory scene is inserted is in the order of SceneG608 ⁇ SceneA601 ⁇ SceneB603 ⁇ SceneD607. It is converted to the sorted metadata ( Figure 16).
- digest viewing is performed using the converted metadata (FIG. 16) and the scene section information (FIG. 14) specified by the converted metadata.
- the converted metadata and scene section information shown in FIG. 16 may be converted into a format in which the metadata is one metadata.
- the digest viewing metadata selected by the user is converted according to the scenario rules specified by the content provider, such as the usage conditions and scene section information specified by the content provider.
- the converted metadata is stored in the server as shown in Figure 7 and Figure 16. It is described in the metadata format of the broadcast.
- the digest viewing metadata described in the server-type broadcast metadata format includes a content identifier 701 that uniquely indicates which content is included in the digest viewing metadata, a title 702 of the digest viewing metadata, and a digest viewing.
- a list 703 of a scene order to be used at the time is described. Then, the content can be digest-viewed using the converted metadata.
- the essential scenes may be inserted after rearranged according to the viewing order.
- a secure method that is not easily falsified may be generated so that the digest can be viewed.
- the essential scene may refer to not only a scene of the same content but also a scene of another content.
- the content selected by the user is viewed by the content provider! /,
- the required scenes and the viewing order are applied, and the content provider aims to match the content! Data, and reproduce the content using the converted metadata.
- the metadata can be provided to the user as an essential scene.
- the content provider can modify the viewing order and provide it to the user in an order desired to be viewed.
- the content provider can appropriately view important scenes (such as a no-light scene, a CM scene, and promotion information and! /, Predetermined information) by digesting the metadata created by the user. become.
- important scenes such as a no-light scene, a CM scene, and promotion information and! /, Predetermined information
- the content provider specifies the playback order of the scenes, so that when the content is played back in the reverse order, such as a ranking program, a quiz program, etc., the metadata for performing digest viewing that breaks the original purpose of the content is broken Can be viewed in a manner that matches the aims of the content provider.
- the user can watch the scene that the digest viewing content provider considers important without overlooking the scene structure that the user considers important and respecting the story structure.
- it is effective for metadata created by the user or metadata shared between users.
- the metadata conversion system of this embodiment includes a metadata creation unit 801, a metadata discrimination unit 802, and a metadata issuer assignment unit 803 in addition to the configuration shown in the first embodiment. .
- the same components as those described in the first embodiment are denoted by the same reference numerals, and overlapping description will be omitted.
- the metadata creation unit 801 is a unit that creates user metadata.
- the user uses the UI unit 101 to create metadata by selecting only the part of the content that has been viewed, or to select metadata from the metadata stored in the metadata database 113, It is edited and created using it. In that case, the user selects the metadata and is specified by the selected metadata! Create the scenes by rearranging them.
- the scene power corresponding to the user's preference is also extracted so as to fit within the time specified by the user, and the metadata for the digest viewing is automatically extracted. It can also be generated.
- the metadata issuer assigning unit 803 includes, in the metadata, information of the issuer as information for identifying whether the metadata is created by a user operation or automatically created. Is also given.
- the metadata that is automatically created includes a secret that is unique to the metadata issuer 801 in order to prove that the metadata creation unit 801 created it automatically. Electronic signatures with a secret key are also acceptable.
- Metadata created by the user at a terminal belonging to the home network, or metadata created by a third party that is not related to the user or the content provider is also stored.
- the metadata determination unit 802 determines the issuer (creator) of the metadata input from the metadata database 113, and determines whether or not to perform metadata conversion according to the determination result of the issuer. Things.
- the issuer can be determined by checking the information of the issuer attached to the metadata.
- the metadata discriminating unit 802 includes a unit for confirming an electronic signature as a means for confirming information of a metadata issuer. If it is confirmed that the electronic signature has been signed by the content provider or by a service provider authorized by the content provider, the digital signature is sent to the metadata utilization playback unit 119, The selected metadata can be used as it is.
- the metadata conversion unit 116 determines whether the digital signature has been signed by a provider other than the content provider or that the digital signature has been granted by the service provider.
- the metadata conversion unit 116 converts the data into metadata according to the determination result of the metadata determination unit 802.
- the metadata is determined to be metadata created by the metadata creation unit 801. At this time, the source information of the metadata is used to determine whether the metadata is created by the user or automatically created.
- a home network environment in which content and metadata are shared by devices at home and the shared content can be played back and recorded through a home network will be described.
- it is encrypted with the shared key shared inside the home network! / It can be determined as created metadata.
- the metadata is determined to be metadata created by a third party user.
- the metadata created by a third-party user is unclear what issued the metadata, and the metadata permitted by the content provider described above and created by the user on his own terminal Compared with the metadata created by the terminal inside the home network, the reliability of the publisher is low !, so there is a possibility that the content provider aims!
- an example of an electronic signature has been described as a means for determining metadata, but the metadata may be determined by encryption using a public key, electronic transmission, or the like. If the metadata is determined to be a digital signature signed by a non-content provider, or by a service provider without the permission of the content provider, The metadata conversion unit 116 'applies essential scenes and viewing order that the content provider wants to view, and converts the metadata into metadata according to the purpose of the content provider.
- the metadata conversion unit 116 ′ of the present embodiment includes a metadata issuer confirmation unit 1001 in addition to the configuration shown in the first embodiment.
- the metadata issuer confirmation unit 1001 confirms which usage condition is to be applied according to the metadata issuer confirmed by the metadata determination unit 802.
- the metadata created by the user on the home network is converted using the 901 usage rule.
- the metadata created by the user in the metadata creation unit 801 is converted using the usage conditions of 902.
- the metadata created automatically by the metadata creation unit 801 is converted using the usage conditions of the metadata 903.
- metadata created by third parties such as metadata sent by friends and metadata shared by unspecified people on the network, is converted using the 904 usage conditions. I do.
- the usage condition In the usage condition, detailed usage conditions such as the number of times the content is viewed, the time during which the content is used for digest viewing, and the expiration date to which the usage condition is applied may be set.
- information such as the viewing history of the content and the time when the content was viewed is managed in the metadata conversion device 102, and the metadata is stored in accordance with the information and the usage conditions. Will be converted.
- metadata created by a content provider and a service provider other than those permitted by the content provider is sent to the metadata normalizing unit 401 with the publisher assigned to the metadata.
- the operation processed inside the metadata conversion unit 116 ' is the same as the operation described in the first embodiment.
- the present embodiment it is possible to determine whether or not to convert metadata according to the source of the selected metadata and to change the conversion method according to the source of the metadata. Therefore, if the user determines that the metadata is obtained through e-mail or the like by a third party, or is shared via the Web bulletin board function or P2P file sharing, the CM specified by the content provider, etc. I have to watch a lot of scenes. However, metadata created and used by users themselves does not require viewing of commercials and other scenes. The content provider can make detailed and detailed specifications by using scenario rules.
- the content provider By allowing the content provider to set the usage format of the metadata for digest viewing in accordance with the issuer and usage format of the metadata, the content provider can increase the chances of having the viewer view the content and increase the CM And promotion opportunities. On the other hand, there is also an advantage that the user can view and view only necessary scenes and favorite scenes in a short time. In addition, the advantage that the digest viewing of a favorite scene between users can be shared via a network increases.
- the metadata conversion system of the present embodiment is the same as the configuration shown in the first or second embodiment, which further includes a content purchase confirmation unit 1101 in addition to the configuration shown in the first or second embodiment.
- the same reference numerals are given to the configurations of and the duplicate description will be omitted.
- the content purchase confirmation unit 1101 confirms whether or not the content corresponding to the metadata converted by the metadata conversion unit 116 is purchased according to the purpose of the content provider. The conversion result is changed according to.
- the content purchase confirmation unit 1101 uses DRM (Digital Right Management) or the like. The following describes the operation of confirming whether or not the content power for the metadata according to the purpose of the content provider has been purchased, and reproducing the content according to the result of the purchase confirmation.
- the metadata selected by the user is converted by the metadata conversion unit 116 using the usage conditions and the scene section information, and metadata is created in accordance with the purpose of the content provider. .
- the usage conditions include a pre-view viewing restriction 1201 in addition to the essential scene 201 and the viewing order 202.
- the metadata conversion unit 116 inquires of the content purchase confirmation unit 1101 whether or not the content corresponding to the scene section of SceneC has been purchased. If the content has been purchased or the procedure for purchasing the content has been performed, the parental control scene before purchase (preview prohibited scene) 1201 can be released, and the digest including SceneA SceneB SceneC can be canceled by observing the order of SceneA SceneB Watching becomes possible. On the other hand, if the content is not purchased and the user does not perform the purchase processing, the digest viewing including SceneC cannot be performed.
- the viewing restriction is applied to the metadata selected by the user, and the metadata that matches the purpose of the content provider is set. Converted to data. Unless the parental control is lifted in some way, the converted metadata will not allow the converted metadata to be used. As a result, even if the content corresponding to the metadata selected by the user is charged, the digest viewing can be performed by purchasing the content.
- the scene section information and the usage conditions constituting the scenario rule are transmitted and received separately. However, they can be transmitted as one data using synthesis or multiplexing. It is.
- the usage conditions as the scenario rules and the scene section information are transmitted directly from the metadata conversion information providing device to the metadata conversion device. It is also possible to accumulate the data in the metadata database 113 and use it. Also, metadata such as digests selected by the user need not necessarily be stored in the metadata database.
- the present invention is useful for a broadcasting system or a content distribution system using metadata.
- it is useful for server-type broadcasting and services, TV Anytime applications, and so on.
- the present invention can be applied to a metadata exchange service, an automatic digest creation service in a metadata conversion device, and the like.
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- Library & Information Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006513557A JPWO2005112454A1 (ja) | 2004-05-18 | 2005-05-13 | メタデータ変換装置、メタデータ変換方法、ならびにメタデータ変換システム |
US11/569,293 US20070233747A1 (en) | 2004-05-18 | 2005-05-13 | Meta Data Conversion Device, Meta Data Conversion Method, And Meta Data Conversion System |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004147919 | 2004-05-18 | ||
JP2004-147919 | 2004-05-18 |
Publications (1)
Publication Number | Publication Date |
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WO2005112454A1 true WO2005112454A1 (ja) | 2005-11-24 |
Family
ID=35394530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008743 WO2005112454A1 (ja) | 2004-05-18 | 2005-05-13 | メタデータ変換装置、メタデータ変換方法、ならびにメタデータ変換システム |
Country Status (4)
Country | Link |
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US (1) | US20070233747A1 (ja) |
JP (1) | JPWO2005112454A1 (ja) |
CN (1) | CN1969554A (ja) |
WO (1) | WO2005112454A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014017677A (ja) * | 2012-07-09 | 2014-01-30 | Sharp Corp | コンテンツ管理装置、電子機器、コンテンツ再生装置、コンテンツ管理方法、コンテンツ管理制御プログラム及び記録媒体 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001101190A (ja) * | 1999-07-29 | 2001-04-13 | Jisedai Joho Hoso System Kenkyusho:Kk | 受信装置および受信方法 |
JP2002261715A (ja) * | 2001-03-01 | 2002-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 番組関連情報テーブル構成方法及びシステム |
US20030226151A1 (en) * | 2002-05-30 | 2003-12-04 | International Business Machines Corporation | Content reproduction controller, data management device, storage-type content distribution system, content distribution method, content distribution server,control data transmission server, and program product therefor |
JP2005080155A (ja) * | 2003-09-03 | 2005-03-24 | Nippon Telegr & Teleph Corp <Ntt> | コンテンツ配信制御方法及びコンテンツ配信制御システム並びにコンテンツ配信制御システムの機能プログラムを記録した記録媒体 |
JP2005160032A (ja) * | 2003-11-07 | 2005-06-16 | Matsushita Electric Ind Co Ltd | コンテンツ再生制御システム、サーバ装置、端末装置およびコンテンツ再生制御方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4321340B2 (ja) * | 2004-04-22 | 2009-08-26 | ソニー株式会社 | 再生装置 |
-
2005
- 2005-05-13 WO PCT/JP2005/008743 patent/WO2005112454A1/ja active Application Filing
- 2005-05-13 JP JP2006513557A patent/JPWO2005112454A1/ja active Pending
- 2005-05-13 US US11/569,293 patent/US20070233747A1/en not_active Abandoned
- 2005-05-13 CN CNA2005800199071A patent/CN1969554A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001101190A (ja) * | 1999-07-29 | 2001-04-13 | Jisedai Joho Hoso System Kenkyusho:Kk | 受信装置および受信方法 |
JP2002261715A (ja) * | 2001-03-01 | 2002-09-13 | Nippon Telegr & Teleph Corp <Ntt> | 番組関連情報テーブル構成方法及びシステム |
US20030226151A1 (en) * | 2002-05-30 | 2003-12-04 | International Business Machines Corporation | Content reproduction controller, data management device, storage-type content distribution system, content distribution method, content distribution server,control data transmission server, and program product therefor |
JP2005080155A (ja) * | 2003-09-03 | 2005-03-24 | Nippon Telegr & Teleph Corp <Ntt> | コンテンツ配信制御方法及びコンテンツ配信制御システム並びにコンテンツ配信制御システムの機能プログラムを記録した記録媒体 |
JP2005160032A (ja) * | 2003-11-07 | 2005-06-16 | Matsushita Electric Ind Co Ltd | コンテンツ再生制御システム、サーバ装置、端末装置およびコンテンツ再生制御方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014017677A (ja) * | 2012-07-09 | 2014-01-30 | Sharp Corp | コンテンツ管理装置、電子機器、コンテンツ再生装置、コンテンツ管理方法、コンテンツ管理制御プログラム及び記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
CN1969554A (zh) | 2007-05-23 |
JPWO2005112454A1 (ja) | 2008-03-27 |
US20070233747A1 (en) | 2007-10-04 |
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