CN108922267A - A kind of intelligent voice system for wisdom classroom - Google Patents
A kind of intelligent voice system for wisdom classroom Download PDFInfo
- Publication number
- CN108922267A CN108922267A CN201810767880.3A CN201810767880A CN108922267A CN 108922267 A CN108922267 A CN 108922267A CN 201810767880 A CN201810767880 A CN 201810767880A CN 108922267 A CN108922267 A CN 108922267A
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- CN
- China
- Prior art keywords
- sound
- voice
- module
- speech recognition
- wisdom classroom
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
Abstract
The invention discloses a kind of intelligent voice systems for wisdom classroom, including power amplifier, the speaker being connect with power amplifier, the sound pick-up being connect with speaker, the operating system that control sound equipment plays sound class is also connected between speaker and sound pick-up, operating system includes operation module, database and speech recognition module, operation module is for inputting, establish and receive information, database is used to receive the information of operation module, storage and calling phonetic teaching data, the speech recognition module voice that sound pick-up is collected for identification simultaneously finds target sound according to keyword and by non-targeted acoustic filtering.Teacher's sound is collected by sound pick-up, the operating system of sound class is played using control sound equipment, target sound is found by the keyword of teacher and by non-targeted acoustic filtering, the noise that teacher imparts knowledge to students outside sound is removed in pickup, and selection teaching music plays when needed, it is implemented without microphone teaching, intelligent radio reception simultaneously removes noise, obtains better teaching efficiency and experience.
Description
Technical field
The invention belongs to wisdom classroom technical fields, and in particular to a kind of intelligent voice system for wisdom classroom.
Background technique
Wisdom classroom is a kind of form of digital library and the following classroom, and wisdom classroom is a kind of novel forms of education,
It is different from tradition and awards the mode of listening to the teacher, it cuts entire teaching process with modernization means, and classroom is allowed to become simple, efficient, intelligence
Energy.With the rapid development of modern science and technology, wisdom classroom is widely used, and produces depth to education and teaching process
The influence at quarter.Present wisdom classroom is based on the teaching of technology of Internet of things collection wisdom, staff attendance, asset management, environment wisdom tune
Section and is remotely controlled in one at video monitoring, can provide ideal teaching environment.But the voice that wisdom classroom uses now
System is still not smart enough, is still and is taught by teacher's wearing microphone, cumbersome, and the sound of microphone generally compares
It is ear-piercing, classmates on the sound of teacher and classroom can be discussed when being easy to obscure and not hear, while carrying out radio reception using sound pick-up
Sound it is mixed in together, speaker to teacher impart knowledge to students sound amplify broadcasting when, will lead to noise and noise be excessive, imitate
Fruit is bad.So teaching efficiency and experience are more excellent in order to which wisdom classroom can be more intelligent, need a kind of more intelligent
Voice system.
Summary of the invention
It is an object of the invention to：It is not smart enough to solve current wisdom classroom voice system, and sound when sound pick-up radio reception
Mix, effect is bad to cause the acoustic environment in classroom when teaching to experience bad problem, provides a kind of for wisdom classroom
Intelligent voice system collects teacher's sound by sound pick-up and amplifies broadcasting, and the behaviour of sound class is played using control sound equipment
Make system, including operation module, database and speech recognition module, target sound is found by the keyword of teacher and by non-mesh
Mark acoustic filtering, can pickup when removal teacher impart knowledge to students sound outside noise, and when needed selection teaching music play, realize
Microphone teaching is not needed, intelligent radio reception simultaneously removes noise, obtains better teaching efficiency and experience.
The technical solution adopted by the present invention is as follows：
A kind of intelligent voice system for wisdom classroom including power amplifier, the speaker connecting with power amplifier, is connect with speaker
Sound pick-up, is also connected with the operating system that control sound equipment plays sound class between speaker and sound pick-up, operating system includes behaviour
Make module, database and speech recognition module, operation module is for inputting, establishing and receiving information, and the database is for connecing
The information of operation module, storage and calling phonetic teaching data are received, speech recognition module converts sound pick-up collection for identification
Voice simultaneously finds target sound according to keyword and by non-targeted acoustic filtering.
Further, the speech recognition module further includes voice correction module, is modified to target sound.
Further, the speech recognition module carries out speech recognition using command recognition mode, pre-enters dictionary vocabulary
And definition of keywords label.
Further, the speech recognition module is identified by voice packet, and voice packet is based on message event and is driven.
Further, sound booster is provided on the sound pick-up.
Further, the power amplifier is HI-FI power amplifier.
Further, the database is allowed the content of each chapters and sections by the browsing mode of chapters and sections while being stored in database.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, in the present invention, teacher's sound is collected by sound pick-up and amplifies broadcasting, sound class is played using control sound equipment
Other operating system, including operation module, database and speech recognition module find target sound simultaneously by the keyword of teacher
By non-targeted acoustic filtering, can pickup when the noise imparted knowledge to students outside sound of removal teacher, and selection teaching music is broadcast when needed
It puts, is implemented without microphone teaching, intelligent radio reception simultaneously removes noise, obtains better teaching efficiency and experience；
2, in the present invention, speech recognition module further includes voice correction module, is modified to target sound, using voice
Fixed software, teacher are constantly moving position in teaching, and the sound being collected into may be suddenly big or suddenly small, by repairing sound for teacher
Too small sound is modified, and is stablized, sounds comfortable teaching sound；
3, in the present invention, speech recognition module carries out speech recognition using command recognition mode, pre-enters dictionary vocabulary
And definition of keywords label, identification is accurate, and the target of teacher can be found quickly through the keyword of pre-set teacher
Sound；
4, in the present invention, it is provided with sound booster on sound pick-up, better radio reception effect can be reached；
5, in the present invention, database is allowed the content of each chapters and sections by the browsing mode of chapters and sections while being stored in database,
More orderly and facilitate calling；
6, in the present invention, power amplifier is HI-FI power amplifier, and it is stereo for carrying out the sound effect of power amplifier, and is able to carry out automatic
Sound is repaired, sound is more full pleasing to the ear.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is system structure of the invention figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
A kind of intelligent voice system for wisdom classroom including power amplifier, the speaker connecting with power amplifier, is connect with speaker
Sound pick-up, is also connected with the operating system that control sound equipment plays sound class between speaker and sound pick-up, operating system includes behaviour
Make module, database and speech recognition module, operation module is for inputting, establishing and receiving information, and the database is for connecing
The information of operation module, storage and calling phonetic teaching data are received, sound pick-up collects voice to speech recognition module for identification
Text information simultaneously finds target sound according to keyword and by non-targeted acoustic filtering.
Sound pick-up may be mounted above the dais of classroom, collects teacher's sound by sound pick-up and amplifies broadcasting, uses
The operating system that sound equipment plays sound class, including operation module, database and speech recognition module are controlled, the pass of teacher is passed through
Key word (such as：The teachers such as classmates are good, start to attend class are often with keyword) it is automatically found target sound, identify the wave of target sound
Shape, and by other non-targeted acoustic filterings, existing speech recognition software is used here, and speech recognition mode and keyword are set
Label is filtered after finding target sound waveform by comparing the waveform of sound.Teacher can also pass through in teaching process
Phonetic teaching data in the operation interface input information selection database of operation module plays out simultaneously in teaching.System
The noise that teacher imparts knowledge to students outside sound can be removed in pickup, and selects teaching music to play when needed by operation module,
It is implemented without microphone teaching, intelligent radio reception simultaneously removes noise, obtains better teaching efficiency and experience.
Further, the speech recognition module further includes voice correction module, is modified to target sound.Using voice
Fixed software, teacher are constantly moving position in teaching, and the sound being collected into may be suddenly big or suddenly small, by repairing sound for teacher
Too small sound is modified, and is stablized, sounds comfortable teaching sound.
Further, the speech recognition module carries out speech recognition using command recognition mode, pre-enters dictionary vocabulary
And definition of keywords label.Identification is accurate, and the target of teacher can be found quickly through the keyword of pre-set teacher
Sound.
Further, the speech recognition module is identified by voice packet, and voice packet is based on message event and is driven.
Further, it is provided with sound booster on the sound pick-up, better radio reception effect can be reached.
Further, the power amplifier is HI-FI power amplifier, and it is stereo for carrying out the sound effect of power amplifier, and is able to carry out automatic
Sound is repaired, sound is more full pleasing to the ear.
Further, the database is allowed the content of each chapters and sections by the browsing mode of chapters and sections while being stored in database,
More orderly and facilitate calling.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of intelligent voice system for wisdom classroom that present pre-ferred embodiments provide, including power amplifier and power amplifier
The speaker of connection, the sound pick-up connecting with speaker are also connected with control sound equipment and play sound class between speaker and sound pick-up
Operating system, operating system include operation module, database and speech recognition module.
Operation module inputs in the dialog box of operation interface for inputting, establishing and receiving information, including operation interface
The resources material information to be called.
Database is used to receive the information of operation module, storage and calling phonetic teaching data, using Microsoft SQL
2000 database of Serve is allowed the content of each chapters and sections by the browsing mode of chapters and sections while being stored in database.
Speech recognition module for identification collect the text information of voice and find target sound according to keyword by sound pick-up
And by non-targeted acoustic filtering.Using Microsoft's SDK5.1 identification software, speech recognition is carried out using command recognition mode, it is defeated in advance
Enter dictionary vocabulary and definition of keywords label, keyword includes that the teachers such as classmates are good, start to attend class often use keyword.
Text compressing and speech recognition process are：The interface that SDK is provided is encapsulated with com, either progress language
Sound conversion or speech recognition will carry out com initialization.It when carrying out text compressing, needs to create identification engine, obtains
Voice output is then text using the Speak function of the interface after system carries out the initialization of sound by IspVoice interface
This.When carrying out speech recognition, voice packet is driven based on message event, and after starting speech recognition, identification engine exists always
Work.Once identifying voice, just system is notified to find the corresponding target of keyword by sending out the time of a registration in advance
Non-targeted sound is filtered to sound comparison is then carried out, target sound is played out to speaker by sound.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of intelligent voice system for wisdom classroom, including power amplifier, the speaker being connect with power amplifier, picking up of connecting with speaker
Sound device, it is characterised in that：The operating system that control sound equipment plays sound class, operation system are also connected between speaker and sound pick-up
System includes operation module, database and speech recognition module, and operation module is for inputting, establishing and receiving information, the data
Library is used to receive the information of operation module, and storage and calling phonetic teaching data, speech recognition module convert pickup for identification
Voice that device is collected simultaneously finds target sound according to keyword and by non-targeted acoustic filtering.
2. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The voice is known
Other module further includes voice correction module, is modified to target sound.
3. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The voice is known
Other module carries out speech recognition using command recognition mode, pre-enters dictionary vocabulary and definition of keywords label.
4. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The voice is known
Other module is identified that voice packet is based on message event and is driven by voice packet.
5. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The sound pick-up
On be provided with sound booster.
6. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The power amplifier is
HI-FI power amplifier.
7. a kind of intelligent voice system for wisdom classroom according to claim 1, it is characterised in that：The database
Allow by the browsing mode of chapters and sections by the content of each chapters and sections while being stored in database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767880.3A CN108922267A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent voice system for wisdom classroom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767880.3A CN108922267A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent voice system for wisdom classroom |
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| Publication Number | Publication Date |
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| CN108922267A true CN108922267A (en) | 2018-11-30 |
Family
ID=64410243
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| CN201810767880.3A Pending CN108922267A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent voice system for wisdom classroom |
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| CN112203180A (en) * | 2020-09-24 | 2021-01-08 | 安徽文香信息技术有限公司 | Smart classroom loudspeaker headset self-adaptive volume adjusting system and method |
| CN113132883A (en) * | 2021-03-30 | 2021-07-16 | 陈岩 | Collective listening gain system and collective listening realization method |
| CN113643578A (en) * | 2021-08-27 | 2021-11-12 | 深圳可视科技有限公司 | Intelligent control method and system for teaching intelligent blackboard |
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