JP2008167018A - Recording / playback device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a recording and reproducing device for notifying a user of accurate information while saving the time and effort of inputting user registration data or the like. <P>SOLUTION: The recording and reproducing device 3 adds meta data to each scene of a video recorded program, extracts a keyword on the basis of viewing history and the meta data, and transmits the keyword to a recommendation information distribution server 9. The recommendation information distribution server 9 transmits recommendation information based on the keyword, to the recording and reproducing device. The recording and reproducing device 3 can notify the user of accurate information on the basis of the received recommendation information. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a recording / playback apparatus, and more particularly to a recording / playback apparatus that divides a recorded program into scenes, extracts keywords related to a scene in which the user is interested, and notifies the user of recommended information based on the keywords.

  As a conventional technique, a preference analyzer that grasps a user's preference and provides the user with a program according to the preference is known (for example, see Patent Document 1).

  The preference analysis device is analyzed by a reception unit that receives a broadcast program, a preference analysis unit that analyzes user preferences based on the received broadcast program and user registration data registered in advance by the user, and a preference analysis unit. And an information guidance processing unit for providing a program or content according to the user's preference.

According to this preference analysis device, the preference analysis unit acquires viewing history data including the program code of the broadcast program received by the receiving unit, and the program code included in the viewing history data and user registration data registered in advance by the user. A keyword representing the feature of the content specified by is acquired. Next, the information processing guide provides the user with a program or content based on the keyword.
JP 2005-258870 A

  However, since the conventional preference analysis apparatus provides a program or content to a user based on a keyword for each program, it is impossible to know exactly which part of the program has the user's preference, and accurate information Cannot be notified to the user. Further, there is a trouble that the user inputs user registration data in advance.

  Accordingly, an object of the present invention is to provide a recording / playback apparatus that saves the input of user registration data and the like and notifies the user of appropriate information.

(1) In order to achieve the above object, the present invention provides a recording / playback unit for recording and reproducing a program, a storage unit for storing program data of the program, a scene dividing unit for dividing the program into scenes, Based on the metadata and the viewing history, the metadata creating unit that creates metadata from which features have been extracted, adds the metadata to the program data, the viewing history creation unit that creates the viewing history of the scene, A video recording / playback apparatus comprising: a keyword extraction unit that extracts a keyword; a transmission unit that transmits the keyword; and a reception unit that receives recommendation information based on the keyword transmitted by the transmission unit. Provided.

  According to this configuration, the user can obtain accurate recommendation information.

(2) In order to achieve the above object, the present invention achieves the above-described object, a recording / reproducing unit for recording and reproducing a program, a storage unit for storing program data of the program, a scene dividing unit for dividing the program into scenes, A metadata creation unit that creates metadata from which features are extracted and adds the metadata to the program data, a bookmark creation unit that creates a bookmark indicating an arbitrary playback position of the program, and the scene including the bookmark A keyword extracting unit for extracting a keyword of the scene based on the metadata added to the metadata; a transmitting unit for transmitting the keyword; and a receiving unit for receiving recommendation information based on the keyword transmitted by the transmitting unit. And a recording / reproducing apparatus.

  According to this configuration, the user can obtain accurate recommendation information related to a scene in which the user is interested.

(3) In order to achieve the above object, the present invention creates a recording / playback unit that records and plays back a program, a scene division unit that divides the program into scenes, and metadata that characterizes the scene. A metadata creation unit to be added to the program, a bookmark creation unit to create a bookmark indicating an arbitrary playback position of the program, and a keyword extraction to extract a keyword based on the metadata added to the scene including the bookmark A transmission unit that transmits the keyword, a reception unit that receives recommendation information based on the keyword transmitted by the transmission unit, an HTML data generation unit that generates HTML data based on the recommendation information, There is provided a recording / playback apparatus comprising a control unit that causes the transmission unit to transmit HTML data.

  According to this configuration, the user can view accurate recommendation information related to a scene in which the user is interested from an external device connected to the network.

  According to the present invention, it is possible to save the trouble of inputting user registration data and notify the user of accurate information.

  Embodiments of a recording / playback apparatus according to the present invention will be described below in detail with reference to the drawings.

[Embodiment]
(Recommendation information receiving system)
FIG. 1 is an example of a schematic diagram of a recommended information communication system according to an embodiment of the present invention.

  The recommended information communication system 1 includes a home network 2 composed of devices having an indoor communication function, a recording / reproducing device 3 having a communication function, and recording / reproducing a broadcasted program, and the recording / reproducing device 3. The remote control 4 that can remotely operate the recording / playback apparatus 3 by acting on the interface (I / F) section of the above, the image display device 5 for displaying the program played back by the recording / playback apparatus 3, and the communication function, the recording / playback A PC (Personal Computer) 6 as an external device that displays a Web page created by the device 3, an Internet 7 that is a collection of nets, a video content distribution server 8 that distributes video content, and a recording / playback device 3 extract The recommendation information is created based on the keyword, and the recommended information distribution server 9 for distribution and the product recommended based on the recommendation information are purchased. Rukoto and a EC (Electronic Commerce) server 10 which may.

  FIG. 2 is a block diagram showing a schematic configuration of the recording / playback apparatus according to the embodiment of the present invention.

  The recording / playback apparatus 3 includes a system LSI (Large Scale Integration) 30 that processes digital video, and a signal receiver 31 that receives and demodulates the digital video signal. Other receiving functions than digital video include 3D YC separation 38 that separates video signals into luminance and color signals, an A / D unit 39a for receiving output signals from analog tuners, and an external video device. An A / D unit 39b that performs analog-to-digital conversion, and a ghost reduction 39c that reduces ghosts generated on the screen.

  The system LSI 30 is used for a DEMUX (De-MultiXer) 300 that receives a digital signal or a digitized analog signal from the signal receiving unit 31 and separates it into video, audio, and program information, and for digital broadcasting, DVD, and the like. MPEG-2 decoder 301 for decoding the standard MPEG-2, a graphic engine 302 for rendering the decoded image signal, and an output signal to be output to the image display device 5 And a digital format converter 303.

  The CPU 304 is connected to each unit on the system LSI 30 and controls each unit. In addition, the hard disk 32 that stores images and programs for internal processing from the CPU 304, operation command reception of the remote controller 4, connection to an external device, and an operation switch (not shown) provided in the main body function unit. / F unit 33, controller LSI 34 for connecting to an external storage device (not shown), LAN processing LSI 35 for communicating with the outside via the home network 2 and the Internet 7, and data such as an external storage device (not shown) are copied The flash memory 36 for saving and the SRAM 37 for temporarily saving the data being processed by the CPU 304 are expanded and connected.

  The signal receiving unit 31 is connected to an external antenna (not shown) to receive a digital terrestrial broadcast, a demodulator A312 to demodulate an output from the digital tuner A310, and an external antenna (not shown) to connect the BS and BS. It has a digital tuner B311 that receives CS broadcasts, and a demodulator B313 that demodulates the output from the digital tuner B311.

(Configuration of main unit software)
FIG. 3 is an example of a schematic diagram showing the configuration of the main body software according to the embodiment of the present invention.

  Main unit software 320 for controlling the recording / reproducing apparatus 3 and data related to each unit are stored in the hard disk 32 shown in FIG. 2 and have the configuration shown in FIG. The operation of the main body software 320 is controlled by the CPU 304 shown in FIG.

  The main body software 320 includes a TSP (Transport Stream Processor) unit 320A for performing TS (Transport Stream Processor) separation processing such as filtering the broadcast station packets received by the signal receiving unit 31 and the like, and EPG (Electronic Program Guide) data 321. EPG management unit 321A for managing content, recording / playback unit 322A for controlling recording of content as a program and playback of recorded content 322, creation of metadata 323 that characterizes content, and creation of metadata to be added to the corresponding content The unit 323A, the recorded content 322 are analyzed under predetermined conditions, divided into scenes, and the scene dividing unit 324A that creates the scene data 324, and the playback position or program that the user likes Operates the remote controller 4 at the recording position to create the learning metadata 326 from the bookmark creation unit 325A for creating the bookmark data 325 for recording the playback time and the like and the operation history of the scene viewed by the user. A preference learning unit 326A that creates a keyword 326b that reflects a user's preference from the metadata 326, a recommendation information management unit 327A that manages recommendation information 327 from the recommendation information distribution server 9, and HTML data 328 from the recommendation information 327 A web page creation unit 328A that creates a web page based on the HTML data 328, and a playlist creation unit 329A that creates playlist data 329 in which scenes in a predetermined section before and after the bookmarked playback position are automatically registered. Have

(Configuration of remote control)
FIG. 4 is an example of a plan view showing the configuration of the remote control according to the embodiment of the present invention.

  The remote controller 4 includes a TV function operation switch group 400 for performing TV power supply and channel operation, a router video changeover switch 401 for switching between video display and router display, a display function operation switch 402 capable of switching the screen display mode, A bookmark switch 403A that instructs the bookmark creation unit 325A to create bookmark data 325 when pressed in a scene that the user wants to register, a scene display switch 403B that displays a scene, and recommendation information 327 transmitted from the recommendation information distribution server 9 Recommended information display switch 403C for displaying a web page, web page display switch 403D for displaying a web page, scene skip switch 404 capable of rewinding and fast-forwarding in units of scenes, and recording / reproducing for controlling video recording and playback. Having an operation switch group 405, and a numeric input switch group 406 for numeric input.

(Operation of the embodiment)
The operation of the recommendation information receiving system according to the embodiment of the present invention will be described below with reference to FIGS. 1 to 4 and the flowcharts of FIGS.

(Recommended by passive preference learning)
FIG. 5 is a flowchart regarding the recommendation by passive preference learning according to the embodiment of the present invention. The recording / playback unit 322A acquires a stream of a desired program from the TSP unit 320A based on the EPG data 321 acquired from the EPG management unit 321A, and creates program data.

  The scene division unit 324A analyzes the program data and divides it into scenes. The metadata creation unit 323A adds scene division information and metadata that characterizes the scene to the program data, and accumulates them as recorded content 322 in the hard disk 32. (S1). The recorded content 322 is video data, image data, music data, and the like, and the scene is video data in the present embodiment, but is not limited thereto.

  Here, as an example of the method for dividing the scene of the program data, the cheerfulness is extracted from the program data and analyzed, and not only the cheerfulness but also the brightness, hue, sound level, applause and excitement index of the program data It may be extracted from the above, or may be extracted in combination, and is not limited to this. In addition, metadata that characterizes a scene is extracted by analysis of voice recognition, subtitles, telop information, and the like, and added to the divided scenes.

  The preference learning unit 326A as the viewing history creating unit records the viewing history each time the user performs an operation on the recorded content 322, and creates learning metadata 326a. (S2).

  The viewing history is, for example, operations such as reproduction, fast forward, and rewind, and scene metadata 323 including the time position at which the operation was performed is also recorded.

  For example, the preference learning unit 326A analyzes and learns a plurality of scenes that have been played a predetermined number of times or more, and extracts the keyword 326b from the metadata 323 included in the scene (S3). Further, the preference learning unit 326A analyzes and learns each time an operation is performed on the recorded content 322, and updates the keyword 326b.

  The learning metadata 326a may be created by learning based on a technique such as a Bayesian network.

  Here, the keyword 326b is, for example, the type of program, the title of the program, the content of the program, the performer of the program, the product related to the program, the location related to the program, and the like, but is not limited thereto.

  During the reproduction of the recorded content 322, the user presses the recommended information display switch 403C of the remote controller 4 to request the recommended information 327 (S4).

  The CPU 304 receives the operation signal from the remote controller 4 at the I / F unit 33, and transmits the keyword 326 b from the LAN processing LSI unit 35 to the recommended information distribution server 9 according to the operation signal.

  Based on the keyword 326b transmitted from the recording / reproducing apparatus 3, the recommendation information distribution server 9 creates recommendation information 327 by performing matching processing (matching) with program-related information, product information, and the like as an example (S5). The recommendation information 327 is transmitted to the recording / reproducing apparatus 3. The recommendation information 327 includes program information similar to a program, program information similar to a title, other program information in which a performer appears, product information related to a product, location information related to a location, and the like. It is not limited to.

  When the recommended information 327 is received by the LAN processing LSI unit 35, the CPU 304 of the recording / playback apparatus 3 displays the recommended information 327 together with the currently displayed image on the image display device 5 via the DEMUX 300 or the like (S6).

  The recording / reproducing apparatus 3 not only displays the recommendation information 327 on the image display device 5 but also transmits the recommendation information 327 to the web page creation unit 328A, and the web page creation unit 328A creates HTML data 328 from the recommendation information 327. Then, a Web page is created based on the HTML data 328 (S7).

  When the user depresses the Web page display switch 403D of the remote controller 4, the recommendation information 327 is displayed on the screen of the image display device 5 as a Web page.

  When the target information is displayed on the screen, the user can display more detailed recommendation information 327 by operating the remote controller 4.

  Here, when the user operates the PC 6 connected to the recording / reproducing apparatus 3 in the home network 2, the recommendation information 327 can be received from the recording / reproducing apparatus 3. The user operates the PC 6 to request the recommendation information 327 from the recording / playback apparatus 3.

  The CPU 304 of the recording / reproducing apparatus 3 receives the request information at the LAN processing LSI unit 35 of the recording / reproducing apparatus 3, reads the HTML data 328 from the hard disk 32 based on the request information, and transmits it from the LAN processing LSI unit 35 to the PC 6 ( S8).

  The PC 6 receives the HTML data 328 and displays the HTML data 328 using, for example, a Web browser (S9).

  As an example, the HTML data 328 includes related product information, and has link destination information for the EC server 10 to which the related product information is distributed.

  When the user selects a link of related information displayed on the PC 6 (S10), the PC 6 reads the corresponding Web page from the EC server 10 that is the selected link destination, and displays the Web page on the screen (S11). .

  For example, the user can purchase a product or search for a product related to the product by looking at the Web page of the related product displayed on the screen of the PC 6, but the present invention is not limited to this.

  Since the user can check the recommended information 327 not only by the recording / reproducing apparatus 3 but also by the PC 6, the operability is good and it is easy to check related information based on the recommended information 327.

(Recommended for active bookmarks)
FIG. 6 is a flowchart regarding recommendation corresponding to the active bookmark according to the embodiment of the present invention. The recording / playback unit 322A acquires a stream of a desired program from the TSP unit 320A based on the EPG data 321 acquired from the EPG management unit 321A, and creates program data.

  The scene division unit 324A analyzes the program data and divides it into scenes, and the metadata creation unit 323A adds metadata as scene division information to the program data and stores it as recorded content 322 in the hard disk 32 (S20). ).

  The user registers the bookmark by pressing down the bookmark switch 403A of the remote controller 4 in order to store the scene having the information of interest during playback or recording of the recorded content 322 (S21).

  Here, the user can view a bookmarked scene at any time by bookmarking a scene that suits his / her preference, and can obtain recommendation information 327 related to the scene. After viewing the program, the user can call the bookmarked scene and check the recommendation information 327.

  The CPU 304 of the recording / playback apparatus 3 receives the instruction information from the remote controller 4 at the I / F unit 33, and the bookmark creation unit 325A creates the bookmark data 325 based on the instruction information.

  The preference learning unit 326A analyzes the scene including the bookmarked time position and extracts the keyword 326b.

  Also, the playlist creation unit 329A creates playlist data 329 from the playback time of the recorded content 322 registered as a bookmark (S22).

  As an example, the playlist is displayed as a list on the image display device 5 and can be skipped to the time position recorded in the playlist data 329 by selecting and pointing with the remote controller 4.

  As an example, during the reproduction of the recorded content 322, the user requests the recommendation information 327 by depressing the recommendation information display switch 403C of the remote controller 4 (S23).

  The CPU 304 receives the operation signal from the remote controller 4 at the I / F unit 33, and transmits the keyword 326 b from the LAN processing LSI unit 35 to the recommended information distribution server 9 according to the operation signal.

  Based on the keyword 326b transmitted from the recording / reproducing apparatus 3, the recommendation information distribution server 9 creates recommendation information 327 by performing matching processing (matching) with program-related information, product information, and the like as an example (S24). The recommendation information 327 is transmitted to the recording / reproducing apparatus 3.

  When the recommended information 327 is received by the LAN processing LSI unit 35, the CPU 304 of the recording / playback apparatus 3 causes the image display device 5 to display the recommended information 327 together with the currently displayed image via the DEMUX 300 or the like (S23).

  The recording / reproducing apparatus 3 not only displays the recommendation information 327 on the image display device 5 but also transmits the recommendation information 327 to the web page creation unit 328A, and the web page creation unit 328A creates HTML data 328 from the recommendation information 327. Then, a Web page is created based on the HTML data 328 (S26).

  When the user depresses the Web page display switch 403D of the remote controller 4, the recommendation information 327 is displayed on the screen of the image display device 5 as a Web page.

  When target information is displayed on the screen, the user can operate the remote controller 4 to display more detailed recommendation information 327 information.

  Here, when the user operates the PC 6 connected to the recording / reproducing apparatus 3 in the home network 2, the recommendation information 327 can be received from the recording / reproducing apparatus 3. The user operates the PC 6 to request the recommendation information 327 from the recording / playback apparatus 3.

  The CPU 304 of the recording / reproducing apparatus 3 receives the request information at the LAN processing LSI unit 35 of the recording / reproducing apparatus 3, reads the HTML data 328 from the hard disk 32 based on the request information, and transmits it from the LAN processing LSI unit 35 to the PC 6 ( S27).

  The PC 6 receives the HTML data 328 and displays the HTML data 328 using, for example, a Web browser (S28).

  As an example, the HTML data 328 includes related product information, and has link destination information for the EC server 10 to which the related product information is distributed.

  When the user selects a link of related information displayed on the PC 6 (S29), the PC 6 reads the corresponding Web page from the EC server 10 that is the selected link destination, and displays the Web page on the screen (S30). .

(Process for playing back scenes on the PC)
FIG. 7 is a flowchart relating to processing for reproducing a scene on the PC side according to the embodiment of the present invention.

  The preference learning unit 326A of the recording / playback apparatus 3 creates recommendation information playlist data access destination information 330 to which the recommendation information 327, playlist data 329, and access destination data are added, and transmits this to the web page creation unit 328A. The web page creation unit 328A creates HTML data 328 from the recommended information playlist data access destination information 330, and creates a web page based on the HTML data 328 (S40).

  Here, when the user operates the PC 6 connected to the recording / reproducing apparatus 3 in the home network 2, the recommendation information 327 can be received from the recording / reproducing apparatus 3. The user operates the PC 6 to start a Web browser and requests the recording / playback apparatus 3 to transmit HTML data 328.

  The CPU 304 of the recording / playback apparatus 3 having the Web server function receives the request information at the LAN processing LSI unit 35 of the recording / playback apparatus 3, reads out the HTML data 328 from the hard disk 32 based on the request information, and from the LAN processing LSI unit 35. It transmits to PC6 (S41).

  The PC 6 receives the HTML data 328 and displays a web page by a web browser based on the HTML data 328 (S42).

  Here, the recording / reproducing apparatus 3 has a DMS (Digital Media Server) function corresponding to DLNA (Digital Living Network Alliance) and DLNA standards, and functions as a video server. The PC 6 has a Web viewer having a DMP (Digital Media Player) function corresponding to the DLNA standard.

  DLNA is a standard in which products of member companies are compatible with each other and enable a network between electronic devices in a home. The recording / playback apparatus 3 corresponding to DLNA also functions as a server.

  The recording / playback apparatus 3 as the video server receives the scene playback instruction information from the PC 6 and transmits the corresponding playlist content from the recorded content 322 to the PC 6 based on the playlist data 329 (S43).

  The PC 6 receives the playlist content and displays it on the screen (S44), and the user can view the playlist content on the screen of the PC 6.

(Effect of embodiment)
The recording / playback apparatus 3 according to the present embodiment can notify the user of recommended information related to a scene that suits the user's preference by dividing the recorded program into scenes and creating metadata for each scene. it can. Further, the user can obtain recommendation information and related product information from the PC 6 connected to the recording / playback apparatus 3 via the home network 2. By registering a bookmark with a scene in which the user is interested, the recommended information of the scene including the time position can be acquired, and the recommended information can be confirmed at any time without disturbing the viewing of the program. In addition, the user can easily understand the relationship between the recommendation information and the program and scene.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from or changing the technical idea of the present invention.

It is an example of the schematic diagram of the recommendation information communication system which concerns on embodiment of this invention. It is a block diagram which shows schematic structure of the video recording / reproducing apparatus regarding embodiment of this invention. It is an example of the schematic diagram showing the structure of the main body software which concerns on embodiment of this invention. It is an example of the top view which shows the structure of the remote control which concerns on embodiment of this invention. It is a flowchart regarding the recommendation by the passive type preference learning which concerns on embodiment of this invention. It is a flowchart regarding the recommendation corresponding to the active bookmark which concerns on embodiment of this invention. It is a flowchart regarding the process for reproducing | regenerating the scene which concerns on embodiment of this invention by PC side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Recommended information communication system, 2 ... Home network, 3 ... Recording / reproducing apparatus, 4 ... Remote control, 5 ... Image display apparatus, 6 ... PC, 7 ... Internet, 8 ... Video content delivery server, 9 ... Recommendation information delivery server, 10 ... EC server, 31 ... Signal receiving unit, 32 ... Hard disk, 33 ... I / F unit, 34. ..Controller LSI, 35 ... LAN processing LSI, 36 ... Flash memory, 37 ... SRAM, 38 ... 3D YC separation, 39a ... A / D section, 39b ... A / Part D, 39c ... Ghost reduction, 300 ... DEMUX, 301 ... MPEG-2 decoder, 302 ... Graphic engine, 303 ... Digital format converter, 304 ... CPU, 310... Digital tuner A, 311... Digital tuner B, 312... Demodulator A, 313. Demodulator B, 320. ..EPG data, 321A ... EPG management unit, 322 ... recorded content, 322A ... recording / playback unit, 323 ... metadata, 323A ... metadata creation unit, 324 ... scene data 324A ... scene division unit, 325 ... bookmark data, 325A ... bookmark creation unit, 326A ... preference learning unit, 326a ... learning metadata, 326b ... keyword, 327 ...・ Recommended information, 327A ... Recommended information management unit, 328 ... HTML data, 328A ... Web page creation unit, 329 ... Elist data, 329A ... Playlist creation unit, 330 ... Recommended information playlist data access destination information, 400 ... Television function operation switch group, 401 ... Router video changeover switch, 402 ... Display Function operation switch, 403A ... bookmark switch, 403B ... scene display switch, 403C ... recommendation information display switch, 403D ... Web page display switch, 404 ... scene skip switch, 405 ... record Reproduction operation switch group, 406... Numeric input switch group

Claims (14)

A recording / playback unit for recording and playing back a program;
A storage unit for storing program data of the program;
A scene division unit for dividing the program into scenes;
A metadata creating unit that creates metadata obtained by extracting features of the scene, and adds the metadata to the program data;
A viewing history creation unit for creating a viewing history of the scene;
A keyword extraction unit that extracts keywords based on the metadata and the viewing history;
A transmission unit for transmitting the keyword;
A recording / reproducing apparatus comprising: a receiving unit that receives recommendation information based on the keyword transmitted by the transmitting unit.   The recording / reproducing apparatus according to claim 1, wherein the scene dividing unit divides the program into the scenes based on at least one of audio and images of the program.   The recording / playback apparatus according to claim 1, wherein the viewing history creation unit creates the viewing history including the number of times the scene is viewed.   The recording / playback apparatus according to claim 1, wherein the keyword extraction unit extracts at least one of text data and audio analysis associated with the program and extracts the keyword. The receiving unit receives request information transmitted from a connected external device,
6. The recording / playback according to claim 5, wherein the transmission unit transmits at least one of the recommendation information and the data related to the scene based on the recommendation information based on the received request information. apparatus. A recording / playback unit for recording and playing back a program;
A storage unit for storing program data of the program;
A scene division unit for dividing the program into scenes;
A metadata creating unit that creates metadata obtained by extracting features of the scene, and adds the metadata to the program data;
A bookmark creation unit for creating a bookmark indicating an arbitrary playback position of the program;
A keyword extraction unit that extracts keywords of the scene based on the metadata added to the scene including the bookmark;
A transmission unit for transmitting the keyword;
A recording / reproducing apparatus comprising: a receiving unit that receives recommendation information based on the keyword transmitted by the transmitting unit.   The keyword extraction unit includes the keyword including at least one of the type of the program, the title of the program, the content of the program, the performer of the program, the product related to the program, and the location related to the program. The recording / playback apparatus according to claim 6, wherein the recording / playback apparatus is extracted.   The receiving unit includes at least one of program information similar to the program, program information similar to the title, other program information in which the performer appears, product information related to the product, and location information related to the location The recording / playback apparatus according to claim 6, wherein the recommendation information including one is received. The receiving unit receives request information transmitted from a connected external device,
The recording / playback apparatus according to claim 6, wherein the transmission unit transmits at least one of data related to the scene corresponding to the bookmark and the recommendation information based on the received request information. . A recording / playback unit for recording and playing back a program;
A scene division unit for dividing the program into scenes;
Creating metadata characterizing the scene and adding the metadata to the program;
A bookmark creation unit for creating a bookmark indicating an arbitrary playback position of the program;
A keyword extraction unit for extracting a keyword based on the metadata added to the scene including the bookmark;
A transmission unit for transmitting the keyword;
A reception unit that receives recommendation information based on the keyword transmitted by the transmission unit and information related to the recommendation information;
An HTML data creation unit for creating HTML (Hyper Text Markup Language) data based on the bookmark and the recommendation information;
And a control unit that causes the transmission unit to transmit the HTML data.   The keyword extraction unit includes the keyword including at least one of the type of the program, the title of the program, the content of the program, the performer of the program, the product related to the program, and the location related to the program. The recording / playback apparatus according to claim 10, wherein the recording / playback apparatus is extracted.   The receiving unit includes at least one of program information similar to the program, program information similar to the title, other program information in which the performer appears, product information related to the product, and location information related to the location 11. The recording / reproducing apparatus according to claim 10, wherein the recommendation information including one is received.   11. The HTML data creation unit creates the HTML data including link destination information accessible to at least one of the data related to the scene corresponding to the bookmark and the recommendation information. The recording / reproducing apparatus described in 1. The receiving unit receives request information transmitted from a connected external device,
The said transmission part makes the said transmission part transmit at least 1 among the data relevant to the said scene corresponding to the said bookmark, and the said recommendation information based on the received said request information, The said transmission part is characterized by the above-mentioned. Recording and playback device.

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