JP2016029499A - Musical composition support device, musical composition support method, musical composition support program, and recording medium having musical composition support program stored therein - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a musical composition support device, musical composition support method, musical composition support program, and a recording medium having the musical composition support program stored therein with which music can be easily composed and variety of music can be composed.SOLUTION: A musical composition support device includes an input part 23 that receives the input of a melody sound, and a management server 30 and a lyric input terminal 40 that compose music on the basis of the melody sound input to the input part 23. The management server 30 and the lyric input terminal 40 compose music on the basis of a set genre, the taste of the music, and the number of bars in the melody sound.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a composition support device, a composition support method, a composition support program, and a recording medium storing the composition support program.

  When a user composes music, musical knowledge is required, and it is not easy for a user without musical knowledge.

  For such a problem, for example, Patent Document 1 proposes a method of generating a melody that matches the lyrics created by the user.

  The melody generating device described in Patent Document 1 describes generating a melody based on intonation information indicating the pitch of each syllable when a word used in lyrics is pronounced.

JP 2002-149179 A

  In the melody generating device described in Patent Document 1, there is no sense of incongruity between the combination of the melody (lyric accent) and the meaning of the lyrics, so when the lyrics and the melody are combined, the meaning of the lyrics is easily communicated to the listener. Since there is a limit to the original inflection, changes in pitch (sound inflection, sound jumping) are limited. Therefore, in the case of the combination of similar inflection words, there is a problem that a similar melody is generated and a monotone melody is generated with a small variety of melody lines.

  In addition, recently there is an effect that the listener does not care much about the melody that does not match the accent of the word, and there is also an effect of creating a fresh atmosphere by intentionally adding a reverse accent, so depending on the song, the original inflection of the word is a melody It is not the best to use it.

  Patent Document 1 also describes that a certain amount of width is given to the inflection of a word by using a random number. However, this is based on the inflection when a word is pronounced, and the width of the generated song is limited. End up.

  Accordingly, an object of the present invention is to provide, for example, a music composition support apparatus, a music composition support method, a music composition support program, and a recording medium storing the music composition support program that can compose music easily and compose a variety of music. To do.

  In order to solve the above problem, the music composition support device according to claim 1 includes an input unit that inputs a melody sound, and a music composition unit that composes music based on the melody sound input to the input unit, The composition unit composes music based on a set genre and tone, and the number of measures of the melody sound.

  6. The composition support method according to claim 5, wherein the composition support method is executed by a composition support apparatus, wherein an input step of inputting a melody sound and a composition of music composition based on the melody sound input in the input step. And the composition step is characterized in that the composition is performed based on a set genre and tone and the number of measures of the melody sound.

It is a block diagram of the music composition assistance apparatus concerning the 1st Example of the present invention. 4 is a table showing an example of attribute information stored in an attribute information DB storage unit of MIDI data of the music composition support apparatus shown in FIG. 1. It is an example of the lyrics input into the composition assistance apparatus shown by FIG. It is explanatory drawing of the method of dividing | segmenting the number of sounds of the example of the lyrics shown by FIG. It is a flowchart which shows operation | movement of the management server and melody registration terminal which were shown by FIG. It is a flowchart which shows operation | movement of the management server and lyrics input terminal which were shown by FIG. 7 is a flowchart showing a search operation shown in FIG. 6. It is a flowchart which shows the operation | movement which searches the melody information which matches with the number of notes more than four measures shown by FIG. It is a flowchart which shows the operation | movement which searches the melody information in which the number of sounds matches for every measure shown by FIG. It is explanatory drawing of the operation | movement which slides and divides | segments the number of sounds. It is explanatory drawing at the time of displaying a search result on a display part. It is a block diagram of the music composition assistance apparatus concerning the 2nd Example of this invention. It is a flowchart which shows operation | movement of the management server and melody registration terminal which were shown by FIG.

  Hereinafter, a music composition support apparatus according to an embodiment of the present invention will be described. A composition support apparatus according to an embodiment of the present invention includes an input unit that inputs a melody sound, and a composition unit that composes based on the melody sound input to the input unit, and the composition unit includes a set genre. And compose music based on the melody and the number of measures in the melody. By doing so, it is possible to compose music based on the set genre, tone, and number of measures of the melody sound.

  Moreover, the melody sound should just contain at least one of the song by a user, a nose song, or the performance using a musical instrument. Moreover, you may further provide the score display part which displays a melody sound on a staff score. In addition, a network communication unit that converts a generated melody obtained by arranging melody sounds into an audio signal and uploads it may be further provided.

  In addition, the music composition support device according to the embodiment of the present invention includes a melody from a storage unit in which a search unit stores a plurality of melody information created by a plurality of creators based on lyrics information input from a lyrics input unit. Since the information is searched and the search result from the music output unit is output as a music, it is possible to search for melody information that matches the lyrics from melody information created by a plurality of creators. In addition, since a plurality of pieces of melody information by various creators can be combined to compose a song, it is possible to create a song with a variety more than an automatically generated melody. In addition, since the user only has to input lyrics, composition can be easily performed.

  In addition, a melody information that includes a sound number extraction unit that extracts the number of sounds from the lyric information input to the lyrics input unit, and the search unit stores in the storage unit based on the number of sounds extracted by the sound number extraction unit You may search for. By doing so, it is possible to search from the number of sounds in the lyrics, so that it is possible to search for melody information that is matched to the number of sounds in the lyrics (number of characters) and that does not depend on the pronunciation of the lyrics.

  Further, the sound number extraction unit may divide the sound number extracted from the lyrics information into a plurality of bars. In this way, information can be transmitted to the search unit in a state in which measures are configured in advance, and the search operation performed by the search unit can be facilitated.

  Further, the search unit may search the melody information in units of a predetermined measure based on the number of sounds in each measure. This makes it easier to search for melody information than to search only by the number of sounds, and to narrow down candidates.

  The search unit may search for melody information by increasing or decreasing the number of sounds. By doing in this way, the melody information used as search object can be increased and the range of composition can be expanded.

  The melody information may include key information and sound number information for each measure. In this way, it is possible to adjust keys when combining a plurality of pieces of melody information, or to search for melody information that matches the number of sounds for each measure.

  Further, a key adjustment unit that adjusts key information included in melody information other than the predetermined melody based on key information included in the predetermined melody information may be further provided. By doing in this way, the discomfort of the connection at the time of combining several melody information can be relieved.

  The music output unit may output the melody information searched by the search unit as music. In this way, the searched melody information can be heard as a sound by a user or the like and confirmed.

  The music output unit may display the melody information searched by the search unit as note information. In this way, the searched melody information can be displayed as a musical score or the like to be confirmed by the user.

  A melody search device according to an embodiment of the present invention includes a melody from a storage unit that stores a plurality of pieces of melody information created by a plurality of creators in a search unit based on lyrics information received by a lyrics information reception unit. Since the information is searched and the search result is output from the search result output unit, the melody information matching the number of sounds can be searched from the melody information stored in the storage unit.

  In addition, in the music composition support device according to another embodiment of the present invention, the melody information acquisition unit is input by the lyrics input unit from a plurality of melody information input by a plurality of creators stored in the storage unit. Since the melody information is searched based on the lyric information and the search result including the searched melody information is acquired, the melody information matching the lyrics can be searched from the melody information created by a plurality of creators. . In addition, since a plurality of pieces of melody information by various creators can be combined to compose a song, it is possible to create a song with a variety more than an automatically generated melody. In addition, since the user only has to input lyrics, composition can be easily performed.

  According to another embodiment of the present invention, there is provided a music composition support method including a melody from a storage unit that stores a plurality of pieces of melody information created by a plurality of creators in a search process based on lyrics information input in a lyrics input process. Since the information is searched and the result searched in the music output step is output as music, it is possible to search for melody information that matches the lyrics from melody information created by a plurality of creators. In addition, since a plurality of pieces of melody information by various creators can be combined to compose a song, it is possible to create a song with a variety more than an automatically generated melody. In addition, since the user only has to input lyrics, composition can be easily performed.

  Moreover, the composition assistance program concerning one Embodiment of this invention is performing the composition assistance method mentioned above on the computer. In this way, it is possible to search for melody information that matches the lyrics from melody information created by a plurality of creators. In addition, since a plurality of pieces of melody information by various creators can be combined to compose a song, it is possible to create a song with a variety more than an automatically generated melody. In addition, since the user only has to input lyrics, composition can be easily performed.

  Further, the above-described composition support program may be stored in a computer-readable recording medium. In this way, the program can be distributed as a single unit in addition to being incorporated in the device, and version upgrades can be easily performed.

  A composition support apparatus 1 according to a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the music composition support apparatus 1 includes melody registration terminals 10 and 20, a management server 30, and a lyrics input terminal 40.

  The melody registration terminals 10 and 20 and the lyrics input terminal 40 are configured by terminal devices that can be connected to a network such as a personal computer or a smartphone. The management server 30 is composed of, for example, a computer installed in an office or the like. The management server 30 manages melody information registered from the melody registration terminals 10 and 20 and melody based on the number information transmitted from the lyrics input terminal 40. Search information. The melody registration terminals 10 and 20 and the lyrics input terminal 40 and the management server 30 perform wireless communication, but it goes without saying that communication may be performed not only through direct communication or a dedicated line but also through a public line. Absent.

  In addition, the configuration of the music composition support apparatus 1 illustrated in FIG. 1 is an example and is not limited thereto. FIG. 1 shows that each component included in the music composition support apparatus 1 may be divided into the melody registration terminals 10 and 20, the lyrics input terminal 40, and the management server 30. For example, the lyrics input terminal 40 is provided. The management server 30 may include a part of the configuration, or conversely, the lyrics input terminal 40 may include a part of the management server 30.

  As shown in FIG. 1, the melody registration terminal 10 includes an input unit 11, composer information 12, a score display unit 13, a MIDI data generation / storage unit 14, a speaker 15, a control unit 16, and a network. And a communication unit 17.

  The input unit 11 includes, for example, a keyboard, a mouse, a touch panel, a MIDI (Musical Instrument Digital Interface) compatible instrument, and the like, and inputs information such as notes input when creating a melody. Note that the melody in the present embodiment is not limited to a song that is completed as a song, but is music information that can at least determine the pitch, such as a phrase of a plurality of measures such as four measures.

  The composer information 12 sets and stores information relating to the composer, such as the name or nickname of the person who composes the input melody, and a management ID on the management server 30 described later.

  The musical score display unit 13 is composed of, for example, a liquid crystal display, and displays a musical score, musical notes, and the like constituting melody information input from the input unit 11.

  The MIDI data generation / storage unit 14 converts the melody input from the input unit 11 into MIDI data (melody information) and stores it.

  The speaker 15 is, for example, a speaker provided for confirming a melody that has been created or being created. For example, an appropriate musical instrument is used by the control unit 16 using a sound source (not shown) by an operation from the input unit 11. The signal generated as the sound is converted into sound and output.

  The control unit 16 is responsible for overall control of the melody registration terminal 10, converts the melody input from the input unit 11 to the MIDI data generation / storage unit 14, stores it, and generates score data to be displayed on the score display unit 13. Or generating voice information to be output to the speaker 15.

  The network communication unit 17 transmits the MIDI data (melody information) and the composer information 12 stored in the MIDI data generation / storage unit 14 to the management server 30 by wireless communication.

  The melody registration terminal 10 is a terminal that creates MIDI data by placing notes or the like from the input unit 11 or inputting from a musical instrument or the like on the staff displayed on the score display unit 13 as described above.

  As shown in FIG. 1, the melody registration terminal 20 includes composer information 12, a score display unit 13, a MIDI data generation / storage unit 14, a speaker 15, a control unit 16, a network communication unit 17, A microphone 21, an audio frequency analysis / musical transcription processing unit 22, and an input unit 23 are provided.

  Among the constituent blocks of the melody registration terminal 20, the composer information 12, the score display unit 13, the MIDI data generation / storage unit 14, the speaker 15, the control unit 16, and the network communication unit 17 are included in the melody registration terminal 10. It is the same. However, the MIDI data generation / storage unit 14 generates MIDI data for the result of the audio frequency analysis / musical transcription processing unit 22.

  The microphone 21 receives, for example, a melody sound played by a user or the like using a musical instrument or the like. Note that the singing may be performed without using a musical instrument, or the data may be generated by the audio frequency analysis / musical transcription processing unit 22 described later even if it is not a complete singing such as a nose singing.

  The sound frequency analysis / musical transcription processing unit 22 performs frequency analysis on the melody sound input from the microphone, and performs music transcription processing that detects the pitch of the sound and applies it to a note, rest, or the like. Note that the frequency analysis of the input sound performed by the audio frequency analysis / music transcription processing unit 22 may be performed by a well-known method as described in, for example, Japanese Patent Application Laid-Open No. 2011-059258. Good.

  The input unit 23 includes, for example, a keyboard, a mouse, a touch panel, and the like. Unlike the input unit 11 of the melody registration terminal 10, the input unit 23 does not input the melody itself, and the key (C major, A minor, etc.) and time signature (four quarters, etc.) of the melody sound input from the microphone 21. ) And so on.

  Although the control unit 16 of the melody registration terminal 20 has the same configuration, the melody sound input from the microphone 21 is scored by the audio frequency analysis / musical transcription processing unit 22, or the recorded data is generated as MIDI data / The storage unit 14 converts the data into MIDI data and generates audio information to be output to the speaker 15. The speaker 15 not only confirms the melody information that has been created or is being created, but also outputs a tempo that serves as a reference when inputting a melody sound from the microphone 21. This tempo is based on the time signature set by the input unit 23.

  The melody registration terminal 20 is a terminal that creates MIDI data from the sound input from the microphone 21 as described above.

  As shown in FIG. 1, the management server unit 30 as a melody search device includes a network communication unit 31, a control unit 32, a voice data encoding unit 33, a sound number analysis unit 34, and a MIDI data DB storage unit 35. A MIDI data attribute information DB storage unit 36, and a melody search unit 37.

  The network communication unit 31 as a lyric information receiving unit and a search result output unit performs wireless communication with the melody registration terminals 10 and 20 and a lyrics input terminal 40 described later, and MIDI data, composer information, and the like are transmitted from the melody registration terminals 10 and 20. Receive. In addition to receiving the number-of-sounds information from the lyrics input terminal 40, transmission of voice data, attribute information, etc. obtained by converting the searched MIDI data is performed.

  The control unit 32 is responsible for overall control of the management server 30 and stores the MIDI data received by the network communication unit 31 from the melody registration terminals 10 and 20 in the MIDI data DB storage unit 35 described later, and sets the attributes of the MIDI data. The indicated information is analyzed and stored in the MIDI data attribute information DB storage unit 36.

  Further, the control unit 32 causes the audio data encoding unit 33 to encode the MIDI data searched by the melody searching unit 37 described later into audio data. In addition, the control unit 32 causes the melody search unit 37 to search for MIDI data in the MIDI data DB storage unit 35 based on the number-of-tones information received from the lyrics input terminal 40 by the network communication unit 31.

  The audio data encoding unit 33 encodes the MIDI data searched by the melody search unit 37 described later into encoded audio data such as WAV (RIFF waveform Audio Format) and MP3 (MPEG Audio Layer-3).

  The sound number analysis unit 34 analyzes the number of bars and the number of sounds in the bars from the MIDI data transmitted from the melody registration terminals 10 and 20.

  The MIDI data DB storage unit 35 as the storage unit stores MIDI data transmitted from the melody registration terminals 10 and 20 as a database. That is, melody information input by a plurality of creators is accumulated.

  The attribute information DB storage unit 36 of the MIDI data as the storage unit stores attribute information such as the number of measures of the MIDI data stored in the MIDI data DB storage unit 35, the number of sounds in the measure, the key, the composer, and the like as a database. Has been. In this embodiment, since the MIDI data is searched using the attribute information, the MIDI data attribute information DB storage unit 36 is also an accumulation unit. The MIDI data DB storage unit 35 and the MIDI data attribute information DB storage unit 36 are not limited to separate storage devices, and may be the same storage device.

  Here, the attribute information stored in the MIDI data attribute information DB storage unit 36 will be described with reference to the table of FIG. In the table of FIG. 2, one row is assigned to one piece of MIDI data. As attribute information of each MIDI data, information such as a melody ID, the number of measures, the number of sounds in the measure, a key, a composer ID, cited information, and a melody storage location are set.

  The melody ID is a number uniquely assigned to MIDI data. As the number of measures and the number of sounds in the measure, the number of measures analyzed by the sound number analysis unit 34 and the number of sounds in the measure (for each measure) are set. The key is set by the input unit 11 of the melody registration terminal 10 or the input unit 23 of the melody registration terminal 20, or the control unit 32 analyzes and sets the MIDI data transmitted from the melody registration terminals 10 and 20. The composer ID is set by specifying the composer ID from the composer ID included in the composer information transmitted from the melody registration terminals 10 and 20 or the ID when logging in to the management server 30.

  The cited information is information indicating how much the MIDI data has been used (cited), and the control unit 32 determines the number of times cited (number of times) and the ID of the user who used (cited) the MIDI data. Two pieces of information, i.e., a quoter ID group, which is information indicating the By setting such information, for example, MIDI data with a large number of citations has a high degree of popularity, so that the priority is increased during melody search, which will be described later, or the search result is displayed to the user. It can be displayed together with a certain melody.

  The melody storage location is information indicating the location of the MIDI data in the MIDI data DB storage unit 35 having the attribute information, and is set by the control unit 32 based on the MIDI data DB storage unit 35.

  The melody search unit 37 as a search unit sets search conditions based on the number information transmitted from the lyrics input terminal 40, and refers to the MIDI data attribute information DB storage unit 36 for the MIDI data that meets the search conditions. And search.

  The lyrics input terminal 40 includes a network communication unit 41, a control unit 42, a measure allocation analysis unit 43, a sound number analysis unit 44, an input unit 45, a display unit 46, a speaker 47, a player 48, and a decoding unit. The unit 49 and the arrangement unit 4a are provided.

  The network communication unit 41 performs wireless communication with the management server 30 to transmit sound number information and receive voice data converted from the retrieved MIDI data.

  The control unit 42 is responsible for overall control of the lyrics input terminal 40, and causes the sound number analysis unit 44 to analyze the number of words in the lyrics input from the input unit 45, or measure assignment analysis of the measure of the lyrics whose number has been analyzed The part 43 is analyzed.

  Further, the control unit 42 causes the decoding unit 49 to decode the audio data transmitted from the management server 30, causes the player 48 to reproduce the decoded audio data, and outputs the reproduced audio data to the speaker 47.

  The measure assignment analysis unit 43 assigns the lyrics (number of sounds) analyzed by the sound number analysis unit 44 described later to each measure. The allocation method will be described later. That is, the number of sounds extracted from the lyrics information is divided into a plurality of bars.

  The sound number analysis unit 44 analyzes the lyrics information input from the input unit 45 and extracts the number of sounds. As an analysis method, for example, natural language processing such as morphological analysis is performed. A specific example will be described with reference to FIG.

  Fig. 3 shows an example of analysis when the lyrics are entered: "Spring is good for Akebono. The gradual whitening of the mountain valley should be a little brighter and the purple cloud should be slender."

  As shown in FIG. 3, each syllable is obtained by dividing into words and morphemes. For example, if “Spring is good for Akebono,” it is divided into “Spring is”, “Akebono”, “Choga”, and “Good.” 5 sounds, 3 sounds, 2 sounds. This is repeated thereafter to obtain the number of sounds for the input lyrics.

  Next, a method of assigning the number of sounds in the measure unit performed by the measure assignment analysis unit 43 will be described with reference to FIG.

  4 in FIG. 4 indicates the number of sounds obtained from the lyrics shown in FIG. First, the number of sounds is divided into sentences (2 in FIG. 4). In other words, the number of sounds is divided into "Spring is good when Akebono is good." And "It is better that the mountain that gradually turns white is a little brighter and the purple cloud flutters."

  In each sentence, the number of sounds in one measure is set to a predetermined number, that is, 10 or less in the illustrated example (3 in FIG. 4). In this way, in the example shown in the figure, the first four bars are 8, 5, 7, 10, and the latter five bars are 9, 8, 6, 9, 2, and 2 sounds. .

  If the end of the lyrics does not fit in 4 bars, the number of sounds in the last 1 bar may be adjusted. In other words, as shown in 4 of FIG. 4, the last measure may be 11 notes, and only the last measure may not be matched with the definition of 10 notes.

  In the example of FIG. 4, the number of sounds in the bar is divided so that it becomes 4 bars or 5 bars. This is because, in the management server 30 described later, one MIDI data (melody information) is 4 bars or more. The reason for this is to save the number of measures, and to make it easy to search for the number of notes.

  The input unit 45 as a lyric input unit includes, for example, a keyboard, a mouse, a touch panel, and the like. The input unit 45 performs various operations such as input of lyrics information to be created and a selection operation when a result retrieved from the management server 30 is displayed on the display unit 46.

  The display unit 46 displays the audio data received from the management server 30. The display form may be a musical score form or a waveform. At this time, attribute information such as composer information may be displayed. In the case of a musical score form, a function for reversely converting voice data to MIDI data may be additionally provided. In other words, the search result is output as music (note information).

  The speaker 47 outputs sound data received from the management server 30 reproduced by the player 48 described later as sound. That is, the result searched by the search unit is output as music (music).

  The player 48 reproduces the audio data received from the management server 30 decoded by a decoder described later.

  The decoding unit 49 decodes the audio data received from the management server 30.

  The arrangement unit 4a performs an arrangement in which audio data received from the management server 30 is chorded and accompanied by an accompaniment according to a preset genre or tune.

  In the composition support apparatus 1 having the above-described configuration, the melody registration terminals 10 and 20 and the lyric input terminal 40 are shown only one each, but even if there are a plurality of them and they are connected to one management server 30. Of course, only one of the forms of the melody registration terminals 10 and 20 may be used.

  Next, the operation of the music composition support apparatus 1 configured as described above will be described with reference to the flowcharts shown in FIGS. These flowcharts are executed by the control unit 16, the control unit 32, and the control unit 42, respectively.

  First, operations of the melody registration terminals 10 and 20 and the management server 30 shown in FIG. 5 will be described. In step S11, a melody is created by the melody registration terminal 10 or 20, and the process proceeds to step S12. In the case of the melody registration terminal 10, a melody is generated from the input unit 11 and converted into MIDI data by the MIDI data generation / storage unit 14. In this case, the tempo and key are set from the input unit 11 by the user when the score is created.

  In the case of the melody registration terminal 20, a musical instrument performance, singing, or the like is input from the microphone 21, and it is recorded by the audio frequency analysis / score processing unit 22 and converted to MIDI data by the MIDI data generation / storage unit 14. In this case, the tempo is set by outputting a metronome count sound or the like when inputting from the microphone 21 and adjusting the count sound from the input unit 23 by the user. The key is set by the user through the input unit 23.

  In step S12, the MIDI data created in step S11 and the composer information 12 are uploaded to the management server 30.

  On the other hand, in step S21, the management server 30 determines whether or not there is melody registration from the melody registration terminal 10 or 20, and if there is (in the case of Y), the process proceeds to step S22, and if not (in the case of N). Wait in this step. That is, it is determined whether the MIDI data and the composer information 12 are uploaded from the melody registration terminal 10 or 20.

  In step S22, a melody is registered. That is, the MIDI data transmitted from the melody registration terminal 10 or 20 is stored in the MIDI data DB storage unit 35, the result of analyzing the MIDI data by the sound number analysis unit 34, composer information, etc. are shown in FIG. Such attribute information is stored in the MIDI data attribute information DB storage unit 36.

  Next, operations of the lyrics input terminal 40 and the management server 30 shown in FIG. 6 will be described. First, in step S31 as a lyrics input step, the lyrics are input from the input unit 45, and the process proceeds to step S32.

  Next, in step S32, the genre and tone of the music to be matched with the lyrics input from the input unit 45 are set, and the process proceeds to step S33. Note that this step may be skipped without specifying the genre or tune.

  Next, in step S33 as a sound number extraction step, the sound number analysis unit 44 analyzes the lyrics input in step S31 to extract the sound number, and the process proceeds to step S34.

  Next, in step S34, the measure allocation analysis unit 43 analyzes the number of sounds analyzed in step S33 to divide the measure, and the process proceeds to step S35. When executing this step, the number of sounds in one measure may be changed according to the genre and tone set in step S32.

  Next, in step S35, a search request is made to the management server 30, and the process proceeds to step S36. At the time of a search request, the number-of-measures sound information and the number of measures analyzed up to step S34 are transmitted.

  Here, the operation on the management server 30 side will be described. In step S41, the management server 30 determines whether or not there is a search request from the lyrics input terminal 40. If there is a search request (in the case of Y), the process proceeds to step S42; ) Is waiting.

  Next, in step S42 as a search process, the melody search unit 37 performs a search in response to the search request obtained in step S41, and the process proceeds to step S43.

  Here, the search operation will be described with reference to the flowchart shown in FIG. This flowchart is executed by the control unit 32. First, in step S51, melody information that matches the number of sounds of four measures is searched, and the process proceeds to step S52. In the present embodiment, the matching between the lyrics and the melody information is searched so as not to change the original melody information as much as possible. Therefore, in this embodiment, the search is performed with the number of sounds in units of four bars or more.

  The detailed operation of step S51 will be described with reference to the flowchart of FIG. This flowchart is executed by the control unit 32. First, in step S61, melody information that matches in large units is searched, and the process proceeds to step S62. For example, in the example shown in FIG. 4, the number of sounds in the input lyrics is 8 measures (or 9 measures) and 64 sounds, so that the melody information (MIDI data) matches the number of measures and the number of notes. Search for. That is, the entire input lyrics is an example of a large unit. In this way, assignment can be performed without changing the melody in units of input lyrics. Note that the number of measures and the number of sounds can be searched by referring to the items of the number of measures and the number of notes in the table of FIG.

  Next, in step S62, it is determined whether or not there is a matching melody information (MIDI data) as a result of step S61. If there is (in the case of Y), this flowchart is terminated. In the case), the process proceeds to step S63.

  Next, in step S63, the number of sounds is adjusted and searched, and the process proceeds to step S64. From this step onward, since the matching melody information is not searched as it is, the number of notes and the notes are adjusted. In this step, matching is performed by adjusting the number of sounds in the lyrics. For example, in spring, 3 sounds of (ha-ru-wa) are changed to 2 sounds by changing 1 sound to 4 sounds of ha-a-ru-wa and 5 sounds of ha-a-ru-u-wa. Search (increase the number of sounds in the lyrics) or increase the number of sounds assigned to one note from one to multiple (decrease the number of sounds in the lyrics).

  Next, in step S64, the notes in the melody information are adjusted and searched, and the process proceeds to step S65. In this step, for example, if the scale of the original melody information is Mi, Do, Mi, So, Do (increase the note), conversely, reduce two notes to one (note Decrease) search.

  Next, in step S65, the bar is divided and searched, and the process proceeds to step S66. The operation of this step will be described with reference to FIG. In FIG. 10, the number of sounds of the input lyrics is 4 bars, which are 8 sounds, 5 sounds, 7 sounds and 10 sounds, respectively (basic form). Here, only the first note of the first measure is set as a new first measure, and thereafter, the eight, five, seven, and nine note measures are sequentially continued. That is, the first note of each measure slides as the last note of the previous measure. Since the last measure has no next measure, the number of sounds decreases (search modification 1). Conversely, the last note of the last measure is changed to another measure, and the last note of each measure slides as the first note of the subsequent measure. Since the first measure has no previous measure, the number of sounds decreases (search modification 2).

  In the case of step S65, one measure may be simply divided without sliding.

  Next, in step S66, it is determined whether or not there is a matching melody information (MIDI data) as a result of steps S63 to S65. If there is a match (in the case of Y), the process proceeds to step S67. In the case of), the process proceeds to step S68.

  Next, in step S67, as a result of steps S63 to S65, melody information with a small change from the original is selected for the number of lyrics or the melody. Therefore, the results of steps S63 to S65 are held until this step.

  On the other hand, in step S68, it is determined whether or not the unit of the searched lyrics is the minimum unit. If it is the minimum unit, this flowchart is terminated, and if it is not the minimum unit, the process proceeds to step S69. The minimum unit indicates the minimum unit (four measures in this embodiment) of the MIDI data stored in the MIDI data DB storage unit 35, and it is determined whether or not the search unit can be reduced in step S59 described later. ing.

  Next, in step S69, the search unit is decreased and the search is performed, and the process returns to step S62. In this step, melody information that matches again is searched by reducing the number of measures that have been searched so far. For example, if there is no matching melody information with 64 measures of 8 measures (or 9 measures), for example, the search is performed with the number of sounds of 4 measures from the beginning. The number of measures after the reduction is not limited to four measures. For example, if there is no melody information that matches in the search for 20 measures, the number of measures stored in the MIDI data DB storage unit 35, such as 16 measures or 12 measures. The number of bars in the next smallest unit may be used.

  Returning to the flowchart of FIG. 7, in step S52, it is determined whether or not there is a melody information (MIDI data) that matches as a result of step S51. If there is a melody information (in the case of Y), the process proceeds to step S53. In the case (N), the process proceeds to step S56.

  Next, in step S53, melody information whose number of sounds matches for each measure is searched, and the process proceeds to step S54. The detailed operation of step S54 will be described with reference to the flowchart of FIG. This flowchart is executed by the control unit 32. First, in step S71, matching melody information is searched and the process proceeds to step S72. In this step, as described above, melody information whose number of sounds matches for each measure is searched. In other words, if the number of sounds of 30 is 4 bars of 8 sounds, 5 sounds, 7 sounds and 10 sounds, each bar composed of 4 bars is 8 sounds, 5 sounds, 7 sounds and 10 sounds. The melody information matches the MIDI data.

  Next, in step S72, it is determined whether or not there is a matching melody information (MIDI data) as a result of step S71. If there is a match (in the case of Y), this flowchart is terminated. In the case), the process proceeds to step S73.

  Next, in step S73, the number of sounds is adjusted and searched, and the process proceeds to step S74. In this step, matching is performed by adjusting the number of words in the lyrics as in step S63 of FIG.

  Next, in step S74, the notes in the melody information are adjusted and searched, and the process proceeds to step S75. In this step, as in step S64 in FIG. 8, the search is performed by increasing the note or decreasing the note.

  Next, in step S75, the bar is divided and searched, and the process proceeds to step S76. In this step, as in step S65 in FIG. 8, the search is performed by sliding the first or last sound of the measure or simply dividing it.

  Next, in step S77, as a result of steps S73 to S75, melody information with a small change from the original is selected for the number of melody or melody, and this flowchart is ended. Therefore, the results of steps S73 to S75 are held until this step. Note that if there is no matching melody information as a result of steps S73 to S75, the process is terminated via this step.

  Returning to the flowchart of FIG. 7, in step S54, it is determined whether or not there is melody information that matches as a result of step S53, and if there is (in the case of Y), the process proceeds to step S55. In case), the process proceeds to step S56. That is, in steps S51 to S54, the melody information is searched based on the number of sounds in each measure in predetermined measures.

  Next, in step S55, it is determined whether or not the search has been completed for all input lyrics. If all the lyrics have been completed (in the case of Y), the search operation is terminated, and if all have not been completed (in the case of N). ) Returns to Step S51. As returning to this step S51, when the search unit is reduced in step S51, it is repeated for the remaining bars. In this search operation, there may be a plurality of search results instead of one. For example, when phrases A and B are searched as melody information of 4 bars and phrases C and D are searched as melody information of 5 bars, 4 combinations are output as search results for 9 bars of lyrics. You may do it.

  On the other hand, in step S56, since no matching melody information is found as a result of the search, information indicating that there is no matching melody is transmitted to the lyrics input terminal 40 in a later-described step as a search result.

  In the flowcharts of FIGS. 7, 8 and 9, the search operation is performed on the attribute information DB storage unit 36 of the MIDI data, but the search is directly performed on the MIDI data DB storage unit 35. Also good. When a search operation is performed on the attribute information DB storage unit 36 for MIDI data, the corresponding MIDI data is stored from the MIDI data DB storage unit 35 with reference to the melody storage location in FIG. Read the data.

  8 and 9, the steps S63 (S73) to S65 (S75) are all performed, but only one or two of them may be performed, and the order of execution is also illustrated. The order may not be the same.

  Returning to the flowchart of FIG. 6, the key of the melody information searched in step S43 is matched, and the process proceeds to step S44. In the case where a plurality of pieces of melody information are combined as a result of step S42, this is matched with the key of the top melody information in this embodiment. The second and subsequent melody information connected to the first melody information changes the pitch of the entire sound so that the key of the second melody information matches the key of the first melody information. That is, the control unit 32 functions as a key adjustment unit that adjusts key information included in melody information other than the predetermined melody based on key information included in the searched predetermined melody information. If there is only one melody information searched or there is no melody information searched, nothing is done in this step and the process proceeds to the next step.

  Next, in step S44, the search result is transmitted. The MIDI data searched by the melody search unit 37 is encoded into audio data by the audio data encoding unit 33 and transmitted to the lyrics input terminal 40. At this time, attribute information (such as composer information and cited information) of the MIDI data may be transmitted.

  Next, in step S36 of the lyrics input terminal 40, it is determined whether or not a search result has been received from the management server 30, and if received (in the case of Y), the process proceeds to step S37. If).

  Next, in step S37 as a music output step, the search result is displayed and the process proceeds to step S38. As shown in FIG. 11, the search result is displayed on the display unit 46 with lyrics and a plurality of melody candidates as musical scores, and is selected by the user or the like. At this time, the audio data may be output and confirmed by the decoding unit 49, the player 48, and the speaker 47. That is, the search result is output as music.

  Next, in step S38, the arrangement unit 4a arranges the melody selected in step S37. Note that the arrangement may be terminated only by displaying the search result without performing the arrangement. However, by arranging, it is possible to relieve a change in sound and a sense of incongruity caused by connecting a plurality of pieces of melody information.

  According to the present embodiment, the number of sounds is extracted by the sound number analysis unit 44 from the lyrics input from the input unit 45 of the lyrics input terminal 40, the number of sounds is assigned to the measure by the measure assignment analysis unit 43, and the management server 30. Sending to. In the management server 30, the MIDI data matching the number of sounds transmitted from the lyrics input terminal 40 in units of a plurality of measures such as 4 measures in the melody search unit 37 is referred to the attribute information from the MIDI data DB storage unit 35. The retrieved MIDI data is converted into audio data by the audio data encoding unit 33 and transmitted to the lyrics input terminal 40. Then, the lyrics input terminal 40 displays the voice data transmitted from the management server 30 on the display unit 46 or outputs it as voice. Since it is configured in this way, MIDI data matching the lyrics can be selected and combined from MIDI data created by different users stored in the MIDI data DB storage unit 35, and composition can be easily performed. It can be carried out. In addition, since MIDI data is created by multiple users, and the MIDI data is searched only by the number of sounds, it is possible to compose music by combining multiple MIDI data. You can compose a variety of music rather than generation.

  Further, since the melody search unit 37 of the management server 30 searches based on the number of measures and the number of sounds in the measure, it is easier to search for MIDI data than a search using only the number of sounds extracted from the lyrics. Can be easily squeezed.

  Further, since the melody search unit 37 performs the search by increasing or decreasing the number of sounds transmitted from the lyrics input terminal 40, the MIDI data to be searched can be increased, and the composition range can be expanded. Can do.

  In addition, since the melody search unit 37 searches by increasing or decreasing the notes of the MIDI data stored in the MIDI data DB storage unit 35, the width of the song can be widened. Further, it is possible to increase the possibility that MIDI data is searched when it is difficult to change the number of sounds or when searching is not performed even when the number of sounds is changed.

  In addition, since the melody search unit 37 divides the bars and slides the sound into the divided bars to perform the search, it is possible to widen the search conditions and the composition range.

  Further, since the control unit 32 of the management server 30 adjusts the key of the other MIDI data in accordance with the key of the first MIDI data, it is possible to alleviate the uncomfortable feeling of connection when combining a plurality of MIDI data. .

  In the embodiment described above, the number of sounds is analyzed by the lyrics input terminal 40, but the lyrics information may be transmitted to the management server 30 and the number of sounds may be analyzed by the management server 30. In addition, the lyrics input terminal 40 may change the number of sounds for a search (steps S63, S65, etc.) that changes the condition related to the number of sounds during melody search.

  Further, MIDI data is encoded and transmitted as audio data as a search result transmitted to the lyrics input terminal 40. However, MIDI data may be transmitted and converted into audio data as needed by the lyrics input terminal 40. .

  Next, a music composition support apparatus according to a second embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  The configuration shown in FIG. 12 is the same as that of the first embodiment in the lyrics input terminal 40, but in order to generate the melody MIDI data input by the management server 30, The configuration of the server 30 is different.

  The melody registration terminal 20 ′ according to the present embodiment includes composer information 12, a score display unit 13, a speaker 15, a control unit 16, a network communication unit 17, a microphone 21, and an input unit 23. ing. That is, the MIDI data generation / storage unit 14 and the audio frequency analysis / musical transcription processing unit 22 are deleted from the melody registration terminal 20 shown in FIG. That is, the melody input from the microphone 21 is converted into a predetermined audio signal and transmitted from the network communication unit 17 to the management server 30 ′.

  The management server 30 'according to the present embodiment includes a network communication unit 31, a control unit 32, an audio data encoding unit 33, a sound number analysis unit 34, a MIDI data DB storage unit 35, and an attribute information DB of MIDI data. A storage unit 36, a melody search unit 37, an audio frequency analysis / musical transcription processing unit 38, a key / time signature determination unit 39, and a MIDI data generation unit 3a are provided. That is, an audio frequency analysis / music transcription processing unit 38, a key / time signature determination unit 39, and a MIDI data generation unit 3a are added to the management server 30 'shown in FIG.

  The voice frequency analysis / music transcription processing unit 38 performs frequency analysis on the voice signal (melody information) transmitted from the melody registration terminal 20 ′, detects the pitch of the sound, and performs a music transcription process that applies it to a note, a rest, or the like. .

  The key / time signature determination unit 39 outputs the tempo used as a reference when inputting a melody to the melody registration terminal 20 ′, and determines the time signature of the audio signal (melody information) transmitted from the melody registration terminal 20 ′. The key is also determined.

  The MIDI data generation unit 3 a generates MIDI data for the result of the audio frequency analysis / musical transcription processing unit 22.

  Next, operations of the melody registration terminal 20 ′ and the management server 30 according to the present embodiment will be described with reference to the flowchart of FIG. The flowchart of FIG. 13 is also executed by the control unit 16 and the control unit 32. First, in step S81, a melody is created by the melody registration terminal 20 ′, and the process proceeds to step S82. At this time, when a tempo is requested from the management server 30 ′, a tempo signal is input and output from the speaker 15 as a metronome sound. And a musical instrument performance, a song, etc. are input from the microphone 21, and a melody is created.

Next, in step S82, the melody created in step S81 is converted into an audio signal by the control unit 32 and transmitted (uploaded) from the network communication unit 17 to the management server 30 ′. At this time, composer information 12 is also transmitted.

  On the other hand, in step S91, it is determined whether or not there is a tempo request from the melody registration terminal 20 ′. If there is a tempo request (in the case of Y), the process proceeds to step S92. .

  Next, in step S92, a tempo signal is output to the melody registration terminal 20 ′, and the process proceeds to step S93.

  Next, in step S93, it is determined whether or not a voice signal (melody information) is input from the melody registration terminal 20 '. If input (in the case of Y), the process proceeds to step S94, and if not input (in N) If).

  Next, in step S94, the voice signal transmitted from the melody registration terminal 20 'is scored by the voice frequency analysis / music transcription processing unit 38, the key is determined by the key / time signature determination unit 39, and the MIDI data generation unit 3a is used. The data is converted to MIDI data and the process proceeds to step S95. In this step, attribute information as shown in FIG. 2 is also generated.

  In step S95, the MIDI data converted in step S94 is registered and stored in the MIDI data DB storage unit, and the attribute information is registered and stored in the MIDI data attribute information DB storage unit 36.

  The operations of the lyrics input terminal 40 and the management server 30 'are the same as in the first embodiment. In FIG. 12, only the melody registration terminal 20 ′ is shown for melody registration, but the melody registration terminals 10 and 20 shown in the first embodiment may be mixed. In this case, for example, information for switching whether or not conversion into MIDI data is necessary or not may be transmitted from the terminal side to the management server 30 ′.

  According to the present embodiment, since the management server 30 'converts the melody into MIDI data, the melody registration terminal 20' does not need a function for creating MIDI data, and the melody registration terminal 20 'performs processing. This is possible even if the ability is low.

  In the two embodiments described above, the melody registration terminals 10, 20, 20 ′ and the lyrics input terminal 40 are shown as separate terminals. However, the melody registration terminals 10, 20, 20 ′ are terminals having both the functions of the melody registration terminal and the lyrics input terminal. May be.

  Moreover, it is good also as a form which has all the functions of the melody registration terminal, the lyrics input terminal, and the management server. Specifically, for example, a personal computer or the like is provided with the functions of each terminal or server, and lyrics input from a keyboard or the like are searched for, for example, MIDI data in a hard disk and displayed on a display or output from a speaker. . Further, MIDI data may be periodically input from the outside via a network, or may be input by an optical disk, a memory card, or the like.

  In the above-described two embodiments, the number of sounds is extracted from the lyrics information, and the search is performed by matching with the number of sounds of MIDI data. However, the matching is performed by the number of kana characters in the lyrics and the number of notes in the MIDI data. You may make it perform. For example, “spring is” is searched as three characters “haruha”.

  In the above-described two embodiments, the melody registration terminal inputs melody, but the MIDI data is created by another device or the like, and the melody registration terminal stores the MIDI data and composer information in the management server 30. Just upload to. Further, the melody information is not limited to MIDI data, but may be in other formats as long as it is data that can analyze the number of notes and note information.

  Moreover, the present invention can be configured as a music composition support program by configuring the above-described flowcharts of FIGS. 5 to 9 as programs that run on a computer. That is, the function of each terminal may be configured as a melody registration program or a lyrics input program, and the function of the management server 30 may be configured as a management server program (or melody search program). In this case, the input unit, the speaker, the display, and the like correspond to the interface portion to each.

  According to the embodiment described above, the following composition support device 1, composition support method, lyrics input terminal 40, and management server 30 are obtained.

(Supplementary Note 1) A MIDI data DB storage unit 35 for storing a plurality of MIDI data created by a plurality of creators;
An input unit 45 for inputting lyrics information;
A melody search unit 37 for searching for MIDI data stored in the MIDI data DB storage unit 35 based on the lyrics information input to the input unit 45;
A display unit 46 for outputting the result searched by the melody search unit 37 as a song, a speaker 47,
A music composition support apparatus 1 comprising:

(Supplementary note 2) A composition support method for supporting composition of music in accordance with lyrics based on a plurality of MIDI data created by a plurality of creators stored in a MIDI data DB storage unit 35,
Step S31 for inputting lyrics information;
Step S42 for searching the MIDI data stored in the MIDI data DB storage unit 35 based on the lyrics information input in Step S31;
Outputting the MIDI data retrieved in step S42;
A composition support method characterized by including:

(Additional remark 3) The input part 45 into which lyrics information is input,
Search for MIDI data based on the lyrics information input by the input unit 45 from a plurality of MIDI data input by a plurality of creators stored in the management server 30 unit, and search including the searched MIDI data A control unit 42 for obtaining a result;
A lyric input terminal 40 characterized by comprising:

  According to the music composition support apparatus 1, the music composition support method, and the lyrics input terminal, MIDI data suitable for the lyrics can be selected from the MIDI data stored in the MIDI data DB storage unit 35 (management server 30). Can compose music. In addition, since only the number of sounds is searched from the MIDI data stored in the MIDI data DB storage unit 35, it is possible to compose a variety of music without being restricted by the pronunciation of the lyrics.

(Supplementary Note 4) A MIDI data DB storage unit 35 for storing a plurality of MIDI data input by a plurality of creators;
A network communication unit 31 for receiving lyrics information;
A melody search unit 37 that searches for MIDI data stored in the MIDI data DB storage unit 35 based on the lyrics information received by the network communication unit 31;
A network communication unit 31 for outputting a result searched by the melody search unit 37;
A management server 30 comprising:

  According to the management server 30, the melody information is searched based on the number of sounds input by the search unit, and the search result output unit outputs the result of the search, so the number of sounds is calculated from the melody information stored in the storage unit. You can search for melody information that suits your needs.

  In addition, the Example mentioned above only showed the typical form of this invention, and this invention is not limited to an Example. That is, various modifications can be made without departing from the scope of the present invention.

1 Composition Support Device 10 Melody Registration Terminal 20 Melody Registration Terminal 30 Management Server (Melody Search Device)
31 Network communication unit (lyrics information receiving unit, search result output unit)
32 Control unit (key adjustment unit)
35 MIDI data DB storage (storage)
37 Melody search part (search part)
40 Lyric input terminal 42 Control unit (melody information acquisition unit)
44 Number analysis unit (Number extraction unit)
45 Input section (lyric input section)
46 Display section (music output section)
47 Speaker (music output unit)
S31 Lyric input (lyric input process)
S33 Sound acquisition (sound extraction process)
S37 Search result display (music output process)
S42 Search (search process)

Claims (7)

An input unit for inputting a melody sound;
A composer that composes music based on the melody sound input to the input unit;
With
The music composition support apparatus, wherein the music composition unit composes music based on a set genre and music tone and the number of measures of the melody sound.   The composition support apparatus according to claim 1, wherein the melody sound includes at least one of a song performed by a user, a nose song, or a performance using a musical instrument.   The music composition support apparatus according to claim 1, further comprising a score display unit that displays the melody sound on a staff.   The music composition support apparatus according to any one of claims 1 to 3, further comprising a network communication unit that converts the melody sound into an audio signal and uploads the sound signal. A composition support method executed by a composition support apparatus,
An input process for inputting a melody sound;
Composing based on the melody sound input in the input step;
Including
The composition support method, wherein the composition step performs composition based on a set genre and composition and the number of measures of the melody sound.   6. A music composition support program that causes a computer to execute the music composition support method according to claim 5.   A computer-readable recording medium storing the composition support program according to claim 6.

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