JP2023097181A - Content analyzer and content analysis method - Google Patents

Abstract

To provide a content analyzer and a content analysis method, which enable contents to be analyzed while properly reflecting a viewer's evaluation.SOLUTION: A content analyzer comprises: a reception part that receives evaluation information on a viewer's evaluation of contents; a management part that stores content reproduction time and time of reception of the evaluation information in such a manner as to make them correspond to each other; and a display part that displays a change in the evaluation information in such a manner that it corresponds to a content reproduction time axis.SELECTED DRAWING: Figure 2

Description

The present invention relates to a content analysis device and a content analysis method.

Conventionally, as a method of analyzing content, a method of identifying the climax of each scene that constitutes the content based on the sound volume that constitutes the content is known (for example, Patent Literature 1). Also, as a method of analyzing content, a method of identifying the climax of each scene that constitutes the content based on the feature amount (for example, face, laughter, etc.) related to the video or sound that constitutes the content is known (for example, , Patent Document 2).

JP-A-2006-13796 JP-A-2008-312061

In recent years, video posting sites have been attracting attention, and there is known a technology that uses the number of times the content has been viewed, content preferences, etc. as indices for content posted on the video posting site.

However, such a technique merely presents an index for the entire content, and cannot grasp which part of the content has a high evaluation. In addition, analysis using video or voice that constitutes content cannot perform analysis that appropriately reflects viewers' evaluations.

Accordingly, the present invention has been made to solve the above-described problems, and provides a content analysis device and a content analysis method that enable analysis of content while appropriately reflecting viewer evaluations. for the purpose.

One aspect of the disclosure is a receiving unit that receives evaluation information regarding a viewer's evaluation of content, a management unit that associates and stores a reproduction time of the content and a reception time of the evaluation information, and a reproduction time of the content. and a display unit that displays the transition of the evaluation information in association with the axis.

One aspect of the disclosure includes a step A of receiving evaluation information regarding a viewer's evaluation of content, a step B of correlating and storing the reproduction time of the content and the reception time of the evaluation information, and the reproduction time of the content. and a step C of displaying the transition of the evaluation information in association with the axis.

Advantageous Effects of Invention According to the present invention, it is possible to provide a content analysis device and a content analysis method that enable analysis of content while appropriately reflecting the viewer's evaluation.

FIG. 1 is a diagram showing an analysis system 100 according to an embodiment. FIG. 2 is a diagram showing the content analysis device 20 according to the embodiment. FIG. 3 is a diagram illustrating an example of a display mode according to the embodiment; FIG. 4 is a diagram illustrating an example of a display mode according to the embodiment; FIG. 5 is a diagram illustrating an example of a display mode according to the embodiment; FIG. 6 is a diagram illustrating an example of a display mode according to the embodiment; FIG. 7 is a diagram illustrating an example of a display mode according to the embodiment; FIG. 8 is a diagram illustrating a content analysis method according to an embodiment.

Embodiments will be described below with reference to the drawings. In addition, in the following description of the drawings, the same or similar reference numerals are given to the same or similar parts. However, the drawings are schematic.

[Embodiment]
(analysis system)
An analysis system according to an embodiment will be described below. FIG. 1 is a diagram showing an analysis system 100 according to an embodiment.

As shown in FIG. 1, the analysis system 100 has a receiving device 10 and a content analysis device 20 (hereinafter, analysis device 20). The receiving device 10 and the content analysis device 20 are connected by a network 110. FIG. Although not particularly limited, the network 110 may be configured by the Internet. The network 110 may include a local area network, may include a mobile communication network, and may include a VPN (Virtual Private Network).

The receiving device 10 is a terminal used by a content viewer. The receiving device 10 may be a personal computer, a smart phone, or a tablet terminal. In FIG. 1, receiver 10A to receiver 10C are illustrated.

The analysis device 20 is a device that distributes content to the receiving device 10 . The analysis device 20 may be a personal computer, a smart phone, or a tablet terminal. Although not particularly limited, the analysis device 20 may distribute content. In such cases, analysis device 20 may be referred to as distribution device 20 .

Content may include, but is not limited to, content delivered in real time. In other words, content delivery may be live delivery or stream delivery.

Although not particularly limited, the content may be composed of two or more agendas. Two or more agendas may be set by the distributor of the content, or may be set automatically by analyzing video or audio that constitutes the content.

For example, the content may be a presentation on product introductions. In such a case, the content is an agenda such as “start”, “company introduction”, “market trend”, “product introduction 1”, “product introduction 2”, “performance”, “competitor comparison”, “price”, etc. may include

(Content analysis device)
A content analysis device according to an embodiment will be described below. FIG. 2 is a diagram showing an analysis device 20 according to an embodiment.

As shown in FIG. 2, the analysis device 20 has a communication section 21, a management section 22, a display section 23, and a control section .

The communication unit 21 is configured by a communication module. The communication module may be a wireless communication module conforming to standards such as IEEE802.11a/b/g/n, LTE, 5G, 6G, or a wired communication module conforming to standards such as IEEE802.3. good.

In the embodiment, the communication unit 21 constitutes a receiving unit that receives evaluation information regarding viewers' evaluation of content. Here, the communication unit 21 receives the evaluation information in a form associated with the reproduction time axis of the content. Specifically, the communication unit 21 receives the evaluation information together with the reproduction time of the content. The playback time of the content may be considered to be the time when the evaluation information is received on the playback time axis of the content (hereinafter referred to as reception time). For example, the evaluation information may include information shown below.

First, the evaluation information may include information for starting viewing of content (hereinafter referred to as viewing start information). The viewing start information can be considered as evaluation information in the sense that the viewer is interested in the content.

Second, the evaluation information may include information for ending viewing of the content (hereinafter referred to as viewing end information). In other words, the viewing end information is information indicating that the viewing of the content has ended. Viewing end information can be considered evaluation information in the sense that the viewer has lost interest in the content.

Thirdly, the evaluation information may include information (hereinafter referred to as reaction information) in which the viewer specifies whether the content is liked or disliked. For example, the reaction information may include a positive evaluation of the content (eg, good, like, etc.). Reaction information may include negative evaluations of the content (eg, bad, unlike, etc.). Reaction information may be specified by a button for the viewer to specify likes or dislikes. Buttons may be prepared in advance on the content viewing screen.

The management unit 22 is configured by a storage medium such as a nonvolatile memory, HDD (Hard Disk Drive), SSD (Solid State Drive), magnetic tape, or the like.

In the embodiment, the management unit 22 constitutes a management unit that associates and stores the reproduction time of the content and the reception time of the evaluation information.

The display unit 23 is configured by a display such as a liquid crystal display or an organic EL (Electro-Luminescence) display.

In the embodiment, the display unit 23 constitutes a display unit that displays the transition of the evaluation information in association with the reproduction time axis of the content. Details of the display mode will be described later, but for example, the display unit 23 may display the following information.

First, the display unit 23 may display changes in the number of viewers in association with the content reproduction time axis.

Second, the display unit 23 may display the change in the cumulative number of viewers in association with the playback time axis of the content.

Thirdly, the display unit 23 may display the transition of likes and dislikes (reaction information) to the content in association with the reproduction time axis of the content.

Fourthly, the display unit 23 may display the change in the number of quitters who have stopped viewing the content in association with the playback time axis of the content.

Controller 24 may include at least one processor. The at least one processor may be configured by a single integrated circuit or may be configured by a plurality of communicatively coupled circuits (such as integrated circuits and/or discrete circuits).

In the embodiment, the control unit 24 executes control related to distribution of content, control related to analysis of content, control related to display of analysis results, and the like.

(Display mode)
A display mode according to the embodiment will be described below. 3 to 7 are diagrams showing examples of display modes according to the embodiment.

Here, a case is exemplified where the content is a presentation on product introduction. The content may include agendas such as "start", "company profile", "market trend", "product introduction 1", "product introduction 2", "performance", "competitive comparison", "price", and the like.

First, the change in the number of viewers will be explained. As shown in FIG. 3, the display unit 23 may display the evaluation information 322A (change in the number of viewers) in association with the playback time axis 321 of the content. The display unit 23 may display the agenda 323 in association with the playback time axis 321 of the content. The number of viewers is the number of viewers viewing the content delivered in real time. For example, in the example shown in FIG. 3, it can be obtained as an analysis result that viewers are highly interested in agendas such as product introduction 1 and product introduction 2.

Secondly, changes in the cumulative number of viewers will be explained. As shown in FIG. 4, the display unit 23 may display the evaluation information 322B (transition of the total number of viewers) in association with the playback time axis 321 of the content. The display unit 23 may display the agenda 323 in association with the playback time axis 321 of the content. For example, the cumulative number of viewers may be the cumulative count of the number of viewers viewing content distributed in real time. That is, the cumulative number of viewers may be the number of viewers counted without subtracting the number of leavers. The total number of viewers may be considered to be the total number of viewers who view the content. The cumulative number of viewers may include the number of viewers who have viewed content that has been delivered in the past, assuming that the content is delivered twice or more. For example, in the example shown in FIG. 4, it can be obtained as an analysis result that viewers are highly interested in agendas such as product introduction 1 and product introduction 2.

Thirdly, reaction information will be explained. As shown in FIG. 5, the display unit 23 may display evaluation information 322C (positive evaluation (good! in FIG. 5)) in association with the playback time axis 321 of the content. The display unit 23 may display the agenda 323 in association with the playback time axis 321 of the content. In the example shown in FIG. 5, it is possible to obtain as an analysis result that the audience's evaluation is high for agendas such as product introduction 1 and product introduction 2. Similarly, as shown in FIG. 6, the display unit 23 may display evaluation information 322D (negative evaluation (bad! in FIG. 5)) in association with the playback time axis 321 of the content. The display unit 23 may display the agenda 323 in association with the playback time axis 321 of the content. In the example shown in FIG. 6, it is possible to obtain as an analysis result that the audience's evaluation of the agenda such as price is low.

Fourth, I will explain the changes in the number of people leaving. As shown in FIG. 7, the display unit 23 may display the evaluation information 322E (change in the number of leavers) in association with the playback time axis 321 of the content. The display unit 23 may display the agenda 323 in association with the playback time axis 321 of the content. The number of quitters is the number of viewers who have stopped viewing the content being distributed in real time. For example, in the example shown in FIG. 7, it is possible to obtain as an analysis result that the viewer has lost interest in an agenda such as a competitive comparison.

(Content analysis method)
The content analysis method according to the embodiment will be described below. FIG. 8 is a diagram illustrating a content analysis method according to an embodiment. FIG. 8 illustrates a case where content is distributed in real time. Also, a case in which the evaluation information is reaction information will be exemplified.

As shown in FIG. 8, in step S10, the analysis device 20 starts distributing content. For example, the content may be content related to presentations.

In step S12, the analysis device 20 transmits the content to the reception device 10. FIG. Content distribution continues until step S16.

In step S14, the analysis device 20 receives reaction information as evaluation information from the receiving device. The reception of reaction information continues until step S16.

In step S16, the analysis device 20 terminates content distribution.

In step S18, the analysis device 20 analyzes the content. For example, the analysis device 20 may display analysis results in the display modes shown in FIGS. 3 to 7. FIG.

FIG. 8 illustrates a case where the evaluation information is reaction information, but as described above, the evaluation information may be viewing start information or viewing end information. FIG. 8 exemplifies the case where the content analysis is performed after the content is distributed, but the content analysis may be performed during the content distribution.

(Action and effect)
In the embodiment, the analysis device 20 displays the transition of the evaluation information in association with the reproduction time axis of the content. According to such a configuration, since the transition of the evaluation information is associated with the playback time axis of the content, it is possible to grasp which part of the content is highly evaluated.

In the embodiment, the analysis device 20 displays an agenda that configures the content in association with the playback time axis of the content. According to such a configuration, it is possible to grasp which agenda constituting the content is highly evaluated.

[Modification 1]
Modification 1 of the embodiment will be described below. In the following, mainly the differences with respect to the embodiments will be described.

In Modification 1, the evaluation information may include viewer comments on the content. The comment may be a comment entered in an area prepared in advance (for example, a comment input field) on the content viewing screen.

In such a case, analysis device 20 may classify the comments into two or more categories by analyzing the comments. For example, a category may include ratings positive for content and negative ratings for content. In such cases, the number of positive comments may be added to, for example, the number of positive reaction information (eg, good or like) described above. Similarly, the number of negative comments may be added to the number of negative reaction information (eg, bad, unlike, etc.) described above.

Note that the categories are not limited to the evaluation that affirms the content and the evaluation that denies the content. Categories may also include other ratings. For example, other evaluations may include a neutral evaluation of the content, a 5-level evaluation of the content, a supportive evaluation of the content, and a supportive evaluation of the distributor.

[Modification 2]
Modification 2 of the embodiment will be described below. In the following, mainly the differences with respect to the embodiments will be described.

In Modification 2, the evaluation information may include the viewer's video. The video may be captured by the receiving device 10 and transmitted to the analyzing device 20 .

In such a case, analysis device 20 may classify the video into two or more categories by analyzing the video. For example, a category may include ratings positive for content (eg, smiling faces) and negative ratings for content (eg, disinterested faces). In such cases, the number of positive comments may be added to, for example, the number of positive reaction information (eg, good or like) described above. Similarly, the number of negative comments may be added to the number of negative reaction information (eg, bad, unlike, etc.) described above.

Note that the categories are not limited to the evaluation that affirms the content and the evaluation that denies the content. Categories may also include other ratings. For example, other evaluations may include a neutral evaluation of the content, a 5-level evaluation of the content, a supportive evaluation of the content, and a supportive evaluation of the distributor.

[Other embodiments]
While the present invention has been described by the above disclosure, the statements and drawings forming part of the above disclosure should not be taken as limiting the invention. Various alternative embodiments, implementations and operational techniques will become apparent to those skilled in the art from this disclosure.

In the above disclosure, reaction information includes positive ratings (eg, good, like) and negative ratings (eg, bad, unlike, etc.). However, the above disclosure is not so limited. Reaction information may include other ratings. For example, other evaluations may include a neutral evaluation of the content, a 5-level evaluation of the content, a supportive evaluation of the content, and a supportive evaluation of the distributor. In such cases, other ratings may be identified by buttons for viewer designation. Buttons may be prepared in advance on the content viewing screen.

The above disclosure illustrated the case where the content was delivered in real time. However, the above disclosure is not so limited. Content may be delivered in non-real time. In such a case, the evaluation information may be transmitted to the analysis device 20 together with the time when the evaluation information is input (hereinafter referred to as input time) on the content reproduction time axis. The input time of the evaluation information may be read as the reception time of the evaluation information.

Although not specifically mentioned in the above disclosure, analysis device 20 may display the number of viewers for each agenda. Analysis device 20 may display the cumulative number of viewers for each agenda. The analysis device 20 may display the number of leavers for each agenda.

Although not specifically mentioned in the disclosure above, the analysis device 20 may display the evaluation information for each agenda. When the evaluation information includes two or more evaluations, analysis device 20 may display the ratio of each evaluation for each agenda.

Although not specifically mentioned in the disclosure above, the agenda can be considered as a term that represents the division of the content that constitutes the content. The agenda may also be referred to as chapters, chapters, agendas, items, headings, and the like.

Although not particularly mentioned in the disclosure above, the analysis device 20 may display a comparison result with respect to other content (hereinafter referred to as reference content) as the analysis result of a certain content (hereinafter referred to as target content). The comparison result may be a comparison result regarding evaluation information (for example, the number of viewers, the cumulative number of viewers, the number of leavers, the number of reaction information) between the target content and the reference content.

In the above disclosure, delivery and transmission may be interpreted as the same term in the sense of providing content to receiving device 10 .

Although not specifically mentioned in the disclosure above, a program that causes a computer to execute each process performed by the analysis device 20 may be provided. Also, the program may be recorded on a computer-readable medium. A computer readable medium allows the installation of the program on the computer. Here, the computer-readable medium on which the program is recorded may be a non-transitory recording medium. The non-transitory recording medium is not particularly limited, but may be, for example, a recording medium such as CD-ROM or DVD-ROM.

Alternatively, a chip configured by a memory storing a program for executing each process performed by the analysis device 20 and a processor executing the program stored in the memory may be provided.

DESCRIPTION OF SYMBOLS 10... Receiver, 20... Analysis apparatus, 21... Communication part, 22... Management part, 23... Display part, 24... Control part, 100... Analysis system, 110... Network

Claims (9)

a receiving unit that receives evaluation information regarding viewer evaluation of content;
a management unit that associates and stores the reproduction time of the content and the reception time of the evaluation information;
and a display unit that displays the transition of the evaluation information in association with the reproduction time axis of the content. 2. The content analysis device according to claim 1, wherein said display unit displays an agenda constituting said content in association with a reproduction time axis of said content. 3. The content analysis apparatus according to claim 1, wherein said evaluation information includes reaction information in which said viewer designates likes or dislikes of said content. 4. The content analysis device according to any one of claims 1 to 3, wherein said evaluation information includes said viewer's comments on said content. 5. The content analysis device according to any one of claims 1 to 4, wherein said evaluation information includes video of said viewer. 6. The content analysis device according to any one of claims 1 to 5, wherein said display unit displays changes in the number of viewers of said content in association with a reproduction time axis of said content. 7. The content analysis device according to any one of claims 1 to 6, wherein said display unit displays transition of the total number of viewers of said content in association with a playback time axis of said content. 8. The content analysis device according to any one of claims 1 to 7, wherein said display unit displays a transition in the number of quitters who have stopped viewing said content in association with the reproduction time axis of said content. . Step A of receiving rating information about the viewer's rating of the content;
a step B of correlating and storing the reproduction time of the content and the reception time of the evaluation information;
and a step C of displaying the transition of the evaluation information in association with the reproduction time axis of the content.

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