CN207651166U - A kind of man machine language's graphical interaction system - Google Patents
A kind of man machine language's graphical interaction system Download PDFInfo
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- CN207651166U CN207651166U CN201721792994.0U CN201721792994U CN207651166U CN 207651166 U CN207651166 U CN 207651166U CN 201721792994 U CN201721792994 U CN 201721792994U CN 207651166 U CN207651166 U CN 207651166U
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Abstract
The utility model discloses a kind of man machine language's graphical interaction system, which includes sound acquisition module, speech processing module and dynamic expression feedback module；Sound acquisition module, for obtaining audio signal input by user；Speech processing module is connect with sound acquisition module, is filtered for the audio signal to acquisition, noise reduction, conversion process, is exported effective letter signal；Dynamic expression feedback module, connect with speech processing module, feeds back corresponding motion graphics for receiving effective letter signal, and according to effective letter signal.Therefore, system is provided using the utility model, it can make accurate audio information at noisy environment or slightly fuzzy user voice command expression and distinguish, export effective letter signal, and it is graphically fed back according to effective letter signal and user, it avoids appearance form single, improves the Interactive Experience sense of user.
Description
Technical field
The utility model is related to intelligent controls and field of human-computer interaction, more particularly to a kind of man machine language's graphical interaction system
System.
Background technology
With the raising of the development of human society and human life quality's level, the friendship between intelligent robot and user
The mutual substantive requirements of form are continuously improved, and a kind of demand of more intelligent, more harmonization man-machine interactive system is more urgent.Currently, big
The speech recognition success rate of most man-machine interactive systems is especially low, can not be in noisy environment or user voice command expression slightly mould
Accurate information extraction is made when paste and is distinguished, the ability for handling phonetic order is very limited.In addition, man-machine interactive system is returned
Infeed mechanism, appearance form is excessively single, and the Interactive Experience sense of user is not strong.Therefore, existing man-machine interactive system is to be improved
With raising.
Utility model content
The utility model aim is to provide a kind of man machine language's graphical interaction system, can be in noisy environment or user's language
Sound order expression is made accurate information extraction and is distinguished when slightly fuzzy, export phonetic order, and according to phonetic order with figure
Form is fed back and user, avoids appearance form single, improves the Interactive Experience sense of user.
To achieve the above object, the utility model provides following scheme：
A kind of man machine language's graphical interaction system, man machine language's graphical interaction system include sound acquisition module, language
Sound processing module and dynamic expression feedback module；
The sound acquisition module, for obtaining audio signal input by user；
The speech processing module is connect with the sound acquisition module, is carried out for the audio signal to acquisition
Filtering, noise reduction, conversion process export effective letter signal；
The dynamic expression feedback module, connect with the speech processing module, for receiving effective letter signal,
And corresponding motion graphics are fed back according to effective letter signal.
Optionally, the sound acquisition module includes：Microphone interface and external channel interface；The microphone interface is used
In directly acquiring audio signal input by user；The external channel interface is used to obtain the audio letter of outside sound source component input
Number.
Optionally, the speech processing module includes：Passive low-pass filter circuit, main control chip, low-power audio operation
Amplifier and audio convert chip；The low-power audio operational amplifier and the passive low-pass filter circuit, the master
Control chip, audio conversion chip are all connected with；The main control chip is also connect with audio conversion chip；It is described passive low
Bandpass filter circuit is also connect with the sound acquisition module；The model AT89S51 of the main control chip；The digital audio turns
It is TLV5580 to change chip model.
Optionally, the speech processing module further includes communication serial port；The communication serial port and the speech processing module,
The dynamic expression feedback module is all connected with, for effective letter signal to be sent to the dynamic expression feedback module.
Optionally, the dynamic expression feedback module is specially display screen；Android Studio built in the display screen
Program, expression material repository and grader.
Optionally, man machine language's graphical interaction system further includes shell, assistant metal element；The material of the shell
For damping material；The exterior cladding material of the assistant metal element is damping paint.
Optionally, man machine language's graphical interaction system further includes communication indicator light；The communication indicator light with it is described
Dynamic expression feedback module connects, the working condition for showing the dynamic expression feedback module.
According to specific embodiment provided by the utility model, the utility model discloses following technique effects：
The utility model discloses a kind of man machine language's graphical interaction system, which includes sound acquisition module, voice
Processing module and dynamic expression feedback module；The sound acquisition module, for obtaining audio signal input by user；It is described
Speech processing module is connect with the sound acquisition module, is filtered, noise reduction, is turned for the audio signal to acquisition
Processing is changed, effective letter signal is exported；The dynamic expression feedback module, connect with the speech processing module, for receiving
Effective letter signal, and corresponding motion graphics are fed back according to effective letter signal.Therefore, using the utility model
Offer system can make accurate audio information and distinguish in noisy environment or slightly fuzzy user voice command expression
Not, effective letter signal is exported, and is graphically fed back according to effective letter signal and user, avoids appearance form single,
Improve the Interactive Experience sense of user.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment man machine language's graphical interaction system；
Fig. 2 is the planar structure schematic diagram of the utility model embodiment man machine language's graphical interaction system.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model aim is to provide a kind of man machine language's graphical interaction system, can be in noisy environment or user's language
Sound order expression is made accurate information extraction and is distinguished when slightly fuzzy, export phonetic order, and according to phonetic order with figure
Form is fed back and user, avoids appearance form single, improves the Interactive Experience sense of user.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the structural schematic diagram of the utility model embodiment man machine language's graphical interaction system, as shown in Figure 1, this reality
Include that sound acquisition module 1, speech processing module 2 and dynamic expression are anti-with man machine language's graphical interaction system of novel offer
Present module 3.
The sound acquisition module 1, for obtaining audio signal input by user.
The speech processing module 2 is connect with the sound acquisition module 1, for the audio signal of acquisition into
Row filtering, noise reduction, conversion process, export effective letter signal.
The dynamic expression feedback module 3, connect with the speech processing module 2, for receiving effective word letter
Number, and corresponding motion graphics are fed back according to effective letter signal.
Wherein, the sound acquisition module 1 includes microphone interface and external channel interface；The microphone interface is used for
Directly acquire audio signal input by user；The external channel interface is used to obtain the audio letter of outside sound source component input
Number.
The speech processing module 2 include passive low-pass filter circuit, main control chip, low-power audio operational amplifier with
And audio converts chip；The low-power audio operational amplifier and the passive low-pass filter circuit, the main control chip, institute
Audio conversion chip is stated to be all connected with；The main control chip is also connect with audio conversion chip；The passive low-pass filter electricity
Road is also connect with the sound acquisition module；The model AT89S51 of the main control chip；The digital audio conversion chip type
Number be TLV5580.
The main control chip includes that equal sound wave generates unit, word repository and control unit；The equal sound wave
Unit is generated for generating, the equal sound wave of phase difference 180 degree identical as the audio signal amplitude；The word repository packet
Include effective vocabulary and invalid vocabulary；The passive low-pass filter circuit to the audio signal of acquisition for being filtered place
Reason, obtains filtered audio signal；The low-power audio operational amplifier is used for according to the equal sound wave, described in neutralization
The noise of filtered audio signal, obtains voice signal；The audio conversion chip is for converting the voice signal to
Letter signal；Described control unit is used to, according to the letter signal and the word repository, reject invalid letter signal, protects
There are effect letter signals.
The speech processing module 2 further includes communication serial port；It is the communication serial port and the speech processing module, described dynamic
State expression feedback module is all connected with, for effective letter signal to be sent to the dynamic expression feedback module.
The hardware of the dynamic expression feedback module 3 is display screen；Android Studio programs built in the display screen,
Expression material repository and grader；Pass through the tune in the libraries serial in the python in the Android Studio programs
Effective letter signal is obtained with serial communication is carried out, and is stored according to effective letter signal and the expression material
Library transfers the selection that the grader carries out expression material, reuses the libraries pillow in the Android Studio programs
The corresponding expression material of effective letter signal is extracted, is rendered as motion graphics frame by frame.
Man machine language's graphical interaction system further includes shell, assistant metal element；The material of the shell is damping
Material；The exterior cladding material of the assistant metal element is damping paint.
Man machine language's graphical interaction system further includes communication indicator light；The communication indicator light and the dynamic expression
Feedback module connects, the working condition for showing the dynamic expression feedback module.
Fig. 2 is the planar structure schematic diagram of the utility model embodiment man machine language's graphical interaction system；As shown in Fig. 2,
A kind of man machine language's graphical interaction system that the utility model embodiment provides includes speech interface and dynamic expression system two
It is grouped as.Speech interface is mainly made of sound acquisition module, noise reduction module, information process unit.
Wherein, sound acquisition module includes microphone interface, external sound channel input interface composition.Purpose of design herein exists
In the speech interface of the people's machine figure of speech interactive system can be made more diversified for the acquisition mode of sound, it both can be with
It allows the user interacted to directly input voice command by microphone, it is defeated in external sound channel that outside sound source component can also be connected
Incoming interface carries out the acquisition of acoustic information, and then realizes long-range or preset instructions receptions.Such as recording file can be led to
Cross the mode typing of the wired connection system.Control for intelligentized Furniture --- it can be by this external interface and a certain hand
Machine, tablet carry out wired connection, as long as putting through phone, mobile phone terminal auto-pickup, this external sound channel input interface can receive
Long-range sound instruction.
The operation principle of noise reduction module carries out the sharpening of sound by the way of software and hardware combining.The effect of software is
, the equal sound wave of phase difference 180 degree identical with the audio signal amplitude of voice command is generated, and then neutralizes making an uproar in audio signal
Sound reduces interference.Hardware be a kind of Dolby circuit, including low-power audio operational amplifier, passive low-pass filter circuit and
Resistance capacitance etc..Audio signal noise part is fully offset by noise reduction module, it is identified precisely to greatly improve voice signal
Degree；In addition, the noise reduction for speech interface is more notable, the utility model builds aspect using damping material in hardware
Anticipate the shell of system and the smearing of damping paint is carried out to reduce noise to necessary hardware, reduces noise radiation face
Product；These hardwares are such as metal shell, or keep off the protection metal-back outside main chip.Realize software effect
Chip is AT89S51 microcontrollers.
Information process unit is exactly mainly that audio signal is identified by treated.Identification process is exactly to need with default
Word repository in effective vocabulary, rubbish vocabulary compare, according to comparison result come carry out voice command identification and
The classification of situation exports.Technological difficulties are to establish word repository.Will realize the interactive system function on the basis of into
The setting of market condition and the typing of vocabulary, dictionary are built.The storage of dictionary is dependent on the memory (master control in main control chip
Chip is in AT89S51 microcontrollers).Before being identified, information process unit is also needed to the audio letter after noise reduction process
Number letter signal (digital signal) is converted into again into the comparison with word repository.Here digital-to-analogue conversion hardware-dependent with
TLV5580 (a kind of chip for being specifically used to carry out data conversion).Final speech interface can lead to voice recognition readout
It crosses serial ports and exports and give dynamic expression system.Communication uses wired connection or Bluetooth communication.
Speech interface further includes：External loudspeaker interface, earphone interface, communication interface, power interface and download.
The structure of the design and communication module including user interface in dynamic expression system.The use of man-machine graphical interaction
Family interface is based on Android studio are designed and what develop one can run under any Android operation system answers
Use program.Wherein, the programming of APP is by the sorting code number to material in expression data library with upper level judge
It is worth corresponding expression packet extraction, the result of full animation expression is realized by way of showing frame by frame.Wherein, Android Studio
It is an Android Integrated Development Tool, based on IntelliJ IDEA. similar to Eclipse ADT.Android Studio are carried
Supply integrated Android developing instruments for developing and debugging.The presentation of dynamic expression system is relied on to Android
The exploitation of application program.The utility model uses design and space layout of the Java language to APP.
Android studio carry out final operation and presentation using display screens such as tablet computer or mobile phones.User circle
Face also relies on the display screen of built-in Android studio programs, this display screen is also tangible.
The dynamic expression system is gone here and there by the calling in the libraries serial in the python in Android studio programs
Port communications are to obtain the voice recognition readout of speech interface.The exploitation design of APP can be to this in Android Studio
Voice recognition readout carries out monitoring setting, can be transferred after monitoring signal meets with a response the grader in expression data library into
The selection of row expression material；The libraries pillow are reused to realize the extraction of expression material and be rendered as Dynamic Graph displaying frame by frame.
That the design of expression material utilizes is 3D MAX to be patterned and Animation Programming, ultimately generates figure or regards
Frequently.The advantages of carrying out the drafting and design of expression packet using 3DMAX be：Composition is 3D effect, and appreciative value is strong, is improved man-machine
Interactive experience sense.
The hardware aspect of the dynamic expression system, what display screen selected is resolution ratio for 1280*800 LED display, show
Display screen relies on the mobile phone or tablet of Android platform.By bluetooth module or I/O port data are carried out with speech interface
Communication.Dynamic expression system further includes：Communication interface, power interface and download interface.Hardware, which is built, more saves space
And it is also more succinct, intuitive in appearance.
The workflow of man machine language's graphical interaction system is as follows：
Step 1：Auto-initiation enters normal man machine language's graphical interaction interface after the power is turned on, exports and presets voice letter
Breath is to prompt the phonetic order of acquisition user.
Step 2：User expresses the phonetic order information of oneself according to prompt, and sound acquisition module automatic collection is received and is somebody's turn to do
Command information, and noise reduction module is sent it to handle the sentence of acquisition sharpening, accuracy.
Specially by the voice command (audio signal) of the user received, audio signal is sharpened by noise reduction module processing
Information process unit will be sent in the form of voice signal afterwards.
Step 3：Information process unit is extracted and is identified to the voice signal after noise reduction process, is judged whether and is
System presets whether effective vocabulary, sentence in library match, and further arranges and realizes preset value output corresponding with judging result；If
Fail the phonetic order of identification user, the automatic rebound step 1 of system to receive correct user speech information again.
Identification process：Vocabulary storage can be established according to the preset function of man machine language's graphical interaction system at design initial stage
Library, wherein word repository include effective vocabulary (keyword) and invalid vocabulary.Voice signal after noise reduction process is passed through
Text information is obtained after digital-to-analogue conversion, and is matched with the vocabulary of default word repository, is compared, to carry out effective word
It converges and identifies and judge, obtain voice recognition readout (preset value).(setting of rubbish vocabulary here is according to effective vocabulary
Unisonance, partials, tone etc. it is different set up, accurately identify order to reach).
Step 4：The preset value of information process unit is sent to connecing for dynamic expression system by way of serial communication
Receiving end.If receiving terminal does not obtain preset value input, system can be indicated by other serial ports outputs level signals come communication control
Lamp length is bright to be interrupted with prompt system intercommunication, then can auto-returned step 3；If receiving terminal successfully obtains preset value input,
Serial ports can outputs level signals come keep communication indicator light glittering and system can enter expression material the extraction stage.
Step 5：System background according to preset value carry out result classification, expression material database can then be scanned for,
Match, extract.
Specially speech interface exports different number (hexadecimal) after different phonetic order is identified and passes through
I/O port or Bluetooth communication are transferred to dynamic expression system, and the different expression materials in dynamic expression system are that have different numbers
, the hexadecimal number of this transmission is corresponding with material graph laplacian, then extracts, and matches.That is which expression
Which corresponding order is pre-designed, and speech interface and dynamic expression system label correspond to the expression for being achieved that different situations
Dynamic expression is showed and user is allow intuitively to watch feedback result by extraction.
Step 6：Remind user that this time interaction is completed, voice prompt user selects --- whether continue new interaction,
Sentence instruction expressed by user is intended to judgement, decision terminates the operation of man-machine interactive system or return to step one carries out
The interaction course of a new round.
Man machine language's graphical interaction system provided by the utility model includes function phases below：
Acquisition and receive capabilities of the speech interface to voice command
Speech interface realizes the reception to user voice command information and acquisition by sound acquisition module.It can pass through
Active microphone acquires user voice command information.In addition to this, can also by stereo input channel audio files with
Obtain user voice command information.A variety of acquisition modes of sound are merged in the utility model, are provided to the user
Interactive mode in addition to directly inputting phonetic order so that user can use the input of audio files under special circumstances
Realize the input of long-range user voice command information.
Speech interface is to the user voice command information processing function
After being properly received, collecting user voice command information, it next can be processed into and be more clear, accurately refer to
Enable the feedback output after being carried out so as to system.Wherein signal processing stages include：
Noise reduction process
The circuit design of noise reduction process module is sensitive by change noise threshold value, end-point detection position, microphone first
Degree etc. realizes active noise reduction to realize the voice collecting of rough sharpening by filter circuit：Using in the module
The quick Analyze noise characteristic of operational amplifier circuit after, filtering will produce a kind of with voice signal phase difference 180 degree, equal-sized sound
Wave gives script signal to be superimposed, and thus can fully offset noise section, even if so that user in noisy environment or
The phonetic order of expression is intended to compared with can also accurately be received, identify by system under ambiguity.
Identify command information
Phonetic order after noise reduction process will continue to enter message processing module receiving pretreatment and feature extraction, lead to
It crosses and forms recognition result with effective terminology match in word repository, the judgement final process for carrying out similarity.
Connection between speech interface and dynamic expression system and communication function
Voice command after processed can affect speech interface to dynamic table in the identified recognition result formed later
It is with one's heart at the output of system communication signal.According to different recognition results, system can make corresponding selection to be had to export this to serial ports
Communication signal, and then dynamic expression system can just receive communication signal instruction order to control the extraction of expression material and be in
It is existing.Wherein, speech interface and the connection of dynamic expression system, communicate and be to rely on software control, realize quickly, be directly connected
The two large divisions of system, the accurate transmission for carrying out signal.
Function is presented to the selection of expression material, extraction and final animation in system
Dynamic expression system can carry out signal identification on backstage after receiving the communication signal of speech interface, judge, in turn
The extraction to dynamic expression material is carried out, presentation function realized by the control of software.
The utility model discloses the systems that voice, graphical interaction are carried out between a kind of people and robot, are related to intelligence
Control and field of human-computer interaction.The system can be received accurately by one group, be handled and identifies the interface and one of user voice command
The dynamic expression system designed based on full animation expression is covered to constitute.Wherein, speech interface by main control chip, sound acquisition module,
Noise reduction module, information process unit, communication serial ports composition, realize and are carried out to the phonetic order of user under more noisy environment
The function of voice command recognition intention is received and come according to predetermined keyword, and communication serial ports output signal specific can be relied on
It is worth for triggering the feedback process of dynamic expression system.The design of dynamic expression system is mainly realized pair using software programming
The communication of speech interface output valve receives, anti-further according to being selected the judgement of the value and extracting corresponding dynamic expression progress
Feedback is presented.Interactive system provided by the utility model can clearly receive and identify the phonetic order of user, substantially increase
The acquisition precision of traditional voice interface；Using dynamic expression mechanism come the human-computer interaction form of feedback user, significantly increase
The appreciative value of man-machine interactive system and interest so that user experience is more flexible, lively.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. a kind of man machine language's graphical interaction system, which is characterized in that man machine language's graphical interaction system includes that sound is adopted
Collect module, speech processing module and dynamic expression feedback module；
The sound acquisition module, for obtaining audio signal input by user；
The speech processing module is connect with the sound acquisition module, be filtered for the audio signal to acquisition,
Noise reduction, conversion process export effective letter signal；
The dynamic expression feedback module, connect with the speech processing module, for receiving effective letter signal, and root
Corresponding motion graphics are fed back according to effective letter signal.
2. man machine language's graphical interaction system according to claim 1, which is characterized in that the sound acquisition module packet
It includes：Microphone interface and external channel interface；The microphone interface is for directly acquiring audio signal input by user；It is described
External channel interface is used to obtain the audio signal of outside sound source component input.
3. man machine language's graphical interaction system according to claim 1, which is characterized in that the speech processing module packet
It includes：Passive low-pass filter circuit, main control chip, low-power audio operational amplifier and audio convert chip；The low-power
Audio operational amplifier is all connected with the passive low-pass filter circuit, the main control chip, audio conversion chip；It is described
Main control chip is also connect with audio conversion chip；The passive low-pass filter circuit also connects with the sound acquisition module
It connects；The model AT89S51 of the main control chip；The digital audio conversion chip model TLV5580.
4. man machine language's graphical interaction system according to claim 3, which is characterized in that the speech processing module is also wrapped
Include communication serial port；The communication serial port is all connected with the speech processing module, the dynamic expression feedback module, is used for institute
It states effective letter signal and is sent to the dynamic expression feedback module.
5. man machine language's graphical interaction system according to claim 1, which is characterized in that the dynamic expression feedback module
Specially display screen；Android Studio programs, expression material repository and grader built in the display screen.
6. man machine language's graphical interaction system according to claim 1, which is characterized in that man machine language's graphical interaction
System further includes shell, assistant metal element；The material of the shell is damping material；The external of the assistant metal element applies
Layer material is damping paint.
7. man machine language's graphical interaction system according to claim 1, which is characterized in that man machine language's graphical interaction
System further includes communication indicator light；The communication indicator light is connect with the dynamic expression feedback module, described dynamic for showing
The working condition of state expression feedback module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910002A (en) * | 2017-12-20 | 2018-04-13 | 北京工业大学 | A kind of man machine language's graphical interaction system and method |
| CN110282288A (en) * | 2019-07-22 | 2019-09-27 | 深圳绎趣智能科技有限公司 | A kind of intelligent sound garbage classification device and classification method |
-
2017
- 2017-12-20 CN CN201721792994.0U patent/CN207651166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910002A (en) * | 2017-12-20 | 2018-04-13 | 北京工业大学 | A kind of man machine language's graphical interaction system and method |
| CN110282288A (en) * | 2019-07-22 | 2019-09-27 | 深圳绎趣智能科技有限公司 | A kind of intelligent sound garbage classification device and classification method |
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