JP2019132979A - Karaoke device - Google Patents

Abstract

To provide a karaoke device which enables a desired operation according to the timing of voice input when performing an operation related to karaoke performance based on voice input from a microphone.SOLUTION: The karaoke device includes a data storage unit which stores operation commands in association with each performance section for each of a plurality of keywords, a voice processing unit which specifies a voice-input character and its input timing in time series, a first determination unit which determines whether or not a predetermined character string consisting of the same character as a keyword is input by voice, a performance section identification unit which identifies a corresponding performance section to an input timing of characters constituting the predetermined character string from a performance section of a certain music piece when the predetermined character string is input by voice, and a command control unit which executes an operation according to an operation command in the same performance section as the identified performance section among the operation commands associated with the keyword corresponding to the predetermined character string.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a karaoke apparatus.

  The karaoke apparatus can perform various operations related to karaoke performance, such as canceling karaoke performance, changing performance volume and performance pitch, or adjusting microphone volume, via the apparatus main body and an attached remote controller.

  However, in order for the singer himself to perform these operations, it is necessary to move to the place where the apparatus main body is installed or where the remote control device is placed, which is complicated. Further, in a karaoke performance singing section (a section in which lyrics are set), it is difficult to operate the apparatus main body and the remote control device while performing karaoke singing. In addition, the situation where the singer cannot use the main unit or the remote control device, such as when the main unit is in the counter as in a night store, or when another singer selects music with the remote control device (can perform various operations) (There is no situation).

  Therefore, a technique is disclosed in which a desired operation can be executed by inputting a predetermined voice (keyword) from a microphone used by a singer.

  For example, in Patent Document 1, when it is recognized that a specific word has been input by performing recognition processing of a voice input from a microphone, a code stored in association with the word is converted into an appropriate radio signal. A wireless microphone that modulates and transmits is disclosed. According to such a technique, a person using the microphone can remotely control various devices without interrupting the utterance operation or the body operation.

  Moreover, in patent document 2, when the input audio | voice information input from the microphone in the non-singing area (area in which lyrics are not set) of a karaoke performance is a singer's thing, it is set as the audio | voice recognition result with respect to the said input audio | voice information. A karaoke apparatus capable of executing a voice command process for executing a voice command based thereon is disclosed. According to such a technique, it is possible to prevent a chat other than a singer from being erroneously recognized as a voice command.

JP 2002-062894 A JP 2014-130187 A

  By the way, the timing at which a singer performs voice input in order to perform a desired operation varies. Depending on the timing of voice input, different operations may be intended even for the same keyword.

  For example, in a karaoke performance of a song, immediately after the No. 1 A melody performance is finished, the singer is “I want to sing again after playing the next song because I failed to sing” ”Is entered. In this case, the karaoke apparatus can execute a “post-rotation” command associated with the keyword. Note that the operation command for “delay” is a command for canceling the karaoke performance only when the next song is reserved and registered at the time of the instruction, and for registering the song for which the karaoke performance was stopped after the next song. .

  On the other hand, when all the singing sections are finished and the karaoke performance of the follower section is being performed, the singer performs “next cut with the intention of starting the performance of the next song by cutting the follower” There is a case where the keyword “go to” is input. In this case, the keyword “go next” is associated with the command “follow-up”, so that the karaoke performance in the follow-up section can be ended, but the sung music is reserved again. It becomes. That is, in the conventional operation by voice input, it may be difficult to perform the operation intended by the singer.

  An object of the present invention is to provide a karaoke apparatus that enables a desired operation in accordance with the timing of voice input when performing an operation related to karaoke performance based on voice input from a microphone.

A main invention for achieving the above object is to provide a data storage unit that stores operation commands for performing various operations related to karaoke performance for each of a plurality of keywords in association with each performance section, and karaoke performance of a song The voice input from the microphone is sequentially analyzed along with the voice processing unit that specifies the voice input character and its input timing in time series, and the specified character and the keyword are compared, A first determination unit that determines whether or not a predetermined character string including the same character as the keyword is input by voice; and when the predetermined character string is input by voice, the predetermined character string is selected from the performance section of the certain musical piece. A performance section specifying unit for specifying a performance section corresponding to the input timing of characters constituting the character string, and a keyword corresponding to the predetermined character string. Of with its dependent operation command, a karaoke apparatus having a command control unit for executing an operation in accordance with the operation command in the same playing section and identified the playing interval.
Other characteristics of the present invention will be made clear by the description and drawings described later.

  ADVANTAGE OF THE INVENTION According to this invention, when performing operation regarding karaoke performance based on the audio | voice input from a microphone, desired operation can be performed according to the timing of audio | voice input.

It is a figure which shows the hardware structural example of the karaoke apparatus which concerns on 1st Embodiment. It is a figure which shows the software structural example of the karaoke main body which concerns on 1st Embodiment. It is a figure which shows the example of data memorize | stored in the data storage part which concerns on 1st Embodiment. It is the figure which showed the example of the character specified by the audio | voice processing part which concerns on 1st Embodiment, and input timing. It is the figure which showed the example of the information regarding the performance area based on music data. It is a flowchart which shows the process of the karaoke apparatus which concerns on 1st Embodiment. It is a figure which shows the software structural example of the karaoke main body which concerns on 2nd Embodiment. It is a flowchart which shows the process of the karaoke apparatus which concerns on 2nd Embodiment. It is a figure which shows the software structural example of the karaoke main body which concerns on 3rd Embodiment. It is a flowchart which shows the process of the karaoke apparatus which concerns on 3rd Embodiment.

<First Embodiment>
With reference to FIGS. 1-6, the karaoke apparatus 1 which concerns on this embodiment is demonstrated.

== Karaoke equipment ==
The karaoke apparatus 1 is an apparatus for performing a karaoke performance of a song selected by a singer and a singer performing a karaoke song. As shown in FIG. 1, the karaoke apparatus 1 includes a karaoke main body 10, a speaker 20, a display device 30, a microphone 40, and a remote control device 50.

  The speaker 20 is configured to emit sound based on the sound emission signal from the karaoke main body 10. The display device 30 is configured to display a video or an image on the screen based on a signal from the karaoke main body 10. The microphone 40 has a configuration for converting a singer's singing voice (input voice to the microphone 40) into an analog singing voice signal and inputting it into the karaoke main body 10.

(Karaoke hardware)
As shown in FIG. 1, the karaoke main body 10 includes a control unit 11, a communication unit 12, a storage unit 13, an acoustic processing unit 14, a display processing unit 15, and an operation unit 16. Each component is connected to the bus B via an interface (not shown).

  The karaoke main body 10 performs various controls related to karaoke singing, such as karaoke performance control of the selected music, display control of lyrics and background images, and processing of a singing voice signal input through the microphone 40.

  The control unit 11 includes a CPU 11a and a memory 11b. The CPU 11a implements various control functions by executing the operation program stored in the memory 11b. The memory 11b is a storage device that stores a program to be executed by the CPU 11a and temporarily stores various types of information when the program is executed.

  The communication unit 12 provides an interface for connecting the karaoke main unit 10 to a communication line via a router (not shown).

  The storage unit 13 is a large-capacity storage device that stores various data, and is, for example, a hard disk drive. The storage unit 13 stores a plurality of pieces of music data for performing karaoke performance by the karaoke apparatus 1.

  The music data is given identification information (music ID) for specifying individual karaoke music. The music data includes accompaniment data, reference data, background image data, lyrics data, and attribute information. Accompaniment data is MIDI format data that is the source of karaoke performance sounds. Reference data is data used as a reference when scoring a karaoke song by a singer. The background image data is data corresponding to the background image displayed on the display device 30 or the like in accordance with the karaoke performance. The lyric data is data relating to the lyric (lyric telop) displayed on the display device 30 or the like. Each lyric (character) included in the lyric data is associated with a timing to sing. The timing to sing is, for example, the elapsed time (● minutes · seconds ●) from the start of performance to the time when the character should be uttered. The attribute information is information related to the music such as a song name, a singer name, a lyrics / composer name, and a genre.

  The music data includes information related to the performance section. The performance section is a section in which karaoke performance is performed. For example, the prelude, A melody (No. 1 A melody, No. 2 A melody ...), B melody (No. 1 B melody of the song) 2nd B melody ...), chorus (1st chorus of music, 2nd chorus ...), interlude (1st and 2nd interlude, 2nd and 3rd interlude) ……), can be divided into followers. Among these, A melody, B melody, and rust correspond to a “singing section”. The singing section is a section in which lyrics to be sung in a certain musical piece are set. The lyrics composed of at least one character are set in one singing section. On the other hand, the prelude, the interlude, and the postlude correspond to “non-singing sections”. The non-singing section is a section in which lyrics to be sung in a certain musical piece are not set. Each performance section is associated with a performance start time and a performance end time. The performance start time and performance end time can be shown as the elapsed time from the start of performance of the prelude. That is, the performance start time of the prelude is “00:00:00”.

  Based on the control of the control unit 11, the sound processing unit 14 controls performance of the music and processes the singing voice signal input through the microphone 40. The acoustic processing unit 14 includes, for example, a MIDI sound source, an A / D converter, a mixer including a DSP (Digital Signal Processor), a D / A converter, and an amplifier (all not shown). The control unit 11 sequentially reads the accompaniment data of the reserved music based on the tempo clock signal and inputs it to the MIDI sound source. The MIDI sound source generates a musical sound signal based on the accompaniment data. The A / D converter converts the singing voice signal input from the microphone 40 into digital voice data and inputs the digital voice data to the mixer (DSP). The mixer mixes the musical sound signal and the digital audio data at an appropriate ratio. The D / A converter converts the mixing signal into an analog audio signal, and the amplifier amplifies the analog audio signal from the D / A converter and outputs it to the speaker 20 as a sound output signal. Thereby, the karaoke performance sound based on the sound emission signal and the singing voice from the microphone 40 are emitted from the speaker 20.

  The display processing unit 15 performs processing related to various displays on the display device 30 based on the control of the control unit 11. For example, the display processing unit 15 controls the display device 30 to display a video in which lyrics and various icons are superimposed on a background image during karaoke performance.

  The operation unit 16 includes a panel switch and a remote control receiving circuit. The operation unit 16 sends operation signals such as a music selection signal and a performance stop signal to the control unit 11 according to the operation of the panel switch of the karaoke device 1 or the remote control device 50 by the singer. Output. The control unit 11 detects an operation signal from the operation unit 16 and executes a corresponding process.

  The remote control device 50 is a device for performing various operations on the karaoke main body 10. The singer can use the remote controller 50 to select (reserve) a karaoke piece that he wants to sing.

(Karaoke software)
FIG. 2 is a diagram illustrating a software configuration example of the karaoke main body 10. The karaoke main body 10 includes a data storage unit 100, a voice processing unit 200, a first determination unit 300, a performance section specifying unit 400, and a command control unit 500. The data storage unit 100 is provided as a part of the storage area of the storage unit 13. The voice processing unit 200, the first determination unit 300, the performance section specifying unit 400, and the command control unit 500 are realized by the CPU 11a executing a program stored in the memory 11b.

[Data storage section]
The data storage unit 100 stores operation commands for performing various operations related to the karaoke performance for each of the plurality of keywords in association with each performance section.

  The keyword is a character (character string) for inputting each operation command to the karaoke apparatus 1. In the present embodiment, by inputting a predetermined keyword by voice through the microphone 40, an operation according to an operation command corresponding to the predetermined keyword is executed (details will be described later). The operation command is an instruction for causing the karaoke apparatus 1 to perform an operation performed on the karaoke performance or an operation accompanying the karaoke performance. The operation commands include performance stop, key change, accompaniment volume change, microphone volume change, and echo adjustment.

  Here, in the present embodiment, each keyword is associated with an operation command for each performance section. FIG. 3 is an example of a table in which operation commands for each performance section are associated with keywords. In this example, for the keyword “start”, for example, the “redo” operation command corresponds to the prelude, the first A melody, the first B melody, the second A melody, and the second B melody. It is attached. On the other hand, for the same “start” keyword, for the first and second interludes, the second and third interludes, the third B melody, the third chorus, and the follower, the “stop performance” operation Commands are associated. The “redo” operation command is a command for instructing to stop the karaoke performance at the time of the instruction and to start the karaoke performance of the same music from the beginning (from the prelude). The “stop performance” operation command is a command for giving an instruction to stop the karaoke performance when the instruction is given. The “pause” operation command is a command for instructing to stop the karaoke performance when instructed and to wait until the next instruction is given. Note that there may be performance sections that are not associated with operation commands in each keyword, such as No. 1 chorus in the “Start” keyword, No. 2 chorus, and sequel in the “Key Up” keyword. .

[Audio processor]
The voice processing unit 200 sequentially analyzes voices input from the microphone 40 along with the karaoke performance of a certain music, and specifies the voice input characters and their input timings in time series.

  The input timing is indicated as the time when the sound corresponding to a certain character is input (the time when the singer starts speaking the sound) when the starting point of performance of a certain piece of music is “00:00:00”. Can do. The input timing can be obtained, for example, as a timing obtained by subtracting the processing time (the time taken from when a voice is input until a character is specified) from the performance timing at the time when a certain character is specified. Each character is specified for each syllable.

  Specifically, it is assumed that a certain sound is input from the microphone 40 in a certain performance section of the music piece X. The speech processing unit 200 controls the DSP of the acoustic processing unit 14 and analyzes the digital speech data converted by the A / D converter using a known speech recognition algorithm. Then, the voice processing unit 200 temporarily stores the character based on the syllable recognized from the digital voice data and the input timing when the character is voice input in a RAM (not shown) or the like.

  The voice processing unit 200 performs the same process each time voice is input from the microphone 40, thereby specifying the voice input character in time series. FIG. 4 is an example showing the specified character and its input timing. In this example, the letters “su”, “ta”, “−”, “g” are specified in time series.

[First determination unit]
The first determination unit 300 determines whether a predetermined character string including the same character as the keyword is input by voice by comparing the specified character with the keyword.

  Specifically, the first determination unit 300 sequentially compares a keyword for each character specified by the voice processing unit 200. For example, assume that the character “su” shown in FIG. 4 is specified. In this case, the first determination unit 300 compares “su” with the first character of all keywords (see FIG. 3) stored in the data storage unit 100.

  When the specified character matches the first character of the keyword, the first determination unit 300 compares the character specified next to the certain character with the second character of the keyword. For example, the character specified next to the above “su” is “ta”. The first determination unit 300 compares the character “T” with the second character of the keyword whose first character matches.

  As a result of the sequential comparison as described above, when there is a keyword that matches all the characters specified in time series, the first determination unit 300 determines that a predetermined character string composed of the same character as the keyword has been inputted by voice. To do. In the case of FIG. 3 and FIG. 4, the first determination unit 300 determines that a predetermined character string “start” is input by voice.

  In addition, when the identified character and the keyword do not match, the first determination unit 300 does not store the keyword corresponding to the identified character example in the data storage unit 100 (the voice input from the singer is operated by the operation). The command is not intended, and no further processing is performed.

[Performance section identification section]
When a predetermined character string is input by voice, the performance section specifying unit 400 specifies a performance section corresponding to the input timing of the characters constituting the predetermined character string from the performance sections of a certain musical piece.

  For example, it is assumed that the voice of the keyword “start” stored in the data storage unit 100 is input at the input timing shown in FIG. In this case, the performance section specifying unit 400 reads information related to the performance section of the music X from the storage unit 13 and compares it with the input timing of the keyword “start”. FIG. 5 is a diagram showing a part of information (performance section, performance start time, performance end time) regarding the performance section of the music piece X.

  As shown in FIG. 4, the input timing of the first character “su” in the keyword “start” is 00:48:00, and the input timing of the last character “g” is 00:48:75. is there. On the other hand, as shown in FIG. 5, as the performance section of the music X corresponding to the input timing 00: 48: 0 to 00:48:75, the first B melody (performance start time 00:33:26 to performance end time) 00:55:00) exists. In this case, the performance section specifying unit 400 specifies the first B melody from the performance sections of the music X as the performance section corresponding to the input timing of the specified character. When a keyword is input across a plurality of performance sections with different operation commands, the performance section corresponding to the input timing of the first character of the keyword may be specified as the performance section corresponding to the keyword input timing. The performance section having the longest section corresponding to the keyword input timing may be specified as the performance section corresponding to the keyword input timing.

[Command control section]
The command control unit 500 controls the acoustic processing unit 14 according to an operation command input from the outside, and executes various operations related to karaoke performance.

  For example, the command control unit 500 executes an operation according to an operation command input via the operation unit 16 of the karaoke main body 10 or the remote control device 50.

  In addition, the command control unit 500 according to the present embodiment executes an operation according to the operation command in the same performance section as the specified performance section among the operation commands associated with the keyword corresponding to the predetermined character string. To do.

  As in the above example, it is assumed that the voice input of the keyword “start” is made in the first B melody of the music piece X. In this case, the command control unit 500 refers to the data storage unit 100, and among the operation commands associated with the keyword “start” (“redo” or “stop performance”), the command control unit 500 performs the same performance as the specified performance section. The operation according to the operation command “redo” in the first B melody that is the section is executed.

== About the operation of the karaoke apparatus 1 ==
Next, a specific example of the operation of the karaoke apparatus 1 in the present embodiment will be described with reference to FIG. FIG. 6 is a flowchart showing an operation example of the karaoke apparatus 1. In this example, it is assumed that a voice input is made from a singer in a performance section where the music X is present.

  The voice processing unit 200 sequentially analyzes the voice input from the microphone 40, and specifies the voice input character and its input timing in time series (character and input timing specification. Step 10).

  The first determination unit 300 compares the character specified in step 10 with the keyword stored in the data storage unit 100 (compares the specified character with the keyword. Step 11).

  When a predetermined character string composed of the same character as the keyword is inputted by voice (in the case of Y in Step 12), the performance section specifying unit 400 inputs the character specified in Step 10 from the performance sections of the music X. A performance section corresponding to the timing is specified (specification of a performance section, step 13). On the other hand, when the keyword corresponding to the character specified in step 10 is not stored in the data storage unit 100 (N in step 12), the subsequent processing is not performed.

  The command control unit 500 refers to the data storage unit 100 and operates in the same performance section as the performance section specified in step 13 among the operation commands associated with the keyword corresponding to the character specified in step 10. An operation according to the command is executed (execution of the operation command corresponding to the performance section. Step 14).

  As is clear from the above, the karaoke apparatus 1 according to the present embodiment stores a data storage unit 100 that stores operation commands for performing various operations related to karaoke performance for each of a plurality of keywords in association with each performance section. A voice processing unit 200 that sequentially analyzes voices input from a microphone in accordance with a karaoke performance of a song and specifies the input characters and their input timing in time series, and the specified characters and keywords. By comparing, the first determination unit 300 that determines whether or not a predetermined character string consisting of the same character as the keyword is input by voice, and when a predetermined character string is input by voice, The performance section specifying unit 400 that specifies the performance section corresponding to the input timing of the characters constituting the predetermined character string, and the predetermined character string Of the operation command associated with the keyword that has a command control unit 500 to perform operations in accordance with the operation command in the same playing section and the identified play section, the.

  According to such a karaoke apparatus 1, when there is a voice input from the microphone 40 in a performance section of a certain musical piece, it is determined whether the voice input is an input of an operation command (keyword), and the input of the operation command is performed. In this case, the operation command in the performance section corresponding to the input timing can be executed. Therefore, the singer can perform a desired operation without using the remote control device 50 or the like according to the performance section of the karaoke performance. That is, according to the karaoke apparatus 1 according to the present embodiment, when an operation related to karaoke performance is performed based on the voice input from the microphone 40, a desired operation can be performed according to the timing of voice input.

<Second Embodiment>
Next, with reference to FIG.7 and FIG.8, the karaoke apparatus 1 which concerns on 2nd Embodiment is demonstrated. In the example of the first embodiment, the performance section specifying unit 400 may specify a singing section as a performance section corresponding to the input timing of characters constituting a predetermined character string. On the other hand, the lyrics in the singing section may include the same words as the keywords. In this case, since the lyrics are also recognized as keywords even when the lyrics are sung, an operation (erroneous operation) that is not desired by the singer may be performed. The karaoke apparatus 1 in the present embodiment is configured to prevent such a malfunction. Detailed description of the same configuration as that of the first embodiment will be omitted.

(Karaoke software)
FIG. 7 is a diagram illustrating a software configuration example of the karaoke main body 10 according to the present embodiment. The karaoke main body 10 includes a data storage unit 100, a voice processing unit 200, a first determination unit 300, a performance section specifying unit 400, a command control unit 500, a lyrics extraction unit 600, and a comparison unit 700. The data storage unit 100 is provided as a part of the storage area of the storage unit 13. The voice processing unit 200, the first determination unit 300, the performance section identification unit 400, the command control unit 500, the lyrics extraction unit 600, and the comparison unit 700 are realized by the CPU 11a executing a program stored in the memory 11b. The

[Lyrics extraction section]
When the specified performance section corresponds to a singing section of a song, the lyric extraction unit 600 is sung for a predetermined period including the input timing of characters constituting the predetermined character string from the lyrics of the singing section. Extract the lyrics that should be.

  The predetermined period is a period for determining a range in which lyrics to be originally sung are extracted. The predetermined period includes the input timing of characters constituting the predetermined character string. For example, if the predetermined character string is “start” shown in FIG. 4, the input period 00: 48: 0 of the character “su” to the input timing 00:48:75 of the character “g” is set as the predetermined period. Can do. On the other hand, some singers deliberately sing at a timing that should be originally sung, such as a singing singing song song. Therefore, the predetermined period may be obtained by adding several seconds before and after the input timing of the predetermined character string. In the above example, the predetermined period may be 00:47:50 to 00:49:25, in which the previous -0.5 seconds and the subsequent +0.5 seconds are added.

  Specifically, when the specified performance section corresponds to the singing section of the music piece X, the lyrics extracting unit 600 reads out the lyrics data of the music piece X from the storage unit 13. The lyrics extraction unit 600 extracts the lyrics to be sung at the input timing (for example, 00: 48: 0 to 00:48:75) of a predetermined character string “start” from the read lyrics data. In this example, it is assumed that the lyrics extracting unit 600 extracts “ga start” from the lyrics of the music X as the lyrics to be sung.

[Comparison part]
The comparison unit 700 compares the extracted lyrics with a predetermined character string.

  For example, the comparison unit 700 sequentially compares a predetermined character string “start” character by character with the extracted lyrics “ga is start” in the above example. The comparison in the comparison unit 700 can be performed, for example, in the same manner as the first determination unit 300. That is, the comparison unit 700 compares the first character “ga” of the extracted lyrics with the first character “su” of a predetermined character string. If the first characters do not match, the comparison unit 700 performs the same processing in the order of the second characters “su”, “ta”,. When the extracted lyrics include kanji and foreign languages, the comparison unit 700 first converts the lyrics into kana characters and performs comparison.

  On the other hand, when the character included in the extracted lyrics matches the first character of the predetermined character string, the comparison unit 700 compares the next character included in the lyrics with the second character of the predetermined character string. For example, in the above example, the comparison unit 700 compares the next character “TA” included in the lyrics with the second character “TA” of a predetermined character string. By repeating such comparison, the comparison unit 700 determines whether or not the extracted lyrics match a predetermined character string.

[Command control section]
When the extracted lyrics and a predetermined character string do not match, the command control unit 500 according to the present embodiment executes an operation according to the operation command in the same performance section as the specified performance section.

  The extracted lyrics correspond to the lyrics to be sung at the time when voice input is made. Therefore, when a voice input that does not match the lyrics is made, it is reasonable to consider that the singer has input an operation command. Therefore, the command control unit 500 refers to the data storage unit 100, specifies an operation command in the same performance section as the specified performance section, among the operation commands corresponding to the same keyword as the predetermined character string, and the operation command Execute the operation according to

  On the other hand, when the extracted lyrics match a predetermined character string, the command control unit 500 prohibits the operation according to the operation command in the same performance section as the specified performance section.

  As described above, the extracted lyrics correspond to the lyrics to be sung when voice input is performed. Therefore, when a voice input that matches the lyrics is made, it is reasonable for the singer to think that the lyrics that should be sung are karaoke sung. It is contrary to the singer's intention to execute the operation according to the operation command in the same performance section as the performance section specified in such a case.

  Therefore, the command control unit 500 prohibits an operation according to an operation command in the same performance section as the specified performance section.

  In the above example, the comparison unit 700 determines that a part of the extracted lyrics “ga is start” matches a predetermined character string “start”. In this case, the command control unit 500 operates in the same performance section as the specified performance section (for example, No. 1 B melody) among the operation commands corresponding to the same keyword “start” as the predetermined character string “start”. The redo operation according to the command “Redo” is prohibited.

== About the operation of the karaoke apparatus 1 ==
Next, a specific example of the operation of the karaoke apparatus 1 in the present embodiment will be described with reference to FIG. FIG. 8 is a flowchart showing an operation example of the karaoke apparatus 1. In this example, it is assumed that a voice input is made from a singer in a performance section where the music X is present.

  Steps 20 to 23 are the same as steps 10 to 13 of the first embodiment.

  When the specified performance section corresponds to the singing section of the music piece X (Y in Step 24), the lyrics extracting unit 600 inputs the characters constituting the predetermined character string from the lyrics of the singing section. The lyrics to be sung are extracted in a predetermined period including (extracting the lyrics to be sung. Step 25).

  The comparison unit 700 compares the lyrics extracted in step 25 with a predetermined character string (compares the extracted lyrics with a predetermined character string, step 26).

  If the extracted lyrics and the predetermined character string do not match (N in step 27), the command control unit 500 determines in step 23 among the operation commands associated with the keyword corresponding to the predetermined character string. An operation according to the operation command in the same performance section as the identified performance section is executed (operation execution, step 28).

  On the other hand, when the extracted lyrics match the predetermined character string (in the case of Y in step 27), the command control unit 500 performs step among the operation commands associated with the keyword corresponding to the predetermined character string. The operation according to the operation command in the same performance section as the performance section specified in 23 is prohibited (operation prohibition, step 29).

  On the other hand, when the specified performance section does not correspond to the singing section of the music X (N in Step 24), the command control unit 500 refers to the data storage unit 100 and corresponds to the character specified in Step 20. Of the operation commands associated with the keyword, an operation according to the operation command in the same performance section as the performance section (non-singing section) specified in step 23 is executed (step 28).

  As is clear from the above, the karaoke apparatus 1 according to the present embodiment constitutes the predetermined character string from the lyrics of the singing section when the karaoke apparatus 1 corresponds to the singing section of the music with the specified performance section. It has a lyrics extracting unit 600 that extracts lyrics to be sung in a predetermined period including a character input timing, and a comparing unit 700 that compares the extracted lyrics with a predetermined character string. In addition, when the extracted lyrics and the predetermined character string do not match, the command control unit 500 according to the present embodiment executes an operation according to the operation command in the same performance section as the specified performance section, and is extracted When the lyrics and the specified predetermined character string match, the operation according to the operation command in the same performance section as the specified performance section is prohibited.

  According to such a karaoke apparatus 1, when the specified performance section corresponds to a singing section of a music piece, it is determined whether the voice input in the singing section is a karaoke singing or an input of an operation command. When the operation command is input, an operation according to the operation command in the singing section can be executed. Therefore, even if the singer is performing a karaoke performance in the singing section, an operation command can be easily input without using the remote controller 50 or the like. On the other hand, when the keyword corresponding to the operation command happens to be included in the lyrics, according to the karaoke apparatus 1 in the present embodiment, the operation according to the operation command corresponding to the keyword may be executed. No. Therefore, an operation contrary to the intention of the singer is not performed. That is, according to the karaoke apparatus 1 according to the present embodiment, it is possible to prevent malfunctions when performing operations related to karaoke performance based on sound input from the microphone.

<Third Embodiment>
Next, with reference to FIG.9 and FIG.10, the karaoke apparatus 1 which concerns on 3rd Embodiment is demonstrated. In the present embodiment, an example will be described in which it is determined in advance whether or not a keyword corresponding to an operation command is included in the lyrics of a certain music piece before performing a karaoke performance for the certain music piece. Detailed description of the same configurations as those of the first embodiment and the second embodiment will be omitted.

(Karaoke software)
FIG. 9 is a diagram showing a software configuration example of the karaoke main body 10 according to the present embodiment. The karaoke main body 10 includes a data storage unit 100, a voice processing unit 200, a first determination unit 300, a performance section identification unit 400, a command control unit 500, a lyrics extraction unit 600, a comparison unit 700, and a second determination unit 800. Prepare. The data storage unit 100 is provided as a part of the storage area of the storage unit 13. The voice processing unit 200, the first determination unit 300, the performance section identification unit 400, the command control unit 500, the lyrics extraction unit 600, the comparison unit 700, and the second determination unit 800 are programs that the CPU 11a stores in the memory 11b. It is realized by executing.

[Second determination unit]
The second determination unit 800 determines in advance whether or not a keyword is included in the lyrics of a certain music piece before performing a karaoke performance on the certain music piece.

  If a keyword corresponding to an operation command is not included in the lyrics of a song, the keyword is input by voice even though the operation according to the operation command is not instructed during karaoke singing. No. That is, when a keyword is input by voice, it is appropriate to think that the singer is instructing execution of an operation according to the operation command.

  For example, suppose that music X is registered in the reservation queue. In this case, the second determination unit 800 obtains the lyrics data of the song X by the time when the karaoke performance of the song X is started (when the song X is registered in the reservation queue, when the song X is next played karaoke, etc.). It is determined whether or not any keyword read from the storage unit 13 and stored in the data storage unit 100 is included therein. This determination can be made, for example, by the same method as the determination in the first determination unit 300 described in the first embodiment.

[Command control section]
The command control unit 500 according to the present embodiment disables the functions of the lyrics extraction unit 600 and the comparison unit 700 and determines the specified performance section when it is determined that the keyword is not included in the lyrics of a certain music piece. The operation according to the operation command in the same performance section is executed.

  When a keyword corresponding to an operation command is included in the lyrics of a certain musical piece, the keyword is input by voice even though the execution of the operation according to the operation command is not instructed during karaoke singing. Therefore, as described in the second embodiment, it is necessary to execute or prohibit operations according to the operation commands in accordance with the processing results by the lyrics extracting unit 600 and the comparing unit 700. On the contrary, when the keyword corresponding to the operation command is not included in the lyrics of a certain music piece, the processing by the lyrics extraction unit 600 and the comparison unit 700 is unnecessary.

  Accordingly, when it is determined that the keyword is not included in the lyrics of a certain musical piece, the command control unit 500 invalidates the functions of the lyrics extraction unit 600 and the comparison unit 700. That is, even if the performance section specified by the performance section specifying unit 400 corresponds to a song section of a song, the lyrics extraction unit 600 and the comparison unit 700 do not perform processing.

  On the other hand, even if a keyword is not included in the lyrics of a certain musical piece, there is a possibility that an operation command is input by voice. Therefore, if it is determined that the keyword is not included in the lyrics of a certain song, the command control unit 500 responds to the keyword when a predetermined character string composed of the same character as the keyword is input by voice. Of the attached operation commands, an operation according to the operation command in the same performance section as the specified performance section is executed.

  For example, it is assumed that the second determination unit 800 determines that no keyword is included in the lyrics of the music X. Thereafter, the music piece X is played karaoke, and the singer performs karaoke singing.

  At this time, the voice processing unit 200 sequentially analyzes the voices input from the microphone 40 and specifies the voice input characters in time series. The first determination unit 300 determines whether a predetermined character string including the same character as the keyword is input by voice by comparing the specified character with the keyword. When a predetermined character string is input by voice, the performance section specifying unit 400 specifies a performance section corresponding to the input timing of the characters constituting the predetermined character string from the performance sections of the music X. The command control unit 500 executes an operation according to the operation command in the same performance section as the specified performance section among the operation commands associated with the keyword corresponding to the predetermined character string.

== About the operation of the karaoke apparatus 1 ==
Next, a specific example of the operation of the karaoke apparatus 1 in the present embodiment will be described with reference to FIG. FIG. 10 is a flowchart illustrating an operation example of the karaoke apparatus 1. In this example, it is assumed that a karaoke performance is reserved for the music piece X.

  The second determination unit 800 determines in advance whether or not a keyword is included in the lyrics of the music X before performing the karaoke performance on the music X (determining whether or not there is a keyword, step 30). When it is determined that no keyword is included in the lyrics of the song X (N in step 31), the command control unit 500 disables the functions of the lyrics extraction unit 600 and the comparison unit 700 (lyric extraction). The function of the section and the comparison section is invalidated (step 32). Then, the karaoke performance of the music X is started (start of karaoke performance. Step 33).

  The voice processing unit 200 sequentially analyzes the voice input from the microphone 40 in the singing section of the music X, and specifies the voice input characters in time series (identification of voice input characters. Step 34).

  The first determination unit 300 compares the character specified in step 34 with the keyword stored in the data storage unit 100 (compare the specified character with the keyword. Step 35).

  When a predetermined character string composed of the same character as the keyword is inputted by voice (in the case of Y in step 36), the performance section specifying unit 400 inputs the character specified in step 34 from the performance sections of the music X. A performance section corresponding to the timing is specified (specification of a performance section, step 37). On the other hand, if the keyword corresponding to the character specified in step 34 is not stored in the data storage unit 100 (N in step 36), the subsequent processing is not performed.

  The command control unit 500 refers to the data storage unit 100 and operates in the same performance section as the performance section identified in step 37 among the operation commands associated with the keyword corresponding to the character identified in step 34. An operation according to the command is executed (execution of the operation command corresponding to the performance section. Step 38).

  On the other hand, when it is determined that the keyword is included in the lyrics of the music X (in the case of Y in step 31), the karaoke apparatus 1 executes the processing after step 20 of the second embodiment.

  As is clear from the above, the karaoke apparatus 1 according to the present embodiment determines, in advance, whether or not a keyword is included in the lyrics of a certain piece of music before performing the karaoke performance for the certain piece of music. Part 800. The command control unit 500 according to the present embodiment disables the functions of the lyrics extraction unit 600 and the comparison unit 700 and determines the specified performance section when it is determined that the keyword is not included in the lyrics of a certain music piece. The operation according to the operation command in the same performance section is executed.

  According to such a karaoke apparatus 1, it is possible to determine whether or not a keyword corresponding to an operation command is included in the lyrics of a certain musical piece in advance before performing a karaoke performance for a certain musical piece. Then, when the keyword corresponding to the operation command is not included in the lyrics of a certain music piece, the processing by the lyrics extracting unit 600 and the comparing unit 700 can be made unnecessary. On the other hand, the karaoke apparatus 1 can execute an operation according to an operation command in a certain singing section by inputting a keyword by voice in the singing section.

<Others>
The above embodiment is presented as an example and does not limit the scope of the invention. The above configurations can be implemented in appropriate combination, and various omissions, replacements, and changes can be made without departing from the scope of the invention. The above-described embodiments and modifications thereof are included in the invention described in the claims and equivalents thereof in the same manner as included in the scope and spirit of the invention.

DESCRIPTION OF SYMBOLS 1 Karaoke apparatus 100 Data storage part 200 Audio | voice processing part 300 1st judgment part 400 Performance section identification part 500 Command control part 600 Lyrics extraction part 700 Comparison part 800 2nd judgment part

Claims (3)

For each of the plurality of keywords, a data storage unit that stores operation commands for performing various operations related to karaoke performance in association with each performance section;
A voice processing unit that sequentially analyzes voice input from a microphone with a karaoke performance of a certain song, and specifies a voice input character and its input timing in time series;
A first determination unit that determines whether or not a predetermined character string including the same character as the keyword is input by comparing the identified character and the keyword;
When the predetermined character string is inputted by voice, a performance section specifying unit for specifying a performance section corresponding to the input timing of the characters constituting the predetermined character string from among the performance sections of the certain music,
A command control unit that executes an operation in accordance with an operation command in the same performance section as the specified performance section among the operation commands associated with the keyword corresponding to the predetermined character string;
Karaoke apparatus having When the specified performance section corresponds to the singing section of the certain musical piece, the lyrics to be sung in a predetermined period including the input timing of the characters constituting the predetermined character string from the lyrics of the singing section. A lyrics extraction unit to extract;
A comparison unit that compares the extracted lyrics with the predetermined character string;
Have
The command control unit executes an operation according to an operation command in the same performance section as the identified performance section when the extracted lyrics and the predetermined character string do not match, and identifies the extracted lyrics A command control unit that prohibits an operation in accordance with an operation command in the same performance section as the specified performance section when the predetermined character string is matched;
The karaoke apparatus according to claim 1, comprising: Before performing a karaoke performance on the certain song, it has a second determination unit that determines in advance whether the keyword is included in the lyrics of the certain song,
When it is determined that the keyword is not included in the lyrics of the certain song, the command control unit invalidates the functions of the lyrics extraction unit and the comparison unit, and is the same as the specified performance section The karaoke apparatus according to claim 2, wherein an operation according to an operation command in a performance section is executed.

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