JP2009198714A - Karaoke device and reproduction processing method of karaoke accompaniment music and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a Karaoke device and a reproduction processing method of Karaoke accompaniment music and a program which automatically corrects a pitch of the Karaoke accompaniment music so that the pitch of the Karaoke accompaniment music may match the pitch of singing voice of a singer when the pitch of the Karaoke accompaniment music does not match the pitch of singing voice of the singer, the Karaoke device and the reproduction processing method of the Karaoke accompaniment music and the program raising interest of the singer and a listener of a song sung by the singer. <P>SOLUTION: The Karaoke device and the reproduction processing method of Karaoke accompaniment music and the program is provided, wherein when the Karaoke accompaniment music is reproduced, a motion state of the singer is detected and when the detected motion state of the singer is a predetermined motion state, the Karaoke accompaniment music is corrected. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a karaoke apparatus and a karaoke accompaniment music reproduction processing method and program, and more particularly to a karaoke apparatus provided with a correction unit for correcting karaoke accompaniment music and a karaoke accompaniment music reproduction processing method and program. Is.

  Conventionally, in a karaoke apparatus, the pitch (hereinafter referred to as “pitch”) of karaoke accompaniment music (hereinafter referred to as “song”) can be changed so that a singer can sing a song with a desired key. A pitch control function was provided.

  A karaoke apparatus having this pitch control function is generally configured to change the pitch of a song by operating a remote controller or a switch disposed on the karaoke device body before or during the reproduction of the song. It had been.

  A singer who uses such a karaoke device often notices that the key of his voice does not match the pitch of the song after starting to sing, so the song pitch is changed by operating the remote control etc. during the song. The operation was troublesome.

  In addition, when the pitch of a song is changed in the middle of a song in this way, the singer cannot sing even though the song is in progress while operating a switch such as a remote control. There was a problem that the person who listened to was awakened.

  If the singer changes the pitch of the song to the desired pitch before the song starts playing, this problem can be solved, but for that, the singer must I had to remember how the pitch of the song changed, and that was also cumbersome.

  As a karaoke device that solves these problems, a device that can automatically change the pitch of a song in accordance with a key of a singer's voice has been devised (for example, see Patent Document 1).

This karaoke apparatus inputs a singing signal output from the karaoke media playback apparatus, detects a pitch of the signal, and inputs a microphone output signal to detect a pitch of the signal. And a calculation means for calculating a pitch shift between the song and the voice of the singer based on the output signal of the first pitch detection means and the output signal of the second pitch detection means. Based on the calculation result of the means, the key of the singer's voice and the pitch of the song are automatically adjusted to be adjusted.
JP-A-6-130890

  However, since the conventional karaoke apparatus is configured to automatically adjust the pitch of the song with respect to the voices of all the singers, there is a problem of lack of interest.

  In other words, for a singer who uses a karaoke device, one of the main purposes is how to sing well, but it is also possible to sing while dancing with choreography matched to the song, or singing with gestures with emotions This is one of the major objectives in terms of interest.

  In addition, for those who listen to the song of a singer, listening to a good song is one of the major objectives, but watching the dance and gesturing gestures of the singer sings is also a big purpose from the viewpoint of interest one of.

  In the conventional karaoke apparatus, although the user's purpose of singing a song well and listening to a good song can be dealt with, the purpose from the viewpoint of the above-mentioned interest is not dealt with. The problem of lack of sex remained.

  Therefore, in the present invention according to claim 1, a playback unit that plays back karaoke accompaniment music, an operation state detection unit that detects a singer's operation state when the karaoke accompaniment music is being played back, and the operation state When the operation state of the singer detected by the detection unit is a predetermined operation state, a karaoke apparatus including a correction unit that corrects the karaoke accompaniment music is provided.

  Moreover, in this invention which concerns on Claim 2, in the karaoke apparatus of Claim 1, the said correction | amendment part has memorize | stored the said singer's action | type according to the kind of said karaoke accompaniment music, Based on the storage means, the music type detecting means for detecting the type of the karaoke accompaniment music played by the playback unit, and the action type corresponding to the type of the karaoke accompaniment music detected by the music type detecting means. An action type determining means, and when the operation state of the singer is the action type determined by the action type determining means, determining the predetermined operation state and correcting the karaoke accompaniment music It is characterized by.

  Moreover, in this invention which concerns on Claim 3, in the karaoke apparatus of Claim 2, the said correction | amendment part is based on the coincidence degree of the said operation state of the said singer detected by the said operation state detection part, and the said karaoke accompaniment music. Accordingly, the correction amount of the karaoke accompaniment music is changed.

  Moreover, in this invention which concerns on Claim 4, in the karaoke apparatus of any one of Claims 1-3, the said correction | amendment part is according to the operation amount of the said singer detected by the said operation state detection part. The correction amount of the karaoke accompaniment music is changed.

  Moreover, in this invention which concerns on Claim 5, in the karaoke apparatus of any one of Claims 1-4, the said correction | amendment part correct | amends the pitch of the said karaoke accompaniment music as correction | amendment of the said karaoke accompaniment music. It is characterized by that.

  Moreover, in this invention which concerns on Claim 6, in the karaoke apparatus of Claim 5, the said correction | amendment part detects the pitch of the singing voice of the said singer based on the singing voice signal from a microphone, Accompaniment pitch detecting means for detecting the pitch of the karaoke accompaniment music reproduced by the reproducing unit; and difference detecting means for detecting a difference between the pitch of the singing voice of the singer and the pitch of the karaoke accompaniment music, As correction of karaoke accompaniment music, the pitch of the karaoke accompaniment music is corrected, and the difference between the pitch of the singing voice and the pitch of the karaoke accompaniment music is reduced.

  Moreover, in this invention which concerns on Claim 7, In the karaoke apparatus of any one of Claims 1-6, The microphone unit in which the said singer inputs a singing voice, and the microphone unit containing the said operation state detection part. It is characterized by having.

  Moreover, in this invention which concerns on Claim 8, it was decided to provide the program which functions a computer as the said correction | amendment part of the karaoke apparatus of any one of Claims 1-6.

  According to a ninth aspect of the present invention, there is provided a reproduction processing method for karaoke accompaniment music, the step of reproducing karaoke accompaniment music, and detecting the operating state of a singer when the karaoke accompaniment music is being reproduced. And a step of correcting the karaoke accompaniment music when the detected singer's operation state is a predetermined operation state.

  In the present invention, when the karaoke accompaniment music is being played back, the operation state of the singer is detected, and the karaoke accompaniment music is corrected according to the detected operation state of the singer. Improves interest for both singers and those who listen to the songs of the singers, as they can encourage singers singing with songs that do not match the pitch. It is possible to provide a reproduction processing method and program for a karaoke apparatus and karaoke accompaniment music.

[1. (About outline of karaoke equipment)
Hereinafter, an embodiment of the present invention will be specifically described with reference to the drawings. FIG. 1 is an explanatory diagram showing an overview of the karaoke apparatus according to the present embodiment.

  As shown in FIG. 1, a karaoke apparatus 1 according to the present embodiment is arranged in a private room (hereinafter referred to as “karaoke box H”) or the like composed of a soundproof wall or the like, and is used for music selected by a user. A device for reproducing karaoke accompaniment music (hereinafter referred to as “song”), and includes a karaoke device main body 10, a display unit 11, a speaker 12, a microphone unit 13, and a remote controller (not shown).

  The karaoke apparatus body 10 stores sound data (hereinafter referred to as “song data”) corresponding to a plurality of pieces of music and image data including lyric images and production images of each piece of music.

  The karaoke apparatus main body 10 allows a user to select a desired music piece by operating a remote controller or the like, thereby reproducing the music data of the selected music piece and generating a sound from the speaker 12 and reproducing the music piece to be reproduced. When an image of lyrics corresponding to the data and a production video are displayed on the display unit 11 and the user starts to sing a song, the voice of the user (hereinafter referred to as “singer”) is also emitted from the speaker 12. Device. The specific configuration of the karaoke apparatus body 10 will be described in detail later.

  The display unit 11 is a device that displays a lyric image or an effect image according to an image signal input from the karaoke device body 10 and is configured by a large liquid crystal display device. The display unit 11 is not limited to a liquid crystal display device, and may be any device as long as it can display an image according to an image signal input from the outside, such as a CRT (Cathode Ray Tube) display or a plasma display. The display device can be used.

  The speaker 12 is a device that converts an audio signal input from the karaoke apparatus body 10 into sound and outputs the sound.

  The microphone unit 13 is a device that converts the singing voice of the singer P into an audio signal that is an electrical signal and outputs the voice signal to the karaoke apparatus body 10. In the present embodiment, a wireless transmission unit (not shown) is provided in the microphone unit 13, and the wireless transmission unit is configured to transmit an audio signal to the karaoke apparatus body 10.

  A remote controller (not shown) is operated to select a selection button operated when a user selects a desired music, a reservation button operated to reserve a music to be reproduced next, and to stop reproduction of the music. A plurality of operation buttons operated to execute various functions of the karaoke apparatus 1 such as a stop button, and when each operation button is operated, a control signal corresponding to the button operation is transmitted to the karaoke apparatus body 10 A wireless communication unit.

  In particular, the karaoke apparatus 1 according to the present embodiment includes an operation state detection unit that detects the operation state of the singer P when the song is being played, in addition to the playback unit that plays the song, and the operation state detection unit. When the operation state of the singer P detected by the above is a predetermined operation state, the correction unit corrects the music so as to match the singing voice of the singer P.

  In this embodiment, the operation state of the singer P when singing a song is detected by providing an operation state detection unit configured by an acceleration sensor inside the microphone unit 13.

  In addition, an operation state detection part is not limited to the acceleration sensor arrange | positioned at the microphone unit 13, It is set as arbitrary structures if it can detect the operation state of the singer P when singing a song. be able to.

  For example, a predetermined space such as a stage where the singer P sings is provided in the karaoke box H, and a plurality of pressure sensors are arranged on the floor surface of the stage. The structure which detects the operation state of the singer P by providing the structure which detects an operation state, and the imaging device which image | photographs a stage, and imaging and capturing the operation | movement aspect of the singer P with this imaging device, A pressure sensor that detects the strength with which the singer P grips the microphone unit 13 is provided in the microphone unit 13, and an arbitrary configuration such as a configuration in which the operation mode (degree of singing) of the singer P is detected by the pressure sensor. Can do.

  In addition, the correction unit corrects the singing voice key of the singer P (hereinafter referred to as “singing voice pitch”) and the pitch of the music (hereinafter referred to as “accompaniment pitch”). It is configured to correct by changing.

  The correction performed by the correction unit of the present embodiment is not limited to correction for changing the accompaniment pitch, and may be configured to perform arbitrary correction as long as the correction is made so that the song of the singer P can be heard well. .

  For example, when the operating state of the singer P when singing a song is in a predetermined operating state, the singer P is corrected at a predetermined timing during the reproduction of the song or the correction for changing the degree of echoing the singing voice of the singer P Correction of singing voice of P with a singing voice with a key 5 times higher than singing voice of singing person P (adding morimori), correction to match singing person's P singing speed and speed of singing, volume of singing and singing voice Arbitrary corrections such as correction for adjusting the balance may be performed.

  In the case of such a configuration, the pitch changing unit 118 (see FIG. 2), which will be described later, is provided with an echo adding unit, a hammer adding unit, a reproduction speed adjusting unit, a volume adjusting unit, and the like.

  Thus, in the karaoke apparatus 1 of this embodiment, when the operation state of the singer P becomes a predetermined operation state during the reproduction of the song, the song is corrected so that the song of the singer P can be heard well. Since it comprises, it can urge the singer P to sing while performing predetermined actions such as gestures and dancing.

As a result, the singer P comes to sing a song while moving his body, and can feel further interest in singing a song using the karaoke device 1, while the singer P's Even for the person who is listening to the song, the user can listen to the song while watching the performance of the operation of the singer P, so that it is possible to feel further interest in listening to the song.

[2. About the electrical configuration of karaoke equipment]
Next, the electrical configuration of the karaoke apparatus 1 according to this embodiment will be described. FIG. 2 is an explanatory diagram showing an electrical configuration of the karaoke apparatus 1 according to the present embodiment. In this FIG. 2, the part provided with the function which correct | amends a music according to the operating state of the singer P in the karaoke apparatus 1 is shown, and it abbreviate | omits about other parts.

  As shown in FIG. 2, the karaoke apparatus 1 according to the present embodiment outputs an image signal corresponding to the music selected by the user to the display unit 11 and an audio signal corresponding to the music selected by the user. The karaoke apparatus main body 10 that synthesizes (adds) the audio signal input from the microphone unit 13 and outputs it to the speaker 12, and the display unit 11 that displays an image based on the image signal input from the karaoke apparatus main body 10. And a speaker 12 that outputs the synthesized voice signal input from the karaoke apparatus main body 10 as voice, and detects the singing voice of the singer P and converts it into a voice signal, and detects the operating state of the singer P. A microphone unit 13 is provided for converting into an operation signal and outputting the audio signal and the operation signal to the karaoke apparatus body 10.

  The karaoke apparatus main body 10 includes a karaoke data storage unit 102, a karaoke data reproduction unit 101, a correction unit 103, an addition unit 104, and an amplifier 105.

  The karaoke data storage unit 102 is configured by an HDD (Hard Disk Drive), and the song data and image data of each song are stored in the HDD in association with each other.

  In the present embodiment, MIDI standard data (hereinafter referred to as “MIDI data”) is used as music data.

  The MIDI data for one song is composed of a plurality of tracks each storing note data (note data) for each part (musical instrument) and main melody (melody) part constituting the song.

  Each node data includes data indicating the start / end timing of each sound, data indicating the pitch (height) of each sound, data indicating the velocity (intensity, etc.) at the time of sound generation / mute. include. Each piece of music data and image data thus configured is stored in the HDD in an encoded state.

  The karaoke data playback unit 101 includes a decoder. When a song to be played back is selected by the user, the song data and image data corresponding to the song are read from the karaoke data storage unit 102 and decoded. Data is output to the correction unit 103 and image data is output to the display unit 11.

  Further, the karaoke data reproduction unit 101 outputs music data to be reproduced to a melody part data acquisition unit 110 and a pitch change unit 118 described later.

  The microphone unit 13 detects the acceleration of the microphone 131 that moves along with the operation of the microphone 131 that sings the microphone 131 that converts the singing voice input by the singer P into a digital audio signal that is an electrical signal. And an acceleration sensor 132 that generates an operation signal indicating the detection result.

The acceleration sensor 132 in the present embodiment is configured by a piezo element that converts an acceleration applied to an object into an electrical signal using the piezoelectric effect. Here, the acceleration when the microphone unit 13 is moved up and down, left and right, and back and forth is measured. A detectable three-dimensional acceleration sensor is used.

That is, in this embodiment, this acceleration sensor 132 functions as an operation state detection unit that detects the operation state of the singer P.

  Although not shown here, the microphone unit 13 includes a wireless transmission unit, and the wireless transmission unit is configured to transmit an audio signal and an operation signal to the karaoke apparatus body 10 by wireless communication. is doing.

  The adder 104 synthesizes the digital audio signal (singing voice signal) input from the microphone unit 13 and the digital audio signal (music signal) input from the correction unit 103 to generate an analog audio signal. The generated audio signal is output to the amplifier 105.

  The amplifier 105 amplifies the singing voice signal input from the adding unit 104 so as to have a volume set by the user, and outputs the amplified signal to the speaker 12.

  In addition, the correction unit 103 functions as a correction unit that performs correction to change the accompaniment pitch so as to match the singing voice pitch of the singer P in accordance with the operation signal input from the microphone unit 13 in the karaoke apparatus body 10. It is a device to do.

  The correction unit 103 includes a melody part data acquisition unit 110, an accompaniment pitch detection unit 111, a singing voice pitch detection unit 112, a difference detection unit 113, a music type acquisition unit 114, a motion determination unit 115, and a first table. A storage unit 116, a second table storage unit 117, a pitch change unit 118, a correction amount setting unit 119, and a wireless reception unit (not shown) are provided.

  In this embodiment, the melody part data acquisition part 110, the accompaniment pitch detection part 111, the singing voice pitch detection part 112, the difference detection part 113, the music type acquisition part 114, the motion determination part 115, the pitch change part 118, and the correction amount setting part 119 Each of the wireless receivers is constituted by an IC (Integrated Circuit) chip that executes predetermined information processing.

  The IC chip constituting the melody part data acquisition unit 110 selectively acquires note data indicating the main melody part from the song data input from the karaoke data reproduction unit 101 as predetermined information processing. Then, a process of outputting to the accompaniment pitch detecting unit 111 and the correction amount setting unit 119 is performed.

  The IC chip constituting the accompaniment pitch detection unit 111 detects the accompaniment pitch of the song being played from the melody part note data input from the melody part data acquisition unit 110 as a predetermined process, and detects the accompaniment pitch detected. Is output to the difference detection unit 113.

  That is, in this embodiment, this IC chip functions as accompaniment pitch detection means for detecting the pitch of the music reproduced by the karaoke data reproducing unit 101.

  The IC chip constituting the singing voice pitch detection unit 112 detects the singing voice pitch of the singer P from the audio signal output from the microphone 131 and input via the wireless transmission unit and the wireless reception unit as a predetermined process. Then, a process of outputting data indicating the detected singing voice pitch to the difference detecting unit 113 is performed.

  That is, in this embodiment, this IC chip functions as a singing pitch detecting means for detecting the pitch of the singing voice of the singer P based on the singing voice signal from the microphone 131.

  The IC chip constituting the difference detection unit 113 includes, as predetermined processing, data indicating the accompaniment pitch of the song input from the accompaniment pitch detection unit 111 and data indicating the singing voice pitch input from the singing voice pitch detection unit 112. Then, the difference between the accompaniment pitch and the singing voice pitch is calculated, and data indicating the difference is output to the correction amount setting unit 119.

  That is, in this embodiment, this IC chip functions as a difference detection means for detecting the difference between the pitch of the singer P's singing voice and the pitch of the song.

  As a predetermined process, the IC chip constituting the music type acquisition unit 114 detects note data indicating the tempo of the song from the song data input from the karaoke data playback unit 101 and detects the song being played back. The type (hereinafter referred to as “music type”) is detected and acquired, and data indicating the acquired music type is output to the operation determination unit 115.

  In other words, in this embodiment, the music type acquisition unit 114 functions as a music type detection unit that detects the type of music played back by the playback unit.

  The data indicating the music type here is generated based on the note data recorded on the base or drum track in the music data. Specifically, the tempo of the music being played back is It includes data converted to the number of times the metronome is hit while a song is played for one minute, and data indicating the number of beats in one measure of the song being played.

  The IC chip constituting the motion determination unit 115 performs, as predetermined processing, data indicating the music type input from the music type acquisition unit 114 and a music type-motion described later stored in the first table storage unit 116. With reference to the type correspondence table (see FIG. 3A), a predetermined operation type that the singer P will operate is determined in correspondence with the music type determined by the music type acquisition unit 114. Process.

  In other words, in this embodiment, the IC chip constituting the motion determination unit 115 stores the motion type of the singer P corresponding to the music type of the song detected by the music type detection unit in the first table storage unit 116. It functions as an action type determination means for determining based on the music type-action type correspondence table.

  Further, this IC chip is based on the operation signal input from the acceleration sensor 132, and the direction of movement of the microphone unit 13 and the swing width of the microphone unit 13 (from the start of movement of the microphone unit 13 until the next stop of movement). The movement distance of the singer P is determined based on the calculation result, and the operation state of the singer P actually operating is determined from the determined operation state of the singer P and the tempo of the song being played back. Processing for determining whether or not the determined operation type matches is performed.

  In this process, the IC chip determines that the operation mode of the singer P matches the song when the operation mode of the singer P matches the operation type, and requests correction of the accompaniment pitch. To the correction amount setting unit 119 to be performed.

  Thus, in the correction unit 103 of this embodiment, when the operation state of the singer P is the operation type determined by the operation type determination unit, the operation state of the singer P is determined to be a predetermined operation state. Since the accompaniment pitch is corrected, the singer P tries to perform an action that matches the tempo of the song, and as a result, sings while moving the body naturally. The interest for the person who is listening to the song of the singer P and the singer P can be improved.

  In addition, the IC chip determines from the data indicating the music type input from the music type acquisition unit 114 whether the song being played is in 2 beats, 3 beats, or 4 beats, and from the acceleration sensor 132. With reference to the input motion signal and the motion amount determination table stored in the first table storage unit 116 (see FIG. 3B), the number of times the singer P plays the song It is determined whether or not the microphone unit 13 has been moved, and data indicating the degree of singer P's hard work according to the determination result is output to the correction amount setting unit 119.

  As will be described in detail later, at this time, the IC chip outputs any one of the data c1, c2, and c3 to the correction amount setting unit 119 as data indicating the degree of effort of the singer P.

  Further, the IC chip performs processing for outputting data indicating the operation start timing of the microphone unit 13 to the correction amount setting unit 119 based on the operation signal input from the acceleration sensor 132.

  The IC chip constituting the correction amount setting unit 119 performs, as predetermined processing, note data indicating the melody portion of the song input from the melody portion data acquisition unit 110, data indicating the difference input from the difference detection unit 113, and operation Data requesting correction of the accompaniment pitch input from the determination unit 115, data indicating the degree of singer P's hard work, data indicating the operation start timing of the microphone unit 13, and the later-described data stored in the second table storage unit 117 The singer is sequentially referred to the timing coincidence determination table (see FIG. 3C), the correction level determination table (see FIG. 3D), and the correction amount determination table (see FIG. 3E). In accordance with the operating state of P, it is determined whether or not to change the accompaniment pitch, and when correcting the accompaniment pitch, the correction amount is set and the set value Outputs data indicating the pitch changing portion 118.

  The IC chip constituting the pitch change unit 118 corrects the song data input from the karaoke data reproduction unit 101 by changing the accompaniment pitch based on the setting value input from the correction amount setting unit 119. Thus, the process of reducing the difference between the singing voice pitch of the singer P and the accompaniment pitch is performed, and the process of outputting the song data in which the accompaniment pitch is changed to the adding unit 104 as a digital audio signal is performed.

  In addition, both the first table storage unit 116 and the second table storage unit 117 in the present embodiment are configured by a nonvolatile memory such as a flash memory.

  The first table storage unit 116 stores a music type / motion type correspondence table shown in FIG. 3A and a motion amount determination table shown in FIG. 3B, and the second table storage unit 117 stores Stores a timing matching degree determination table shown in FIG. 3C, a correction level determination table shown in FIG. 3D, and a correction amount determination table shown in FIG.

[3. (Various tables stored in the karaoke machine)
Here, the various tables memorize | stored in the karaoke apparatus main body 10 of the karaoke apparatus 1 which concerns on this embodiment are demonstrated concretely. FIG. 3 is an explanatory diagram showing various tables stored in the karaoke apparatus of the present embodiment.

  As shown in FIG. 3 (a), the music type / action type correspondence table shows the number of times the metronome strikes (hereinafter referred to as “song tempo”) while a song is played for one minute, and the song P Is a table in which predetermined action types that will be operated when singing are associated with each other.

  That is, in the present embodiment, the first table storage unit 116 that stores the music type / action type correspondence table functions as a storage unit that stores the action type of the singer P for each song type. .

  In the present embodiment, a predetermined operation type corresponding to a music type with a music tempo of 90 or less is set as an operation of turning the microphone unit 13, and a predetermined operation type corresponding to a music type with a music tempo of 91 to 100 is set as a singer. P is a motion that swings to the left and right, a predetermined motion type corresponding to a music type with a tempo of 101 to 120 is a motion of the singer P swinging the microphone unit 13 back and forth, and a music type with a music type of 141 or more The corresponding predetermined operation is an operation in which the singer P jumps and jumps.

  Then, the motion determination unit 115 determines the motion type corresponding to the tempo of the music being played with reference to the music type / motion type correspondence table.

  Then, the motion determination unit 115 compares the determined motion type with the actual operation mode of the singer P, determines whether these two motions match, and corrects them when they match. Data for requesting correction of the accompaniment pitch is output to the amount setting unit 119.

  As shown in FIG. 3 (b), the motion amount determination table corresponds to the number of beats of the song, the number of times the singer P moved the microphone unit 13 while the song was being played, and each of these. It is the table which matched the singer P's hard work degree.

  In the present embodiment, the number of times that the singer P moves the microphone unit 13 once in a 2-beat song, or the song that the singer P moves the microphone unit 13 once in a 3-beat song, or a 4-beat song The degree of effort when the singer P turns the microphone unit 13 twice is defined as c1 (small).

  Also, in a 2-beat song, the number of times that the singer P moved the microphone unit 13 was 2 times or in a 3-beat song, the singer P moved the microphone unit 13 three times, or a singer in a 4-beat song. The degree of effort when P rotates the microphone unit 13 four times is c2 (medium).

  Also, in a 2-beat song, the number of times that the singer P moved the microphone unit 13 is 4 times, or in a 3-beat song, the singer P moves the microphone unit 13 6 times, or a singer in a 4-beat song. The degree of effort when P rotates the microphone unit 13 eight times is c3 (large).

  Then, the motion determination unit 115 refers to this motion amount determination table to determine the degree of singer P's hard work during the reproduction of the song, and sends the data indicating the hard work degree as a result of the determination to the correction amount setting unit 119. Output.

  As shown in FIG. 3 (c), the timing coincidence degree determination table shows a point in time when a predetermined time has elapsed since the start of the reproduction of music (for example, the correct start timing of singing) and the operation start timing of the singer P ( It is a table in which a deviation (including a movement start timing of the microphone unit 13) (hereinafter referred to as “time deviation”) is associated with a time deviation level indicating the degree of the time deviation.

  In this embodiment, the time lag level is 0 to 1/4 beat or less, and the time lag level A (small), and the time lag is longer than 1/4 beat to 1/2 beat or less, the time lag level B (medium). The time lag level is C (large) when the time lag is 1/2 beat or more and 1 beat or less.

  Then, the correction amount setting unit 119 refers to the timing coincidence determination table and the data indicating the operation start timing input from the operation determination unit 115, and the operation state and reproduction of the singer P having the microphone unit 13 are reproduced. The degree of coincidence with the music in the middle is determined, and the time lag level is determined.

  As shown in FIG. 3 (d), the correction level determination table associates the time shift level, the data indicating the singer's P hardness, and the accompaniment pitch correction level determined from these two types of information. It is a table.

  In this embodiment, when the time lag level is C (large) and the data indicating the singer P's hard work is c1 (small) or c2 (medium), the correction level is Lv1 (small), and the song If the data indicating the degree of effort of the person P is c3 (large), the correction level is Lv2 (medium).

  If the time shift level is B (medium) and the data indicating the degree of singer P's hard work is c1 (small) or c2 (middle), the correction level is Lv2 (middle), and If the data indicating the degree of effort is c3 (large), the correction level is Lv3 (large).

  Further, if the time shift level is A (small) and the data indicating the singer P's hard work level is c1 (small), the correction level is Lv2 (middle) and the data indicating the singer P hard work degree. If c2 (medium) or c3 (large), the correction level is Lv3 (large).

  Then, the correction amount setting unit 119 refers to the correction level determination table, the data indicating the degree of singer P's hard work, and the time lag level to determine the correction level of the accompaniment pitch to be performed for the song being played. decide.

  As described above, in the correction unit 103 of the present embodiment, the degree of coincidence (less time shift) between the operation state of the singer P detected by the operation state detection unit and the song, and the singer detected by the operation state detection unit. Since the amount of correction of the accompaniment pitch is changed in accordance with the amount of movement of P (the degree of singer P's stubbornness), singer P works harder with the rhythm of the song as much as possible. Therefore, the interest for the person who is listening to the song of the singer P and the singer P can be further improved.

  In the present embodiment, the case where it is determined that the tempo of the song and the operation of the singer P are the same when the table time signature of the tune and the operation start timing of the singer P are the same is taken as an example. Since the timing coincidence degree determination table is set as shown in FIG. 3 (c), when the back beat of the song matches the operation start timing of the singer P, You may comprise so that it may judge that the tempo of a music and operation | movement of the singer P correspond.

  In the case of such a configuration, a timing coincidence determination table in which 1/2 beat is added to each beat number in the time lag column in the timing coincidence determination table shown in FIG.

  As shown in FIG. 3E, the correction amount determination table is a table in which a correction level is associated with a correction value indicating an actual correction amount.

  In the present embodiment, when the average value of the difference between the accompaniment pitch and the singing voice pitch detected by the difference detection unit 113 is pd, the correction value at the correction level Lv1 (small) is pd × 1/4 (small). The correction value at the correction level Lv2 (medium) is pd × 1/2 (medium), and the correction value at the correction level Lv3 (large) is pd (large).

  The correction amount setting unit 119 determines the correction amount of the accompaniment pitch of the music being reproduced with reference to the correction amount determination table, and outputs data indicating the set value to the pitch change unit 118.

  Then, the pitch changing unit 118 performs correction for changing the accompaniment pitch so as to reduce the difference between the singing voice pitch and the accompaniment pitch based on the set value input from the correction amount setting unit 119.

[4. About operation of karaoke equipment)
Here, operation | movement of the karaoke apparatus 1 which concerns on this embodiment comprised as mentioned above is demonstrated. Here, the karaoke apparatus body 10 will be described mainly with respect to the operation when correcting the pitch of the song, and the detailed description of other operations will be omitted.

  FIG.4 and FIG.5 is a flowchart which shows the process performed with the karaoke apparatus 1 of this embodiment.

[4.1. (Main processing)
In the karaoke device 1 of the present embodiment, the karaoke device main body 10 executes the main process shown in FIG. 4 until the karaoke device main body 10, the display unit 11, and the microphone unit 13 are turned on and then turned off. To do. Hereinafter, the main process will be specifically described.

  As shown in FIG. 4, in this main process, the karaoke apparatus main body 10 first determines whether or not the tune P has been determined by the singer P (step S10).

  Here, in the karaoke apparatus main body 10, when the karaoke data reproducing unit 101 receives a signal indicating that the reproduced song has been determined from the remote controller via a wireless receiving unit (not shown), the reproduced song is determined. (Step S10: Yes), the process proceeds to Step S11, and if a signal indicating that the reproduced music has been determined is not received, it is determined that the reproduced music has not been determined (Step S11). S10: No), the process of step S10 is performed again.

  Next, in step S11, in the karaoke apparatus main body 10, the melody part data acquisition part 110 performs the process which acquires music data, Then, in step S12, the note data of a melody part are acquired from the acquired music data, Processing to output to the accompaniment pitch detection unit 111 is performed.

  In step S12, the music type acquisition unit 114 acquires the tempo of the song and outputs it to the motion determination unit 115. Thereafter, the process proceeds to step S13.

  Furthermore, in this step 12, in the karaoke apparatus body 10, the motion determination unit 115 refers to the music type-motion type correspondence table (see FIG. 3A), and the music type acquisition unit 114 acquires the song The operation type corresponding to the tempo is determined.

  Next, in step S13, in the karaoke apparatus body 10, the accompaniment pitch detection unit 111 performs a process of measuring the length (time) of one measure from the song data, and then the process proceeds to step S14.

  Next, in step S14, in the karaoke apparatus body 10, the accompaniment pitch detection unit 111 performs a process of acquiring the accompaniment pitch between the four melodies from the melody start bar and outputting the accompaniment pitch to the difference detection unit 113. Move to S15.

  Next, in step S15, in the karaoke apparatus body 10, the karaoke data reproduction unit 101 performs a process of starting the reproduction of the song.

  Thereafter, in the karaoke apparatus body 10, the processes in steps S16 to S17 and the process in step S18 are executed in parallel.

  In step S16, in the karaoke apparatus main body 10, the singing voice pitch detection unit 112 performs processing of acquiring the singing voice pitch between the four melody start bars and outputting it to the difference detection unit 113, and then moves the processing to step S17. .

  Next, in step S <b> 17, in the karaoke apparatus body 10, the difference detection unit 113 calculates the average value pd of the difference between the accompaniment pitch and the singing voice pitch, and outputs data indicating the calculation result to the correction amount setting unit 119. Then, the process proceeds to step S19.

  Further, in step S18, in the karaoke apparatus body 10, the motion determination unit 115 operates based on the motion signal input from the acceleration sensor 132, and the amount of motion of the microphone unit 13 (singer P) between the melody start measure and the four measures. Is acquired, and then the process proceeds to step S19.

  In step S18, the motion determination unit 115 refers to the motion amount determination table (see FIG. 3B) to determine the degree of singer P's hard work, and the determination result of singer P is the determination result. A process of outputting data indicating the degree of effort to the correction amount setting unit 119 is performed.

  Next, in step S <b> 19, in the karaoke apparatus body 10, the motion determination unit 115 determines whether or not a certain amount of motion has been detected by the acceleration sensor 132 within the bar where the motion amount has been acquired.

  Here, when the movement amount (movement amount of the microphone unit 13) detected by the acceleration sensor 132 is 5 cm or more, the movement determination unit 115 determines that a certain movement amount is detected (step S19: Yes), the process moves to step S21, and if it is less than 5 cm, it is determined that a certain amount of motion has not been detected (step S19: No), and the process moves to step S20.

  Next, in step S21, in the karaoke apparatus main body 10, the correction unit 103 performs a later-described correction process (see FIG. 5) in which the accompaniment pitch is corrected, and then the process proceeds to step S22.

  Moreover, in step S20, in the karaoke apparatus main body 10, the operation | movement determination part 115 acquires again the operation amount of the microphone unit 13 (singer P) from the 4 measures following the measure which acquired the operation amount in step S18. Then, the process proceeds to step S22.

  Next, in step S22, in the karaoke apparatus body 10, the karaoke data reproduction unit 101 determines whether or not the reproduction of the song has been stopped, and if it is determined that the reproduction has stopped (step S22: Yes), the process is performed as a step. If the process moves to S10 and it is determined that the process has not been stopped (step S22: No), the process moves to step S19.

[4.2. Correction process)
Next, the correction process executed in step S21 of the main process will be described with reference to FIG.

  As shown in FIG. 5, in this correction process, in the karaoke apparatus body 10, first, the operation determination unit 115 determines the operation mode of the microphone unit 13 (singer P) by executing the processes of steps S <b> 31 to S <b> 37. Perform the process.

  That is, in step S <b> 31, the motion determination unit 115 determines whether or not the microphone unit 13 has moved left and right based on the motion signal input from the acceleration sensor 132.

  Here, when the operation determination unit 115 determines that the microphone unit 13 has moved left and right (step S31: Yes), the process proceeds to step S34, and when the operation determination unit 115 determines that the microphone unit 13 has not moved left and right ( Step S31: No), the process proceeds to step S32.

  In step S <b> 32, the motion determination unit 115 determines whether the swing width of the microphone unit 13 is 20 cm or less based on the motion signal input from the acceleration sensor 132.

  Here, when the motion determination unit 115 determines that the swing width of the microphone unit 13 is 20 cm or less (step S32: Yes), the process moves to step S33, and the singer P moves the microphone unit 13 back and forth. It is determined that it is shaking, and then the process proceeds to step S38.

  On the other hand, when the operation determination unit 115 determines that the swing width of the microphone unit 13 is greater than 20 cm (step S32: No), the operation determination unit 115 moves the process to step S36, determines that the singer P is jumping, and then Then, the process proceeds to step S38.

  In step S34, the operation determination unit 115 determines whether or not the swing width of the microphone unit 13 is 20 cm or less.

  Here, when the motion determination unit 115 determines that the swing width of the microphone unit 13 is 20 cm or less (step S34: Yes), the process proceeds to step S35, and the singer P turns the microphone unit 13 to turn on the microphone unit 13. After that, the process proceeds to step S38.

  On the other hand, when the motion determination unit 115 determines that the swing width of the microphone unit 13 is greater than 20 cm (step S34: No), the process proceeds to step S37, and it is determined that the singer P is shaking from side to side. Thereafter, the process proceeds to step S38.

  In step S38, in the karaoke apparatus main body 10, the motion determination unit 115 performs a process of referring to the music type / motion type correspondence table (see FIG. 3A), and then the process proceeds to step S39.

  Next, in step S39, in the karaoke apparatus body 10, the operation determination unit 115 determines whether or not the operation of the singer P matches the song.

  Here, when the operation mode of the singer P determined in steps S31 to S37 and the operation type determined in step S12 (see FIG. 3A) are the same, the operation determination unit 115 is the same. It is determined that the operation of the singer P matches the song (step S39: Yes), and a process of outputting data requesting correction of the accompaniment pitch to the correction amount setting unit 119 is performed. Thereafter, the process is performed in step S40. Move to.

  On the other hand, when the operation mode of the singer P determined in steps S31 to S37 and the operation type determined in step S12 are not the same, the operation determination unit 115 matches the operation of the singer P and the song. If it is not determined (step S39: No), the process proceeds to step S47.

  In step S <b> 40, in the karaoke apparatus main body 10, the correction amount setting unit 119 performs processing for acquiring the operation start time of the singer P based on the data indicating the operation start timing of the microphone unit 13 input from the operation determination unit 115. After that, the process proceeds to step S41.

  Next, in step S41, in the karaoke apparatus body 10, the correction amount setting unit 119 determines whether or not the difference between the first measure start time and the operation start time of the singer P acquired in step S41 is within one beat. If it is determined that it is longer than one beat (step S41: No), the process proceeds to step S47.

  On the other hand, in this step S41, when the correction amount setting unit 119 determines that the difference between the first bar time and the operation start time of the singer P is within one beat (step S41: Yes). Referring to the timing coincidence degree determination table (see FIG. 3C), the time lag level is determined, and then the process proceeds to step S42.

  In step S47, in the karaoke apparatus main body 10, the operation | movement determination part 115 performs the process which acquires the operation amount of the microphone unit 13 (singer P) again from the next 4 measures, and complete | finishes this correction process after that.

  In step S42, in the karaoke apparatus body 10, the correction amount setting unit 119 refers to the correction level determination table (see FIG. 3D) to perform a process of acquiring a correction level, and then the process proceeds to step S43. Transfer.

  Here, the correction amount setting unit 119 receives the data indicating the singer P's hard work input from the operation determination unit 115, the time shift level determined in step S41, and the correction level determination table (see FIG. 3D). )) To determine and obtain the correction level.

  Then, the correction amount setting unit 119 determines and sets a correction value corresponding to the acquired correction level with reference to the correction amount determination table (see FIG. 3E).

  Next, in step S43, in the karaoke apparatus body 10, the pitch changing unit 118 performs a process of changing and correcting the pitch of the music by the correction value set in step S42, and then the process proceeds to step S44. .

  Next, in step S44, in the karaoke apparatus body 10, the pitch changing unit 118 determines whether or not the correction level set in step S42 is Lv1, and if it is determined that it is Lv1 (step S44: Yes), the process proceeds to step S48.

  On the other hand, when the pitch change unit 118 determines that the correction level is not Lv1 (step S44: No), the process proceeds to step S45.

  In step S <b> 48, in the karaoke apparatus body 10, the motion determination unit 115 performs a process of acquiring the motion amount of the microphone unit 13 (singer P) again from the next four measures, and then ends the correction process.

  In step S45, the pitch changing unit 118 determines whether or not the correction level set in step S42 is Lv2. If the correction level is determined to be Lv2 (step S45: Yes), the process is performed. The process moves to S49, and if it is determined that the correction level is not Lv2 (step S45: No), the process moves to step S46.

  In step S49, in the karaoke apparatus main body 10, the operation | movement determination part 115 performs the process which acquires the operation amount of the microphone unit 13 (singer P) from the next 8 bars again, and complete | finishes this correction | amendment process after that.

  In step S46, in the karaoke apparatus main body 10, the pitch changing unit 118 ends the process of changing and correcting the pitch of the song, and then ends the correction process.

  Thus, in the karaoke apparatus 1 of this embodiment, when the karaoke data reproduction | regeneration part 101 is reproducing | regenerating a music, based on the operation signal which the correction | amendment unit 103 inputs from the microphone unit 13, operation | movement of the singer P When the state is detected, and based on the detection result and the song data input from the karaoke data playback unit 101, the singer P is operating in a predetermined operation mode that matches the tempo of the song being played back. When judged, the difference between the singing voice pitch and the accompaniment pitch is reduced with a correction amount corresponding to the degree of coincidence between the timing of the motion and the song and the singer P's hard work according to the motion amount. It is configured to correct the accompaniment pitch.

  By adopting such a configuration, the singer P actively moves his body in accordance with the tempo of the song so as to match his / her singing voice pitch and the accompaniment pitch of the song. Enthusiasm for singing is improved by singing together.

  Moreover, since the singer P can sing while moving his / her body, the attention of the person who is listening to the song can be attracted, so that the interest in singing is improved.

  In addition, the person who listens to the song of the singer P can not only listen to a good song with the accompaniment pitch and the singing voice pitch, but can also see the performance by the action of the singer P. The interest in using the device 1 is improved.

  Further, as described above, in this embodiment, each IC chip constituting the correction unit 103 provided in the karaoke apparatus main body 10 performs predetermined information processing, thereby correcting the accompaniment pitch. Although the apparatus 1 is configured, the configuration of the correction unit 103 is not limited to this. For example, a nonvolatile memory storing a program for executing the information processing shown in the flowcharts of FIGS. A computer having a CPU (Central Processing Unit) that reads a program from a nonvolatile memory and executes predetermined arithmetic processing, and a RAM (Random Access Memory) that serves as a work area when the CPU executes arithmetic processing, The correction unit 103 may be configured.

  With such a configuration, the circuit scale of the correction unit 103 can be made compact, and the correction content of the music, the conditions for performing the correction, and the like can be easily changed simply by rewriting the program stored in the nonvolatile memory. And the interest of the karaoke apparatus 1 can be further improved.

  In the present embodiment, the singer P is operating in a predetermined operation mode that matches the tempo of the song being played, the degree of coincidence between the timing of the operation and the song, and the amount of movement. Combining the three conditions of the singer P's hard work, whether or not to correct the accompaniment pitch and the correction amount of the accompaniment pitch in the case of correction are determined. Of these three conditions, at least Based on one condition, whether or not to correct the accompaniment pitch and the amount of correction of the accompaniment pitch in the case of correction may be determined.

  In this embodiment, the amount of correction of the accompaniment pitch is increased as the amount of movement of the singer P increases. However, the amount of accompaniment pitch increases as the amount of movement of the singer P decreases according to the genre of the song to be played. The correction amount may be increased.

  In the case of such a configuration, the data arrangement (c1, c2, c3) indicating the degree of effort in the operation amount determination table shown in FIG. 3B is arranged to be c3, c2, c1.

  By doing so, for example, when the music to be reproduced is a ballad-like music, it is possible to prevent the singer P from operating violently and arousing a person who is listening to the song.

  In the present embodiment, one karaoke device 1 is provided with one microphone unit 13, but one karaoke device 1 may be provided with a plurality of microphone units 13. .

  When a plurality of microphone units 13 are provided, the motion determination unit 115 determines the degree of coincidence between the plurality of microphone units 13 and determines the correction amount of the accompaniment pitch according to the degree of coincidence. .

  By adopting such a configuration, for example, when playing a song that a plurality of singers P sing at the same time, such as duet songs, each singer P will actively try to match each other's actions. Also by this, the interest property to using the said karaoke apparatus 1 improves.

  Further, in the present embodiment, when the correction unit 103 detects the amount of movement of the singer P during a predetermined period (in this case, between four bars) during reproduction of the song, and when the detected amount of movement exceeds a predetermined value, Although the correction unit 103 is configured to correct the accompaniment pitch, a period for detecting the movement amount of the singer P and a period for correcting the accompaniment pitch are set in advance, and the singing is performed only during the set period. The movement amount of the person P may be detected and the accompaniment pitch may be corrected.

  And when setting the period which detects the movement amount of the singer P, and the period which corrects the accompaniment pitch in advance, for example, the operation of the singer P only between the four bars corresponding to the chorus part of the song The state is detected, or the accompaniment pitch is corrected only between the four bars corresponding to the chorus portion of the song.

  In the case where the operation state of the singer P is detected only between the four bars corresponding to the rust portion of the song, the singer P is in the rust portion of the song that is most noticed by the person who is listening to the song. Singing while actively moving.

  In addition, when the accompaniment pitch is corrected only between the four bars corresponding to the chorus part of the song, the person who listens to the song at least plays the accompaniment pitch and singing voice for the chorus part of the song that he / she wants to hear most You can listen to good songs that match the pitch.

It is explanatory drawing which shows the external appearance of the karaoke apparatus of this embodiment. It is explanatory drawing which shows the electrical structure of the karaoke apparatus of this embodiment. It is explanatory drawing which shows the various tables memorize | stored in the karaoke apparatus of this embodiment. It is a flowchart which shows the process performed with the karaoke apparatus of this embodiment. It is a flowchart which shows the process performed with the karaoke apparatus of this embodiment.

Explanation of symbols

P Singer H Karaoke box 1 Karaoke device 10 Karaoke device body 11 Display unit 12 Speaker 13 Microphone unit 101 Karaoke data reproduction unit 102 Karaoke data storage unit 103 Correction unit 104 Addition unit 105 Amplifier 110 Melody unit data acquisition unit 111 Accompaniment pitch detection unit 112 singing voice pitch detection unit 113 difference detection unit 114 music type acquisition unit 115 operation determination unit 116 first table storage unit 117 second table storage unit 118 pitch change unit 119 correction amount setting unit

Claims (9)

A playback unit for playing karaoke accompaniment music;
When the karaoke accompaniment music is being played, an operation state detection unit that detects the operation state of the singer,
A karaoke apparatus comprising: a correction unit that corrects the karaoke accompaniment music when the operation state of the singer detected by the operation state detection unit is a predetermined operation state. The correction unit is
Storage means for storing the singer's action type for each type of karaoke accompaniment music;
Music type detection means for detecting the type of the karaoke accompaniment music played by the playback unit;
Action type determination means for determining the action type according to the type of karaoke accompaniment music detected by the music type detection means based on the storage means;
2. The karaoke accompaniment music is corrected when it is determined that the singer's motion state is the motion type determined by the motion type determination means and is the predetermined motion state. The karaoke device described. The correction unit is
3. The karaoke apparatus according to claim 2, wherein a correction amount of the karaoke accompaniment music is changed according to a degree of coincidence between the singer's operation state detected by the operation state detection unit and the karaoke accompaniment music. . The said correction | amendment part changes the correction amount of the said karaoke accompaniment music according to the movement amount of the said singer detected by the said operation | movement state detection part, The any one of Claims 1-3 characterized by the above-mentioned. Karaoke equipment. The karaoke apparatus according to any one of claims 1 to 4, wherein the correction unit corrects a pitch of the karaoke accompaniment music as correction of the karaoke accompaniment music. The correction unit is
Singing voice pitch detecting means for detecting the pitch of the singing voice of the singer based on a singing voice signal from a microphone;
Accompaniment pitch detection means for detecting the pitch of the karaoke accompaniment music played by the playback unit;
A difference detecting means for detecting a difference between the pitch of the singing voice of the singer and the pitch of the karaoke accompaniment music,
The karaoke apparatus according to claim 5, wherein the karaoke accompaniment music is corrected by correcting a pitch of the karaoke accompaniment music to reduce a difference between the pitch of the singing voice and the pitch of the karaoke accompaniment music. The karaoke apparatus according to any one of claims 1 to 6, further comprising a microphone unit that includes a microphone through which the singer inputs a singing voice and the operation state detection unit.   The program which functions a computer as the said correction | amendment part of the karaoke apparatus of any one of Claims 1-6. A method for processing karaoke accompaniment music,
Playing karaoke accompaniment music;
Detecting the operating state of the singer when the karaoke accompaniment music is being played; and
And a step of correcting the karaoke accompaniment music when the detected operation state of the singer is a predetermined operation state.

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