JP6565554B2 - Karaoke system, server, karaoke equipment - Google Patents

Description

  The present invention relates to a technique for posting or reproducing recorded information in which a user's singing sound or musical instrument performance sound is recorded.

  Conventionally, as a service form of a karaoke system, there is a service for posting posted data including recorded information on a user's singing sound or musical instrument performance sound to a server and reproducing the posted data posted on the server on a karaoke device ( For example, see Patent Document 1).

  In this type of service, non-real-time collaboration (co-production or co-starring) among multiple users by the user singing or playing musical instruments in accordance with the singing sound or musical instrument performance sound of the posted data reproduced on the karaoke device Can be realized. Furthermore, posting data including recording information of newly recorded singing sounds and musical instrument performance sounds in the collaboration is posted to the server as posting data produced by the collaboration.

JP 2014-48471 A

  By the way, the setting regarding the volume of the posting data created in the karaoke device differs depending on the installation environment of the karaoke device in which recording is performed. Therefore, the posting data created in each of a plurality of karaoke apparatuses having different installation environments have variations in volume. Therefore, in order to equalize the variation in volume between different posting data, the server corrects the volume value of the posted data uploaded from each karaoke device and normalizes the volume, and then distributes it to each user. ing. When each user's karaoke device that uses the posted data performs a performance based on the posted data downloaded from the server, the karaoke device outputs the reproduced sound of the posted data based on the volume-normalized volume value in the server. Control the volume. In this way, when a user uses post data created by combining multiple post data through collaboration, the user always plays back the sound with no volume variation between the post data. Listen to the sound.

  On the other hand, for users who use post data to listen to performances or collaborate, there may be cases where it is desired to play back with the correct volume, or playback with the same volume as the post data was recorded. You may want to However, conventionally, it has not been possible to both play back posted data while the volume is normalized on the server and play back posted data while reproducing the volume setting at the time of recording. It was.

  The present invention aims to solve the above problems. An object of the present invention is to provide a technique that enables selection of reproduction of post data in which singing or performance is recorded at a volume corrected by a server and reproduction at a volume that reproduces a setting at the time of recording. That is.

A karaoke system according to one aspect of the present invention includes a first karaoke device, a server, and a second karaoke device.
Among these, the first karaoke apparatus includes a first storage unit, a first control unit, a recording unit, and an upload unit. The first storage means stores music data representing the performance sound of the music. The first control means outputs a performance sound based on the music data stored in the first storage means, and also outputs the input sound input by the sound input means during the performance. The recording means generates recording information, which is information obtained by recording the input sound input by the sound input means at the time of performance based on the music data with a preset recording volume value. The upload means includes music identification information representing the piece of the played music, recording information generated by the recording means when the music is played, and volume information representing a recording volume value when the recording information is generated. Upload post data to the server.

  The server includes first acquisition means, volume correction means, storage means, and distribution means. The first acquisition unit acquires uploaded post data. The volume correction unit generates corrected recording information that is information obtained by adjusting the volume value of the recording information included in the post data acquired by the first acquisition unit according to the standard volume value. The storing means adjusts the volume value when the corrected recording information generated by the volume correction means, the music identification information corresponding to the corrected recording information, the volume information included in the posted data, and the corrected recording information. Public data including correction information representing the quantity is stored in a database. The distribution means distributes the stored public data to the second karaoke apparatus.

  The second karaoke apparatus includes second acquisition means, determination means, sound volume reproduction means, second storage means, and second control means. A 2nd acquisition means acquires the public data used for a performance from a server. The determination means determines whether to reproduce the public data acquired by the second acquisition means by reproducing the volume value at the time of recording represented by the volume information, or to reproduce the volume value of the corrected recording information. . The volume reproduction means corrects the recording information by correcting the volume value of the corrected recording information based on the volume information and the correction information when it is determined to reproduce and reproduce the volume value at the time of recording represented by the volume information. Reproduce the recording volume value at the time of recording. The second storage means stores music data representing the performance sound of the music. When it is determined to reproduce and reproduce the volume value at the time of recording represented by the volume information, the second control means outputs a performance sound based on the song data corresponding to the song identification information of the public data, A reproduction sound based on the corrected recording information corrected by the reproduction means is also output. On the other hand, when it is determined to reproduce the sound volume value of the corrected recording information, the second control means outputs a performance sound based on the music data and also outputs a reproduction sound based on the corrected recording information of the public data. .

  According to the karaoke system of the present invention, for post data uploaded from the first karaoke device, the server corrects the volume value of the recording information to the standard volume value, thereby normalizing a plurality of different post data. It is like that. At this time, the server can save as public data including volume information representing the original volume value at the time of recording and correction information representing the adjustment amount by correcting the volume value. By doing in this way, when the second karaoke apparatus performs using the public data, from the corrected recording information in which the volume value is corrected based on the volume information and the correction information included in the public data, The original volume value can be reproduced. Therefore, in the second karaoke apparatus, it becomes possible for the user to arbitrarily select reproduction with the volume value at the time of recording being reproduced, or reproduction with the volume normalized by the server. Can meet the demands of users.

The karaoke system which concerns on the 2nd form of this invention has a function which uploads the 2nd contribution data regarding the collaboration performance performed with the 2nd karaoke apparatus using public data to a server. The second posted data includes the music identification information of the music, the second recording information generated at the time of the collaboration performance, the second volume information indicating the recording volume value of the second recording information, and the public data used for the collaboration performance. And public data identification information. The server generates the second corrected recording information by adjusting the volume value of the second recording information included in the second posting data. Then, the server corrects the second corrected recording information, the music identification information, the second volume information, the second correction information indicating the adjustment amount of the volume value of the second corrected recording information, and the public data used for the collaboration. The second public data including the corrected recording information, the volume information, and the correction information is distributed. In this way, the user can reproduce the singing sound and musical instrument performance sound recorded in the collaboration performance in a state in which the volume value at the time of recording is reproduced or in a state in which the volume is normalized by the server. It becomes possible to select arbitrarily.

  In the karaoke system according to the third aspect of the present invention, when it is determined to reproduce the second public data by reproducing the volume value at the time of recording in the second karaoke apparatus, the corrected recording information of the second public data and the second 2 Corrected recording information is corrected to the recording volume value at the time of recording and played back. On the other hand, when it is determined to reproduce the corrected recording information of the second public data and the volume value of the second corrected recording information, the reproduction is performed without correcting the volume of the corrected recording information of the second public data and the second corrected recording information. To do. In this way, the second public data created by the collaboration performance is also reproduced with the volume value at the time of recording reproduced or normalized in the second karaoke apparatus. This can be arbitrarily selected by the user.

  A server according to a fourth aspect of the present invention includes an acquisition unit, a volume correction unit, a storage unit, and a distribution unit. The acquisition means includes music identification information representing the music piece, recording information in which the input sound input during the performance of the music is recorded, and volume information representing a recording volume value when the recording information is generated. Get post data that contains it. The volume correction unit generates corrected recording information that is information obtained by adjusting the volume value of the recording information included in the post data acquired by the first acquisition unit according to the standard volume value. The storing means adjusts the volume value when the corrected recording information generated by the volume correction means, the music identification information corresponding to the corrected recording information, the volume information included in the posted data, and the corrected recording information. Public data including correction information representing the quantity is stored in a database. The distribution means distributes the stored public data to the karaoke apparatus.

  According to the server of the present invention, the volume value of a plurality of different pieces of post data is normalized by correcting the volume value of the recording information included in the uploaded post data to a standard volume value. At this time, the server can save as public data including volume information representing the original volume value at the time of recording and correction information representing the adjustment amount by correcting the volume value. In this way, in a karaoke apparatus that performs using public data, the user can arbitrarily select to reproduce in a state in which the volume value at the time of recording is reproduced or in a state in which the volume is normalized. Can satisfy the demands of more users.

  The karaoke apparatus according to the fifth aspect of the present invention includes storage means, control means, recording means, upload means, acquisition means, determination means, and sound volume reproduction means. The control means outputs a performance sound based on the music data stored in the storage means, and also outputs an input sound input by the sound input means during the performance. The recording means generates recording information, which is information obtained by recording the input sound input by the sound input means at the time of performance based on the music data with a preset recording volume value. The upload means includes music identification information representing the piece of the played music, recording information generated by the recording means when the music is played, and volume information representing a recording volume value when the recording information is generated. Upload post data to the server.

The acquisition means acquires public data used for performance from the server. This public data includes music identification information representing a song, corrected recording information adjusted to a standard volume value, volume information indicating a recording volume value when the recording information is generated, and corrected recording information. And correction information representing the adjustment amount of the volume value when it is generated. The determination means determines whether to reproduce the acquired public data by reproducing the sound volume value at the time of recording represented by the sound volume information, or to reproduce the sound volume value of the corrected recording information. When it is determined to reproduce and reproduce the volume value at the time of recording, the volume reproduction means reproduces the recording volume value at the time of recording from the corrected recording information based on the volume information and the correction information. Then, when it is determined that the sound volume value at the time of recording is reproduced and reproduced, the control means outputs a performance sound based on the music data and also reproduces a reproduction sound based on the corrected recording information corrected by the sound volume reproduction means. Output. On the other hand, when it is determined to play back the sound volume value of the corrected recording information, the control means outputs a performance sound based on the music data and also outputs a playback sound based on the corrected recording information of the public data.

  According to the karaoke apparatus of the present invention, post data including recording information recorded at the time of performance of music and volume information related to the recording information can be uploaded to the server. Then, public data including corrected recording information whose volume has been normalized by the server, volume information at the time of recording, and correction information representing an adjustment amount of the volume value by volume normalization can be acquired from the server. As a result, it becomes possible for the user to arbitrarily select to play the public data in a state in which the volume value at the time of recording is reproduced or in a state in which the volume is normalized. Can be satisfied.

The block diagram showing the structure of a karaoke system. The sequence diagram showing the procedure of the process which each part of a karaoke system performs. (A) Explanatory drawing showing the structure of contribution data (no collaboration), (b) Explanatory drawing showing the structure of public data (no collaboration). (A) Explanatory drawing showing the structure of contribution data (with collaboration), (b) Explanatory drawing showing the structure of public data (with collaboration). The flowchart showing the procedure of the process which a host server performs. The flowchart showing the procedure of the process which a karaoke apparatus performs.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited to the following embodiment, It is possible to implement in various aspects.
[Description of configuration of karaoke system 1]
As shown in FIG. 1, the karaoke system 1 includes a karaoke device 10 installed in a karaoke store, a remote control terminal 30 for remotely operating the karaoke device 10, and a host server 40. The karaoke apparatus 10 and the host server 40 are communicably connected via the Internet. Moreover, the karaoke apparatus 10 and the remote control terminal 30 are communicably connected via a LAN (Local Area Network) installed in the karaoke store. In FIG. 1, for ease of understanding, one karaoke device 10 and one remote control terminal 30 are shown in two karaoke stores, but more LANs in the karaoke store are connected to the Internet. May be. Moreover, the some karaoke apparatus 10 and the remote control terminal 30 may be installed in one karaoke store. The Internet and the LAN are connected by a router (not shown). The LAN may be a wired system or a wireless system.

  The karaoke apparatus 10 includes a control unit 11, a storage unit 12, a music playback unit 13, a voice input / output unit 14, a video control unit 15, an operation unit 17, a communication unit 18, and the like. This karaoke apparatus has functions such as playback of karaoke music, download and playback of public data, generation and upload of post data, and the like.

The control unit 11 is an information processing apparatus configured mainly with a CPU, a ROM, a RAM, and the like, and controls the entire karaoke apparatus 10. The control unit 11 implements various functions by executing arithmetic processing according to programs and data read from the storage unit 12. As a main function of the karaoke apparatus 10, the control unit 11 receives a request for reproducing karaoke music via the remote control terminal 30 or the operation unit 17, and internal music data corresponding to the requested karaoke music (music data in the present invention). To the music playback unit 13.

  The storage unit 12 is a storage device such as a hard disk drive, and includes a karaoke database in which a large number of internal music data for playing karaoke music are recorded, a system program and application program for controlling the operation of the karaoke device 10, and various information contents. The data etc. used for the reproduction are stored. The internal music data stored in the karaoke database of the storage unit 12 includes music identification information (for example, music number) for identifying the karaoke music and music composition data constituting the performance sound of the karaoke music. As the music composition data, for example, MIDI performance data (MIDI data) or a sound file of a predetermined sound compression format is used.

  The music reproducing unit 13 reproduces sound based on internal music data stored in the storage unit 12 and public data downloaded from the host server 40, and generates a sound source signal. The voice input / output unit 14 is a device that controls voice input / output. A microphone 19 and a musical instrument 20 are connected to the input side of the voice input / output unit 14. Thereby, the voice input / output unit 14 acquires the user's singing sound via the microphone 19 and converts the acquired singing sound into a sound source signal. In addition, the voice input / output unit 14 acquires instrument sounds performed by the user using the instrument 20, and converts the acquired instrument sounds into sound source signals. Therefore, the voice input / output unit 14 includes a terminal for connecting the microphone 19 and the musical instrument 20. Note that the musical instrument 20 includes electronic musical instruments realized by a personal computer, a portable information processing terminal, a game machine, and the like, in addition to string instruments, percussion instruments, wind instruments, and keyboard instruments.

  A speaker 21 is connected to the output side of the audio input / output unit 14. Thus, the sound input / output unit 14 outputs the sound source signal of the sound reproduced by the music reproducing unit 13, the singing sound input from the microphone 19 and the musical instrument 20, and the sound source signal of the instrument sound to the speaker 21. The speaker 21 outputs the sound source signal output from the audio input / output unit 14 in place of sound.

  The video control unit 15 reproduces and outputs video based on the video data sent from the control unit 11. The video reproduced by the video control unit 15 includes a background and a lyrics image displayed together with the performance of the karaoke music. A monitor 23 for displaying video is connected to the video control unit 15. Thereby, the video control unit 15 displays the reproduced video on the monitor 23.

  The operation unit 17 is an input device for performing various operations on the karaoke apparatus 10. The communication unit 18 is a communication interface for performing communication by connecting the karaoke apparatus 10 to a LAN. The karaoke apparatus 10 communicates with the remote control terminal 30 and the host server 40 via the LAN and the Internet by the communication unit 18. Since other functions and configurations of the karaoke apparatus 10 are in accordance with known techniques, detailed description thereof is omitted here.

  The remote control terminal 30 includes a control unit 31 that controls the entire apparatus, an operation unit 32 including a touch panel and a key switch, a storage unit 33 that stores various information, a display unit 34 that displays various information, a LAN, and the Internet. The communication part 35 etc. which control communication are provided. The remote control terminal 30 has a communication function, an information display function, and an input function for a user to perform an input operation. The remote control terminal 30 reproduces the identification information of the karaoke music or public data requesting the performance, the information about the user, or the public data with the sound volume normalized volume value or by reproducing the sound volume value at the time of recording. The information etc. which instruct | indicates is input from a user. The remote control terminal 30 transmits information input from the user to the karaoke apparatus 10 via the LAN. Since other functions and configurations of the remote control terminal 30 are in accordance with known techniques, detailed description thereof is omitted here.

The host server 40 includes a server device and constitutes a computer system. The host server 40 includes a control unit 41 that controls the entire host server 40, a storage unit 42 that stores various information, a communication unit 43 that controls communication via the Internet, and the like. The host server 40 includes a database that stores public data generated based on user post data uploaded from a plurality of karaoke apparatuses 10 in the storage unit 42.

  The post data uploaded to the host server 40 is created by the karaoke device 10 when the karaoke device 10 performs karaoke music. The posted data includes recorded data (corresponding to the recording information of the present invention) in which sound input from the microphone 19 or the instrument 20 is recorded during the performance of the karaoke music, recording volume information (corresponding to the volume information of the present invention), and the like. Is included. The detailed contents of the information included in the posted data will be described later. The created post data is uploaded from the karaoke apparatus 10 to the host server 40.

  The setting relating to the recording volume of the recording data generated in the karaoke apparatus 10 varies depending on the installation environment of the karaoke apparatus 10 in which recording is performed. Therefore, the host server 40 performs sound volume normalization, which is a correction for equalizing the variation in sound recording volume between different pieces of post data, with respect to the sound recording data included in the uploaded post data. This volume normalization is a process of adjusting the volume of the recording data included in the uploaded post data and unifying it to a standard volume value predetermined by the operator of the karaoke system 1.

  Then, the host server 40 records the volume-normalized recording data (hereinafter referred to as “corrected recording data”), the recording volume information regarding the volume at the time of recording, and the corrected volume information indicating the amount of volume adjustment by volume normalization ( Public data including the correction information of the present invention is generated and stored in the database of the storage unit 42. As a result, the host server 40 can accumulate a large number of public data generated based on the posted data uploaded from the karaoke apparatus 10 in the storage unit 42. This public data is associated with the music identification information and the posting user name, and it is possible to search the posting data with the remote control terminal 30 or the like using these pieces of information as clues.

  The karaoke apparatus 10 downloads public data requested by the user from the host server 40. The karaoke apparatus 10 reproduces the internal music data of the karaoke music corresponding to the downloaded public data, and simultaneously reproduces the corrected recording data included in the public data. In addition, the singing sound and musical instrument sound input from the microphone 19 and the musical instrument 20 are output. By doing so, non-real-time collaboration (co-production and co-starring) is realized among a plurality of users who are not present. In the present embodiment, the karaoke apparatus 10 reproduces the internal music data and the corrected recording data of the public data together, and the user of the karaoke apparatus 10 sings and plays the musical instrument together with the reproduced karaoke music and the voice of the public data. The act of performing is called collaboration performance.

  If the karaoke device 10 is specified to reproduce the recording volume at the time of recording in the request from the user, the volume of the corrected recording data is returned to the volume value at the time of recording (that is, the volume value before normalization of the volume). Perform playback. On the other hand, when the user designates that the recording volume at the time of recording is not reproduced, the karaoke apparatus 10 performs reproduction with the volume value of the corrected recording data (that is, the volume value after volume normalization).

Moreover, the karaoke apparatus 10 newly acquires recording data based on the song and performance performed in the collaboration performance using the downloaded public data. The acquired new recording data can be uploaded to the host server 40 as post data produced by the collaboration performance. Then, public data including a plurality of recording data related to post data produced by the collaboration performance is stored in the host server 40. Thereby, the karaoke apparatus 10 can download public data related to the collaboration performance from the host server 40 and simultaneously reproduce a plurality of sounds based on a plurality of recording data related to the public data. Furthermore, it is possible to increase the number of participants in the collaboration performance by creating post data by adding another singing and performance by another user based on the posting data produced by such a collaboration performance.

[Description of overall operation of karaoke system 1]
A series of operations by each device of the karaoke system 1 will be described based on the sequence diagram of FIG.

  First, the remote control terminal 30 accepts a request for posting (no collaboration) from the user. Specifically, the user performs an input operation on the remote control terminal 30 for designating a karaoke piece desired to be played. When the remote control terminal 30 accepts the input operation, the remote control terminal 30 transmits post request information including the music identification information of the designated karaoke music and the user information such as the requested user name to the operation target karaoke apparatus 10 (S10). ). It is assumed that the user name is stored in advance in the remote control terminal 30 when the user performs a predetermined login procedure when starting to use the karaoke apparatus 10.

  The karaoke apparatus 10 reproduces the internal music data of the karaoke music corresponding to the music identification information based on the posting request information received from the remote control terminal 30 (S12). At this time, the karaoke apparatus 10 mixes the reproduction sound from which the internal music data is reproduced and the singing sound or instrument sound input from the microphone 19 or the musical instrument 20 and outputs the mixed sound from the speaker. Further, the karaoke apparatus 10 records the recording data obtained by recording the singing sound or the instrument sound input from the microphone 19 or the musical instrument 20 with the recording volume value set in the karaoke apparatus 10 in parallel with the reproduction of the internal music data. Generate.

  When the reproduction of the karaoke music is completed, the karaoke apparatus 10 generates post data by adding post data management information including recording volume information to the generated recording data (S14). The karaoke apparatus 10 uploads the posting data generated in S14 to the host server 40 via the Internet (S16).

  An example of post data uploaded from the karaoke apparatus 10 to the host server 40 in S16 will be described with reference to FIG. FIG. 3A is an example of the structure of post data (no collaboration, one user) produced by a single user who is not performing a collaboration performance. As illustrated in FIG. 3A, the post data includes post data management information and recording data.

  The post data management information is information related to post data management, and includes post identification information, collaboration identification information, music identification information, posting user name, collaboration user name, and recording volume information. The post identification information is information for identifying post data and is given by the control unit 11 of the karaoke apparatus 10. In the case of FIG. 3A, “UL00001” corresponds to the post identification information. The collaboration identification information is information representing post identification information corresponding to other public data reproduced together in the collaboration performance. As in the case of FIG. 3A, in the post data without collaboration, the collaboration identification information is represented as “none”.

The music identification information is identification information for identifying the karaoke music corresponding to the post data, that is, the karaoke music played by the karaoke apparatus 10 when the post data is produced. In the case of FIG. 3A, “12345” corresponds to the music identification information. The posting user name is the name of the user related to the posting data, that is, the user name input in the posting request information by the remote control terminal 30, and is unique identification information for identifying the user. FIG.
In the case of (a), “aaaa” corresponds to the posting user name. The collaboration user name is the name of the other user of the collaboration performance, that is, the posting user related to other public data reproduced together in the collaboration performance. As in the case of FIG. 3A, in the post data without collaboration, the collaboration user name is represented as “none”.

  The recording volume information is information representing a recording volume value that is a setting value of the volume when the sound input from the microphone 19 or the musical instrument 20 is recorded for the recording data included in the posted data. In the case of FIG. 3A, “10” corresponds to the recording volume information. The volume value is a value that represents the loudness of the sound. As the information representing the volume value, a decibel (dB) generally used as a unit representing the volume of the sound may be used, or a scale uniquely set in the karaoke apparatus 10 may be used.

  When a scale that is uniquely set in the karaoke apparatus 10 is used, it is assumed that a decibel value corresponding to the volume value represented by the scale is defined in advance. For example, the sound volume value 10 is 5 decibels, the sound volume value 11 is 6 decibels, the sound volume value 12 is 7 decibels, and so on. In the present embodiment, it is assumed that the recording volume information is represented by a scale uniquely set in the karaoke apparatus 10. The recorded data is voice data in which a singing sound or musical instrument sound by a user related to the posting user name is recorded. In the example of FIG. 3A, a file named “UL00001_recording data” corresponds to the recording data.

  Returning to the description of FIG. The host server 40 stores the posted data uploaded from the karaoke apparatus 10 in the storage unit 42 (S18). Then, the host server 40 generates public data to be disclosed to other users by performing volume normalization processing, addition of public data management information and post user information to the post data (S20). ).

  An example of the public data generated in S20 will be described with reference to FIG. FIG. 3B is an example of the structure of public data (no collaboration, one user) related to the work of a single user who is not performing a collaboration performance. It is assumed that the public data illustrated in FIG. 3B is generated based on the post data illustrated in FIG. As illustrated in FIG. 3B, the public data includes public data management information, posted user information, and corrected recording data.

  The public data management information is information related to management of public data, and includes public identification information and music identification information. The public identification information is information for identifying public data, and is given by the control unit 41 of the host server 40. In the case of FIG. 3B, “DL00001” corresponds to the public identification information. The music identification information is identification information for identifying the karaoke music corresponding to the public data, and has the same content as the music identification information included in the post data based on the public data. In the case of FIG. 3B, “12345” corresponds to the music identification information.

  The posted user information (indicated as “posted user information 1” in FIG. 3B) is posted data that is the basis of the public data and information related to the posted user. The posted user information includes posted identification information, a user name, recorded sound volume information, and corrected volume information. The post identification information is information for identifying the post data that is the basis of the public data, and has the same content as the post identification information included in the post data. In the case of FIG. 3B, “UL00001” corresponds to the post identification information. The user name is the name of the user related to the post data corresponding to the post identification information, and has the same content as the post user name included in the post data. In the case of FIG. 3B, “aaa” corresponds to the user name.

The recording volume information is information indicating the recording volume of the recording data corresponding to the posting identification information, and has the same content as the recording volume information included in the posting data that is the basis of the public data. In the case of FIG. 3B, “10” corresponds to the recording volume information. The corrected sound volume information is information representing an adjustment amount adjusted from the original sound volume value by sound volume normalization for the recording data corresponding to the post identification information. In this embodiment, the value represents the difference between the recording volume value and the standard volume value in the original recording data. In the case of FIG. 3B, “+10” corresponds to the corrected sound volume information.

  The corrected sound recording data is sound data obtained by normalizing the sound volume by correcting the sound recording data included in the post data that is the basis of the public data. In the example of FIG. 3B, a file named “UL00001_corrected recording data” corresponds to the corrected recording data. This is the corrected recording data obtained by normalizing the volume of “UL00001_recording data” included in the posted data in FIG.

  Returning to the description of FIG. The host server 40 stores the generated public data in the database of the storage unit 42. Then, the host server 40 discloses the public data management information and the user name of the stored public data, and discloses the public data so that it can be searched by a terminal device such as the remote control terminal 30. Specifically, the host server 40 publishes a list of public identification information of public data, music identification information, user names, and the like.

  The remote control terminal 30 acquires the public data management information and the user name related to the public data from the host server 40 (S22). When the user desires a collaboration performance, the remote control terminal 30 accepts a request for posting (with collaboration) from the user based on the information related to the public data disclosed by the host server 40. Specifically, the user performs an input operation on the remote control terminal 30 for designating the requested karaoke music piece and the public data corresponding to the karaoke music piece and the public data desired for the collaboration performance.

  Also, for the public data requested, an input operation to select whether to reproduce the volume value at the time of recording represented by the recording volume information, or to reproduce it with the volume value of the corrected recording data normalized in volume. Is performed on the remote control terminal 30 by the user. This input operation can be selected individually for each piece of public data when requesting download of a plurality of pieces of public data.

  When the remote control terminal 30 accepts the input operation related to the request, the post request information including the music identification information of the designated karaoke music, the user information regarding the requested user, and the public identification information of the designated public data, It transmits to the karaoke apparatus 10 of operation object (S24). Further, when an instruction to reproduce and reproduce the volume value at the time of recording is input for the requested public data, volume reproduction information representing the instruction content is added to the request information and transmitted to the operation target karaoke apparatus 10. .

  The karaoke apparatus 10 that has received the post request with collaboration from the remote control terminal 30 downloads the public data corresponding to the public identification information included in the received post request information from the host server 40 (S26). The public data downloaded here is illustrated in FIG. Also, the karaoke apparatus 10 reproduces the corrected recording data of the public data downloaded from the host server 40 by reproducing the volume value at the time of recording based on the volume reproduction information included in the received post request information, It is determined whether or not to play the sound with the volume value of the normalized corrected recording data.

And the karaoke apparatus 10 reproduces | regenerates simultaneously the internal music data of the karaoke music corresponding to the music identification information of the received contribution request information, and the correction recording data included in the public data downloaded from the host server 40 (S28). At this time, when the volume reproduction information is added to the request information, the karaoke apparatus 10 corrects the volume value of the corrected recording data based on the recording volume information and the corrected volume information included in the corresponding public data before the correction. Playback is performed after correcting to the recording volume value.

  On the other hand, when the volume reproduction information is not added, reproduction is performed with the volume value of the corrected recording data normalized in volume. The karaoke apparatus 10 mixes the reproduction sound from which the internal music data and the corrected recording data are reproduced, the singing sound and the instrument sound input from the microphone 19 and the musical instrument 20, and outputs the mixed sound from the speaker. And the karaoke apparatus 10 records the song sound and instrument sound which are input from the microphone 19 and the musical instrument 20 in parallel with the reproduction of the internal music data and the public data, and generates new recording data.

  When the reproduction of the karaoke music and the public data is finished, the karaoke apparatus 10 generates new post data in which the post data management information including the recording volume information and the like is added to the recording data generated this time (S30). The karaoke apparatus 10 uploads the posting data generated in S30 to the host server 40 via the Internet (S32).

  An example of post data uploaded from the karaoke apparatus 10 to the host server 40 in S32 will be described with reference to FIG. FIG. 4A is an example of the structure of post data (with collaboration, two users) produced in a collaboration performance by two users composed of public data for one user and a singer. The post data illustrated in FIG. 4A is assumed to be newly generated in a collaboration performance using the public data illustrated in FIG. 3B.

  As illustrated in FIG. 4A, post data (with collaboration, 2 users) includes post data management information and recording data, and is the same as the case of FIG. 3A (no collaboration, 1 user). It consists of information items. However, the example of FIG. 4A is different from the example of FIG. 3A in that specific information regarding the collaboration performance is described in the items of the collaboration identification information and the collaboration user name.

  The post data management information includes post identification information, collaboration identification information, music identification information, posting user name, collaboration user name, and recording volume information. In the case of FIG. 4A, “UL00002” corresponds to post identification information. The collaboration identification information is information representing post identification information corresponding to other public data reproduced together in the collaboration performance. In the case of FIG. 4A, “UL00001” corresponds to the collaboration identification information. That is, this collaboration identification information is posting identification information included in the posting user information of the public data exemplified in FIG.

  In the case of FIG. 4A, “12345” corresponds to the music identification information. In the case of FIG. 4A, “bbbb” corresponds to the posting user name. The collaboration user name is the name of the other user of the collaboration performance, that is, the posting user related to other public data reproduced together in the collaboration performance. In the example of FIG. 4A, “aaa” corresponds to the collaboration user name. That is, the collaboration user name is a user name included in the posted user information of the public data illustrated in FIG. In the case of FIG. 4A, “5” corresponds to the recording volume information. In the case of FIG. 4A, a file named “UL00002_recording data” corresponds to the recording data.

Returning to the description of FIG. The host server 40 stores the posted data uploaded from the karaoke apparatus 10 in the storage unit 42 (S34). Then, the host server 40 generates public data to be disclosed to other users by performing volume normalization processing, giving public data management information and post user information to the post data (S36). ). Then, the host server 40 stores the generated public data in the database of the storage unit 42. Then, the host server 40 discloses the public data management information and the user name of the stored public data, and discloses the public data so that it can be searched by a terminal device such as the remote control terminal 30.

  An example of the public data generated in S36 will be described with reference to FIG. FIG. 4B is an example of the structure of public data (with collaboration, two users) related to a work produced in a collaboration performance by two users. The public data illustrated in FIG. 4B is assumed to be generated based on the post data illustrated in FIG.

  As illustrated in FIG. 4B, the public data includes public data management information, post user information for two users, and corrected recording data for two users. Each of the public data management information, posted user information, and corrected recording data is composed of the same information items as the case of FIG. 3B (no collaboration, 1 user). However, the example of FIG. 4B relates to the public data of FIG. 3B reproduced together in the collaboration performance in addition to the posted user information and the corrected recording data related to the posted data of FIG. It differs from the case of FIG. 3B in that the posted user information and the corrected recording data are recorded.

  The public data management information includes public identification information and music identification information. In the case of FIG. 4B, “DL00002” corresponds to the public identification information. In the case of FIG. 4B, “12345” corresponds to the music identification information. Posted user information 1 is public data of FIG. 3B reproduced together in the collaboration performance and information related to the user. The posted user information 1 includes posted identification information, a user name, recorded sound volume information, and corrected volume information.

  In the case of FIG. 4B, “UL00001” corresponds to the posted identification information of the posted user information 1. This posting identification information is posting identification information included in the posting user information of the public data in FIG. 3B, and has the same content as the collaboration identification information included in the posting data management information of the posting data in FIG. It is. In the case of FIG. 4B, “aaa” corresponds to the user name of the posted user information 1. This user name is the user name included in the posted user information of the public data in FIG. 3B, and has the same content as the collaboration user name included in the posted data management information of the posted data in FIG. . In the case of FIG. 4B, “10” corresponds to the recording volume information of the posted user information 1. In the case of FIG. 4B, “+10” corresponds to the corrected sound volume information of the posted user information 1. These recorded volume information and corrected volume information are the same as the recorded volume information and corrected volume information included in the posted user information of the public data in FIG. That is, the host server 40 reads information such as the recording sound volume information and the corrected sound volume information from the existing public data stored in the database, and gives it to the posting user information of the newly generated public data.

  In addition, when the posting user information regarding a plurality of users is included in the public data reproduced together in the collaboration performance, the host server 40 newly generates the individual posting user information for each of the plurality of users. To grant.

Posted user information 2 is information related to the posted data in FIG. 4A and the posted user. The posted user information 2 includes posted identification information, a user name, recorded sound volume information, and corrected volume information. In the case of FIG. 4B, “UL00002” corresponds to the posted identification information of the posted user information 2. This posting identification information has the same content as the posting identification information included in the posting data of FIG. In the case of FIG. 4B, “bbbb” corresponds to the user name of the posted user information 2. This user name has the same content as the posting user name included in the posting data in FIG. In the example of FIG. 4B, “5” is the recording volume information of the posting user information 2. This sound volume information is the same as the sound volume information included in the post data in FIG. In the example of FIG. 4B, “+15” is the corrected sound volume information of the posted user information 2. The corrected volume information is information representing the adjustment amount adjusted from the original volume value by volume normalization for the recording data included in the post data of FIG.

  In the example of FIG. 4B, the file named “UL00001_corrected recording data” is the corrected recording data related to the public data of FIG. 3B reproduced together in the collaboration performance. The host server 40 acquires the corrected recording data from the existing public data stored in the database, and gives it to the newly generated public data. When a plurality of corrected recording data is included in the public data reproduced together in the collaboration performance, the host server 40 assigns all the corrected recording data to newly generated public data.

  In the example of FIG. 4B, the corrected audio data obtained by normalizing the volume of “UL00002_recording data” included in the post data of FIG. 4A by the file named “UL00002_corrected recording data”. It is.

[Description of server processing]
The procedure of server processing executed by the control unit 41 of the host server 40 will be described with reference to the flowchart of FIG. This process is repeatedly executed while the host server 40 is operating.

  In S <b> 100, the control unit 41 determines whether an acquisition request for information regarding public data is received from the remote control terminal 30 or the karaoke apparatus 10. When the information acquisition request regarding the public data is received (S100: YES), the control unit 41 proceeds to S102.

  In S102, the control unit 41 determines whether or not the acquisition request determined in S100 relates to public data management information and a user name inquiry. When the acquisition request relates to the public data management information and the user name inquiry (S102: YES), the control unit 41 proceeds to S104. The acquisition request in this case is assumed to be requested from the remote control terminal 30 in S22 of FIG. 2, for example. In S <b> 104, the control unit 41 transmits the public data management information and the list of user names related to the public data stored in the database of the storage unit 42 to the remote control terminal 30 that is the request source. After S104, the control unit 41 returns to S100.

  On the other hand, when the acquisition request determined in S100 is a request for transmission of the public data body (S102: NO), the control unit 41 proceeds to S106. The acquisition request in this case is assumed to be requested from the karaoke apparatus 10 in S26 of FIG. 2, for example. In S106, the control unit 41 obtains all the information of the public data management information, the posted user information, and the corrected recording data included in the public data corresponding to the public identification information included in the acquisition request, from the requesting karaoke apparatus 10. Send to. After S106, the control unit 41 returns to S100.

  On the other hand, when it is determined in S100 that an acquisition request for information related to public data has not been received (S100: NO), the control unit 41 proceeds to S108. In S <b> 108, the control unit 41 determines whether or not the posting data has been uploaded from the karaoke apparatus 10. The posting data is uploaded, for example, in S16 or S32 of FIG. When uploading of post data is not accepted (S108: NO), the control unit 41 returns to S100. On the other hand, when uploading of posting data is accepted (S108: YES), the control unit 41 proceeds to S110.

  In S <b> 110, the control unit 41 stores the received post data in the storage unit 42. In S112, the control unit 41 generates corrected recording data by performing a correction for normalizing the volume value of the recording data included in the post data stored in S110 to a standard volume value. In S114, the control unit 41 generates public data by adding the public data management information and the posting user information to the corrected recording data generated in S112, and stores the generated public data in the database of the storage unit 42. . After S114, the control unit 41 returns to S100.

  Specifically, the control unit 41 includes, in each piece of information included in the post data management information of the post data stored in S110, a post user regarding public identification information, corrected volume information, and public data reproduced together in a collaboration performance. Public data is generated by newly adding information such as information. For example, the post data illustrated in FIG. 3A (no collaboration, one user) is uploaded from the karaoke apparatus 10 so that the public data (collaboration) illustrated in FIG. None, 1 user) is generated. 4A is uploaded from the karaoke apparatus 10 so that the public data (collaboration) illustrated in FIG. 4B is based on the posted data. Yes, 2 users) are generated.

[Description of post processing]
The procedure of the posting process executed by the control unit 11 of the karaoke apparatus 10 will be described based on the flowchart of FIG. This process is repeatedly executed while the karaoke apparatus 10 is in operation.

  In S <b> 200, control unit 11 reads post request information received from remote control terminal 30. The posting request information is transmitted from the remote control terminal 30 in, for example, S10 and S24 in FIG. In S202, the control unit 11 determines whether or not the music piece identification information and the user information are included in the read post request information. When the posting request information does not include either the music identification information or the user information (S202: NO), the processing regarding the posting request information is terminated and the process returns to S200. Then, the control part 11 performs the process regarding the following posting request information. On the other hand, when the music piece identification information and the user information are included in the posting request information (S202: YES), the control unit 11 proceeds to S204.

  In S204, the control part 11 reads music identification information, user information, public identification information, and sound volume reproduction information from the posting request information read in S200. In S206, the control unit 11 reads the internal music data corresponding to the music identification information read in S204 from the storage unit 12. In S208, the control unit 11 determines whether or not public identification information for requesting a collaboration performance exists in the information read in S204. The control unit 11 determines whether to perform a collaboration performance or a single performance based on the presence / absence of public identification information. When the public identification information does not exist (S208: NO), the control unit 11 proceeds to S218. On the other hand, when public identification information exists (S208: YES), control part 11 progresses to S210.

  In S <b> 210, the control unit 11 downloads from the host server 40 public data corresponding to the public identification information, that is, public data that is a partner of the collaboration performance. In S212, the control unit 11 determines whether or not the volume reproduction information exists in the information read in S204. Based on the presence / absence of volume reproduction information, the control unit 11 determines whether to reproduce the public data by reproducing the volume at the time of recording. When the volume reproduction information does not exist (S212: NO), the control unit 11 proceeds to S216. On the other hand, when the volume reproduction information exists (S212: YES), the control unit 11 proceeds to S214.

In S214, the control unit 11 corrects the volume value of the corrected recording data included in the public data instructed in the volume reproduction information so that the recording volume value at the time of recording is reproduced. As illustrated in FIGS. 3B and 4B, the public data includes recorded sound volume information at the time of recording and corrected sound volume information when the sound volume is normalized for each corrected sound recording data as posted user information. include. Based on the recording volume information and the corrected volume information corresponding to the corrected recording data to be corrected, the control unit 11 corrects the volume value of the corrected recording data to the volume value at the time of recording.

  In S <b> 216, the control unit 11 reproduces the corrected recording data to be a partner of the collaboration performance in the music reproduction unit 13. Here, with respect to the corrected recording data corrected in S214, the corrected recording data is reproduced with the volume value at the time of recording (that is, the volume value before volume normalization). On the other hand, with respect to the corrected recording data that has not been subjected to the correction in S214, reproduction is performed with the corrected recording data normalized in volume.

  Next, the control part 11 performs the process of S218, S220, S222 in parallel. In S218, the control unit 11 reproduces the internal music data read in S206 in the music reproduction unit 13. In S218, when the corrected recording data that is the partner of the collaboration performance is reproduced, the corrected recording data and the internal music data are reproduced in synchronization. At this time, the voice input / output unit 14 mixes the reproduced sound from which the internal music data and the corrected recording data are reproduced, the singing sound and the instrument sound input from the microphone 19 and the instrument 20, and outputs the mixed sound. In S <b> 220, the control unit 11 records the input sound input from the microphone 19 or the musical instrument 20 via the voice input / output unit 14 with the recording volume value set in the karaoke apparatus 10 to generate recording data. In S222, the control unit 11 acquires a recording volume value that is a setting value of the volume of the recording data recorded in S220.

  In S224, the control unit 11 determines whether or not the reproduction of the internal music data has been completed. When the reproduction of the internal music data has not ended (S224: NO), the control unit 11 repeats S218 to S222. On the other hand, when the reproduction of the internal music data is completed (S224: YES), the control unit 11 proceeds to S226.

  In S226, the control unit 11 adds new post data management information to the recording data generated in S220, and generates new post data. The post data management information given to the post data includes post identification information, collaboration identification information, music identification information, posting user name, collaboration user name, and recording volume information acquired in S220. The post data generated when a performance by a singer alone (no collaboration) is the same as the content of the post data generated in S14 of FIG. 2, and the specific content is shown in FIG. Is exemplified. On the other hand, the post data generated when the collaboration performance with the public data downloaded from the host server 40 is performed is the same as the content of the post data generated in S30 of FIG. This is illustrated in FIG.

  In S228, the control unit 11 uploads the post data generated in S226 to the host server 40 via the communication unit 18. After uploading, the control unit 11 returns to S200 and performs processing related to the next posting request information.

[effect]
The karaoke system 1 according to the embodiment has the following effects.
With respect to post data uploaded from the karaoke apparatus 10, the host server 40 corrects the volume value of the recorded data, thereby normalizing the volume of a plurality of different post data. At this time, the host server 40 can save as public data including the recording volume information representing the original volume value at the time of recording and the corrected volume information representing the volume value adjustment amount by the volume normalization.

In this way, when the karaoke apparatus 10 downloads the public data from the host server 40 and reproduces it, the corrected sound recording data that has been volume-normalized based on the recording sound volume information and the corrected sound volume information included in the public data is used. The original volume value at the time of recording can be reproduced. Therefore, the karaoke apparatus 10 can select according to the user's request to reproduce in a state in which the volume value at the time of recording is reproduced or in a state in which the volume is normalized, so that more users Can meet the demands of.

  In addition, the karaoke apparatus 10 can upload post data created in a collaboration performance using public data downloaded from the host server 40 to the host server 40. Also, post data produced in the collaboration performance can be arbitrarily selected by the user to reproduce in a state in which the volume value at the time of recording is reproduced or in a state in which the volume is normalized.

[Modification]
In the sequence diagram of FIG. 2, the process performed by the karaoke device 10 on the new posting side and the process performed by the karaoke device 10 on the collaboration posting side are described separately. Of course, both processes are executed by the same karaoke device 10. May be.

  The functions of one component in the above embodiment may be distributed as a plurality of components, or the functions of a plurality of components may be integrated into one component. In addition, all the aspects included in the technical idea specified only by the wording described in the claim are embodiment of this invention.

[Correspondence with configuration described in claims]
The correspondence between each configuration of the embodiment and the configuration described in the claims is as follows.
The host server 40 corresponds to the server. 5 executed by the control unit 41 of the host server 40 corresponds to the first acquisition unit and the acquisition unit of claim 4. S112 in FIG. 5 executed by the control unit 41 of the host server 40 corresponds to the sound volume correction means. S114 in FIG. 5 executed by the control unit 41 of the host server 40 corresponds to a storage unit. S106 in FIG. 5 executed by the control unit 41 of the host server 40 corresponds to a distribution unit.

  The karaoke device 10 (new posting) when posting data is generated without collaboration and uploaded to the host server 40 corresponds to the first karaoke device. The karaoke apparatus 10 (collaboration posting) when downloading public data from the host server 40 and performing a collaboration performance corresponds to the second karaoke apparatus.

  The storage unit 12 of the karaoke apparatus 10 corresponds to a first storage unit, a second storage unit, and a storage unit. S210 of FIG. 6 which the control part 11 of the karaoke apparatus 10 performs corresponds to a 2nd acquisition means and the acquisition means of Claim 5. S212 of FIG. 6 which the control part 11 of the karaoke apparatus 10 performs corresponds to a determination means. S214 of FIG. 6 which the control part 11 of the karaoke apparatus 10 performs corresponds to a sound volume reproduction means. 6 executed by the control unit 11 of the karaoke apparatus 10 corresponds to the first control means, the second control means, and the control means. S220 of FIG. 6 which the control part 11 of the karaoke apparatus 10 performs corresponds to a recording means. S226 and S228 of FIG. 6 which the control part 11 of the karaoke apparatus 10 performs correspond to an upload means.

  DESCRIPTION OF SYMBOLS 1 ... Karaoke system, 10 ... Karaoke apparatus, 11 ... Control part, 12 ... Memory | storage part, 13 ... Music reproduction part, 14 ... Audio | voice input / output part, 15 ... Image | video control part, 17 ... Operation part, 18 ... Communication part, 19 DESCRIPTION OF SYMBOLS 20 ... Musical Instruments 21 ... Speakers 23 ... Monitors 30 ... Remote Control Terminals 31 ... Control Units 32 ... Operation Units 33 ... Storage Units 34 ... Display Units 35 ... Communication Units 40 ... Host Servers 41... Control unit, 42... Storage unit, 43.

Claims (5)

First storage means for storing music data representing the performance sound of the music;
First control means for outputting a performance sound based on the music data stored in the first storage means and also outputting an input sound inputted by the sound input means during the performance;
Recording means for generating recording information, which is information obtained by recording the input sound input by the sound input means during performance based on the music data at a preset recording volume value;
Music identification information indicating the music piece played by the first control means, recording information generated by the recording means when the music is played, and a volume indicating a recording volume value when the recording information is generated Upload means for uploading post data including information to the server;
A first karaoke device comprising:
First acquisition means for acquiring the posted data uploaded;
Volume correction means for generating corrected recording information which is information obtained by adjusting the volume value of the recording information included in the post data acquired by the first acquisition means according to a standard volume value;
The corrected recording information generated by the volume correction unit, the music identification information corresponding to the corrected recording information, the volume information included in the posted data, and the corrected recording information generated by the volume correction unit Storage means for storing public data including correction information indicating an adjustment amount of the volume value in a database;
Distribution means for distributing the stored public data to a second karaoke device;
A server comprising:
Second acquisition means for acquiring public data used for performance from the server;
Deciding whether to reproduce the public data acquired by the second acquisition means by reproducing the volume value at the time of recording represented by the volume information, or to reproduce the volume value of the corrected recording information Means,
When it is determined to reproduce and reproduce the volume value at the time of recording represented by the volume information by the determining means, by correcting the volume value of the corrected recording information based on the volume information and the correction information, Volume reproduction means for reproducing the recording volume value at the time of recording for the corrected recording information,
Second storage means for storing music data representing the performance sound of the music;
When it is determined by the determining means to reproduce and reproduce the volume value at the time of recording represented by the volume information, a performance sound is output based on music data corresponding to the music identification information of the public data, and When the playback sound based on the corrected recording information corrected by the volume reproduction means is output together, while the determination means determines to play back the volume value of the corrected recording information, the performance sound is played based on the music data. A second control means for outputting the reproduced sound based on the corrected recording information of the public data together with the output,
A second karaoke device comprising:
A karaoke system characterized by comprising: The karaoke system according to claim 1,
In the second karaoke apparatus,
The second control means outputs a performance sound and a reproduction sound based on the music data and the public data, and executes a collaboration performance that outputs the input sound input by the sound input means at the time of the performance,
Second recording means for generating second recording information which is information obtained by recording the input sound input by the sound input means at the time of execution of the collaboration performance at a preset recording volume value;
Music identification information representing the music piece played in the collaboration performance, second recording information generated by the recording means during the collaboration performance, and recording volume value when the second recording information is generated Second upload means for uploading second posted data including second volume information and public data identification information for identifying public data used for the collaboration performance to a server;
In the server,
The first acquisition means acquires the uploaded second post data,
The volume correction unit generates second corrected recording information that is information obtained by adjusting the volume value of the second recording information included in the second post data acquired by the first acquisition unit according to a standard volume value. And
The storage means includes second corrected recording information generated by the volume correction means, music identification information corresponding to the second corrected recording information, second volume information included in the second post data, and the volume Second correction information indicating an adjustment amount of a volume value when the second correction recording information is generated by the correction means, and the correction recording information related to public data corresponding to public data identification information included in the second post data. And storing the second public data including the volume information and the correction information in a database,
The distribution means distributes the stored second public data to the second karaoke device;
Karaoke system featuring The karaoke system according to claim 2,
In the second karaoke apparatus,
The second acquisition means acquires second public data used for performance from the server,
The determination means reproduces and reproduces the volume information at the time of recording represented by the volume information and the second volume information for the second public data acquired by the second acquisition means, or the corrected recording. To determine whether to reproduce the information and the volume value of the second corrected recording information,
The volume reproducing means, when it is determined by the determining means to reproduce and reproduce the volume value at the time of recording represented by the volume information and the second volume information, the corrected recording information and the second corrected recording information Is corrected based on the volume information, the second volume information, the correction information, and the second correction information, so that the corrected recording information and the second corrected recording information are recorded at the time of recording. Is reproduced,
When it is determined by the determining means that the volume information and the volume value at the time of recording represented by the second volume information are reproduced and reproduced by the determining means, the second control means uses the music identification information of the second public data as the music identification information. A performance sound is output based on the corresponding music data, and a reproduced sound based on the corrected recording information corrected by the volume reproduction means and the second corrected recording information is output together, while the corrected recording information is output by the determination means. And when it is determined to reproduce the volume value of the second corrected recording information, the performance sound is output based on the music data, and the reproduction is performed based on the corrected recording information and the second corrected recording information of the second public data. Outputting sound together,
Karaoke system featuring Posting data including music identification information representing the music title, recording information in which the input sound input during the performance of the music is recorded, and volume information representing the recording volume value when the recording information is generated Obtaining means for obtaining
Volume correction means for generating corrected recording information which is information obtained by adjusting the volume value of the recording information included in the post data acquired by the first acquisition means according to a standard volume value;
The corrected recording information generated by the volume correction unit, the music identification information corresponding to the corrected recording information, the volume information included in the posted data, and the corrected recording information generated by the volume correction unit Storage means for storing public data including correction information indicating an adjustment amount of the volume value in a database;
Distribution means for distributing the stored public data to a karaoke device;
A server comprising: Storage means for storing music data representing the performance sound of the music;
Control means for outputting a performance sound based on the music data stored in the storage means and also outputting an input sound input by the sound input means during the performance;
Recording means for generating recording information, which is information obtained by recording the input sound input by the sound input means during performance based on the music data at a preset recording volume value;
Music identification information representing the music piece played by the control means, recording information generated by the recording means during the performance of the music, and volume information representing a recording volume value when the recording information is generated Upload means for uploading post data including
Public data used for performance, music identification information representing a music piece, corrected recording information generated by adjusting a volume value of the recording information to a standard volume value, and the recording information Acquisition means for acquiring public data from the server, including volume information indicating a recording volume value when generated, and correction information indicating an adjustment amount of the volume value when the corrected recording information is generated;
Determination means for deciding whether to reproduce and reproduce the volume value at the time of recording represented by the volume information, or to reproduce the volume value of the corrected recording information for the public data acquired by the acquisition means ,
When it is determined to reproduce and reproduce the volume value at the time of recording represented by the volume information by the determining means, by correcting the volume value of the corrected recording information based on the volume information and the correction information, Volume correction means for reproducing the recording volume value at the time of recording for the corrected recording information,
The control means, when it is determined by the determining means to reproduce and reproduce the volume value at the time of recording represented by the volume information, based on the music data corresponding to the music identification information of the public data And the reproduction sound based on the corrected recording information corrected by the volume reproduction means is output together, while the music data is determined to be reproduced with the volume value of the corrected recording information by the determination means Outputting a performance sound based on the above, and also outputting a reproduction sound based on the corrected recording information of the public data,
Karaoke device characterized by.

Images