CN110070847A - Musical sound assessment method and Related product - Google Patents
Musical sound assessment method and Related product Download PDFInfo
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- CN110070847A CN110070847A CN201910242673.0A CN201910242673A CN110070847A CN 110070847 A CN110070847 A CN 110070847A CN 201910242673 A CN201910242673 A CN 201910242673A CN 110070847 A CN110070847 A CN 110070847A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
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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
-
- 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
- G10H2210/066—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 for pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental
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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
- G10H2210/031—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
- G10H2210/091—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 for performance evaluation, i.e. judging, grading or scoring the musical qualities or faithfulness of a performance, e.g. with respect to pitch, tempo or other timings of a reference performance
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- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Auxiliary Devices For Music (AREA)
Abstract
The embodiment of the present application discloses a kind of musical sound assessment method and Related product, obtain the first tone data that player plays target song, default music score corresponding to target song is analyzed, it obtains with reference to musical sound characteristic locus, first tone data are analyzed, first tone characteristic locus is obtained, first tone characteristic locus is analyzed, determining terminates to play position；First tone characteristic locus is modified according to performance position is terminated, obtain second musical tone characteristic locus, second musical tone characteristic locus is matched with reference to musical sound characteristic locus, obtain note alignment result, result is aligned according to note, first tone data are analyzed, obtain note evaluation result, it is scored according to preset code of points note evaluation result, obtain musical sound evaluation result, and musical sound evaluating result is shown, to more intelligently carry out musical sound assessment, keep evaluating result more accurate.
Description
Technical field
This application involves musical sound processing technology fields, and in particular to a kind of musical sound assessment method and Related product.
Background technique
In music learning field, user's learning instrument is usually imparted knowledge to students by the music teachers of profession face-to-face, and
User practices after class, usually accompanies practice musical instrument by parent, and still, parent is usually not belonging to music speciality personnel, parent
Accompany practice, it is difficult to it is instructed to user, and professional ladder player is engaged to carry out training mate, it is costly, therefore, how to help
User is more intelligent, efficiently carries out devices for learning musical instruments becomes problem to be solved.
Summary of the invention
The embodiment of the present application provides a kind of musical sound assessment method and Related product, can it is more intelligent, accurately to pleasure
Sound data are tested and assessed.
In a first aspect, the embodiment of the present application provides a kind of musical sound assessment method, which comprises
Obtain the first tone data that player plays target song；
The corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, it is described with reference to pleasure
Sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are analyzed, are obtained
To first tone characteristic locus, the first tone characteristic locus is the musical sound characteristic locus arranged sequentially in time；
The first tone characteristic locus is analyzed, determining terminates to play position；To the first tone feature rail
Mark is modified, and obtains second musical tone characteristic locus；
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, note alignment knot is obtained
Fruit；
According to note alignment as a result, analyzing the first tone data, note evaluation result is obtained；According to
Preset code of points scores to the note evaluation result, obtains musical sound evaluation result, and test and assess and tie to the musical sound
Fruit is shown.
Second aspect, the embodiment of the present application provide a kind of musical sound assessment device, and the musical sound assessment device includes:
Acquiring unit is same as obtaining the first tone data that player plays target song；
Analytical unit is obtained for analyzing the corresponding default music score of the target song with reference to musical sound feature rail
Mark, described with reference to musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；To the first tone number
According to being analyzed, first tone characteristic locus is obtained, the first tone characteristic locus is arranged sequentially in time
Musical sound characteristic locus；
Amending unit, for analyzing the first tone characteristic locus, determining terminates to play position；To described
One musical sound characteristic locus is modified, and obtains second musical tone characteristic locus；
Matching unit is obtained for matching the second musical tone characteristic locus with reference to musical sound characteristic locus with described
Result is aligned to note；
Unit of testing and assessing for being aligned according to the note as a result, analyze the first tone data obtains note
Evaluation result；It is scored according to preset code of points the note evaluation result, obtains musical sound evaluation result, and to institute
Musical sound evaluating result is stated to be shown.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, including processor, memory, communication interface, and
One or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
It manages device to execute, above procedure is included the steps that for executing the instruction in the embodiment of the present application first aspect.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in the embodiment of the present application first aspect.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect.The computer program product can be one
A software installation packet.
As can be seen that musical sound assessment method and Related product described in the embodiment of the present application, obtain player and play
The first tone data of target song, default music score corresponding to target song are analyzed, and are obtained with reference to musical sound characteristic locus,
First tone data are analyzed, first tone characteristic locus is obtained, first tone characteristic locus is analyzed, determine knot
Beam plays position；First tone characteristic locus is modified according to performance position is terminated, obtains second musical tone characteristic locus, it will
Second musical tone characteristic locus is matched with reference to musical sound characteristic locus, obtain note alignment as a result, according to note alignment as a result,
First tone data are analyzed, note evaluation result is obtained, note evaluation result is carried out according to preset code of points
Scoring, obtains musical sound evaluation result, and be shown to musical sound evaluating result, in this way, can be by first tone characteristic locus
It is modified, obtains second musical tone characteristic locus, then by second musical tone characteristic locus and with reference to the progress of musical sound characteristic locus
Match, to more intelligently carry out musical sound assessment, keeps evaluating result more accurate.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is a kind of flow diagram of musical sound assessment method provided by the embodiments of the present application；
Figure 1B is a kind of demonstration schematic diagram of the application interface of musical sound assessment application disclosed in the embodiment of the present application；
Fig. 2 is the flow diagram of another kind musical sound assessment method disclosed in the embodiment of the present application；
Fig. 3 is the flow diagram of another kind musical sound assessment method disclosed in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application；
Fig. 5 is a kind of structural schematic diagram of musical sound assessment device disclosed in the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wireless headset calculate equipment or are connected to other processing equipments of radio modem and various forms of
User equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal
Device) etc., electronic equipment can be for example smart phone, tablet computer, laptop, palm PC, Earphone box etc.
Deng.For convenience of description, apparatus mentioned above is referred to as electronic equipment.
It describes in detail below to the embodiment of the present application.
Figure 1A is please referred to, Figure 1A is a kind of flow diagram of musical sound assessment method, the pleasure disclosed in the embodiment of the present application
Sound assessment method includes the following steps:
101, the first tone data that player plays target song are obtained.
Wherein, above-mentioned target song is the song that user is played by musical instrument, and musical instrument may include following any one
Kind: violin, piano, violoncello, guitar, accordion, Chinese zither etc., the application is with no restrictions.
Wherein, above-mentioned tone data can be the audio signal of microphone acquisition, the vibrating sensor being arranged on musical instrument
The vibration note signal of acquisition, by musical instrument digital interface (musical instrument digital interface,
MIDI the digital note signal etc.) obtained, the application is with no restrictions.
In the embodiment of the present application, the first tone data that the player plays target song are obtained, can be set by electronics
Standby upper microphone obtains the audio signal that player plays；Can also by by the vibrating sensor on electronic equipment and musical instrument into
Row connection, the signal of musical instrument vibration is obtained by the vibrating sensor on musical instrument, for example, user fingers a stringed instrument, can detect string
Vibration signal；Alternatively, can be obtained by the way that electronic equipment and the MIDI on musical instrument to be attached, when user plays an instrument
Corresponding number note signal.In specific implementation, the mountable musical sound assessment dedicated for instructing user to play of electronic equipment is answered
With Figure 1B being please referred to, for a kind of demonstration schematic diagram of the application interface of musical sound assessment application provided by the embodiments of the present application, electronics
Multiple music score of different songs can be stored in the memory of equipment, user can choose in the application interface of the application and will play
Target song, electronic equipment receive user choose target song instruction after, can show on a display screen as shown in Figure 1B
The corresponding music score of target song, then, when electronic equipment receive user triggering be used to indicate electronic equipment obtain musical sound number
According to open command, microphone start obtain tone data, alternatively, can musical sound test and assess application open after, open microphone, so
First tone data are obtained by microphone afterwards.
102, the corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, the ginseng
Examining musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are divided
Analysis, obtains first tone characteristic locus, the first tone characteristic locus is the musical sound feature arranged sequentially in time
Track.
In the embodiment of the present application, music score corresponding with target song can be stored in advance in the memory in electronic equipment, thus,
Electronic equipment receive user choose target song instruction after, can default music score corresponding to target song analyze,
It obtains with reference to musical sound characteristic locus.Electronic equipment can also analyze first tone data, obtain first tone characteristic locus.
103, the first tone characteristic locus is analyzed, determining terminates to play position；It is played according to the end
Position is modified the first tone characteristic locus, obtains second musical tone characteristic locus.
In the embodiment of the present application, first tone characteristic locus is analyzed using " musical sound note detection technology ", really
Fixed true end position, specifically, in first tone data, it is contemplated that at the time of player stops playing and electronic equipment
It is not necessarily consistent at the time of stopping acquisition first tone data, it is thus necessary to determine that terminating to play position, in first tone feature
In track, player stops the musical sound characteristic locus that the period corresponding musical sound characteristic locus after playing is played with player and deposits
It is distinguishing, therefore, can determine which musical sound feature is that note is special in first tone characteristic locus by musical sound note detection technology
Sign, which is not belonging to musical sound feature, thus, it may be determined that the position of the last one musical sound feature is to terminate to play position.
Then, position is played according to end to be modified first tone characteristic locus, obtain revised second musical tone
Characteristic locus.
Optionally, in above-mentioned steps 103, the first tone characteristic locus is analyzed, determining terminates to play position,
It can comprise the following steps that
31, musical sound note fixed reference feature is determined；
32, the musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature,
Obtain note characteristic matching degree track；
33, according to note characteristic matching degree track, recall from the ending of the first tone characteristic locus, find
It is greater than the track position of preset threshold with degree, determines that position is played in the end according to the track position greater than preset threshold
It sets.
Wherein, it may be determined that musical sound note fixed reference feature, by first tone characteristic locus musical sound feature and the musical sound
Note fixed reference feature is matched, and note characteristic matching degree track is obtained, according to note characteristic matching degree track, from first tone
The ending of characteristic locus is recalled, and the track position that match degree is greater than the preset threshold is found, according to the track position for being greater than preset threshold
It sets and determines that position is played in the end, thus, it may be determined which musical sound feature and musical sound note are joined in first tone characteristic locus
Characteristic matching degree is examined higher than preset threshold, which and musical sound note fixed reference feature matching degree are lower than preset threshold, thus, according to big
Determine that position is played in the end in the track position of preset threshold.
104, the second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains note alignment
As a result.
Wherein, second musical tone characteristic locus can be matched with reference to musical sound characteristic locus, obtain note pair as a result,
Wherein, note pair is as a result, refer in second musical tone characteristic locus with the musical sound feature of note and with reference to musical sound characteristic locus middle pitch
The musical sound feature of symbol is aligned result correspondingly.
Optionally, in above-mentioned steps 104, the second musical tone characteristic locus and the reference musical sound characteristic locus are carried out
Matching obtains note alignment as a result, can comprise the following steps that
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains matching degree apart from square
Battle array；
Through " dynamic programming algorithm " in the matching degree distance matrix, from the track of the second musical tone characteristic locus
Ending backtracking, determines that musical sound feature follows track；
By " end-point detection technology ", follows track to carry out endpoint amendment the musical sound feature, obtain the note pair
Neat result.
In the embodiment of the present application, it can be ended up and be recalled from track by dynamic programming algorithm, obtained musical sound feature and follow track,
Musical sound feature follows track to refer to each musical sound feature and matching degree in reference musical sound characteristic locus in second musical tone characteristic locus
After the nearest reference musical sound feature of distance corresponds, obtained musical sound feature follows track.Wherein, musical sound feature follows track
In there are some musical sound feature endpoints, so as to follow track to carry out endpoint amendment musical sound feature, obtain note alignment result.
105, it is aligned according to the note as a result, analyze the first tone data, obtains note evaluation result；
It is scored according to preset code of points the note evaluation result, obtains musical sound evaluation result, and survey to the musical sound
Result is commented to be shown.
It, can be according to note to the musical sound feature and reference in second musical tone characteristic locus in its result in the embodiment of the present application
The corresponding relationship of musical sound feature in musical sound characteristic locus, analyzes first tone data, determines in first tone data
The index parameter of the musical sound assessment indicator of multiple dimensions, obtains index parameter collection, and then according to index parameter collection and preset comments
Divider then scores.
Optionally, in above-mentioned steps 105, according to note alignment as a result, analyzing the first tone data,
Note evaluation result is obtained, is scored according to preset code of points the note evaluation result, musical sound evaluation and test knot is obtained
Fruit, it may include following steps:
51, musical sound evaluation metrics collection corresponding with note, the musical sound assessment indicator in the first tone data are determined
Concentration comprises at least one of the following musical sound assessment indicator: note pitch, rhythm note, note speed, musical sound dynamics, musical sound sound
Color, musical sound style, musical sound emotion；
52, result is aligned according to the note and determines that the musical sound evaluation metrics concentrate each musical sound evaluation metrics corresponding
Index parameter obtains index parameter collection, and the index parameter concentrates the corresponding default code of points of each index parameter,
In, the corresponding index parameter of the rhythm note is rhythm note deviation, and the corresponding index parameter of the note speed is sound
Accord with speed deviation；
53, each index parameter and corresponding default code of points is concentrated to determine that musical sound index is commented according to the index parameter
Score value obtains multiple score values；Comprehensive grading value is determined according to the multiple score value.
In the embodiment of the present application, musical sound evaluation metrics, which are concentrated, comprises at least one of the following musical sound assessment indicator: note pitch,
Rhythm note, note speed, musical sound dynamics, musical sound tone color, musical sound style, musical sound emotion；It can be stored in advance in electronic equipment
The corresponding code of points of each musical sound assessment indicator is stated, and then can determine the corresponding index parameter of each musical sound evaluation metrics
Afterwards, the corresponding score value of each index parameter is determined according to index parameter and code of points, thus, multiple musical sound evaluation and tests can be obtained
The corresponding multiple score values of index.Specifically, result can be aligned according to note and determine rhythm note deviation, according to rhythm note
Deviation and the corresponding code of points of rhythm note determine rhythm note score value；Sound is determined according to result can be aligned according to note
Speed deviation is accorded with, note speed score value is determined according to note speed deviation and the corresponding code of points of note speed；This
Outside, musical sound dynamics score value can be determined according to the corresponding index parameter of musical sound dynamics and code of points；It is corresponding according to musical sound tone color
Index parameter and code of points determine musical sound tone color score value；It is true according to the corresponding index parameter of musical sound style and code of points
Determine musical sound style score value；Musical sound emotion score value is determined according to the corresponding index parameter of musical sound emotion and code of points.
Optionally, the corresponding index parameter of the note pitch is note accuracy in pitch deviation, in above-mentioned steps 51, it is described really
Musical sound evaluation metrics collection corresponding with note in the fixed first tone data, it may include following steps:
A1, pass through " single-tone pitch estimation technique " or " multitone pitch estimation technique " in the first tone characteristic locus
Note carry out pitch estimation, obtain target note pitch parameters；
A2, the pitch parameters with reference in musical sound characteristic locus are determined, obtained with reference to note pitch feature；
A3, target note pitch parameters collection is compared with reference to note pitch feature set according to note alignment result
It is right, obtain note accuracy in pitch deviation.
Wherein, result can be aligned according to note and determine note accuracy in pitch deviation, then, according to note accuracy in pitch deviation and in advance
If the corresponding code of points of note pitch determine note accuracy in pitch score value.
It further, can be according to multiple scorings after determining the corresponding multiple score values of above-mentioned multiple musical sound assessment indicators
It is worth and determines comprehensive grading value.
Optionally, described to be aligned according to the note as a result, dividing the first tone data in above-mentioned steps 51
Analysis, obtains note evaluation result, can comprise the further steps of:
B1, result and the rhythm deviation are aligned according to the note, determine the leakage sound in the first tone data
With extra sound；
B2, result and the note accuracy in pitch deviation are aligned according to the note, determined in the first tone data
Wrong sound.
It, can also be according to root in addition to determining that player plays the corresponding comprehensive grading value of target song in the embodiment of the present application
According to note alignment result and rhythm deviation, the leakage sound and extra sound in first tone data are determined, according to the note
It is aligned result and note accuracy in pitch deviation, determines the wrong sound in the first tone data, thus, the tool that player can be made to play
Body problem, instructs player targetedly to be practiced.
As can be seen that musical sound assessment method described in the embodiment of the present application, obtains player and plays target song
First tone data, default music score corresponding to target song are analyzed, and are obtained with reference to musical sound characteristic locus, to first tone
Data are analyzed, and first tone characteristic locus is obtained, and are analyzed first tone characteristic locus, and determining terminates to play position
It sets；First tone characteristic locus is modified according to performance position is terminated, second musical tone characteristic locus is obtained, by second musical tone
Characteristic locus is matched with reference to musical sound characteristic locus, obtains note alignment as a result, being aligned according to note as a result, happy to first
Sound data are analyzed, and note evaluation result is obtained, and are scored according to preset code of points note evaluation result, are obtained
Musical sound evaluation result, and musical sound evaluating result is shown, in this way, can by being modified to first tone characteristic locus,
Second musical tone characteristic locus is obtained, is then matched second musical tone characteristic locus with reference to musical sound characteristic locus, thus more
Add intelligently progress musical sound assessment, keeps evaluating result more accurate.
Consistent with the abovely, Fig. 2 is a kind of flow diagram of musical sound assessment method disclosed in the embodiment of the present application.Using
In electronic equipment, which includes the following steps:
201, the first tone data that player plays target song are obtained.
202, the corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, the ginseng
Examining musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are divided
Analysis, obtains first tone characteristic locus, the first tone characteristic locus is the musical sound feature arranged sequentially in time
Track.
203, musical sound note fixed reference feature is determined.
204, the musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature,
Obtain note characteristic matching degree track.
205, according to note characteristic matching degree track, recall from the ending of the first tone characteristic locus, find
The track position that match degree is greater than the preset threshold determines that position is played in the end according to the track position greater than preset threshold
It sets.
206, position is played according to the end to be modified the first tone characteristic locus, obtain second musical tone spy
Levy track.
207, the second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains note alignment
As a result.
208, it is aligned according to the note as a result, analyze the first tone data, obtains note evaluation result；
It is scored according to preset code of points the note evaluation result, obtains musical sound evaluation result, and survey to the musical sound
Result is commented to be shown.
As can be seen that musical sound assessment method described in the embodiment of the present application, plays target song by obtaining player
Purpose first tone data, default music score corresponding to target song are analyzed, and are obtained with reference to musical sound characteristic locus, to first
Tone data is analyzed, and first tone characteristic locus is obtained, by the musical sound feature and musical sound sound in first tone characteristic locus
Symbol fixed reference feature is matched, and note characteristic matching degree track is obtained, according to note characteristic matching degree track, from first tone spy
The ending backtracking for levying track, finds the track position that match degree is greater than the preset threshold, according to the track position for being greater than preset threshold
Determining terminates to play position, is modified according to performance position is terminated to first tone characteristic locus, obtains second musical tone feature
Track matches second musical tone characteristic locus with reference to musical sound characteristic locus, obtains note alignment as a result, according to note pair
Together as a result, analyzing first tone data, note evaluation result is obtained, note is evaluated and tested according to preset code of points and is tied
Fruit scores, and obtains musical sound evaluation result, and be shown to musical sound evaluating result, in this way, can be by first tone spy
Sign track is modified, and obtains second musical tone characteristic locus, then by second musical tone characteristic locus and with reference to musical sound characteristic locus
It is matched, to more intelligently carry out musical sound assessment, keeps evaluating result more accurate.
Consistent with the abovely, Fig. 3 is a kind of flow diagram of musical sound assessment method disclosed in the embodiment of the present application.The pleasure
Sound assessment method includes the following steps:
301, the first tone data that player plays target song are obtained.
302, the corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, the ginseng
Examining musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are divided
Analysis, obtains first tone characteristic locus, the first tone characteristic locus is the musical sound feature arranged sequentially in time
Track.
303, the first tone characteristic locus is analyzed, determining terminates to play position；It is played according to the end
Position is modified the first tone characteristic locus, obtains second musical tone characteristic locus.
304, the second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains note alignment
As a result.
305, musical sound evaluation metrics collection corresponding with note in the first tone data is determined.
306, result is aligned according to the note and determines that the musical sound evaluation metrics concentrate each musical sound evaluation metrics corresponding
Index parameter, obtain index parameter collection, the index parameter concentrates the corresponding default code of points of each index parameter, institute
It states musical sound assessment indicator concentration and comprises at least one of the following musical sound assessment indicator: note pitch, rhythm note, note speed, pleasure
Sound dynamics, musical sound tone color, musical sound style, musical sound emotion, wherein the corresponding index parameter of the rhythm note is that rhythm note is inclined
Difference, the corresponding index parameter of the note speed are note speed deviation.
307, each index parameter and corresponding default code of points is concentrated to determine musical sound index according to the index parameter
Score value obtains multiple score values；Comprehensive grading value is determined according to the multiple score value.
308, result and the rhythm deviation are aligned according to the note, determine the leakage sound in the first tone data
With extra sound.
309, result and the note accuracy in pitch deviation are aligned according to the note, determined in the first tone data
Wrong sound；Musical sound evaluating result comprising the comprehensive grading value and the leakage sound, extra sound and wrong sound is shown.
Wherein, the specific descriptions of above-mentioned steps 301- step 309 are referred to musical sound assessment side described in Figure 1A and Fig. 2
The corresponding description of method, details are not described herein.
As can be seen that musical sound assessment method described in the embodiment of the present application, obtains player and plays target song
First tone data, default music score corresponding to target song are analyzed, and are obtained with reference to musical sound characteristic locus, to first tone
Data are analyzed, and first tone characteristic locus is obtained, and are analyzed first tone characteristic locus, play position according to end
First tone characteristic locus is modified, second musical tone characteristic locus is obtained, by second musical tone characteristic locus and refers to musical sound
Characteristic locus is matched, and obtains note alignment as a result, being aligned result according to note determines that musical sound evaluation metrics concentrate each pleasure
The corresponding index parameter of sound evaluation metrics, obtains index parameter collection, concentrates each index parameter and corresponding according to index parameter
Default code of points determines musical sound index score value, obtains multiple score values；Comprehensive grading value, root are determined according to multiple score values
According to note alignment result and rhythm deviation, the leakage sound and extra sound in first tone data are determined, result is aligned according to note
With note accuracy in pitch deviation, the wrong sound in first tone data is determined, to including comprehensive grading value and leakage sound, extra sound and wrong sound
Musical sound evaluating result be shown, in this way, the leakage sound of the extra performance in playing procedure, extra sound and wrong sound can be obtained, with
And the comprehensive grading value after scoring musical sound evaluation metrics makes evaluating result to more intelligently carry out musical sound assessment
In further detail, accurately.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application, as shown, should
Electronic equipment includes processor, memory, communication interface, and one or more programs, wherein said one or multiple programs
It is stored in above-mentioned memory, and is configured to be executed by above-mentioned processor, above procedure includes for executing following steps
Instruction:
Obtain the first tone data that player plays target song；
The corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, it is described with reference to pleasure
Sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are analyzed, are obtained
To first tone characteristic locus, the first tone characteristic locus is the musical sound characteristic locus arranged sequentially in time；
The first tone characteristic locus is analyzed, determining terminates to play position；Position is played according to the end
The first tone characteristic locus is modified, second musical tone characteristic locus is obtained；
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, note alignment knot is obtained
Fruit；
According to note alignment as a result, analyzing the first tone data, note evaluation result is obtained；According to
Preset code of points scores to the note evaluation result, obtains musical sound evaluation result, and test and assess and tie to the musical sound
Fruit is shown.
In a possible example, the first tone characteristic locus is analyzed described, determining terminates to play
In terms of position, above procedure includes the instruction for executing following steps:
Determine musical sound note fixed reference feature；
Musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature, is obtained
Note characteristic matching degree track；
According to note characteristic matching degree track, recalls from the ending of the first tone characteristic locus, find matching
Degree is greater than the track position of preset threshold, determines that position is played in the end according to the track position greater than preset threshold.
In a possible example, described by the second musical tone characteristic locus and described with reference to musical sound characteristic locus
It is matched, in terms of obtaining note alignment result, above procedure includes the instruction for executing following steps:
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains matching degree apart from square
Battle array；
Through " dynamic programming algorithm " in the matching degree distance matrix, from the track of the second musical tone characteristic locus
Ending backtracking, determines that musical sound feature follows track；
By " end-point detection technology ", follows track to carry out endpoint amendment the musical sound feature, obtain the note pair
Neat result.
In a possible example, it is aligned according to the note as a result, being carried out to the first tone data described
Analysis, obtains note evaluation result, is scored according to preset code of points the note evaluation result, obtain musical sound and comment
In terms of surveying result, above procedure includes the instruction for executing following steps:
Determine musical sound evaluation metrics collection corresponding with note in the first tone data；
Result, which is aligned, according to the note determines that the musical sound evaluation metrics concentrate the corresponding finger of each musical sound evaluation metrics
Parameter is marked, index parameter collection is obtained, the index parameter concentrates the corresponding default code of points of each index parameter, the pleasure
Sound assessment indicator concentration comprises at least one of the following musical sound assessment indicator: note pitch, rhythm note, note speed, musical sound power
Degree, musical sound tone color, musical sound style, musical sound emotion, wherein the corresponding index parameter of the rhythm note is rhythm note deviation
Value, the corresponding index parameter of the note speed are note speed deviation；
Each index parameter and corresponding default code of points is concentrated to determine that musical sound index scores according to the index parameter
Value, obtains multiple score values；Comprehensive grading value is determined according to the multiple score value.
It is note accuracy in pitch deviation in the corresponding index parameter of the note pitch in a possible example, it is described
Determine in the first tone data in terms of corresponding with note musical sound evaluation metrics collection, above procedure further include for execute with
The instruction of lower step:
By " single-tone pitch estimation technique " or " multitone pitch estimation technique " in the first tone characteristic locus
Note carries out pitch estimation, obtains target note pitch parameters；
It determines the pitch parameters with reference in musical sound characteristic locus, obtains with reference to note pitch feature；
It is aligned result according to the note target note pitch parameters collection is compared with reference to note pitch feature set,
Obtain note accuracy in pitch deviation.
In a possible example, it is aligned according to the note as a result, being carried out to the first tone data described
Analysis, in terms of obtaining note evaluation result, above procedure further includes the instruction for executing following steps:
It is aligned result and the rhythm deviation according to the note, determines leakage sound in the first tone data and more
Lingering sound；
It is aligned result and the note accuracy in pitch deviation according to the note, determines the mistake in the first tone data
Sound.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment
Block.Those skilled in the art should be readily appreciated that, in conjunction with each exemplary unit of embodiment description presented herein
And algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of musical sound assessment device, the pleasure disclosed in the embodiment of the present application
Sound assessment device include acquiring unit 501, analytical unit 502, amending unit 503, matching unit 504 and assessment unit 505,
Wherein,
The acquiring unit 501 is same as obtaining the first tone data that player plays target song；
The analytical unit 502 is obtained for analyzing the corresponding default music score of the target song with reference to musical sound
Characteristic locus, described with reference to musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；To described first
Tone data is analyzed, and first tone characteristic locus is obtained, and the first tone characteristic locus is to carry out sequentially in time
The musical sound characteristic locus of arrangement；
The amending unit 503, for analyzing the first tone characteristic locus, determining terminates to play position；
The first tone characteristic locus is modified, second musical tone characteristic locus is obtained；
The matching unit 504, for carrying out the second musical tone characteristic locus and the reference musical sound characteristic locus
Matching obtains note alignment result；
The assessment unit 505, for being aligned according to the note as a result, analyze the first tone data,
Obtain note evaluation result；It is scored according to preset code of points the note evaluation result, obtains musical sound evaluation and test knot
Fruit, and the musical sound evaluating result is shown.
Optionally, the first tone characteristic locus is analyzed described, is determined in terms of terminating to play position, it is described
Amending unit is specifically used for:
Determine musical sound note fixed reference feature；
Musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature, is obtained
Note characteristic matching degree track；
According to note characteristic matching degree track, recalls from the ending of the first tone characteristic locus, find matching
Degree is greater than the track position of preset threshold, determines that position is played in the end according to the track position greater than preset threshold.
Optionally, the matching unit 504 is specifically used for:
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, obtains matching degree apart from square
Battle array；
Through " dynamic programming algorithm " in the matching degree distance matrix, from the track of the second musical tone characteristic locus
Ending backtracking, determines that musical sound feature follows track；
By " end-point detection technology ", follows track to carry out endpoint amendment the musical sound feature, obtain the note pair
Neat result.
Optionally, it is aligned according to the note as a result, analyze the first tone data described, obtains note
Evaluation result scores to the note evaluation result according to preset code of points, in terms of obtaining musical sound evaluation result, institute
Assessment unit 505 is stated to be specifically used for:
Determine musical sound evaluation metrics collection corresponding with note in the first tone data；
Result, which is aligned, according to the note determines that the musical sound evaluation metrics concentrate the corresponding finger of each musical sound evaluation metrics
Parameter is marked, index parameter collection is obtained, the index parameter concentrates the corresponding default code of points of each index parameter, the pleasure
Sound assessment indicator concentration comprises at least one of the following musical sound assessment indicator: note pitch, rhythm note, note speed, musical sound power
Degree, musical sound tone color, musical sound style, musical sound emotion, wherein the corresponding index parameter of the rhythm note is rhythm note deviation
Value, the corresponding index parameter of the note speed are note speed deviation；
Each index parameter and corresponding default code of points is concentrated to determine that musical sound index scores according to the index parameter
Value, obtains multiple score values；Comprehensive grading value is determined according to the multiple score value.
Optionally, the corresponding index parameter of the note pitch is note accuracy in pitch deviation, in the determination described first
In tone data in terms of musical sound evaluation metrics collection corresponding with note, the assessment unit 505 is specifically used for:
By " single-tone pitch estimation technique " or " multitone pitch estimation technique " in the first tone characteristic locus
Note carries out pitch estimation, obtains target note pitch parameters；
It determines the pitch parameters with reference in musical sound characteristic locus, obtains with reference to note pitch feature；
It is aligned result according to the note target note pitch parameters collection is compared with reference to note pitch feature set,
Obtain note accuracy in pitch deviation.
Optionally, it is aligned according to the note as a result, analyze the first tone data described, obtains note
In terms of evaluation result, the assessment unit 505 is also used to:
It is aligned result and the rhythm deviation according to the note, determines leakage sound in the first tone data and more
Lingering sound；
It is aligned result and the note accuracy in pitch deviation according to the note, determines the mistake in the first tone data
Sound.
As can be seen that musical sound assessment device described in the embodiment of the present application, obtains player and plays target song
First tone data, default music score corresponding to target song are analyzed, and are obtained with reference to musical sound characteristic locus, to first tone
Data are analyzed, and first tone characteristic locus is obtained, and are analyzed first tone characteristic locus, and determining terminates to play position
It sets；First tone characteristic locus is modified according to performance position is terminated, second musical tone characteristic locus is obtained, by second musical tone
Characteristic locus is matched with reference to musical sound characteristic locus, obtains note alignment as a result, being aligned according to note as a result, happy to first
Sound data are analyzed, and note evaluation result is obtained, and are scored according to preset code of points note evaluation result, are obtained
Musical sound evaluation result, and musical sound evaluating result is shown, in this way, can by being modified to first tone characteristic locus,
Second musical tone characteristic locus is obtained, is then matched second musical tone characteristic locus with reference to musical sound characteristic locus, thus more
Add intelligently progress musical sound assessment, keeps evaluating result more accurate.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer
A kind of some or all of musical sound assessment method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any musical sound assessment method recorded in method embodiment step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in 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 be realized in the form of software program module.
If the integrated unit is realized in the form of software program module and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (read-only memory, ROM), random access memory
The various media that can store program code such as (random access memory, RAM), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
It may include: flash disk, ROM, RAM, disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of musical sound assessment method, which is characterized in that the described method includes:
Obtain the first tone data that player plays target song；
The corresponding default music score of the target song is analyzed, is obtained with reference to musical sound characteristic locus, it is described special with reference to musical sound
Levying track is the musical sound characteristic locus arranged sequentially in time；The first tone data are analyzed, obtain
One musical sound characteristic locus, the first tone characteristic locus are the musical sound characteristic locus arranged sequentially in time；
The first tone characteristic locus is analyzed, determining terminates to play position；Position is played to institute according to the end
It states first tone characteristic locus to be modified, obtains second musical tone characteristic locus；
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, note alignment result is obtained；
According to note alignment as a result, analyzing the first tone data, note evaluation result is obtained；According to default
Code of points score the note evaluation result, obtain musical sound evaluation result, and to the musical sound evaluating result into
Row is shown.
2. the method according to claim 1, wherein described analyze the first tone characteristic locus,
Determining terminates to play position, comprising:
Determine musical sound note fixed reference feature；
Musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature, obtains note
Characteristic matching degree track；
According to note characteristic matching degree track, recalls from the ending of the first tone characteristic locus, it is big to find matching degree
In the track position of preset threshold, determine that position is played in the end according to the track position greater than preset threshold.
3. method according to claim 1 or 2, which is characterized in that it is described by the second musical tone characteristic locus with it is described
It is matched with reference to musical sound characteristic locus, obtains note alignment result, comprising:
The second musical tone characteristic locus is matched with described with reference to musical sound characteristic locus, matching degree distance matrix is obtained；
Through " dynamic programming algorithm " in the matching degree distance matrix, end up from the track of the second musical tone characteristic locus
Backtracking, determines that musical sound feature follows track；
It by " end-point detection technology ", follows track to carry out endpoint amendment the musical sound feature, obtains the note alignment knot
Fruit.
4. method according to claim 1-3, which is characterized in that described to be aligned according to the note as a result, right
The first tone data are analyzed, and note evaluation result is obtained, and are evaluated and tested and are tied to the note according to preset code of points
Fruit scores, and obtains musical sound evaluation result, comprising:
Determine musical sound evaluation metrics collection corresponding with note in the first tone data；
Result, which is aligned, according to the note determines that the musical sound evaluation metrics concentrate the corresponding index ginseng of each musical sound evaluation metrics
Number obtains index parameter collection, and the index parameter concentrates the corresponding default code of points of each index parameter, and the musical sound is surveyed
It comments and comprises at least one of the following musical sound assessment indicator in index set: note pitch, rhythm note, note speed, musical sound dynamics, pleasure
Sound tone color, musical sound style, musical sound emotion, wherein the corresponding index parameter of the rhythm note is rhythm note deviation, described
The corresponding index parameter of note speed is note speed deviation；
It concentrates each index parameter and corresponding default code of points to determine musical sound index score value according to the index parameter, obtains
To multiple score values；Comprehensive grading value is determined according to the multiple score value.
5. according to the method described in claim 4, it is characterized in that, the corresponding index parameter of the note pitch is note accuracy in pitch
Deviation, musical sound evaluation metrics collection corresponding with note in the determination first tone data, comprising:
By " single-tone pitch estimation technique " or " multitone pitch estimation technique " to the note in the first tone characteristic locus
Pitch estimation is carried out, target note pitch parameters are obtained；
It determines the pitch parameters with reference in musical sound characteristic locus, obtains with reference to note pitch feature；
Result is aligned according to the note target note pitch parameters collection is compared with reference to note pitch feature set, obtain
Note accuracy in pitch deviation.
6. method according to claim 4 or 5, which is characterized in that described to be aligned according to the note as a result, to described the
One tone data is analyzed, and note evaluation result is obtained, further includes:
It is aligned result and the rhythm deviation according to the note, determines leakage sound in the first tone data and extra
Sound；
It is aligned result and the note accuracy in pitch deviation according to the note, determines the wrong sound in the first tone data.
7. a kind of audio assessment device, which is characterized in that the audio assessment device includes:
Acquiring unit is same as obtaining the first tone data that player plays target song；
Analytical unit is obtained for analyzing the corresponding default music score of the target song with reference to musical sound characteristic locus, institute
Stating with reference to musical sound characteristic locus is the musical sound characteristic locus arranged sequentially in time；The first tone data are carried out
Analysis, obtains first tone characteristic locus, and the first tone characteristic locus is the musical sound spy arranged sequentially in time
Levy track；
Amending unit, for analyzing the first tone characteristic locus, determining terminates to play position；It is happy to described first
Sound characteristic locus is modified, and obtains second musical tone characteristic locus；
Matching unit obtains sound for matching the second musical tone characteristic locus with reference to musical sound characteristic locus with described
Symbol alignment result；
Unit of testing and assessing for being aligned according to the note as a result, analyze the first tone data obtains note evaluation and test
As a result；It is scored according to preset code of points the note evaluation result, obtains musical sound evaluation result, and to the pleasure
Sound evaluating result is shown.
8. device according to claim 7, which is characterized in that divide described the first tone characteristic locus
Analysis determines that the amending unit is specifically used in terms of terminating to play position:
Determine musical sound note fixed reference feature；
Musical sound feature in the first tone characteristic locus is matched with the musical sound note fixed reference feature, obtains note
Characteristic matching degree track；
According to note characteristic matching degree track, recalls from the ending of the first tone characteristic locus, it is big to find matching degree
In the track position of preset threshold, determine that position is played in the end according to the track position greater than preset threshold.
9. a kind of electronic equipment, which is characterized in that including processor, memory, communication interface, and one or more programs,
One or more of programs are stored in the memory, and are configured to be executed by the processor, described program packet
Include the instruction for executing the step in as the method according to claim 1 to 6.
10. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange,
In, the computer program makes computer execute as the method according to claim 1 to 6.
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