CN108470476A - A kind of pronunciation of English matching correcting system - Google Patents
A kind of pronunciation of English matching correcting system Download PDFInfo
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- CN108470476A CN108470476A CN201810461567.7A CN201810461567A CN108470476A CN 108470476 A CN108470476 A CN 108470476A CN 201810461567 A CN201810461567 A CN 201810461567A CN 108470476 A CN108470476 A CN 108470476A
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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
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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Abstract
The invention discloses a kind of pronunciations of English to match correcting system, including standard pronunciation acquisition module, test tone acquisition module, information storage module, compare processing module, information export module, information display module and sound module, the output end of the standard pronunciation acquisition module and the input end signal of information storage module connect, the output end of the test tone acquisition module and the input end signal of information storage module connect, the output end of described information memory module is connect with the input end signal of comparison processing module, the output end of the comparison processing module is connect with the input end signal of information export module, the output end signal of described information export module is connected to the input terminal of information display module and sound module.A kind of pronunciation of English provided by the invention matches correcting system, and the pronunciation situation of detection student can be gone from many aspects, convenient for the grasp situation for the various aspects for observing student being more clear, the emphasis in later stage is facilitated to reinforce correction and make-up lessons.
Description
Technical field
Technical field is corrected in pronunciation matching in imparting knowledge to students the invention belongs to English language, more particularly, to a kind of pronunciation of English
Match correcting system.
Background technology
In order to reinforce study of the student for English language, after carrying out a class journey can to student carry out new word and
The evaluation and test of sentence has understood the study situation of student since, and the teacher of school is typically just investigated by test paper examination, and language
The study of speech class is not only embodied in the cognition to knowledge, is more therefore the expression being embodied on spoken language is expressed more on language
Pronunciation Grasping level of the student for new word and sentence can be embodied, on the other hand, for the student that pronunciation is difficult to change, often
It is difficult to change the pronunciation situation of student.
In order to correct the pronunciation of English of English study personnel, technical solution in the prior art has following several：
Chinese patent application 201621392003.5 discloses a kind of tool for correcting pronunciation of English, as shown in Figure 1, including
Tool outer casing and English correct component；It includes picture comparative device, power supply, input operating surface that the English, which corrects component,
Plate, radio reception device, camera, main control singlechip, the first display screen, data storage, a pair of of loud speaker, indicator light, the second display
Screen and third display screen；The application can be used to show that the standard pronunciation sound wave and nozzle type of English word, guiding user correctly to be sent out
Sound, and wrong pronunciation is corrected by the comparison of sound wave line and nozzle type, effectively improve the learning efficiency of English.
Chinese patent application 201420828510.3 discloses a kind of novel pronunciation of English correcting device, as shown in Fig. 2,
It includes standing acoustic waves line display, user's sound wave line display, backspace button, fast forward button, phonographic recorder, pronunciation similarity
Scoring display, power supply indicator, power switch are located on fuselage and are all connect with onboard motherboard, internal memory and centre
Reason device is connect with mainboard, and internal memory will record for storing recording and standard pronunciation at by central processing unit analysis
Reason forms sound wave image, feeds back to user's sound wave line display, by contrast standard phonodeik, is clear how certainly
The accuracy of oneself pronunciation, phonographic recorder can record user's pronunciation, and cooperation backspace button and fast forward button use can allow use
Compare to person's more hommization the similarities and differences of oneself pronunciation and standard pronunciation.
Patent No. CN201110152765.3 provides a kind of method for pronunciation evaluation comprising following steps：
Receive single languages or multilingual actual measurement voice signal；According to the actual measurement voice signal, actual measurement audio frame signal is generated；By institute
Actual measurement audio frame signal is stated compared with standard audio frame signal, it is similar to the standard frame block by comparing the actual measurement frame block
Degree, obtains the similarity of the actual measurement voice signal and the standard voice signal, and then assesses the actual measurement voice signal
Quality.
However the method for this total evaluation pronunciation similarity can not accurately identify pronunciation type and long minor, and then lead
It causes identification error rate higher, and not can designate that specific pronunciation erroneous point, such as long minor, pure and impure sound, plosive.
For this purpose, it is proposed that a kind of pronunciation of English matches correcting system, to solve the problems, such as to mention in above-mentioned background technology.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of pronunciation of English matching proposed is entangled
Positive system.
To achieve the goals above, present invention employs following technical solutions：
A kind of pronunciation of English matching correcting system, including standard pronunciation acquisition module, test tone acquisition module, information storage mould
Block, comparison processing module, information export module, information display module and sound module, the output of the standard pronunciation acquisition module
End is connect with the input end signal of information storage module, the output end of the test tone acquisition module and information storage module it is defeated
Enter end signal connection, the output end of described information memory module is connect with the input end signal of comparison processing module, the comparison
The output end of processing module is connect with the input end signal of information export module, and the output end signal of described information export module connects
It is connected to the input terminal of information display module and sound module.
The standard pronunciation acquisition module includes vowel pronunciation module, consonant pronunciation module and sentence pronunciation module, the mark
Quasi- sound acquisition module include vowel pronunciation module, consonant pronunciation similarity module and sentence pronunciation module and information storage module
Signal connects, and the standard pronunciation acquisition module and test tone acquisition module are disposed as sound pick-up.It is adopted by analyzing sound pick-up
The voice signal of collection can easily obtain sound amplitude parameter, and fundamental tone by bandpass filtering or can calculate average value
Mode obtains, and the ratio of sound medial vowel or consonant then needs to analyze the spectrum information of sound.
Therefore vowel-consonant identification module, the frequency in the vowel-consonant identification module are also set up in comparing processing module
Spectrum analysis uses the linear spectral method of estimation based on Correlogram, it is N number of observed value X (0) ... by random signal, X (N-
1) auto-correlation function R, is estimatedN(m), R is then sought againN(m) estimation of the Fourier transform as power spectrum.Tentatively differentiating
Go out after vowel, consonant to also need to tell the concrete type of consonant.
The voiceless consonant is the white noise signal similar to fundamental tone, and the identification of the plosive is sentenced using the rise time
Disconnected, the collected plosive of sound pick-up is usually the faster waveform that amplitude rises, i.e. the rise time is shorter；And nasal sound then uses
Energy counting method identifies, nasal sound is due to by nasal cavity, although amplitude and frequency are small compared with plosive, when its waveform rises
Between and fall time it is all relatively slow, energy is larger compared with plosive instead, therefore the identification of nasal sound is realized using energy counting method；
Preferably, described information memory module is set as computer storage dish, and the comparison processing module is set as pair
Compare processor.
Preferably, described information display module includes similarity display module, vowel pronunciation similarity display module, consonant
Pronunciation similarity display module and sentence pronunciation similarity display module, the similarity display module, vowel pronunciation similarity
The output of display module, consonant pronunciation similarity display module and sentence pronunciation similarity display module with information export module
End signal connects.
Preferably, described information display module is set as LED display, and the sound module is set as voice broadcast
Device.
A kind of pronunciation of English matching correcting method, includes the following steps：
S1：Standard pronunciation and test tone acquisition：Teacher acquires the standard pronunciation of new word and the standard of sentence by sound pick-up
Pronunciation, and being stored, student carries out the pronunciation of new word and the pronunciation of sentence by sound pick-up, for student for new word and
The pronunciation contrasting detection of sentence；
S2：Information storage and comparison：The standard pronunciation and test tone that are acquired in S1 steps are stored to computer storage dish, it is right
Test tone is tentatively identified, identifies vowel and consonant using linear spectral method of estimation, and then identify according to the rise time
Plosive identifies nasal sound according to energy counting method, identifies voiceless consonant according to the white noise similar to fundamental tone, and pass through comparison
Processor carries out comparison processing to standard pronunciation and test tone；
S3：Presentation of information：Handling result in S2 steps is shown by similarity display module, vowel pronunciation similarity
Module, consonant pronunciation similarity display module and sentence pronunciation similarity display module are shown on LED display, and comparison is similar
It spends to evaluate and test the pronunciation situation of student；
S4：Pronunciation correction：It is undesirable that display result in step S3 reports similarity by voice announcer respectively
Test tone, then report standard pronunciation, convenient for Faculty and Students study correct.
Compared with prior art, it is an advantage of the invention that：
1, pronunciation of English of the invention matches correcting system, and standard pronunciation acquisition module can acquire new word by sound pick-up
Standard pronunciation and sentence standard pronunciation, test tone acquisition module carries out the pronunciation of new word and the hair of sentence by sound pick-up
Sound, information storage module are used to store the standard pronunciation of new word and the test tone of the standard pronunciation of sentence and student,
It is carried out conducive to the comparison of next step, comparison processing module is used to carry out pair the test tone that is acquired and the standard pronunciation stored
Than processing.
2, pronunciation of English of the invention matches correcting system, and the study situation of student is evaluated and tested by comparing similarity, believes
Breath export module shows that harmony pronunciation takes for exporting comparative information, and by video, is corrected convenient for Faculty and Students.
3, pronunciation of English of the invention matches correcting system, is adopted by the spectrum analysis in the vowel-consonant identification module
With the linear spectral method of estimation based on Correlogram, it is N number of observed value X (0) ... by random signal, and X (N-1) is estimated
Auto-correlation function RN(m), R is then sought againN(m) estimation of the Fourier transform as power spectrum.In the preliminary vowel, auxiliary told
After sound, the concrete type of consonant is told, in favor of being corrected to the pronunciation of student in English teaching.
Description of the drawings
Fig. 1 is a kind of tool schematic diagram for correcting pronunciation of English in the prior art；
Fig. 2 is a kind of novel pronunciation of English correcting device schematic diagram in the prior art；
Fig. 3 is that a kind of pronunciation of English of the present invention matches correcting system module diagram；
Fig. 4 is that a kind of pronunciation of English of the present invention matches the module frame chart of correcting system standard pronunciation acquisition；
Fig. 5 is that a kind of pronunciation of English of the present invention matches the module frame chart of correcting system presentation of information.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
It please refers to Fig. 3-5, a kind of pronunciation of English matching correcting system, including standard pronunciation acquisition module, test tone and acquires mould
Block, information storage module, comparison processing module, information export module, information display module and sound module, the standard pronunciation are adopted
The input end signal of the output end and information storage module that collect module connects, the output end and information of the test tone acquisition module
The input end signal of memory module connects, and the output end and the input end signal of comparison processing module of described information memory module connect
It connects, the output end of the comparison processing module is connect with the input end signal of information export module, described information export module
Output end signal is connected to the input terminal of information display module and sound module.
In voice signal of the people when speaking only there are three parameter be variation：Sound amplitude, sound medial vowel or consonant
Ratio and fundamental tone.The standard pronunciation acquisition module includes vowel pronunciation module, consonant pronunciation module and sentence pronunciation module,
The standard pronunciation acquisition module includes that vowel pronunciation module, consonant pronunciation similarity module and sentence pronunciation module are deposited with information
Module by signal connection is stored up, and the standard pronunciation acquisition module and test tone acquisition module are disposed as sound pick-up.It is picked up by analysis
The voice signal of sound device acquisition can easily obtain sound amplitude parameter, and fundamental tone can be flat by bandpass filtering or calculating
The mode of mean value obtains, and can complete accurately to identify substantially, and the ratio of sound medial vowel or consonant then needs to analyze sound
Spectrum information.Therefore vowel-consonant identification module is also set up in comparing processing module.
By the research to pronunciation law it is found that when vowel pronunciation is sent out, respiratory air flow relatively unhinderedly by pharynx and
The mouth of opening；In nasal sound, respiratory air flow passes through nasal cavity；It is audible to generate by forcing air to cross from lung channel the compression in sound channel
Air-flow is seen, to generate fricative；By discharging the air pressure established in sound channel suddenly, then lip and tongue is used to close completely
Sound channel is closed, to generate plosive；The consonant pronunciation module further includes the identification of voiceless consonant, nasal sound and plosive；
The voiceless consonant is the white noise signal similar to fundamental tone, and identification is simple, and the identification of the plosive uses
Rise time judges that the collected plosive of sound pick-up is usually the faster waveform that amplitude rises, i.e. the rise time is shorter；
And nasal sound is then identified using energy counting method, and nasal sound is due to by nasal cavity, although amplitude and frequency are small compared with plosive,
Its waveform rise time and fall time are all relatively slow, and energy is larger compared with plosive instead, therefore using energy counting method come real
The identification of existing nasal sound.
The energy counting method refers to that the amplitude for the multiple points for acquiring speech waveform data is added to obtain energy counting, nasal sound
Energy count value it is higher with respect to the energy count value of other sounds, thus can tentatively be identified as nasal sound；The rise time is
Finger speech sound wave graphic data rises to the maximum amplitude required time from fundamental tone, and Approach by inchmeal may be used in the acquisition of maximum amplitude
Method obtains, and can also obtain local maximum as maximum amplitude using genetic algorithm.
Described information memory module is set as computer storage dish, and the comparison processing module is set as comparison processing
Device is respectively used to the comparison of the storage and similarity of standard pronunciation and test tone acquisition.
Described information display module includes similarity display module, vowel pronunciation similarity display module, consonant pronunciation phase
Like degree display module and sentence pronunciation similarity display module, the similarity display module, vowel pronunciation similarity show mould
The output end signal of block, consonant pronunciation similarity display module and sentence pronunciation similarity display module with information export module
Connection is better understood by similarity situation, while more intuitively showing commenting for various aspects for showing different data informations
Situation is surveyed, is corrected convenient for the orientation in later stage.
Described information display module is set as LED display, and the sound module is set as voice announcer, leads to respectively
Display screen and voice are crossed to carry out the presentation of similarity, spoken pronunciation situation is understood convenient for Faculty and Students.
Based on above-mentioned pronunciation of English matching system, the invention also discloses a kind of pronunciations of English to match correcting method, including
Following steps：
S1：Standard pronunciation and test tone acquisition：Teacher acquires the standard pronunciation of new word and the standard of sentence by sound pick-up
Pronunciation, and being stored, student carries out the pronunciation of new word and the pronunciation of sentence by sound pick-up, for student for new word and
The pronunciation contrasting detection of sentence；
S2：Information storage and comparison：The standard pronunciation and test tone that are acquired in S1 steps are stored to computer storage dish, it is right
Test tone is tentatively identified, identifies vowel and consonant using linear spectral method of estimation, and then identify according to the rise time
Plosive identifies nasal sound according to energy counting method, identifies voiceless consonant according to the white noise similar to fundamental tone, and pass through comparison
Processor carries out comparison processing to standard pronunciation and test tone；
S3：Presentation of information：Handling result in S2 steps is shown by similarity display module, vowel pronunciation similarity
Module, consonant pronunciation similarity display module and sentence pronunciation similarity display module are shown on LED display, and comparison is similar
It spends to evaluate and test the pronunciation situation of student；
S4：Pronunciation correction：It is undesirable that display result in step S3 reports similarity by voice announcer respectively
Test tone, then report standard pronunciation, convenient for Faculty and Students study correct.
Embodiment 2
A kind of pronunciation of English matching correcting system, including standard pronunciation acquisition module, test tone acquisition module, information storage mould
Block, comparison processing module, information export module, information display module and sound module, the output of the standard pronunciation acquisition module
End is connect with the input end signal of information storage module, the output end of the test tone acquisition module and information storage module it is defeated
Enter end signal connection, the output end of described information memory module is connect with the input end signal of comparison processing module, the comparison
The output end of processing module is connect with the input end signal of information export module, and the output end signal of described information export module connects
It is connected to the input terminal of information display module and sound module.
In voice signal of the people when speaking only there are three parameter be variation：Sound amplitude, sound medial vowel or consonant
Ratio and fundamental tone.The standard pronunciation acquisition module includes vowel pronunciation module, consonant pronunciation module and sentence pronunciation module,
The standard pronunciation acquisition module includes that vowel pronunciation module, consonant pronunciation similarity module and sentence pronunciation module are deposited with information
Module by signal connection is stored up, and the standard pronunciation acquisition module and test tone acquisition module are disposed as sound pick-up.It is picked up by analysis
The voice signal of sound device acquisition can easily obtain sound amplitude parameter, and fundamental tone can be flat by bandpass filtering or calculating
The mode of mean value obtains, and can complete accurately to identify substantially, and the ratio of sound medial vowel or consonant then needs to analyze sound
Spectrum information.Therefore vowel-consonant identification module is also set up in comparing processing module.
Spectrum analysis in the vowel-consonant identification module uses the linear spectral method of estimation based on Correlogram, it is
By N number of observed value X (0) of random signal ..., X (N-1) estimates auto-correlation function RN(m), R is then sought againN(m) Fourier
Estimation of the leaf transformation as power spectrum.Also need to tell the concrete type of consonant after tentatively telling vowel, consonant；It is described
The average value of power Spectral Estimation may be used in fundamental tone amplitude.
By the research to pronunciation law it is found that when vowel pronunciation is sent out, respiratory air flow relatively unhinderedly by pharynx and
The mouth of opening；In nasal sound, respiratory air flow passes through nasal cavity；It is audible to generate by forcing air to cross from lung channel the compression in sound channel
Air-flow is seen, to generate fricative；By discharging the air pressure established in sound channel suddenly, then lip and tongue is used to close completely
Sound channel is closed, to generate plosive；The consonant pronunciation module further includes the identification of voiceless consonant, nasal sound and plosive；
The voiceless consonant is the white noise signal similar to fundamental tone, and identification is simple, and the identification of the plosive uses
Rise time judges that the collected plosive of sound pick-up is usually the faster waveform that amplitude rises, i.e. the rise time is shorter；
And nasal sound is then identified using energy counting method, and nasal sound is due to by nasal cavity, although amplitude and frequency are small compared with plosive,
Its waveform rise time and fall time are all relatively slow, and energy is larger compared with plosive instead, therefore using energy counting method come real
The identification of existing nasal sound.
The energy counting method refers to that the amplitude for the multiple points for acquiring speech waveform data is added to obtain energy counting, nasal sound
Energy count value it is higher with respect to the energy count value of other sounds, thus can tentatively be identified as nasal sound；The rise time is
Finger speech sound wave graphic data rises to the maximum amplitude required time from fundamental tone, and Approach by inchmeal may be used in the acquisition of maximum amplitude
Method obtains, and can also obtain local maximum as maximum amplitude using genetic algorithm.
Described information memory module is set as computer storage dish, and the comparison processing module is set as comparison processing
Device is respectively used to the comparison of the storage and similarity of standard pronunciation and test tone acquisition.
Described information display module includes similarity display module, vowel pronunciation similarity display module, consonant pronunciation phase
Like degree display module and sentence pronunciation similarity display module, the similarity display module, vowel pronunciation similarity show mould
The output end signal of block, consonant pronunciation similarity display module and sentence pronunciation similarity display module with information export module
Connection is better understood by similarity situation, while more intuitively showing commenting for various aspects for showing different data informations
Situation is surveyed, is corrected convenient for the orientation in later stage.
Described information display module is set as LED display, and the sound module is set as voice announcer, leads to respectively
Display screen and voice are crossed to carry out the presentation of similarity, spoken pronunciation situation is understood convenient for Faculty and Students.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of pronunciation of English matches correcting system, it is characterised in that：The pronunciation matching correcting system includes standard pronunciation acquisition
Module, test tone acquisition module, information storage module, comparison processing module, information export module, information display module and sound
Module；The output end of the standard pronunciation acquisition module and the input terminal of information storage module connect, the test tone acquisition module
Output end and the input terminal of information storage module connect, the output end of described information memory module with compare the defeated of processing module
Enter end connection, the output end of the comparison processing module is connect with the input terminal of information export module, described information export module
Output end signal be connected to the input terminal of information display module and sound module；
The comparison processing module further includes preliminary identification module, and the preliminary identification module includes vowel-consonant identification module,
The vowel-consonant identification module identifies vowel and consonant using linear spectral method of estimation, and then is identified according to the rise time
Plosive, nasal sound is identified according to energy counting method, and voiceless consonant is identified according to the white noise similar to fundamental tone.
2. a kind of a kind of pronunciation of English matching correcting system described in claim 1, it is characterised in that：The standard pronunciation acquires mould
Block includes vowel pronunciation module, consonant pronunciation module and sentence pronunciation module, and the standard pronunciation acquisition module includes vowel pronunciation
Module, consonant pronunciation pronunciation similarity module and sentence pronunciation module are connect with information storage module signal, and the standard
Sound acquisition module and test tone acquisition module are disposed as sound pick-up.
3. a kind of pronunciation of English according to claim 1 or 2 matches correcting system, it is characterised in that：Described information stores
Module is set as computer storage dish.
4. a kind of pronunciation of English according to claim 1-3 matches correcting system, it is characterised in that：Described information shows mould
Block includes similarity display module, vowel pronunciation similarity display module, consonant pronunciation similarity display module and sentence pronunciation
Similarity display module, the similarity display module, vowel pronunciation similarity display module, consonant pronunciation similarity show mould
Block and sentence pronunciation similarity display module are connect with the output end of information export module.
5. a kind of pronunciation of English according to claim 1-4 matches correcting system, it is characterised in that：Described information shows mould
Block is set as LED display, and the sound module is set as voice announcer.
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| CN110825244A (en) * | 2019-11-06 | 2020-02-21 | 王一峰 | Modern Shanghai input method |
| CN112967539A (en) * | 2021-02-01 | 2021-06-15 | 湖南涉外经济学院 | Intelligent interactive teaching system for foreign language teaching |
| CN112967538A (en) * | 2021-03-01 | 2021-06-15 | 郑州铁路职业技术学院 | English pronunciation information acquisition system |
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| CN112967538A (en) * | 2021-03-01 | 2021-06-15 | 郑州铁路职业技术学院 | English pronunciation information acquisition system |
| CN112967538B (en) * | 2021-03-01 | 2023-09-15 | 郑州铁路职业技术学院 | English pronunciation information acquisition system |
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