Karaoke system

Abstract

To provide a Karaoke system capable of reflecting reaction of audience to Karaoke singing to evaluation of Karaoke singing.SOLUTION: In a Karaoke system, a moving image reproducer includes: a presenting unit for reproducing singing moving image data received from a server device and presenting a singing moving image to audience; and an audience video data transmission unit for transmitting audience video data to the server device. The server device includes: a transfer unit for transferring singing moving image data received from a Karaoke device to the moving image reproducer: and an audience evaluation unit for obtaining audience evaluation on the basis of audience video data received from the moving image reproducer and transmitting evaluation to the Karaoke device. The Karaoke device includes: a singing moving image data transmission unit for obtaining singing moving image data and transmitting it to the server device; and a singing evaluation unit for correcting evaluation of Karaoke singing of a singer on the basis of the audience evaluation when the audience evaluation is received from the server device.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a karaoke system.

Background Art

[0002] A karaoke device can evaluate karaoke singing using known scoring techniques. On the other hand, when evaluating karaoke singing, it is required to reflect the evaluation of the audience who watches the karaoke singing.

[0003] For example, Patent Document 1 discloses a technique in which an audience listening to a singer's singing in a karaoke box or the like can participate in the evaluation of the singing using their own mobile phone.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] Here, according to the technique disclosed in Patent Document 1, the audience in the same karaoke box as the singer will perform the evaluation. Therefore, there is a risk that the evaluation may become lenient due to being influenced by the atmosphere of the venue or being concerned about the singer.

[0006] An object of the present invention is to provide a karaoke system capable of reflecting the reaction of the audience to karaoke singing in the evaluation of karaoke singing.

Means for Solving the Problems

[0007] One invention for achieving the above object is a karaoke system in which a server device is communicably connected to a video playback device and a karaoke device. The video playback device includes at least a presentation unit that plays back singing video data obtained by photographing a singer who performs karaoke singing using the karaoke device and received from the server device, and presents the singing video to an audience, and an audience video data transmission unit that transmits audience video data obtained by photographing the audience watching the presented singing video to the server device. The server device includes a transfer unit that transfers the singing video data received from the karaoke device to the video playback device, and an audience evaluation unit that obtains an audience evaluation by evaluating the reaction of the audience who watched the singing video based on the audience video data received from the video playback device, and transmits the audience evaluation to the karaoke device. The karaoke device includes a singing video data transmission unit that acquires the singing video data and transmits it to the server device, and a singing evaluation unit that evaluates the karaoke singing by the singer, and when receiving the audience evaluation from the server device, corrects the evaluation of the karaoke singing of the singer based on the audience evaluation. Other features of the present invention will be clarified by the description in the following specification and drawings.

Effects of the Invention

[0008] According to the present invention, the reaction of the audience to karaoke singing can be reflected in the evaluation of karaoke singing.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6A

Figure 6B

Figure 7

Modes for Carrying Out the Invention

[0010] <First Embodiment> With reference to FIGS. 1 to 6B, the karaoke system according to the first embodiment will be described.

[0011] ==Karaoke System== As shown in FIG. 1, the karaoke system 1 includes a server device S, a karaoke device K, and a video playback device PB.

[0012] The server device S is a computer that manages and processes various information. The server device S is communicably connected to the video playback device PB and the karaoke device K via a network such as a public telephone line network or an Internet line.

[0013] The karaoke device K has functions for karaoke performance of music and for a singer to perform karaoke singing. The karaoke device K is installed in a room of a karaoke store. The singer Sg shown in FIG. 1 is a person who performs karaoke singing using the karaoke device K.

[0014] The video playback device PB presents a singing video to the audience and transmits the audience video data obtained by photographing the audience to the server device S (described later). The video playback device PB in the present embodiment is, for example, a display terminal (for example, a digital signage using the mechanism of IoT) installed at the entrance of a karaoke store or on the street away from the karaoke store. The karaoke system 1 according to the present embodiment includes a plurality of video playback devices PB. The plurality of video playback devices PB are installed at different locations.

[0015] ==Video playback device== As shown in FIG. 2, the video playback device PB includes a communication means 10a, a display means 10b, a sound playback means 10c, a photographing means 10d, and a control means 10e. Each component is connected to the bus B via an interface (not shown).

[0016] [Communication means, display means / sound playback means, photographing means] The communication means 10a provides an interface for communicating with the server device S. The display means 10b is a component for displaying various videos and images on the display screen. In the present embodiment, the display means 10b is used to display a video based on singing video data (described later). The sound playback means 10c is a component for playing various sounds. In the present embodiment, the sound playback means 10c is used to play a sound based on singing video data (described later). The photographing means 10d is a camera capable of photographing the audience watching the singing video (described later).

[0017] [Control means] The control means 10e performs various controls in the video playback device PB. The control means 10e includes a CPU and a memory (both not shown). The CPU realizes various functions by executing programs stored in the memory.

[0018] In the present embodiment, when the CPU of the video playback device PB executes the program stored in the memory, the control means 10e functions as a presentation unit 100 and an audience video data transmission unit 200.

[0019] (Presentation unit) The presentation unit 100 plays the singing video data received from the server device S and presents the singing video to the audience.

[0020] The singing video data is obtained by photographing a singer who performs karaoke singing using a karaoke device. The singing video data includes video data corresponding to the video of the singer and audio data corresponding to the singing voice of the singer and the performance sound of the music. That is, the singing video based on the singing video data includes video and audio. An audience is a person who watches the singing video based on the singing video data. When the video playback device PB is a display terminal, the audience is a passerby passing in front of the display terminal.

[0021] When receiving the singing video data from the server device S, the presentation unit 100 plays back the video data included in the singing video data and causes the display means 10b to display the video of the singer performing karaoke singing. Similarly, the presentation unit 100 plays back the audio data included in the singing video data and causes the sound playback means 10c to play back the singing voice of the singer and the performance sound of the music. Therefore, the audience can watch the singing video. The number of the audience watching one singing video may be one person or a plurality of people.

[0022] (Audience Video Data Transmission Unit) The audience video data transmission unit 200 transmits the audience video data to the server device S.

[0023] The audience video data is data obtained by photographing the audience who watches the singing video presented by the presentation unit 100. The audience video data includes video data corresponding to the video of the audience.

[0024] The audience video data transmission unit 200 controls the photographing means 10d to photograph the audience who watches the singing video, for example, at the timing when the presentation of the singing video by the presentation unit 100 starts. The audience video data transmission unit 200 transmits the audience video data obtained by photographing by the photographing means 10d to the server device S.

[0025] The time for photographing the audience is not particularly limited. For example, the audience video data transmission unit 200 may control the photographing means 10d to photograph the audience from the start to the end of the presentation of the singing video, or may control the photographing means 10d to photograph the audience for a preset time (for example, 5 minutes from the start of the presentation, 3 minutes from 30 seconds after the start of the presentation).

[0026] Also, the timing for transmitting the audience video data to the server device S is not particularly limited. The audience video data transmission unit 200 may record the audience video data and transmit it all at once after the photographing by the photographing means 10d is completed, or may transmit the audience video data in a streaming manner.

[0027] Note that each of the plurality of video playback devices only needs to have at least the above-described configuration and functions, and various devices can be used according to the installation location and environment. For example, the size of the display means 10b may be different between a video playback device installed at one location and a video playback device installed at another location, or the number of the sound playback means 10c and the photographing means 10d may be different.

[0028] ==Server Device== As shown in FIG. 3, the server device S includes a storage means 20a, a communication means 20b, and a control means 20c. Each component is connected to the bus B via an interface (not shown).

[0029] [Storage Means·Communication Means] The storage means 20a is a large-capacity storage device that stores various data. The communication means 20b provides an interface for communicating with the video playback device PB and the karaoke device K.

[0030] [Control Means] The control means 20c performs various controls in the server device S. The control means 20c includes a CPU and a memory (both not shown). The CPU realizes various functions by executing programs stored in the memory.

[0031] In this embodiment, by executing a program stored in the memory by the CPU, the control means 20c functions as the transfer unit 300 and the audience evaluation unit 400.

[0032] (Transfer Unit) The transfer unit 300 transfers the singing video data received from the karaoke device K to the video playback device PB.

[0033] The transfer unit 300 transfers the singing video data to the video playback device PB that is communicable at the timing when the singing video data is received. When there are a plurality of video playback devices PB as in the karaoke system 1 according to this embodiment, the transfer unit 300 transfers the singing video data to each of the video playback devices PB.

[0034] (Audience Evaluation Unit) The audience evaluation unit 400 obtains an audience evaluation based on the audience video data received from the video playback device PB and transmits it to the karaoke device K.

[0035] The audience evaluation evaluates the reaction of the audience who watched the singing video. The audience evaluation can be represented by a numerical value for addition or multiplication to the evaluation of karaoke singing (described later). The value for addition can be, for example, any numerical value within the range of ±10 points. The value for multiplication can be, for example, any numerical value within the range of 0.90 to 1.10.

[0036] The audience evaluation can be obtained by various known methods. For example, the audience evaluation unit 400 analyzes the audience video data, identifies the number or ratio of the audience who stopped in front of the video playback device PB among the audience included in the video, or the time they stopped, and obtains the audience evaluation based on the identified information. When the number or ratio of the audience who stopped in front of the video playback device PB is large, or the time they stopped is long, it is considered that the audience is interested in the singing video presented on the video playback device PB. In such a case, it can be determined that the reaction of the audience to the presented singing video is positive. Therefore, the audience evaluation unit 400 determines a high value as the audience evaluation.

[0037] In addition, the audience evaluation unit 400 can calculate the concentration of the audience included in the video corresponding to the audience video data, and obtain an audience evaluation based on the calculated value. Regarding the details of the method for calculating the concentration of the audience included in the video, the technique described in Japanese Patent Application Laid-Open No. 2016-100033 can be used. When the concentration of the audience shows a high value, it is considered that the audience is enthusiastically watching the singing video presented by the video playback device PB. In such a case, it can be determined that the reaction of the audience to the presented singing video is positive. Therefore, the audience evaluation unit 400 determines a high value as the audience evaluation.

[0038] Alternatively, the audience evaluation unit 400 can perform an emotion analysis of the audience included in the video corresponding to the audience video data, and obtain an audience evaluation based on whether a specific emotion (for example, surprise, excitement) is included, as well as the frequency and degree of a specific emotion. The emotion analysis of the audience included in the video can use, for example, a deep learning framework that predicts emotions in real time from the expressions in the video ("Estimation of continuous valence and arousal levels from faces in naturalistic conditions" Samsung AI, Imperial College London). When a large amount of emotions such as surprise and excitement are included, it is considered that the audience is showing a natural reaction to the singing video presented by the video playback device PB. In such a case, it can be determined that the reaction of the audience to the presented singing video is positive. Therefore, the audience evaluation unit 400 determines a high value as the audience evaluation.

[0039] When a plurality of audiences' videos are included in one piece of audience video data, the audience evaluation unit 400 can obtain individual audience evaluations for each audience, and use the statistical quantity (average value, median value, etc.) as the audience evaluation corresponding to one piece of audience evaluation data. Also, when receiving audience video data from a plurality of video playback devices PB, the audience evaluation unit 400 can obtain individual audience evaluations based on each piece of audience video data, and use the statistical quantity (average value, median value, etc.) as one audience evaluation.

[0040] After the audience evaluation unit 400 transfers certain singing video data to the video playback device PB, it obtains an audience evaluation based on the audience video data received within a certain period. Then, the audience evaluation unit 400 transmits the obtained audience evaluation to the karaoke device K that transmitted the certain singing video data.

[0041] ==Karaoke Device K== As shown in FIG. 4, the karaoke device K includes a karaoke main body 30, a speaker 40, a display device 50, a microphone 60, a remote control device 70, and a photographing means 80.

[0042] The karaoke main body 30 performs various controls related to karaoke performance and karaoke singing, such as karaoke performance control of music, display control of lyrics, background videos, etc., and processing of audio signals input through the microphone 60. The speaker 40 is configured to emit sound based on the sound emission signal from the karaoke main body 30. The display device 50 is configured to display videos and images on the display screen based on the signal from the karaoke main body 30. The microphone 60 is configured to convert the singing voice of karaoke singing into an analog audio signal and input it to the karaoke main body 30. The remote control device 70 is a device for performing various operations on the karaoke main body 30. The photographing means 80 is a camera capable of photographing a singer.

[0043] As shown in FIG. 5, the karaoke main body 30 according to the present embodiment includes a storage means 30a, a communication means 30b, an input means 30c, a performance means 30d, and a control means 30e. Each component is connected to the bus B via an interface (not shown).

[0044] [Storage Means] The storage means 30a is a large-capacity storage device that stores various data. The storage means 30a stores music data and device identification information.

[0045] Music data is provided with music identification information for identifying individual music pieces. The music identification information is information unique to each music piece, such as a music ID for identifying the music. The music data includes accompaniment data, reference data, etc. The accompaniment data is the data that serves as the source of karaoke performance sounds. The reference data is the data that indicates the main melody of the music performed in karaoke. Also, the storage means 30a stores background video data such as background videos to be displayed on the display device 50 etc. during karaoke performance, and attribute information of the music (singer name, genre, etc.). The device identification information is information unique to each karaoke device, such as a device ID for identifying the karaoke device.

[0046] [Communication means · Input means] The communication means 30b provides an interface for communicating with the server device S and the remote control device 50. The input means 30c is a configuration for the singer to perform various instruction inputs. The input means 30c is buttons etc. provided on the karaoke main body 30. Alternatively, the remote control device 70 may function as the input means 30c.

[0047] [Performance means] The performance means 30d performs karaoke performance of the music and processes the audio signal input through the microphone 60 based on the control of the control means 30e. The performance means 30d includes a sound source, a mixer, an amplifier, etc. (none of which are shown in the figure).

[0048] [Control means] The control means 30e performs various controls in the karaoke device K. The control means 30e includes a CPU and a memory (none of which are shown in the figure). The CPU realizes various functions by executing the programs stored in the memory.

[0049] In this embodiment, by the CPU of the karaoke device K executing the programs stored in the memory, the control means 30e functions as a singing video data transmission unit 500 and a singing evaluation unit 600.

[0050] (Singing video data transmission unit) The singing video data transmission unit 500 acquires singing video data and transmits it to the server device S.

[0051] A singer who wishes to perform karaoke singing operates the remote control device 70 and selects a song to be sung karaoke via the song selection screen. The remote control device 70 transmits the song ID of the song selected by the singer to the karaoke device K. The karaoke device K makes a reservation for the karaoke performance of the song by registering the received song ID in the reservation queue. The karaoke device K acquires the accompaniment data of the song from the storage means 30a based on the song ID registered in the reservation queue. Then, the karaoke device K outputs the acquired accompaniment data to the performance means 30d to cause a karaoke performance.

[0052] The singing video data transmission unit 500 controls the photographing means 80 to photograph the singer at the timing when the karaoke performance of the song starts. Also, the singing video data transmission unit 500 controls the microphone 60 to collect the singing voice of the singer and the performance sound of the song at the timing when the karaoke performance of the song starts. The singing video data transmission unit 500 combines the video data corresponding to the video of the singer photographed by the photographing means 80 and the audio data corresponding to the singing voice of the singer and the performance sound of the song collected by the microphone 60 to acquire singing video data. Note that the audio data corresponding to the performance sound of the song may be directly acquired from the performance means 30d.

[0053] The singing video data transmission unit 500 transmits the acquired singing video data to the server device S. The timing for transmitting the singing video data to the server device S is various.

[0054] For example, when selecting a song, the singer can pre-select a correction mode provided in the karaoke device K. The correction mode is a mode for correcting the evaluation of karaoke singing (described later) with the audience evaluation. When the correction mode is selected, the singing video data transmission unit 500 can sequentially transmit the acquired singing video data to the server device S in a streaming manner.

[0055] On the other hand, when there is a request for correction using the audience evaluation from a singer who has presented an evaluation of karaoke singing, the singing video data transmission unit 500 can transmit the singing video data obtained by photographing the singer to the server device S.

[0056] For example, when the karaoke singing of a song ends, the singing evaluation unit 600 presents an evaluation of the karaoke singing (described later). When a singer who has seen the presented evaluation thinks, "I want to reflect the audience evaluation," the singer operates the remote control device 70 to select the above-described correction mode. In this case, the singing video data transmission unit 500 collectively transmits the recorded singing video data to the server device S.

[0057] (Singing Evaluation Unit) The singing evaluation unit 600 evaluates the karaoke singing by the singer. Further, when the singing evaluation unit 600 according to the present embodiment receives the audience evaluation from the server device S, it corrects the evaluation of the karaoke singing of the singer based on the audience evaluation.

[0058] For the evaluation of karaoke singing, a known method can be used. For example, the singing evaluation unit 600 compares the singing voice data extracted from the singing voice input by the microphone 60 with the reference data indicating the main melody of the song played in karaoke, and shows the skill level of the karaoke singing by a numerical value from 0 to 100 with 100 points as the full score, thereby evaluating the karaoke singing.

[0059] On the other hand, when receiving the audience evaluation from the server device S, the singing evaluation unit 600 corrects the evaluation of the karaoke singing of the singer based on the audience evaluation. Various methods can be used for the correction of the evaluation of karaoke singing. For example, when the audience evaluation is shown by a value of ±10, the singing evaluation unit 600 corrects it by adding or subtracting the value of the audience evaluation from the previously obtained evaluation value. Alternatively, when the audience evaluation is shown by a value of 0.90 to 1.10, the singing evaluation unit 600 corrects it by multiplying the previously obtained evaluation value by the value of the audience evaluation.

[0060] The singing evaluation unit 600 presents the evaluation of the karaoke singing and the evaluation of the corrected karaoke singing to the singer, for example, by displaying them on the display screen of the display device 50.

[0061] ==Regarding the operation of the karaoke system== Next, with reference to FIGS. 6A and 6B, a specific example of the operation of the karaoke system 1 in the present embodiment will be described. FIGS. 6A and 6B are flowcharts showing operation examples of the karaoke system 1. In this example, in the karaoke system 1 shown in FIG. 1, it is assumed that the singer Sg performs karaoke singing of the music X using the karaoke device K.

[0062] The karaoke device K starts the karaoke performance of the music X selected by the singer Sg (start the karaoke performance of the music X. Step 10). The singer Sg performs karaoke singing in accordance with the karaoke performance of the music X.

[0063] The singing video data transmission unit 500 of the karaoke device K acquires the singing video data obtained by photographing the singer Sg who is performing karaoke singing (acquire the singing video data. Step 11).

[0064] When the karaoke performance ends (the karaoke performance of the music X ends. Step 13), the singing evaluation unit 600 of the karaoke device K evaluates the karaoke singing by the singer Sg (evaluate the karaoke singing. Step 14). The singing evaluation unit 600 presents the evaluation obtained in Step 14 to the singer Sg.

[0065] Here, it is assumed that the singer Sg is not satisfied with the presented evaluation and wants to obtain an evaluation that reflects the audience evaluation. In this case, the singer Sg operates the remote control device 70 to select the correction mode and requests correction using the audience evaluation (request correction using the audience evaluation. Step 15). The singing video data transmission unit 500 transmits the singing video data acquired in Step 11 to the server device S in response to the selection of the singer Sg (transmit the singing video data. Step 16).

[0066] The transfer unit 300 of the server device S transfers the singing video data received from the karaoke device K to the video playback device PB (transfer the singing video data. Step 17).

[0067] The presentation unit 100 of the video playback device PB plays the singing video data received from the server device S and presents the singing video to the audience (present the singing video to the audience. Step 18).

[0068] The audience video data transmission unit 200 controls the photographing means 10d to photograph the audience watching the singing video (photograph the audience. Step 19). The audience video data transmission unit 200 transmits the audience video data obtained by photographing with the photographing means 10d to the server device S (transmit the audience video data. Step 20).

[0069] The audience evaluation unit 400 of the server device S obtains an audience evaluation based on the audience video data transmitted in Step 20 (obtain the audience evaluation. Step 21). Then, the audience evaluation unit 400 transmits the audience evaluation obtained in Step 21 to the karaoke device K that transmitted the singing video data (transmit the audience evaluation. Step 22).

[0070] The singing evaluation unit 600 of the karaoke device K corrects the evaluation of the karaoke singing obtained in Step 14 based on the audience evaluation received from the server device S (correct the evaluation of the karaoke singing. Step 23). The singing evaluation unit 600 presents the evaluation corrected in Step 23 to the singer Sg (present the corrected evaluation. Step 24).

[0071] As is clear from the above, in the karaoke system 1 according to the present embodiment, the server device S is communicably connected to the video playback device PB and the karaoke device K. The video playback device PB includes a presentation unit 100 that plays back the singing video data received from the server device S and obtained by photographing a singer who performs karaoke singing using the karaoke device K, and presents the singing video to the audience, and an audience video data transmission unit 200 that transmits the audience video data obtained by photographing the audience watching the presented singing video to the server device S. The server device S includes a transfer unit 300 that transfers the singing video data received from the karaoke device K to the video playback device PB, and an audience evaluation unit 400 that obtains an audience evaluation by evaluating the reaction of the audience who watched the singing video based on the audience video data received from the video playback device PB, and transmits the audience evaluation to the karaoke device K. The karaoke device K includes a singing video data transmission unit 500 that acquires the singing video data and transmits it to the server device S, and a singing evaluation unit 600 that evaluates the karaoke singing by the singer. When the audience evaluation is received from the server device S, the singing evaluation unit 600 corrects the evaluation of the karaoke singing by the singer based on the audience evaluation.

[0072] According to such a karaoke system 1, by presenting the singing video based on the singing video data obtained by photographing a singer who performs karaoke singing using the karaoke device to the audience via the video playback device PB installed at a location different from the karaoke device, the audience evaluation can be obtained. Since the audience is a passerby or the like who has no acquaintance with the singer who performs karaoke singing, there is a high possibility that the audience will show an honest reaction without prejudice to the presented singing video (that is, the karaoke singing of the singer). The karaoke system 1 can correct the evaluation of the karaoke singing using the audience evaluation, which is an evaluation based on such an honest reaction of the audience. That is, according to the karaoke system 1 according to the present embodiment, the reaction of the audience to the karaoke singing can be reflected in the evaluation of the karaoke singing.

[0073] In addition, when there is a request for correction using the audience evaluation from a singer who has presented an evaluation of karaoke singing, the singing video data transmission unit 500 in the karaoke system 1 according to the present embodiment can transmit the singing video data obtained by photographing the singer to the server device S. According to such a karaoke system 1, according to the presented evaluation of karaoke singing, the evaluation of karaoke singing can be corrected using the audience evaluation only when the singer desires (for example, when the singer cannot accept the evaluation).

[0074] <Second Embodiment> Next, a karaoke system according to the second embodiment will be described. In the present embodiment, as the video playback device PB, instead of the display terminal of the first embodiment, another karaoke device different from the karaoke device K is used. The other karaoke device is installed, for example, in another room of the karaoke store where the karaoke device K is installed, or in another karaoke store.

[0075] As described above, the video playback device PB according to the present embodiment is a karaoke device. In this case, the video playback device PB has the same configuration as the karaoke device K (see FIGS. 4 and 5).

[0076] Specifically, in the present embodiment, the display device 50 is used to display a video based on the singing video data. The speaker 40 is used to play the sound based on the singing video data. The photographing means 80 is used to photograph the audience watching the singing video. In addition, the karaoke device is communicably connected to the server device, and the communication means 30b is used to receive the singing video data from the server device and transmit the audience video data to the server device.

[0077] In addition, by the CPU of the karaoke device executing a program stored in the memory, the control means 30e functions as the presentation unit 100 and the audience video data transmission unit 200.

[0078] The presentation unit 100 and the audience video data transmission unit 200 according to this embodiment execute the same processing as in the first embodiment. When the video playback device PB is a karaoke device, the user who uses the karaoke device corresponds to the audience. Therefore, when the server device S receives the singing video data while a certain karaoke device is performing karaoke singing, the presentation unit 100 temporarily stores the singing video data in the storage means 30a, reads out and plays the singing video data at the timing of the interval between songs or when the reserved songs are finished, and allows the audience to view the singing video.

[0079] Since the server device S and the karaoke device K according to this embodiment have the same configuration and functions as in the first embodiment, detailed descriptions thereof are omitted.

[0080] As is clear from the above, also by the karaoke system 1 according to this embodiment, the honest reaction of the audience to the karaoke singing can be reflected in the evaluation of the karaoke singing. Further, when the video playback device PB is a karaoke device, the audience who views the singing video is the person who is using the karaoke device at that time. Therefore, the interest in karaoke singing is high, and a more honest reaction can be obtained.

[0081] Note that, among the plurality of video playback devices PB, some may be used as the display terminals in the first embodiment, and the others may be used as the karaoke devices in this embodiment.

[0082] <Modification Example of the Second Embodiment> When there are a plurality of other karaoke devices that are video playback devices PB, the transfer unit 300 may transfer the singing video data only to some of the plurality of other karaoke devices.

[0083] In the server device S according to this modification example, by the CPU executing the program stored in the memory, the control means 20c functions as the transfer unit 300, the audience evaluation unit 400, and the specifying unit 700 (see FIG. 7).

[0084] (Specifying Unit) The specifying unit 700 specifies at least one other karaoke device among a plurality of other karaoke devices.

[0085] Specifically, the specifying unit 700 can randomly specify other karaoke devices according to a preset number from among the plurality of other karaoke devices included in the karaoke system 1. Alternatively, each time the specifying unit 700 receives singing video data, it can set a number and randomly specify other karaoke devices according to the set number.

[0086] Furthermore, the specifying unit 700 can specify other karaoke devices used by an audience satisfying a predetermined condition. The predetermined condition is a condition for specifying the audience.

[0087] For example, when using a karaoke device as the video playback device PB, if there is no user of the karaoke device, there will be no audience watching the singing video. Therefore, "logged in to the karaoke system" can be set as a predetermined condition.

[0088] In this case, the specifying unit 700 specifies the karaoke device used by the logged-in user as another karaoke device.

[0089] Specifically, a user using a karaoke device inputs his or her user identification information via a remote control device. The user identification information is information unique to each user, such as a user ID for identifying the user. The karaoke device associates the input user identification information with its own device identification information and transmits it to the server device S. The server device S completes the login by storing the received user identification information and device identification information in the storage means 20a or the like.

[0090] Here, when receiving singing video data from a certain karaoke device, the specifying unit 700 refers to the storage means 20a and extracts the user identification information of the user who is currently logged in to the karaoke system 1. Then, the specifying unit 700 specifies the karaoke device corresponding to the device identification information associated with the extracted user identification information as another karaoke device.

[0091] Alternatively, if the user has karaoke-sung the song being sung in the singing video in the past, there is a high possibility that the user is interested in the singing video of that song. Therefore, "having karaoke-sung the song being sung in the singing video in the past" can be set as a predetermined condition.

[0092] In this case, the specifying unit 700 refers to the singing history of the user logged in to the karaoke system and extracts the user identification information of the user who has sung the song being sung in the singing video. Then, the specifying unit 700 specifies the karaoke device corresponding to the device identification information associated with the extracted user identification information as another karaoke device. Note that the singing history is information that records the karaoke singing information of each user. The singing history includes user identification information, music identification information of the song for which karaoke singing was performed, evaluation of the karaoke singing, date and time when the karaoke singing was performed, location, etc. The singing history is stored in the storage means 20a of the server device S.

[0093] (Transfer unit) The transfer unit 300 according to this modification transfers the singing video data to the specified other karaoke device.

[0094] As is clear from the above, the video playback device PB according to this modification example is another karaoke device different from the karaoke device K. The server device S has an identifying unit 700 that identifies at least one other karaoke device among a plurality of other karaoke devices. The transfer unit 300 according to this modification example transfers the singing video data to the other karaoke device identified by the identifying unit 700. According to such a karaoke system 1, it is possible to transfer the singing video data only to the identified other karaoke device among a plurality of other karaoke devices (video playback devices).

[0095] In addition, the identifying unit 700 according to this modification example identifies the other karaoke device used by the audience who satisfies a predetermined condition. In this case, it is possible to identify the karaoke device being used by the audience or the karaoke device being used by the audience who is considered to show interest in the singing video. Therefore, when the singing video data is transferred to the identified karaoke device, it is possible to surely obtain the audience evaluation.

[0096] <Others> The above embodiments are presented as examples and do not limit the scope of the invention. The above configurations can be implemented in appropriate combinations, and various omissions, replacements, and changes can be made without departing from the gist of the invention. The above embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and its equivalent scope.

Explanation of Reference Numerals

[0097] 1 Karaoke System 100 Presentation Unit 200 Audience Video Data Transmission Unit 300 Transfer Unit 400 Audience Evaluation Unit 500 Singing Video Data Transmission Unit 600 Singing Evaluation Unit 700 Identifying Unit K Karaoke Device PB Video Playback Device S Server Device

Claims

1. A karaoke system in which a server device is communicably connected to a video playback device and a karaoke device, wherein the video playback device at least includes, a presentation unit that plays back singing video data obtained by photographing a singer who performs karaoke singing using the karaoke device and received from the server device, and presents the singing video to the audience; an audience video data transmission unit that transmits audience video data obtained by photographing the audience watching the presented singing video to the server device; and has, wherein the server device, a transfer unit that transfers the singing video data received from the karaoke device to the video playback device; an audience evaluation unit that obtains an audience evaluation for evaluating the reaction of the audience who watched the singing video based on the audience video data received from the video playback device, and transmits the audience evaluation to the karaoke device; and has, wherein the karaoke device, a singing video data transmission unit that acquires the singing video data and transmits it to the server device; a singing evaluation unit that evaluates the karaoke singing by the singer, and when receiving the audience evaluation from the server device, corrects the evaluation of the karaoke singing by the singer based on the audience evaluation; A karaoke system having the above.

2. The karaoke system according to claim 1, wherein when there is a request for correction using the audience evaluation from the singer who presented the evaluation of the karaoke singing, the singing video data transmission unit transmits the singing video data obtained by photographing the singer to the server device.

3. The video playback device is another karaoke device different from the karaoke device, wherein the server device, has a specifying unit that specifies at least one of the plurality of other karaoke devices, The karaoke system according to claim 1 or 2, wherein the transfer unit transfers the singing video data to the other karaoke device specified by the specifying unit.

4. The karaoke system according to claim 3, wherein the specifying unit specifies the other karaoke device used by the audience who satisfies a predetermined condition.

Images