JP2020003593A - Karaoke system and server device - Google Patents

Abstract

To provide a karaoke system which allows a user to automatically log in to the karaoke system when the user performs karaoke singing without login.SOLUTION: A karaoke system comprises: a karaoke device comprising an extraction section for extracting voiceprint data from singing voice of a prescribed user and a transmission processing section for transmitting the extracted voiceprint data to a server device; and the server device comprising an information recording section for recording the obtained voiceprint data of each user, user information on karaoke singing of each user and a login situation of each user to the karaoke system, a determination section for determining whether data matched with voiceprint data extracted from extracted singing voice of the prescribed user exists or not in the plurality of voiceprint data, and whether the prescribed user logs in to the karaoke system or not, and a login processing section for performing login of the prescribed user to the karaoke system when it is determined that data matched with the voiceprint data of the prescribed user exists in the plurality of pieces of voiceprint data and when the prescribed user does not log in to the karaoke system.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a karaoke system and a server device.

  The current karaoke system can log in via a remote control device attached to the karaoke device or a smartphone owned by each user. By logging in to the karaoke system, it is possible to receive various services such as registration of the eighteenth music piece, recording of the scoring result, and browsing of past scoring history.

  Further, in Patent Literature 1, when a user who logs in to a karaoke system sings karaoke, a voiceprint is analyzed from the input singing voice digital data, and registered in a customer DB based on the analyzed voiceprint. A technique is disclosed in which at least a user ID of a corresponding singer is acquired with reference to voiceprint information obtained, and score data at the time of singing is stored in association with the acquired user ID. By using this technology, for example, even if the user who made the reservation of the music and the user who performed the karaoke singing are different, as the grading history of the user who performed the karaoke singing, scoring data at the time of singing Can be stored.

JP 2008-164966 A

  By the way, some users find it cumbersome to log in to the karaoke system. Such users often sing karaoke songs without logging in to the karaoke system. In this case, various services provided by the karaoke system cannot be used. For this reason, even when a good scoring result is obtained, there arises a problem that the user cannot record the scoring history as his / her own.

  An object of the present invention is to provide a server device and a karaoke system that can automatically log a user into a karaoke system when the user sings karaoke without logging in.

One aspect of the present invention to achieve the above object is a karaoke system having a server device and a karaoke device, wherein the karaoke device starts singing a karaoke song by a certain user. And a transmission processing unit for transmitting the extracted voiceprint data to the server device, wherein the server device obtains in advance the voiceprint data of each user and the karaoke song of each user. Information recording section for recording user information about each user and the log-in status of each user to the karaoke system, and the usage extracted by the extraction section among a plurality of voiceprint data recorded in the information recording section. To determine whether there is data matching the user's voiceprint data and whether the user is logged in to the karaoke system. Section, if it is determined that data matching the voiceprint data of the certain user is present in the plurality of voiceprint data, and if the certain user is not logged in to the karaoke system, A karaoke system having a login processing unit for logging in to the karaoke system.
Other features of the present invention will be apparent from the description in the specification and the drawings described below.

  According to the present invention, when a user sings a karaoke song without logging in, the user can be automatically logged in to the karaoke system.

It is a figure showing the outline of the karaoke system concerning an embodiment. It is a figure showing a karaoke device concerning an embodiment. It is a figure showing a server device concerning an embodiment. It is a figure showing the information which the server device concerning an embodiment memorizes. It is a figure showing the remote control device concerning an embodiment. It is a flowchart which shows the process of the karaoke system which concerns on embodiment. It is a flowchart which shows the process of the karaoke system which concerns on embodiment.

<Embodiment>
A karaoke system according to the embodiment will be described with reference to FIGS. 1 to 6B.

== Karaoke system ==
As shown in FIG. 1, the karaoke system 1 according to the present embodiment includes a server device S, a karaoke device K, and a remote control device R attached to the karaoke device K. FIG. 1 shows one karaoke device and one remote control device, but a plurality of karaoke devices and remote control devices may be provided.

  The server device S manages the karaoke device K and the remote control device R. The server device S can communicate with the karaoke device K and the remote control device R via the network N. The network N is a transmission line such as a public telephone line network or the Internet line.

  The karaoke device K is a device for performing karaoke performance of music and singing karaoke by a user. The karaoke apparatus K has various functions provided in a general karaoke apparatus, such as a function of scoring a user's karaoke singing. The remote control device R is a device for performing various operations on the karaoke device K. The user can use the remote control device R to search for a song for which karaoke singing is desired, select a song (reserve), and the like. On the display screen of the remote control device R, icons and the like for inputting instructions for various operations are displayed. Note that the karaoke device K and the remote control device R are paired in advance. Which remote control device is paired with a certain karaoke device is managed by the server device S.

== Karaoke device ==
As shown in FIG. 2, the karaoke apparatus K includes a karaoke body 10, a speaker 20, a display device 30, and a microphone 40.

  The speaker 20 is configured to emit sound based on a sound emission signal from the karaoke body 10. The display device 30 is configured to display a video or an image on a screen based on a signal from the karaoke body 10. The microphone 40 is configured to convert a user's singing voice (voice input to the microphone 40) into an analog voice signal and input the analog voice signal to the karaoke body 10.

  The karaoke main body 10 performs various controls related to karaoke singing, such as reservation of music selected through the remote control device R and the like, control of karaoke performance, display control of lyrics and background images, and processing of audio signals input through the microphone 40. I do. As shown in FIG. 2, the karaoke main body 10 includes a control unit 11, a communication unit 12, a storage unit 13, a sound processing unit 14, a display processing unit 15, and an operation unit 16. Each component is connected to the bus B via an interface (not shown).

[Control unit]
The control unit 11 includes a CPU and a memory (both are not shown). The CPU realizes various control functions by executing an operation program stored in the memory. The memory is a storage device that stores a program to be executed by the CPU and temporarily stores various information when the program is executed. In the present embodiment, the control unit 11 functions as an extraction unit 11a and a transmission processing unit 11b.

(Extractor)
The extraction unit 11a extracts voiceprint data from the singing voice of the certain user when the certain user starts singing karaoke.

  The extraction unit 11a extracts voiceprint data based on the input time, frequency, and intensity of the singing voice input to the microphone 40. As a specific method of extracting voiceprint data from the singing voice, a known method can be used.

  For example, it is assumed that three users U1 to U3 use the karaoke apparatus K. In this case, the extraction unit 11a extracts voiceprint data from a singing voice obtained when each user sings a karaoke song.

(Transmission processing unit)
The transmission processing unit 11b transmits the extracted voiceprint data to the server S promptly. When transmitting the voiceprint data to the server device S in the transmission processing unit 11, the voiceprint data is transmitted together with the identification number of the karaoke main body 10.

[Communication unit / storage unit]
The communication unit 12 provides an interface for connecting the karaoke body 10 to a communication line via a router (not shown). The storage unit 13 is a large-capacity storage device that stores various data, and is, for example, a hard disk drive. For example, the storage unit 13 stores a plurality of songs (song data) for performing a karaoke performance in the karaoke apparatus K.

[Sound processing unit / display processing unit]
The sound processing unit 14 controls the karaoke performance of the music and processes the singing voice signal input through the microphone 40 based on the control of the control unit 11. The display processing unit 15 performs processing related to various displays on the display device 30 based on the control of the control unit 11. For example, the display processing unit 15 causes the display device 30 to display a video in which lyrics telops and various icons are superimposed on a background video during a karaoke performance.

[Operation unit]
The operation unit 16 includes a panel switch, a remote control receiving circuit, and the like, and sends an operation signal such as a music selection signal and a performance stop signal to the control unit 11 in response to a user's operation of the panel switch of the karaoke device K or the remote control device R. Output. The control unit 11 detects an operation signal from the operation unit 16 and executes a corresponding process.

== Server device ==
FIG. 3 is a diagram illustrating an example of a hardware configuration of the server device S. The server device S includes a storage unit 50, a communication unit 51, and a control 52. Each component is connected to the bus B via an interface (not shown).

[Storage unit]
The storage unit 50 is a large-capacity storage device that stores various data. Part of the storage area of the storage unit 50 according to the present embodiment functions as the information recording unit 50a.

(Information recording section)
The information recording unit 50a records voiceprint data of each user acquired in advance, user information on karaoke singing of each user, and the log-in status of each user to the karaoke system.

  The voiceprint data is obtained in advance when logging in to the karaoke system 1 for the first time, together with settings such as a user ID and a nickname. The user information includes, for example, history information such as singing history (song title, artist name, singing date and time) based on karaoke singing and scoring history, eighteenth song registered by the user, nickname and avatar set by the user, and the like. Basic information, or whether or not an alternative reservation can be made.

  The substitute reservation is, for example, a means for reserving a song that the user U1 or the user U2 wants the user U3 to sing when the user U1 or the user U3 uses the karaoke apparatus K. is there. Specifically, when the user U1 selects the song X and then specifies the nickname of the user U3, the karaoke apparatus K associates the song ID of the selected song X with the user ID of the user U3. Do. After the karaoke singing of the music X is completed, the karaoke apparatus K transmits information such as the music name of the music X, the singing date and time, and the scoring result to the server apparatus S. In this case, the server device S records the received information in the information recording unit 50a as history information of the user U3.

  The log-in status is information indicating whether each user is currently logged in to the karaoke system 1. By logging in to the karaoke system 1, the user can use various services provided by the karaoke system 1. FIG. 4 shows an example of information recorded in the information recording unit 50a. In the example of FIG. 4, among the users who use the karaoke apparatus K, the users U1 and U2 have already logged in. On the other hand, the user U3 has not logged in yet.

[Communication unit]
The communication unit 51 provides an interface for connecting the server device S to the karaoke device K or the remote control device R.

[Control unit]
The control unit 52 performs various controls in the server device S. The control unit 52 includes a CPU and a memory (both not shown). The CPU realizes various functions by executing a program stored in the memory. In the present embodiment, the control unit 52 functions as a determination unit 52a, a login processing unit 52b, a setting unit 52c, and an information transmission unit 52d.

(Judgment unit)
When a certain user sings karaoke using the karaoke apparatus K, the determination unit 52a extracts the singing voice from the singing voice of the certain user into a plurality of voiceprint data recorded in the information recording unit 50a. It is determined whether there is data that matches the voiceprint data, and whether the user has logged in to the karaoke system 1.

  A known voiceprint authentication technique can be used to determine whether the voiceprint data matches. For example, assume that voiceprint data of a certain user has been received from the karaoke apparatus K (transmission processing unit 11b). In this case, the determination unit 52a determines whether voiceprint data that matches the received voiceprint data is recorded in the information recording unit 50a. The determining unit 52a determines whether a certain user has logged in to the karaoke system by referring to the log-in status recorded in the information recording unit 50a.

  For example, assume that voiceprint data of user U3 has been received. As shown in FIG. 4, voiceprint data is recorded in advance for the user U3. In this case, the determination unit 52a determines that voiceprint data that matches the received voiceprint data is recorded in the information recording unit 50a for the user U3.

  In addition, the determination unit 52a refers to the login status recorded in the information recording unit 50a, and determines whether the user U3 corresponding to the voiceprint data has logged in to the karaoke system 1. In the example of FIG. 4, the user U3 has not logged in to the karaoke system 1.

  In this case, the determination unit 52a determines that among the plurality of voiceprint data recorded in the information recording unit 50a, there is data that matches the voiceprint data of the user U3, and that the user U3 has logged in to the karaoke system 1. The determination result that there is no data is output to the login processing unit 52b.

  On the other hand, it is assumed that the voice print data of the user U1 has been received. As shown in FIG. 4, voiceprint data is recorded in advance for the user U1. In this case, the determination unit 52a determines that voiceprint data that matches the received voiceprint data is recorded in the information recording unit 50a for the user U1.

  Further, the determination unit 52a refers to the log-in status recorded in the information recording unit 50a, and confirms whether the user U1 corresponding to the voiceprint data has logged in to the karaoke system 1. In the example of FIG. 4, the user U1 has logged in to the karaoke system 1.

  In this case, the determination unit 52a determines that among the plurality of voiceprint data recorded in the information recording unit 50a, there is data that matches the voiceprint data of the user U1, and the user U1 logs in to the karaoke system 1 and The determination result to the effect that it is present is output to the login processing unit 52b.

(Login processing section)
The login processing unit 52b performs a login process to the karaoke system 1.

  Usually, when using the karaoke system 1, the user first performs a log-in operation (input of his / her user ID and password). Specifically, the user inputs a user ID and a password via the remote control device R. The remote control device R transmits the input user ID and password to the server device S. The login processing unit 52b performs a process of logging in the karaoke system 1 by the user corresponding to the user ID based on the received user ID and password. When a plurality of users use the karaoke system 1, a login operation is performed for each user. Note that the user may perform a login operation via a mobile terminal owned by the user.

  Further, in the present embodiment, the login processing unit 52b determines, when it is determined that data matching the voiceprint data of a certain user exists in a plurality of voiceprint data stored in the information storage unit 50a, and If the user has not logged in to the karaoke system, the user logs in to the karaoke system 1.

  For example, from the determination unit 52a, among the plurality of voiceprint data recorded in the information recording unit 50a, there is data that matches the voiceprint data of the user U3, and the user U3 has not logged in to the karaoke system 1. It is assumed that the input of the result of the determination to the effect is received. In this case, the login processing unit 52b automatically logs in the user U3 to the karaoke system.

  On the other hand, from the determination unit 52a, among the plurality of voiceprint data recorded in the information recording unit 50a, there is data that matches the voiceprint data of the user U1, and the user U1 logs in to the karaoke system 1. It is assumed that the input of the result of the determination to the effect is received. In this case, the login processing unit 52b does not perform any special processing. Note that the login processing unit 52b does not perform any special processing even when it is determined that data matching the voiceprint data of a certain user is not included in the plurality of voiceprint data stored in the information storage unit 50a.

(Setting section)
The setting unit 52c sets a viewing restriction on at least a part of the user information of a certain user who has logged in.

  The user information of the user who has logged in to the karaoke system 1 during the singing of the karaoke is transmitted to the remote control device R attached to the karaoke device K used by the user by the information transmitting unit 52d. The transmitted user information can be browsed on the remote control device R. On the other hand, during the singing of a karaoke song by a certain user, there is a high possibility that another user is using the remote control device R, so that another user can freely check the user information of the certain user. Such a situation is inconvenient for a user who does not want other users to see the user information.

  Therefore, it is preferable that the setting unit 52c previously sets the viewing restriction on at least a part of the user information. The information to which the viewing restriction is set is determined in advance. The setting unit 52c sets the browsing restriction by setting a flag for only some items, for example. After the setting of the viewing restriction is completed, the setting unit 52c transmits a signal to that effect to the information transmitting unit 52d. It should be noted that the browsing restrictions once set can also be changed on the remote control device R side.

(Information transmission section)
After setting the viewing restriction, the information transmitting unit 52d transmits the user information of a certain user to the remote control device R attached to the karaoke device K to which the voiceprint data of the certain user has been transmitted.

== Remote control device ==
FIG. 5 is a diagram illustrating a hardware configuration example of the remote controller R. The remote control device R includes a storage unit 60, a communication unit 61, a display unit 62, an operation unit 63, and a control unit 64. Each component is connected to the bus B via an interface (not shown).

[Storage unit, communication unit, display unit, operation unit]
The storage unit 60 is a large-capacity storage device that stores various data. The communication unit 61 provides an interface for connecting the remote control device R and the karaoke device K or the server device S. The display unit 62 has a configuration for performing various displays such as a karaoke song search screen. The operation unit 63 has a configuration for performing various inputs to the remote control device R.

[Control unit]
The control unit 64 performs various controls in the remote control device R. The control unit 64 includes a CPU and a memory (both are not shown). The CPU realizes various functions by executing a program stored in the memory. In the present embodiment, the control unit 64 functions as a display processing unit 64a and an authentication processing unit 64b.

(Display processing unit)
The display processing unit 64a causes the display unit 62 to display the user information.

  As described above, when the user logs in to the karaoke system 1, the user information of the user who has logged in is transmitted from the server device S to the remote control device R. The display processing unit 64a displays the received user information on the display unit 62 based on the layout stored in the storage unit 60. The user can check his / her own singing history, scoring history, and the like by selecting an item displayed on the display unit 62.

  At this time, in the present embodiment, there is a possibility that viewing restriction is set for a part of the user information. When an item for which browsing restriction is set is selected, the display processing unit 64a displays an authentication screen instead of displaying the corresponding information. The authentication screen is, for example, a screen for requesting a password input via the operation unit 63. The password is set in advance by each user. The password is recorded as part of the user information.

(Authentication processing unit)
The authentication processing unit 64b authenticates whether to release the viewing restriction of the user information.

  The authentication processing unit 64b authenticates whether the password input on the authentication screen is the same as the password preset by the user. If the passwords match, the authentication processing unit 64b outputs a result to that effect to the display processing unit 64a. The display processing unit 64a releases the viewing restriction and causes the display unit 62 to display the corresponding user information. On the other hand, if the passwords do not match, the authentication processing unit 64b outputs a result to that effect to the display processing unit 64a. The display processing unit 64a causes the display unit 62 to display an error message without releasing the viewing restriction. As for the authentication of the browsing restriction, face authentication or fingerprint authentication can be used instead of the password.

== Processing in Karaoke System ==
Next, a specific example of processing in the karaoke system 1 according to the present embodiment will be described with reference to FIGS. 6A and 6B. FIG. 6A is a flowchart illustrating an example of a process regarding login in the karaoke system 1. FIG. 6B is a flowchart illustrating an example of processing related to browsing restriction of user information in the karaoke system 1. In this example, the information recording unit 50a of the server device S records the voiceprint data of each user acquired in advance, the user information on the karaoke singing of each user, and the log-in status of each user to the karaoke system 1. Suppose you have

[Processing related to login]
When a certain user starts singing karaoke, the extraction unit 11a of the karaoke apparatus K extracts voiceprint data from the singing voice of the certain user (voiceprint data extraction; step 10). The transmission processing unit 11b transmits the voiceprint data extracted in Step 10 to the server device S (transmission of voiceprint data. Step 11).

  The determination unit 52a determines whether or not there is data matching the voiceprint data transmitted in step 11 among a plurality of voiceprint data recorded in the information recording unit 50a, and a user logs in to the karaoke system 1. Is determined.

  If it is determined that data matching the voiceprint data of a certain user is present in a plurality of voiceprint data stored in the information storage unit 50a (in the case of Y in step 12), If the user has not logged in (step S13: Y), the login processing unit 52b logs in a certain user to the karaoke system (login processing; step 14).

[Processing related to viewing restrictions]
The setting unit 52c sets a viewing restriction on at least a part of the user information of a certain user who has logged in in step 14 (setting of viewing restriction; step 20).

  After setting the browsing restriction, the information transmitting unit 52d transmits the user information of a certain user to the remote control device R attached to the karaoke device K used by the certain user (the user information having the restricted browsing is transmitted). Transmission, step 21).

  The display processing unit 64a causes the display unit 62 to display the user information transmitted in Step 21 (displays the user information. Step 22).

  Here, when the user selects the user information for which the viewing restriction is set, the display processing unit 64a displays an authentication screen.

  The authentication processing unit 64b authenticates whether or not the viewing restriction on the user information is released in response to the user's input on the authentication screen (authentication for releasing the viewing restriction. Step 23).

  When an authentication result indicating that the viewing restriction is released is obtained (Y in step 24), the authentication processing unit 64b outputs a signal to that effect to the display processing unit 64a. The display processing unit 64a displays the user information whose viewing restriction has been released (displays the user information whose viewing restriction has been released. Step 25).

  As is clear from the above, the server apparatus S according to the present embodiment stores the voiceprint data of each user acquired in advance, the user information on the karaoke singing of each user, and the login status of each user to the karaoke system 1. When a certain user sings a karaoke song using the information recording unit 50a to be recorded and the karaoke apparatus K, the certain user includes the karaoke song among a plurality of voiceprint data recorded in the information recording unit 50a. The determination unit 52a determines whether there is data that matches the voiceprint data extracted from the singing voice of the certain user when the user starts the singing voice, and whether the certain user logs in to the karaoke system 1. If it is determined that there is data matching the voiceprint data of a certain user among a plurality of voiceprint data, If you are not logged into the system 1, having a login processing unit 52b for performing a login to the karaoke system 1 of the certain user.

  According to such a server device S, the login status is determined based on the voiceprint data extracted from the singing voice of the user when the user starts karaoke singing, and the user who has not logged in is determined. You can log in automatically. Therefore, even a user who feels troublesome to log in can log in to the karaoke system 1 easily and can use various services. That is, according to the server device S according to the present embodiment, when a user sings karaoke without logging in, the user can be automatically logged in to the karaoke system 1.

  In addition, the server device S according to the present embodiment includes a setting unit 52c that sets a viewing restriction on at least a part of the user information of a certain user who has logged in, a setting unit 52c that sets the viewing restriction, and An information transmitting unit 52d for transmitting the user information to the remote control device R attached to the karaoke device K used by the certain user.

  By setting the browsing restriction on the user information, it is possible to prevent the browsing of user information (for example, singing history or scoring history) that is not desired to be seen by other users.

  The karaoke system 1 according to the present embodiment includes a server device S and a karaoke device K. The karaoke apparatus K includes an extraction unit 11a that extracts voiceprint data from a singing voice of a certain user when a certain user starts singing karaoke, and a transmission processing unit that transmits the extracted voiceprint data to the server apparatus S. 11b. The server device S includes an information recording unit 50a that records voiceprint data of each user acquired in advance, user information on karaoke singing of each user, and a log-in status of each user to the karaoke system, and an information recording unit 50a. It is determined whether there is data matching the voiceprint data of the certain user extracted by the extraction unit 11a among the plurality of recorded voiceprint data, and whether the certain user has logged in to the karaoke system. The determination unit 52a determines whether the data matching the voiceprint data of a certain user is present in a plurality of voiceprint data, and that the certain user is not logged in to the karaoke system 1. A login processing unit 52b for logging in to the karaoke system 1 of the user.

  According to such a karaoke system 1, when a user sings a karaoke song without logging in, the karaoke device K extracts voiceprint data from the singing voice, thereby making a determination on the server device S side (the determination unit 52a). The processing can be performed smoothly, and the user can be automatically logged in to the karaoke system 1. In addition, since the voiceprint data of the user is extracted by the extraction unit 11a at the time of the start of the karaoke song of the user, the nickname and avatar set for communication with other users can be promptly used, Moreover, the recording of the singing history and the scoring history after the end of the karaoke performance can be reliably executed, and the service by login can be enjoyed.

  Further, the karaoke system 1 has a remote control device R attached to the karaoke device K. The server device S includes a setting unit 52c for setting a viewing restriction on at least a part of the user information of a certain user who has logged in. After setting the viewing restriction, the setting unit 52c changes the user information of the certain user to the certain user. And an information transmitting unit 52d for transmitting to the remote control device R attached to the karaoke device K to which the voice print data of the karaoke device K has been transmitted. The remote control device R has a display processing unit 64a for displaying the user information on the display unit 62, and an authentication processing unit 64b for performing authentication as to whether or not the viewing restriction of the user information is released.

  In this way, it is possible to prevent the user information (for example, the singing history and the scoring history) that is not desired to be seen by other users from being browsed among the user information on the user who has automatically logged in.

<Others>
In the above-described embodiment, an example has been described in which the karaoke apparatus K extracts voiceprint data from singing voice and transmits the voiceprint data to the server apparatus S. However, the present invention is not limited to this. The karaoke device K may transmit the singing voice to the server device S, and the server device S may extract voiceprint data from the singing voice.

  The above embodiments have been 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 spirit 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 equivalents thereof.

1 Karaoke system 11a Extraction unit 11b Transmission processing unit 50a Information recording unit 52a Judgment unit 52b Login processing unit 52c Setting unit 52d Information transmission unit 64a Display processing unit 64b Authentication processing unit K Karaoke device R Remote control device S Server device

Claims (4)

A karaoke system having a server device and a karaoke device,
The karaoke device,
An extraction unit that extracts voiceprint data from a singing voice of the user when the user starts karaoke singing;
A transmission processing unit for transmitting the extracted voiceprint data to the server device;
Has,
The server device,
An information recording unit that records voiceprint data of each user acquired in advance, user information on karaoke singing of each user, and a log-in status of each user to the karaoke system,
Whether the plurality of voiceprint data recorded in the information recording unit includes data that matches the voiceprint data of the certain user extracted by the extraction unit, and whether the certain user logs in to the karaoke system. A determination unit for determining whether or not
If it is determined that data matching the voiceprint data of the certain user exists in the plurality of voiceprint data, and if the certain user is not logged in to the karaoke system, the karaoke system of the certain user is A login processing unit for performing login of
Karaoke system with a. The karaoke system has a remote control device attached to the karaoke device,
The server device,
A setting unit that sets viewing restrictions on at least a part of the user information of the user who has logged in,
After setting the viewing restriction, an information transmitting unit that transmits the user information of the certain user to a remote control device attached to the karaoke device to which the voiceprint data of the certain user has been transmitted,
Has,
The remote control device,
A display processing unit for displaying the user information on a display unit,
An authentication processing unit for performing authentication as to whether or not to release the viewing restriction of the user information;
The karaoke system according to claim 1, further comprising: An information recording unit that records voiceprint data of each user acquired in advance, user information on karaoke singing of each user, and a log-in status of each user to the karaoke system,
When a certain user sings a karaoke song using the karaoke apparatus, a plurality of voiceprint data recorded in the information recording unit is triggered by the fact that the certain user started singing a karaoke song. A determination unit that determines whether there is data matching the voiceprint data extracted from the singing voice of the user, and whether the user is logged in to the karaoke system;
If it is determined that there is data matching the voiceprint data of the certain user among the plurality of voiceprint data, and if the certain user has not logged in to the karaoke system, the karaoke system of the certain user A login processing unit for logging in to
Server device having A setting unit that sets viewing restrictions on at least a part of the user information of the user who has logged in,
After setting the viewing restriction, an information transmitting unit that transmits the user information of the certain user to a remote control device attached to the karaoke device to which the voiceprint data of the certain user has been transmitted,
The server device according to claim 3, comprising:

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