JP2011015010A - Device and method of presenting contents - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously present many related contents retrieved on the basis of a keyword relating to the contents during display.SOLUTION: A caption acquisition section 201 acquires caption data included in the data of viewing contents preserved in an HDD 42 or viewing contents acquired from the outside, and a keyword extraction section 202 extracts a keyword from the caption data input from the caption acquisition section 201 and stores it in a memory 210 as keyword information. A content retrieval section 203 retrieves the relating contents on the basis of the keyword information read from the memory 210, and outputs retrieved content relating information to a content output section 204. Then, the content output section 204 outputs video signals relating to the retrieved contents to a display device 33 together with video signals relating to the viewing contents, and the display device 33 displays (presents) the images.

Description

  The present invention relates to a content presentation device and a content presentation method for searching and presenting content based on a specific keyword.

  In recent years, video and audio content has been converted into digital data and has been handled with its quality maintained. Then, the video / audio content is provided from a content server that stores the video / audio content data handled by such digital data via a network such as the Internet or CATV (Community Antenna TeleVision; cable TV; hereinafter referred to as CATV). With the spread of services and the transition from analog terrestrial broadcasting to digital terrestrial broadcasting, the volume of video and audio content is increasing.

  In addition, the capacity of an HDD (Hard Disk Drive; hereinafter referred to as HDD) used as a recording medium of an apparatus having a function of acquiring and recording such video / audio content stores a large amount of video / audio content data. Increasingly as possible.

  In other words, it is very difficult to search for content desired by the user from content stored in the HDD or content provided via a broadcast or a network. Expected.

  For example, according to Patent Document 1, a plurality of keywords are extracted and displayed in a list based on EPG data and meta information added to the content while the content is displayed, and based on the keyword selected from the list. A method for presenting retrieved Web contents and recording recording of a program is disclosed.

  Further, for example, according to Patent Document 2, keywords specified based on predetermined conditions are sequentially extracted from video, subtitles, telops, data broadcasts, text broadcasts, and the like constituting a TV program being displayed, and a Web related to the keywords is extracted. A technique for searching and presenting content such as pages has been made public.

Japanese Patent Laying-Open No. 2005-115790 (paragraph 0019 in FIG. 2) JP 2009-010797 A (FIG. 2, paragraphs 0020 and 0023)

  However, Patent Document 1 is a method in which only specific content searched based on a specific keyword selected from the extracted keyword list is presented or reserved for recording.

Japanese Patent Laid-Open No. 2004-228688 is a technique in which a content search is executed using a keyword specified based on a predetermined condition from a plurality of keywords extracted from a program.
That is, in the conventional methods according to these patent documents, the search of content based on keywords extracted from the content being displayed is limited based on a predetermined condition, and thus based on keywords related to the content being displayed. It was difficult to present many related contents to be searched simultaneously.

  Therefore, in order to solve the above-described problems, the present invention provides a content presentation apparatus and a content presentation method capable of simultaneously presenting a plurality of related contents searched based on a keyword related to the content being displayed. The purpose is to do.

  In order to solve the above-described problems, the present invention provides an extraction unit that extracts a keyword from subtitles of acquired video content, a search unit that searches for related content based on the keyword extracted by the extraction unit, and the search Presenting means for presenting search content information, which is information related to a plurality of the contents searched by the means, together with the keyword that is the basis of the search for each of the contents, and time related to presentation of the search content information presented by the presenting means Monitoring information, and when the time information has passed for a predetermined time, a presentation management unit that manages to stop presenting the search content information, the extraction unit extracts the keyword, and the search unit The content is searched, the presenting means presents the retrieved content information, and the presentation tube It means in which is characterized by comprising a control means for controlling to repeatedly perform to manage to stop the presentation of the search content information.

  In addition, in order to solve the above-described problem, the present invention relates to information relating to the plurality of searched contents by extracting a keyword from subtitles of the acquired video content, searching for related content based on the extracted keyword, and The search content information is presented together with the keyword that is the basis of the search for each of the contents, the time information related to the presentation of the presented search content information is monitored, and when the time information has passed a predetermined time, the search content The management is performed to stop the presentation of information, the keyword is extracted, the content is searched, the search content information is presented, and the management is performed to stop the presentation of the search content information. It is characterized by controlling.

  ADVANTAGE OF THE INVENTION According to this invention, many related content searched based on the keyword relevant to the content currently displayed can be shown simultaneously.

The block diagram which shows the structure of the personal computer which is a content presentation apparatus which concerns on embodiment of this invention. The figure which shows the structure of the program which presents the several content searched based on the keyword extracted from the caption data contained in the acquired video / audio content for a predetermined time. The flowchart of the process which presents several content searched based on the keyword extracted from the caption data contained in the acquired video / audio content for a predetermined time. The figure which shows the graphic screen with which the viewing-and-listening content display screen containing a specific subtitle, and the some search content presentation screen based on this subtitle are shown. The figure which shows the viewing-and-listening content display screen in which a new subtitle is included, and the graphic screen on which the some new search content presentation screen based on this new subtitle is shown.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a personal computer that is a content presentation apparatus according to an embodiment of the present invention. In this embodiment, an example in which the content presentation apparatus is applied to a personal computer is shown. However, an HDD recorder, a DVD recorder, a television receiver, a portable mobile terminal, or the like having the same configuration as in this embodiment may be used.

  The personal computer 10 includes a CPU 20, a north bridge 30, a main memory 31, a graphics controller 32, a display 33, a south bridge 40, a BIOS (Basic Input Output System; hereinafter referred to as BIOS) -ROM 41, an HDD 42, an ODD (Optical Disk Drive). Optical disk drive; hereinafter referred to as ODD) 43, controller unit 44, tuner unit 45, communication unit 46, USB_IF unit 47, operation unit 48, and the like.

  The CPU 20 is a processor that controls the operation of the personal computer 10 and executes an operating system (hereinafter referred to as OS) and various application programs loaded from the HDD 42 to the main memory 31. The CPU 20 also executes a BIOS program stored in the BIOS-ROM 41.

  The north bridge 30 is a bridge device that is connected to the CPU 20 via a bus such as an FSB (Front Side Bus; hereinafter referred to as FSB) and further connected to the south bridge 40. The north bridge 30 communicates with the graphics controller 32 via an AGP (Accelerated Graphics Port; hereinafter referred to as AGP) bus, and is also connected to the main memory 31.

  The main memory 31 stores the OS and various application programs that are loaded from the HDD 42 and executed by the CPU 20. That is, the work memory of the CPU 20.

  The graphics controller 32 is a display controller that controls the display device 33 included in the personal computer 10, performs predetermined processing on the data of the video signal input from the north bridge 30, and outputs the processed data to the display device 33.

  The display device 33 is a display module that displays a video signal input via the graphics controller 32, and is a thin display such as an LCD (Liquid Crystal Display; hereinafter referred to as LCD). In the present embodiment, a viewing content display screen that displays information related to viewing content that is video and audio content that is currently output for viewing, and search content presentation that displays information related to search content that is searched based on keywords. Display the screen. The display device 33 may be provided outside the personal computer 10.

  The south bridge 40 is a bridge device that controls various I / O devices. A tuner unit 45 is connected to the south bridge 40 via a communication bus such as PCI Express. The south bridge 40 is connected to the BIOS-ROM 41, the HDD 42, the ODD 43, the controller unit 44, the communication unit 46, and the USB_IF unit 47 via various buses.

The BIOS-ROM 41 stores a BIOS program.
The HDD 42 stores an OS and various application programs to be loaded into the main memory 31, and is also used as a work memory when the CPU 20 executes various programs. The HDD 42 stores video / audio content data including caption data acquired via the tuner unit 45, the communication unit 46, the USB_IF unit 47, and the like. In the present embodiment, the HDD 42 extracts a keyword from the subtitles of the acquired content, stores a program for executing processing for searching and presenting related content based on the keyword, and executing the program. Also used as work memory. Further, the HDD 42 stores the acquired video / audio content data.

The ODD 43 reads data from a loaded optical disk and records data on a recordable optical disk.
The controller unit 44 is a one-chip microcomputer in which a keyboard controller and a mouse controller for controlling the operation unit 48 are integrated.
The tuner unit 45 performs channel selection and demodulation / decoding processing on a specific channel with respect to the digital broadcast wave received by the antenna AT, so that video / audio content such as program data including subtitle data in addition to the video / audio data is displayed. Data is output to the south bridge 40. In particular, the tuner unit 45 performs channel selection and demodulation / decoding processing on the terrestrial digital broadcast wave program data including caption data and outputs the program data.

  The communication unit 46 exchanges data with an external device connected to an information providing site or a home network connected to a network such as the Internet or CATV via a LAN or the like. In the present embodiment, in processing for obtaining video / audio content data including caption data provided via the Internet or a CATV network, and performing a search for a plurality of contents based on a specific keyword, the Internet Exchanges data related to content search with external devices and servers connected to the network, home servers connected to the home network, and the like.

  The USB_IF unit 47 communicates with the connected USB device UD based on the USB standard to exchange data. In particular, the USB_IF unit 47 communicates with an external HDD that stores video / audio content data including caption data, and exchanges data related to the stored video / audio content.

The operation unit 48 is a pointing device such as a keyboard, a mouse, a touch pad, and a pen tablet.
With such a configuration, the personal computer 10 according to the present embodiment allows the keyword extracted from the video / audio content stored in the HDD 42 or the caption data of the video / audio content acquired from a terrestrial digital broadcast wave, CATV, a home server, or the like. Based on the above, it is possible to search for a plurality of contents related to the keyword and present them for a predetermined time.

  Next, using FIG. 2, a keyword is extracted from the caption data included in the acquired video / audio content, which is executed by the personal computer 10 according to the present embodiment, and a plurality of items searched based on the extracted keyword are searched. The structure of a processing program for presenting the content of a predetermined time will be described.

  FIG. 2 is a diagram showing a structure of a program that presents a plurality of contents searched based on keywords extracted from caption data included in acquired video / audio contents for a predetermined time.

  This program includes a caption acquisition unit 201, a keyword extraction unit 202, a content search unit 203, a content output unit 204, a timer 205, and the like, and the main memory 31 or the HDD 42 includes a memory 210.

  The caption acquisition unit 201 acquires the caption data included in the video / audio content stored in the HDD 42 or the video / audio content data acquired through the tuner unit 45, the communication unit 46, the USB_IF unit 47, and the like. The data is output to the extraction unit 202. For example, when the video / audio content has a data format based on the MPEG standard, the caption data can be obtained by extracting a caption PES (Packetized Elementary Stream; hereinafter referred to as PES) packet. Note that the caption acquisition unit 201 may output the time when the caption data is acquired to the keyword extraction unit 202 together.

  The keyword extraction unit 202 analyzes the caption data input from the caption acquisition unit 201 using a technique such as morphological analysis or syntax analysis based on a statistical technique, extracts a specific keyword, and extracts the extracted keyword Is stored in the memory 210. Note that the keyword extraction unit 202 may be configured to store in the memory 210 time information such as the time when the keyword is extracted or the time when the caption acquisition unit 201 acquires the caption data in association with the keyword information.

  The content search unit 203 reads the keyword information stored in the memory 210 at a predetermined cycle, and is connected via the communication unit 46, the USB_IF unit 47, and the like based on the read keyword information, and accumulates video and audio content. The related content is searched from the server, recording medium, or HDD 42. Since the content search unit 203 accesses the memory 210 at a predetermined cycle, only the keyword information newly stored in the memory 210 can be read. The content search unit 203 also searches for related content based on meta information such as the genre and title of the viewing content.

  Further, the content search unit 203 acquires the search content related information related to the search content, and associates the acquired search content related information with the keyword information that is the basis of the search content search, and outputs it to the content output unit 204 To do. Note that the content search unit 203 also associates the time information associated with the keyword information and the time information such as the time when the search content related information is acquired, which is read from the memory 210, in association with the search content related information and the keyword information. You may output to the output part 204. FIG.

  The content output unit 204 performs decoding processing or video processing on the viewing content stored in the HDD 42 or the video / audio data extracted from the viewing content data acquired through the tuner unit 45, the communication unit 46, the USB_IF unit 47, or the like. Predetermined processing such as audio signal separation processing is performed, a video signal related to the viewing content is output to the display device 33, and an audio signal is output to a speaker (not shown). The content output unit 204 also outputs a video signal related to the search content generated based on the plurality of search content related information and keyword information input from the content search unit 203 to the display unit 33.

  Further, the content output unit 204 manages time information related to the time when the video signal is output to the display device 33 based on the time counted by the timer 205, and when a predetermined time has elapsed since the video signal was output. Then, the output of the output video signal is stopped, and the display 33 is controlled to stop displaying this video (the display 33 erases this video). The content output unit 204 may control the video displayed by the display unit 33 based on various time information input from the content search unit 203 instead of the time information related to the time when the video signal is output.

  Further, the user may arbitrarily set a predetermined time as a basis when the content output unit 204 stops outputting the output video signal on the user interface screen.

The timer 205 is a timer that measures time based on a clock signal having a predetermined period.
The memory 210 stores keyword information and time information output from the keyword extraction unit 202, and these pieces of information are read by the content search unit 203. The memory 210 may be in a form using a buffer memory (not shown) provided in the CPU 20 or the like instead of being provided in the main memory 31 or the HDD 42.

  That is, according to the program structure described above, the personal computer 10 according to the present embodiment allows the audio / video content stored in the HDD 42 or the caption data of the audio / video content acquired from a terrestrial digital broadcast wave, CATV, a home server, or the like. It is possible to extract a keyword from, search a plurality of contents related to the extracted keyword, and further execute a process of presenting information related to the searched contents together with the content being viewed for a predetermined time. .

  Next, with reference to FIG. 3, a procedure for extracting a keyword from subtitle data included in the acquired video / audio content and presenting a plurality of contents searched based on the extracted keyword for a predetermined time will be described. .

  FIG. 3 is a flowchart of a process of presenting a plurality of contents searched based on keywords extracted from caption data included in acquired video / audio contents for a predetermined time.

  This process is to repeatedly execute a series of processes described below. First, the process starts from a step of determining whether to execute or stop this process.

  That is, first, it is determined whether this process is to be executed or stopped (S301). When this process is stopped (N in S301), this process ends and this process is executed (Y in S301). The execution of this process is continued. Next, the content output unit 204 outputs a video signal related to the viewing content stored in the HDD 42 or the viewing content acquired through the tuner unit 45, the communication unit 46, the USB_IF unit 47, and the like, and displays the video signal on the display unit 33. In this state, the caption acquisition unit 201 acquires caption data included in the viewing content data (S302).

  Then, the keyword extraction unit 202 extracts keywords from the caption data input from the caption acquisition unit 201 and stores them as keyword information in the memory 210 (S303).

  Further, the content search unit 203 reads the keyword information stored in the memory 210, searches for related content based on the read keyword information, and outputs the search content related information to the content output unit 204 (S304). .

  Then, the content output unit 204 outputs the video signal related to the search content based on the information input from the content search unit 203 together with the video signal related to the viewing content to the display device 33. The display device 33 is based on these video signals. The screen is displayed (presented) (S305).

  The content output unit 204 includes time information related to the time when the video signal related to the search content is output, time information associated with the keyword information input from the content search unit 203, time when the search content related information is acquired, and the like. Based on the time information, it is determined whether or not a predetermined time has passed with respect to the output of the video signal related to the specific search content (S306).

  If the predetermined time has not elapsed (N in S306), it is determined again whether to execute or stop the process, the caption data is acquired, the keyword is extracted from the caption data, and the keyword A series of processes for searching for content based on the above and presenting the searched content is executed.

  On the other hand, when the predetermined time has elapsed (Y in S306), the content output unit 204 stops outputting the video signal relating to the search content for which the predetermined time has elapsed (timed out), that is, the display device 33 displays the video signal. Is deleted and no longer displayed (S307).

  Further, the series of processes described above is repeated thereafter. However, an embodiment in which the process is stopped at an arbitrary step when interruption of the process is requested during the series of processes may be employed.

  Further, when the interruption of the series of processing is requested and the processing is stopped, the display device 33 continues to display the currently displayed video signal, and further when the restart of the series of processing is requested. The processing may be resumed.

  That is, in accordance with the flowchart described above, information regarding a plurality of contents searched based on keywords extracted from subtitle data included in the acquired video / audio contents is presented for a predetermined time, and this series of processes is requested until a process stop is requested. This process is repeatedly executed.

Next, the viewing content display screen and the search content presentation screen displayed on the display device 33 will be described with reference to FIGS.
This description is an example in which the graphic screen shown in FIG. 5 is displayed after the graphic screen shown in FIG. 4 is displayed.
FIG. 4 is a diagram illustrating a graphic screen on which a viewing content display screen including a specific subtitle and a plurality of search content presentation screens based on the subtitle are presented, and FIG. 5 includes a new subtitle. It is a figure which shows the viewing-and-listening content display screen and the graphic screen on which the some new search content presentation screen based on this new subtitle is shown.

  First, a viewing content display screen 410 and a plurality of search content presentation screens 420, 430, 440, and 490 are displayed on the graphic screen 400 displayed on the display device 33 of the personal computer 10 shown in FIG. The viewing content display screen 410 and the search content presentation screens 420, 430, 440, and 490 are graphic images generated by an application program executed by the CPU 20.

  The viewing content display screen 410 includes a viewing video display area 411 that is an area for displaying the video of the viewing content, and a caption display area 412 that is an area for displaying the current caption of the video. The subtitle display area 412 may not be displayed in a partial area of the viewing video display area 411 but may be displayed in an individual area.

  The search content presentation screen 420 displays a search content information display area 421 that is an area for displaying information related to the search content, an area for displaying keyword information and meta information (genre, title, etc.) that are the basis of the search of the search content. The search condition display area 422 is provided.

  Here, the information related to the search content displayed in the search content information display area 421 includes a thumbnail composed of a moving image or a still image based on the video of the search content, text information such as the content title and broadcast time, genre, and the like. It is associated and displayed as an icon consisting of a picture or character. The search condition display area 422 may be displayed in a separate area instead of being displayed in a part of the search content information display area 421.

  Further, each of the search content presentation screens 430, 440, and 490 includes search content information display areas 431, 441, 491 and search condition display areas 432, 442, 492, similar to the search content presentation screen 420.

  Specifically, the video of the content whose genre is “soccer” as the meta information is displayed in the viewing video display area 411 of the viewing content display screen 410, and “× ○ stadium is used in the world tournament in the subtitle display area 412. An example in which the subtitle “ta” is displayed will be described.

  In this example, a search is performed based on “soccer” that is the genre of the current viewing content, information on the search content whose genre is “soccer” is displayed on the search content presentation screen 420, and is extracted from the current subtitles. Information related to the search content searched based on the keywords “× ○ stadium” and “world tournament” is displayed on the search content presentation screens 430 and 440.

  Note that the keyword “lawn” displayed in the search condition display area 492 of the search content presentation screen 490 is “lawn”, which is a keyword extracted from the previous caption, and the keyword “lawn” is displayed in the search content information display area 491. Information related to the search content searched based on “lawn” is displayed.

  That is, information on a plurality of search contents searched based on keywords extracted from the previous subtitle and the current subtitle is displayed on the plurality of search content presentation screens.

  Next, the graphic screen 500 displayed on the display device 33 of the personal computer 10 shown in FIG. 5 includes a viewing content display screen 510 and a plurality of search content presentation screens 420, 430, 440, 520, 530, 540, 550 is displayed. The viewing content display screen 510 and the search content presentation screens 420, 430, 440, 520, 530, 540, and 550 are graphic images generated by an application program executed by the CPU 20.

  The screen structure of the viewing content display screen 510 is the same as that of the viewing content display screen 410 shown in FIG. 4, and the screen structure of the search content presentation screens 520, 530, 540, and 550 is the search shown in FIG. Since it is the same as the content presentation screens 420, 430, 440, and 490, description thereof is omitted.

  Specifically, in each of the screens shown in FIG. 5, the genre that is meta information is “soccer” in the viewing video display area 511 of the viewing content display screen 510, following the viewing content display screen 410 shown in FIG. An example in which a video of content is displayed and a new subtitle “Keeper was from the land and was called a samurai” is displayed in the subtitle display area 512 will be described.

  In this example, not only the search content presentation screens 420, 430, and 440, but also new search content searched based on “keeper”, “land”, and “samurai” that are new keywords extracted from the current subtitles. Information on the search content presentation screens 520, 530, 540, and 550 is displayed.

  It should be noted that the search content presentation screen 490 that displays information related to the search content searched based on the keyword “lawn” displayed on the graphic screen 400 shown in FIG. The signal is erased because a predetermined time has passed.

  In addition, the search content presentation screen that is newly displayed, such as the relationship between the newly displayed search content presentation screen 520 and the previously displayed search content presentation screen 420, is the search that has been previously displayed. You may make it display on the front surface superimposed on a content presentation screen. Further, when a plurality of contents are searched for a specific keyword (in this example, “land”) as in the search content presentation screens 530 and 540, information on the plurality of search contents is displayed as a plurality of search contents. It may be displayed on a presentation screen.

  Furthermore, when the user requests “pause” while the graphic screen shown in FIG. 4 or 5 is displayed, the display device 33 continues to display the currently displayed video signal. Further, after that, when the user requests “restart”, the process may be restarted.

  Further, for example, in the state where the graphic screen shown in FIG. 5 is displayed, any search content presentation screen 520 is selected to be displayed for viewing from among a plurality of currently displayed search content presentation screens. In such a case, the content displayed for viewing on the current viewing content display screen 410 is replaced with the content presented on the search content presentation screen 520, and the replaced content is newly output for viewing. You may control to do.

  That is, each time a new subtitle is displayed in the subtitle display area 512 of the viewing content display screen 510 in this way, a plurality of new search content presentation screens are displayed, and the search determined that a predetermined time has elapsed. The operation of deleting the content presentation screen is repeatedly executed.

  As described above, according to the present embodiment, based on the video / audio content stored in the HDD 42 or the keyword extracted from the subtitle data of the video / audio content acquired from the terrestrial digital broadcast wave, CATV, home server, or the like, Since a plurality of contents related to the keyword are searched and presented for a predetermined time, a plurality of related contents searched based on the keyword related to the displayed content can be presented simultaneously.

  The present invention is not limited to the above-described embodiments, and various changes and modifications can be made without departing from the scope of the present invention.

  DESCRIPTION OF SYMBOLS 10 ... Personal computer, 20 ... CPU, 30 ... North bridge, 31 ... Main memory, 32 ... Graphics controller, 33 ... Display, 40 ... South bridge, 41 ... BIOS-ROM, 42 ... HDD, 43 ... ODD, 44 ... Controller part, 45 ... Tuner part, 46 ... Communication part, 47 ... USB_IF part, 48 ... Operation part, 201 ... Subtitle acquisition part, 202 ... Keyword extraction part, 203 ... Content search part, 204 ... Content output part, 205 ... Timer, 210 ... Memory, 410, 510 ... Viewing content display screen, 420, 430, 440, 490, 520, 530, 540, 550 ... Search content presentation screen.

Claims (9)

Extraction means for extracting keywords from the subtitles of the acquired video content;
Search means for searching for related content based on the keyword extracted by the extraction means;
Presenting means for presenting search content information, which is information related to a plurality of the contents searched by the search means, together with the keyword that is the basis of the search for each of the contents;
A presentation management unit that monitors time information related to the presentation of the search content information presented by the presentation unit, and manages to stop the presentation of the search content information when the predetermined time has elapsed;
The extraction means extracts the keyword, the search means searches for the content, the presentation means presents the search content information, and the presentation management means manages to stop presenting the search content information Control means for controlling to repeatedly execute
The content presentation apparatus characterized by comprising.   The content presentation apparatus according to claim 1, wherein the search content information presented by the presentation unit is a thumbnail, text, or video.   2. The content presentation apparatus according to claim 1, wherein the extraction unit extracts the keyword also from meta information related to the video content.   The content presentation apparatus according to claim 1, wherein the presentation management unit permits a user to set the predetermined time.   The control means pauses the repeated execution when requested to stop the repeated execution, and further repeats when the restart is requested in a state where the repeated execution is suspended. The content presentation apparatus according to claim 1, wherein execution is resumed.   When it is requested to output the content related to the search content information presented by the presenting means for viewing, the content is viewed for viewing instead of the content currently output for viewing. The content presentation device according to claim 1, wherein the content presentation device outputs the content to the content.   2. The content presentation according to claim 1, wherein when presenting the new search content information, the presenting means presents the search content information so as to be superimposed on the search content information previously presented. apparatus.   The content presentation apparatus according to claim 1, wherein, when a plurality of the contents are searched based on the specific keyword, the presenting means presents all the searched contents. Extract keywords from the subtitles of the acquired video content,
Search for relevant content based on the extracted keywords,
Presenting the search content information, which is information related to the plurality of the searched contents, together with the keyword that is the basis of the search for each of the contents;
Monitoring the time information related to the presentation of the presented search content information, and managing to stop the presentation of the search content information when the time information has passed a predetermined time;
Controlling to repeatedly execute extracting the keyword, searching the content, presenting the search content information, and managing to stop presenting the search content information;
A content presentation method characterized by the above.

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