CN108966002A - A kind of device and method using micro- expression adjustment volume - Google Patents
A kind of device and method using micro- expression adjustment volume Download PDFInfo
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- CN108966002A CN108966002A CN201810946430.0A CN201810946430A CN108966002A CN 108966002 A CN108966002 A CN 108966002A CN 201810946430 A CN201810946430 A CN 201810946430A CN 108966002 A CN108966002 A CN 108966002A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit For Audible Band Transducer (AREA)
- Television Receiver Circuits (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present invention provides a kind of device and method using micro- expression adjustment volume, and the outer playback amount of video is adjusted when the video switching in the playback terminal with playback unit and camera, for playing in playback terminal is arranged in.For device using micro- expression adjustment volume of the invention based on the method using micro- expression adjustment volume, the operating procedure of this method is as follows: step 101, having video being played on when monitoring playback terminal, starts this method；Step 102, detection terminates volume peak；Step 103, the micro- expression of the first supercilium is captured；Step 104, detection starts volume peak；Step 105, judge whether volume has and significantly increase feature；Step 106, judging result is no, is not adjusted；Step 107, judging result is yes, captures the micro- expression of the second supercilium；Step 108, judge supercilium with the presence or absence of shrinkage characteristic；Step 109, judging result is no, is not adjusted；Step 110, judging result is yes, turns volume down；Step 111, this method terminates.
Description
Technical field
The present invention relates to a kind of device using micro- expression adjustment volume and the methods using micro- expression adjustment volume.
Background technique
With video jukebox software, the prevalence of video web-pages, APP, user uses the equipment such as mobile phone, plate viewing video
Behavior has incorporated daily gradually.
But these video jukebox softwares might have the unexpected increase of volume when switching plays video and cause user
Discomfort, reason is difference of the audio due to respective treatment process of video itself, causes under same device voice volume,
The final volume of each audio output still may be different.
The equipment of adjustment volume on the market is all external equipment, such as earphone, speaker mostly at present, and is only intended to
Audio result of broadcast is improved, there is no to the processing scheme for causing volume to increase suddenly due to audio self reason.
Summary of the invention
To solve the above problems, providing a kind of device and method for adjusting playback terminal volume, present invention employs as follows
Technical solution:
The present invention provides a kind of devices using micro- expression adjustment volume, are arranged in playback unit and camera
In playback terminal, the video for playing in playback terminal is adjusted the outer playback amount of video when switching, which is characterized in that
It include: default decibel storage unit, preset time storage unit, default volume adjustment ratio storage unit, adjustment control unit, the first video
Playback action monitoring unit, the first video length acquisition unit, ending period judging part, the first video progress test section, the first video
Volume storage unit, the first record time point configuration part, the first detection slot setup portion, the first comparison decibel acquisition unit, the second view
Frequency playback action monitoring unit, the second video length acquisition unit, the second video progress test section, the second video volume storage unit,
Two record time point configuration parts, first micro- expression acquisition unit, the second detection slot setup portion, the second comparison decibel acquisition unit, right
Than decibel judging part, second micro- expression acquisition unit, supercilium comparison judging part and volume control section, the storage of decibel storage unit is preset
There is preset detection decibel value, preset time storage unit is stored with the first predetermined time period and the second predetermined time period,
The value range of first predetermined time period and the second predetermined time period preset volume adjustment ratio between 5~10 seconds
Storage unit is stored with preset volume adjustment ratio, wherein the first video playing movement monitoring unit, which monitors playback unit, to be had
The current video of broadcasting, adjustment control unit the first video length acquisition unit of control carry out detection to the playback progress of current video and obtain
The first video footage is taken, and controls the broadcasting situation of the first video progress test section detection current video to obtain in real time
Currently playing progress, further control ending period judging part is obtained according to the first video footage by ending judgement ratio calculating
The predetermined detection time point that certain time distance is differed with the video end time is obtained, the first video volume storage unit is currently playing
Progress starts multiple broadcastings that current video is successively stored by scheduled video acquisition time point when reaching predetermined detection time point
Volume is less than or equal to detection point as concluding paragraph decibel value, the first record time point configuration part since concluding paragraph decibel value by
Video acquisition time point corresponding to the broadcast sound volume of shellfish value was set as the first record time point, when above-mentioned currently playing progress arrives
Up to above-mentioned decision condition is not met yet at the end of current video, using the time point that current video terminates as the first record time
Point, the first detection slot setup portion will be set using the first record time point as the time section of the first predetermined time period of terminal
It is set to the ending detection period, the first comparison decibel acquisition unit detects in the period at the end of, obtains highest concluding paragraph decibel value and make
For the first comparison decibel, the second video playing movement monitoring unit has the second video of broadcasting, adjusts after monitoring current video
Whole control unit controls the second video length acquisition unit and carries out detection the second video footage of acquisition to the playback progress of the second video,
And control the second video progress test section and detect the broadcasting situation of the second video to obtain the second playback progress in real time, second
Video volume storage unit playback unit play the second video start successively store the more of current video by video acquisition time point
As beginning section decibel value, the second record time point configuration part will be greater than detection decibel in section decibel value from the beginning for a broadcast sound volume
The broadcast sound volume of value corresponding video acquisition time point was set as the second record time point, first micro- expression acquisition unit, second
When playback progress reached for the second record time point, the expression of the supercilium of user is obtained as the micro- table of the first supercilium by camera
Feelings, the second detection slot setup portion will be set using the second record time point as the time section of the second predetermined time period of starting point
It is set to the beginning detection period, the second comparison decibel acquisition unit obtains highest beginning decibel value conduct within the beginning detection period
Second comparison decibel, comparison decibel judging part judge whether the first comparison decibel and the second comparison decibel have and significantly increase spy
Sign, when the judging result for comparing decibel judging part is no, adjustment control unit interrupts the operation in each portion, controls the first video length
Each portion that acquisition unit is successively run using the second video footage as the first video footage and after restarting, works as comparison
The judging result of decibel judging part is when being, second micro- expression acquisition unit reaches the second preset time section in the second playback progress
When 0.3~0.5 second after the time point of end, the expression of the supercilium of user is obtained as the micro- table of the second supercilium by camera
Feelings, supercilium comparison judging part judge whether the micro- expression of the first supercilium and the micro- expression of the second supercilium have supercilium shrinkage characteristic, volume
Control unit, if supercilium comparison judging part judging result be it is yes, the volume of controlling terminal is turned down in volume adjustment ratio.
Device provided by the invention using micro- expression adjustment volume, can also have such technical characteristic, wherein institute
It states last 1 minute when ending judgement ratio is greater than 10 minutes with video length or last when video length was no more than 10 minutes
10% is used as video trailer duration.
Device provided by the invention using micro- expression adjustment volume, can also have such technical characteristic, wherein institute
Stating and significantly increasing feature is the decibel value that the second comparison decibel the first comparison decibel increases 20dB or more.
Device provided by the invention using micro- expression adjustment volume, can also have such technical characteristic, wherein institute
State supercilium shrinkage characteristic be the micro- expression of the second supercilium micro- expression of the first supercilium supercilium spacing reduce 10% with
On.
Device provided by the invention using micro- expression adjustment volume, can also have such technical characteristic, wherein institute
Stating video acquisition time point is the various time points for carrying out one acquisition to volume every 0.1 second.
The present invention also provides a kind of methods using micro- expression adjustment volume, are arranged with playback unit and camera
Playback terminal in, the outer playback amount of the video is adjusted in when video for playing in playback terminal switching,
It is characterized by comprising the following steps: step S1, monitoring the playback unit has current video being played on；Step S2 is right
The playback progress of the current video carries out detection and obtains the first video footage, and detects the broadcasting situation of the current video
To obtain currently playing progress in real time, further obtained according to first video footage by ending judgement ratio calculating
Obtain the predetermined detection time point that certain time distance is differed with the video end time；Step S3 described works as forward sight playing
Frequency starts successively to store the multiple of the current video by scheduled video acquisition time point when reaching predetermined detection time point to be broadcast
Playback amount is as concluding paragraph decibel value；Step S4 is less than or equal to preset detection point since the concluding paragraph decibel value by
The video acquisition time point corresponding to the broadcast sound volume of shellfish value was set as the first record time point, when it is described it is currently playing into
Degree does not meet above-mentioned decision condition at the end of reaching current video yet, using the time point that the current video terminates as described the
One record time point；Step S5 is set using the first record time point as the time section of the first predetermined time period of terminal
It is set to the ending detection period；Step S6 obtains the highest concluding paragraph decibel value as the within the ending detection period
A pair compares decibel；Step S7 has the second video of broadcasting after monitoring the current video；Step S8, to described second
The playback progress of video carries out detection and obtains the second video footage, and detects the broadcasting situation of second video in real time
Ground obtains the second playback progress；Step S9 starts successively to deposit by the video acquisition time point in broadcasting second video
Multiple broadcast sound volumes of the current video are stored up as beginning section decibel value；Step S10, will be big from the beginning section decibel value
It was set as the second record time point in the broadcast sound volume corresponding video acquisition time point of the detection decibel value；Step
S11 obtains the expression of the supercilium of user by the camera when second playback progress reached for the second record time point
As the micro- expression of the first supercilium；Step S12, using the second record time point as the time of the second predetermined time period of starting point
Section is set as the beginning detection period；Step S13 obtains the highest beginning decibel value within the beginning detection period
As the second comparison decibel；Step S14, judges whether the first comparison decibel and the second comparison decibel have significant increasing
Strong feature；Step S15 interrupts the operation of each step when the judgment result is no, using the second video footage as the first video
Total length simultaneously restarts step S2 and each step successively run later；Step S16, when the judgment result is yes, in institute
When stating 0.3~0.5 second after the second playback progress reaches the time point that second preset time section terminates, taken the photograph by described
As head obtains the expression of the supercilium of user as the micro- expression of the second supercilium；Step S17 judges the micro- expression of first supercilium and institute
State whether the micro- expression of the second supercilium has supercilium shrinkage characteristic, step S18 if the determination result is YES then controls the terminal
Volume is turned down in preset volume adjustment ratio.
Invention action and effect
Device according to the present invention using micro- expression adjustment volume, it is whole to be mounted on the broadcasting with camera and playback unit
In end, when device enables, the volume of next video of playback terminal video being played on and switching is acquired, is led to
It crosses the volume comparison of two videos, judges whether the volume of front and back has apparent enhancing, to micro- table of user if having
Feelings are acquired, and the image by handling micro- expression analyzes the subconscious feeling of user with this, are finally completed and are turned down volume
Movement.Cause volume to be uprushed so as to avoid video switching and cause the situation of user's discomfort, certain protection can also be played and used
The effect of family ear.
Detailed description of the invention
Fig. 1 is the structural block diagram of the device of the invention using micro- expression adjustment volume；And
Fig. 2 is the flow chart of the method for the invention using micro- expression adjustment volume.
Specific embodiment
Illustrate a specific embodiment of the invention below in conjunction with attached drawing.
<embodiment>
Based on the method using micro- expression adjustment volume, setting exists the device using micro- expression adjustment volume of the present embodiment
In playback terminal with camera and playback unit, place is adjusted for uprushing to volume caused by playback unit Switch Video
Reason.
As shown in Figure 1, the device 1 using micro- expression adjustment volume of the present embodiment includes:
Default decibel storage unit 11, preset time storage unit 12, default volume adjustment ratio storage unit 13, adjustment control unit
14, when the first video playing movement monitoring unit 15, the first video length acquisition unit 16, the first video progress test section 17, ending
Section judging part 18, the first video volume storage unit 19, first record time point configuration part 20, first detect slot setup portion 21,
First comparison decibel acquisition unit 22, the second video playing movement monitoring unit 23, the second video length acquisition unit 24, the second video into
Spend test section 25, the second video volume storage unit 26, second record time point configuration part 27, first micro- expression acquisition unit 28, the
Two detection slot setup portions 29, second compare decibel acquisition units 30, comparison decibel judging part 31, second micro- expression acquisition unit 32,
Supercilium compares the systems control division 35 of judging part 33, volume control section 34 and the above-mentioned each portion's operation of control.
Default decibel storage unit 11 is stored with preset detection decibel value, which plays for detecting in terminal
Video whether no longer generate volume, which generally can obtain due effect in 35dB or less.
Preset time storage unit 12 is stored with the first predetermined time period and the second predetermined time period, first it is default when
Between length and the value range of the second predetermined time period between 5~10 seconds, predetermined time period is for confining video sound
The judgement section of the decibel value of amount.
Default volume adjustment ratio storage unit 13 is stored with preset volume adjustment ratio, the volume adjustment ratio can by with
Family is preset, for adjusting the amplitude size of each volume adjustment.
First video playing movement monitoring unit 14 has monitored whether current video being played on.
After having monitored video playing, adjustment control unit 15 will control the first video length acquisition unit 16 to working as forward sight
The playback progress of frequency carries out detection and obtains the first video footage, and controls the first video progress test section 17 and detect current video
Broadcasting situation to obtaining currently playing progress in real time, further control ending period judging part 18 is total according to the first video
Length is calculated by ending judgement ratio and obtains the predetermined detection time point for differing certain time distance with the video end time.
First video volume storage unit 19 starts when currently playing progress reaches predetermined detection time point by scheduled view
Frequency acquisition time successively stores multiple broadcast sound volumes of current video as concluding paragraph decibel value, which is
The various time points of one acquisition were carried out to video every 0.1 second.
First record time point configuration part 20 is less than or equal to the broadcasting of detection decibel value since concluding paragraph decibel value by
Video acquisition time point corresponding to volume was set as the first record time point, at the end of playback progress reaches current video still
Above-mentioned decision condition is not met, using the time point that current video terminates as the first record time point.First record time
Point setting whether start silence for detecting the broadcast sound volume of current video, evade the video trailer issuable noise elimination phase or
It declines the sound phase.
First detection slot setup portion 21, will be using the first record time point as the time of the first predetermined time period of terminal
Section is set as the ending detection period.
First comparison decibel acquisition unit 22, detects in the period at the end of, obtains highest concluding paragraph decibel value as first
Compare decibel.
Second video playing movement monitoring unit 23 has the second video of broadcasting after monitoring current video, if not having
If the present embodiment system can enter standby mode and start the first video playing act monitoring unit 14.
Adjustment control unit 14 controls the second video length acquisition unit 24 and carries out detection acquisition to the playback progress of the second video
Second video footage, and control the second video progress test section 25 and detect the broadcasting situation of the second video to obtain in real time
Second playback progress.
Second video volume storage unit 26 starts successively to deposit by video acquisition time point playback unit the second video of broadcasting
Multiple broadcast sound volumes of current video are stored up as beginning section decibel value.
The broadcast sound volume that second record time point configuration part 27 will be greater than detection decibel value in section decibel value from the beginning is corresponding
Video acquisition time point be set as the second record time point.The setting at the second record time point is for evading the no volume of beginning
The video of output.
First micro- expression acquisition unit 28 obtains the supercilium of user when the second playback progress reached for the second record time point
Expression as the micro- expression of the first supercilium.
Second detection slot setup portion 29, will be using the second record time point as the time of the second predetermined time period of starting point
Section is set as the beginning detection period.
Second comparison decibel acquisition unit 30 obtains highest beginning decibel value as second pair within the beginning detection period
Than decibel.
Comparison decibel judging part 31 judges whether the first comparison decibel and the second comparison decibel have and significantly increases feature.It should
Significantly increasing feature is the decibel value that the first comparison decibel increases 20dB or more compared with the first comparison decibel.
When the judging result for comparing decibel judging part 31 is no, adjustment control unit 14 interrupts the operation in each portion, control the
One video length acquisition unit 16 is successively run using the second video footage as the first video footage and after restarting
Each portion.
When the judging result for comparing decibel judging part 31 is to be, second micro- expression acquisition unit 32 is arrived in the second playback progress
When 0.3~0.5 second after the time point terminated up to the second preset time section, the expression of the supercilium of user is obtained as the second eyebrow
The micro- expression in portion.
It is special that supercilium comparison judging part judges whether the 33 first micro- expressions of supercilium and the micro- expression of the second supercilium there is supercilium to shrink
Sign.Especially by acquired image and carried out binary conversion treatment, canny algorithm extraction boundary, according to two eyebrow of supercilium
The distance on boundary calculate the brows spacing of two brows in the micro- expression of the second supercilium relative to it in the micro- expression of the first supercilium
In tighten degree.
Volume control section 34, if supercilium comparison judging part judging result be it is yes, the volume of controlling terminal is by volume adjustment
Ratio is turned down.
Systems control division 35 is for controlling the operation in above-mentioned each portion.
Fig. 2 is the flow chart of the method for the invention using micro- expression adjustment volume.
As shown in Fig. 2, the method 100 using micro- expression adjustment volume of the present embodiment includes the following steps:
Step 101, when monitoring playback terminal has video being played on, bring into operation this method.
Step 102, detection terminates volume peak, specifically:
Detection is carried out to the playback progress of current video and obtains the first video footage, and detects the broadcasting feelings of current video
Condition is further calculated by ending judgement ratio according to the first video footage and is obtained to obtain currently playing progress in real time
The predetermined detection time point of certain time distance is differed with the video end time；
Start successively to store by scheduled video acquisition time point when playing current video and reaching predetermined detection time point
Multiple broadcast sound volumes of current video are as concluding paragraph decibel value；
It is less than or equal to video corresponding to the broadcast sound volume of preset detection decibel value by since concluding paragraph decibel value
Acquisition time was set as the first record time point, does not meet yet at the end of currently playing progress reaches current video and above-mentioned sentences
Fixed condition, using the time point that current video terminates as the first record time point；
It is set as the ending detection period by the time section of the first predetermined time period of terminal of the first record time point；
It detects in the period at the end of, obtains highest concluding paragraph decibel value as the first comparison decibel, first pair of score
Shellfish terminates volume peak.
Step 103, the micro- expression of the first supercilium is captured, specifically:
There is the second video of broadcasting after monitoring current video；
Detection is carried out to the playback progress of the second video and obtains the second video footage, and detects the broadcasting feelings of the second video
Condition so that obtain the second playback progress in real time；
Make in the multiple broadcast sound volumes for starting successively to store current video by video acquisition time point for playing the second video
To start section decibel value；
The broadcast sound volume corresponding video acquisition time point that will be greater than detection decibel value in section decibel value from the beginning is set as
Second record time point；
When the second playback progress reached for the second record time point, the expression conduct of the supercilium of user is obtained by camera
The micro- expression of first supercilium.
Step 104, detection starts volume peak, specifically:
It is set as the beginning detection period by the time section of the second predetermined time period of starting point of the second record time point；
Within the beginning detection period, highest beginning decibel value is obtained as the second comparison decibel, the second comparison decibel
Start volume peak.
Step 105, judge whether volume has the feature dramatically increased, specially judge the first comparison decibel and second pair
Feature is significantly increased than whether decibel has.
Step 106, it when the judging result of step 105 is no, does not adjust, and terminate the fortune of each step in this method
Row, using the second video footage as the first video footage and each step for restarting step 102 and successively running later
Suddenly.
Step 107, when the judging result of step 105, which is, is, the micro- expression of the second supercilium is captured, specifically:
At 0.3~0.5 second after the second playback progress reaches the time point that the second preset time section terminates, by taking the photograph
As head obtains the expression of the supercilium of user as the micro- expression of the second supercilium.
Step 108, judge that the micro- expression of supercilium with the presence or absence of shrinkage characteristic, specially judges the micro- expression of the first supercilium and second
Whether the micro- expression of supercilium has supercilium shrinkage characteristic.
Step 109, it when the judging result of step 108 is no, does not adjust, and terminate the fortune of each step in this method
Row, using the second video footage as the first video footage and each step for restarting step 102 and successively running later
Suddenly.
Step 110, when the judging result of step 108, which is, is, volume is turned down according to user preset ratio.
Step 111, this method end of run, the second video footage as the first video footage and is restarted
Step 102 and each step successively run later.
Embodiment action and effect
According to the device provided in this embodiment using micro- expression adjustment volume, it is arranged in camera and playback unit
In playback terminal, when device enables, the volume of next video of playback terminal video being played on and switching is carried out
Acquisition judges whether the volume of front and back has apparent enhancing, to user if having by comparing the volume of two videos
Micro- expression be acquired, the image by handling micro- expression analyzes the subconscious feeling of user with this, finally completes and turns down
The movement of volume.Cause volume to be uprushed so as to avoid video switching to cause the situation of user's discomfort, can also play certain
Protect the effect of user's ear.
Judge that ratio is set according to the ending of the present embodiment, last 1 minute when being greater than 10 minutes for video length or view
Last 10% when frequency duration is not more than 10 minutes, since video seldom is terminating to be left white one minute or more, before terminating with video
One minute section as volume monitoring can satisfy the demand that system detects volume.
Significantly increase feature-set according to the present embodiment, for second comparison decibel compared with first comparison decibel increase 20dB with
On decibel value, for the broadcast sound volume of generally suitable ear intensity, the decibel increment of 20dB will cause a little discomfort of user.
It is set according to the supercilium shrinkage characteristic of the present embodiment, is supercilium of the micro- expression of the second supercilium compared with the micro- expression of the first supercilium
Spacing reduces 10% or more, and the ratio that brows spacing tightens is greater than 10% can accurately judge user under normal circumstances
The case where in the presence of frowning.
It is set according to the video acquisition time point of the present embodiment, to carry out each of one acquisition to volume every 0.1 second
The running that system occupies playback terminal to the excessive acquisition of volume sample can be effectively avoided in time point.
Above-described embodiment is only used for the specific embodiment illustrated the present invention, and the present invention is not limited to the above embodiments
Description range.
For example, the setting main body playback terminal using the device of micro- expression adjustment volume is with camera in embodiment
And the playback equipment of playback unit.But in the present invention, the playback equipment without camera can also pass through external connection
Photographic device runs the device of the present embodiment.
Claims (6)
1. a kind of device using micro- expression adjustment volume, is arranged in the playback terminal with playback unit and camera, uses
The outer playback amount of the video is adjusted when the video switching played in the playback terminal characterized by comprising
Default decibel storage unit, preset time storage unit, default volume adjustment ratio storage unit, adjustment control unit, the first video
Playback action monitoring unit, the first video length acquisition unit, ending period judging part, the first video progress test section, the first video
Volume storage unit, the first record time point configuration part, the first detection slot setup portion, the first comparison decibel acquisition unit, the second view
Frequency playback action monitoring unit, the second video length acquisition unit, the second video progress test section, the second video volume storage unit,
Two record time point configuration parts, first micro- expression acquisition unit, the second detection slot setup portion, the second comparison decibel acquisition unit, right
Judging part and volume control section are compared than decibel judging part, second micro- expression acquisition unit, supercilium,
The default decibel storage unit is stored with preset detection decibel value,
The preset time storage unit is stored with the first predetermined time period and the second predetermined time period, and described first is default
Time span and the value range of second predetermined time period between 5~10 seconds,
Default volume adjustment ratio storage unit is stored with preset volume adjustment ratio,
Wherein, the first video playing movement monitoring unit, which monitors the playback unit, current video being played on,
The adjustment control unit controls the first video length acquisition unit and detects to the playback progress of the current video
Obtain the first video footage, and control the first video progress test section detect the broadcasting situation of the current video to
Currently playing progress is obtained in real time, is further controlled the ending period judging part and is passed through according to first video footage
Ending judgement ratio calculates the predetermined detection time point for obtaining and differing certain time distance with the video end time,
The first video volume storage unit starts when the currently playing progress reaches predetermined detection time point by scheduled
Video acquisition time point successively stores multiple broadcast sound volumes of the current video as concluding paragraph decibel value,
First record time point configuration part is less than or equal to the detection decibel value since the concluding paragraph decibel value by
Broadcast sound volume corresponding to the video acquisition time point be set as the first record time point, when the currently playing progress arrives
Up to above-mentioned decision condition is not met yet at the end of current video, using the time point that the current video terminates as first note
Time point is recorded,
First detection slot setup portion, will be using the first record time point as first predetermined time period of terminal
Time section be set as ending detection the period,
The first comparison decibel acquisition unit obtains the highest concluding paragraph decibel value and makees within the ending detection period
Decibel is compared for first,
The second video playing movement monitoring unit has the second video of broadcasting after monitoring the current video,
The adjustment control unit controls the second video length acquisition unit and detects to the playback progress of second video
Obtain the second video footage, and control the second video progress test section detect the broadcasting situation of second video to
The second playback progress is obtained in real time,
The second video volume storage unit plays when starting by the video acquisition of second video in the playback unit
Between put and successively store multiple broadcast sound volumes of the current video as beginning section decibel value,
The second record time point configuration part will be greater than the broadcasting sound of the detection decibel value from the beginning section decibel value
Measuring the corresponding video acquisition time point was set as the second record time point,
First micro- expression acquisition unit passes through the camera shooting when second playback progress reached for the second record time point
Head obtains the expression of the supercilium of user as the micro- expression of the first supercilium,
Second detection slot setup portion, will be using the second record time point as second predetermined time period of starting point
Time section be set as beginning detection the period,
The second comparison decibel acquisition unit obtains the highest beginning decibel value conduct within the beginning detection period
Second comparison decibel,
The comparison decibel judging part judges that the first comparison decibel is significantly increased with whether the second comparison decibel has
Feature,
When the judging result of the comparison decibel judging part is no, the adjustment control unit interrupts the operation in each portion, controls institute
The first video length acquisition unit is stated successively to transport using the second video footage as the first video footage and after restarting
Capable each portion,
When it is described comparison decibel judging part judging result be when, second micro- expression acquisition unit described second play into
When spending 0.3~0.5 second after reaching the time point that second preset time section terminates, passes through the camera and obtain user
Supercilium expression as the micro- expression of the second supercilium,
The supercilium comparison judging part judges whether the micro- expression of the first supercilium and the micro- expression of the second supercilium have supercilium
Shrinkage characteristic,
The volume control section, if the supercilium comparison judging part judging result be it is yes, control the volume of the terminal by institute
Volume adjustment ratio is stated to turn down.
2. according to claim 1, it is characterised in that:
Wherein, it is described ending judgement ratio with video length be greater than 10 minutes when last 1 minute or video length be not more than 10
Last 10% when minute is used as video trailer duration.
3. according to claim 1, it is characterised in that:
Wherein, the feature that significantly increases is that the second comparison decibel the first comparison decibel increases 20dB's or more
Decibel value.
4. according to claim 1, it is characterised in that:
Wherein, the supercilium shrinkage characteristic is that the supercilium spacing of the micro- expression of the second supercilium micro- expression of the first supercilium contracts
It is small by 10% or more.
5. according to claim 1, it is characterised in that:
Wherein, the video acquisition time point is the various time points for carrying out one acquisition to volume every 0.1 second.
6. a kind of method using micro- expression adjustment volume, is arranged in the playback terminal with playback unit and camera, uses
The outer playback amount of the video is adjusted when the video switching played in the playback terminal, which is characterized in that including
Following steps:
Step S1, monitoring the playback unit has current video being played on；
Step S2 carries out detection to the playback progress of the current video and obtains the first video footage, and detects described current
The broadcasting situation of video further passes through ending according to first video footage to obtain currently playing progress in real time
Judgement ratio calculates the predetermined detection time point for obtaining and differing certain time distance with the video end time；
Step S3, start when playing the current video and reaching predetermined detection time point by scheduled video acquisition time point according to
Multiple broadcast sound volumes of the secondary storage current video are as concluding paragraph decibel value；
Step S4 is less than or equal to corresponding to the preset broadcast sound volume for detecting decibel value since the concluding paragraph decibel value by
The video acquisition time point be set as the first record time point, at the end of the currently playing progress reaches current video
Above-mentioned decision condition is not met yet, using the time point that the current video terminates as the first record time point；
Step S5 is set as ending inspection using the first record time point as the time section of the first predetermined time period of terminal
Survey the period；
Step S6 obtains the highest concluding paragraph decibel value as the first comparison decibel within the ending detection period；
Step S7 has the second video of broadcasting after monitoring the current video；
Step S8 carries out detection to the playback progress of second video and obtains the second video footage, and detects described second
The broadcasting situation of video so that obtain the second playback progress in real time；
Step S9, play second video start successively store the current video by the video acquisition time point
Multiple broadcast sound volumes are as beginning section decibel value；
Step S10 will be greater than the corresponding video of broadcast sound volume of the detection decibel value from the beginning section decibel value
Acquisition time was set as the second record time point；
Step S11 obtains the eyebrow of user by the camera when second playback progress reached for the second record time point
The expression in portion is as the micro- expression of the first supercilium；
Step S12 is set as starting using the second record time point as the time section of the second predetermined time period of starting point
Detect the period；
Step S13 obtains the highest beginning decibel value as the second comparison decibel within the beginning detection period；
Step S14 judges whether the first comparison decibel and the second comparison decibel have and significantly increases feature；
Step S15 interrupts the operation of each step when the judgment result is no, and the second video footage is total as the first video
Length simultaneously restarts step S2 and each step successively run later；
Step S16 reaches what second preset time section terminated in second playback progress when the judgment result is yes
When 0.3~0.5 second after time point, the expression of the supercilium of user is obtained as the micro- expression of the second supercilium by the camera；
Step S17, judges whether the micro- expression of the first supercilium and the micro- expression of the second supercilium have supercilium shrinkage characteristic；
Step S18, if the determination result is YES, the then volume for controlling the terminal are turned down in preset volume adjustment ratio.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810946430.0A CN108966002B (en) | 2018-08-20 | 2018-08-20 | Device and method for adjusting volume by using micro expression |
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