JP5580962B2 - Karaoke music selection system using personal portable terminal - Google Patents

Description

  The present invention relates to a karaoke music selection system for selecting music when using karaoke, and more particularly to a karaoke music selection system capable of selecting music using a personal portable terminal owned by a user.

  In recent years, personal mobile terminals, particularly mobile phones, have become multifunctional, and it has become possible to browse various websites and download contents. In addition, the spread of such personal portable terminals is remarkable, and it is no exaggeration to say that they own one by one.

  By the way, in the currently popular karaoke performance terminals, a dedicated remote control device is used for reservation of music selection, but a personal portable terminal that can be used as various remote control devices by installing application software. Have also been developed (see, for example, Patent Document 1 and Patent Document 2).

  The technique described in Patent Literature 1 is configured to perform various settings of a lighting fixture by downloading application software for lighting fixture operation from a server in advance via a network and installing the application software on a portable terminal. It is a thing.

  Further, the technology described in Patent Document 2 relates to a communication karaoke performance terminal that makes it possible to search and make a reservation for a requested song more easily and lighter than before by using a mobile phone. A key panel, a liquid crystal display, means for communicating with the table of contents server via a mobile phone network, and means for sending an IrDA signal to the karaoke performance terminal are provided. Then, when the table of contents server responds to a call from the mobile phone and enters a call state, the mobile phone notifies the table of contents of the user's personal ID and the individual table of contents. The table of contents server searches the corresponding individual table of contents data based on the personal ID notified from the mobile phone and the search condition, and transmits the music name and the music ID as a search result to the mobile phone. The mobile phone displays a list of received music names, and sends out the music ID specified by the user's operation input using an IrDA signal.

  Therefore, by using such a function, a karaoke user can perform a music selection reservation operation using a personal portable terminal that the karaoke user owns without using a dedicated remote control device provided in the karaoke shop. it can. In particular, when karaoke is enjoyed by a large number of people, there is an advantage that it is not necessary to use the remote control device, and the user can perform a music selection reservation operation at a timing desired by each user.

JP 2011-29053 A JP 2000-148169 A

  However, the above-described technology attempts to exert the function of the remote control device by using the infrared communication function of a personal portable terminal such as a mobile phone, and there are a plurality of types of infrared communication methods. Therefore, when making a karaoke music selection reservation using a personal portable terminal, the personal portable terminal must be compatible with the infrared communication method of the karaoke performance terminal. In addition, in order to make a music selection reservation using the infrared communication function, it is necessary for the infrared receiving device of the karaoke performance terminal to receive an infrared signal transmitted from the infrared transmitting device of the personal portable terminal, depending on the seating position of the user. May not be able to perform infrared communication.

  By the way, the karaoke performance terminal can communicate with a karaoke server via a communication line such as an internet line. Therefore, if the music selection reservation data from the personal portable terminal is transmitted to the karaoke performance terminal via the mobile phone network and the Internet line, the personal portable terminal can be used as a remote control device for music selection reservation without using the infrared communication function. Can do.

  That is, it is conceivable to make a reservation for selecting a karaoke piece by using a data communication function via a mobile phone network used by the personal portable terminal. Specifically, the mobile site is accessed using a personal mobile terminal, music selection application software corresponding to a predetermined karaoke performance terminal is downloaded, and the music selection application software is installed in the personal mobile terminal. Then, by inputting necessary data (for example, IP address, performance terminal ID, UDID (Unique Device Identifier) of the personal portable terminal), the personal portable terminal is associated with the karaoke performance terminal, and the personal portable terminal is selected. It can be used as a remote control device for reservation.

  However, in the usage of the personal portable terminal as described above, when the personal portable terminal is taken out of the karaoke store with the personal portable terminal and the karaoke performance terminal being associated with each other (logged-in state), outside the karaoke store, Will also be available for reservation selection. In this state, if a music selection reservation is made from outside the karaoke store due to mischief or the like, the music selection reservation of the user who normally uses the karaoke performance terminal will be confused.

  The present invention has been proposed in view of the above-described circumstances. When a personal portable terminal is used as a remote control device for karaoke music selection reservation, a music selection reservation operation due to mischief or the like is not performed from outside a karaoke store or the like. An object of the present invention is to provide a system capable of preventing the music selection reservation operation from being confused.

  The karaoke music selection system using the personal portable terminal of the present invention has the following features in order to achieve the above-described object. That is, the karaoke music selection system using the personal portable terminal of the present invention includes a key code issuing means, music selection management information display means, music selection management information acquisition means, music selection reservation information transmission means, music selection reservation information transfer means, And a music selection reservation means.

  The key code issuing means is a means for issuing a key code for allowing a music selection reservation using a personal portable terminal every time a predetermined time elapses in a karaoke performance terminal. The music selection management information display means is means for displaying music selection management information including the issued key code and the performance terminal ID for identifying the karaoke performance terminal on the display screen of the display device. The music selection management information acquisition means is means for acquiring music selection management information displayed on the display screen of the display device and storing it in a memory in a personal portable terminal that makes a music selection reservation. The music selection reservation information transmission means relays the music selection management information stored in the memory of the personal mobile terminal and the music ID of the music selected by the music selection function of the personal mobile terminal via the communication network of the personal mobile terminal. Means for sending to the server. The music selection reservation information transfer means transmits at least the key code included in the received arbitrary music selection management information and the received music ID to the karaoke performance terminal having the performance terminal ID included in the music selection management information in the relay server. It is a means for transferring. The music selection reservation means collates the issued key code with the received key code at the karaoke performance terminal, and if they match, performs a music selection reservation based on the received song ID together with the received key code. If the two do not match, the music selection reservation based on the music ID received together with the received key code is not performed.

  In addition to the above-described configuration, the music selection reservation means can have a function of collating the received key code with a key code issued before a predetermined time from the current time as a key code to be collated. It is.

  In the karaoke music selection system having such a configuration, a personal mobile terminal is used to access a mobile WWW server in advance, music selection application software corresponding to a predetermined karaoke performance terminal is downloaded, and the music selection application software is downloaded to the personal mobile terminal. Install on the terminal. Then, in order to make a music selection reservation using a personal portable terminal, a key code for permitting a music selection reservation using the personal portable terminal is issued by the function of the key code issuing means every time a predetermined time elapses. The music selection management information including the issued key code and the performance terminal ID for identifying the karaoke performance terminal is displayed by the function of the music selection management information display means. Specifically, the key code is updated every time a predetermined time elapses. Then, the music selection management information including the key code and the performance terminal ID is converted into a two-dimensional bar code and displayed on the display screen of the display device.

  A user who wants to make a music selection reservation reads the music selection management information converted into a two-dimensional barcode using the barcode reading function of the personal mobile terminal in the music selection reservation operation using the personal mobile terminal. Then, the music selection management information is acquired by the function of the music selection management information acquisition means and stored in the memory of the personal portable terminal.

  When the music selection operation is completed on the personal portable terminal in which the music selection management information is stored, the music selection management information and the music ID of the selected music are transmitted by the function of the music selection reservation information transmitting means. Network) to a relay server (for example, a karaoke server). In the relay server, the function of the music selection reservation information transfer means transfers the key code included in the received music selection management information and the received music ID to the karaoke performance terminal having the performance terminal ID included in the music selection management information. In the karaoke performance terminal, the key code issued by the key code issuing means and the key code received via the relay server are collated by the function of the music selection reservation means.

  And when both correspond, the music selection reservation based on music ID received with the key code is performed. On the other hand, if they do not match, the music selection reservation based on the music ID received together with the key code is not performed.

  Also, the music selection reservation means can determine whether or not to make a music selection reservation by using the key code issued within a predetermined time as a key code to be verified. In this case, the key code issued within a predetermined time is compared with the received key code to determine whether or not to make a music selection reservation.

  According to the karaoke music selection system using the personal portable terminal of the present invention, when the personal portable terminal is used as a remote control device for karaoke music selection reservation, every time a predetermined time passes a key code for permitting music selection reservation. The user who cannot know the valid key code can make a karaoke song reservation reservation using a personal portable terminal because the music selection reservation other than the song ID received with this key code is not permitted. Can not. Therefore, even if an attempt is made to perform a music selection reservation operation from outside the karaoke store, a valid key code cannot be known, so that it is possible to prevent the regular music selection reservation operation from being confused.

  In addition, since a new key code is issued every time a predetermined time elapses, the same key code cannot be used indefinitely, and the confidentiality of the key code can be improved. In this case, if the key code issued within the specified time is used as the key code to be verified, the previous key code can be used immediately after the key code is updated or when the key code is not updated. Even if a music selection reservation is made using the, the key code is handled as long as it is within the specified time, so even if a music selection reservation is made at the switching timing of the issued key code, a new key code is entered again. It is possible to save time and improve user convenience.

Functional explanatory drawing of the karaoke music selection system which concerns on embodiment of this invention. The block diagram which shows the structure of the karaoke music selection system which concerns on embodiment of this invention. The block diagram which shows the structure of the karaoke server to which the karaoke music selection system which concerns on embodiment of this invention is applied. The flowchart which shows the procedure of the music selection reservation permission judgment in the karaoke music selection system which concerns on embodiment of this invention.

  Hereinafter, an embodiment of a karaoke music selection system using a personal portable terminal of the present invention will be described with reference to the drawings. 1 to 4 show a karaoke music selection system according to an embodiment of the present invention. FIG. 1 is a functional explanatory diagram of the karaoke music selection system, FIG. 2 is a block diagram of the karaoke music selection system, and FIG. 3 is a block diagram of a karaoke server. FIG. 4 is a flowchart showing a procedure for determining whether or not to select a music selection reservation.

<Outline of karaoke music selection system>
The karaoke music selection system according to the embodiment of the present invention is a system capable of performing music selection using a personal portable terminal owned by a user, and has a key code for permitting a music selection reservation at an arbitrary karaoke performance terminal. It is issued each time a predetermined time elapses, and only when a valid key code is included in the music selection reservation information, the music selection reservation is made.

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

  As shown in FIG. 1, the karaoke music selection system 10 includes a key code issuing means 67, music selection management information display means 68, music selection management information acquisition means 51, music selection reservation information transmission means 52, and music selection reservation information transfer means. 25 and music selection reservation means 69. In this embodiment, the key code issuing means 67, the music selection management information display means 68, and the music selection reservation means 69 are constituent elements of the karaoke performance terminal 30 (the karaoke main body 31), and the music selection management information acquisition means 51, the music selection reservation means. The information transmission means 52 is a constituent element of the personal portable terminal 50, and the music selection reservation information transfer means 25 is a constituent element of the karaoke server 20 (relay server). The function of each means will be described in detail later.

<Karaoke music selection system>
As shown in FIG. 2, in the karaoke music selection system 10 according to the embodiment of the present invention, a karaoke server 20 and a plurality of karaoke performance terminals 30 are connected to each other via a communication network (the Internet 40 in this embodiment). ing. The communication network can use a public telephone line, a dedicated telephone line, an optical communication line, a LAN, etc., but it is difficult for a third party to invade the network and to listen to and tamper with data, and without monopolizing the bandwidth. It is preferable to use a VPN constituted by the Internet 40 in that it is an inexpensive communication network.

<Karaoke server>
The karaoke server 20 is a server that functions as a relay server, and includes server control means 21, karaoke data processing means 22, karaoke data storage means 23, transmission / reception means 24, and music selection reservation information transfer means 25 as shown in FIG. ing. The karaoke server 20 does not function as a relay server, but a server that functions only as a relay server may be separately constructed, or a server having other functions may have a function as a relay server. .

<Server control means / transmission / reception means>
The server control means 21 is a means for comprehensively controlling the karaoke server 20, and is configured to include a CPU and its peripheral devices. The CPU or the like operates according to a program stored in a ROM or the like, and performs a control function. It comes to show. The transmission / reception means 24 is means for transmitting / receiving various data such as karaoke data to / from each karaoke performance terminal 30, and includes a communication circuit for maintaining the consistency of the communication system in the communication network (Internet 40), Consists of programs.

<Karaoke data processing means / Karaoke data storage means>
The karaoke data processing means 22 includes a program for accessing the karaoke data storage means 23 and processing extraction, change, and addition of karaoke data. The karaoke data storage means 23 is a device for storing karaoke data distributed to each karaoke performance terminal 30, and is composed of, for example, an HDD.

<Music selection reservation information transfer means>
The music selection reservation information transfer means 25 receives the key code included in the arbitrary music selection management information 53a transmitted from the music selection reservation information transmission means 52 and the music ID received together with the music selection management information 53a. Is comprised of a program for transferring to the karaoke performance terminal 30 having the performance terminal ID included in the.

<Karaoke performance terminal>
As shown in FIG. 2, the karaoke performance terminal 30 includes a karaoke main body 31, a speaker 32, a microphone 33, a display device 34, and a mixing amplifier 35. Note that the karaoke performance terminal 30 according to the embodiment of the present invention uses the personal portable terminal 50 as a music selection reservation remote control device, but for a user who does not use the personal portable terminal 50, a dedicated karaoke remote control device 36 is used. It is preferable to provide. In this embodiment, an input / output display device (not shown) attached to the karaoke remote control device 36 may function as a display device for displaying the music selection management information 53a.

<Karaoke body>
As shown in FIG. 2, the karaoke main body 31 includes a network transmission / reception means 61, a central control means 62, a ROM 63, a RAM 64, an HDD 65, a local transmission / reception means 66, a key code issuing means 67, a music selection management information display means 68, and a music selection reservation means 69. A reservation management means 70, a music reproduction control means 71, and a video reproduction control means 72.

<Central control means>
The central control means 62 is a means for comprehensively controlling the karaoke main body 31 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 63 or the like. The function can be demonstrated.

<ROM / RAM>
The ROM 63 is a device for storing program data and numerical data for controlling each device constituting the karaoke main body 31, and is composed of, for example, a semiconductor memory. The RAM 64 functions as a temporary storage area for temporarily storing programs and various data, and is constituted by, for example, a semiconductor memory. Note that the virtual RAM 64 may be configured using a hard disk storage device or the like instead of configuring the RAM 64 with a physical semiconductor memory. In the present embodiment, the RAM 64 stores the reservation queue 64 a and the key code (issued key code 64 b) issued by the key code issuing means 67.

<Reservation queue>
The reservation queue 64a is a data table in which song IDs are arranged in order of performance for karaoke songs reserved for music selection. The reservation queue 64a may include data such as a song name and a song selector in addition to the song ID.

<HDD>
The HDD 65 functions as a mass storage device and stores a music database 65a and a video database 65b. Note that a mass storage device such as a DVD capable of rewriting data may be used instead of the HDD 65 or together with the HDD 65.

<Music database / video database>
The music database 65a is a database configured by associating music control data (MIDI (registered trademark) 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 65b is data 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.

<Transmitting / receiving means>
The local transmission / reception means 66 includes an electronic circuit and a program for transmitting / receiving data between the karaoke main body 31 and the karaoke remote control device 36. In the present embodiment, data is transmitted and received between the karaoke main body 31 and the karaoke remote control device 36 by infrared communication. The network transmission / reception means 61 includes an electronic circuit and a program for transmitting / receiving data between the karaoke main body 31 and the karaoke server 20.

<Key code issuing means>
The key code issuing means 67 is a program for issuing a key code for permitting a music selection reservation for permitting a music selection reservation using the personal portable terminal 50 in the karaoke performance terminal 30 every time a predetermined time elapses. Become. That is, the key code is newly issued every time a predetermined time has elapsed. The key code is made up of, for example, a four-digit number or a two-dimensional barcode obtained by barcode conversion. The issued key code is stored in the RAM 64 as the issued key code 64b.

<Music selection management information display means>
The music selection management information display means 68 includes a program for displaying music selection management information 53a including the issued key code and the performance terminal ID for identifying the karaoke performance terminal 30 on the display screen of the display device 34. . That is, the music selection management information display means 68 converts the music selection management information 53a consisting of, for example, a four-digit key code and a performance terminal ID for identifying the karaoke performance terminal 30 into a two-dimensional bar code and displays it. It is displayed on the display screen of the device 34. The display device 34 for displaying the music selection management information 53a may be a display device 34 for displaying a background video, lyrics telop or the like related to the karaoke music, or an input / output display attached to the karaoke remote control device 36. It may be a device (not shown). Further, when the music selection management information 53a is displayed on the display screen of the display device 34, the music selection management information 53a may be encrypted with a predetermined algorithm and displayed as a number having a predetermined number of digits.

<Music selection reservation means>
The music selection reservation means 69 compares the issued key code (issued key code 64b) with the received key code (input key code), and if they match, the received key code (input key code). When the music selection reservation based on the received music ID is performed and the two do not match, the music selection reservation is not performed based on the received music ID together with the received key code (input key code). When it is determined that the music selection reservation means 69 makes a music selection reservation, the reservation management means 70 manages the reserved music.

  In the music selection reservation means 69, it is preferable that the key code issued before a predetermined time from the current time is collated with the received key code as the issuance key code 64b to be collated.

<Reservation management means>
The reservation management means 70 includes a program for arranging the music IDs of the music pieces for which the music selection reservation is permitted to be arranged in the order of performance to generate the reservation queue 64a, and storing and managing the reservation queue 64a in the RAM 64. When the music selection reservation is made by the karaoke remote control device 36, the reservation management means 70 arranges the music IDs of the songs selected by the user using the music selection function of the karaoke remote control device 36 in the order of performance, and the reservation queue. 64a is generated.

<Music playback control means>
The music reproduction control means 71 is an electronic circuit for digitally reproducing the sound source data based on the performance control data extracted from the music database 65 a 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 71, and amplifies it by the amplifier function to be amplified by the speaker 32. It is a device for outputting more.

<Video playback control means>
The video playback control means 72 synchronizes the background video data extracted from the video database 65b and the lyric rendering data (telop data) included in the music database 65a with the performance data of the karaoke music during the performance of the karaoke music. And a program for outputting to the display device 34.

<Microphone>
The microphone 33 is a device for inputting singing voice. The singing voice signal inputted from the microphone 33 is inputted to the mixing amplifier 35, mixed with the performance voice signal sent from the music reproduction control means 71, amplified and outputted to the speaker 32.

<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.

<Personal mobile terminal>
The personal portable terminal 50 may have a music selection reservation function by downloading the music selection application software 91 stored in the mobile WWW server 90 using the data communication function and installing the music selection application software 91. it can. When the music selection application software 91 is installed in the personal portable terminal 50, the personal portable terminal 50 is equipped with a program that functions as the music search means 54 and can select music. The personal portable terminal 50 also includes a memory 53 for storing a program that functions as the music selection management information acquisition unit 51, a program that functions as the music selection reservation information transmission unit 52, music selection management information 53a, and a music ID 53b of the selected music. ing.

  The mobile WWW server 90 connected to the personal mobile terminal 50 via the mobile telephone network 80 stores music selection application software 91 and a music index database 92. The function of the music search means 54 provided in the personal mobile terminal 50 is as follows. Thus, the music can be searched with reference to the music index database 92. Instead of storing the music index database 92 in the mobile WWW server 90, the music index database 92 may be downloaded to the personal portable terminal 50 and searched for music locally.

<Music search means / music index database>
The music search means 54 includes a program for searching for music by referring to the music index database 92 based on a user instruction. The song index database 92 is a database describing attribute information of karaoke songs to be played on the karaoke performance terminal 30. For example, song ID, song name, singer name, lyrics of the singing part, trend time, music This includes various attribute information such as genre classification and whether or not it is a duet song.

<Music selection management information acquisition means>
The music selection management information acquisition means 51 includes a program for acquiring music selection management information 53 a displayed on the display screen of the display device 34 and storing it in the memory 53. As described above, since the music selection management information 53a converted into a two-dimensional bar code is displayed on the display screen of the display device 34, the music selection management information acquisition means 51 is a bar code reader attached to the personal portable terminal 50. The music selection management information 53a can be acquired using (not shown). When the music selection management information 53a includes a predetermined number of digits, the user who views the display screen of the display device 34 inputs the number using a numeric keypad attached to the personal portable terminal 50 or the like. Thus, the music selection management information acquisition means 51 may be acquired.

<Music selection reservation information transmission means>
The music selection reservation information transmitting means 52 uses the music selection management information 53a stored in the memory 53 and the music ID of the music selected by the music selection function of the personal mobile terminal 50 to communicate with the communication network (mobile phone) of the personal mobile terminal 50. It consists of a program for transmitting to the karaoke server 20 via the network 80) and the Internet 40.

<Permission judgment for music selection reservation>
Next, with reference to FIG.1 and FIG.4, the music selection reservation permission determination in the karaoke music selection system 10 of this embodiment is demonstrated.

  In the karaoke music selection system 10 of the present embodiment, a key code is issued by the function of the key code issuing means 67 as shown in FIG. Then, by the function of the music selection management information display means 68, music selection management information 53 a composed of the key code and the portable terminal identification ID for identifying the karaoke performance terminal 30 is displayed on the display device 34, and the music selection management information acquisition means 51 The function is stored in the memory 53 of the personal portable terminal 50. In the personal portable terminal 50, the music selection management information 53 a stored in the memory 53 and the music ID of the selected music are relayed via the mobile phone network 80 and the Internet 40 by the function of the music selection reservation information transmitting means 52. It transmits to the karaoke server 20 which functions as a server. In the karaoke server 20, by the function of the music selection reservation information transfer means 25, the key code included in the music selection management information 53a and the music ID received together with the music selection management information 53a, the performance terminal ID included in the received music selection management information 53a. Are transferred to the karaoke performance terminal 30.

  In the karaoke performance terminal 30, in order to make a music selection reservation using the personal portable terminal 50, as shown in FIG. The music selection management information 53a including the performance terminal ID to be displayed is displayed on the display screen of the display device 34 by the function of the music selection management information display means 68 (S1). Further, as described above, the input key code and the music ID transmitted from the personal portable terminal 50 and transferred via the karaoke server 20 are received (S2), and the received key code (input key code); The issued key code (issued key code 64b) is collated (S3).

  Then, it is determined whether or not the input key code and the issued key code 64b match (S4). If the input key code and the issued key code 64b match, the music selection based on the received music ID is performed. Make a reservation (S5). On the other hand, if the input key code and the issued key code 64b do not match, the music selection reservation based on the received music ID is not performed.

<Other embodiments>
The devices and means constituting the karaoke music selection system 10 and its peripheral devices using the personal portable terminal 50 of the present invention are not limited to those described above, and only necessary devices and means may be configured according to the purpose of use. Other devices and means can be added as appropriate. 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 Karaoke selection system 20 Karaoke server 21 Server control means 22 Karaoke data processing means 23 Karaoke data storage means 24 Transmission / reception means 25 Music selection reservation information transfer means 30 Karaoke performance terminal 31 Karaoke main body 32 Speaker 33 Microphone 34 Display device 35 Mixing amplifier 36 Karaoke remote controller Device 40 Internet 50 Personal mobile terminal 51 Music selection management information acquisition means 52 Music selection reservation information transmission means 53 Memory 53a Music selection management information 53b Music ID
54 Music search means 61 Network transmission / reception means 62 Central control means 63 ROM
64 RAM
64a Reservation queue 64b Issuance key code 65 HDD
65a Music database 65b Video database 66 Local transmission / reception means 67 Key code issuing means 68 Music selection management information display means 69 Music selection reservation means 70 Reservation management means 71 Music playback control means 72 Video playback control means 80 Mobile phone network 90 Mobile WWW server 91 For music selection Application software 92 Music index database

Claims (2)

A karaoke song selection system for making a song selection reservation in a karaoke performance terminal using a personal portable terminal having a song selection reservation function for karaoke songs, wherein a key code issuing means, song selection management information display means, and song selection management information acquisition Means, music selection reservation information transmission means, music selection reservation information transfer means, and music selection reservation means,
The key code issuing means, in the karaoke performance terminal, issues a key code for permitting a music selection reservation using the personal portable terminal every time a predetermined time elapses,
The music selection management information display means displays music selection management information including a performance terminal ID for identifying the issued key code and the karaoke performance terminal on a display screen of a display device,
The music selection management information acquisition means acquires the displayed music selection management information in the personal portable terminal and stores it in a memory.
The music selection reservation information transmission means transmits the stored music selection management information and the music ID of the music selected by the music selection function of the personal mobile terminal to the relay server via the communication network of the personal mobile terminal. ,
In the relay server, at least the key code included in the received arbitrary music selection management information and the music ID are transmitted to the karaoke performance terminal having the performance terminal ID included in the music selection management information. Forward,
In the karaoke performance terminal, the music selection reservation means compares the issued key code with the received key code, and if they match, based on the received song ID together with the received key code. If the music selection reservation is made and the two do not match, the music selection reservation based on the received music ID together with the received key code is not made.
A karaoke music selection system using a personal portable terminal. The music selection reservation means collates the received key code with a key code issued before a predetermined time from the current time as a key code to be collated.
A karaoke music selection system using the personal portable terminal according to claim 1.

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