CN106303836B - A kind of method and device adjusting played in stereo - Google Patents
A kind of method and device adjusting played in stereo Download PDFInfo
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- CN106303836B CN106303836B CN201611024122.XA CN201611024122A CN106303836B CN 106303836 B CN106303836 B CN 106303836B CN 201611024122 A CN201611024122 A CN 201611024122A CN 106303836 B CN106303836 B CN 106303836B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The invention discloses a kind of methods for adjusting played in stereo, this method comprises: obtaining the location information of multiple intelligent sound boxes in the user environment of microphone array detection；Obtain the audio frequency characteristics for the multiple intelligent sound box that the microphone array extracts；According to the location information and/or the audio frequency characteristics, speaker control instruction is generated；The speaker control instruction of generation is sent to associated intelligent sound box, to adjust the played in stereo effect of the multiple intelligent sound box.The present invention, which is realized, is adjusted the result of broadcast of speaker according to the relative position of intelligent sound box and user, keeps played in stereo sound more life-like, promotes user experience.
Description
Technical field
The present invention relates to smart machine field more particularly to a kind of method and devices for adjusting played in stereo.
Background technique
For current many smart machines in order to pursue better audio-visual enjoyment, most of smart machines have played in stereo effect
Fruit plays out especially by connection external smart speaker, but when external multiple intelligent sound box positions are not fixed, because setting
It is standby itself to be adjusted according to intelligent sound box position and user location, it is unable to reach seeing and hearing enjoyment true to nature.
Summary of the invention
In view of this, the purpose of the present invention is to propose to a kind of method and device for adjusting played in stereo, it can be according to intelligence
Energy speaker position and user location carry out the optimization of played in stereo effect.
To achieve the above object, the present invention adopts the following technical scheme:
In a first aspect, the embodiment of the invention provides a kind of methods for adjusting played in stereo, comprising:
Obtain the location information of multiple intelligent sound boxes in the user environment of microphone array detection；
Obtain the audio frequency characteristics for the multiple intelligent sound box that the microphone array extracts；
According to the location information and/or the audio frequency characteristics, speaker control instruction is generated；
The speaker control instruction of generation is sent to associated intelligent sound box, to adjust the solid of the multiple intelligent sound box
Sound result of broadcast.
Second aspect, the embodiment of the invention provides a kind of devices for adjusting played in stereo, comprising:
Location information obtains module, the positioning of multiple intelligent sound boxes in the user environment for obtaining microphone array detection
Information；
Audio frequency characteristics obtain module, and the audio for obtaining the multiple intelligent sound box that the microphone array extracts is special
Sign；
Directive generation module, for generating speaker control instruction according to the location information and/or the audio frequency characteristics；
Instruction sending module, for the speaker control instruction of generation to be sent to associated intelligent sound box, described in adjusting
The played in stereo effect of multiple intelligent sound boxes.
The beneficial effects of the present invention are: a kind of method and device for adjusting played in stereo provided by the invention, passes through wheat
Gram wind array realizes the positioning to intelligent sound box and the extraction of audio frequency characteristics, is adjusted to the result of broadcast of speaker, makes to stand
Body sound broadcasting sound is more life-like, promotes user experience.
Detailed description of the invention
Exemplary embodiments of the present invention will be described in detail referring to the drawings by general below, makes those skilled in the art
Become apparent from above-mentioned and other feature and advantage of the invention, in attached drawing:
Fig. 1 is a kind of flow diagram of the method for adjusting played in stereo that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of method for adjusting played in stereo provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structural block diagram of the device for adjusting played in stereo that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural block diagram of the device for adjusting played in stereo that the embodiment of the present invention four provides.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.It is understood that
It is that specific embodiment described herein is used only for explaining the present invention rather than limiting the invention.It further needs exist for illustrating
, only the parts related to the present invention are shown for ease of description, in attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow diagram of the method for adjusting played in stereo that the embodiment of the present invention one provides.This method
The case where suitable for played in stereo, this method can be executed by the device of adjusting played in stereo.Adjust played in stereo
Device can be realized by the mode of software and/or hardware.As shown in Figure 1, this method comprises:
Step 110, the location information for obtaining multiple intelligent sound boxes in the user environment of microphone array detection.
In the present embodiment, microphone array is arranged on intelligent terminal, and microphone array is made of multiple microphones.
Intelligent terminal can such as smart phone, tablet computer, Intelligent bracelet and smartwatch etc electronic equipment, and user carry
Or intelligent terminal is worn, make the position of user and the position consistency of intelligent terminal.
Microphone array positions multiple intelligent sound boxes in user surrounding environment according to the position of user respectively, obtains
The relative distance of each intelligent sound box and user is obtained, and intelligent terminal obtains the location information of microphone array transmission.
Step 120, the audio frequency characteristics for obtaining multiple intelligent sound boxes that microphone array extracts.
Microphone array analyzes the audio frequency characteristics of intelligent sound box by the audio-frequency information of each intelligent sound box of reception, according to
Audio frequency characteristics obtain the performance parameter of intelligent sound box, and intelligent terminal obtains the audio spy of the intelligent sound box of microphone array transmission
Sign.Wherein, audio frequency characteristics may include: tone, loudness and tone color etc.；Performance parameter may include: that frequency range and frequency are rung
It answers, the distortion factor and signal-to-noise ratio etc..
Step 130, foundation location information and/or audio frequency characteristics, generate speaker control instruction.
Specifically, intelligent terminal generates speaker control instruction according to the relative position of speaker and user, alternatively, according to speaker
Audio frequency characteristics generate speaker control instruction, or, generated according to the relative position of user and the audio frequency characteristics of corresponding speaker
Speaker control instruction.And it is different by the speaker control instruction that different modes generate.
The speaker control instruction of generation is sent to associated intelligent sound box by step 140, to adjust multiple intelligent sound boxes
Played in stereo effect.
Specifically, the speaker control instruction of generation is sent respectively to corresponding intelligent sound box, intelligent sound box by intelligent terminal
The result of broadcast of oneself is adjusted according to received speaker control instruction, to adjust the played in stereo effect of all intelligent sound boxes
Fruit realizes the adjusting to intelligent sound box played in stereo.
A kind of method for adjusting played in stereo that the embodiment of the present invention one provides utilizes Mike according to the position of user
Wind array positions intelligent sound box, obtains the location information of intelligent sound box；Meanwhile intelligent sound is extracted using microphone array
The audio frequency characteristics of case obtain the performance parameter of intelligent sound box；In intelligent terminal processor according to the location information of intelligent sound box and/
Or audio frequency characteristics, corresponding speaker control instruction is generated, the speaker control instruction of generation is sent to corresponding intelligent sound box, it is right
The broadcasting of intelligent sound box is adjusted, and realizes the adjusting to played in stereo, keeps played in stereo sound more life-like, is promoted and is used
Family experience.
Embodiment two
Fig. 2 is a kind of flow diagram of method for adjusting played in stereo provided by Embodiment 2 of the present invention.This implementation
Example is optimized based on above-described embodiment, in the present embodiment, will acquire more in the user environment of microphone array detection
The location information of a intelligent sound box optimizes are as follows: judges whether user is kept in motion；If user is kept in motion, obtain
The location information of multiple intelligent sound boxes in the user environment of microphone array detection；In the multiple intelligence for obtaining microphone array extraction
After the audio frequency characteristics of energy speaker, according to audio frequency characteristics, audio data to be played is handled, and audio data is sent out by treated
It send to multiple intelligent sound boxes and plays out.
Correspondingly, the method for the present embodiment specifically includes:
Step 210 judges whether user is kept in motion；If user is kept in motion, microphone array is obtained
The location information of multiple intelligent sound boxes in the user environment of detection.
In the present embodiment, processor passes through reception motion sensor senses in intelligent terminal 3-axis acceleration and three axis
Angular speed, and GPS positioning information is combined, judge the motion state of user；By judging whether user is kept in motion, to sentence
Whether disconnected microphone array needs to detect the location information of intelligent sound box, can effectively save microphone operating cost.When with
When family is not in motion state, microphone array can be without detection；When user goes out motion state, start to detect intelligent sound
The location information of case.
Step 220, the audio frequency characteristics for obtaining multiple intelligent sound boxes that microphone array extracts.
Step 230, foundation audio frequency characteristics handle audio data to be played, and audio data is sent to by treated
Multiple intelligent sound boxes play out.
Specifically, intelligent terminal judges the performance parameter of each intelligent sound box according to the audio frequency characteristics that intelligent sound box plays,
In conjunction with the audio for currently needing to play, respective handling is carried out to the audio data that each intelligent sound box needs to play, makes broadcasting
Audio reaches ideal result of broadcast.
Step 240, foundation location information and/or audio frequency characteristics, generate speaker control instruction.
The speaker control instruction of generation is sent to associated intelligent sound box by step 250, to adjust multiple intelligent sound boxes
Played in stereo effect.
It should be noted that not limiting specifically in the present embodiment the operation order of step 230, step 240 and step 250
It is fixed, only need step 250 to execute after step 240.
Further, according to location information, speaker control instruction is generated, may include: to determine according to multiple intelligent sound boxes
Position information, determines the broadcasting time difference of multiple intelligent sound boxes；According to the broadcasting time difference determined, generates and start play instruction.
Further, according to audio frequency characteristics, speaker control instruction is generated, may include: the sound according to multiple intelligent sound boxes
Frequency feature, by wave amplitude, actual audio signal waveform and practical frequency of the frequency response of multiple intelligent sound boxes in each frequency range
Rate respectively with standing acoustic waves amplitude, standard audio signal waveform and standard frequency of the frequency response of standard pronunciation in each frequency range into
Row compares；According to comparison result, the performance and result of broadcast of multiple intelligent sound boxes are determined；According to multiple intelligent sound boxes performance and
Result of broadcast generates the sound effect control instruction of multiple intelligent sound boxes.
In a specific embodiment, the method for played in stereo being adjusted in the application can be applied to user at home
It listens to music or watches in the scene of video.User listens to music or watches at home video, and the intelligent terminal that user wears is not
Whether disconnected detection user is kept in motion, and when detecting that user is kept in motion, the position of user may change
Becoming, intelligent sound box may change relative to the position of user, and microphone array starts to detect the location information of intelligent sound box,
And the audio frequency characteristics of intelligent sound box are detected, according to the audio frequency characteristics of intelligent sound box, by the frequency response of multiple intelligent sound boxes each
Wave amplitude, actual audio signal waveform and actual frequency in frequency range is respectively with the frequency response of standard pronunciation in each frequency range
Standing acoustic waves amplitude, standard audio signal waveform and standard frequency are compared；According to comparison result, multiple intelligent sound boxes are determined
Performance and result of broadcast；According to the performance and result of broadcast of multiple intelligent sound boxes, the sound effect control of multiple intelligent sound boxes is generated
Instruction.Meanwhile the sound that each intelligent sound box is played according to the demand of the respective performance parameter of each intelligent sound box or user
Frequency performs corresponding processing, to enhance the result of broadcast of audio, such as: according to the location information and intelligent sound box of each intelligent sound box
Performance parameter, determine the audio content that each speaker plays.It is very big to high bass boost when playing rock music, for
The speaker for playing bass carries out the processing of enhancing bass effect, meanwhile, according to each intelligent sound box distortion factor and signal-to-noise ratio, reduce
The processing of the speaker distortion factor and signal-to-noise ratio reaches the requirement of woofer broadcasting；Speaker for playing low high pitch enhances
The processing of high pitch effect, meanwhile, according to each intelligent sound box distortion factor and signal-to-noise ratio, reduce the place of the speaker distortion factor and signal-to-noise ratio
Reason reaches the requirement of high-pitched sound box broadcasting.When playing the programs such as cross-talk essay, the frequency range for the sound that the throat of people issues
Narrow, main concentrate promotes middle pitch part, does the processing of middle pitch result of broadcast to the audio that middle pitch plays speaker.When broadcasting film
It when video, according to the audio of broadcasting, needs to play out the delay etc. of sound, to reach ideal audibility, completes three-dimensional
The adjusting of sound reaches result of broadcast true to nature, promotes user experience.
Embodiment three
Fig. 3 is a kind of structural block diagram of the device for adjusting played in stereo that the embodiment of the present invention three provides.Such as Fig. 3 institute
Show, which includes: that location information obtains module 310, audio frequency characteristics obtain module 320, directive generation module 330 and instruction are sent out
Send module 340, in which:
Location information obtains module 310, multiple intelligent sound boxes in the user environment for obtaining microphone array detection
Location information；
Audio frequency characteristics obtain module 320, the audio frequency characteristics of multiple intelligent sound boxes for obtaining microphone array extraction；
Directive generation module 330, for generating speaker control instruction according to location information and/or audio frequency characteristics；
Instruction sending module 340 is more to adjust for the speaker control instruction of generation to be sent to associated intelligent sound box
The played in stereo effect of a intelligent sound box.
A kind of device for adjusting played in stereo is present embodiments provided, location information obtains module 310 and obtains microphone
The location information of multiple intelligent sound boxes in the user environment of array detection, and the location information of intelligent sound box is sent to instruction life
At module 330；Audio frequency characteristics obtain the audio frequency characteristics that module 320 obtains the intelligent sound box that microphone array extracts, by intelligent sound
The audio frequency characteristics of case are sent to directive generation module 330；Directive generation module 330 generates sound according to the location information of intelligent sound box
Case control instruction, alternatively, speaker control instruction is generated according to the audio frequency characteristics of intelligent sound box, or, according to intelligent sound box
The audio frequency characteristics of location information and corresponding intelligent sound box generate speaker control instruction；Instruction is generated mould by instruction sending module 340
The speaker control instruction that block 330 generates sends corresponding intelligent sound box, and intelligent sound box is adjusted according to received speaker control instruction
The result of broadcast of oneself keeps played in stereo sound more life-like to adjust the played in stereo effect of all intelligent sound boxes,
Promote user experience.
The device provided in this embodiment for adjusting played in stereo, it is three-dimensional with adjusting provided by any embodiment of the invention
The method that sound plays belongs to same inventive concept, and the side provided by any embodiment of the invention for adjusting played in stereo can be performed
Method has corresponding function and beneficial effect.The not technical detail of detailed description in the present embodiment, reference can be made to the present invention is any
The method for the adjusting played in stereo that embodiment provides.
Example IV
Fig. 4 is a kind of structural block diagram of the device for adjusting played in stereo that the embodiment of the present invention four provides.Such as Fig. 4 institute
Show, which includes: that location information obtains module 310, audio frequency characteristics obtain module 320, directive generation module 330 and instruction are sent out
Send module 340, further includes:
Audio data processing module 350, in the audio frequency characteristics for obtaining multiple intelligent sound boxes that microphone array extracts
Later, according to audio frequency characteristics, audio data to be played is handled, and audio data is sent to multiple intelligent sound boxes by treated
It plays out.
Further, directive generation module 330 is also used to: according to the location information of multiple intelligent sound boxes, from multiple intelligence
Intelligent sound box to be closed is determined in speaker；According to the intelligent sound box to be closed determined, speaker out code is generated.
Further, directive generation module 330 is also used to: according to the location information of multiple intelligent sound boxes, determining multiple intelligence
The broadcasting time difference of energy speaker；According to the broadcasting time difference determined, generates and start play instruction.
Further, directive generation module 330 is also used to: according to the audio frequency characteristics of multiple intelligent sound boxes, by multiple intelligence
Wave amplitude, actual audio signal waveform and actual frequency of the frequency response of speaker in each frequency range respectively with the frequency of standard pronunciation
Standing acoustic waves amplitude, standard audio signal waveform and standard frequency of the rate response in each frequency range are compared；Foundation compares knot
Fruit determines the performance and result of broadcast of multiple intelligent sound boxes；According to the performance and result of broadcast of multiple intelligent sound boxes, generate multiple
The sound effect control of intelligent sound box instructs.
Further, location information obtains module 310 and is also used to: judging whether user is kept in motion；If at user
In motion state, then the location information of multiple intelligent sound boxes in the user environment of microphone array detection is obtained.
In the present embodiment, a kind of device for adjusting played in stereo is provided, location information obtains module 310 and obtains wheat
The location information of the intelligent sound box of gram wind array detection, and the location information is sent to directive generation module 330, instruction generates
Module 330 determines the opening and closing of intelligent sound box, generates intelligence according to the location information of intelligent sound box and in conjunction with play sound effect
The control instruction of speaker.The audio frequency characteristics that audio data processing module 350 is provided according to microphone array, determine intelligent sound box
Performance parameter adjusts the audio-frequency information that corresponding intelligent sound box plays；Or the performance parameter of intelligent sound box is sent to accordingly
Playback equipment, the audio-frequency information played to intelligent sound box handle, are then forwarded to intelligent sound box and play out.Illustratively,
During handling audio-frequency information, according to the broadcasting feature of intelligent sound box, the audio-frequency information enhancing played to woofer is low
The intensity of message breath, to the intensity for the audio-frequency information enhancing high pitch information that high-pitched sound box plays；According to speaker distortion factor itself and
Noise ratio reduce to audio-frequency information the processing of the distortion factor and noise ratio；According to the location information of multiple intelligent sound boxes, determine
The broadcasting time difference of multiple intelligent sound boxes；According to the broadcasting time difference determined, generates and start play instruction, adjust the broadcasting of speaker, reach
To result of broadcast etc. true to nature.Play time difference is mainly the Sound image localization principle according to the time difference, the solid that human ear is heard
Sound is caused by sound reaches the successive time difference of ears, to may determine that at a distance from ears according to time difference, particularly,
The time difference that intelligent sound box plays should be maintained within the scope of a certain amount value, and user should be at the range of intelligent sound box play system
It is interior；Time difference reflect sound reach ears it is successive caused by relative time difference, intensity difference then reflects sound in air
The difference in attenuation as caused by distance is propagated, the intensity difference of playing audio signal is the Sound image localization principle according to intensity difference, sound
The intensity that sound reaches human ear is different, it can be determined that sound source is different at a distance from human ear, during sound transmission, head or
Air forms sound wave the intensity that obstacle reduces sound, so the intensity of sound to two ears of intelligent is different, passes through tune
The intensity difference of section playing audio signal also can achieve the purpose of stereo adjusting.The device is mountable in an intelligent terminal, complete
The control of pairs of intelligent sound box, achievees the purpose that stereosonic adjusting.Particularly, playing module be also possible to intelligent terminal with
Outer external equipment, such as the equipment that TV and computer can play music and video, intelligent terminal pass through the communication parties such as bluetooth
The performance parameter of intelligent sound box is sent to playback equipment by formula, and playback equipment is being sent to intelligence by being handled audio
Speaker plays out, to adjust stereosonic result of broadcast, promotes user experience.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (4)
1. a kind of method for adjusting played in stereo characterized by comprising
Obtain the location information of multiple intelligent sound boxes in the user environment of microphone array detection；
Obtain the audio frequency characteristics for the multiple intelligent sound box that the microphone array extracts；
According to the audio frequency characteristics or according to the location information and the audio frequency characteristics, speaker control instruction is generated；
The speaker control instruction of generation is sent to associated intelligent sound box, is broadcast with adjusting the stereo of the multiple intelligent sound box
Put effect；
Wherein, the location information for obtaining multiple intelligent sound boxes in the user environment that microphone array detects, comprising:
Judge whether user is kept in motion；
If the user is kept in motion, the positioning of multiple intelligent sound boxes in the user environment of microphone array detection is obtained
Information；
If user is not in motion state, the location information that microphone array stops detection intelligent sound box is controlled；
Wherein, according to the audio frequency characteristics, speaker control instruction is generated, comprising:
According to the audio frequency characteristics of the multiple intelligent sound box, by sound of the frequency response of the multiple intelligent sound box in each frequency range
Wave amplitude, actual audio signal waveform and actual frequency the standing acoustic waves width with the frequency response of standard pronunciation in each frequency range respectively
Degree, standard audio signal waveform and standard frequency are compared；
According to comparison result, the performance and result of broadcast of the multiple intelligent sound box are determined；
According to the performance and result of broadcast of the multiple intelligent sound box, the sound effect control instruction of the multiple intelligent sound box is generated；
It is described according to the location information, generate speaker control instruction, comprising:
According to the location information of the multiple intelligent sound box, the broadcasting time difference of the multiple intelligent sound box is determined；According to what is determined
The time difference is played, generates and starts play instruction.
2. the method according to claim 1, wherein obtaining the multiple intelligence that the microphone array extracts
After the audio frequency characteristics of speaker, comprising:
According to the audio frequency characteristics, audio data to be played is handled, and will treated that audio data is sent to is the multiple
Intelligent sound box plays out.
3. a kind of device for adjusting played in stereo characterized by comprising
Location information obtains module, the positioning letter of multiple intelligent sound boxes in the user environment for obtaining microphone array detection
Breath；
Audio frequency characteristics obtain module, for obtaining the audio frequency characteristics for the multiple intelligent sound box that the microphone array extracts；
Directive generation module, for generating sound according to the audio frequency characteristics or according to the location information and the audio frequency characteristics
Case control instruction；
Instruction sending module, it is the multiple to adjust for the speaker control instruction of generation to be sent to associated intelligent sound box
The played in stereo effect of intelligent sound box；
Wherein, the location information obtains module and is specifically used for:
Judge whether user is kept in motion；
If the user is kept in motion, the positioning of multiple intelligent sound boxes in the user environment of microphone array detection is obtained
Information；
If user is not in motion state, the location information that microphone array stops detection intelligent sound box is controlled；
Wherein, described instruction generation module is specifically used for:
According to the audio frequency characteristics of the multiple intelligent sound box, by sound of the frequency response of the multiple intelligent sound box in each frequency range
Wave amplitude, actual audio signal waveform and actual frequency the standing acoustic waves width with the frequency response of standard pronunciation in each frequency range respectively
Degree, standard audio signal waveform and standard frequency are compared；
According to comparison result, the performance and result of broadcast of the multiple intelligent sound box are determined；
According to the performance and result of broadcast of the multiple intelligent sound box, the sound effect control instruction of the multiple intelligent sound box is generated；
Described instruction generation module is specifically used for:
According to the location information of the multiple intelligent sound box, the broadcasting time difference of the multiple intelligent sound box is determined；According to what is determined
The time difference is played, generates and starts play instruction.
4. device according to claim 3 characterized by comprising
Audio data processing module, in the audio frequency characteristics for obtaining the multiple intelligent sound box that the microphone array extracts
Later, according to the audio frequency characteristics, audio data to be played is handled, and will treated that audio data is sent to is the multiple
Intelligent sound box plays out.
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| CN203912154U (en) * | 2014-04-22 | 2014-10-29 | 深圳市鲁光电子科技有限公司 | Sound box control device and audio system |
| WO2015182597A1 (en) * | 2014-05-26 | 2015-12-03 | ヤマハ株式会社 | Connection confirmation system, connection confirmation program, connection confirmation method, and connection detection device |
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| CN106303836A (en) | 2017-01-04 |
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