CN109584845A - Automatic dub in background music method and system, terminal and computer readable storage medium - Google Patents
Automatic dub in background music method and system, terminal and computer readable storage medium Download PDFInfo
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- CN109584845A CN109584845A CN201811368904.4A CN201811368904A CN109584845A CN 109584845 A CN109584845 A CN 109584845A CN 201811368904 A CN201811368904 A CN 201811368904A CN 109584845 A CN109584845 A CN 109584845A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
- G10H1/0025—Automatic or semi-automatic music composition, e.g. producing random music, applying rules from music theory or modifying a musical piece
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/101—Music Composition or musical creation; Tools or processes therefor
- G10H2210/111—Automatic composing, i.e. using predefined musical rules
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
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- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Auxiliary Devices For Music (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention proposes a kind of dub in background music automatically method and system, terminal and computer readable storage mediums, are related to researching and developing administrative skill field, this method comprises: obtaining audio file；The speed of the audio file is adjusted into predetermined speed corresponding to predetermined melody type, and adjusts rule according to the predetermined melody type corresponding time, adjusts the beginning and ending time of the predetermined note in the audio file；Violoncello rail and/or piano rail are created for the audio file adjusted；The audio file adjusted is merged with the violoncello rail and/or the piano rail, exports target audio file.According to the technical solution of the present invention, the purpose for building the effect of specific atmosphere automatically is realized, audio experience is improved, and reduces cost of labor and time cost during dubbing in background music for specific atmosphere, improves dub in background music efficiency and effect.
Description
[technical field]
The present invention relates to research and development administrative skill fields, more particularly to a kind of dub in background music automatically method and system, terminal and calculating
Machine readable storage medium storing program for executing.
[background technique]
It is existing to dub in background music automatically or harmonization algorithm is automatically configured mainly for common traditional and popular harmony, so
And when needing to dub in background music to extraordinary atmosphere (such as nervous atmosphere), above-mentioned dub in background music and is not suitable for method, then needs manually for spy
Different atmosphere is carried out with happy harmonization.However, the workload manually dubbed in background music is very big, and easily occurs mistake, this allows for being special
Efficiency and quality are low when atmosphere is dubbed in background music.
Therefore, how efficiently and accurately to dub in background music for special atmosphere, become a technical problem to be solved urgently.
[summary of the invention]
The embodiment of the invention provides a kind of dub in background music automatically method and system, terminal and computer readable storage medium, purports
Efficiency and the low technical problem of quality when solving to dub in background music in the related technology for special atmosphere can efficiently and accurately be
Special atmosphere is dubbed in background music automatically, promotes efficiency and effect of dubbing in background music that special atmosphere is dubbed in background music.
In a first aspect, the embodiment of the invention provides a kind of methods of dubbing in background music automatically, comprising: obtain audio file；It will be described
The speed of audio file adjusts predetermined speed corresponding to predetermined melody type, and corresponding according to the predetermined melody type
Time adjustment rule, adjusts the beginning and ending time of the predetermined note in the audio file；It is created for the audio file adjusted
Build violoncello rail and/or piano rail；The audio file adjusted and the violoncello rail and/or the piano rail are closed
And export target audio file.
In the above embodiment of the present invention, optionally, the predetermined melody type is nervous atmosphere type, light atmosphere class
Type, sad and dreary atmosphere type or cheerful and light-hearted atmosphere type, wherein the case where the predetermined melody type is the nervous atmosphere type
Under, the predetermined speed is 70bmp；Time adjustment rule are as follows: by note that time signature in the audio file is even number
Time started shifts to an earlier date scheduled duration；It is described predetermined with the end time in preceding note for the note that the time signature is even number is shifted to an earlier date
Duration.
In the above embodiment of the present invention, optionally, the scheduled duration is the beginning for the note that the time signature is even number
The predetermined fraction of time and difference at the beginning of preceding note, the predetermined fraction include 1/2,1/3 and 1/4.
It is optionally, described to create violoncello rail and/or piano rail for the audio file in the above embodiment of the present invention
The step of, comprising: obtain the trifle quantity of the audio file and the pitch value of each note；According to the trifle quantity, by institute
It states audio file and is divided into multiple periods；According to period each under the predetermined melody type corresponding pitch value adjustment rule
Then, the pitch value of each note in each period is adjusted.
In the above embodiment of the present invention, optionally, in the feelings that the predetermined melody type is the nervous atmosphere type
It is described according to the trifle quantity under condition, the step of audio file is divided into multiple periods, comprising: according to described small
Joint number amount determines first time node, the second timing node and third timing node, wherein the first time node is 0,
Second timing node is at the 1/3 of the preceding total trifle quantity of trifle quantity Zhan, and the third timing node is in preceding trifle
Quantity accounts at the 2/3 of total trifle quantity.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the piano rail are as follows: every
Between two timing nodes, selection target chord and target pitch value in corresponding chord-pitch value list；By each trifle
The note that middle time signature is 1 according to the target chord and increases the target pitch value, and the correspondence position in the piano rail is written
It sets.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the violoncello rail are as follows: change
Become predetermined note at the beginning of and the end time；It is small that the predetermined note place is set by the pitch value of the predetermined note
The pitch value of first note in section.
Second aspect, the embodiment of the invention provides a kind of automatic scoring systems, comprising: audio file acquiring unit is used
In acquisition audio file；Audio file adjustment unit, for adjusting the speed of the audio file to predetermined melody type pair
The predetermined speed answered, and rule is adjusted according to the predetermined melody type corresponding time, it adjusts in the audio file
The beginning and ending time of predetermined note；Rail creating unit, for creating violoncello rail and/or piano for the audio file adjusted
Rail；Rail combining unit, it is defeated for merging the audio file adjusted with the violoncello rail and/or the piano rail
Target audio file out.
In the above embodiment of the present invention, optionally, the predetermined melody type is nervous atmosphere type, light atmosphere class
Type, sad and dreary atmosphere type or cheerful and light-hearted atmosphere type, wherein the case where the predetermined melody type is the nervous atmosphere type
Under, the predetermined speed is 70bmp；Time adjustment rule are as follows: by note that time signature in the audio file is even number
Time started shifts to an earlier date scheduled duration；It is described predetermined with the end time in preceding note for the note that the time signature is even number is shifted to an earlier date
Duration.
In the above embodiment of the present invention, optionally, the scheduled duration is the beginning for the note that the time signature is even number
The predetermined fraction of time and difference at the beginning of preceding note, the predetermined fraction include 1/2,1/3 and 1/4.
In the above embodiment of the present invention, optionally, the rail creating unit includes: parameter acquiring unit, for obtaining
The trifle quantity of the audio file and the pitch value of each note；Time segments division unit is used for according to the trifle quantity, by institute
It states audio file and is divided into multiple periods；Pitch value adjustment unit, for according to it is each described under the predetermined melody type when
The corresponding pitch value adjustment rule of section, adjusts the pitch value of each note in each period.
In the above embodiment of the present invention, optionally, in the feelings that the predetermined melody type is the nervous atmosphere type
Under condition, the Time segments division unit is used for: according to the trifle quantity, determining first time node, the second timing node and
Three timing nodes, wherein the first time node is 0, and second timing node is in the total small joint number of preceding trifle quantity Zhan
At the 1/3 of amount, the third timing node is to account at the 2/3 of total trifle quantity in preceding trifle quantity.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the piano rail are as follows: every
Between two timing nodes, selection target chord and target pitch value in corresponding chord-pitch value list；By each trifle
The note that middle time signature is 1 according to the target chord and increases the target pitch value, and the correspondence position in the piano rail is written
It sets.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the violoncello rail are as follows: change
Become predetermined note at the beginning of and the end time；It is small that the predetermined note place is set by the pitch value of the predetermined note
The pitch value of first note in section.
The third aspect, the embodiment of the invention provides a kind of terminals, comprising: at least one processor；And with it is described extremely
The memory of few processor communication connection；Wherein, the memory, which is stored with, to be executed by least one described processor
Instruction, described instruction is arranged to be used for executing method described in any one of above-mentioned first aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, and it is executable to be stored with computer
Instruction, the computer executable instructions are for executing method flow described in any one of above-mentioned first aspect.
By above technical scheme, for the low technology of efficiency when dubbing in background music in the related technology for special atmosphere and quality
Problem can efficiently and accurately be dubbed in background music for special atmosphere automatically, specifically, can determine whether to be matched required for audio file
At predetermined melody type, wherein predetermined melody type includes but is not limited to nervous atmosphere type, light atmosphere type, sad and dreary
Atmosphere type or cheerful and light-hearted atmosphere type, every kind of predetermined melody type is corresponding with respective melody processing scheme, according to predetermined rotation
After type of law carries out melody processing to audio file, violoncello rail and/or piano rail can be created for the audio file, mentioned greatly
There is cooperation on qin rail and/or piano rail and reinforce the audio of atmosphere in the predetermined melody type, finally, by violoncello rail and/
Or piano rail and the audio file merge, and have obtained the target audio that the atmosphere in predetermined melody type has been strengthened
File, so as to complete the purpose dubbed in background music that audio file is processed into predetermined melody type.
By above technical scheme, the purpose for building the effect of specific atmosphere automatically is realized, improves audio experience, and
Reduce the cost of labor and time cost during dubbing in background music for specific atmosphere, improves dub in background music efficiency and effect.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 shows the flow chart of the method for dubbing in background music automatically of one embodiment of the present of invention；
It is the rudimentary algorithm frame that nervous atmosphere type is dubbed in background music automatically Fig. 2 shows one embodiment of the present of invention
Frame；
Fig. 3 shows the block diagram of the automatic scoring system of one embodiment of the present of invention；
Fig. 4 shows the block diagram of the terminal of one embodiment of the present of invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
Fig. 1 shows the flow chart of the method for dubbing in background music automatically of one embodiment of the present of invention.
As shown in Figure 1, the embodiment of the invention provides a kind of methods of dubbing in background music automatically, comprising:
Step 102, audio file is obtained.The audio file is the single-tone melody file of midi format.Use midi lattice
Formula list melody file is as input, and according to the range feature of usual music rhythm, which should be in small character group G~small character two
Between group G, midi melody file time signature can be clapped for 4/4,3/4 claps, 2/4 claps, arbitrary speed, any tonality；File is unsuitable too long,
16~24 trifles or so length is advisable.
Step 104, the speed of the audio file is adjusted into predetermined speed corresponding to predetermined melody type, and according to
The corresponding time adjustment rule of the predetermined melody type, adjusts the beginning and ending time of the predetermined note in the audio file.
Wherein, predetermined melody type include but is not limited to nervous atmosphere type, light atmosphere type, sad and dreary atmosphere type or
Cheerful and light-hearted atmosphere type, every kind of predetermined melody type are corresponding with respective melody processing scheme, wherein each predetermined melody type is corresponding
The size of predetermined speed be followed successively by the atmosphere type > sad and dreary atmosphere type of cheerful and light-hearted atmosphere type > anxiety atmosphere type > easily.
The speed of audio file is adjusted into predetermined speed corresponding to the predetermined melody type, audio file can be made
Broadcasting speed atmosphere corresponding with predetermined melody type is more close and adapts to；When by the start-stop of the predetermined note in audio file
Between according to predetermined melody type corresponding time adjust rule adjustment, may make the predetermined note and predetermined melody in audio file
The beginning and ending time of corresponding note is same or similar under type, thus but also predetermined note and predetermined melody class in audio file
Corresponding note has same or similar ambiance effect under type.It may make entire audio file that there is predetermined melody class as a result,
The corresponding atmosphere of type.
Wherein, in the case where the predetermined melody type is the nervous atmosphere type, the predetermined speed is
70bmp, certainly, the predetermined speed under nervous atmosphere type can also be any other value of adaptation actual demand.And described
In the case that predetermined melody type is the nervous atmosphere type, the time adjustment rule are as follows: will be clapped in the audio file
Number for even number note at the beginning of in advance scheduled duration；With the end in preceding note by the time signature for the note of even number
Scheduled duration described in time advance.The duration that time signature is the note of even number may make to elongate as a result, to aggravate the time signature
For the sense of hearing of the note of even number, nervous atmosphere is realized.
In addition, the scheduled duration be at the beginning of the note that the time signature is even number with the beginning in preceding note
The predetermined fraction of the difference of time, the predetermined fraction include 1/2,1/3 and 1/4, can will be terminated in advance as a result, in preceding note,
It will be shortened in preceding note, so that fast pace is in preceding note, to aggravate nervous atmosphere.
Step 106, violoncello rail and/or piano rail are created for the audio file adjusted.
Specifically, the trifle quantity of the audio file and the pitch value of each note can be obtained；According to the small joint number
Amount, is divided into multiple periods for the audio file；According to period each under the predetermined melody type corresponding pitch
Value adjustment rule, adjusts the pitch value of each note in each period.I.e. for different musical instrument rails, difference can be used
Pitch value adjustment rule be adjusted.
Wherein, the step of audio file being divided into multiple periods includes: to determine first according to the trifle quantity
Timing node, the second timing node and third timing node, wherein the first time node is 0, second timing node
For at the 1/3 of the preceding total trifle quantity of trifle quantity Zhan, the third timing node is to account for total trifle in preceding trifle quantity
At the 2/3 of quantity.As a result, convenient for developing in section in different time, it is followed successively by each note and randomly selects a kind of note combination
Violoncello rail and/or piano rail is written.
In a kind of implementation of the invention, the corresponding pitch value adjustment rule of the piano rail are as follows: every two
Between a timing node, selection target chord and target pitch value in corresponding chord-pitch value list；It will be in each trifle
The note that time signature is 1 according to the target chord and increases the target pitch value, and the corresponding position in the piano rail is written.
For example, its initial time, end time and pitch pitch [n] are read since first note, equally at this
In initial time and end time, randomly chooses in following table and subtract common chords or increasing common chords, needed simultaneously after selecting some chord
Will number be 1 sound be all written, wherein pitch [n]+x refers in midi agreement pitch number plus analog value, will have pair
Answer the note of pitch；1 indicates the sound in table 1, and 0 indicates without the sound.
In a kind of implementation of the invention, the corresponding pitch value adjustment rule of the violoncello rail are as follows: change
At the beginning of predetermined note and the end time；Trifle where setting the predetermined note for the pitch value of the predetermined note
In first note pitch value.
For example, violoncello rail pitch is limited between small character group #C to one group of C of small character, unlike piano rail, mention greatly
Initial time and end time of the initial time and end time of qin note independently of melody note, different phase change duration
Length, generate the sense of hearing of acceleration, increase tension musically.Pitch is then related with upper first sound is clapped, if a certain take
Rest (not having note presence in midi file) is showed, has then continued the head note for continuing to use previous bat；When determining pitch,
It needs to confirm the bat first note is which sound in C#CD#DEF#FG#GA#AB first, i.e. CM_pitch [n] finds and mentions greatly
Corresponding sound area defined by qin carries out pitch write-in.
Step 108, the audio file adjusted is merged with the violoncello rail and/or the piano rail, is exported
Target audio file.Melody in violoncello rail and piano rail is exactly the corresponding atmosphere of predetermined melody type, will be carried out at melody
The audio file after reason merges with the violoncello rail and the piano rail, can further strengthen the pre- of the audio file
The corresponding atmosphere of melody type is determined, so as to build the corresponding atmosphere of predetermined melody type automatically for the audio file.
Generally speaking, it by above technical scheme, can efficiently and accurately be dubbed in background music automatically for special atmosphere, specifically
For, can determine whether the predetermined melody type being made into required for audio file, according to predetermined melody type to audio file into
After the processing of row melody, violoncello rail and/or piano rail can be created for the audio file, on violoncello rail and/or piano rail
With the audio for cooperating and reinforcing atmosphere in the predetermined melody type, finally, by violoncello rail and/or piano rail and the audio
File merges, and has obtained the target audio file that the atmosphere in predetermined melody type has been strengthened, so as to complete inciting somebody to action
Audio file is processed into the purpose of predetermined melody type dubbed in background music.
By above technical scheme, the purpose for building the effect of specific atmosphere automatically is realized, improves audio experience, and
Reduce the cost of labor and time cost during dubbing in background music for specific atmosphere, improves dub in background music efficiency and effect.
It is the rudimentary algorithm frame that nervous atmosphere type is dubbed in background music automatically Fig. 2 shows one embodiment of the present of invention
Frame.
As shown in Fig. 2, including four basic functions in the rudimentary algorithm frame dubbed in background music automatically:
1, the mono- melody file input of midi.
Use midi format list melody file as input, according to the range feature of usual music rhythm, the melody sound area
Should be between small character group G~two groups of small character G, midi melody file time signature can be clapped for 4/4,3/4 claps, 2/4 claps, and arbitrary speed is appointed
Meaning tonality；File is unsuitable too long, and 16~24 trifles or so length is advisable.
2, file pre-processes.File pretreatment link mainly adjusts the speed of file, melody note start time point
It is whole, and three timing nodes are calculated in case using, specifically, include the following steps:
1) file time signature and speed are read.
2) by speed be revised as 70bpm (bpm is music essential term, refer to it is how many per minute clap, 70bpm refers to that speed is
It claps within one minute 70).
3) document section number barmax and each note pitch pitch [n], initial time start [n] and end time are read
end[n]。
4) in melody each note initial time and the end time be adjusted, specifically, can be by even number note
Initial time start [n] shifts to an earlier date scheduled duration, and wherein scheduled duration randomly selects following three kinds of values:
1/2(start[n]-start[n-1])、1/3(start[n]-start[n-1])、1/4(start[n]-start
[n-1])
At the same time, the end [n-1] of previous note is accordingly also reduced into scheduled duration.
It 5) is the midi document creation piano and violoncello rail, in case use when content of dubbing in background music is written.
6) three development time nodes are calculated, t0=0, t1=[1/3*barmax], t2=[2/3*barmax], [x] refers to
Be round numbers part, successively the time develops section t0-t1, t1-t2, t2- ending phase to three development time nodes.
3, content of dubbing in background music write-in.For piano rail, can be developed in section according to the following table 1, table 2 and table 3 in different time,
It is followed successively by each note and randomly selects a kind of note combination write-in piano rail.Wherein, table 1 shows piano rail in the t0-t1 stage
Optional sound, table 2 show piano rail in t1-t2 stage optional sound, and it is optional in t2- ending phase that table 3 shows piano rail
Sound.
In the t0-t1 stage, its starting, end time and pitch pitch [n] is read since first note, equally
In the initial time and on the end time, randomly chooses in following table and subtract common chords or increasing common chords, needed after selecting some chord
The sound that number is 1 is all written simultaneously, wherein pitch [n]+x refers to that pitch number, will plus analog value in midi agreement
There is the note of corresponding pitch；1 indicates the sound in table 1, and 0 indicates without the sound.
| Subtract common chords | Increase common chords | |
| pitch[n]+9 | 0 | 0 |
| pitch[n]+8 | 0 | 1 |
| pitch[n]+7 | 0 | 0 |
| pitch[n]+6 | 1 | 0 |
| pitch[n]+5 | 0 | 0 |
| pitch[n]+4 | 0 | 1 |
| pitch[n]+3 | 1 | 0 |
| pitch[n]+2 | 0 | 0 |
| pitch[n]+1 | 0 | 0 |
| pitch[n] | 1 | 1 |
Table 1
In the t1-t2 stage, the principle of content of dubbing in background music write-in is identical as the t0-t1 stage.
Table 2
It is identical as the t0-t1 stage in the principle of t2- ending phase, content of dubbing in background music write-in.
| Diminished seventh chord | Increase seventh chord | |
| pitch[n]+14 | 0 | 1 |
| pitch[n]+13 | 0 | 0 |
| pitch[n]+12 | 1 | 0 |
| pitch[n]+11 | 0 | 0 |
| pitch[n]+10 | 0 | 1 |
| pitch[n]+9 | 0 | 0 |
| pitch[n]+8 | 1 | 0 |
| pitch[n]+7 | 0 | 0 |
| pitch[n]+6 | 0 | 1 |
| pitch[n]+5 | 1 | 0 |
| pitch[n]+4 | 0 | 0 |
| pitch[n]+3 | 0 | 0 |
| pitch[n]+2 | 1 | 1 |
| pitch[n]+1 | 0 | 0 |
| pitch[n] | 0 | 0 |
Table 3
Violoncello rail is developed in section, violoncello randomly selects table according to the following table 4, table 5 and table 6 in different time
Violoncello rail is written in pitch in 2.Table 4 shows violoncello rail in t0-t1 stage optional sound, and table 5 shows violoncello rail
In t1-t2 stage optional sound, table 6 shows violoncello rail in the optional sound of t2- ending phase, wherein it is single for clapping with one
The dated duration length in position and pitch.
Violoncello rail pitch is limited between small character group #C to one group of C of small character, unlike piano rail, violoncello note
Initial time and end time independently of melody note of initial time and end time, different phase changes the length of duration
It is short, the sense of hearing of acceleration is generated, tension musically is increased.Pitch is then related with upper first sound is clapped, if it is a certain take it is existing
Rest (does not have note presence in midi file), then continues the head note for continuing to use previous bat；When determining pitch, first
Need to confirm the bat first note is which sound in C#CD#DEF#FG#GA#AB, i.e. CM_pitch [n] finds violoncello institute
The corresponding sound area limited carries out pitch write-in.
| First half is clapped | Later half bat | |
| CM_pitch[n] | 1 | 0 |
| CM_pitch[n]-1 | 0 | 1 |
Table 4
| Preceding 1/3 claps | In 1/3 clap | It 1/3 claps afterwards | |
| CM_pitch[n]+1 | 0 | 0 | 1 |
| CM_pitch[n] | 1 | 0 | 0 |
| CM_pitch[n]-1 | 0 | 1 | 0 |
Table 5
| Preceding 1/4 claps | In it is preceding 1/4 clap | In after 1/4 clap | It 1/4 claps afterwards | |
| CM_pitch[n]+1 | 0 | 0 | 0 | 1 |
| CM_pitch[n] | 1 | 0 | 0 | 0 |
| CM_pitch[n]-1 | 0 | 0 | 1 | 0 |
| CM_pitch[n]-1 | 0 | 1 | 0 | 0 |
Table 6
In addition, CM_pitch [n] -1 or CM_pitch [n]+1 can be more than at this time if it is #C or C that melody, which claps first sound,
Preset range thinks that such case is allowed herein.
It 4, is a midi file by melody rail, violoncello rail, the output of piano rail.
The melody rail of input, piano rail, violoncello rail are finally merged into output, former rotation is included with the output of midi document form
There is rule the complete of nervous atmosphere to match music file.
Fig. 3 shows the block diagram of the automatic scoring system of one embodiment of the present of invention.
As shown in figure 3, the embodiment of the invention provides a kind of automatic scoring systems 300, comprising: audio file acquiring unit
302, for obtaining audio file；Audio file adjustment unit 304, for adjusting the speed of the audio file to predetermined rotation
The corresponding predetermined speed of type of law, and rule is adjusted according to the predetermined melody type corresponding time, adjust the audio
The beginning and ending time of predetermined note in file；Rail creating unit 306, for creating violoncello for the audio file adjusted
Rail and/or piano rail；Rail combining unit 308, for by the audio file adjusted and the violoncello rail and/or described
Piano rail merges, and exports target audio file.
The automatic scoring system 300 using Fig. 1 and Fig. 2 shows any one of embodiment described in scheme therefore have
Above-mentioned all technical effects, details are not described herein.Automatic scoring system 300 also has following technical characteristic:
In the above embodiment of the present invention, optionally, the predetermined melody type is nervous atmosphere type, light atmosphere class
Type, sad and dreary atmosphere type or cheerful and light-hearted atmosphere type, wherein the case where the predetermined melody type is the nervous atmosphere type
Under, the predetermined speed is 70bmp；Time adjustment rule are as follows: by note that time signature in the audio file is even number
Time started shifts to an earlier date scheduled duration；It is described predetermined with the end time in preceding note for the note that the time signature is even number is shifted to an earlier date
Duration.
In the above embodiment of the present invention, optionally, the scheduled duration is the beginning for the note that the time signature is even number
The predetermined fraction of time and difference at the beginning of preceding note, the predetermined fraction include 1/2,1/3 and 1/4.
In the above embodiment of the present invention, optionally, the rail creating unit 306 includes: parameter acquiring unit, for obtaining
Take the trifle quantity of the audio file and the pitch value of each note；Time segments division unit is used for according to the trifle quantity, will
The audio file is divided into multiple periods；Pitch value adjustment unit, for according to each described under the predetermined melody type
Period corresponding pitch value adjustment rule, adjusts the pitch value of each note in each period.
In the above embodiment of the present invention, optionally, in the feelings that the predetermined melody type is the nervous atmosphere type
Under condition, the Time segments division unit is used for: according to the trifle quantity, determining first time node, the second timing node and
Three timing nodes, wherein the first time node is 0, and second timing node is in the total small joint number of preceding trifle quantity Zhan
At the 1/3 of amount, the third timing node is to account at the 2/3 of total trifle quantity in preceding trifle quantity.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the piano rail are as follows: every
Between two timing nodes, selection target chord and target pitch value in corresponding chord-pitch value list；By each trifle
The note that middle time signature is 1 according to the target chord and increases the target pitch value, and the correspondence position in the piano rail is written
It sets.
In the above embodiment of the present invention, optionally, the corresponding pitch value adjustment rule of the violoncello rail are as follows: change
Become predetermined note at the beginning of and the end time；It is small that the predetermined note place is set by the pitch value of the predetermined note
The pitch value of first note in section.
Fig. 4 shows the block diagram of the terminal of one embodiment of the present of invention.
As shown in figure 4, the terminal 400 of one embodiment of the present of invention, including at least one processor 402；And with institute
State the processor 404 of the communication connection of at least one processor 402；Wherein, the memory be stored with can by it is described at least one
The instruction that processor 404 executes, described instruction are arranged to be used for executing described in any one of above-mentioned Fig. 1 and Fig. 2 embodiment
Scheme.Therefore, which has and the identical technical effect of any one of Fig. 1 and Fig. 2 embodiment, and details are not described herein.
In addition, computer executable instructions are stored with the embodiment of the invention provides a kind of computer readable storage medium,
The computer executable instructions are for executing method flow described in any one of above-mentioned Fig. 1 and Fig. 2 embodiment.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, according to the technical solution of the present invention, realizes certainly
The purpose of the dynamic effect for building specific atmosphere, improves audio experience, and reduce artificial during dubbing in background music for specific atmosphere
Cost and time cost improve dub in background music efficiency and effect.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
It should be noted that terminal involved in the embodiment of the present invention can include but is not limited to personal computer
(Personal Computer, PC), personal digital assistant (Personal Digital Assistant, PDA), wireless handheld
Equipment, tablet computer (Tablet Computer), mobile phone, MP3 player, MP4 player etc..
In several embodiments provided by the present invention, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of method of dubbing in background music automatically characterized by comprising
Obtain audio file；
The speed of the audio file is adjusted into predetermined speed corresponding to predetermined melody type, and according to the predetermined melody
The corresponding time adjustment rule of type, adjusts the beginning and ending time of the predetermined note in the audio file；
Violoncello rail and/or piano rail are created for the audio file adjusted；
The audio file adjusted is merged with the violoncello rail and/or the piano rail, exports target audio file.
2. method according to claim 1 of dubbing in background music automatically, which is characterized in that
The predetermined melody type is nervous atmosphere type, light atmosphere type, sad and dreary atmosphere type or cheerful and light-hearted atmosphere type,
In, in the case where the predetermined melody type is the nervous atmosphere type,
The predetermined speed is 70bmp；
The time adjustment rule are as follows:
Scheduled duration will be shifted to an earlier date at the beginning of note of the time signature in the audio file for even number；With
The end time in preceding note for the note that the time signature is even number is shifted to an earlier date into the scheduled duration.
3. method according to claim 2 of dubbing in background music automatically, which is characterized in that
The scheduled duration be at the beginning of the note that the time signature is even number with difference at the beginning of preceding note
The predetermined fraction of value, the predetermined fraction include 1/2,1/3 and 1/4.
4. method according to claim 2 of dubbing in background music automatically, which is characterized in that described to create violoncello for the audio file
The step of rail and/or piano rail, comprising:
Obtain the trifle quantity of the audio file and the pitch value of each note；
According to the trifle quantity, the audio file is divided into multiple periods；
According to period each under the predetermined melody type corresponding pitch value adjustment rule, adjust in each period
Each note the pitch value.
5. according to claim 4 dub in background music method automatically, which is characterized in that in the predetermined melody type be the anxiety
In the case where atmosphere type,
It is described according to the trifle quantity, the step of audio file is divided into multiple periods, comprising:
According to the trifle quantity, first time node, the second timing node and third timing node are determined, wherein described
One timing node is 0, and second timing node is the third time at the 1/3 of the preceding total trifle quantity of trifle quantity Zhan
Node is to account at the 2/3 of total trifle quantity in preceding trifle quantity.
6. according to claim 4 dub in background music method automatically, which is characterized in that the corresponding pitch value tune of the piano rail
Whole rule are as follows:
Between every two timing node, selection target chord and target pitch value in corresponding chord-pitch value list；
The note that time signature in each trifle is 1 according to the target chord and is increased into the target pitch value, the steel is written
Corresponding position in qin rail.
7. according to claim 4 dub in background music method automatically, which is characterized in that the corresponding pitch value of the violoncello rail
Adjustment rule are as follows:
Change predetermined note at the beginning of and the end time；
The pitch value of first note where setting the predetermined note for the pitch value of the predetermined note in trifle.
8. a kind of automatic scoring system characterized by comprising
Audio file acquiring unit, for obtaining audio file；
Audio file adjustment unit, for the speed of the audio file to be adjusted pre- constant speed corresponding to predetermined melody type
Degree, and rule is adjusted according to the predetermined melody type corresponding time, adjust the predetermined note in the audio file
Beginning and ending time；
Rail creating unit, for creating violoncello rail and/or piano rail for the audio file adjusted；
Rail combining unit, it is defeated for merging the audio file adjusted with the violoncello rail and/or the piano rail
Target audio file out.
9. a kind of terminal characterized by comprising at least one processor；And connect at least one described processor communication
The memory connect；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, and described instruction is arranged to use
Method flow described in any one of execution the claims 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer executable instructions, the computer can
It executes instruction for executing the method flow as described in any one of claims 1 to 7.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535462B1 (en) * | 2001-05-15 | 2003-03-18 | Hanpin Electron Co., Ltd. | Digital sound-signal broadcaster |
| US6703549B1 (en) * | 1999-08-09 | 2004-03-09 | Yamaha Corporation | Performance data generating apparatus and method and storage medium |
| CN102610222A (en) * | 2007-02-01 | 2012-07-25 | 缪斯亚米有限公司 | Music transcription method, system and device |
| CN105161087A (en) * | 2015-09-18 | 2015-12-16 | 努比亚技术有限公司 | Automatic harmony method, device, and terminal automatic harmony operation method |
| CN105702249A (en) * | 2016-01-29 | 2016-06-22 | 北京精奇互动科技有限公司 | A method and apparatus for automatic selection of accompaniment |
| CN107301857A (en) * | 2016-04-15 | 2017-10-27 | 青岛海青科创科技发展有限公司 | A kind of method and system to melody automatically with accompaniment |
| CN108417190A (en) * | 2018-03-06 | 2018-08-17 | 安徽华熊科技有限公司 | A kind of reliable generation method and device |
-
2018
- 2018-11-16 CN CN201811368904.4A patent/CN109584845B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6703549B1 (en) * | 1999-08-09 | 2004-03-09 | Yamaha Corporation | Performance data generating apparatus and method and storage medium |
| US6535462B1 (en) * | 2001-05-15 | 2003-03-18 | Hanpin Electron Co., Ltd. | Digital sound-signal broadcaster |
| CN102610222A (en) * | 2007-02-01 | 2012-07-25 | 缪斯亚米有限公司 | Music transcription method, system and device |
| CN105161087A (en) * | 2015-09-18 | 2015-12-16 | 努比亚技术有限公司 | Automatic harmony method, device, and terminal automatic harmony operation method |
| CN105702249A (en) * | 2016-01-29 | 2016-06-22 | 北京精奇互动科技有限公司 | A method and apparatus for automatic selection of accompaniment |
| CN107301857A (en) * | 2016-04-15 | 2017-10-27 | 青岛海青科创科技发展有限公司 | A kind of method and system to melody automatically with accompaniment |
| CN108417190A (en) * | 2018-03-06 | 2018-08-17 | 安徽华熊科技有限公司 | A kind of reliable generation method and device |
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