JP2014235304A - Background video display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display not only uniform background video but also various types of video having high relevance with karaoke music which is currently being played.SOLUTION: The background video display system comprises: video camera systems 80 which are installed on a plurality of locations for photographing scene video of the locations respectively; photographing means selection means 48 which, when any one of karaoke music is performed, selects at least one video camera system 80 installed on a location associated with the karaoke music; and background video display means 49 which receives scene video transmitted from the selected video camera system 80 and displays the video as scene video of karaoke music to be played.

Description

  The present invention relates to a background video display system, and more specifically, when playing a karaoke song, the background video displayed together with the lyrics telop on the display device is replaced with a video prepared in advance for the karaoke song, The present invention relates to a background video display system capable of displaying a real-time local video related to the karaoke music.

  In a conventional karaoke system, a background video is prepared for each karaoke song, and when playing a karaoke song, a background image associated with the karaoke song is displayed. That is, song data of karaoke music and background video data are managed in association with each other. Generally, a background video linked to the karaoke music is displayed on the display device as the karaoke music is played. It has become so.

  Further, there is disclosed a karaoke system that not only displays a uniform background video but also selectively switches a background video according to a user's request or displays a live video as a background video. (See Patent Document 1). The karaoke system described in Patent Document 1 includes a video acquisition unit that acquires an external video captured by a camera, and a network unit that transmits the external video acquired by the video acquisition unit. When displaying lyrics along with the background video on the display unit, the external video acquired by the video acquisition means can be displayed.

  Furthermore, a video / audio data providing apparatus capable of providing real-time video (television video currently being broadcast) is disclosed (see Patent Document 2). In the technique described in Patent Document 2, when an information output device requests provision of a television image, the input / output control unit of the information providing device instructs the switching device to enter the first state. The video encoder converts the video signal input from the tuner into a digital data sequence, encodes it, and outputs it as a video data sequence. The video packetizer packetizes the video data sequence input through the switching device according to the MPEG standard, and outputs the packet to the multiplexer as a video packet sequence. The multiplexer is configured to output the video packet sequence and the audio packet sequence sent from the audio packetizer as a video / audio stream according to the MPEG standard to the head amplifier through the output interface.

JP 2002-297167 A Japanese Patent Laid-Open No. 9-93499

  As described above, there is a technique that prevents the background video displayed on the display device from being uniform with the performance of the karaoke music. However, with such conventional technology, it cannot be said that the karaoke song being played and the background image to be displayed are related, and the background image that is completely unrelated to the karaoke song is not displayed. , It will cut the interest of singers and other users participating in karaoke.

  In addition, in order to associate the karaoke song being played with the displayed background video, for example, a place related to the lyrics of the local song is shot in real time with a video camera, and the real-time video is displayed as the background video. Can be considered. However, in so-called night shops such as snacks, it is common to perform karaoke singing at night, and when the real-time video at night is used as the background video, the video that cannot be identified as the background video (for example, lack of illuminance) It is also possible that a video that cannot be identified is displayed. In addition, an image that cannot be identified as a background image (for example, an image in which nothing is displayed) may be displayed due to a communication line failure or bad weather. With such a background image displayed, the interest of the singer and other users participating in karaoke can be cut off even though he / she tried to display a landscape image related to each karaoke song. become.

  The present invention has been proposed in view of the above-described circumstances, and can display not only a uniform background video but also a wide variety of videos highly relevant to the karaoke song being played. An object is to provide a background video display system. It is another object of the present invention to display an appropriate landscape video as a background video when displaying a landscape video.

  The background video display system of the present invention has been proposed in view of the above-described circumstances, and has the following features. That is, the background video display system of the present invention is a background video display system capable of displaying a landscape video related to the karaoke music piece as a background video when playing the karaoke music piece at the karaoke performance terminal. The communication means, the photographing means selection means, and the background video display means are provided.

  The photographing means is a means for photographing a landscape image at each of the points installed at a plurality of points. The communication means is means for transmitting and receiving data between the photographing means and the karaoke performance terminal. The photographing means selection means is a means for selecting at least one photographing means installed at a point related to the karaoke music piece when playing any karaoke music piece. The background video display means is means for receiving the landscape video transmitted from the selected photographing means and displaying it as the background video of the karaoke song to be played.

  In addition to the above-described means, the background video display system of the present invention associates the music identification information of each karaoke music piece with the photographing means identification information of the photographing means installed at a point related to each karaoke music piece. It is possible to provide a music-specific photographing means selection table. In this case, the photographing means selecting means selects the photographing means related to the karaoke music piece to be played based on the music-specific photographing means selection table.

  In addition to the above-described means, the background video display system of the present invention includes a landscape video recording unit that records a landscape video shot by the shooting unit, and a landscape video that is currently being shot by the selected shooting unit. It is possible to provide background video determination means for determining whether or not it can be identified. In this case, the background video display means displays the recorded landscape video as the background video when it is determined that the landscape video currently being shot by the selected shooting means cannot be identified as the background video.

  Further, in the case of the configuration including the background video determination means, the background video display means can be identified as the background video by the background video determination means from the scenery video that is currently being shot by the selected shooting means. The determined landscape video can be displayed as a background video.

  The background video display system configured as described above displays the video of the video cameras installed in various places such as the title of the karaoke song, the contents of the lyrics, the place of birth of the artist, the scenic place representing the four seasons, etc. as the background video. For this purpose, photographing means (video camera systems) are installed at a plurality of points to photograph landscape images.

  Then, the photographing means installed at a location related to the karaoke music is selected by the function of the photographing means selection means, and the landscape video photographed by the photographing means is transmitted to the karaoke terminal by the function of the communication means. The karaoke performance terminal displays the received landscape image as a background image to be displayed on the display device as the karaoke music is played.

  In order to select the shooting means, a song-specific shooting means selection table is created by associating the music identification information of each karaoke song with the shooting means identification information of the shooting means installed at a point related to each karaoke song. The photographing means installed at a point related to the karaoke piece to be played may be selected.

  Also, there are cases where a landscape video shot by a shooting means is inappropriate for a background video. For example, in the case of a video that cannot be identified at night, such as a communication line failure or bad weather (for example, a video with insufficient illuminance or nothing). In this case, it is only necessary to record a landscape video photographed by the landscape video recording means and display the recorded landscape video as a background video instead of an unidentifiable video. In addition, when a plurality of shooting means are selected for one karaoke piece, a landscape video determined to be identifiable from among the landscape videos shot by other shooting means is displayed as a background video. Also good.

  According to the background video display system of the present invention, a shooting means is installed at a plurality of points to shoot a landscape video, and when a karaoke piece is played, a landscape shot by a shooting unit set at a point related to the karaoke piece. The video can be a background video.

  Therefore, it is possible not only to display a uniform background video but also to display a wide variety of videos highly relevant to the karaoke piece being played.

  In addition, when the landscape video captured by the imaging means is a video that cannot be identified due to reasons such as nighttime, communication line failure, bad weather, etc. (for example, video with insufficient illuminance or nothing), A landscape video or the like recorded by the landscape video recording means can be displayed as a background video, or a landscape video determined to be identifiable as a background video can be displayed as a background video.

  Therefore, an inappropriate video that cannot be identified as a background video is not displayed, and it is possible to enhance the interest of singers and other users participating in karaoke.

The block diagram which shows the structure of the karaoke system to which the background image display system which concerns on embodiment of this invention is applied. Explanatory drawing which shows the structure of the imaging | photography means selection table according to music. The flowchart which shows the display procedure of a background image.

  An embodiment of a background video display system of the present invention will be described with reference to the drawings. 1 to 3 show a background video display system according to an embodiment of the present invention. FIG. 1 is a block diagram showing a configuration of a karaoke system to which the background video display system is applied. FIG. FIG. 3 is a flowchart showing a background video display procedure.

<Overview of background video display system>
The background video display system 10 according to the embodiment of the present invention not only displays a uniform background video but also a system capable of displaying a wide variety of videos highly relevant to the karaoke song being played. As shown in FIG. 1, as a main component, a photographing means (video camera system 80), a communication means (data communication line 70), a photographing means selection means 48, and a background video display means 49 are provided. And. Further, it may be configured to include a music-specific photographing means selection table 45c, a landscape video recording means 85, and a background video determination means 83. Each means transmits and receives signals via the karaoke performance terminal 30 and its associated devices, the video camera 81 and its associated devices installed at a plurality of points, the data communication line 70 such as the Internet, and the data communication line 70. It is realized by the equipment.

  In the following description, a program is a logic that can be stored in a RAM or the like and executed by hardware such as a CPU, so that not only software that exhibits the function but also an equivalent function can be achieved. It is a concept that includes a circuit.

<Karaoke performance terminal>
The karaoke performance terminal 30 to which the background video display system 10 according to the embodiment of the present invention is applied includes a karaoke main body 40, a karaoke remote control device 31, a speaker 32, a microphone 33, a display device 34, and a mixing amplifier 35, as shown in FIG. It has. The karaoke performance terminal 30 of the present embodiment is network-connected to the management server 60 and video camera systems 80 installed at a plurality of points via the router 20 and the data communication line 70.

<Management server>
The management server 60 is a server for managing member information, distributing music data and the like to the karaoke performance terminal 30, and publishing recorded recording data. The data communication line 70 may be any line depending on the environment, such as an Internet line, a digital communication line, an analog communication line, a wireless communication line, or a LAN. It is preferable to use a VPN constituted by the Internet in that it is difficult to hear and tamper with the network and is an inexpensive communication network without monopolizing the bandwidth. Further, as a function of the management server 60, a function of relaying between each karaoke performance terminal 30 and the selected video camera system 80 may be provided. In this case, the music-specific photographing means selection table 45c may be stored in a storage device such as an HDD constituting the management server 60. The music-specific photographing means selection table 45c will be described in detail later.

  Instead of realizing the above-described plurality of functions by the single management server 60, a server specialized for each function may be provided, and each function may be realized by each server. At this time, one server can have a plurality of functions by using a virtualization technique. In the present embodiment, a communication network including the router 20 and the data communication line 70 functions as a communication unit for transmitting and receiving data between the video camera system 80 and the karaoke performance terminal 30.

<Photographing means>
The photographing means is installed at a plurality of points, and includes a device and a control program for photographing a landscape image at each point. In the present embodiment, a video camera system 80 including a video camera 81, a shooting control unit 82 such as a focusing device, a zooming device, and a pan / tilt device, a background video determination unit 83, and a data transmission / reception device 84 functions as a shooting unit. The data transmitter / receiver 84 includes a device and a program for transmitting landscape video data to the karaoke performance terminal 30 based on a transmission request signal for landscape video data from the karaoke performance terminal 30.

  The point where the video camera system 80 is installed can be, for example, a point related to the title of karaoke music, the contents of lyrics, the place of birth of the artist, or a scenic point representing the four seasons. In addition, the video camera system 80 already installed by the local government or other organizations can be used.

<Landscape video recording means>
Further, the video camera system 80 can include landscape video recording means 85. The landscape video recording means 85 is a device for recording and reproducing the landscape video shot by the video camera 81, and is composed of a video recorder or the like. Instead of installing the background video determination unit 83 and the landscape video recording unit 85 at the installation point of the video camera 81, the background video determination unit is connected to a server (for example, the management server 60) connected to the video camera system 80 via a network. 83 and landscape video recording means 85 are preferably installed. This facilitates maintenance of the landscape video recording means 85 and the like, and even if the video camera 81 and its associated devices and the data communication line 70 are out of order, the recorded landscape video and other video cameras can be used. A landscape image captured by the system 80 can be used.

  The recording timing of the landscape video can be set as appropriate according to the shooting environment, but for example, recording is performed at the same time every day (bright time zone), when the weather is good, when the cherry blossoms, autumn leaves, etc. are beautiful be able to. Furthermore, only a sharp image may be stored as a recorded video based on the selection instruction input by the administrator.

<Background video determination means>
The background video determination means 83 includes a program for determining whether or not a landscape video currently being shot by the selected video camera system 80 can be identified as a background video. In other words, the landscape video shot by the selected video camera system 80 is inappropriate video that cannot be identified due to reasons such as nighttime, communication line failure, bad weather, etc. (for example, insufficient illuminance or nothing is shown) Video).

  In this case, even if the selected landscape image is displayed as the background image, the interest of the singer and other users participating in karaoke is cut off. In particular, in so-called night stores such as snacks, karaoke singing is generally performed at night, and scene images shot at night are insufficient in illuminance and often cannot identify a subject to be shot (landscape). It should be noted that it is possible to determine that the background image can be identified in the case where the night view is famous or in the case of a landscape image with sufficient illuminance even at night. As described above, the background video determination unit 83 may be a component of a server (for example, the management server 60) for managing the video camera system 80.

<Karaoke remote control device>
The karaoke remote control device 31 has a user interface function, and transmits / receives data to / from the local transmission / reception means 46 of the karaoke main body 40 by a wired method or a wireless method. The karaoke remote control device 31 includes a program functioning as a music search means 31a, a music index database 31b, a data storage unit 31c for storing various data, an input / output display unit 31d for inputting / outputting data, and the like. ing. A music selection operation or the like is performed by operating switches attached to the karaoke remote controller 31 or various icons displayed on the input / output display unit 31d.

<Music search means / music index database>
The music search means 31a is composed of a program for searching for music by referring to the music index database 31b based on a user instruction. The music index database 31b is a database in which attribute information of karaoke music used for performance at the karaoke performance terminal 30 is described. For example, the music number, song name, artist name, lyrics of the singing part, popular season, music This includes various attribute information such as genre classification and whether or not it is a duet song.

<Microphone>
The microphone 33 is a device for inputting singing voice. The singing voice signal inputted from the microphone 33 is mixed and amplified by the mixing amplifier 35 with the performance voice signal sent from the music reproduction control means 50 and outputted to the speaker 32. The voice input signal from the microphone 33 is digitally converted by the A / D converter 51 and used for singing scoring in a singing scoring means (not shown).

<Display device>
The display device 34 is a device for displaying a background video, lyrics telop, and the like related to karaoke music, and is configured by, for example, a liquid crystal display.

<Karaoke body>
The karaoke main body 40 includes a network transmission / reception means 41, a central control means 42, a ROM 43, a RAM 44, an HDD 45, a local transmission / reception means 46, a reservation management means 47, a photographing means selection means 48, a background video display means 49, a music playback control means 50, A / D converter 51 and video reproduction control means 52 are provided.

<Central control means>
The central control means 42 is a means for comprehensively controlling the karaoke main body 40 and is constituted by, for example, a CPU and its peripheral devices, and is controlled by the CPU or the like operating according to a program stored in the ROM 43 or the like. The function can be demonstrated.

<ROM / RAM>
The ROM 43 is a device for storing program data and numerical data for controlling each device constituting the karaoke main body 40, and is composed of, for example, a semiconductor memory. The RAM 44 functions as a temporary storage area for temporarily storing programs and various data, and is constituted by, for example, a semiconductor memory. Instead of configuring the RAM 44 with a physical semiconductor memory, the virtual RAM 44 may be configured using a hard disk storage device or the like.

  In the present embodiment, a reservation queue 44 a is stored in the RAM 44. Note that the reservation queue 44a is a data table in which music IDs are arranged in order of performance for karaoke music reserved for music selection, and other identification data such as a user ID of a music reservation reservation user is linked. There is also.

<HDD>
The HDD 45 functions as a large-capacity storage device, and stores a music database 45a, a video database 45b, and a music-specific photographing means selection table 45c. Note that a large-capacity storage device such as a DVD capable of rewriting data may be used instead of the HDD 45 or together with the HDD 45.

<Music database / video database>
The music database 45a is a database configured by associating music control data (MIDI standard data) and lyrics rendering data in synchronization with music IDs. The performance control data is digital data for controlling the performance of each musical piece, and the lyric rendering data includes display timing data and color change data of lyric characters synchronized with the performance. The video database 45b is a database in which a predetermined number of background videos corresponding to the karaoke music to be played are stored as video files corresponding to the music ID of the karaoke music.

<Song-based shooting means selection table>
The song-specific shooting means selection table 45c includes song identification information (music ID) of each karaoke song and shooting means identification information (shooting means ID) of the video camera system 80 installed at a location related to each karaoke song. This is a linked data table. As described above, each karaoke piece and the related point are, for example, a point related to the title of each karaoke piece, the contents of the lyrics, the place of birth of the artist, or a scenic point representing the four seasons. Etc.

  The song-specific shooting means selection table 45c is, for example, a data table in which music IDs and shooting means IDs are linked as shown in FIG. The music shooting means selection table may be manually input by the administrator using a keyword input means, or a keyword is automatically extracted from the song name and lyrics, and based on this keyword, the song ID and It may be automatically generated by associating the photographing means ID. Further, the music-specific photographing means selection table 45c may be stored in a server (for example, the management server 60) for managing the video camera system 80 as described above.

<Transmitting / receiving means>
The local transmission / reception means 46 includes an electronic circuit and a program for transmitting / receiving data between the karaoke main body 40 and the karaoke remote control device 31. In the present embodiment, data transmission / reception is performed between the karaoke main body 40 and the karaoke remote control device 31 by infrared communication. In the present embodiment, network transmission / reception means 41 for transmitting / receiving data to / from the router 20 is provided.

<Reservation management means>
The reservation management means 47 includes a program for creating and managing a reservation queue 44a including the music ID of the selected karaoke music when an arbitrary user makes a music selection reservation. That is, the reservation management means 47 creates a reservation queue 44a by arranging the music IDs selected by the user using the function of the music search means 31a in the order of performance, and stores and manages this reservation queue 44a in the RAM 44. . Further, when the user ID of the music selector is included in the reservation queue 44a, it is necessary to acquire the user ID.

  The user ID is acquired based on the user ID and password input by using the input / output display unit 31d of the karaoke remote controller 31 by reading the user ID stored in the user ID card with a card reader. That's fine. Furthermore, when it has the function to make a reservation using the portable information terminal which a user carries, you may acquire user ID linked | related with apparatus ID of the said portable information terminal. Moreover, when using the karaoke performance terminal 30, you may provide a user ID temporarily with respect to a user.

<Photographing means selection means>
The photographing means selection means 48 is composed of a program for selecting at least one video camera system 80 installed at a point related to the karaoke music piece when playing any karaoke music piece. Various methods for selecting the video camera system 80 are conceivable. For example, the music identification information (music ID) of each karaoke piece and the photographing means identification of the video camera system 80 installed at a point related to each karaoke piece. A song-specific shooting means selection table 45c associated with information (shooting means ID) is prepared, and the function of the shooting means selection means 48 is used to relate to the karaoke song to be played based on the song-specific shooting means selection table 45c. The selected video camera system 80 can be selected.

  In addition, when the music-specific shooting means selection table 45c is not created, position data such as the title of the karaoke music to be played, the contents of the lyrics, the location related to the artist's birthplace, or a scenic location representative of the four seasons. Based on the installation location information of the video camera system 80, the video camera system 80 installed at a location related to the karaoke music piece may be selected. Note that the photographing means selection means 48 may be a component of a server (for example, the management server 60) for managing the video camera system 80.

<Background video display means>
The background video display means 49 includes a program for receiving a landscape video shot by the selected video camera system 80 and displaying it as a background video of the karaoke song to be played. In this way, you can shoot real-time scenes such as places related to the lyrics (local and busy streets), places that are scenic in the seasons related to the lyrics (famous places of cherry blossoms, snowy mountains, coasts), and the birthplace of the artist, By displaying it as a background video, a real-time video highly relevant to the karaoke song being played is displayed, so that the interest of the singer and other users participating in karaoke can be enhanced.

  Further, in the case of the configuration including the background video determination unit 83, if it is determined that the landscape video captured by the selected video camera system 80 is not identifiable as the background video, the recorded landscape video or the selected video is selected. A landscape image captured by another video camera system 80 is displayed as a background image. When there are a plurality of recorded landscape videos or when there are a plurality of selected video camera systems 80, the environment at the time of performance of the karaoke music (for example, performance time zone, customer group, user selection instruction) Depending on the situation, a landscape video can be selected as appropriate.

  As a result, the landscape video shot by the selected video camera system 80 is inappropriate video that cannot be identified due to reasons such as nighttime, communication line failure, bad weather, etc. (for example, insufficient illuminance or nothing is shown). No video) is displayed, and the interest of singers and other users participating in karaoke can be enhanced.

<Music playback control means>
The music reproduction control means is an electronic circuit for digitally reproducing the sound source data based on the performance control data extracted from the performance data based on the music ID and converting it to analog and outputting it to the mixing amplifier 35. As described above, the mixing amplifier 35 mixes the singer's singing voice signal input from the microphone 33 and the performance voice signal sent from the music reproduction control means 50, and amplifies the amplified voice signal by the amplifier function. It is a device for outputting more.

<Video playback control means>
The video reproduction control means 52 includes background video data whose display is controlled by the function of the background video display means 49 during the performance of karaoke music, and lyric characters created based on the lyric rendering data included in the performance data. It consists of a program for outputting to the display device 34 in synchronization with the performance data of the karaoke music.

  When the background video data is not controlled by the background video display means 49, that is, when the default video data set for each karaoke music is used, the video playback control means 52 is playing the karaoke music. In addition, the background video data extracted from the video database 45b and the lyrics characters created based on the lyric rendering data included in the performance data are output to the display device 34 in synchronization with the performance data of the karaoke music.

<Shooting a singing video>
Although not described in the above-described embodiment, in the case of the karaoke performance terminal 30 having a singing video shooting function, a singer's appearance image captured by a video camera (not shown) installed in a karaoke room, and a microphone In the singing moving image data composed of the singing voice of the singer input from 33, a landscape image captured by the video camera system 80 may be used as the background image.

<Display of background video>
Next, a background image display procedure will be described with reference to FIG. In order to use landscape videos taken at various locations as background videos, it is assumed that video cameras are installed at a plurality of points to capture landscape videos or record the captured landscape videos.

  In the background video display process, as shown in FIG. 3, when a setting is made to display a landscape video shot by a video camera system (photographing means) 80 as a background video (S1), it is related to a karaoke piece to be played. At least one video camera system 80 installed at the selected point is selected (S2). At this time, music-specific photography in which music identification information (music ID) of each karaoke music is associated with imaging means identification information (imaging means ID) of the video camera system 80 installed at a point related to each karaoke music. Based on the means selection table 45c, the video camera system 80 related to the karaoke piece to be played can be selected.

  When the video camera system 80 is selected, a landscape image captured by the selected video camera system 80 is received (S3) and displayed as a background image of the karaoke piece to be played (S4).

  Furthermore, it is preferable to perform the following processing after receiving a landscape image captured by the selected video camera system 80 (as a post-processing of S3). That is, a landscape image captured by the selected video camera system 80 is received (S3), and it is determined whether or not the landscape image captured by the selected video camera system 80 can be identified as a background image (S3-1). ). Here, if the landscape video captured by the selected video camera system 80 can be identified as the background video, the landscape video is displayed as the background video (S4).

  On the other hand, when the landscape video captured by the selected video camera system 80 cannot be identified as the background video, it is a recorded landscape video or a landscape video captured by another selected video camera system 80 and can be identified. A landscape video is selected as a background video (S3-2), and the landscape video is displayed as a background video (S4).

<Other embodiments>
The devices and means constituting the system of the present invention and its peripheral devices are not limited to those described above, and only the necessary devices and means are configured according to the purpose of use, or other devices and means are appropriately added. Can be. Further, each unit may be configured as a unit in which a plurality of functions are integrated, instead of being configured separately.

DESCRIPTION OF SYMBOLS 10 Background image display system 20 Router 30 Karaoke performance terminal 31 Karaoke remote control apparatus 31a Music search means 31b Music index database 31c Data storage part 31d Input / output display part 32 Speaker 33 Microphone 34 Display apparatus 35 Mixing amplifier 40 Karaoke main body 41 Network transmission / reception means 42 Central control means 43 ROM
44 RAM
44a Reservation queue 45 HDD
45a Music database 45b Video database 45c Photographing means selection table according to music 46 Local transmission / reception means 47 Reservation management means 48 Shooting means selection means 49 Background video display means 50 Music playback control means 51 A / D converter 52 Video playback control means 60 Management server 70 Communication means (data communication line)
80 Shooting means (video camera system)
81 Video Camera 82 Shooting Control Unit 83 Background Video Determination Unit 84 Data Transmission / Reception Device 85 Landscape Video Recording Unit

Claims (4)

In a background video display system capable of displaying a landscape video related to the karaoke music as a background video when playing karaoke music on a karaoke performance terminal,
Shooting means installed at a plurality of points, each of which captures a landscape video of the point,
Communication means for transmitting and receiving data between the photographing means and the karaoke performance terminal;
When performing any karaoke music piece, photographing means selecting means for selecting at least one of the photographing means installed at a point related to the karaoke music piece;
Background image display means for receiving a landscape image transmitted from the selected photographing means and displaying it as a background image of the karaoke song to be played;
A background video display system characterized by comprising: A song-specific shooting means selection table that links music identification information of each karaoke song and shooting means identification information of the shooting means installed at a point related to each karaoke song,
2. The background video display system according to claim 1, wherein the photographing unit selecting unit selects the photographing unit related to the karaoke piece to be played based on the piece-by-song photographing unit selection table. Landscape video recording means for recording landscape video taken by the photographing means;
Background image determination means for determining whether or not the scenery image currently being photographed by the selected photographing means can be identified as a background image,
The background video display means displays the recorded landscape video as a background video when it is determined that the landscape video currently being shot by the selected shooting means cannot be identified as a background video. The background image display system according to claim 1 or 2. A background video determination unit that determines whether or not a landscape video currently being shot by the selected shooting unit is identifiable as a background video;
The background video display means displays, as a background video, a landscape video determined to be identifiable as a background video by the background video determination means from among the landscape videos that are currently being shot by the selected shooting means. The background video display system according to claim 1, wherein the system is a background video display system.

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