JP2005260322A - Contents supplement information providing system, mobile information terminal, and server - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system wherein a user can easily acquire information for supplementing a matter of contents by using a mobile information terminal. <P>SOLUTION: An information reproducing apparatus 10 transmits a code of contents supplementing information read from a medium 40 to the mobile information terminal 30 in real time during reproduction of the medium 40. The mobile information terminal 30 transfers the code received from the information reproducing apparatus 10 to a server 50. The server 50 interprets the code received from the mobile information terminal 30, extracts the contents supplementing information corresponding to the code and transmits the extracted supplementing information to the mobile information terminal 30. The mobile information terminal 30 displays the contents supplementing information received from the server 50 to a display section 31. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a content supplement information providing system that allows a user to easily acquire information supplementing the content of content recorded on a medium such as a DVD.

  With the advent of media such as DVD (Digital Versatile Disk) that can record large amounts of data at high density, information playback devices such as DVD players that play content such as video and audio recorded on media have become widespread. It was way. In the case of a stationary DVD player, when a DVD is inserted into the disc insertion slot and a reproduction operation is started, video data and audio data recorded on the DVD are read and reproduced by an optical pickup and connected to the player A reproduced video is displayed on the monitor, and sound is output from a speaker connected to the player.

  However, in the conventional system, for example, when playing a DVD containing a movie, the title name, production company name, director name, actor name, etc. of the movie are displayed at the opening, but after the movie starts, Information about the contents of was not displayed. For this reason, for example, even if you want to know the details of the latest weapons that appear in a certain scene or the music that is playing in the background, such information could not be obtained during DVD playback.

  In Patent Document 1 below, bidirectional communication is performed between a device such as a television and a remote controller, and the state of the device (for example, a selected channel or volume) is displayed on the display unit of the remote controller. Thus, a system that can be confirmed is disclosed. However, in this system, the information displayed on the remote controller is limited to information indicating the status of the device, and information related to the content reproduced by the device is not displayed. Therefore, the above-described problems cannot be solved.

  Patent Document 2 below discloses a system in which a mobile terminal device includes a receiving device that receives a broadcast program of television or radio, and displays a video of the received broadcast program on a display unit of the mobile terminal device. It is disclosed. However, in this system, what is displayed on the mobile terminal device is a video of a program and does not display information about the content of the video, so the above-described problem cannot be solved.

JP-A-6-121380 (paragraph numbers 0006 to 0007) JP 2002-232598 A (paragraph number 0107)

  As described above, in the conventional system, it is not possible to provide the user with information related to the content reproduced by the information reproducing device, and the user cannot easily acquire such information. The present invention has been made in view of such a problem, and an object of the present invention is to realize a system in which a user can easily acquire information supplementing the content using a portable information terminal.

  The content supplement information providing system according to the first aspect of the present invention reproduces the content recorded on the media based on the information read from the media and transmits the content supplement information supplementing the content of the content. An information reproducing device and a portable information terminal that receives content supplement information transmitted from the information reproducing device. The information playback device transmits the content supplement information read from the media in real time during playback of the media, and the portable information terminal displays the content supplement information received from the information playback device.

  In this way, by transmitting supplementary information that supplements the content of the content from the information reproducing device to the portable information terminal in real time, supplementary information corresponding to the scene of the content is displayed on the portable information terminal. Supplementary information can be confirmed by looking at the portable information terminal as necessary during media playback, and it is possible to enjoy content such as movies even more than before. Further, since the supplementary information is displayed on the portable information terminal, the original image is not disturbed by the supplementary information on the screen of the monitor connected to the information reproducing device.

  The content supplement information providing system according to the second aspect of the present invention reproduces the content recorded on the media based on the information read from the media, and obtains the content supplement information code for supplementing the content of the content. An information reproducing device for transmission, a portable information terminal for receiving a code transmitted from the information reproducing device, and a server for communicating with the portable information terminal are provided. The information reproducing device transmits the code of the content supplement information read from the medium in real time during reproduction of the medium. The portable information terminal transmits the code received from the information reproducing device to the server. The server decodes the code received from the portable information terminal and extracts the content supplement information corresponding to the code, and transmits the extracted content supplement information to the portable information terminal. The portable information terminal displays the content supplement information received from the server.

  As described above, the content reproduction information code is transmitted from the information reproducing apparatus to the portable information terminal, the code is transferred from the portable information terminal to the server, and the content supplement information is extracted by the server. Since it is sufficient to record only the code and there is no need to record content supplement information such as characters and images, the amount of data recorded on the medium can be greatly reduced. In addition, by transmitting the content supplement information code from the information playback device in real time, the supplementary information corresponding to the scene of the content is displayed on the portable information terminal. By looking at the portable information terminal, supplementary information can be confirmed, and contents such as movies can be enjoyed more than ever before. Furthermore, since the supplementary information is displayed on the portable information terminal, the original video is not disturbed by the supplementary information on the screen of the monitor connected to the information reproducing device.

  In any of the above-described systems, the content supplement information can include index information including the title name of the content and commentary information on a predetermined scene of the content. The index information is information representing the bibliographic items of the content, for example, information such as a movie title name, a production company name, a director name, and an actor name. The commentary information is information that explains a specific thing that appears in a scene of the content. For example, it is a commentary on a song that is flowing in a certain scene, a commentary on a location where a certain scene was filmed, etc. is there. By displaying such commentary information on the portable information terminal in a predetermined scene, the user's understanding of the content is deepened, and entertainment can be further enhanced.

  Next, the portable information terminal according to the first embodiment of the present invention reproduces the content recorded on the media based on the information read from the media, and transmits the content supplement information supplementing the content of the content. A portable information terminal capable of communicating with an information reproducing device to receive content supplement information received in real time from the information reproducing device during media reproduction, and received by the receiving device Display means for displaying the supplementary content information.

  As described above, by receiving and displaying the content supplement information transmitted in real time from the information reproducing device, since the supplement information corresponding to the scene of the content is displayed on the portable information terminal, the user can In addition, during the reproduction of the media, the supplementary information can be confirmed by looking at the portable information terminal as necessary, and the content such as a movie can be enjoyed more than ever before. Further, since the supplementary information is displayed on the portable information terminal, the original image is not disturbed by the supplementary information on the screen of the monitor connected to the information reproducing device.

  The portable information terminal according to the second aspect of the present invention reproduces the content recorded on the media based on the information read from the media, and transmits the code of the content supplement information that supplements the content of the content. A portable information terminal capable of communicating with an information reproducing device, and receiving means for receiving a code of content supplement information transmitted in real time from the information reproducing device during reproduction of media, Transmitting means for transmitting the received code to the server, and display means for displaying content supplement information transmitted from the server based on the decoding of the code.

  In this way, the code of the content supplement information is received from the information reproducing device, the code is transferred to the server, and the content supplement information is extracted on the server side, so that the code is decoded on the portable information terminal side. Compared with the case where content supplement information is extracted, the processing load on the portable information terminal is reduced and the configuration is not complicated. In addition, since supplementary information according to the scene of the content is displayed on the portable information terminal, the user can check the supplementary information by viewing the portable information terminal as necessary during media playback. Therefore, it is possible to further enjoy content such as a movie, compared with the prior art. Furthermore, since the supplementary information is displayed on the portable information terminal, the original video is not disturbed by the supplementary information on the screen of the monitor connected to the information reproducing device.

  In any of the above-described portable information terminals, sound corresponding to the scene of the content displayed on the display means may be output. The voice includes human voices such as music and sound effects. According to this, for example, it is possible to play music along with the display of commentary information, or to output commentary information by voice.

  In any of the above-described portable information terminals, vibrations corresponding to the scenes of the content displayed on the display means may be generated. This vibration may be generated with a pattern and a period suitable for the contents of the scene. According to this, for example, in an explosion scene, it is possible to give the user excitement as if the impact of the explosion is transmitted, and to enhance entertainment.

  Next, the server according to the present invention obtains a code of content supplemental information that supplements the content of the content from an information playback device that plays back the content recorded on the media, and transmits the code to the portable information terminal. A storage device that stores content supplement information corresponding to the code, a reception unit that receives a code of content supplement information transmitted from a portable information terminal, and the reception unit Is provided with extraction means for extracting the corresponding content supplement information from the storage device based on the received code, and transmission means for transmitting the content supplement information extracted by the extraction means to the portable information terminal.

  Thus, by using a server having a storage device that stores content supplement information corresponding to a code, a large amount of content supplement information can be stored in the server, and abundant content supplement information is provided to the user. Is possible.

  ADVANTAGE OF THE INVENTION According to this invention, the system which a user can acquire easily the supplementary information of the content reproduced | regenerated with an information reproduction apparatus using a portable information terminal is implement | achieved.

  FIG. 1 is a diagram showing a first embodiment of a content supplement information providing system according to the present invention. This system includes an information reproducing device 10, a monitor 20 connected to the information reproducing device 10, and a portable information terminal 30 that can communicate with the information reproducing device 10. Here, the information reproducing apparatus 10 is a DVD player, and the portable information terminal 30 is a mobile phone. Therefore, hereinafter, the information reproducing apparatus 10 is referred to as a DVD player 10, and the portable information terminal 30 is referred to as a mobile phone 30. Reference numeral 40 denotes a DVD as a medium on which content such as video and audio and content supplement information are recorded. The content supplement information will be specifically described later. In the DVD player 10, reference numeral 14 denotes an operation unit having keys for performing various operations such as playback, stop, fast forward, and fast reverse, and 15 denotes a fluorescent tube display that displays the current time, playback time, operating state of the player, and the like. Reference numeral 17 denotes a communication unit that communicates with the mobile phone 30 and a remote controller (not shown), and 18 denotes a disk insertion slot for inserting the DVD 40. Further, in the mobile phone 30, 31 indicates an operation unit, and 33 indicates a display unit. As the monitor 20, a television receiver monitor is used, but a dedicated monitor may be used.

  FIG. 2 is a block diagram showing an electrical configuration of the DVD player 10. Here, a DVD player 10 having both information reproduction and recording functions is taken as an example. In FIG. 2, reference numeral 11 denotes a disk reading / writing unit that reads and writes information from and on the DVD 40, and includes an optical pickup and its driving unit. A signal processing unit 12 processes a video signal and an audio signal, processes a signal read from the DVD 40 by the disk reading / writing unit 11 and outputs it as a reproduction signal, and records a recording signal input from the outside. Processed and output to the disk reading / writing unit 11. Reference numeral 13 denotes a disk drive unit for driving the DVD 40, which includes a disk motor for rotating the DVD 40 and its drive circuit. Reference numerals 14 and 15 denote the operation unit and display unit described with reference to FIG. Reference numeral 17 denotes a communication unit described with reference to FIG. 1, and includes a transmission unit for transmitting data to the mobile phone 30 and a reception unit for receiving a signal from a remote controller (not shown). Reference numeral 18 denotes a control unit that controls the operation of the DVD player 10 and is constituted by a microcomputer or the like.

  FIG. 3 is a block diagram showing an electrical configuration of the mobile phone 30. Reference numeral 31 denotes an operation unit also shown in FIG. 1, and includes various keys. Reference numeral 32 denotes an audio input unit composed of a microphone or the like. Reference numeral 33 denotes the display unit also shown in FIG. Reference numeral 34 denotes an audio output unit including a speaker or the like. Reference numeral 35 denotes a communication unit that performs telephone and e-mail communication via a communication line. The communication unit 35 also has a function of receiving data transmitted from the communication unit 17 of the DVD player 10. A storage unit 36 includes a memory such as a ROM or a RAM. Reference numeral 37 denotes a vibration generating unit including a vibrator, which notifies the user of an incoming call by generating a vibration when a telephone call or an e-mail is received. Reference numeral 38 denotes a control unit that controls the operation of the mobile phone 30 and is constituted by a microcomputer or the like. In the above configuration, the display unit 33 corresponds to a display unit in the mobile phone 30, and the communication unit 35 corresponds to a reception unit and a transmission unit in the mobile phone 30.

  FIG. 4 is a diagram showing a part of the recording format in the DVD 40. FIG. 4A shows a cell that is a basic unit of content to be reproduced. Video switching is performed in units of cells. Each cell is composed of a plurality of VOBUs (video object units) as shown in FIG. Further, each VOBU includes a navigation pack N, a video pack V, an audio pack A, and a sub-picture pack SP as shown in FIG. The navigation pack N is control data located at the head of the VOBU. The video pack V is main video data obtained by compressing a video signal according to the MPEG2 (Moving Picture Experts Group phase 2) standard. The audio pack A is audio data obtained by digitizing an audio signal using a PCM (Pulse Cord Modulation) method. The sub-picture pack SP is sub-picture data obtained by run-length compression of sub-picture signals such as subtitles. Each pack is not limited to one in one cell and may be included in two or more. Conversely, a specific pack may not be included in one cell.

  In the present embodiment, content supplement information as shown in FIGS. 6 to 7 described later is recorded as sub-pictures of characters and images in the area of the sub-picture pack SP. Although subtitle information may be recorded in the sub-picture pack SP, the subtitle information and the content supplement information can be distinguished by, for example, header information placed at the head of each. Note that this supplementary information is not recorded in all the sub-picture packs SP, but is recorded in the sub-picture pack SP corresponding to a scene where supplementary information needs to be displayed. Of course, supplementary information may be recorded in all sub-picture packs SP, and the present invention does not exclude such embodiments.

  Next, provision of content supplement information in the above system will be described. FIG. 5 is a flowchart showing the procedure. The process on the DVD player 10 side is executed by a microcomputer constituting the control unit 18, and the process on the mobile phone 30 side is executed by a microcomputer constituting the control unit 38.

  When the DVD player 10 reproduces the DVD 40, the DVD player 10 is first turned on (step S1), and then the DVD 40 is inserted into the disc insertion slot 18 shown in FIG. 1 and set in the player 10 (step S2). . Thereafter, the operation unit 14 or a remote controller (not shown) is operated to start reproduction (step S3). Thereby, the disk reading / writing unit 11 (FIG. 2) reads the information recorded on the DVD 40, and the signal processing unit 12 processes the read information and outputs it as a reproduction signal. The reproduced video signal is sent to the monitor 20 and the video is displayed on the screen of the monitor 20. The reproduced audio signal is sent to a speaker (not shown), and audio is output from the speaker. The speaker may be built in the monitor 20.

  In the above reproduction process, the recorded information on the DVD 40 shown in FIG. 4C is sequentially read by the disk reading / writing unit 11 and sorted by type by the signal processing unit 12. The signal processing unit 12 collects the video pack V to generate a video stream, collects the audio pack A to generate an audio stream, and collects the sub-picture packs SP to generate a sub-video stream. Note that the content supplement information recorded in the sub-picture pack SP is distinguished from subtitles as described above, and thus is not a target of the sub-picture stream. The signal processing unit 12 outputs reproduction signals of main video, audio, and sub-video by decoding these stream data. Here, when the disk reading / writing unit 11 reads the content supplement information recorded in the sub-picture pack SP, the supplement information decoded by the signal processing unit 12 is real-time from the communication unit 17 via the control unit 18. (Step S4). Subsequently, it is determined whether or not the DVD player 10 is being reproduced (step S5). If it is being reproduced (step S5: YES), the process returns to step S4 to read the content supplement information from the DVD 40, and step S4. The process of ~ S5 is repeated. If the reproduction is not in progress (step S5: NO), the process is terminated (step S6).

  On the other hand, in the mobile phone 30, when the power is turned on (step S11) and the operation mode is set to the player communication mode by the key operation of the operation unit 31 (step S12), the mobile phone 30 enters a standby state waiting for reception (step S13). . When the content supplement information transmitted from the DVD player 10 in step S4 is received by the communication unit 35 (step S14), the received content supplement information is displayed on the display unit 33 (step S15). Thereafter, the process returns to step S13 to enter a standby state waiting for reception, and thereafter the processes of steps S13 to S15 are repeated.

  6 to 7 show an example of the content supplement information displayed on the display unit 33 of the mobile phone 30. FIG. When playback of the DVD 40 is started, the content supplement information (sub-picture) of the sub-picture pack SP of the DVD 40 is read, and as shown in FIG. 6A, the movie title name, director name, leading actor name, production Index information such as year and country is displayed in text. Subsequently, as shown in FIG. 6B, profile information such as directors and actors is displayed. Here, for example, facial photographs, biographies, highlight scenes in movies, etc. are displayed as characters and images. Subsequently, as shown in FIG. 6C, a movie story is displayed in characters. By obtaining such information, the viewer can have prior knowledge of the movie to be watched, and can enjoy the movie with deeper interest. Further, since the supplementary information is displayed not on the monitor 20 but on the display unit 33 of the mobile phone 30, the video displayed on the screen of the monitor 20 is not disturbed by the supplementary information characters or images.

  When the display of the above-described index information, profile information, etc. is completed, the content supplement information is subsequently read from the sub-picture pack SP of the DVD 40 by the disc reading / writing unit 11. Subsequent content supplement information is mainly composed of commentary information in a predetermined scene of a movie. FIG. 7 shows an example of commentary information displayed on the display unit 33 of the mobile phone 30. In FIG. 7 (a), information explaining the location where the scene was shot is displayed, in FIG. 7 (b), information about facilities appearing in the movie is displayed, and in FIG. Information about the music being played is displayed. By acquiring such commentary information in each scene, the viewer can deepen the understanding of the movie to be watched and can enjoy the movie further. In addition, since the commentary information is also displayed on the mobile phone 30 instead of the monitor 20, the video is not disturbed by the supplementary information on the screen of the monitor 20.

  In FIG. 7, the commentary information is displayed only with characters, but an image may be added to the characters for display. Further, while the movie story is in progress, not only the commentary information but also other supplementary information may be displayed in a necessary scene. For example, the profile information of an actor who appears for the first time in a certain scene can be displayed as shown in FIG.

  In another embodiment, sound corresponding to a movie scene may be output. For example, the commentary information may be output not only by characters and images but also by voice. Further, in a predetermined scene, music may be played along with the display of commentary information. In these cases, the sound is output from the sound output unit 34 of the mobile phone 30.

  Furthermore, as another embodiment, the mobile phone 30 may generate vibration according to the scene of the movie. This vibration is generated by driving the vibrator of the vibration generating unit 37. For example, in an explosion scene, when the mobile phone 30 is vibrated with a pattern and a cycle that matches the explosion sound, the viewer feels the excitement as if the impact of the explosion is transmitted through the mobile phone 30, It is possible to further enhance the amusement by giving force to the scene.

  FIG. 8 is a diagram showing a second embodiment of the content supplement information providing system according to the present invention. This system performs communication between the information reproducing apparatus 10, the monitor 20 connected to the information reproducing apparatus 10, the portable information terminal 30 capable of communicating with the information reproducing apparatus 10, and the portable information terminal 30. And server 50. Here, as in the first embodiment, the information reproducing apparatus 10 is a DVD player, and the portable information terminal 30 is a cellular phone. Therefore, hereinafter, the information reproducing apparatus 10 is referred to as a DVD player 10, and the portable information terminal 30 is referred to as a mobile phone 30. 40 is a DVD as a medium, 14 of the DVD player 10 is an operation unit, 15 is a display unit, 17 is a communication unit, and 18 is a disk insertion slot, which are the same as those in FIG. Further, 31 of the mobile phone 30 is an operation unit, and 33 is a display unit, which are also the same as those in FIG. The monitor 20 is the same as that shown in FIG.

  The electrical configuration of the DVD player 10 is the same as that shown in FIG. 2, and the electrical configuration of the mobile phone 30 is the same as that shown in FIG. In the second embodiment, the communication unit 35 of the mobile phone 30 has a function of communicating with the server 50.

  The recording format of the DVD 40 is basically the same as that in FIG. 4, but in the first embodiment, the content supplement information is recorded in the sub-picture pack SP as a sub-picture of characters or images, whereas in the second embodiment The form is different in that the content supplement information is recorded in the form of a code. The code of the content supplement information is recorded in a predetermined area of the DVD 40, for example, the area of the navigation pack N of the cell corresponding to the scene, corresponding to the scene of the movie, like the sub-picture of the first embodiment. Yes. The control information or the like in the navigation pack N and the code of the content supplement information can be distinguished by, for example, header information placed at the head of each. One code consists of, for example, 128-bit data, and the data size is very small compared to the sub-picture of the first embodiment.

  FIG. 9 is a block diagram showing an electrical configuration of the server 50. An input device 51 for inputting information includes a keyboard, a disk drive, an external interface, and the like. A communication unit 52 includes a transmission / reception circuit for performing communication with the communication unit 35 of the mobile phone 30. Reference numeral 53 denotes a memory composed of memories such as ROM and RAM, and 54 denotes a display unit for displaying information. Reference numeral 55 denotes a storage device having a large-capacity hard disk, which stores a database 56 that stores content supplement information and codes thereof. A control unit 57 controls the operation of the server 50, and includes a microcomputer. In the above configuration, the communication unit 52 corresponds to a reception unit and a transmission unit in the server 50, and the control unit 57 corresponds to an extraction unit in the server 50.

  FIG. 10 is a diagram illustrating an example of the database 56 in the server 50. The database 56 includes the above-described codes recorded on the DVD 40 and content supplement information corresponding to each code. Similar to the first embodiment, the content supplement information includes index information, profile information, story information, commentary information, and the like, and a code is assigned to each information. These pieces of information can take various forms such as characters, images, and sounds.

  Next, provision of content supplement information in the second embodiment will be described. FIG. 11 is a flowchart showing the procedure. The processing on the DVD player 10 side is executed by the microcomputer constituting the control unit 18, the processing on the mobile phone 30 side is executed by the microcomputer constituting the control unit 38, and the processing on the server 50 side is executed by the control unit 57. It is executed by a microcomputer constituting the.

  When the DVD player 10 reproduces the DVD 40, the DVD player 10 is first turned on (step S21), and then the DVD 40 is inserted into the disc insertion slot 18 shown in FIG. 1 and set in the player 10 (step S22). . Thereafter, the operation unit 14 or a remote controller (not shown) is operated to start reproduction (step S23). Thereby, the disk reading / writing unit 11 (FIG. 2) reads the information recorded on the DVD 40, and the signal processing unit 12 processes the read information and outputs it as a reproduction signal. The reproduced video signal is sent to the monitor 20 and the video is displayed on the screen of the monitor 20. The reproduced audio signal is sent to a speaker (not shown), and audio is output from the speaker. The speaker may be built in the monitor 20.

  In the above reproduction process, the recorded information on the DVD 40 shown in FIG. 4C is sequentially read by the disk reading / writing unit 11 and sorted by type by the signal processing unit 12. The signal processing unit 12 collects the video pack V to generate a video stream, collects the audio pack A to generate an audio stream, and collects the sub-picture packs SP to generate a sub-video stream. Then, by decoding the data of these streams, the main video, audio, and sub-video playback signals are output. Here, when the disc reading / writing unit 11 reads the code of the content supplemental information recorded in the navigation pack N, this code is sent from the disc reading / writing unit 11 to the control unit 18, and the communication unit 17. Is transmitted in real time (step S24). Subsequently, it is determined whether or not the DVD player 10 is being reproduced (step S25). If it is being reproduced (step S25: YES), the process returns to step S24 to read the content supplement information code from the DVD 40, The processes in steps S24 to S25 are repeated. If the reproduction is not in progress (step S25: NO), the process is terminated (step S26).

  On the other hand, in the cellular phone 30, when the power is turned on (step S31) and the operation mode is set to the player communication mode by the key operation of the operation unit 31 (step S32), the mobile phone 30 enters a standby state waiting for reception (step S33). . When the code of the content supplement information transmitted from the DVD player 10 in step S24 is received by the communication unit 35 (step S34), the received code is transferred to the server 50 (step S35).

  When the server 50 is always in a standby state (step S41) and receives the code of the content supplement information transferred from the mobile phone 30 (step S42), the content supplement information in the database 56 (FIG. 10) using this code as a key. Is searched (step S43). If there is content supplement information corresponding to the received code as a result of the search (step S44: YES), the supplement information is extracted and the extracted supplement information is transmitted from the communication unit 52 to the communication unit 35 of the mobile phone 30 ( Step S45). After the transmission, the process returns to step S41 and waits for reception of the next code from the mobile phone 30. If there is no content supplement information corresponding to the received code as a result of searching the database 56 (step S44: NO), step S45 is not executed, that is, the supplement information is not transmitted to the mobile phone 30. The process returns to S41 and waits for reception of the next code.

  In step S35, the cellular phone 30 waits for content supplement information to be sent from the server 50. When the communication unit 35 receives the content supplement information (step S36), the received supplemental information is displayed on the display unit 33. (Step S37). Thereafter, the process returns to step S33 and waits for reception of the next code from the DVD player 10.

  In the second embodiment described above, the content supplement information displayed on the display unit 33 of the mobile phone 30 is the same as that in the first embodiment. For example, the index information as shown in FIG. Profile information as shown in (b), story information as shown in FIG. 6 (c), commentary information as shown in FIGS. 7 (a) to (c), and the like are displayed by characters and images. Similarly to the first embodiment, sound may be output in addition to characters and images, and vibration may be generated in the mobile phone 30 depending on the scene. The viewer can further enjoy the movie by acquiring such information. Further, since the supplementary information is displayed not on the monitor 20 but on the display unit 33 of the mobile phone 30, the video displayed on the screen of the monitor 20 is not disturbed by characters or images of the supplementary information.

  Further, in the system of the second embodiment, the content supplement information itself is not transmitted from the DVD player 10 to the mobile phone 30, but only the supplement information code is transmitted, and this code is transferred from the mobile phone 30 to the server 50. Thus, the server 50 extracts the content supplement information. For this reason, only the code needs to be recorded on the DVD 40, and it is not necessary to record content supplement information such as characters and images, so that the amount of data recorded on the DVD 40 can be greatly reduced. Further, as compared with the case where the mobile phone 30 side decodes the code and extracts the supplementary content information, the processing load on the mobile phone 30 is reduced and the configuration is not complicated. Furthermore, by using the server 50 having the storage device 55 that stores the content supplement information corresponding to the code, a large amount of content supplement information can be accumulated in the server 50, and abundant content supplement information is provided to the user. It becomes possible.

  In the present invention, various forms other than the above-described embodiments can be adopted. For example, in the above embodiment, a DVD is taken as an example of a medium for recording content. However, the medium is not limited to a DVD or other optical disk, but may be a hard disk or a video tape. Therefore, the information reproducing device may be a hard disk recorder or a video deck. Also, the content recorded on the media is not limited to movies but may be animations or live concerts.

  In the above embodiment, the mobile phone 30 only receives information from the DVD player 10, but the mobile phone 30 is configured so that bidirectional communication can be performed between the mobile phone 30 and the DVD player 10. A function as a remote controller may be added so that the DVD player 10 can be remotely operated using the mobile phone 30.

  In addition, when the display of the content supplement information is started on the mobile phone 30, it is possible to alert the user by generating a sound notification sound or generating a vibration with a specific pattern. Good.

  In addition, in the supplementary information displayed on the display unit 33 of the mobile phone 30, when it is desired to obtain more detailed information about a specific item (for example, the leading actor), the item is selected by operating the operation unit 31. Thus, the mobile phone 30 may be connected to a predetermined home page via the Internet, and a detailed information can be obtained from the home page.

  In the above embodiment, a mobile phone is taken as an example of the mobile information terminal. However, the mobile information terminal is not limited to a mobile phone, and may be a terminal device such as a PDA (Personal Digital Assistants).

  Furthermore, in the above embodiment, the information reproducing device and the portable information terminal communicate wirelessly. However, the present invention is not limited to this, and the information reproducing device and the portable information terminal are connected by a cable. Then, communication may be performed by wire.

It is a figure which shows 1st Embodiment of the content supplement information provision system which concerns on this invention. It is the block diagram which showed the electrical structure of the DVD player. It is the block diagram which showed the electric constitution of the mobile telephone. It is the figure which showed a part of recording format in DVD. It is the flowchart which showed operation | movement of 1st Embodiment. It is an example of the content supplement information displayed on the display part of a mobile telephone. It is an example of the content supplement information displayed on the display part of a mobile telephone. It is a figure which shows 2nd Embodiment of the content supplement information provision system which concerns on this invention. It is the block diagram which showed the electrical structure of the server. It is the figure which showed an example of the database in a server. It is the flowchart which showed the operation | movement of 2nd Embodiment.

Explanation of symbols

10 DVD player (information playback equipment)
20 monitor 30 mobile phone (mobile information terminal)
33 Display unit 34 Audio output unit 35 Communication unit 37 Vibration generating unit 40 DVD
50 server 52 communication unit 55 storage device 56 database 57 control unit

Claims (8)

Based on information read from the medium, an information reproducing device that reproduces content recorded on the medium and transmits content supplement information that supplements the content of the content;
A portable information terminal for receiving content supplement information transmitted from the information playback device,
The information playback device transmits the content supplement information read from the media in real time during playback of the media,
The content supplement information providing system, wherein the portable information terminal displays content supplement information received from the information reproducing device. Based on information read from the medium, an information reproducing device that reproduces the content recorded on the medium and transmits a code of content supplemental information that supplements the content of the content;
A portable information terminal that receives the code transmitted from the information reproducing device;
A server that communicates with the portable information terminal,
The information playback device transmits in real time the code of the content supplement information read from the media during playback of the media,
The portable information terminal transmits the code received from the information reproducing device to the server,
The server decodes the code received from the portable information terminal and extracts the content supplement information corresponding to the code, and transmits the extracted content supplement information to the portable information terminal,
The portable information terminal displays content supplement information received from the server, and provides a content supplement information providing system. In the content supplement information providing system according to claim 1 or 2,
The content supplement information providing system, wherein the content supplement information includes index information including a title name of the content and commentary information in a predetermined scene of the content. Based on the information read from the media, it is a portable information terminal capable of playing back content recorded on the media and communicating with an information playback device that transmits content supplemental information that supplements the content of the content. And
Receiving means for receiving content supplement information transmitted in real time from the information playback device during playback of the media;
Display means for displaying content supplement information received by the receiving means;
A portable information terminal comprising: A portable information terminal capable of reproducing content recorded on the medium based on information read from the medium and communicating with an information reproducing device that transmits a code of content supplemental information that supplements the content of the content Because
Receiving means for receiving a code of content supplement information transmitted in real time from the information playback device during playback of the media;
Transmitting means for transmitting the code received by the receiving means to the server;
Display means for displaying content supplement information transmitted from the server based on the decoding of the code;
A portable information terminal comprising: In the portable information terminal according to claim 4 or 5,
A portable information terminal that outputs a sound corresponding to a scene of content displayed on the display means. In the portable information terminal according to claim 4 or 5,
A portable information terminal characterized by generating a vibration corresponding to a scene of content displayed on the display means. A server capable of communicating with a portable information terminal that obtains a code of content supplement information that supplements the content of the content from an information reproducing device that reproduces the content recorded on the media and transmits the code ,
A storage device storing content supplement information corresponding to the code;
Receiving means for receiving a code of content supplement information transmitted from the portable information terminal;
Extraction means for extracting the relevant content supplement information from the storage device based on the code received by the receiving means;
Transmitting means for transmitting the content supplement information extracted by the extracting means to the portable information terminal;
A server comprising:

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