WO2008029479A1 - Dispositif et procédé de reproduction de contenu - Google Patents

Dispositif et procédé de reproduction de contenu Download PDF

Info

Publication number
WO2008029479A1
WO2008029479A1 PCT/JP2006/317909 JP2006317909W WO2008029479A1 WO 2008029479 A1 WO2008029479 A1 WO 2008029479A1 JP 2006317909 W JP2006317909 W JP 2006317909W WO 2008029479 A1 WO2008029479 A1 WO 2008029479A1
Authority
WO
WIPO (PCT)
Prior art keywords
content
playback
scene
information
priority
Prior art date
Application number
PCT/JP2006/317909
Other languages
English (en)
Japanese (ja)
Inventor
Yoshifumi Yonemoto
Hideki Yukitomo
Mutsumi Mimasu
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to PCT/JP2006/317909 priority Critical patent/WO2008029479A1/fr
Publication of WO2008029479A1 publication Critical patent/WO2008029479A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/454—Content or additional data filtering, e.g. blocking advertisements
    • 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

Definitions

  • the present invention relates to content reproduction, and more particularly to a content reproduction apparatus and content reproduction method for viewing in a short time.
  • Patent Document 1 JP-A-2000-125243, pages 5 to 9 Figure 1
  • the present invention has been made in view of the above problems, and allows the user to view content in a short time without overlooking an important scene requested by the user who performs complicated operations. It is an object of the present invention to provide a possible content playback apparatus and content playback method.
  • the content reproduction apparatus of the present invention is a content reproduction apparatus that reproduces content including at least one scene, and content reproduction method determination information that is preset according to the priority of the content and the importance of the scene.
  • a playback method determining unit that determines a playback method of the content, and a playback control unit that plays back the content according to the playback method determined by the playback method determining unit.
  • the content playback apparatus of the present invention further includes an information storage unit that stores the content playback method determination information.
  • the preset content playback method determination information is information for determining the playback speed of the content.
  • the content playback apparatus of the present invention includes a content priority determination unit that determines the priority of the content based on user preference information and content category information.
  • the content reproduction apparatus of the present invention includes a content analysis unit that analyzes sound and video constituting the content, and a scene importance level determination unit that determines the importance level of the scene according to the analysis result of the content. Prepare.
  • the scene importance level determination unit determines the importance level based on the presence or absence of audio information in each scene.
  • the content playback device of the present invention includes a charging status detection unit that detects a charging status of a battery, and the playback control unit detects the charging status detected by the charging status detection unit, and the playback method determination unit.
  • the content is reproduced according to the content reproduction method determined by the company.
  • the appropriate content playback method is automatically selected according to the content priority and the scene importance level, and the playback method selected according to the remaining battery level is appropriately corrected.
  • the content can be viewed in a short time without overlooking important scenes of the content while considering the possible time.
  • the content playback method of the present invention is a content playback method for playing back content including at least one scene, and the content playback method determination set in advance according to the priority of the content and the importance of the scene
  • the method includes a step of determining a content reproduction method with reference to the information, and a step of reproducing the content according to the determined reproduction method.
  • the content reproduction method of the present invention includes a step of determining the priority of the content based on user preference information and content category information.
  • the content playback method of the present invention determines the importance of the scene according to the step of analyzing the sound and video constituting the content and the analysis result of the content. And a step of performing.
  • the content playback method of the present invention includes a step of detecting a charging state of the battery, and the step force for performing playback of the content depends on the detected charging state and the determined content playback method. , Content playback.
  • FIG. 1 is a block diagram showing a configuration of a content reproduction apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a diagram conceptually showing a data configuration of content category information.
  • FIG. 4 is a diagram conceptually showing a data structure of content priority determination information in the content reproduction device in the first embodiment of the present invention.
  • FIG. 5 is a diagram conceptually showing the data structure of scene importance determination information in the content reproduction device in Embodiment 1 of the present invention.
  • FIG. 6 is a diagram conceptually showing a data structure of content reproduction method determination information in the content reproduction device in the first embodiment of the present invention.
  • FIG. 7 is a flowchart showing a procedure of content reproduction operation of the content reproduction device in the first embodiment of the present invention.
  • FIG. 8 A diagram conceptually showing the data structure of content attribute information
  • FIG. 9 is a block diagram showing a configuration of a content playback apparatus in Embodiment 2 of the present invention.
  • FIG. 10 conceptually shows a data configuration of battery remaining amount determination information in the content playback apparatus in Embodiment 2 of the present invention. Figure showing Explanation of symbols
  • FIG. 1 is a block diagram showing a configuration of a content reproduction apparatus in Embodiment 1 of the present invention.
  • the content playback apparatus 100 includes a transmission / reception unit 101, a content priority determination unit 102, a content analysis unit 103, an information storage unit 104, a scene importance determination unit 105, a content playback method determination unit 106, a playback control unit 107, and an output unit. 108.
  • the transmission / reception unit 101 performs transmission / reception of radio waves of analog or digital broadcasting such as terrestrial broadcasting and satellite broadcasting, and transmission / reception of stream data via the Internet.
  • the content priority determination unit 102 determines the priority of content based on content priority determination information including user preference information and content category information. Details of the content priority determination information will be described later.
  • the content analysis unit 103 analyzes sound and video constituting the content. For example,
  • the information storage unit 104 stores various data such as content data, content priority determination information, scene importance determination information, and content reproduction method determination information described later.
  • the scene importance level determination unit 105 determines the scene importance level based on the scene importance level determination information for determining the importance level of the scene included in the content. Details of the scene importance determination information will be described later.
  • the content playback method determination unit 106 selects an appropriate content based on the content playback method determination information set in advance so that different content playback methods correspond to the content priority and the scene importance. Determine the playback method.
  • the playback control unit 107 follows the playback method determined by the content playback method determination unit 106. Control content playback.
  • the output unit 108 includes a display that displays a playback image of content, a speaker that outputs playback audio, and the like, and plays back and outputs content data.
  • the content priority determination information is set and changed by the user of the content playback device using the content category information shown in FIG. 2 and the preference information shown in FIG. 3 set in advance in the content playback device.
  • Information For example, for content categories such as “politics”, “sports”, and “entertainment”, which content was prioritized! / Takaka! / User preference information indicating the preference of the user By setting this, content priority judgment information can be created.
  • FIG. 4 is a diagram conceptually showing a data structure of content priority determination information in the content reproduction device according to Embodiment 1 of the present invention.
  • the figure shows an example of a user who sets preference information of “low”, “high”, and “medium” for each of the three categories of “politics”, “sports”, and “entertainment”. Yes.
  • content priority determination information is created, the priority of the acquired content can be determined.
  • FIG. 5 is a diagram conceptually showing a data structure of the scene importance degree determination information of the content reproduction device in the first embodiment of the present invention.
  • the scene importance level determination information is information for determining the importance level of a plurality of scenes divided by the analysis by the content analysis unit 103. As shown in the figure, in the present embodiment, the scene importance is classified according to the media configuration of content data, and is set as default.
  • FIG. 6 is a diagram conceptually showing a data structure of content reproduction method determination information in the content reproduction apparatus according to Embodiment 1 of the present invention.
  • the content playback method determination information assigns different content playback methods according to the content priority determined based on the content priority determination information and the scene importance determined based on the scene importance determination information. It is information for. Specifically, the content playback method is determined with reference to the content priority and the scene importance of the content playback method determination information.
  • the content priority is a priority classification in the above-described content priority determination information, and in the present embodiment, in the descending order of priority, three ranks of "high”, “medium”, and “low” are used. It is classified.
  • the scene importance level is an importance level classification in the above-described scene importance level determination information, and in this embodiment, in the order of importance level, the ranks are “high”, “medium”, and “low”. It is divided.
  • the content playback method is determined by a combination of the content priority rank and the scene importance rank. For example, if the content priority is “medium” and the scene importance is “medium”, the playback method (playback speed) will be “1.3x speed” playback.
  • the content of the playback method in the content playback method determination information may be set in advance and fixed so that it cannot be changed by the user, or may be arbitrarily set by the user using operation input means (not shown). It doesn't matter if you can change it. For example, the user can change the content playback speed of “high” content priority and “medium” scene importance level from “normal playback” (default setting) to “1.3x speed”. .
  • the content reproduction method determination information may be automatically updated using a user operation history or the like. For example, if the user performs an operation that requires higher speed playback during playback at “1.3x speed”, the “1.3x speed” column of the content playback method determination information is based on this operation. Can be updated to “1.5x speed”.
  • the category information and priority information, the content priority determination information set by the user, the scene importance determination information, and the content reproduction method determination information are gc fe to the information storage unit 104.
  • FIG. 7 shows a content playback operation of the content playback apparatus in Embodiment 1 of the present invention. It is a flowchart which shows the procedure of production.
  • the content reproduction apparatus 100 receives three content data “content A”, “content: B”, and “content C” via the transmission / reception unit 101.
  • the transmission / reception unit 101 also receives the content attribute information shown in FIG. 8 together with each content data.
  • the content attribute information includes category information of each content, and indicates “entertainment”, “sports”, and “politics”, respectively.
  • the content priority determination unit 102 refers to the content priority determination information, and determines the content priority corresponding to the content A whose category is "entertainment" (step S101). In the content priority determination information shown in FIG. 4, since the preference level of “entertainment” is “medium”, the content priority determination unit 102 determines the content priority of content A as “medium”.
  • the content analysis unit 103 analyzes the media configuration of the content (step S102). Specifically, it distinguishes voiced and unvoiced sections, analyzes volume, extracts and analyzes characteristic video, and divides the content into multiple scenes.
  • the scene importance level determination unit 105 determines the scene importance level with reference to the scene importance level determination information (step S 103).
  • the scene importance level is “high” for a section with voice and a volume rise, the scene importance level for other voice sections is “medium”, The scene importance is determined as “low”.
  • the playback method determination unit 106 refers to the content playback method determination information to determine the content playback method (step S104).
  • the content playback method determination unit 106 determines a playback method (playback speed in the present embodiment) according to the scene importance level of a plurality of scenes included in the content A whose content priority is “medium”.
  • the playback speed of a high importance scene in content A is “normal playback”
  • the playback speed of a medium importance scene in content A is “high”.
  • 1. 3x playback The playback speed of the “low” importance scene in the content A is determined as “4 ⁇ playback”.
  • the playback control unit 107 performs content display and audio output through the display or speaker as the output unit 108 in accordance with the playback control method determined by the playback method determination unit 106 (step S105).
  • priority classification and importance classification are not limited to “high”, “medium”, and “low”, and may be classified by numerical values.
  • the scene importance level determination unit 105 determines the scene importance level for the scene analyzed by the content analysis unit.
  • Information regarding the importance of the scene may be included in the attribute information to be used in advance.
  • the importance classification of the scene importance determination information is set by analyzing audio information such as voiced sections and voice excitement.
  • the present invention is not limited to this. Even if it decides using the analysis result of information, etc., it does not matter. In addition, it does not matter if the user can select and set the scene importance determination information.
  • content can be viewed in a short time without overlooking content and scenes important to the user. It is also possible to set and change the content playback method to better match the user's preference.
  • FIG. 9 is a block diagram showing a configuration of a content reproduction device in Embodiment 2 of the present invention.
  • the content reproduction device 110 according to the second embodiment is different in that a charging state detection unit 109 is added. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted.
  • the charging status detection unit 109 detects the charging status such as the remaining battery level and the power feeding status of the content playback device, and determines the remaining battery level category with reference to preset remaining battery level determination information.
  • FIG. 10 is a diagram conceptually showing a data structure of the remaining battery level determination information of the content reproduction device in the second embodiment of the present invention. As shown in the figure, within a predetermined voltage range Correspondingly, the remaining battery level is classified into three levels, “high”, “medium”, and “low”, and the remaining battery level of the content playback device can be determined.
  • the playback control unit 107 controls content playback according to the content playback method determined by the content playback method determination unit 106 and the remaining battery level detected by the charging status detection unit 109, for example, as follows. I do.
  • the playback control unit 107 plays back the content in accordance with the content playback method determined by the content playback method determination unit 106.
  • the battery remaining capacity classification is “medium”
  • playback is performed while skipping the playback portion corresponding to the “low” scene importance of the content playback method determined by the content playback method determination unit 106.
  • the battery remaining capacity classification is “low”
  • the playback portion corresponding to the medium importance level and the “low” scene importance level of the content playback method determined by the content playback method determination unit 106 is skipped for playback. I do.
  • “High” battery level is based on the remaining battery capacity that can be played back for more than 1 hour, and "Medium” battery level is played back for 30 minutes or longer. You can set the category using the remaining battery level as a guide.
  • the playback control unit 107 plays back the content by assuming that the remaining battery level is “high”.
  • Arbitrary conditions may be added, such as setting as follows.
  • the content playback apparatus that is effective in the present invention has the effect of being able to view content in a short time without overlooking content and scenes that are important to the user. It is useful as a content playback apparatus and content playback method for portable information terminals, notebook personal computers, personal computers on networks constructed by wireless LAN and wired LAN, and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

La présente invention concerne un dispositif et un procédé de reproduction de contenu capables d'afficher un contenu dans un délai court, sans manquer de scène importante. Le dispositif de reproduction de contenu (100) comprend : une unité de décision des priorités de contenu (102) qui décide de la priorité du contenu en référençant les informations d'évaluation de priorité de contenu, une unité de décision d'importance de scène (105) qui décide de l'importance d'une scène en référençant les informations d'évaluation de l'importance de la scène associées à l'importance de la scène figurant dans le contenu, une unité de décision du procédé de reproduction (106) qui décide du procédé de reproduction de contenu en référençant les informations d'évaluation du procédé de reproduction de contenu prédéfinies de sorte que les différents procédés de reproduction de contenu correspondent conformément à la priorité du contenu et la priorité des scènes, ainsi qu'une unité de commande de reproduction (107) qui réalise la reproduction du contenu en fonction du procédé de reproduction décidé par l'unité de décision du procédé de reproduction (106).
PCT/JP2006/317909 2006-09-08 2006-09-08 Dispositif et procédé de reproduction de contenu WO2008029479A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/317909 WO2008029479A1 (fr) 2006-09-08 2006-09-08 Dispositif et procédé de reproduction de contenu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/317909 WO2008029479A1 (fr) 2006-09-08 2006-09-08 Dispositif et procédé de reproduction de contenu

Publications (1)

Publication Number Publication Date
WO2008029479A1 true WO2008029479A1 (fr) 2008-03-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015216647A (ja) * 2015-06-16 2015-12-03 キヤノン株式会社 表示制御装置及び表示制御装置の制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002016858A (ja) * 2000-06-28 2002-01-18 Mitsubishi Electric Corp デジタル放送受信装置
JP2003264767A (ja) * 2001-12-28 2003-09-19 Matsushita Electric Ind Co Ltd データ再生装置及びデータ再生方法
JP2005538634A (ja) * 2002-09-13 2005-12-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ コンテンツ提示の方法及び装置
JP2006109058A (ja) * 2004-10-05 2006-04-20 Canon Inc 再生装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002016858A (ja) * 2000-06-28 2002-01-18 Mitsubishi Electric Corp デジタル放送受信装置
JP2003264767A (ja) * 2001-12-28 2003-09-19 Matsushita Electric Ind Co Ltd データ再生装置及びデータ再生方法
JP2005538634A (ja) * 2002-09-13 2005-12-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ コンテンツ提示の方法及び装置
JP2006109058A (ja) * 2004-10-05 2006-04-20 Canon Inc 再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015216647A (ja) * 2015-06-16 2015-12-03 キヤノン株式会社 表示制御装置及び表示制御装置の制御方法

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