CN108597264A - A kind of tutoring system and its implementation tracing review - Google Patents
A kind of tutoring system and its implementation tracing review Download PDFInfo
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- CN108597264A CN108597264A CN201711460377.5A CN201711460377A CN108597264A CN 108597264 A CN108597264 A CN 108597264A CN 201711460377 A CN201711460377 A CN 201711460377A CN 108597264 A CN108597264 A CN 108597264A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/015—Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection
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Abstract
The present invention relates to a kind of tutoring systems and its implementation tracing review, including background server, terminal of giving lessons and more than one terminal of listening to the teacher；When terminal of giving lessons is imparted knowledge to students, background server can judge the content of courses that participant is reviewed according to status data when listening to the teacher of participant, the content of courses reviewed is transmitted in listening to the teacher terminal and is stored and played, it can ensure that timely participant is not at state for some time during listening to the teacher in this way, this time corresponding course can also be received, the incomplete reception to the content of courses will not be led to because of attending class absent-minded.Meanwhile participant oneself can select the content of courses for needing to listen again, and keyword is sent to background server, background server is sent to terminal of listening to the teacher according to the corresponding content of courses segment of keyword retrieval.The present invention can be realized simultaneously actively retrospect and review to be reviewed with passive homing, and full-scope safeguards participant completely grasps the content of courses.
Description
Technical field
The present invention relates to intelligent tutoring field, especially a kind of tutoring system and its implementation tracing review.
Background technology
With the development of science and technology and the development of intellectual education technology, unmanned education is being risen, but it is existing nobody
Educating can only accomplish to play the set content of courses, can not determine that the weak of participant receives the period according to the state of participant,
Such teaching method can not necessarily replace artificial teaching pattern for many years prevailing to lead to participant's due to the mechanization of teaching
Efficiency of listening to lecture is not high.If the period that participant pays attention to the class without attention can be gone out according to the state automatic discrimination of listening to the teacher of participant,
And the content of listening to the teacher for transferring this period is sent to participant, it will be able to ensure that each participant can completely grasp religion
Learn content.
Invention content
In view of this, the purpose of the present invention is to propose to a kind of tutoring system and its implementation tracing review, it can
Go out the period that participant pays attention to the class without attention according to the state automatic discrimination of listening to the teacher of participant, and transfers listening to the teacher for this period
Content is sent to participant, it will be able to ensure that each participant can completely grasp the content of courses.
The present invention is realized using following scheme：A kind of tutoring system tracing review, including background server, give lessons end
End and more than one terminal of listening to the teacher；
The terminal of giving lessons include the first central control module and with its be electrical connected to logical with background server
The connected first communication module of letter, to be connected with the terminal communication of listening to the teacher second communication module, showing in teaching
The video and audio recording of the display module of appearance, the voice playing module to play the content of courses, the lecture contents to record teacher
Module, caching the first memory module of the content of courses that background server is sent；The terminal of giving lessons passes through the first communication
The lecture contents of the teacher recorded in video and audio recording module are uploaded to background server by module in real time；
The terminal of listening to the teacher include the second central control module and with its be electrical connected to logical with background server
The connected third communication module of letter, to be connected with the terminal communication of giving lessons fourth communication module, acquiring participant
The sensor assembly for state of listening to the teacher, inputting the input mould that participant wants the key word information for the content of courses reviewed
Block, to store the second memory module of the content of courses reviewed, to play in the teaching reviewed
The display voice module of appearance；
The sensor assembly includes brain wave sensor；The brain wave sensor acquiring the brain of participant in real time
Portion's curent change situation simultaneously obtains the brain active state of participant and by according to the brain curent change situation of participant
Three communicate module transfers to background server；Brain normal active extent and scope is preset in the background server, when listening to the teacher
When the brain active degree of person is less than preset brain normal active extent and scope in background server, then background server should
Religion of the brain active degree of participant less than terminal plays of giving lessons in the period of preset brain normal active extent and scope
The lecture contents of the teacher recorded in the video and audio recording module of content or upload are learned as the content of courses reviewed,
And the content of courses reviewed is sent to terminal of listening to the teacher by third communication module, after the terminal of listening to the teacher receives
The content of courses review that platform server transport comes, and stored to the second memory module and stored, to
It is played out for the display voice module in the terminal of listening to the teacher；
Input module in the terminal of listening to the teacher is acquiring the desired content of courses reviewed of participant input
Key word information, and key word information is transmitted to by background server by third communication module；The background server is being awarded
It retrieves, transfers in the lecture contents of the teacher recorded in the video and audio recording module of the content of courses or the upload of class terminal plays
Go out the content of courses including the key word information or lecture contents, and by third communication module that this is corresponding including described
The second memory module that the content of courses of key word information or lecture contents are sent in listening to the teacher terminal is stored, with for institute
The display voice module stated in listening to the teacher terminal plays out.
The background server of the present invention can judge that participant needs to carry out according to status data when listening to the teacher of participant
The content of courses reviewed is transmitted in the terminal of listening to the teacher and is stored and broadcast by the content of courses of review
It puts, can ensure that timely participant is not at state for some time during listening to the teacher in this way, this time can also be received
Corresponding course will not lead to the incomplete reception to the content of courses because of attending class absent-minded.Meanwhile participant can oneself choosing
The content of courses for needing to listen again is selected, and sends keyword to background server, background server is corresponded to according to keyword retrieval
Content of courses segment be sent to terminal of listening to the teacher.The present invention can be realized simultaneously actively retrospect review and be reviewed with passive homing, entirely
Face has ensured that participant completely grasps the content of courses.Wherein, the present invention acquires listening for participant using brain wave sensor
Class state, when participant is tired out, tried out or absent-minded, big brain current corresponds to lower active degree, as long as at this point,
Brain active degree is less than the brain normal active extent and scope to prestore in background server, and background server will automatic decision
Participant is in the state of listening to the teacher at this time, and then transfers after giving lessons the lecture contents of this section automatically and be transmitted to end of listening to the teacher
End is called when being reviewed for participant afterwards and is played.
Further, the input module includes input keyboard and microphone.Word input or language may be used in student
The form of sound input inputs key word information.
Further, further include more than one alignment sensor in the terminal of listening to the teacher, one above positioning
Sensor is separately positioned on head, elbow, neck, back and the leg of participant, to acquire the head of participant, elbow,
Neck, back and the relative position of leg, and background server is transmitted to by third communication module；The background service
It is preset with midstance, standing and sitting gesture and volt in device to lie prone posture, each posture is corresponding with the head, elbow, neck, back
With the relative position range of leg；When background server receives the phase at the head of participant, elbow, neck, back and leg
When to position, by the relative position of participant head, elbow, neck, back and leg phase corresponding with preset three kinds of postures
Position range is compared, when participant head, elbow, neck, back are corresponding between midstance with the relative position of leg
Preset position range in or volt when lying prone in the corresponding preset position range of posture, background server judges that participant is in
Midstance or volt are lain prone posture, and by participant maintain midstance or volt lie prone posture period in terminal plays of giving lessons
The lecture contents of the teacher recorded in the video and audio recording module of the content of courses or upload are as in the teaching reviewed
Hold, and the content of courses reviewed is sent to terminal of listening to the teacher by third communication module, the terminal of listening to the teacher connects
The content of courses review that background server transmission comes is received, and is stored to the second memory module and is stored,
It is played out with for the display voice module in the terminal of listening to the teacher.
Alignment sensor by being fixed on the different parts of participant's limbs by the present invention, it can be determined that the appearance of participant
State, while the logic by being set in background server, can automatic decision participant not pay attention to pay attention to the class when (such as
Volt is lain prone posture and stance, illustrates that participant is very tired very tired or is deserting), and by the period corresponding lecture contents
Or the content of courses is sent to terminal of listening to the teacher, oneself can be reviewed after class for participant.Meanwhile it can be by difference
Position setting sensor and set different logic realizations in background server and judge more postures.
Preferably, the alignment sensor includes MTS displacement sensors, three-axis gyroscope or 3-axis acceleration sensor.
It can also use other that can realize the sensor of positioning position.
Further, the sensor assembly further includes Temperature Humidity Sensor, light sensor, heart rate sensor；It is described
Normal body temperature range, normal brightness preset value, normal cardiac rate range are preset in background server；The temperature listened to the teacher in terminal
Humidity sensor acquires the body temperature information of participant and in real time by third communication module transfer to background server, the backstage
Server receive participant body temperature information and judge participant body temperature whether in background server preset normal body temperature
In range, if body temperature alarm message reminding staff is not generated if；The light sensor listened to the teacher in terminal is adopting
It is simultaneously passed through third communication module transfer to background server, the background server by collection participant's ambient brightness information
It receives participant's ambient brightness information and judges whether participant's ambient brightness is preset less than in background server
Normal brightness preset value generates brightness alarm message reminding staff if being less than；The sensing heart rate listened to the teacher in terminal
Device is acquiring the heart rate information of participant and the heart rate information of participant is transmitted to background service by third communication module
Device, the background server receive the heart rate information of participant and judge whether the heart rate of participant is preset in background server
Within the scope of normal cardiac rate, if heart rate alarm message reminding staff is not generated if.
The invention also includes a variety of different sensors, can monitor the state of student in all directions, accomplish than manually teaching
It is more careful to learn so that parent can trust.Wherein, Temperature Humidity Sensor acquires the body temperature of student in real time, when occur high temperature or
When person's low-temperature condition, warning message can be sent to background server, staff is reminded to come to check.Light sensor is adopted in real time
Collect the ambient brightness information around participant, when brightness is less than threshold value, illustrates that light is inadequate, it is tried out to may result in participant
Eyes that are tired out and being unfavorable for participant, at this time background server remind staff to lighten according to low-light level warning message
Light.Meanwhile the heart rate sensor can monitor the heartbeat situation of student in real time, if arrhythmia cordis, can also be taken to backstage
Business device sends warning message, and staff is prompted to come to check.
Further, the sensor assembly further includes the gesture sensor for acquiring participant's gesture, when end of giving lessons
When end is imparted knowledge to students by display module and voice playing module, the gesture sensor acquires the gesture of participant in real time, and
It is passed through into fourth communication module transfer to terminal of giving lessons；It is preset with one kind in first central control module of the terminal of giving lessons
Above gesture information and corresponding gesture command, the gesture information include with gesture command：F.F. gesture information
And corresponding F.F. gesture command, rollback gesture information and corresponding rollback gesture command, pause gesture letter
Breath and corresponding pause gesture command start gesture posture information and corresponding beginning gesture gesture commands；
The tune when the gesture for the participant that terminal of giving lessons receives is consistent with the F.F. gesture information being preset in the first central control module
F.F. gesture command is taken, according to the F.F. gesture command fast-forward play content of courses；When the participant's that terminal of giving lessons receives
Gesture transfers rollback gesture command when consistent with the rollback gesture information being preset in the first central control module, according to described time
It moves back gesture command rollback and plays the content of courses；When the gesture for the participant that terminal of giving lessons receives controls mould with the first center is preset in
Pause gesture information in the block transfers pause gesture command when consistent, is suspended according to the pause gesture command and is played in teaching
Hold；When the gesture for the participant that terminal of giving lessons receives is consistent with the beginning gesture information being preset in the first central control module
Beginning gesture command is transferred, is started to play the content of courses according to the beginning gesture command.
Preferably, by being preset with more than one gesture information in the first central control module of the terminal of giving lessons
And corresponding gesture command, and by the way that gesture sensor is arranged in terminal of listening to the teacher, the gesture of participant can be acquired
And corresponding response is made according to the gesture of participant so that system is more intelligent and hommization.
The present invention also provides a kind of implementation methods based on the tutoring system for tracing review described above, specific to wrap
Include following steps：
Step S1：It is described give lessons terminal by first communication module receive background server transmission come the content of courses and general
It is buffered in the first memory module, in the teaching cached in the display module and the first memory module of voice playing module pair
Appearance plays out, or when teacher gives lessons, and the video and audio recording module given lessons in terminal carries out the lecture contents of teacher
It records, and the content of recording is uploaded to background server by first communication module；The terminal of listening to the teacher is passed by brain wave
Sensor acquires the brain curent change situation of participant and obtains participant according to the brain curent change situation of participant in real time
Brain active state and pass through third communication module transfer to background server；
Step S2：Brain normal active extent and scope is preset in the background server, when the brain of participant is active
When degree is less than preset brain normal active extent and scope in background server, then background server is by the brain of the participant
Active degree less than preset brain normal active extent and scope period in give lessons terminal plays the content of courses or on
The lecture contents of the teacher recorded in the video and audio recording module of biography are led to as the content of courses reviewed, and by third
Letter module sends the content of courses reviewed to terminal of listening to the teacher, and the terminal of listening to the teacher receives background server transmission
The content of courses review come, and stored to the second memory module and stored, it is listened to the teacher end with for described
Display voice module in end plays out；
Step S3：After the terminal of giving lessons completes teaching, the input module acquisition participant in the terminal of listening to the teacher is defeated
The key word information of the desired content of courses reviewed entered, and after being transmitted to key word information by third communication module
Platform server；The background server is recorded old in the video and audio recording module of the content of courses or the upload of terminal plays of giving lessons
It is retrieved in the lecture contents of teacher, transfers out the content of courses including the key word information or lecture contents, and pass through
The corresponding content of courses or lecture contents including the key word information are sent in listening to the teacher terminal by three communication modules
Second memory module is stored, and is played out with for the display voice module in the terminal of listening to the teacher.
Further, the step S3 further includes：Background server is according to the key word information for terminal upload of listening to the teacher in net
Search and the relevant open course of the key word information on network, and send it to terminal of listening to the teacher are stored in the of terminal of listening to the teacher
In two memory modules.
Preferably, the key word information includes text key word information and voice key word information；When the keyword
When information is text key word information, background server extraction module, which is transferred, there are all of the key word information in the content of courses
Paragraph and all paragraphs for the approximate word of the keyword occur, and the paragraph transferred is sent in the terminal of listening to the teacher；When
When the key word information is voice key word information, voice key word information is converted to text by background server extraction module
Key word information, content of courses identification extraction module transfer occur in the content of courses all paragraphs of the key word information with
And there are all paragraphs of the approximate word of the keyword, and the paragraph transferred is sent in the terminal of listening to the teacher.
Further, further include step S4：Alignment sensor in terminal of listening to the teacher be arranged the head in participant, elbow,
Neck, back and leg, the terminal of listening to the teacher acquire head, elbow, neck, the back of participant by alignment sensor in real time
With the relative position of leg, and background server is transmitted to by third communication module；It is preset in the background server
There are midstance, standing and sitting gesture and volt to lie prone posture, each posture is corresponding with the head, elbow, neck, back and leg
Relative position range；When background server receives the relative position of the head of participant, elbow, neck, back and leg,
By the relative position of participant head, elbow, neck, back and leg relative position range corresponding with preset three kinds of postures
It compares, when participant head, elbow, neck, back and the relative position of leg are between the corresponding preset position of midstance
Set in range or when volt is lain prone in the corresponding preset position range of posture, background server judge participant be in midstance or
Volt is lain prone posture, and by participant maintain midstance or volt lie prone posture period in terminal plays of giving lessons the content of courses or
The lecture contents of teacher recorded in the video and audio recording module that person uploads pass through the as the content of courses reviewed
Three communication modules send the content of courses reviewed to terminal of listening to the teacher, and the terminal of listening to the teacher receives background server
The content of courses review that transmission comes, and stored to the second memory module and stored, it is listened with for described
Display voice module in class terminal plays out.
Further, further include step S5：It is default that normal body temperature range, normal brightness are preset in the background server
Value, normal cardiac rate range；The Temperature Humidity Sensor listened to the teacher in terminal acquires the body temperature information of participant and in real time by
To background server, the background server receives the body temperature information of participant and judges the body of participant three communication module transfers
Whether temperature works people in background server in preset normal body temperature range if not generating body temperature alarm message reminding if
Member；The light sensor listened to the teacher in terminal is acquiring participant's ambient brightness information and be passed through the third communication
To background server, the background server receives participant's ambient brightness information and judges around participant module transfer
Whether ambient brightness if be less than if generates brightness alarm message reminding less than preset normal brightness preset value in background server
Staff；The heart rate sensor listened to the teacher in terminal is acquiring the heart rate information of participant and by third communication module
The heart rate information of participant is transmitted to background server, the background server receives the heart rate information of participant and judgement is listened
Whether the heart rate of class person is within the scope of the preset normal cardiac rate of background server, if not generating heart rate alarm message reminding work if
Make personnel.
Further, further include step S6：When terminal of giving lessons is imparted knowledge to students by display module and voice playing module,
Gesture sensor in terminal of listening to the teacher acquires the gesture of participant in real time, and it is passed through fourth communication module transfer to end of giving lessons
End；More than one gesture information and corresponding gesture are preset in first central control module of the terminal of giving lessons
Order, the gesture information include with gesture command：F.F. gesture information and corresponding F.F. gesture command, rollback hand
Gesture information and corresponding rollback gesture command, starts pause gesture information and corresponding pause gesture command
Gesture posture information and corresponding beginning gesture gesture commands；When the participant that terminal of giving lessons receives gesture with it is default
F.F. gesture information in the first central control module transfers F.F. gesture command when consistent, according to the F.F. gesture command
The fast-forward play content of courses；Gesture as the participant that terminal of giving lessons receives and the rollback that is preset in the first central control module
Rollback gesture command is transferred when gesture information is consistent, is retracted according to the rollback gesture command and is played the content of courses；When end of giving lessons
Pause hand is transferred when holding the gesture of the participant received consistent with the pause gesture information being preset in the first central control module
Gesture order suspends according to the pause gesture command and plays the content of courses；When the participant that terminal of giving lessons receives gesture with it is pre-
The beginning gesture information being located in the first central control module transfers beginning gesture command when consistent, is ordered according to the beginning gesture
Order starts to play the content of courses.
Particularly, the video and audio recording module can be provided in classroom or be arranged the Intellectual garment dressed in teacher
It loads onto.The lecture contents of teacher are uploaded to background server by the video and audio recording module in real time when having network, when not having
When having network, the video and audio recording module first preserves the lecture contents of the teacher of recording into the first memory module, etc.
Again automatically by the content uploading of recording to background server when network to be had.
Particularly, when background server can according to participant oneself input keyword come the whole network search for correlated curriculum,
And it is sent to terminal of listening to the teacher, included just lecture contents or the religion of the keyword by the same day when search is less than correlated curriculum
It learns content and is sent to terminal of listening to the teacher.
Compared with prior art, the present invention has following advantageous effect：
1, background server of the invention can be judged according to status data when listening to the teacher of participant participant need into
The content of courses that row is reviewed, by the content of courses reviewed and by the content transmission transferred to the terminal of listening to the teacher
In stored and played, can ensure that timely participant is not at state for some time during listen to the teacher in this way, can also
This time corresponding course is received, the incomplete reception to the content of courses will not be led to because of attending class absent-minded.Meanwhile it listening
Class person can oneself selection want the content of courses listened again, and send keyword to background server, background server according to
Corresponding content of courses segment is sent to terminal of listening to the teacher by keyword.The present invention can be realized simultaneously actively retrospect review with it is passive
Tracking is reviewed, and full-scope safeguards participant completely grasps the content of courses.
2, the present invention in the case of no teacher, i.e., by give lessons the terminal plays content of courses when, can pass through
Gesture sensor detects the gesture of participant, and is more responded accordingly according to gesture, for example, can F.F., retrogressing, suspend, open
Begin etc. so that the present invention is more intelligent and hommization.
3, the invention also includes a variety of different sensors, can monitor the state of student in all directions, accomplish than artificial
Teaching is more careful so that parent can trust.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and embodiments.
As shown in Figure 1, present embodiments provide a kind of tutoring system tracing review, including background server, give lessons
Terminal and more than one terminal of listening to the teacher；
The terminal of giving lessons include the first central control module and with its be electrical connected to logical with background server
The connected first communication module of letter, to be connected with the terminal communication of listening to the teacher second communication module, showing in teaching
The video and audio recording of the display module of appearance, the voice playing module to play the content of courses, the lecture contents to record teacher
Module, caching the first memory module of the content of courses that background server is sent；The terminal of giving lessons passes through the first communication
The lecture contents of the teacher recorded in video and audio recording module are uploaded to background server by module in real time；
The terminal of listening to the teacher include the second central control module and with its be electrical connected to logical with background server
The connected third communication module of letter, to be connected with the terminal communication of giving lessons fourth communication module, acquiring participant
The sensor assembly for state of listening to the teacher, inputting the input mould that participant wants the key word information for the content of courses reviewed
Block, to store the second memory module of the content of courses reviewed, to play in the teaching reviewed
The display voice module of appearance；
The sensor assembly includes brain wave sensor；The brain wave sensor acquiring the brain of participant in real time
Portion's curent change situation simultaneously obtains the brain active state of participant and by according to the brain curent change situation of participant
Three communicate module transfers to background server；Brain normal active extent and scope is preset in the background server, when listening to the teacher
When the brain active degree of person is less than preset brain normal active extent and scope in background server, then background server should
Religion of the brain active degree of participant less than terminal plays of giving lessons in the period of preset brain normal active extent and scope
The lecture contents of the teacher recorded in the video and audio recording module of content or upload are learned as the content of courses reviewed,
And the content of courses reviewed is sent to terminal of listening to the teacher by third communication module, after the terminal of listening to the teacher receives
The content of courses review that platform server transport comes, and stored to the second memory module and stored, to
It is played out for the display voice module in the terminal of listening to the teacher；
Input module in the terminal of listening to the teacher is acquiring the desired content of courses reviewed of participant input
Key word information, and key word information is transmitted to by background server by third communication module；The background server is being awarded
It retrieves, transfers in the lecture contents of the teacher recorded in the video and audio recording module of the content of courses or the upload of class terminal plays
Go out the content of courses including the key word information or lecture contents, and by third communication module that this is corresponding including described
The second memory module that the content of courses of key word information or lecture contents are sent in listening to the teacher terminal is stored, with for institute
The display voice module stated in listening to the teacher terminal plays out.
The background server of the present invention can judge that participant needs to carry out according to status data when listening to the teacher of participant
The content of courses reviewed is transmitted in the terminal of listening to the teacher and is stored and broadcast by the content of courses of review
It puts, can ensure that timely participant is not at state for some time during listening to the teacher in this way, this time can also be received
Corresponding course will not lead to the incomplete reception to the content of courses because of attending class absent-minded.Meanwhile participant can oneself choosing
The content of courses for needing to listen again is selected, and sends keyword to background server, background server is corresponded to according to keyword retrieval
Content of courses segment be sent to terminal of listening to the teacher.The present invention can be realized simultaneously actively retrospect review and be reviewed with passive homing, entirely
Face has ensured that participant completely grasps the content of courses.Wherein, the present invention acquires listening for participant using brain wave sensor
Class state, when participant is tired out, tried out or absent-minded, big brain current corresponds to lower active degree, as long as at this point,
Brain active degree is less than the brain normal active extent and scope to prestore in background server, and background server will automatic decision
Participant is in the state of listening to the teacher at this time, and then transfers after giving lessons the lecture contents of this section automatically and be transmitted to end of listening to the teacher
End is called when being reviewed for participant afterwards and is played.
Further, the input module includes input keyboard and microphone.Word input or language may be used in student
The form of sound input inputs key word information.
Further, further include more than one alignment sensor in the terminal of listening to the teacher, one above positioning
Sensor is separately positioned on head, elbow, neck, back and the leg of participant, to acquire the head of participant, elbow,
Neck, back and the relative position of leg, and background server is transmitted to by third communication module；The background service
It is preset with midstance, standing and sitting gesture and volt in device to lie prone posture, each posture is corresponding with the head, elbow, neck, back
With the relative position range of leg；When background server receives the phase at the head of participant, elbow, neck, back and leg
When to position, by the relative position of participant head, elbow, neck, back and leg phase corresponding with preset three kinds of postures
Position range is compared, when participant head, elbow, neck, back are corresponding between midstance with the relative position of leg
Preset position range in or volt when lying prone in the corresponding preset position range of posture, background server judges that participant is in
Midstance or volt are lain prone posture, and by participant maintain midstance or volt lie prone posture period in terminal plays of giving lessons
The lecture contents of the teacher recorded in the video and audio recording module of the content of courses or upload are as in the teaching reviewed
Hold, and the content of courses reviewed is sent to terminal of listening to the teacher by third communication module, the terminal of listening to the teacher connects
The content of courses review that background server transmission comes is received, and is stored to the second memory module and is stored,
It is played out with for the display voice module in the terminal of listening to the teacher.
Alignment sensor by being fixed on the different parts of participant's limbs by the present invention, it can be determined that the appearance of participant
State, while the logic by being set in background server, can automatic decision participant not pay attention to pay attention to the class when (such as
Volt is lain prone posture and stance, illustrates that participant is very tired very tired or is deserting), and by the period corresponding lecture contents
Or the content of courses is sent to terminal of listening to the teacher, oneself can be reviewed after class for participant.Meanwhile it can be by difference
Position setting sensor and set different logic realizations in background server and judge more postures.
Preferably, the alignment sensor includes MTS displacement sensors, three-axis gyroscope or 3-axis acceleration sensor.
It can also use other that can realize the sensor of positioning position.
Further, the sensor assembly further includes Temperature Humidity Sensor, light sensor, heart rate sensor；It is described
Normal body temperature range, normal brightness preset value, normal cardiac rate range are preset in background server；The temperature listened to the teacher in terminal
Humidity sensor acquires the body temperature information of participant and in real time by third communication module transfer to background server, the backstage
Server receive participant body temperature information and judge participant body temperature whether in background server preset normal body temperature
In range, if body temperature alarm message reminding staff is not generated if；The light sensor listened to the teacher in terminal is adopting
It is simultaneously passed through third communication module transfer to background server, the background server by collection participant's ambient brightness information
It receives participant's ambient brightness information and judges whether participant's ambient brightness is preset less than in background server
Normal brightness preset value generates brightness alarm message reminding staff if being less than；The sensing heart rate listened to the teacher in terminal
Device is acquiring the heart rate information of participant and the heart rate information of participant is transmitted to background service by third communication module
Device, the background server receive the heart rate information of participant and judge whether the heart rate of participant is preset in background server
Within the scope of normal cardiac rate, if heart rate alarm message reminding staff is not generated if.
The invention also includes a variety of different sensors, can monitor the state of student in all directions, accomplish than manually teaching
It is more careful to learn so that parent can trust.Wherein, Temperature Humidity Sensor acquires the body temperature of student in real time, when occur high temperature or
When person's low-temperature condition, warning message can be sent to background server, staff is reminded to come to check.Light sensor is adopted in real time
Collect the ambient brightness information around participant, when brightness is less than threshold value, illustrates that light is inadequate, it is tried out to may result in participant
Eyes that are tired out and being unfavorable for participant, at this time background server remind staff to lighten according to low-light level warning message
Light.Meanwhile the heart rate sensor can monitor the heartbeat situation of student in real time, if arrhythmia cordis, can also be taken to backstage
Business device sends warning message, and staff is prompted to come to check.
Further, the sensor assembly further includes the gesture sensor for acquiring participant's gesture, when end of giving lessons
When end is imparted knowledge to students by display module and voice playing module, the gesture sensor acquires the gesture of participant in real time, and
It is passed through into fourth communication module transfer to terminal of giving lessons；It is preset with one kind in first central control module of the terminal of giving lessons
Above gesture information and corresponding gesture command, the gesture information include with gesture command：F.F. gesture information
And corresponding F.F. gesture command, rollback gesture information and corresponding rollback gesture command, pause gesture letter
Breath and corresponding pause gesture command start gesture posture information and corresponding beginning gesture gesture commands；
The tune when the gesture for the participant that terminal of giving lessons receives is consistent with the F.F. gesture information being preset in the first central control module
F.F. gesture command is taken, according to the F.F. gesture command fast-forward play content of courses；When the participant's that terminal of giving lessons receives
Gesture transfers rollback gesture command when consistent with the rollback gesture information being preset in the first central control module, according to described time
It moves back gesture command rollback and plays the content of courses；When the gesture for the participant that terminal of giving lessons receives controls mould with the first center is preset in
Pause gesture information in the block transfers pause gesture command when consistent, is suspended according to the pause gesture command and is played in teaching
Hold；When the gesture for the participant that terminal of giving lessons receives is consistent with the beginning gesture information being preset in the first central control module
Beginning gesture command is transferred, is started to play the content of courses according to the beginning gesture command.
Preferably, by being preset with more than one gesture information in the first central control module of the terminal of giving lessons
And corresponding gesture command, and by the way that gesture sensor is arranged in terminal of listening to the teacher, the gesture of participant can be acquired
And corresponding response is made according to the gesture of participant so that system is more intelligent and hommization.
The present invention also provides a kind of implementation methods based on the tutoring system for tracing review described above, specific to wrap
Include following steps：
Step S1：It is described give lessons terminal by first communication module receive background server transmission come the content of courses and general
It is buffered in the first memory module, in the teaching cached in the display module and the first memory module of voice playing module pair
Appearance plays out, or when teacher gives lessons, and the video and audio recording module given lessons in terminal carries out the lecture contents of teacher
It records, and the content of recording is uploaded to background server by first communication module；The terminal of listening to the teacher is passed by brain wave
Sensor acquires the brain curent change situation of participant and obtains participant according to the brain curent change situation of participant in real time
Brain active state and pass through third communication module transfer to background server；
Step S2：Brain normal active extent and scope is preset in the background server, when the brain of participant is active
When degree is less than preset brain normal active extent and scope in background server, then background server is by the brain of the participant
Active degree less than preset brain normal active extent and scope period in give lessons terminal plays the content of courses or on
The lecture contents of the teacher recorded in the video and audio recording module of biography are led to as the content of courses reviewed, and by third
Letter module sends the content of courses reviewed to terminal of listening to the teacher, and the terminal of listening to the teacher receives background server transmission
The content of courses review come, and stored to the second memory module and stored, it is listened to the teacher end with for described
Display voice module in end plays out；
Step S3：After the terminal of giving lessons completes teaching, the input module acquisition participant in the terminal of listening to the teacher is defeated
The key word information of the desired content of courses reviewed entered, and after being transmitted to key word information by third communication module
Platform server；The background server is recorded old in the video and audio recording module of the content of courses or the upload of terminal plays of giving lessons
It is retrieved in the lecture contents of teacher, transfers out the content of courses including the key word information or lecture contents, and pass through
The corresponding content of courses or lecture contents including the key word information are sent in listening to the teacher terminal by three communication modules
Second memory module is stored, and is played out with for the display voice module in the terminal of listening to the teacher.
In the present embodiment, the step S3 further includes：The key word information that background server is uploaded according to terminal of listening to the teacher
Search and the relevant open course of the key word information on network, and terminal of listening to the teacher is sent it to, it is stored in terminal of listening to the teacher
The second memory module in.
Preferably, the key word information includes text key word information and voice key word information；When the keyword
Information be text key word information when, occur in the background server content of courses all paragraphs of the key word information and
There are all paragraphs of the approximate word of the keyword, and the paragraph transferred is sent in the terminal of listening to the teacher；When the key
When word information is voice key word information, voice key word information is converted to text key word by background server extraction module to be believed
Breath, the content of courses identification extraction module are transferred all paragraphs for occurring the key word information in the content of courses and are somebody's turn to do
All paragraphs of the approximate word of keyword, and the paragraph transferred is sent in the terminal of listening to the teacher.
In the present embodiment, further include step S4：Alignment sensor in terminal of listening to the teacher is arranged in the head of participant, hand
Elbow, neck, back and leg, the terminal of listening to the teacher acquired in real time by alignment sensor the head of participant, elbow, neck,
The relative position at back and leg, and background server is transmitted to by third communication module；In the background server
It is preset with midstance, standing and sitting gesture and volt to lie prone posture, each posture is corresponding with the head, elbow, neck, back and leg
The relative position range in portion；When background server receives the opposite position at the head of participant, elbow, neck, back and leg
When setting, by the relative position of participant head, elbow, neck, back and leg opposite position corresponding with preset three kinds of postures
It sets range to compare, when participant head, elbow, neck, back are corresponding pre- between midstance with the relative position of leg
If position range in or volt when lying prone in the corresponding preset position range of posture, background server judges that participant is in standing
Posture or volt are lain prone posture, and by participant maintain midstance or volt lie prone posture period in terminal plays of giving lessons teaching
The lecture contents of the teacher recorded in content or the video and audio recording module of upload as the content of courses reviewed, and
The content of courses reviewed is sent to terminal of listening to the teacher by third communication module, the terminal of listening to the teacher receives backstage
The content of courses review that server transport comes, and is stored to the second memory module and is stored, with for
Display voice module in the terminal of listening to the teacher plays out.
In the present embodiment, further include step S5：Normal body temperature range, normal brightness are preset in the background server
Preset value, normal cardiac rate range；The Temperature Humidity Sensor listened to the teacher in terminal acquires the body temperature information of participant and leads in real time
Third communication module transfer is crossed to background server, the background server receives the body temperature information of participant and judges participant
Body temperature whether in background server in preset normal body temperature range, if the work of body temperature alarm message reminding is not generated if
Personnel；The light sensor listened to the teacher in terminal is acquiring participant's ambient brightness information and lead to it by third
Module transfer is believed to background server, and the background server receives participant's ambient brightness information and judges participant's week
Whether ambient brightness is enclosed less than preset normal brightness preset value in background server, is carried if generating brightness warning message less than if
Show staff；The heart rate sensor listened to the teacher in terminal is acquiring the heart rate information of participant and by third communication mould
The heart rate information of participant is transmitted to background server by block, and the background server receives the heart rate information of participant and judgement
Whether the heart rate of participant is within the scope of the preset normal cardiac rate of background server, if not generating heart rate alarm message reminding if
Staff.
In the present embodiment, further include step S6：When giving lessons, terminal is taught by display module and voice playing module
Class hour, the gesture sensor in terminal of listening to the teacher acquire the gesture of participant in real time, and by it by fourth communication module transfer extremely
It gives lessons terminal；More than one gesture information and corresponding is preset in first central control module of the terminal of giving lessons
Gesture command, the gesture information includes with gesture command：F.F. gesture information and corresponding F.F. gesture command,
Rollback gesture information and corresponding rollback gesture command, pause gesture information and corresponding pause gesture life
It enables, start gesture posture information and corresponding beginning gesture gesture commands；When the hand for the participant that terminal of giving lessons receives
Gesture transfers F.F. gesture command when consistent with the F.F. gesture information being preset in the first central control module, according to the F.F.
The gesture command fast-forward play content of courses；When the participant that terminal of giving lessons receives gesture and be preset in the first central control module
In rollback gesture information it is consistent when transfer rollback gesture command, according to the rollback gesture command retract play the content of courses；
The tune when the gesture for the participant that terminal of giving lessons receives is consistent with the pause gesture information being preset in the first central control module
Pause gesture command is taken, is suspended according to the pause gesture command and plays the content of courses；When the participant's that terminal of giving lessons receives
Gesture transfers beginning gesture command when consistent with the beginning gesture information being preset in the first central control module, is opened according to described
Beginning gesture command starts to play the content of courses.
In the present embodiment, the video and audio recording module can be provided in classroom or be arranged and be dressed in teacher
On intelligent clothing.The lecture contents of teacher are uploaded to background service by the video and audio recording module in real time when having network
Device, when not having network, the video and audio recording module first preserves the lecture contents of the teacher of recording to the first storage mould
In block, again automatically by the content uploading of recording to background server when waiting has network.
In the present embodiment, when background server can search for correlation according to the keyword that participant oneself inputs come the whole network
Course, and it is sent to terminal of listening to the teacher, included just the lecture contents of the keyword by the same day when search is less than correlated curriculum
Or the content of courses is sent to terminal of listening to the teacher.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of tutoring system tracing review, it is characterised in that：Including background server, terminal of giving lessons and one with
On terminal of listening to the teacher；
The terminal of giving lessons include the first central control module and with its be electrical connected communicating phase with background server
First communication module even, to be connected with the terminal communication of listening to the teacher second communication module, showing the content of courses
Display module, the voice playing module to play the content of courses, the lecture contents to record teacher video and audio recording module,
To cache the first memory module of the content of courses that background server is sent；The terminal of giving lessons will by first communication module
The lecture contents of the teacher recorded in video and audio recording module are uploaded to background server in real time；
The terminal of listening to the teacher include the second central control module and with its be electrical connected communicating phase with background server
Third communication module even, to be connected with the terminal communication of giving lessons fourth communication module, listen to the teacher to acquire participant
The sensor assembly of state, to input participant want the content of courses reviewed key word information input module,
To store the second memory module of the content of courses reviewed, to play the content of courses reviewed
Show voice module；
The sensor assembly includes brain wave sensor；The brain wave sensor is electric to the brain for acquiring participant in real time
Stream situation of change simultaneously obtains the brain active state of participant according to the brain curent change situation of participant and is led to by third
Believe module transfer to background server；Brain normal active extent and scope is preset in the background server, when participant's
When brain active degree is less than preset brain normal active extent and scope in background server, then background server listens to the teacher this
In teaching of the brain active degree of person less than terminal plays of giving lessons in the period of preset brain normal active extent and scope
The lecture contents of the teacher recorded in appearance or the video and audio recording module uploaded are led to as the content of courses reviewed
It crosses third communication module and sends the content of courses reviewed to terminal of listening to the teacher, the terminal of listening to the teacher receives backstage and takes
The content of courses review that business device transmission comes, and stored to the second memory module and stored, with for institute
The display voice module stated in listening to the teacher terminal plays out；
Input module in the terminal of listening to the teacher is acquiring the key of the desired content of courses reviewed of participant's input
Word information, and key word information is transmitted to by background server by third communication module；The background server is at end of giving lessons
It holds in the lecture contents of the teacher recorded in the video and audio recording module of the content of courses played or upload and retrieves, transfer out packet
The content of courses or the lecture contents of the key word information are included, and by third communication module that this is corresponding including the key
The second memory module that the content of courses of word information or lecture contents are sent in listening to the teacher terminal is stored, and is listened with for described
Display voice module in class terminal plays out.
2. a kind of tutoring system tracing review according to claim 1, it is characterised in that：The input module includes
Input keyboard and microphone.
3. a kind of tutoring system tracing review according to claim 2, it is characterised in that：In the terminal of listening to the teacher also
Including more than one alignment sensor, one above alignment sensor be separately positioned on the head of participant, elbow,
Neck, back and leg to acquire the relative position at the head of participant, elbow, neck, back and leg, and pass through
Three communication modules are transmitted to background server；Midstance, standing and sitting gesture and volt is preset in the background server to lie prone
Posture, each posture are corresponding with the relative position range of the head, elbow, neck, back and leg；Work as background server
When receiving the relative position of the head of participant, elbow, neck, back and leg, by participant head, elbow, neck, the back of the body
The relative position of portion and leg relative position range corresponding with preset three kinds of postures compares, when participant head, elbow,
Neck, back and the relative position of leg are in the corresponding preset position range of midstance or volt posture of lying prone is corresponding pre-
If position range in when, background server judges that participant is in midstance or volt is lain prone posture, and participant is maintained to stand
Standing position state or volt lie prone posture period in terminal plays of giving lessons the content of courses or upload video and audio recording module in record
The lecture contents of the teacher of system are sent as the content of courses reviewed, and by third communication module to terminal of listening to the teacher
The content of courses reviewed, the terminal of listening to the teacher receive the religion review that background server transmission comes
Learn content, and stored to the second memory module and stored, with for the display voice module in the terminal of listening to the teacher into
Row plays.
4. a kind of tutoring system tracing review according to claim 3, it is characterised in that：The sensor assembly is also
Including Temperature Humidity Sensor, light sensor, heart rate sensor；Normal body temperature range, just is preset in the background server
Degree of being always on preset value, normal cardiac rate range；The Temperature Humidity Sensor listened to the teacher in terminal acquires the body temperature letter of participant in real time
It ceases and by third communication module transfer to background server, the background server receives the body temperature information of participant and judgement
Whether the body temperature of participant in preset normal body temperature range, carries in background server if not generating body temperature warning message if
Show staff；The light sensor listened to the teacher in terminal is acquiring participant's ambient brightness information and be passed through
To background server, the background server receives participant's ambient brightness information and judges to listen third communication module transfer
Whether class person ambient brightness alarms less than preset normal brightness preset value in background server if generating brightness less than if
Information alert staff；The heart rate sensor listened to the teacher in terminal is acquiring the heart rate information of participant and pass through third
The heart rate information of participant is transmitted to background server by communication module, and the background server receives the heart rate information of participant
And the heart rate of participant is judged whether within the scope of the preset normal cardiac rate of background server, if heart rate alarm signal is not generated if
Breath prompt staff.
5. a kind of tutoring system tracing review according to claim 4, it is characterised in that：The sensor assembly is also
Include the gesture sensor for acquiring participant's gesture, when giving lessons, terminal is taught by display module and voice playing module
In class hour, the gesture sensor acquires the gesture of participant in real time, and it is passed through fourth communication module transfer to terminal of giving lessons；
More than one gesture information and corresponding gesture life are preset in first central control module of the terminal of giving lessons
It enables, the gesture information includes with gesture command：F.F. gesture information and corresponding F.F. gesture command, rollback gesture
Information and corresponding rollback gesture command, starts hand at pause gesture information and corresponding pause gesture command
Gesture posture information and corresponding beginning gesture gesture commands；When the gesture for the participant that terminal of giving lessons receives be preset in
F.F. gesture information in first central control module transfers F.F. gesture command when consistent, fast according to the F.F. gesture command
Into the broadcasting content of courses；Gesture as the participant that terminal of giving lessons receives and the rollback hand that is preset in the first central control module
Gesture information transfers rollback gesture command when consistent, retracted according to the rollback gesture command and play the content of courses；When terminal of giving lessons
The gesture of the participant received transfers pause gesture when consistent with the pause gesture information being preset in the first central control module
Order suspends according to the pause gesture command and plays the content of courses；When the participant that terminal of giving lessons receives gesture with it is default
Beginning gesture information in the first central control module transfers beginning gesture command when consistent, according to the beginning gesture command
Start to play the content of courses.
6. a kind of implementation method for the tutoring system that can be traced review based on claim 1-5 any one of them, feature are existed
In：Include the following steps：
Step S1：Terminal of giving lessons by first communication module receive background server transmission come the content of courses and be buffered in
In first memory module, the display module is broadcast with the content of courses cached in the first memory module of voice playing module pair
It puts, or when teacher gives lessons, the video and audio recording module given lessons in terminal records the lecture contents of teacher, and will
The content of recording is uploaded to background server by first communication module；The terminal of listening to the teacher is adopted in real time by brain wave sensor
Collect the brain curent change situation of participant and show that the brain of participant is active according to the brain curent change situation of participant
State simultaneously passes through third communication module transfer to background server；
Step S2：Brain normal active extent and scope is preset in the background server, when the brain active degree of participant
Less than when preset brain normal active extent and scope, then background server enlivens the brain of the participant in background server
The content of courses or upload of the degree less than terminal plays of giving lessons in the period of preset brain normal active extent and scope
The lecture contents of the teacher recorded in video and audio recording module pass through third communication mould as the content of courses reviewed
Block sends the content of courses reviewed to terminal of listening to the teacher, and the terminal of listening to the teacher receives what background server transmission came
The content of courses reviewed, and stored to the second memory module and stored, in the terminal of listening to the teacher
Display voice module play out；
Step S3：After the terminal of giving lessons completes teaching, what the input module acquisition participant in the terminal of listening to the teacher inputted
Want the key word information of the content of courses reviewed, and key word information is transmitted to by backstage by third communication module and is taken
Business device；The teacher's that the background server is recorded in the video and audio recording module of the content of courses or the upload of terminal plays of giving lessons
It is retrieved in lecture contents, transfers out the content of courses including the key word information or lecture contents, and logical by third
The corresponding content of courses or lecture contents including the key word information are sent to second in listening to the teacher terminal by letter module
Memory module is stored, and is played out with for the display voice module in the terminal of listening to the teacher.
7. a kind of implementation method of tutoring system tracing review according to claim 6, it is characterised in that：The step
Suddenly S3 further includes：Background server is searched for and the key word information phase according to the key word information for terminal upload of listening to the teacher on network
The open course of pass, and terminal of listening to the teacher is sent it to, it is stored in the second memory module of terminal of listening to the teacher.
8. a kind of implementation method of tutoring system tracing review according to claim 6, it is characterised in that：Further include
Step S4：The head in participant, elbow, neck, back and leg is arranged in alignment sensor in terminal of listening to the teacher, described to listen to the teacher
Terminal acquires the relative position at the head of participant, elbow, neck, back and leg by alignment sensor in real time, and passes through
Third communication module is transmitted to background server；Midstance, standing and sitting gesture and volt are preset in the background server
It lies prone posture, each posture is corresponding with the relative position range of the head, elbow, neck, back and leg；Work as background service
When device receives the relative position of the head of participant, elbow, neck, back and leg, by participant head, elbow, neck,
The relative position of back and leg relative position range corresponding with preset three kinds of postures compares, when participant head, hand
Elbow, neck, back are with the relative position of leg in the corresponding preset position range of midstance or volt posture of lying prone is corresponding
Preset position range in when, background server judges that participant is in midstance or volt is lain prone posture, and participant is tieed up
Hold midstance or volt lie prone posture period in terminal plays of giving lessons the content of courses or upload video and audio recording module
The lecture contents of the teacher of middle recording are as the content of courses reviewed, and by third communication module to terminal of listening to the teacher
The content of courses reviewed is sent, what the terminal reception background server transmission of listening to the teacher came review
The content of courses, and stored to the second memory module and stored, with for the display voice mould in the terminal of listening to the teacher
Block plays out.
9. a kind of implementation method of tutoring system tracing review according to claim 8, it is characterised in that：Further include
Step S5：Normal body temperature range, normal brightness preset value, normal cardiac rate range are preset in the background server；It is described to listen
Temperature Humidity Sensor in class terminal acquires the body temperature information of participant and is taken by third communication module transfer to backstage in real time
Business device, the body temperature information that the background server receives participant simultaneously judge whether the body temperature of participant is pre- in background server
If normal body temperature range in, if body temperature alarm message reminding staff is not generated if；The light listened to the teacher in terminal
Sensor is acquiring participant's ambient brightness information and it is passed through third communication module transfer to background server, institute
Background server is stated to receive participant's ambient brightness information and judge whether participant's ambient brightness takes less than backstage
Preset normal brightness preset value in business device, brightness alarm message reminding staff is generated if being less than；The terminal of listening to the teacher
On heart rate sensor acquiring the heart rate information of participant and be passed the heart rate information of participant by third communication module
Background server is transported to, the background server receives the heart rate information of participant and judges the heart rate of participant whether on backstage
Within the scope of the preset normal cardiac rate of server, if heart rate alarm message reminding staff is not generated if.
10. a kind of implementation method of tutoring system tracing review according to claim 9, it is characterised in that：Also wrap
Include step S6：When terminal of giving lessons is imparted knowledge to students by display module and voice playing module, the gesture sensing in terminal of listening to the teacher
Device acquires the gesture of participant in real time, and it is passed through fourth communication module transfer to terminal of giving lessons；The of the terminal of giving lessons
Be preset with more than one gesture information and corresponding gesture command in one central control module, the gesture information with
Gesture command includes：F.F. gesture information and corresponding F.F. gesture command, rollback gesture information and corresponding
Rollback gesture command, pause gesture information and corresponding pause gesture command, start gesture posture information and with
Its corresponding beginning gesture gesture commands；When the participant that terminal of giving lessons receives gesture and be preset in the first central control module
In F.F. gesture information it is consistent when transfer F.F. gesture command, according to the F.F. gesture command fast-forward play content of courses；
The tune when the gesture for the participant that terminal of giving lessons receives is consistent with the rollback gesture information being preset in the first central control module
It fetches and moves back gesture command, retracted according to the rollback gesture command and play the content of courses；When the participant's that terminal of giving lessons receives
Gesture transfers pause gesture command when consistent with the pause gesture information being preset in the first central control module, according to described temporary
Stop gesture command pause and plays the content of courses；When the gesture for the participant that terminal of giving lessons receives controls mould with the first center is preset in
Beginning gesture information in the block transfers beginning gesture command when consistent, starts to play in teaching according to the beginning gesture command
Hold.
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