CN101739870A - Interactive language learning system and method - Google Patents
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Abstract
The invention relates to an interactive language learning system and an interactive language learning method. A core module of the interactive language learning system comprises a feature extraction module, a voice recognition module, a pronunciation evaluation module, a rhythm detection module and a rhythm evaluation module, all of which form a pronunciation and rhythm detection module. The interactive language learning system can judge and feed back the voice input of a learner in real time, so that the learner can accurately know specific pronunciation errors, and provide the memory content by combining the feedback result and the dynamic memory curve. Therefore, the learner can improve the language level gradually and form an interactive learning style.
Description
[technical field]
The present invention relates to a kind of interacting language learning system and interacting language learning method.
[background technology]
Language learning is one of very important part during people gain knowledge.Also there is increasing people to rely on the language learning aid to improve the speed and the efficient of language learning.Abundant learning content, interactive interactive mode, personalized course, the aspect such as to be convenient to operate be the inexorable trend of the development of langue leaning system.
Dictionary essence is a kind of assisted learning system, and it only is media with the literal, though helpful on reading and writing, can not play direct help for listening and speaking.Along with the continuous development of technology such as computing machine, multimedia, voice, can the assistant learning system that aspects such as listening, speaking, reading and writing have to a certain degree or part is supported be continued to bring out.From the appearance of e-dictionary, reading following machine finally, point reader, and some learning softwares are enriched the form of assisted learning system and function such as the appearance of hearing, writing software etc. gradually.
But the weak point of these systems is the part supports that only realized listening, speaking, reading and writing, each link of language learning is not organically combined, and lacks real-time false judgment and feedback, and the learner is just accepting passively.Wherein have system, but it finally gives learner's just mark or rank to voice quality evaluation and test, and the difficult tool accuracy of this mark and authority.The more important thing is, the learner is concerned about be own pronunciation concrete mistake, which place is wrong, still this evaluating pronunciation system is difficult to provide the result that the learner wants, and does not tell how the learner corrects a mistake.
Therefore, there is defective in prior art, needs to improve.
[summary of the invention]
In view of this, be necessary the interacting language learning system and the interacting language learning method that the real-time feedback learning error situation of a kind of energy are provided and have interactive exercise and interactive memory at the problems referred to above.
A kind of interacting language learning system comprises: voice acquisition module is used to gather learner's speech data; Pronunciation and prosody detection module are used for extracting the characteristic parameter that is used to pronounce with rhythm error-detecting from speech data, and to the degree that mistake is further judged and controlled wrong demonstration, obtain final phoneme mistake and rhythm mistake; Data storage and statistical module are used to write down described phoneme mistake and rhythm mistake, and give overall assessment in conjunction with these mistakes to learner's pronunciation situation, and evaluation result is fed back to interactive module; Interactive module comprises display interface, and described display interface is used to show phoneme mistake and rhythm mistake, learner the pronounce overall assessment and the help options of situation, and the pronunciation prompting is provided.
Preferably, described pronunciation and prosody detection module comprise: characteristic extracting module is used for extracting the characteristic parameter that is used to pronounce with rhythm error-detecting from described speech data; Sound identification module, is discerned described characteristic parameter in conjunction with language model or speech network based on acoustic model, obtains word sequence, aligned phoneme sequence, corresponding time border, likelihood probability value respectively; The pronunciation evaluation module is used for the aligned phoneme sequence that identification is obtained and the reference phoneme of system and compares alignment, obtains phoneme mistake and help options; Prosody detection module is used in conjunction with characteristic parameter, aligned phoneme sequence, time boundary information, adopts statistical model to obtain word and reads pattern, whole sentence intonation and time rhythm again; Rhythm evaluation module is used for reading word again pattern, whole sentence intonation and time rhythm with comparing with reference to pronunciation, obtains rhythm mistake and help options.
Preferably, the speech data of described voice acquisition module collection comprises that the pronunciation prompting that system is provided follow the speech data of reading and obtaining in a minute according to the sight that pronounces.
Preferably, described pronunciation evaluation module at first uses the method for statistics to carry out the differentiation of word level content in conjunction with described word sequence, aligned phoneme sequence, time border and likelihood probability value, if content is inconsistent, the system log (SYSLOG) content false, and the whole sentence of prompting content is undesirable in described interactive module, and the request learner re-enters voice; Otherwise phoneme is detected, obtain the phoneme mistake, comprise insertion, deletion, the replacement mistake of phoneme in the word.
Preferably, pattern read again in described word is that unit is judged with the syllable, comprises the position of main stressed syllable in the word and the position of time stressed syllable; Described whole sentence intonation is the sentence stress of whole word, i.e. the position of stressed syllable in this sentence, and it reflects whole fundamental frequency variation tendency based on syllable and intonation; Described time rhythm is the judgement to speed of speaking and duration.
Preferably, pronunciation text, the target learning content that this pronunciation text is the learner are adopted in the pronunciation of described interactive module prompting; Or adopt with reference to pronunciation, this is the received pronunciation that the people sent out of target language country with reference to pronunciation; Again or adopt the pronunciation sight, this pronunciation sight is the sight that system provides, and requires the learner according to this pronunciation sight in a minute.
Preferably, described interactive module also comprises inputting interface, and described inputting interface is used to select memory pattern, learning content or logs off; Described display interface also is used for the display system feedack, comprises audio frequency and spelling information and described data storage and statistical module feedack; Described interactive module is selected the language learning material, by audio frequency or text mode the learner is pointed out, audio prompt is the pronunciation that system provides needs memory, the requirement learner spells and follows and read, the spelling prompting is the text prompt that system provides the spelling content that needs memory, require the learner to spell, obtain spelling content; Described interacting language learning system also comprises text collection module and text spelling detection module, and described text collection module is used to gather described spelling content, obtains input text; Described text spelling detection module is used to check input text, by calculating the similarity editing distance of input text and model answer text, obtains misspelling; Described data storage and statistical module also are used to write down described misspelling; Described data storage and statistical module also wrap and expand a database, and concrete error statistics situation will be write this database in time, and this database is not only stored learning records, but also has stored learning content; System is according to the learning content of storing in the memory pattern of current error logging, selection and the database, select and produce new learning content and audio frequency and spelling prompting, feed back to described interactive module, thereby enter the interactive learning of next round, perhaps reselect learning content, or log off according to current study schedule.
Preferably, described misspelling comprises alternative, insertion and deletion error.
Preferably, described interactive module also is used to show the session operational scenarios of a group task form, after selected certain session operational scenarios of this interactive module, the subtask will occur, the information that the learner will provide according to this interactive module is carried out interactive operation and is pronounced and spell and finish the work; Described interacting language learning system also comprises user interface, operation discrimination module; Described user interface is used to gather described interactive operation; Described operation discrimination module is used to judge whether described interactive operation meets mission requirements, obtains operating mistake; Described data storage and statistical module also are used to write down described operating mistake, and described database has also been stored the information relevant with dialogue; Described interacting language learning system also comprises the session operational scenarios module, and error statistics and the information relevant with dialogue according to described data storage and statistical module output dynamically generate new session operational scenarios, and shows by described interactive module; The learner can select to enter new round study by described interactive module, perhaps withdraws from study.
Preferably, the implementation of described interacting language learning system be client/server approach, browser/server mode, a kind of based in the single cpu mode of embedded system.
A kind of interacting language learning method comprises: gather the speech data that the requirement of learner's follow procedure pronounces to obtain; From speech data, extract the characteristic parameter that is used to pronounce with rhythm error-detecting; Based on acoustic model, in conjunction with language model or speech network, characteristic parameter is discerned, obtain word sequence, aligned phoneme sequence, corresponding time border, likelihood probability value respectively; The reference phoneme of aligned phoneme sequence and system is compared alignment, obtain phoneme mistake and help options; In conjunction with characteristic parameter, aligned phoneme sequence, time boundary information, adopt statistical model to obtain word and read pattern, whole sentence intonation and time rhythm again; Read word again pattern, whole sentence intonation and time rhythm with comparing, obtain rhythm mistake and help options with reference to pronunciation; Show phoneme, rhythm mistake, the overall assessment and the help options of pronunciation situation, and the pronunciation prompting is provided.
Preferably, further comprising the steps of: before gathering speech data, the memory material of output audio or text mode requires the learner to pronounce and spells; Gather the spelling content that needs memory, obtain input text; Check input text, obtain misspelling; Carry out error statistics according to the phoneme that obtains, the rhythm and misspelling, write down concrete phoneme mistake, rhythm mistake and misspelling situation, and provide evaluation score and feedback information; Show and estimate score and feedback information; Receive the instruction of selecting memory pattern, learning content or quitting a program.
Preferably, further comprising the steps of: show session operational scenarios, the learner by the session operational scenarios requirement pronounce, spelling and interactive operation; Gather interactive operation; Judge that whether interactive operation meets mission requirements, obtains operating mistake; Carry out error statistics according to the phoneme that obtains, the rhythm, spelling and operating mistake, write down concrete phoneme pronunciation, the rhythm, spelling and operating mistake situation, and provide evaluation score and feedback; Dynamically generate new session operational scenarios, and show.
The real-time phonetic entry with the learner of above-mentioned interacting language learning system energy is judged and is fed back, learner's input audio frequency is carried out the rhythm detection of the utterance detection and the word level of phone-level, make the learner can accurately hold oneself the pronunciation concrete wrong part, and dynamically provide the memory content in conjunction with feedback result and memory curve, make the raising language proficiency that the learner can be incremental, form a kind of interactively mode of learning.
[description of drawings]
Fig. 1 is the synoptic diagram of interacting language learning system first embodiment.
Fig. 2 is the synoptic diagram of pronunciation and prosody detection module.
Fig. 3 is the synoptic diagram of interacting language learning system second embodiment.
Fig. 4 is the synoptic diagram of interacting language learning system the 3rd embodiment.
[embodiment]
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by detailed description to the specific embodiment of the present invention.
Fig. 1 is the synoptic diagram of interacting language learning system first embodiment.Interacting language learning system comprises the two large divisions, promptly user oriented user side 11 and the data processing end 12 that carries out background process.User side 11 provides equipment and the display interface of gathering learner's behavior, comprises voice acquisition module 112, interactive module 111; Data processing end 12 is responsible for display message is handled and generated to the data that user side 11 is gathered, and comprises pronunciation and prosody detection module 121, data storage and statistical module 122.
Pronunciation and prosody detection module 121 are used for extracting the characteristic parameter that is used to pronounce with rhythm error-detecting from speech data, and to the degree that mistake is further judged and controlled wrong demonstration, obtain final phoneme mistake and rhythm mistake.
Data storage and statistical module 122 recorded content mistakes, phoneme mistake and rhythm mistake, and give overall assessment to learner's pronunciation situation in conjunction with these mistakes, evaluation result is fed back to interactive module 111.
Fig. 2 is the synoptic diagram of pronunciation and prosody detection module.Pronunciation and prosody detection module 121 comprise characteristic extracting module 202, sound identification module 203, pronunciation evaluation module 204, prosody detection module 205, rhythm evaluation module 206.
202 pairs of speech datas of characteristic extracting module extract the characteristic parameter that is used to pronounce with rhythm error-detecting, perception linear forecasting parameter PLP (Perceptual Linear Prediction coefficients) for example, Mel cepstrum coefficient MFCC (Mel-frequency cepstral coefficients), frame average energy (Energy), it is the energy of all frames of crossing over of vowel, the average fundamental frequency of frame (Pitch), it is the fundamental frequency of all frames of crossing over of vowel and to be crossed over frame number by it average, and their front and back comprise that to differential parameter the forward frame average energy is poor, the back is poor to the frame average energy, forward direction consonant frame average energy is poor, the average fundamental frequency of forward frame is poor, the back is poor to the average fundamental frequency of frame, the forward direction duration is poor, the back is to the duration difference etc.
Fig. 3 is the synoptic diagram of interacting language learning system second embodiment.The text spelling detection module 123 that the difference of itself and first embodiment has been to increase the text collection module 113 that belongs to user side 11 and has belonged to data processing end 12, and will do corresponding expansion with the function of the direct-connected interactive module 111 of these two modules and data storage and statistical module 122.
Text spelling detection module 123 is used to check input text, by calculating the similarity editing distance (Levenshtein distance) of input text and model answer text, obtain concrete alternative (Substitution), insert (Insertion), delete misspellings such as (Deletion).
Data storage and statistical module 122 carry out error statistics according to the voice mistake and the misspelling that obtain, recording learning person's concrete phoneme pronunciation mistake, rhythm mistake and misspelling situation, and provide evaluation score and feedback, show by interactive module 111.Data storage and statistical module 122 comprise a database, and concrete error statistics situation will be write this database in time; This database has not only been stored learner's learning records, but also has stored learning content, comprises corresponding multimedia messages and model answer etc.; System selects and produces new learning content and audio frequency and spelling prompting, thereby enter the interactive mode memory of next round according to the learning content of storing in the memory pattern of active user's mistake, selection and the database.The learner also can reselect learning content according to current study schedule, perhaps withdraws from this subsystem.
Fig. 4 is the synoptic diagram of interacting language learning system the 3rd embodiment.The key distinction of itself and second embodiment has been to increase the user interface 114 that belongs to user side 11 and has belonged to operation discrimination module 124, the session operational scenarios module 125 of data processing end 12, and will do corresponding expansion with the function of the direct-connected interactive module 111 of these three modules and data storage and statistical module 122.The 3rd embodiment of interacting language learning system combines language memory and dialogue (Dialogue), listening, speaking, reading and writing four key elements during fully practice language is learnt, and combine the utilization of learning language in the specific occasion by the mode of dialogue with specific scene.
Data storage and statistical module 122 carry out error statistics according to the voice mistake, misspelling and the operating mistake that obtain, recording learning person's concrete phoneme pronunciation mistake, rhythm mistake, misspelling and operating mistake situation, and provide the evaluation score, show by interactive module 111.Data storage and statistical module 122 comprise a database, and concrete error statistics situation will be write this database in time; This database has not only been stored learner's learning records, has also stored learning content, comprises corresponding multimedia messages and model answer etc., and has stored the information relevant with dialogue, such as session operational scenarios information, mission bit stream etc.
Session operational scenarios module 125 is according to the error statistics situation of data storage and statistical module 122 outputs and session operational scenarios, mission bit stream, dynamically generate new session operational scenarios, and be shown to the learner by interactive module 111, the learner can select to enter the study of new round session operational scenarios by interactive module 111, perhaps selects to withdraw from study.
Above-mentioned interacting language learning system has multiple implementation, for example based on network client/server (Client/Server) mode, based on network browser/server (Browser/Server) mode, based on single cpu mode of embedded system or the like.
Based on network client, server mode: its client is learner's access terminal, phonetic entry, text input, voice playing and mouse-keyboard operation are provided, and the input audio frequency is finished functions such as silence detection, feature extraction and Network Transmission, session operational scenarios generation, and its server end is finished functions such as the incorrect pronunciations detection of input voice, word accent mode detection, rhythm detection, spell check, error feedback, help options feedback, the generation of session operational scenarios content, database manipulation, learning information statistics, Network Transmission.
Based on network browser, server mode: its browser is learner's access terminal, phonetic entry is provided, the text input, voice playing, the mouse-keyboard operation, Network Transmission, session operational scenarios, and by plug-in unit (Plug-in) finish to the input audio frequency finish operations such as silence detection and feature extraction, its server comprises data processing server and Web server, wherein the data server end is finished the incorrect pronunciations detection to the input voice, the word accent mode detection, the rhythm detects, spell check, error feedback, the help options feedback, conversation content generates, database manipulation, the learning information statistics, functions such as Network Transmission, wherein Web server is the access server of browser, carries out direct data transmission between browser and the data processing server.
Unit mode based on embedded system: mode detection, rhythm detection, spell check, error feedback, conversation content generation, database manipulation, learning information statistics etc. read again in incorrect pronunciations detection and the word of finishing phonetic entry, text input, voice playing, audio mute detection, audio feature extraction, input voice in a program frame.
Above-mentioned interacting language learning system has made up a kind of interacting language learning platform, make listening, speaking, reading and writing four key elements in the abundant practice language study of learner, each link of language learning is organically combined, provide the high scene dialogue study form of degree of freedom to improve learner's interest, the enthusiasm of transferring the learner initiatively participates in the middle of the study it, and provides real-time false judgment and feedback.
Above-mentioned interacting language learning system detects and the rhythm (Prosody) detection the incorrect pronunciations (Mispronunciation) that learner's input audio frequency carries out real-time phone-level (Phone-level), and the rhythm detects the word accent pattern (Lexical stress) that comprises word level and detects and correct help, the rhythm (Prosody) detection and imitate help; Wherein the incorrect pronunciations of phone-level detects the input voice is carried out the speech recognition of phone-level, and points out the concrete phoneme that it makes a mistake; Wherein the word accent mode detection of word level and the aligned phoneme sequence that correct to help the detection according to phone-level to obtain are carried out the identification of word level, identify the word stress pattern of word and provide the error type that compares with correct word stress pattern; Wherein rhythm detection and imitation help to comprise the sentence stressed (Sentence Stress) to the pronunciation statement, rhythm (Rhythm), the contrast of the rhythm of the check and analysis of intonation aspects such as (Intonation) and the statement of Received Pronunciation is differentiated, and is given in evaluation and and the help options of imitation Received Pronunciation statement on the rhythm.Make the learner can accurately hold oneself the pronunciation concrete wrong part.And dynamically provide the memory content in conjunction with feedback result and memory curve, make the raising language proficiency that the learner can be incremental.
The above embodiment has only been expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (13)
1. an interacting language learning system is characterized in that, comprising:
Voice acquisition module is used to gather learner's speech data;
Pronunciation and prosody detection module are used for extracting the characteristic parameter that is used to pronounce with rhythm error-detecting from speech data, and to the degree that mistake is further judged and controlled wrong demonstration, obtain final phoneme mistake and rhythm mistake;
Data storage and statistical module are used to write down described phoneme mistake and rhythm mistake, and give overall assessment in conjunction with these mistakes to learner's pronunciation situation, and evaluation result is fed back to interactive module;
Interactive module comprises display interface, and described display interface is used to show phoneme mistake and rhythm mistake, learner the pronounce overall assessment and the help options of situation, and the pronunciation prompting is provided.
2. interacting language learning system according to claim 1 is characterized in that, described pronunciation and prosody detection module comprise:
Characteristic extracting module is used for extracting the characteristic parameter that is used to pronounce with rhythm error-detecting from described speech data;
Sound identification module, is discerned described characteristic parameter in conjunction with language model or speech network based on acoustic model, obtains word sequence, aligned phoneme sequence, corresponding time border, likelihood probability value respectively;
The pronunciation evaluation module is used for the aligned phoneme sequence that identification is obtained and the reference phoneme of system and compares alignment, obtains phoneme mistake and help options;
Prosody detection module is used in conjunction with characteristic parameter, aligned phoneme sequence, time boundary information, adopts statistical model to obtain word and reads pattern, whole sentence intonation and time rhythm again;
Rhythm evaluation module is used for reading word again pattern, whole sentence intonation and time rhythm with comparing with reference to pronunciation, obtains rhythm mistake and help options.
3. interacting language learning system according to claim 2 is characterized in that: the speech data of described voice acquisition module collection comprises that the pronunciation prompting that system is provided follow the speech data of reading and obtaining in a minute according to the sight that pronounces.
4. interacting language learning system according to claim 2, it is characterized in that: described pronunciation evaluation module at first uses the method for statistics to carry out the differentiation of word level content in conjunction with described word sequence, aligned phoneme sequence, time border and likelihood probability value, if content is inconsistent, the system log (SYSLOG) content false, and the whole sentence of prompting content is undesirable in described interactive module, and the request learner re-enters voice; Otherwise phoneme is detected, obtain the phoneme mistake, comprise insertion, deletion, the replacement mistake of phoneme in the word.
5. interacting language learning system according to claim 2 is characterized in that: pattern read again in described word is that unit is judged with the syllable, comprises the position of main stressed syllable in the word and the position of time stressed syllable; Described whole sentence intonation is the sentence stress of whole word, i.e. the position of stressed syllable in this sentence, and it reflects whole fundamental frequency variation tendency based on syllable and intonation; Described time rhythm is the judgement to speed of speaking and duration.
6. interacting language learning system according to claim 1 is characterized in that: pronunciation text, the target learning content that this pronunciation text is the learner are adopted in the pronunciation prompting of described interactive module; Or adopt with reference to pronunciation, this is the received pronunciation that the people sent out of target language country with reference to pronunciation; Again or adopt the pronunciation sight, this pronunciation sight is the sight that system provides, and requires the learner according to this pronunciation sight in a minute.
7. interacting language learning system according to claim 1 is characterized in that: described interactive module also comprises inputting interface, and described inputting interface is used to select memory pattern, learning content or logs off; Described display interface also is used for the display system feedack, comprises audio frequency and spelling information and described data storage and statistical module feedack; Described interactive module is selected the language learning material, by audio frequency or text mode the learner is pointed out, audio prompt is the pronunciation that system provides needs memory, the requirement learner spells and follows and read, the spelling prompting is the text prompt that system provides the spelling content that needs memory, require the learner to spell, obtain spelling content;
Described interacting language learning system also comprises text collection module and text spelling detection module, and described text collection module is used to gather described spelling content, obtains input text; Described text spelling detection module is used to check input text, by calculating the similarity editing distance of input text and model answer text, obtains misspelling;
Described data storage and statistical module also are used to write down described misspelling; Described data storage and statistical module also wrap and expand a database, and concrete error statistics situation will be write this database in time, and this database is not only stored learning records, but also has stored learning content; System is according to the learning content of storing in the memory pattern of current error logging, selection and the database, select and produce new learning content and audio frequency and spelling prompting, feed back to described interactive module, thereby enter the interactive learning of next round, perhaps reselect learning content, or log off according to current study schedule.
8. interacting language learning system according to claim 7 is characterized in that: described misspelling comprises alternative, insertion and deletion error.
9. interacting language learning system according to claim 8, it is characterized in that: described interactive module also is used to show the session operational scenarios of a group task form, after selected certain session operational scenarios of this interactive module, the subtask will appear, the information that the learner will provide according to this interactive module is carried out interactive operation and is pronounced and spell and finish the work;
Described interacting language learning system also comprises user interface, operation discrimination module; Described user interface is used to gather described interactive operation; Described operation discrimination module is used to judge whether described interactive operation meets mission requirements, obtains operating mistake;
Described data storage and statistical module also are used to write down described operating mistake, and described database has also been stored the information relevant with dialogue;
Described interacting language learning system also comprises the session operational scenarios module, and error statistics and the information relevant with dialogue according to described data storage and statistical module output dynamically generate new session operational scenarios, and shows by described interactive module; The learner can select to enter new round study by described interactive module, perhaps withdraws from study.
10. interacting language learning system according to claim 1 is characterized in that: the implementation of described interacting language learning system is client/server approach, browser/server mode, a kind of based in the single cpu mode of embedded system.
11. an interacting language learning method comprises:
Gather the speech data that the requirement of learner's follow procedure pronounces to obtain;
From speech data, extract the characteristic parameter that is used to pronounce with rhythm error-detecting;
Based on acoustic model, in conjunction with language model or speech network, characteristic parameter is discerned, obtain word sequence, aligned phoneme sequence, corresponding time border, likelihood probability value respectively;
The reference phoneme of aligned phoneme sequence and system is compared alignment, obtain phoneme mistake and help options;
In conjunction with characteristic parameter, aligned phoneme sequence, time boundary information, adopt statistical model to obtain word and read pattern, whole sentence intonation and time rhythm again;
Read word again pattern, whole sentence intonation and time rhythm with comparing, obtain rhythm mistake and help options with reference to pronunciation;
Show phoneme, rhythm mistake, the overall assessment and the help options of pronunciation situation, and the pronunciation prompting is provided.
12. interacting language learning method according to claim 11 is characterized in that, and is further comprising the steps of:
Before gathering speech data, the memory material of output audio or text mode requires the learner to pronounce and spells;
Gather the spelling content that needs memory, obtain input text;
Check input text, obtain misspelling;
Carry out error statistics according to the phoneme that obtains, the rhythm and misspelling, write down concrete phoneme mistake, rhythm mistake and misspelling situation, and provide evaluation score and feedback information;
Show and estimate score and feedback information;
Receive the instruction of selecting memory pattern, learning content or quitting a program.
13. interacting language learning method according to claim 12 is characterized in that, and is further comprising the steps of:
Show session operational scenarios, the learner by the session operational scenarios requirement pronounce, spelling and interactive operation;
Gather interactive operation;
Judge that whether interactive operation meets mission requirements, obtains operating mistake;
Carry out error statistics according to the phoneme that obtains, the rhythm, spelling and operating mistake, write down concrete phoneme pronunciation, the rhythm, spelling and operating mistake situation, and provide evaluation score and feedback;
Dynamically generate new session operational scenarios, and show.
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| CN116805495B (en) * | 2023-08-17 | 2023-11-21 | 北京语言大学 | Pronunciation deviation detection and action feedback method and system based on large language model |
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