JP4137752B2 - Online karaoke system - Google Patents

Description

  The present invention relates to a karaoke apparatus, and more specifically, to a technique for comparing nationwide scales with singing results of other people who sang the same song in a karaoke apparatus having a singing scoring function.

  As is well known, karaoke equipment has a singing scoring function. This function compares the singing voice inputted from the microphone during the performance of the karaoke music and the standard melody such as the main melody of the karaoke accompaniment music, and calculates the score by the difference in the pitch and the sounding timing. In addition, a karaoke device serving as a performance terminal of a well-known online karaoke system downloads karaoke data as the origin of karaoke accompaniment music and lyrics from a host device connected via a communication network, or records an operation log of the karaoke device itself. Uploading to the host device. Therefore, when the singing scoring function is used, the score calculated for the use opportunity is transmitted to the host device, and the host device collects the singing score from the karaoke devices in each region and collects the collected information into the scoring ranking etc. The karaoke apparatus distributes the information to the karaoke apparatus, and displays the distributed information as appropriate for presentation to the user.

For example, according to the communication karaoke system described in Patent Document 1, the karaoke device acquires a user ID for identifying a user, and transmits to the host device who sang what and how many points were taken. It is like that. Based on the transmission information, the host device creates a scoring ranking for each predetermined period such as monthly or yearly. Thereby, for example, this is distributed to the karaoke device, and the user can display the scoring ranking on the karaoke device and know which position the user is in the ranking. In addition, a karaoke company can provide a service for sending prizes or the like to a higher-ranking user in the scoring ranking at every predetermined period.
JP-A-10-55184

  The singing scoring function in the karaoke device is a function for presenting a scale indicating the skill of singing to the user, and the singer wants to know how much the current singing ability is actually. In the online karaoke system described in Patent Document 1, the scoring ranking is displayed every predetermined period. However, since users strive to improve singing ability every day, the ranking throughout the period is the current singing ability. It is hard to say that it reflects.

The online karaoke system according to the present invention is specified by the following items (1) to (7).
(1) A communication karaoke system in which a plurality of karaoke devices individually communicate with a host device via a communication network. (2) The karaoke device has a final score output by the scoring means when the music performance is finished. (3) The host device sequentially creates and stores scoring ranking information in which the scores received from the karaoke device are ranked according to the music number and stores them. Sequentially creating and storing the latest fluctuation history in which the scores received from the karaoke apparatus during the predetermined period are tabulated by music number (4) The karaoke apparatus starts the music number of the music piece A before starting to play the music piece A. (5) When the host device receives the information sending request including the music number B from the karaoke device, the host device responds to the music number B. The attached scoring ranking information C and change history D are extracted from the memory and transmitted to the karaoke device. (6) When the karaoke device starts playing the music A, the scoring ranking information C received from the host device and Predicting the scoring ranking information E at the end of the performance of the music A based on the change history D. (7) The karaoke apparatus contrasts the scoring F output by the scoring means with the scoring ranking information E while the music A is playing To rank and display the ranking in association with the scoring ranking information E.

  According to the karaoke apparatus of the present invention, the current singing ability of a singer can be accurately compared and evaluated on a nationwide scale.

=== Network configuration ===
FIG. 1 shows a network configuration including a karaoke apparatus in an embodiment of the present invention. A wide area intranet is constructed by connecting a VPN 110 (Virtual Private Network) 70 using the Internet to a LAN 110 and a host device 90 installed in karaoke stores 100 at various locations of karaoke businesses. The karaoke device 1 and the devices attached thereto are installed in each guest room 120 of the karaoke store 100 in each place, and the karaoke device 1 communicates with the host device 90 via the VPN 70.

  The karaoke device 1 is accompanied by a remote control device equipped with a music search function called an electronic table of contents 30. This electronic table of contents 30 transmits a performance reservation command to the karaoke apparatus 1 by an infrared signal. The electronic table of contents 30 is operated by a built-in secondary battery, and a charging stand 50 for charging the secondary battery is prepared. The gantry 50 includes a communication interface of a predetermined standard such as RS232C, and is connected to a communication interface of the same standard that the karaoke apparatus 1 is equipped with. When the electronic table of contents 30 is mounted on the charging stand 50, the electronic table of contents 30 and the karaoke apparatus 1 are configured to communicate via the charging stand 50.

=== Basic configuration and operation of karaoke apparatus ===
FIG. 2 is a functional block configuration of the karaoke apparatus 1 of the present embodiment. 3A and 3B show the appearance and functional block configuration of the electronic table of contents 30. FIG. The karaoke apparatus 1 has almost the same hardware configuration as a performance terminal of a known communication karaoke system, and the central control unit 11 controls each peripheral component unit to supervise the karaoke apparatus 1, and the hard disk device 12 has a large number of them. Karaoke data including accompaniment music data mainly composed of MIDI data and lyric rendering data that is the origin of the generation of lyric images is stored. In addition, for the long-format video data in a predetermined format, script data that defines the video data processing sequence (storage location and processing order of video data to be processed, etc.) Table of contents information such as the release year and the singing part of the lyrics is also stored. And the central control part 11 identifies the karaoke data, script data, and table of contents information of each music by a music number, and manages this as a karaoke database.

  The host device 90 distributes karaoke data, script data, table of contents information, etc., about new music to the karaoke device 1 in a timely manner, or collects operation logs collected at any time by the karaoke device. The central control unit 11 is connected to the store LAN 110 and the VPN 70 via the network interface 23 and communicates with the host device 90. And the karaoke data sent from the host apparatus 90 is received, the content of a karaoke database is updated, and various information, such as an operation log collected by the karaoke apparatus side, is transmitted to a host apparatus.

  On the other hand, the electronic table of contents 30 includes a user interface mainly composed of a touch panel 33 in which a liquid crystal display (LCD) 31 and a touch sensor 32 are stacked, and the built-in flash memory 35 is stored in the karaoke apparatus 1. Similar table of contents information and various image information displayed on the touch panel 33 are stored. The remote control unit 34 includes a CPU, a RAM, a ROM, a video RAM, and the like, develops various image information and character information into a video RAM based on input information to the touch panel 33, and displays an LCD based on the bitmap data. The driver 36 is driven to display appropriate information on the touch panel 33. The table of contents information stored in the flash memory 35 is managed as a music index database.

  The remote controller control unit 34 accepts a fragment of the table of contents information as a query through dialogue with the user via the touch panel 33, extracts the table of contents information of the corresponding karaoke song from the song index database, and presents it. Then, in the electronic table of contents 30, when the karaoke piece is finally specified as one piece and a user input for making a reservation for the piece of music is made, the remote controller control unit 34 sets the performance reservation command including the piece number. A code is generated and transferred to the LED driver 37. The LED driver 37 drives the LED 38 to transmit an infrared signal including this code.

  When the operation control unit 13 of the karaoke apparatus 1 receives the performance reservation command code via the light receiving unit 15, the operation control unit 13 transfers the code to the central control unit 11. The central control unit 11 stores the music number in the command in an internal RAM and manages it in a performance processing queue. The music numbers are sequentially extracted from the queue, the corresponding karaoke data is read from the hard disk device 12, and the accompaniment music data in the karaoke data is transferred to the synthesizer 19 to generate accompaniment music.

  On the other hand, with regard to the lyric rendering data, the lyric image in which the portion to be sung is changed in color in synchronization with the accompaniment music is sequentially developed in the video RAM 16 as a bitmap. Also, predetermined moving image data is sequentially transferred to the video controller 17 in a predetermined order based on the script data, and the background moving image of the lyrics image is decoded.

  The mixing amplifier 20 mixes and amplifies the accompaniment music and the singing voice input to the microphone 22 and outputs the sound from the speaker 21. The video control unit 17 superimposes the lyric image on the decoded moving image and outputs it on the display 18.

  The karaoke apparatus 1 has a singing scoring function. And the singing scoring part 23 is provided as hardware for implement | achieving the function. When the central control unit 11 receives a user input indicating that the singing scoring function is used, the central control unit 11 sequentially transfers the main melody pitch (pitch reference value) in the karaoke data of the performance music to the singing scoring unit 23. The singing scoring unit 23 samples the singing voice signal input from the microphone 22 and converts it into digital singing voice data, and extracts the singing voice pitch from the singing voice data. Then, the pitch reference value is compared with the singing voice pitch, and the score based on the comparison result is sequentially output for each appropriate section, for example, for each measure. In this embodiment, a score of 100 points is output sequentially. When the performance of all the singing parts is finished, such as after the performance is finished, the central control unit 11 totals the scores that have been sequentially output from the singing scoring unit 30 and displays the average score (final score) as a scoring result. 18 is displayed.

=== Overview of the singing contest function ===
The singing scoring function of the karaoke apparatus 1 has an operation mode for outputting intermediate progress information in addition to presenting the final score after the performance is completed. Specifically, the central control unit 11 counts the scores output sequentially by the singing scoring unit 23, obtains an average score (intermediate score) from the counting results up to that point during performance, and displays this in real time. To do. The karaoke apparatus 1 links the operation mode and the network communication function, presents the latest scoring rankings that are aggregated and prepared in the host apparatus 90, and displays intermediate scores that change sequentially during singing in the ranking display. It has a singing contest function to reflect. This allows singers to compare their singing skills with the latest national scoring rankings. In addition, there is also an effect that a sense of tension can be experienced by participating in the singing contest with a sense of game by moving up and down during ranking singing.

=== Host device ===
In the present embodiment, the host device 90 identifies and manages users registered as members by member ID, and each member ID has personal information (name, contact information, face photo, etc.), performance reservation history, Singing grading history, personal tune book (song number collection of singing songs such as eighteenth), etc. are stored and managed in association with each other. A storage area for information associated with the member ID is referred to as My BOX, and a service that uses information in the My BOX is referred to as My BOX service.

  In addition, the host device 90 records information obtained by rearranging the final score for each music number in the order of the score, as scoring ranking information. When the member sings using the singing scoring function, the karaoke apparatus 1 in each place transmits the member ID, the final score at that time, and the performance music to the host device 90 as singing score information. When the host device 90 receives the singing score information sent from the karaoke device 1, the host device 90 updates the scoring ranking information for the corresponding music and also updates the singing score history stored in the MY BOX of the corresponding member. .

=== Membership ===
In order to carry out a singing contest, the user needs to be registered as a member in the host device. In this embodiment, a non-contact type IC card is given to a non-member user, and a unique identification number stored in the IC card is registered in the host device 90 as a member ID. The electronic table of contents 30 has a data reading function for the IC card. When the user holds the IC card over the antenna unit 45 of the electronic table of contents 30, the electronic table of contents 30 acquires the ID of the card, and the personal information is stored via the touch panel 33. The input is accepted, and personal information is associated with the acquired member ID and stored. After the user inputs personal information to the electronic table of contents 30, when the electronic table of contents 30 is attached to the charging stand 50, the member ID and personal information are transferred to the karaoke apparatus 1 via the charging stand 50. The karaoke device 1 transmits the transferred information to the host device 90 via the VPN 70. The host device 90 creates an MY BOX for the sent member ID, and stores personal information in the MY BOX. In this embodiment, at least the user name (name, nickname, etc.) and image data for identifying the user such as a user's face photo (hereinafter referred to as a personal identification mark) are registered as personal information. I am going to do that.

=== User Registration Procedure ===
In this embodiment, a person who is currently using the karaoke device 1 is temporarily registered in the karaoke device 1 as a user regardless of whether it is a member or a non-member, and the karaoke device 1 has an identification code (personal identification code) of each user and an individual. The identification mark is associated and managed as a member table. The member table is created on the electronic table of contents 30 side and is transferred to the karaoke apparatus 1. The personal identification mark is an image in which a face portion of a character image imitating an animal or the like prepared in advance in the electronic table of contents 30 is used as a frame frame, and a user's own face photograph is inserted in the frame frame. It is said. The electronic table of contents 30 is equipped with a digital camera 44 for taking an image as a mark, and a shutter button is disposed at an appropriate position of the housing.

  The user registration procedure in the electronic table of contents 30 is shown in FIGS. When the electronic table of contents 30 is activated, a top screen for calling various functions provided in the table of contents 30 is displayed (FIG. 4: 120). Here, an “add member” button 121 on the top screen 120 is instructed. The remote control unit 34 generates a unique personal identification code in response to this instruction operation. In this embodiment, a personal identification code is generated with a serial number for each instruction opportunity of the “add member” button 121. Then, a user registration start screen (FIG. 5: 130) is displayed. The screen 130 includes a user registration procedure description 131 and a list 132 of several types of frame images prepared in advance in the memory.

  When the user selects a desired frame from the frame list 132 in the user registration start screen 130, a shooting screen (FIG. 6: 140) including a captured image of the digital camera 44 is displayed. On this screen 140, the photographed image is displayed on the sub-screen 141, and on this screen 141, an outline (guide frame) 142 having the same shape as the frame of the previously selected frame image is displayed. In this state, the user directs the digital camera 44 toward the subject, moves the electronic table of contents book 30 back and forth, left and right so that the portion to be fitted in the frame is accommodated in the guide frame 142, determines the composition, and presses the shutter button. . In response to this shooting operation, the remote controller 34 cuts out the image in the guide frame 142 from the shot image of the digital camera 44 and performs image processing for fitting the cut image into the frame of the previously selected frame image. The inset image is stored in the flash memory 35 as an individual identification mark.

  When the personal identification mark is created, the electronic table of contents 30 next displays a character palette together with name input guidance (FIG. 7: 150). When the user uses this character palette to input a user name such as his / her name and nickname, a user registration screen (FIG. 8: 160) is displayed. This screen includes a frame image 161 in which a photographed image is fitted in a frame and a button 162 for registering this image as a personal identification mark. When the “registration” button 162 is instructed on this screen, the remote controller 34 associates the previously generated personal identification code, the created personal identification mark, and the input user name, Enter this in the member table.

=== Member Registration ===
A user who wants to register as a member along with user registration performs an operation of reading the IC card ID into the electronic table of contents prior to the user registration procedure. The operation procedure is shown in FIG. 9 and FIG. First, the “MY BOX” button 122 on the top screen 120 is instructed to display the MY BOX menu screen including a list of MY BOX services (FIG. 9: 170). When the user designates the “member registration” button 171 in this list, a guidance screen including a description prompting registration of the card ID is displayed (FIG. 10: 180). When the user brings the IC card into contact with the antenna unit 45 according to this guidance, the card interface 46 demodulates the modulated radio wave received via the antenna unit 45, and the card ID code multiplexed in the demodulated signal is received. The extracted code is transferred to the remote controller 34. When receiving the code of the card ID, the remote control unit 34 issues a personal identification code, associates the card ID with the personal identification code, and temporarily stores them in an internal RAM or the like. Then, the previous user registration start screen 130 is displayed, and thereafter, registration of a personal identification mark and a user name is accepted according to the above-described user registration procedure. FIG. 11 shows a schematic structure of the member table. The image file name of the personal identification mark and the user name are associated with the 2-digit personal identification code, and the card ID is also associated with the registered user.

  When the user registers all the information in the member table, the user mounts the electronic table of contents 30 on the charging stand 50. When the electronic table of contents 30 is mounted on the charging table 50, the charging table 50 supplies power to the electronic table of contents 30 via the power input terminal 42 to charge the secondary battery 43, and for the communication interface (IF). The terminal 40 is connected to mediate communication between the communication IF 39 of the electronic table of contents 30 and the communication interface 24 of the karaoke apparatus 1. As a result, the member table is transferred from the electronic table of contents 30 to the karaoke apparatus 1. The central control unit 11 of the karaoke device 1 stores the received member table in a predetermined storage unit such as the hard disk device 12. When the card ID is associated with the member table, the card ID, the user name, and the personal identification mark are transmitted to the host device. The host device 90 opens a new MY BOX using the card ID as a member ID.

  For a user who has completed membership registration in advance, it is only necessary to indicate the member authentication button 172 in the MY BOX service menu screen 170 and hold the IC card. The electronic table of contents 30 associates the newly issued user ID with the ID of the IC card. Then, only this association is transferred to the karaoke apparatus 1. The karaoke device 1 asks the host device 90 for the card ID and sends the user name and personal identification mark of the corresponding member. The karaoke apparatus 1 transfers the sent user name and personal identification mark to the electronic table of contents 30 and writes them in its member table. The user name and personal identification mark transferred on the electronic table of contents 30 side are stored in association with the corresponding user ID.

=== Application for singing contest ===
The outline of the application procedure for participation in singing content is shown in FIGS. When the user wants to perform a singing contest when singing, the user instructs the MY BOX button on the top page 110 of the electronic contents book 30 to display the MY BOX service menu screen. When the singing contest button is instructed from this menu, the central control unit temporarily stores information indicating that the instruction has been accepted, and causes the screen to transition to the top page. When the user selects an appropriate music selection method from the top page and finally specifies one music, a screen (FIG. 12: 190) on which detailed information on the music is described is displayed. When the “reservation” button 191 on this screen is instructed, a small screen (FIG. 13: 192) for prompting member identification is popped up on this screen 190. In the present embodiment, the user's personal identification mark registered in the member table is displayed in a selectable list. At this time, only a personal identification mark associated with a member ID may be selected and displayed so that a mark other than a member is not selected. When the user selects his / her mark, the electronic table of contents 30 reserves a performance reservation including the personal identification code corresponding to the selected mark, the music number of the specific musical piece, and information on the instruction to perform the singing content. The command is transmitted, a confirmation screen (FIG. 14: 200) is displayed, and the screen transitions to the previous top screen 120.

  When the central control unit 11 of the karaoke apparatus 1 receives the performance reservation command transferred from the electronic table of contents 30 via the operation control unit 13, when registering the music number in the command in the queue, the music number Is associated with the personal identification code and the information on the presence or absence of the contest execution instruction. FIG. 15 shows a queue registration state.

=== Implementation of a singing contest ===
The central control unit 11 sequentially monitors the contents of the queue, and for songs for which there is a contest execution instruction, singing content information including the song number is sent at an appropriate time, such as when the performance order of the song is first. Send the request to the host device. When the host device 90 accepts this request, it returns the scoring ranking information for the corresponding music to the karaoke device 1. The karaoke device 1 displays the scoring ranking information received from the host device during the performance of the music piece on the display. FIG. 16 shows a scoring ranking information display screen 210. In this figure, the top 10 scoring ranks are displayed. Of course, it may be displayed up to the final order by scrolling.

  When the central control unit 11 starts playing the song contest participation song, it activates the singing scoring unit 23, compares the halfway score sequentially output by the singing scoring unit 23 with each score of the scoring ranking, and the halfway score is currently Monitor the ranking as needed. Then, a bitmap image in which the score is reflected on the scoring ranking screen is sequentially generated, and the generation screen is displayed on the display. When the performance is finished, the final score is reflected in the scoring ranking, the score, the number of the played music, and the member ID are transmitted to the host device, and the host device updates the singing scoring ranking information for the corresponding music. The music number and the score are stored in association with the member's MY BOX as a scoring history. FIGS. 17A and 17B show a scoring ranking screen 220 displayed during the implementation of the singing contest and a singing contest result screen 230 displayed after the performance is completed. The current ranking position 221 is displayed according to the score during the performance. When the performance is finished, the final score 231 is displayed and displayed at the corresponding position 232 of the scoring ranking in an identifiable manner. In this example, the ranking including the ranking of the intermediate score or the final score is displayed in units of five rankings.

=== About scoring ranking display ===
In the above embodiment, the intermediate score is displayed in association with the scoring ranking. Not limited to this example, the final score may be displayed in association with the scoring ranking after singing. As for the association display with the scoring ranking, the rank and the score need only be displayed, and the corresponding position in the scoring ranking need not be shown.

  Moreover, when the singing contest about the music which is a karaoke apparatus is implemented, the singing contest about the same music may be implemented also in another karaoke apparatus. In such a case, since the scoring ranking information is sequentially updated on the host device side, the actual scoring ranking is constantly changing. Therefore, the karaoke apparatus obtains the latest scoring ranking information after the performance is completed, and displays the scoring ranking based on the scoring ranking information and the final score. Alternatively, if the host device frequently transmits the scoring ranking information to the karaoke device during the contest, the karaoke device can display the scoring ranking while updating it almost in real time.

  Of course, if the host device and the karaoke device frequently communicate with each other, it is expected that the processing load will increase because both sides, particularly the host device side, accept access from many karaoke devices. Also, when obtaining the latest scoring ranking information after the performance ends, if the scoring ranking information collected before and after the performance is greatly different, the scoring ranking immediately before the end of the performance changes greatly after the performance ends, and the ranking fluctuation during the performance There is a possibility that the user will be awakened. Therefore, it is conceivable to predict the fluctuation of the scoring ranking during the contest.

  As a variation prediction method, the final score transmitted from the host device every time the contest is ended at each karaoke device is recorded, and the variation history of the scoring ranking information in the most recent predetermined period is taken. Then, when a request for sending content information is sent from a certain karaoke device, the fluctuation history is returned together with the latest scoring ranking information. The karaoke device predicts the scoring ranking after the end of the contest to be carried out based on the information returned from the host device.

  An example of the prediction method is given. When the host device accepts a request for sending scoring ranking information from a certain karaoke device, for example, the frequency of the final score sent from each karaoke device in the past 5 minutes from the time of acceptance is sent to this karaoke device as a change history. To do. In this karaoke apparatus, if the music performance end time when performing the content is 3 minutes later, the frequency of each score is accumulated for the latest 3 minutes in the received change history. That is, how much each score increases after 3 minutes is calculated. If the performance time is 3 minutes and 30 seconds, an intermediate value between the cumulative frequency for the past 3 minutes and the cumulative frequency for 4 minutes may be employed. And if the cumulative frequency of each score is added to each score of the latest scoring ranking information, the scoring ranking after the end of the contest can be predicted. The karaoke device displays the predicted scoring ranking and reflects the score during the contest on the ranking. Then, the latest scoring ranking information is obtained again at the end of the contest, and the final score is reflected in the scoring ranking based on the scoring ranking information. The predicted value is based on the latest fluctuation history, and the difference from the actual ranking ranking based on the latest information is not so large. Note that the scoring ranking can be predicted with higher accuracy if the fluctuation history is tabulated by day of the week or time period and an appropriate fluctuation history is used according to the contest implementation date or time period.

=== Embodiment of Singing Contest ===
Users other than members may participate in the singing contest. For example, a ranking contest is conducted using a member's information, and a scoring contest is performed regardless of whether the member is a member or a non-member. Or create it. The member scoring results may be stored in the corresponding MY BOX.

It is a network block diagram including the karaoke apparatus in the Example of this invention. It is a functional block diagram of the said karaoke apparatus. They are an external view (A) and a functional block diagram (B) of an electronic table of contents attached to the karaoke apparatus. It is the schematic of the top screen displayed on the said electronic table of contents book. It is the schematic of the user registration start screen displayed on the said electronic table of contents book. It is the schematic of the imaging | photography screen displayed on the said electronic table of contents book. It is the schematic of the character palette displayed on the said electronic table of contents book. It is the schematic of the user registration screen displayed on the said electronic table of contents book. It is the schematic of the MY BOX service menu screen displayed on the said electronic table of contents book. It is the schematic of the member registration guidance screen displayed on the said electronic table of contents book. It is the schematic of the member table | surface created with the said electronic table of contents book. It is the schematic of the detailed information screen displayed on the said electronic table of contents book. It is a screen schematic at the time of accepting a performance reservation on the detailed information screen. It is the schematic of the reservation confirmation screen displayed on the said electronic table of contents book. It is the schematic of the queue managed in the said karaoke apparatus. It is the schematic of the scoring ranking displayed on the said karaoke apparatus. It is the schematic of the scoring ranking screen (A) during implementation of the singing contest displayed on the said karaoke apparatus, and the scoring ranking screen (B) after implementation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Karaoke apparatus 11 Central control part 12 Hard disk apparatus 18 Display 30 Electronic table of contents 33 Touch panel 44 Digital camera 220 Scoring ranking screen during singing content implementation

Claims (1)

A communication karaoke system in which a plurality of karaoke devices individually communicate with a host device via a communication network,
When the karaoke device finishes the performance of the music, the final score output by the scoring means and the music number of the music are associated with each other and transmitted to the host device.
The host device sequentially creates and stores scoring ranking information in which the scores received from the karaoke device are ranked by music number, and the latest fluctuation history in which the scores received from the karaoke device in the most recent predetermined period are tabulated by music number Are created and stored sequentially,
The karaoke device sends an information transmission request including the music number B of the music A to the host device before starting the performance of the music A.
When the host device receives the information sending request including the music number B from the karaoke device, the host device extracts the scoring ranking information C and the change history D associated with the music number B from the memory, and transmits them to the karaoke device.
When the karaoke device starts playing the music A, the karaoke device predicts the scoring ranking information E at the end of the performance of the music A based on the scoring ranking information C and the change history D received from the host device.
A karaoke apparatus is a communication karaoke system that ranks the score F output by the scoring means against the scoring ranking information E and displays the ranking in association with the scoring ranking information E during the performance of the music piece A.

Images