JP6208439B2 - Performance key matching system in network chorus - Google Patents

Description

  The present invention relates to a performance key matching system in network chorus. For example, when performing a duet using karaoke performance terminals connected to each other via a network, each singer has a different performance key. The present invention relates to a system capable of performing singing without a sense of incongruity even when singing.

  Some karaoke systems connected to a network have a function of performing network chorus (for example, duet) by a plurality of singers between different karaoke performance terminals. In the karaoke system having the network chorus function, based on the agreement between users who desire network chorus, the performance of the same karaoke music is started at the same time. Can watch.

  When performing a network chorus such as a duet via a communication network, it is necessary to select a chorus partner, and a system is disclosed in which a profile of the chorus partner can be confirmed in advance (see, for example, Patent Document 1).

  The technique described in Patent Document 1 is a system in which, for example, in a karaoke box, when a duet with a user entering a different room is desired, the profile of the duet partner can be confirmed in advance. This information providing system stores user profile information of each karaoke performance terminal by a centralized management device. Then, when the karaoke performance terminal notifies the central management device of a request for disclosure of predetermined user profile information based on an instruction from the user, the central management device transmits the user profile information of other karaoke performance terminals, It is supplied to karaoke terminals that have requested information disclosure.

Japanese Patent Laid-Open No. 10-268885

  As mentioned above, when performing network chorus, it is necessary to know the profile of the partner singer, but it is also necessary that the ranges (pitch ranges) of each other are almost the same. is there. In other words, when the ranges of sound are different from each other, it is not possible to perform a singing with the same pitch, and when it is matched to the range of one of the singers, the other singer may not be able to sing.

  In this case, even if a singing partner is selected to perform network chorus, network chorus cannot actually be performed, and the network chorus function cannot be fully utilized.

  The present invention has been proposed in view of the above-described circumstances. When performing network chorusing in a karaoke system in which a plurality of karaoke performance terminals are connected to a network, the difference in setting of performance keys in each karaoke performance terminal is corrected. An object of the present invention is to provide a performance key matching system in network chorus that enables each singer to sing with a favorite performance key.

The performance key matching system in network chorus according to the present invention has been proposed to achieve the above-described object and has the following features. That is, the performance key matching system in the network chorus according to the present invention simultaneously plays the same karaoke music at a plurality of network-connected karaoke performance terminals, and the singing voices input at each karaoke performance terminal are mutually different. It has the function to perform network chorus by transmitting to the karaoke performance terminal and playing it, and when the performance keys set at the time of music reservation on each karaoke performance terminal are different, the pitch of the singing voice at each karaoke performance terminal is matched A system for outputting includes a performance key setting means, a performance key information transmission means, and a pitch change means.

  Each means is a means provided in each karaoke performance terminal. The performance key setting means is a means for setting performance keys of karaoke music pieces to be played on the network at each karaoke performance terminal. The performance key information transmitting means is means for transmitting the set performance keys to other karaoke performance terminals at each karaoke performance terminal. The pitch changing means is input at the one karaoke performance terminal based on the difference between the performance key set at one karaoke performance terminal and the performance key received from the other karaoke performance terminal, and at the other karaoke performance terminal. It is means for changing the pitch of the singing voice to be output so as to match the performance key set in the other karaoke performance terminal.

  In the performance key matching system in network chorus having such a configuration, a function for performing network choral is set in advance to perform network choral among users of a plurality of karaoke performance terminals connected to the network. The same karaoke music performance is started simultaneously at each karaoke performance terminal. And network chorus can be performed by transmitting the singing voice | voice input by each karaoke performance terminal to another karaoke performance terminal. In network chorus, not only the function of two users performing a duet, but also a function of allowing three or more users to sing at the same time may be provided.

  In each karaoke performance terminal in which the network chorus is set, the performance key of the karaoke music to be networked is set by the function of the performance key setting means as desired by the user. The performance keys set in each karaoke performance terminal are transmitted to other karaoke performance terminals via the communication network by the function of the performance key information transmission means.

  And when performing network chorus, it is input at one karaoke performance terminal based on the difference between the performance key set by itself and the performance key received from another karaoke performance terminal by the function of the pitch changing means, The pitch of the singing voice output at the other karaoke performance terminal is changed to match the performance key set at the other karaoke performance terminal.

  In this pitch change process, the pitch of the singing voice input to its own karaoke performance terminal is changed based on the difference from the performance key received from the other karaoke performance terminal, and the performance key of the other karaoke performance terminal is used. You may make it correspond and you may transmit to the said other karaoke performance terminal. In addition, the singing voice received from another karaoke performance terminal is changed in pitch based on the difference from the performance key of the other karaoke performance terminal, and is matched with the performance key of the own karaoke performance terminal. You may output with a terminal. That is, the pitch change process may be performed on the singing voice before transmission or on the singing voice after reception.

  For example, in the karaoke performance terminal (1), “+2” is set for the original song key, and in the karaoke performance terminal (2), “−1” is set for the original song key. Assume that

  In this case, the karaoke performance terminal (1) performs with the performance key “+2” with respect to the original music key, and the user sings with the performance key. Here, since the singing voice transmitted from the karaoke performance terminal (2) to the karaoke performance terminal (1) is “−1” with respect to the original music key, the pitch of the singing voice is set to the difference between the two. Is changed to “+3” and output as a singing voice of “+2” with respect to the original music key. The pitch change may be performed at the karaoke performance terminal (2).

  On the other hand, at the karaoke performance terminal (2), a performance is performed with the performance key "-1" with respect to the original music key, and the user sings with the performance key. Here, since the singing voice transmitted from the karaoke performance terminal (1) to the karaoke performance terminal (2) is “+2” with respect to the original music key, the pitch of the singing voice is determined by the difference between the two. A certain “−3” is changed and output as a singing voice of “−1” with respect to the original music key. The pitch change may be performed at the karaoke performance terminal (1).

  According to the performance key matching system in network chorus of the present invention, each karaoke performance terminal that performs network chorus can set performance keys according to the singer's preference, so that the singer can reasonably own You can sing in the range. And since the singing voice of the other party of network chorus is output by changing the pitch to the performance key set in each karaoke performance terminal that has received it, network chorus can be performed without a sense of incongruity.

  In this way, each singer can sing in the preferred range by correcting the difference in the performance key setting in each karaoke performance terminal, so the selection range of network choral partners can be expanded, and network choral enjoyment The height can be further increased.

The block diagram which shows the structure of the karaoke performance terminal to which the matching system of the performance key in the network chorus which concerns on embodiment of this invention is applied. The timing chart which shows the exchange procedure of performance key information. The timing chart which shows an example of the pitch change procedure of a song voice. The timing chart which shows the other example of the pitch change procedure of a song voice.

  Hereinafter, an embodiment of a performance key matching system (hereinafter abbreviated as a performance key matching system) in network chorus according to the present invention will be described with reference to the drawings. 1 to 4 show a performance key matching system according to an embodiment of the present invention. FIG. 1 is a block diagram showing the configuration of a karaoke performance terminal to which the performance key matching system is applied. FIG. FIG. 3 and FIG. 4 are timing charts showing the procedure for changing the pitch of the singing voice.

<System overview>
In the performance key matching system according to the embodiment of the present invention, the same karaoke music piece is played simultaneously at a plurality of network-connected karaoke performance terminals, and the singing voice input at each karaoke performance terminal is used as another karaoke performance. This system has a function of transmitting to a terminal and performing network chorus, and when the performance keys set in each karaoke performance terminal are different, the system is for outputting the singing voices at each karaoke performance terminal with the same pitch.

  The karaoke music described in the present embodiment is a karaoke music specified by music identification information (for example, music ID). That is, there are cases where there are a plurality of versions of karaoke songs with the same name depending on the artist, lyrics, arrangement, etc., and in this embodiment, these karaoke songs are handled separately.

  Moreover, user identification information (for example, user ID) for identifying a user is acquired when the user logs in to a system including a karaoke performance terminal. That is, in the performance key matching system of this embodiment, the ID card possessed by the user is brought close to the receiving unit of the karaoke remote control device to receive the user identification information, or the wireless communication network and network line of the portable information terminal The user identification information of the user who has logged in the system can be obtained by transmitting user identification information to the karaoke performance terminal via the mobile phone or transmitting information directly from the portable information terminal to the karaoke performance terminal. it can. Even a user who has not registered as a member may be able to log in by issuing temporary user identification information (for example, a temporary user ID).

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

  The performance key matching system according to the embodiment of the present invention performs the same karaoke musical piece at the same time on a plurality of karaoke performance terminals connected to the network, and the singing voice inputted at each karaoke performance terminal as another karaoke performance. It is assumed that it has a function of transmitting to a terminal and performing network chorus.

  For example, in this network chorus function, a karaoke performance terminal in which a user who wishes to chorus logs into the system inputs an instruction to the effect that he / she desires chorus using a karaoke remote control device or the like. When there is a chorus request instruction by the user, user identification information (for example, user ID or handle name) of the user who desires to sing, and music identification information (for example, music ID) of the karaoke song that he / she desires to sing. The chorus request information consisting of is transmitted to the management server.

  The management server manages the received choral request information in a database. Further, this database is updated at a predetermined timing. The management server creates a choir desired music list based on the music identification information included in the choral request information managed in the database. Then, when the user selects a karaoke song, the karaoke song is searched based on the input search conditions (song title, artist name, fashion season, etc.) by the function of the song search means. The search results are displayed in a list on the input / output display section of the karaoke remote control device, for example.

  At this time, referring to the desired chorus music list, the music identification information associated with the karaoke music that is the search result is the karaoke music that is included in the desired chorus music list and the karaoke music that is not included. Display identifiable. When the song identification information of the karaoke song included in the search result is present in the desired chorus list, a duet icon is displayed in the display column of the corresponding karaoke song, the display of the corresponding karaoke song is emphasized, or the corresponding This is notified by changing the display color of the karaoke song to be performed.

  When a user applying for chorus selects a karaoke song included in the choir wish list, inputs an instruction to perform the chorus, and if the user who solicited the chorus approves, both users log in to the system. The existing karaoke performance terminals shift to the chorus mode (single music mode), and the performance of the karaoke music starts at each karaoke performance terminal based on a predetermined performance start signal.

  In connection with this, the singing voice signal input into each karaoke performance terminal is transmitted to the karaoke performance terminal of a choral partner, and can be performed. Note that the number of karaoke performance terminals participating in the chorus is not limited to two, and a system that can perform chorus using three or more karaoke performance terminals may be used.

  In addition, the function of network chorus is not limited to the above-described form, and the same karaoke music is played simultaneously on a plurality of karaoke performance terminals connected to the network, and the singing voice input at each karaoke performance terminal is also received. If the network chorus can be performed by transmitting to other karaoke performance terminals, the network chorus function may be constructed by a system having another configuration. Further, in the performance key matching system according to the embodiment of the present invention, a predetermined pitch change is performed on the singing voice received or transmitted from the karaoke performance terminal of the chorus partner in each karaoke performance terminal.

<Specific system configuration>
The performance key matching system 10 according to the embodiment of the present invention is realized by a performance key setting unit 80c, a performance key information transmission unit 71, and a pitch change unit 72, as shown in FIG. In the present embodiment, the performance key setting means 80c is realized as a functional means of the karaoke remote controller 80, and the performance key information transmission means 71 and the pitch change means 72 are realized as functional means of the karaoke performance terminal 30 (the karaoke main body 60).

  As shown in FIG. 1, in the performance key matching system 10 according to the embodiment of the present invention, a management server 20 and a plurality of karaoke performance terminals 30 include a router 50 and a communication network (in the present embodiment, the Internet 40). Are connected to each other. 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.

<Management server>
The management server 20 is a server for transmitting / receiving data to / from a plurality of karaoke performance terminals 30 via a communication network (Internet 40) and realizing a network chorus function. Means 22 and data storage means 23 for storing various data are provided. It should be noted that, instead of providing the dedicated management server 20 for realizing the network chorus function, another server may be provided with the function of the management server 20. Also, with the virtualization technology, one server can function as a server having a plurality of functions, and the management server 20 can be constructed as one of the virtualization servers.

<Server control means / data transmission / reception means>
The server control means 21 is a means for comprehensively controlling the management server 20 and is configured to include a CPU and its peripheral devices. The control function is achieved by the CPU and the like operating according to a program stored in a ROM or the like. It comes to show. The data transmission / reception means 22 is means for transmitting / receiving various data such as singing images to / from each karaoke performance terminal 30, and a communication circuit for maintaining the consistency of the communication system in the communication network (Internet 40). And programs.

<Data storage means>
The data storage means 23 is a device for storing user identification information (user ID) of a user who has logged in to each karaoke performance terminal 30 and singing history data of each user. Consists of. In this embodiment, various data necessary for network chorus is stored.

<Karaoke performance terminal>
A karaoke performance terminal 30 to which a performance key matching system 10 according to an embodiment of the present invention is applied includes a karaoke main body 60, a karaoke remote control device 80, a speaker 81, a microphone 82, a display device 83, a mixing amplifier, as shown in FIG. 84.

<Microphone / Speaker>
The microphone 82 is a device for inputting singing voice. The singing voice signal input from the microphone 82 is mixed and amplified by the mixing amplifier 84 with the performance voice signal sent from the music reproduction control means 68 and output to the speaker 81. Note that the audio input signal from the microphone 82 is digitally converted by the A / D converter 69 and used for transmission of a singing audio signal to the karaoke performance terminal 30 which is a network chorus partner.

<Display device>
The display device 83 is a device for displaying a background video, lyrics telop, and the like related to karaoke music, and is configured by, for example, a liquid crystal display.

<Karaoke body>
As shown in FIG. 1, the karaoke main body 60 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 reservation management means 67, a music playback control means 68, an A / D converter 69, Video reproduction control means 70, performance key information transmission means 71, and pitch change means 72 are provided.

<Central control means>
The central control means 62 is a means for comprehensively controlling the karaoke main body 60, and is composed of, 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 60, 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 RAM 64 may not be configured by a physical semiconductor memory, but the virtual RAM 64 may be configured by using an HDD or the like. In the present embodiment, a reservation queue 64a in the RAM 64, a performance key (self) 64b set for a karaoke piece to be played on its own karaoke performance terminal 30, and a karaoke piece to be played on the karaoke performance terminal 30 to be a partner of network chorus. The set performance key (others) 64c is stored. This reservation queue 64a is a data table in which music IDs are arranged in order of performance for karaoke music reserved for music selection, and other identification data such as a user ID of the music selector may be linked.

<HDD>
The HDD 65 functions as a large-capacity 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 in association with music IDs for music data configured by synchronizing performance data and lyrics rendering data for a plurality of karaoke songs. Lyrics rendering data includes display timing data and color change data of lyric characters synchronized with the performance. The video database 65b is a database that stores a predetermined number of background videos corresponding to karaoke songs to be played as video files corresponding to the song IDs of the karaoke songs.

<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 60 and the karaoke remote control device 80. In the present embodiment, data is transmitted and received between the karaoke main body 60 and the karaoke remote control device 80 by infrared communication. In addition, data may be directly transmitted and received between the karaoke remote control device 80 and the router 50. The network transmission / reception means 61 includes an electronic circuit and a program for transmitting / receiving data between the karaoke main body 60 and the management server 20.

<Reservation management means>
The reservation management means 67 generates a reservation queue 64a by arranging the music IDs searched and reserved using the function of the music search means 80a in the order of performance, and stores the reservation queue 64a in the RAM 64 for management. It consists of the program.

<Music playback control means>
The music reproduction control means 68 includes an electronic circuit for outputting performance data extracted from the music database 65 a based on the music ID to the mixing amplifier 84. If the performance data is MIDI standard performance control data, the sound source data is digitally reproduced and converted into an analog signal based on the performance control data and output to the mixing amplifier 84. As described above, the mixing amplifier 84 mixes the singer's singing voice signal input from the microphone 82 and the performance voice signal sent from the music reproduction control means 68, and amplifies it by the amplifier function to be amplified by the speaker 81. It is a device for outputting more. In the present embodiment, the singing voice of the choral party changed by the pitch changing means 72 is also input to the mixing amplifier 84.

<Video playback control means>
The video playback control means 70 synchronizes the background video data extracted from the video database 65b and the lyric characters based on the lyric rendering data included in the performance data with the performance data of the karaoke music during the performance of the karaoke music. It consists of a program for outputting to the display device 83.

<Performance key information transmission means>
The performance key information transmitting means 71 is composed of a program for transmitting the performance key set by the performance key setting means 80c to the karaoke performance terminal 30 to which the user of the chorus is logged in. That is, when performing a chorus through the network (Internet 40), if the performance key setting means 80c inputs its own performance key, the performance key information is stored in the karaoke performance in which the user of the chorus is logged in to the system. It is transmitted to the terminal 30. The performance key information transmitting means 71 is provided as means for the karaoke remote control device 80, and the performance key is directly transmitted from the karaoke remote control device 80 to the karaoke performance terminal 30 to which the user of the chorus is logged in via the router 50. It is good also as a structure which transmits information.

<Pitch change means>
The pitch changing means 72 is input at the one karaoke performance terminal 30 based on the difference between the performance key set at one karaoke performance terminal 30 and the performance key received from the other karaoke performance terminal 30, and the other It consists of a program for changing the pitch of the singing voice output at the karaoke performance terminal 30 so as to match the performance key set at the other karaoke performance terminal 30. In other words, based on the difference between the performance key set by the performance key setting means 80c and the performance key received from the karaoke performance terminal 30 to which the user of the chorus is logged in, the input is made at one karaoke performance terminal 30. Then, the pitch of the singing voice output at the other karaoke performance terminal 30 is changed to match the performance key set at the other karaoke performance terminal 30.

  For example, in the karaoke performance terminal (1), if the performance key setting means 80c is used to set a performance key of "+2" for the original song key, the karaoke performance terminal (1) is set to the original song key. The performance is performed with the performance key “+2”. This performance key information is transmitted to the karaoke performance terminal (2) in which the user of the choral partner has logged in. On the other hand, in the karaoke performance terminal (2), if the performance key "-1" is set for the original song key by the performance key setting means 80c, the karaoke performance terminal (2) is set for the original song key. Then, the performance is performed with the performance key “−1”. This performance key information is transmitted to the karaoke performance terminal (1) in which the user of the choral partner is logged in.

  Then, the karaoke performance terminal (1) changes the pitch of “+3” with respect to the singing voice transmitted from the karaoke performance terminal (2) by the function of the pitch changing means 72, and the karaoke performance terminal (1). Output as a singing voice of “+2” with respect to the set original music key. On the other hand, the karaoke performance terminal (2) changes the pitch of “−3” to the singing voice transmitted from the karaoke performance terminal (1) by the function of the pitch changing means 72, and the karaoke performance terminal (2). Is output as a singing voice of “−1” with respect to the original music key set in.

  In the above-described example, the karaoke performance terminal 30 that has received the singing voice changes the pitch so that the singing voice matches the performance key set on the karaoke performance terminal 30 itself. May be performed at the karaoke performance terminal 30 on the side of transmitting the singing voice.

<Karaoke remote control device>
The karaoke remote control device 80 has a user interface function, and transmits / receives data to / from the local transmission / reception means 66 of the karaoke main body 60 by a wired method or a wireless method. In addition, data may be directly transmitted / received between the karaoke remote control device 80 and the router 50. The karaoke remote control device 80 includes a music search means 80a, a music index database 80b, a performance key setting means 80c, a data storage section 80d, an input / output display section 80e, an electronic circuit and a program (not shown) for transmitting and receiving data. It has.

<Music search means / music index database>
The music search means 80a includes a program for searching for karaoke music based on the search conditions input by the user. That is, the music search means 80a searches for music by referring to the music index database 80b based on the input of the search conditions (song name, singer name, music genre classification, fashion period, etc.) by the user. The song index database 80b is a database describing attribute information of karaoke songs used for performance at the karaoke performance terminal 30. For example, the song ID, song name, singer name, lyrics of the singing part, popular season, music This includes various attribute information such as genre classification, performance form, and duet music. When a music search is performed by the music search means 80a, a list of search results is displayed on the input / output display unit 80e of the karaoke remote control device 80.

<Data storage unit>
The data storage unit 80d is an area for storing a music selection reservation history and the like. Although not shown, various data such as music selection reservation data and music selection reservation history data are stored therein.

<Input / output display section>
The input / output display unit 80e is composed of, for example, a touch panel type liquid crystal display device, and as described above, performs input display when searching by the music search means 80a, list display of search results, various guidance displays, and the like. By operating a displayed icon or the like, an input instruction can be performed.

<Performance key setting means>
The performance key setting means 80c includes a program for setting performance keys for karaoke music. This performance key setting means 80c is a means that functions also in normal music reservation. In this embodiment, the performance key setting means 80c functions when performing reservation selection of karaoke music for network chorus. The performance key is set as a numerical value of “+”, “± 0”, “−” with respect to the original music key, for example. In the present embodiment, the performance key setting means 80c is a constituent element of the karaoke remote control device 80, but the performance key setting means 80c may be a constituent element of the karaoke performance terminal 30 (the karaoke main body 60).

<Exchange of performance key information>
With reference to FIG. 2, the exchange of performance key information in the performance key matching system 10 of the present embodiment will be described. In the following description, it is assumed that network choral agreement is established between users in performance key matching. Moreover, it is assumed that the karaoke performance terminals 30 performing network chorus recognize each other's performance terminal information (for example, performance terminal ID) in advance. Here, in each karaoke performance terminal 30 which performs network chorus, when each other's performance terminal ID is not recognized beforehand, it performs with respect to the karaoke performance terminal 30 which a choral partner uses via the management server 20. What is necessary is just to add and transmit performance terminal ID of own karaoke performance terminal 30 with key information.

  When the karaoke remote control device (1) paired with the karaoke performance terminal (1) selects a karaoke piece for network chorus and sets a performance key, the set performance is shown in FIG. The key information is transmitted to the karaoke performance terminal (1) (S1). The karaoke performance terminal (1) stores the received performance key information as performance keys of the karaoke performance terminal (1) (S2).

  In the karaoke performance terminal (1), the set performance key information is transmitted to the karaoke performance terminal (2) by the function of the performance key information transmitting means 71 (S3). In the karaoke performance terminal (2), when performance key information is received from the karaoke performance terminal (1) (S4), the received performance key information is stored as performance keys of the karaoke performance terminal (1) (S5).

  In the karaoke remote control device (2) paired with the karaoke performance terminal (2), the karaoke music selection for performing network chorus is performed, and when the performance key is set, the set performance key information is transmitted to the karaoke performance terminal. It transmits to (2) (S6). The karaoke performance terminal (2) stores the received performance key information as performance keys of the karaoke performance terminal (2) (S7).

  In the karaoke performance terminal (2), the set performance key information is transmitted to the karaoke performance terminal (1) by the function of the performance key information transmitting means 71 (S8). In the karaoke performance terminal (1), when performance key information is received from the karaoke performance terminal (2) (S9), the received performance key information is stored as performance keys of the karaoke performance terminal (2) (S10).

<Change pitch of singing voice (1)>
The pitch of the singing voice can be changed at the karaoke terminal 30 that has received the singing voice. That is, as shown in FIG. 3, with respect to the singing voice inputted at the karaoke performance terminal (1), the performance key set by the pitch changing means 72 of the karaoke performance terminal (1) and other karaoke performance terminals (2) The pitch of the singing voice is changed based on the difference from the performance key received from (S11), and the singing voice whose pitch has been changed is transmitted to the karaoke performance terminal (2) (S12). When the karaoke performance terminal (2) receives the singing voice whose pitch has been changed (S13), the karaoke performance terminal (2) outputs the singing voice as a network chorus (S14).

  Although not shown, similarly, with respect to the singing voice inputted at the karaoke performance terminal (2), the performance keys set by the pitch changing means 72 of the karaoke performance terminal (2) and other karaoke performance terminals (1) are also provided. The pitch of the singing voice is changed based on the difference from the performance key received from the karaoke performance terminal (1). The karaoke performance terminal (1) receives the singing voice whose pitch has been changed, and outputs the singing voice as network chorus.

<Change pitch of singing voice (2)>
Moreover, you may perform the pitch change of song voice in the karaoke performance terminal 30 which transmits song voice. That is, as shown in FIG. 4, the singing voice input at the karaoke performance terminal (1) is transmitted to the karaoke performance terminal (2) as it is without changing the pitch (S21). When the karaoke performance terminal (2) receives the singing voice from the karaoke performance terminal (1) (S22), the performance key set by the pitch changing means 72 and the performance key received from the other karaoke performance terminal (1). Based on the difference, the pitch of the singing voice is changed (S23), and the singing voice whose pitch has been changed is output as a singing voice of network chorus (S24).

  Although not shown in the figure, the singing voice input at the karaoke performance terminal (2) is transmitted to the karaoke performance terminal (1) as it is without changing the pitch. When the karaoke performance terminal (1) receives the singing voice from the karaoke performance terminal (2), the difference between the performance key set by the pitch changing means 72 and the performance key received from the other karaoke performance terminal (2). Based on the above, the pitch of the singing voice is changed, and the singing voice whose pitch has been changed is output as a singing voice of network chorus.

  When data can be transmitted and received directly between the karaoke remote control device and the router, the karaoke performance terminal is directly connected to the karaoke remote control device (1) or the karaoke remote control device (2) in FIGS. You may comprise so that performance key information may be transmitted with respect to (2) or a karaoke performance terminal (1).

<Other embodiments>
The performance key matching system 10 of the present invention and the devices and means constituting the peripheral device thereof are not limited to those described above, and only the necessary devices and means may be configured according to the purpose of use, or other devices as appropriate. And means can be added. Further, each unit may be configured as a unit in which a plurality of functions are integrated, instead of being configured separately. Further, instead of connecting a plurality of karaoke performance terminals 30 via a network, a plurality of karaoke performance terminals 30 connected via a LAN and a management server 20 installed in the store are used in one store. Thus, the performance key matching system 10 may be configured.

DESCRIPTION OF SYMBOLS 10 Performance key matching system 20 Management server 21 Server control means 22 Data transmission / reception means 23 Data storage means 30 Karaoke performance terminal 40 Internet 50 Router 60 Karaoke main body 61 Network transmission / reception means 62 Central control means 63 ROM
64 RAM
64a Reservation queue 64b Play key (self)
64c Performance key (other)
65 HDD
65a Music database 65b Video database 66 Local transmission / reception means 67 Reservation management means 68 Music reproduction control means 69 A / D converter 70 Video reproduction control means 71 Performance key information transmission means 72 Pitch change means 80 Karaoke remote control device 80a Music search means 80b Music index 80b Music index Database 80c Performance key setting means 80d Data storage unit 80e Input / output display unit 81 Speaker 82 Microphone 83 Display device 84 Mixing amplifier

Claims (1)

In a plurality of karaoke performance terminals connected to the network, the same karaoke music piece is played at the same time, and the singing voice input at each karaoke performance terminal is transmitted to the other karaoke performance terminals and played back to perform network chorusing. And a system for outputting the singing voice pitches in each karaoke performance terminal when the performance keys set at the time of the music reservation are different in each karaoke performance terminal, the performance key setting means, A performance key information transmitting means, and a pitch changing means,
The performance key setting means, in each karaoke performance terminal, set the performance key of the karaoke song performing network chorus,
The performance key information transmitting means transmits the set performance key to the other karaoke performance terminals in each karaoke performance terminal,
The pitch changing means is input at the one karaoke performance terminal based on the difference between the performance key set at one karaoke performance terminal and the performance key received from the other karaoke performance terminal, and the other karaoke performance terminal. Change the pitch of the singing voice to be output to match the performance key set in the other karaoke performance terminal.
A singing voice pitch matching system in network chorus characterized by this.

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