CN113096624B - Automatic creation method, device, equipment and storage medium for symphony music - Google Patents
Automatic creation method, device, equipment and storage medium for symphony music Download PDFInfo
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Abstract
The invention relates to the technical field of artificial intelligence, in particular to an automatic creation method, device and equipment of symphony music and a storage medium, which are used for realizing automatic creation of symphony music. The automatic creation method of the symphony music comprises the following steps: acquiring initial information of the symphony music to be created, generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the initial information, and combining the fragment units to obtain a plurality of music fragments; according to a segment recommendation algorithm in the sound effect feedback system, calculating the splicing integrity of different types of segments in the plurality of music segments, selecting N music segments with higher splicing integrity from each type of segments, pushing the N music segments to a user, determining one music segment from each type of segments according to the selection of the user, and carrying out transformation processing on the determined music segments to obtain symphony music. Thereby realizing automatic creation of the symphony music of the complete structure meeting the user's requirements.
Description
Technical Field
The invention relates to the technical field of artificial intelligence, in particular to an automatic creation method, device and equipment of symphony music and a storage medium.
Background
Music is an indispensable part of life of people, and has application in life aspects. In recent years, along with the change of life development of people, symphony music has been used for playing in concert, such as games and video soundtracks.
However, in a large-scale orchestra musical composition including a plurality of music pieces, the music pieces are strict in curved structure, the number of the sound parts is large, the labor is wasted when the music pieces are created manually, and the selection of musical instruments is complicated when the music pieces are created. Most of the existing automatic composing technologies are automatic composing of single melodies or generating of second sound parts, and there is no automatic composing method capable of generating complete melodies according to the composing requirements.
Disclosure of Invention
The invention mainly aims to solve the technical problems that the music created by the existing automatic music creation technology is difficult to automatically create according to the requirements of users and the creation integrity is low.
The first aspect of the present invention provides an automatic creation method of a symphony music, comprising:
acquiring initial information of a symphony music piece to be composed, wherein the initial information comprises a curved structure of the symphony music piece and basic parameters of the symphony music piece, and the curved structure is determined based on the type of the symphony music piece;
Generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the fragment units to obtain a plurality of music fragments, wherein the fragment units comprise a plurality of note sequences with tones;
calculating the splicing integrity among different types of fragments in the plurality of music fragments according to a fragment recommendation algorithm in the sound effect feedback system, and selecting N music fragments with higher splicing integrity from each type of fragments based on the splicing integrity to push to a client used by a user;
and determining a music piece from each type of piece according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music.
Optionally, in a first implementation manner of the first aspect of the present invention, the basic parameters include rhythm design data and a pitch span range, and generating, according to the basic parameters, a plurality of corresponding segment units of the symphony music piece by using a preset music piece generation algorithm, and combining the plurality of segment units, so as to obtain a plurality of music pieces includes:
Generating a rhythm segment by utilizing a rhythm generation algorithm in the music segment generation algorithm according to the rhythm design data, wherein the rhythm segment comprises a plurality of note sequences;
and according to the pitch span range, performing tone adjustment processing on the rhythm segment by using a tone generation algorithm in the music segment generation algorithm to obtain a segment unit.
Optionally, in a second implementation manner of the first aspect of the present invention, the generating, according to the rhythm design data, a rhythm segment by using a rhythm generation algorithm in the music segment generation algorithm includes:
according to the rhythm cell design parameters of the single rhythm in the rhythm design data, the notes are combined to obtain a plurality of rhythm cells, wherein the rhythm cells at least comprise the following four types of cells: one beat of cells, two beats of cells, three beats of cells and four beats of cells;
and selecting at least two cells from the four types of cells to be combined arbitrarily according to the single-segment rhythm value in the rhythm design data, so as to generate rhythm fragments.
Optionally, in a third implementation manner of the first aspect of the present invention, the performing, according to the pitch span range, a tone adjustment process on the rhythm segment by using a tone generation algorithm in the music piece generation algorithm, where obtaining a segment unit includes:
And according to the pitch span range, the tone of each note sequence in the rhythm segment is adjusted by the processing modes of chord decomposition, continuous progressive, detouring up and down and turning back up and down to obtain a segment unit.
Optionally, in a fourth implementation manner of the first aspect of the present invention, generating, according to the basic parameter, a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm, and combining the plurality of fragment units, so as to obtain a plurality of music fragments includes:
superposing the plurality of segment units according to the basic parameters to obtain segment units of the multi-sound part;
and splicing the multi-sound part segment units to obtain a plurality of music segments.
Optionally, in a fifth implementation manner of the first aspect of the present invention, before the acquiring initial information of the symphony music to be authored, the method further includes:
obtaining the music information of the existing symphony music, and forming the music information into a music training set, wherein the music information comprises a music score;
and training the deep learning algorithm by using the music training set to obtain a segment recommendation algorithm.
Optionally, in a sixth implementation manner of the first aspect of the present invention, the determining a piece of music from each type of piece according to a selection of a user, and performing a transformation process on the determined piece of music, to obtain the symphony music includes:
Directly repeating, changing the adapter or repeating the change of the complex tone to the determined music piece to obtain a changed music piece;
and splicing the determined music piece and the changed music piece to obtain the symphony music.
A second aspect of the present invention provides an automatic creation apparatus for a symphony music, comprising:
the system comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring initial information of a symphony music to be created, wherein the initial information comprises a curved structure of the symphony music and basic parameters of the symphony music, and the curved structure is determined based on the type of the symphony music;
the music piece generation module is used for generating a plurality of corresponding piece units of the symphony music by utilizing a preset music piece generation algorithm according to the basic parameters, and combining the plurality of piece units to obtain a plurality of music pieces, wherein the piece units are a plurality of note sequences with tones;
the feedback module is used for calculating the splicing integrity among different types of fragments in the plurality of music fragments according to a fragment recommendation algorithm in the sound effect feedback system, and selecting N music fragments with higher splicing integrity from each type of fragments based on the splicing integrity to push to a client used by a user;
And the music output module is used for determining one music fragment from each type of fragments according to the selection of a user and carrying out transformation processing on the determined music fragment to obtain the symphony music.
Optionally, in a first implementation manner of the second aspect of the present invention, the music piece generating module includes:
the rhythm generation unit is used for generating rhythm fragments by utilizing a rhythm generation algorithm in the music fragment generation algorithm according to the rhythm design data, wherein the rhythm fragments comprise a plurality of note sequences;
and according to the pitch span range, performing tone adjustment processing on the rhythm segment by using a tone generation algorithm in the music segment generation algorithm to obtain a segment unit.
Optionally, in a second implementation manner of the second aspect of the present invention, the cadence generating unit includes:
the rhythm cell combination subunit is used for combining the notes according to the rhythm cell design parameters of the single rhythm in the rhythm design data to obtain a plurality of rhythm cells, wherein the rhythm cells at least comprise the following four types of cells: one beat of cells, two beats of cells, three beats of cells and four beats of cells;
And the rhythm segment generation subunit is used for selecting at least two cells from the four types of cells to be combined arbitrarily according to the single-section rhythm value in the rhythm design data to generate rhythm segments.
Optionally, in a third implementation manner of the second aspect of the present invention, the tone generating unit is specifically configured to obtain a segment unit by adjusting a tone of each note sequence in the rhythm segment according to the pitch span range through a processing manner of decomposing a chord, continuously progressive, detouring up and down, and turning back up and down.
Optionally, in a fourth implementation manner of the second aspect of the present invention, the music piece generating module includes:
the sound part generating unit is used for superposing the plurality of fragment units according to the basic parameters to obtain fragment units of the multi-sound part;
and the music piece generating unit is used for splicing the multi-sound part segment units to obtain a plurality of music pieces.
Optionally, in a fifth implementation manner of the second aspect of the present invention, the feedback module further includes:
the system comprises a fragment recommendation algorithm unit, a music processing unit and a music processing unit, wherein the fragment recommendation algorithm unit is used for acquiring the music information of the existing symphony music and forming the music information into a music training set, and the music information comprises a music spectrum; training a deep learning algorithm by utilizing the music training set to obtain a segment recommendation algorithm;
And the feedback unit is used for selecting N pieces of music with higher splicing integrity from each type of pieces based on the splicing integrity calculated by the piece recommendation algorithm unit and pushing the N pieces of music with higher splicing integrity to a client used by a user.
Optionally, in a sixth implementation manner of the second aspect of the present invention, the music output module includes:
the fragment change unit is used for directly repeating, changing the adapter or repeating the change of the determined music fragment to obtain a changed music fragment;
and the splicing unit is used for splicing the determined music piece and the changed music piece to obtain the symphony music.
A third aspect of the present invention provides an automatic creation apparatus for a symphony music, comprising: a memory and at least one processor, the memory having instructions stored therein; the at least one processor invokes the instructions in the memory to cause the symphony music automatic composition apparatus to perform the symphony music automatic composition method described above.
A fourth aspect of the present invention provides a computer-readable storage medium having instructions stored therein, which when run on a computer, cause the computer to perform the above-described method of automatic creation of an symphony musical composition.
In the technical scheme provided by the invention, the automatic creation method of the symphony music comprises the following steps: acquiring initial information of a symphony music piece to be created, wherein the initial information comprises a curved structure of the symphony music piece and basic parameters of the symphony music piece, and the curved structure is determined based on the type of the symphony music piece; generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the fragment units to obtain a plurality of music fragments, wherein the fragment units are a plurality of note sequences with tones; according to a segment recommendation algorithm in the sound effect feedback system, calculating splicing integrity among different types of segments in the plurality of music segments, and selecting N music segments with higher splicing integrity from each type of segments based on the splicing integrity to push to a client used by a user; and determining a music piece from each type of piece according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music. The method can automatically generate the symphony music with complete structure which accords with psychological expectation of the user according to the authoring requirements of the user.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an automatic creation method of a symphony music piece according to an embodiment of the invention;
FIG. 2 is a schematic diagram of another embodiment of an automatic creation method of a symphony music piece according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a segment of a rhythm segment generated in an embodiment of the present invention;
FIG. 4 is a schematic diagram of another embodiment of an automatic creation method of a symphony music piece according to an embodiment of the invention;
FIG. 5 is a schematic diagram of another embodiment of an automatic creation method of a symphony music piece according to an embodiment of the invention;
FIG. 6 is a schematic diagram of morphological categories of rhythmic cells according to an embodiment of the invention;
FIG. 7 is a schematic view of an embodiment of an automatic creation apparatus for a symphony music piece according to an embodiment of the present invention;
FIG. 8 is a schematic view of another embodiment of an automatic creation apparatus for a symphony music according to an embodiment of the invention;
fig. 9 is a schematic view of an embodiment of an automatic creation apparatus of a symphony music in an embodiment of the invention.
Detailed Description
The embodiment of the invention provides a method, a device, equipment and a storage medium for automatically creating symphony music, which are used for realizing automatic creation of symphony music. The method can automatically generate the symphony music with complete structure which accords with psychological expectation of the user according to the authoring requirements of the user.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
For easy understanding, the following describes a specific flow of an embodiment of the present invention, referring to fig. 1, and an embodiment of an automatic creation method of a symphony music according to an embodiment of the present invention includes:
101. acquiring a curved structure of the symphony music and basic parameters of the symphony music in initial information of the symphony music to be created;
It is to be understood that the execution subject of the present invention may be an automatic creation apparatus of a symphony music, or may be a terminal or a server, which is not limited herein. The embodiment of the invention is described by taking a server as an execution main body as an example.
In this step, initial information of the symphony to be composed is acquired through interaction with the user, the initial information including a curved structure and basic parameters of the symphony music, wherein the curved structure is determined based on the type of the symphony music.
In the following, the steps in this embodiment will be described by taking a specific symphony creation process as an example, and initial information of a symphony musical composition to be created is obtained through input or selection by a user, where the initial information includes a melody structure of the musical composition and basic parameters of the symphony musical composition, and the basic parameters include information such as an emotion style of the musical composition, a tempo, and a length of each melody structure portion of the symphony musical composition. For example, when the symphony pattern that the user needs to create is a music playing pattern, the music playing pattern is selected from the interfaces such as software or web pages provided in the present embodiment, and information such as emotion style and beat speed that the user needs to create at present is input or selected. Wherein, the emotion styles comprise generous, relaxed and relaxed, depression and the like; beat speed includes fast plate, medium plate, slow plate, etc. The length information of each curved structure portion includes the number of bars of each curved structure. Further, the user needs to select the length of each of the three parts, that is, the number of the sections to be created, continuously because the playing mode includes three parts, i.e., a presentation part, an expansion part, and a reproduction part.
102. Generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the fragment units to obtain a plurality of music fragments;
and generating a plurality of fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters acquired in the previous step, wherein the fragment units comprise a plurality of note sequences with tones.
Taking a music playing mode as an example, firstly, a section of the presenting part is generated, and the music generation algorithm can automatically generate the section related to the basic parameter information according to the basic parameter information such as emotion style, beat speed and the like of the music.
Specifically, the music generation algorithm needs to generate the rhythm and tone for the segment unit according to the obtained basic parameters. The length of the segment units generated at a time can be one bar or several bars according to basic parameter requirements. The segment units comprise rhythm segments with the same rhythm and pitch but different musical instruments used for playing or the same rhythm and pitch and changed musical instruments used for playing. After obtaining the plurality of segment units, combining the plurality of segment units, specifically, combining and splicing further includes overlapping and splicing, and combining to obtain a plurality of music segments generated for the presenting part.
103. According to a segment recommendation algorithm in the sound effect feedback system, calculating splicing integrity among different types of segments in the plurality of music segments, and selecting N music segments with higher splicing integrity from each type of segments based on the splicing integrity to push to a client used by a user;
after the plurality of the music pieces generated by the presenting part are obtained, the obtained plurality of the music pieces are identified by using a pre-trained piece recommendation algorithm, and the splicing integrity among the piece units in each music piece is calculated. The splicing integrity between each segment unit comprises whether the parts connected between the segment units are well connected, and no mutation of pitch, adapter or the like exists.
And arranging the music fragments according to the splicing integrity by utilizing the splicing integrity calculated by the fragment recommendation algorithm, generating the listening test audio of the music fragments with the splicing integrity arranged at the front N positions, and pushing the listening test audio to a client used by a user according to the sequence of the splicing integrity so as to facilitate the user to select according to the scoring of the splicing integrity and the listening test audio.
104. And determining a music piece from each type of piece according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music.
After the user selects a piece of music based on scoring of the splice integrity and listening audio, a certain piece of music is obtained, that is to say, the authoring for the presentation has been completed at this time.
According to the characteristics of the music playing, the presenting part, the unfolding part and the reproducing part have the same or similar parts as those of the presenting part, so that the music piece selected and the music piece obtained after the conversion treatment can be spliced according to the created presenting part to obtain the complete symphony music. Then, the output of music spectrum and symphony music audio can be performed by the selection of the user.
In the embodiment of the invention, the acquired initial information of the symphony music to be created is used for automatically generating the symphony music which accords with the psychological expectation of the user and has complete curved structure.
Referring to fig. 2 and 3, another embodiment of the automatic creation method of a symphony music according to an embodiment of the invention includes:
201. acquiring a curved structure of the symphony music and basic parameters of the symphony music in initial information of the symphony music to be created;
wherein the curved structure is determined based on the type of the symphony music; the steps in this embodiment are described by taking a specific symphony creation process as an example, and initial information of a symphony music to be created is obtained through input or selection of a user, where the initial information includes a melody structure of the music and basic parameters of the symphony music, and the basic parameters further include information such as an emotion style of the music, a beat speed, and lengths of respective melody structure portions of the symphony music. For example, when the symphony pattern that the user needs to create is a music playing pattern, the music playing pattern is selected from the interfaces such as software or web pages provided in the present embodiment, and information such as emotion style and beat speed that the user needs to create at present is input or selected. Wherein, the emotion styles comprise generous, relaxed and relaxed, depression and the like; beat speed includes fast plate, medium plate, slow plate, etc.
The length information of each curved structure portion includes the number of the sections of each curved structure, and the number of the sections included in different length information is also different. Further, the user needs to select the length of each of the three parts, that is, the number of the sections to be created, continuously because the playing mode includes three parts, i.e., a presentation part, an expansion part, and a reproduction part.
Further, the user may input or select the tempo design data and a pitch span range in this step, wherein the pitch span range may be a range of a gamut in a symphony musical piece to be composed; therefore, the demand style of the user is better determined, and the generated symphony music in the embodiment can be closer to the psychological expectation of the user.
202. Generating a rhythm segment by utilizing a rhythm generation algorithm in the music segment generation algorithm according to the rhythm design data;
first, a rhythm generation algorithm is established, wherein the rhythm generation algorithm is an algorithm for generating a rhythm according to rhythm design data acquired in step 201. The rhythm design data comprises information of rhythm types which the user wants to generate, duration corresponding to the duration value of the holo note and the like.
In a specific operation, firstly, the notes are subjected to rhythm coding according to the difference of the time values, and the specific coding correspondence is shown in the following table 1:
Table 1 rhythm encoding table
| Note type | Corresponding code |
| Full note | 16 |
| Two-note with points | 12 |
| Binary note | 8 |
| Four-quarter note with points | 6 |
| Quarter notes | 4 |
| Octave note | 2 |
| Sixteen notes | 1 |
Taking a music playing mode as an example, firstly, generating a rhythm segment in a segment unit on the part of the presenting part according to rhythm design data, wherein the rhythm generation algorithm can generate a rhythm segment which accords with psychological expectation of a user by utilizing codes according to information requirements of information of the rhythm to be generated, duration corresponding to a duration value of a whole note and the like, and the length of the rhythm segment generated each time can be one segment or a plurality of segments. Specifically, if the user needs to generate a segment of tempo with evenly-divided pitch values, the generation of the tempo is performed by using the tempo code according to the obtained tempo design data, and specifically, a segment of tempo segment with the tempo code [2,2,2,2,2,2,4] as shown in fig. 3 may be generated.
203. According to the pitch span range, using a tone generating algorithm in a music piece generating algorithm to adjust tone of the rhythm piece to obtain a piece unit;
and (3) carrying out tone adjustment processing on the rhythm segments obtained in the step (202) according to the pitch span range input by a user, specifically, carrying out pitch value assignment on notes in the generated rhythm segments, randomly selecting a pitch as an initial pitch in a certain preset range of a first note in the obtained rhythm segments, and then carrying out tone adjustment on notes which do not contain tone in a note sequence in the rhythm segments according to different tone generation rules in sequence until the tone adjustment of the current rhythm segment is completed, thereby obtaining segment units.
204. Combining the plurality of fragment units to obtain a plurality of music fragments;
after a plurality of fragment units are obtained in the previous step, combining the plurality of fragment units, and specifically, combining and splicing further comprises overlapping and splicing;
the superposition in the combination and splicing is mainly used for generating a multi-sound part of the symphony music to be generated. Specifically, according to the foregoing, the plurality of segment units obtained in the previous step include a plurality of segment units with similar rhythms but different pitches, and the segment units are superimposed according to the rhythmic points, and different musical instrument adapters are adopted for different segment units, so as to obtain segment units of a plurality of segments of multiple sound parts.
The segment units of the multi-sound part are then spliced according to the acquired bar lengths of the presentation part until a plurality of pieces of music generated for the presentation part are obtained.
205. According to a segment recommendation algorithm in the sound effect feedback system, calculating splicing integrity among different types of segments in the plurality of music segments, and selecting N music segments with higher splicing integrity from each type of segments based on the splicing integrity to push to a client used by a user;
After the plurality of the music pieces generated by the presenting part are obtained, the obtained plurality of the music pieces are identified by using a pre-trained piece recommendation algorithm, and the splicing integrity among the piece units in each music piece is calculated. The splicing integrity between each segment unit comprises whether the parts connected between the segment units are well connected, and no mutation of pitch, adapter or the like exists.
And arranging the music fragments according to the splicing integrity by utilizing the splicing integrity calculated by the fragment recommendation algorithm, generating the listening test audio of the music fragments with the splicing integrity arranged at the front N positions, and pushing the listening test audio to a client used by a user according to the sequence of the splicing integrity so as to facilitate the user to select according to the scoring of the splicing integrity and the listening test audio.
206. And determining a music piece from each type of piece according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music.
After the user selects a piece of music based on scoring of the splice integrity and listening audio, a certain piece of music is obtained, that is to say, the authoring for the presentation has been completed at this time. According to the characteristics of playing music, the presenting part comprises a main part, a connecting section, an auxiliary part and a small tail end; the expansion part has fragments for presenting the main tune (namely, the tune of the main part in the presenting part) on different tunes; the reproduction section has a section for reproducing the main section on the original tone. Therefore, the selected music piece can be transformed according to the corresponding part, and the selected music piece and the obtained transformed music piece are spliced to obtain the complete symphony music. Then, the output of music spectrum and symphony music audio can be performed by the selection of the user.
In the embodiment of the invention, the acquired initial information of the symphony music to be created is used for automatically generating the symphony music which accords with the psychological expectation of the user and has complete curved structure.
Referring to fig. 4, another embodiment of the automatic creation method of a symphony music according to an embodiment of the present invention includes:
401. acquiring a curved structure of the symphony music and basic parameters of the symphony music in initial information of the symphony music to be created;
it is to be understood that the execution subject of the present invention may be an automatic creation apparatus of a symphony music, or may be a terminal or a server, which is not limited herein. The embodiment of the invention is described by taking a server as an execution main body as an example.
In this step, initial information of the symphony to be composed is acquired through interaction with the user, the initial information including a curved structure and basic parameters of the symphony music, wherein the curved structure is determined based on the type of the symphony music.
402. Generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the fragment units to obtain a plurality of music fragments;
and generating a plurality of fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters acquired in the previous step, wherein the fragment units comprise a plurality of note sequences with tones.
Taking a music playing mode as an example, firstly, a section of the presenting part is generated, and the music generation algorithm can automatically generate the section related to the basic parameter information according to the basic parameter information such as emotion style, beat speed and the like of the music.
Specifically, the music generation algorithm needs to generate the rhythm and tone for the segment unit according to the obtained basic parameters. The length of the segment units generated at a time can be one bar or several bars according to basic parameter requirements. The segment units comprise rhythm segments with the same rhythm and pitch but different musical instruments used for playing or the same rhythm and pitch and changed musical instruments used for playing. After obtaining the plurality of segment units, combining the plurality of segment units, specifically, combining and splicing further includes overlapping and splicing, and combining to obtain a plurality of music segments generated for the presenting part.
403. Obtaining the music information of the existing symphony music, forming the music information into a music training set, and training a deep learning algorithm by using the music training set to obtain a segment recommendation algorithm;
firstly, a plurality of symphony music samples are obtained, wherein the symphony music is marked by using a manual marking method to form a symphony music training set, and the symphony music training set comprises integrity information of music pieces.
The data in the symphony training set is divided into a training set, a verification set and a test set, and the deep learning algorithm is trained by utilizing the data, specifically, the deep neural network is trained in the embodiment, so that a trained segment recommendation algorithm is obtained.
404. According to a segment recommendation algorithm, calculating splicing integrity among different types of segments in a plurality of music segments, and selecting N music segments with higher splicing integrity from each type of segments based on the splicing integrity to push to a client used by a user;
and acquiring a plurality of music fragments generated by the presenting part by using a trained fragment recommendation algorithm, identifying the music fragments, and calculating the splicing integrity among fragment units in each music fragment. The splicing integrity between each segment unit comprises whether the parts connected between the segment units are well connected, and no mutation of pitch, adapter or the like exists.
And then arranging the music fragments according to the splicing integrity, generating the listening test audio of the music fragments with the splicing integrity arranged at the front N positions, and pushing the listening test audio to a client used by a user according to the sequence of the splicing integrity so that the user can select according to scoring of the splicing integrity and the listening test audio.
405. And determining a music piece from each type of piece according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music.
After the user selects a piece of music based on scoring of the splice integrity and listening audio, a certain piece of music is obtained, that is to say, the authoring for the presentation has been completed at this time.
According to the characteristics of the music playing, the presenting part, the unfolding part and the reproducing part have the same or similar parts as those of the presenting part, so that the music piece selected and the music piece obtained after the conversion treatment can be spliced according to the created presenting part to obtain the complete symphony music. Then, the output of music spectrum and symphony music audio can be performed by the selection of the user.
In the embodiment of the invention, the acquired initial information of the symphony music to be created is used for automatically generating the symphony music which accords with the psychological expectation of the user and has complete curved structure.
Referring to fig. 5 and 6, another embodiment of the automatic creation method of a symphony music according to an embodiment of the invention includes:
501. acquiring a curved structure of the symphony music and basic parameters of the symphony music in initial information of the symphony music to be created;
Wherein the curved structure is determined based on the type of the symphony music;
the steps in this embodiment are described by taking a specific symphony creation process as an example, and initial information of a symphony music to be created is obtained through input or selection of a user, where the initial information includes a melody structure of the music and basic parameters of the symphony music, and the basic parameters further include information such as an emotion style of the music, a beat speed, and lengths of respective melody structure portions of the symphony music. For example, when the symphony pattern that the user needs to create is a music playing pattern, the music playing pattern is selected from the interfaces such as software or web pages provided in the present embodiment, and information such as emotion style and beat speed that the user needs to create at present is input or selected. Wherein, the emotion styles comprise generous, relaxed and relaxed, depression and the like; beat speed includes fast plate, medium plate, slow plate, etc. The length information of each curved structure portion includes the number of bars of each curved structure. Further, the user needs to select the length of each of the three parts, that is, the number of the sections to be created, continuously because the playing mode includes three parts, i.e., a presentation part, an expansion part, and a reproduction part.
Further, the user may input or select the tempo design data and a pitch span range in this step, wherein the pitch span range may be a range of a gamut in a symphony musical piece to be composed; therefore, the demand style of the user is better determined, and the generated symphony music in the embodiment can be closer to the psychological expectation of the user.
502. According to the rhythm cell design parameters of the single rhythm in the rhythm design data, combining the notes to obtain a plurality of four types of rhythm cells; according to a single-segment playing time value in the rhythm design data, at least two cells from the four types of cells are selected to be combined arbitrarily, and rhythm fragments are generated;
firstly, the rhythm cell design parameters of a single rhythm, that is, the time values of rhythm cells, contained in the rhythm data obtained in the previous step are obtained, and the notes are combined to obtain a plurality of rhythm cells, specifically, please refer to fig. 6, wherein the rhythm cells are divided into four types of rhythm cells, namely, one beat of cells, two beats of cells, three beats of cells and four beats of cells according to the time value lengths of the rhythm cells. Each cell has different sub-cell morphology, such as sub-cell morphology of one quarter note and sub-cell morphology of two eighth notes in one beat of cells.
In the process of generating the rhythm, according to the single-section duration value in the rhythm design data, sub-cells are extracted from four cells at will to be combined, and the rhythm segment with the required single-section duration value length is obtained. In a specific operation, the notes are also rhythm-coded according to the difference of the values, and the specific coding is described in the above embodiment, which is not described herein.
503. According to the pitch span range, the tone of each note sequence in the rhythm segment is adjusted by the processing modes of chord decomposition, continuous progressive, detouring up and down and turning back up and down to obtain a segment unit;
and (3) carrying out tone adjustment processing on the rhythm segments obtained in the step (502) according to the pitch span range input by a user, specifically, carrying out pitch value assignment on notes in the generated rhythm segments, randomly selecting a pitch as an initial pitch in a certain preset range of a first note in the obtained rhythm segments, and then carrying out tone adjustment on notes in a note sequence in the rhythm segments in sequence according to different tone generation rules until the tone adjustment of the current rhythm segment is completed, thereby obtaining segment units.
The manner of adjusting the tone includes decomposing the chord, continuously advancing, detouring up and down, turning back up and down, and the like, and specifically, the tone generation algorithm is as follows:
(1) If the note index i=1, the note takes any one of 55-75midi values;
(2) If the note index i-! =1, then there may be several relationships between note i and note i-1:
(1) decomposing chords:
the note pitch sequence is expressed as: p [ i ] =p [ i ] +3||p [ i ] =p [ i ] +4;
(2) continuous progressive:
the note pitch sequence is expressed as: pj=pj+2;
(3) roundabout up and down:
the note pitch sequence is expressed as: p [ i ] =p [ i ] +randint (2, 3) ||p [ i ] =p [ i ] + -randint (2, 3);
(4) turning back up and down:
the note pitch sequence is expressed as:
If I<＝4:p[i]＝p[i]+randint(2,3)else:p[i]＝p[i]+-randint(2,3)。
and after the rhythms and the tones are generated, performing random matching of musical instruments on the generated music spectrums to generate a plurality of fragment units.
504. Superposing a plurality of fragment units according to the basic parameters to obtain fragment units of the multi-sound part; splicing the multi-sound part segment units to obtain a plurality of music segments;
after a plurality of fragment units are obtained, the fragment units are combined, and specifically, the combined splicing further comprises overlapping and splicing;
For a symphony music, there are generally a plurality of sound parts, so that a plurality of the segment units are obtained, then the plurality of obtained segment units are superimposed to obtain a segment unit having a plurality of sound parts, and then the obtained segment units of the plurality of sound parts are spliced to obtain a plurality of music segments generated for the presenting part.
505. Obtaining the music information of the existing symphony music, forming the music information into a music training set, and training a deep learning algorithm by using the music training set to obtain a segment recommendation algorithm;
firstly, a plurality of symphony music samples are obtained, wherein the symphony music is marked by using a manual marking method to form a symphony music training set, and the symphony music training set comprises integrity information of music pieces.
The data in the symphony training set is divided into a training set, a verification set and a test set, and the deep learning algorithm is trained by utilizing the data, specifically, the deep neural network is trained in the embodiment, so that a trained segment recommendation algorithm is obtained.
506. According to a segment recommendation algorithm in the sound effect feedback system, calculating splicing integrity among different types of segments in the plurality of music segments, and selecting N music segments with higher splicing integrity from each type of segments based on the splicing integrity to push to a client used by a user;
And acquiring a plurality of music fragments generated by the presenting part by using a trained fragment recommendation algorithm, identifying the music fragments, and calculating the splicing integrity among fragment units in each music fragment. The splicing integrity between each segment unit comprises whether the parts connected between the segment units are well connected, and no mutation of pitch, adapter or the like exists.
And then arranging the music fragments according to the splicing integrity, generating the listening test audio of the music fragments with the splicing integrity arranged at the front N positions, and pushing the listening test audio to a client used by a user according to the sequence of the splicing integrity so that the user can select according to scoring of the splicing integrity and the listening test audio.
507. Directly repeating, changing the adapter or repeating the change of the complex tone to the determined music piece to obtain a changed music piece; and splicing the determined music piece and the changed music piece to obtain the symphony music.
After the user selects a piece of music based on scoring of the splice integrity and listening audio, a certain piece of music is obtained, that is to say, the authoring for the presentation has been completed at this time. According to the characteristics of playing music, the presenting part comprises a main part, a connecting section, an auxiliary part and a small tail end; the expansion part has fragments for presenting the main tune (namely, the tune of the main part in the presenting part) on different tunes; the reproduction section has a section for reproducing the main section on the original tone. Therefore, a preset paragraph variation recommendation system can be adopted, a proper method is adopted through an intelligent algorithm, and according to corresponding parts, different methods such as direct repetition, adapter variation, complex tone variation and the like are adopted to change selected music fragments, so that all the music fragments are related to each other but have the same meaning.
And splicing the selected music piece and the obtained transformed music piece to obtain the complete symphony music. Then, the output of music spectrum and symphony music audio can be performed by the selection of the user.
In the embodiment of the invention, the initial information of the acquired symphony music to be created is aimed at automatically generating the symphony music which accords with the psychological expectation of the user and has complete curve structure of the multiple sound parts.
The method for automatically creating a symphony music according to the embodiment of the present invention is described above, and the apparatus for automatically creating a symphony music according to the embodiment of the present invention is described below, referring to fig. 7, an embodiment of the apparatus for automatically creating a symphony music according to the embodiment of the present invention includes:
an obtaining module 701, configured to obtain initial information of a symphony music to be composed, where the initial information includes a curved structure of the symphony music and basic parameters of the symphony music, and the curved structure is determined based on a type of the symphony music;
a musical composition segment generating module 702, configured to generate a plurality of corresponding segment units of the symphony musical composition according to the basic parameters by using a preset musical composition segment generating algorithm, and combine the plurality of segment units to obtain a plurality of musical composition segments, where the segment units are a plurality of note sequences with tones;
The feedback module 703 is configured to calculate a splicing integrity between different types of clips in the plurality of clips according to a clip recommendation algorithm in the audio feedback system, and select N clips with higher splicing integrity from each type of clips based on the splicing integrity, and push the N clips to a client used by a user;
and a music output module 704 for determining a music piece from each type of pieces according to the selection of the user, and performing conversion processing on the determined music piece to obtain the symphony music.
According to the embodiment of the invention, the acquired initial information of the symphony music to be created can be used for automatically generating the symphony music which accords with the psychological expectation of the user and has complete curved structure.
Referring to fig. 8, another embodiment of an automatic creation apparatus for a symphony music according to an embodiment of the present invention includes:
an obtaining module 701, configured to obtain initial information of a symphony music to be composed, where the initial information includes a curved structure of the symphony music and basic parameters of the symphony music, and the curved structure is determined based on a type of the symphony music;
a musical composition segment generating module 702, configured to generate a plurality of corresponding segment units of the symphony musical composition according to the basic parameters by using a preset musical composition segment generating algorithm, and combine the plurality of segment units to obtain a plurality of musical composition segments, where the segment units are a plurality of note sequences with tones;
The feedback module 703 is configured to calculate a splicing integrity between different types of clips in the plurality of clips according to a clip recommendation algorithm in the audio feedback system, and select N clips with higher splicing integrity from each type of clips based on the splicing integrity, and push the N clips to a client used by a user;
and a music output module 704 for determining a music piece from each type of pieces according to the selection of the user, and performing conversion processing on the determined music piece to obtain the symphony music.
Optionally, the music piece generating module 702 includes:
a rhythm generation unit 7021, configured to generate a rhythm segment by using a rhythm generation algorithm in the music piece generation algorithm according to the basic parameter, where the rhythm segment is a plurality of note sequences;
tone generating section 7022, configured to generate a tone for the rhythm segment according to the basic parameter by using a tone generating algorithm in the music segment generating algorithm, thereby obtaining a segment unit.
Optionally, the tempo generation unit 7021 includes:
the rhythm cell classification subunit is used for randomly combining notes to obtain a plurality of rhythm cells, and dividing the rhythm cells into four cell types of one beat of cells, two beats of cells, three beats of cells and four beats of cells according to the time value of the rhythm cells;
And the rhythm cell combination subunit is used for arbitrarily extracting the rhythm cells from the four cell types according to the basic parameters and combining the rhythm cells to generate the rhythm fragments.
Optionally, the tone generating unit 7022 is specifically configured to:
and according to the basic parameters, changing the tone of the note sequence in the rhythm segment by utilizing the tone generating algorithm to obtain segment units, wherein the tone generating algorithm comprises the steps of chord decomposition, continuous progressive, detouring up and down and turning back up and down processing of the note sequence.
Optionally, the music piece generating module 702 is further configured to:
and according to the basic parameters, superposing the plurality of fragment units to obtain fragment units of the multi-sound part, and splicing the fragment units of the multi-sound part to obtain a plurality of music fragments.
Optionally, the feedback module 703 includes:
a section recommendation algorithm unit 7031, configured to obtain musical composition information of an existing symphony musical composition, and compose the musical composition information into a musical composition training set, where the musical composition information includes a music score; training the deep neural network by utilizing the music training set to obtain a segment recommendation algorithm;
And the feedback unit 7032 is configured to select, from each type of clips, N pieces of music clips with higher splicing integrity based on the splicing integrity calculated by the clip recommendation algorithm unit 7031, and push the N pieces of music clips to a client used by a user.
Optionally, the music output module 704 includes:
a segment changing unit 7041, configured to directly repeat, change the adapter, or change the complex tone for the determined musical composition segment, so as to obtain a changed musical composition segment;
and a splicing unit 7042, configured to splice the determined musical piece and the changed musical piece to obtain the symphony musical piece.
According to the embodiment of the invention, the acquired initial information of the symphony music to be created can be used for automatically generating the symphony music which accords with the psychological expectation of the user and has complete curved structure.
The automatic creation apparatus of a symphony music in the embodiment of the present invention is described in detail above in terms of the modularized functional entity in fig. 7 and 8, and the automatic creation apparatus of a symphony music in the embodiment of the present invention is described in detail below in terms of hardware processing.
Fig. 9 is a schematic structural diagram of an automatic creation device for a symphony music, where the automatic creation device 900 for a symphony music may have a relatively large difference due to different configurations or performances, and may include one or more processors (central processing units, CPU) 910 (e.g., one or more processors) and a memory 920, and one or more storage media 930 (e.g., one or more mass storage devices) storing application programs 933 or data 932. Wherein the memory 920 and storage medium 930 may be transitory or persistent storage. The program stored in the storage medium 930 may include one or more modules (not shown), each of which may include a series of instruction operations in the automatic creation apparatus 900 of an symphony musical composition. Still further, the processor 910 may be configured to communicate with the storage medium 930 and execute a series of instruction operations in the storage medium 930 on the symphony music automatic creation apparatus 900.
The symphony music automatic authoring apparatus 900 may also include one or more power supplies 940, one or more wired or wireless network interfaces 950, one or more input/output interfaces 960, and/or one or more operating systems 931, such as Windows Serve, mac OS X, unix, linux, freeBSD, etc. It will be appreciated by those skilled in the art that the configuration of the automatic creation of a symphony music piece shown in fig. 9 does not constitute a limitation of the automatic creation of a symphony music piece, and may include more or less components than those illustrated, or may combine certain components, or may have a different arrangement of components.
The invention also provides automatic creation equipment of the symphony music, which comprises a memory and a processor, wherein the memory stores computer readable instructions, and the computer readable instructions, when executed by the processor, cause the processor to execute the steps of the automatic creation method of the symphony music in the above embodiments.
The present invention also provides a computer readable storage medium, which may be a non-volatile computer readable storage medium, or may be a volatile computer readable storage medium, where instructions are stored in the computer readable storage medium, when the instructions are executed on a computer, cause the computer to perform the steps of the method for automatically creating a symphony musical composition.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An automatic creation method of a symphony music, characterized in that the automatic creation method of a symphony music comprises the following steps:
acquiring initial information of a symphony music piece to be composed, wherein the initial information comprises a curved structure of the symphony music piece and basic parameters of the symphony music piece, and the curved structure is determined based on the type of the symphony music piece;
generating a plurality of corresponding fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the fragment units to obtain a plurality of music fragments, wherein the fragment units comprise a plurality of note sequences with tones;
Calculating the splicing integrity among different types of fragments in the plurality of music fragments according to a fragment recommendation algorithm in the sound effect feedback system, and selecting N music fragments with higher splicing integrity from each type of fragments based on the splicing integrity to push to a client used by a user;
determining a music piece from each type of piece according to the selection of a user, and performing transformation processing on the determined music piece to obtain the symphony music;
the basic parameters include rhythm design data and pitch span range, the generating corresponding multiple fragment units of the symphony music by using a preset music fragment generation algorithm according to the basic parameters, and combining the multiple fragment units to obtain multiple music fragments includes: generating a rhythm segment by utilizing a rhythm generation algorithm in the music segment generation algorithm according to the rhythm design data, wherein the rhythm segment comprises a plurality of note sequences; and according to the pitch span range, performing tone adjustment processing on the rhythm segment by using a tone generation algorithm in the music segment generation algorithm to obtain a segment unit.
2. The automatic creation method of a symphony music according to claim 1, wherein the generating a rhythm segment using a rhythm generation algorithm of the music segment generation algorithms based on the rhythm design data includes:
according to the rhythm cell design parameters of the single rhythm in the rhythm design data, the notes are combined to obtain a plurality of rhythm cells, wherein the rhythm cells at least comprise the following four types of cells: one beat of cells, two beats of cells, three beats of cells and four beats of cells;
and selecting at least two cells from the four types of cells to be combined arbitrarily according to the single-segment rhythm value in the rhythm design data, so as to generate rhythm fragments.
3. The automatic creation method of a symphony music according to claim 2, wherein said obtaining a segment unit by performing a tone adjustment process on the rhythm segment by a tone generation algorithm of the music segment generation algorithm according to the pitch span range includes:
and according to the pitch span range, the tone of each note sequence in the rhythm segment is adjusted by the processing modes of chord decomposition, continuous progressive, detouring up and down and turning back up and down to obtain a segment unit.
4. The automatic creation method of a symphony music according to claim 3, wherein the generating a corresponding plurality of segment units of the symphony music using a preset music segment generation algorithm according to the basic parameters, and combining a plurality of the segment units to obtain a plurality of music segments comprises:
superposing the plurality of segment units according to the basic parameters to obtain segment units of the multi-sound part;
and splicing the multi-sound part segment units to obtain a plurality of music segments.
5. The automatic creation method of a symphony music according to any one of claims 1 to 4, further comprising, before the acquisition of the initial information of the symphony music to be created:
obtaining the music information of the existing symphony music, and forming the music information into a music training set, wherein the music information comprises a music score;
and training the deep learning algorithm by using the music training set to obtain a segment recommendation algorithm.
6. The automatic creation method of a symphony music according to any one of claims 1 to 4, wherein the determining a piece of music from each type of piece according to a user's selection and performing a transformation process on the determined piece of music to obtain the symphony music includes:
Directly repeating, changing the adapter or repeating the change of the complex tone to the determined music piece to obtain a changed music piece;
and splicing the determined music piece and the changed music piece to obtain the symphony music.
7. An automatic creation device for a symphony music, characterized in that the automatic creation device for a symphony music comprises:
the system comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring initial information of a symphony music to be created, wherein the initial information comprises a curved structure of the symphony music and basic parameters of the symphony music, and the curved structure is determined based on the type of the symphony music;
a music piece generating module, configured to generate a plurality of corresponding piece units of the symphony music by using a preset music piece generating algorithm according to the basic parameters, and combine the plurality of piece units to obtain a plurality of music pieces, where the piece units include a plurality of note sequences with tones;
the feedback module is used for calculating the splicing integrity among different types of fragments in the plurality of music fragments according to a fragment recommendation algorithm in the sound effect feedback system, and selecting N music fragments with higher splicing integrity from each type of fragments based on the splicing integrity to push to a client used by a user;
A music output module for determining a music piece from each type of pieces according to the selection of the user, and performing transformation processing on the determined music piece to obtain the symphony music;
the basic parameters comprise rhythm design data and a pitch span range, and the music piece generation module is further used for generating a rhythm piece by utilizing a rhythm generation algorithm in the music piece generation algorithm according to the rhythm design data, wherein the rhythm piece comprises a plurality of note sequences; and according to the pitch span range, performing tone adjustment processing on the rhythm segment by using a tone generation algorithm in the music segment generation algorithm to obtain a segment unit.
8. An automatic creation apparatus of a symphony music, characterized by comprising:
a memory and at least one processor, the memory having instructions stored therein;
the at least one processor invokes the instructions in the memory to cause the symphony music automatic authoring apparatus to perform the symphony music automatic authoring method of any one of claims 1-6.
9. A computer-readable storage medium having instructions stored thereon, which when executed by a processor, implement the method of automatic creation of a symphony musical composition according to any one of claims 1-6.
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