CN109275024A - The devices and methods therefor of multimedia equipment is controlled by audio signal - Google Patents
The devices and methods therefor of multimedia equipment is controlled by audio signal Download PDFInfo
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- CN109275024A CN109275024A CN201811070894.6A CN201811070894A CN109275024A CN 109275024 A CN109275024 A CN 109275024A CN 201811070894 A CN201811070894 A CN 201811070894A CN 109275024 A CN109275024 A CN 109275024A
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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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention relates to a kind of devices and methods therefors that multimedia equipment is controlled by audio signal, belong to multimedia control field.The technical solution adopted by the present invention is that: the shadow video work station including being stored with multimedia video；Including multiple groups multimedia display screen；Including audio-frequency signal processing module；The motion control signal that audio-frequency signal processing module is sent is received including PLC, PLC.The advantage of the invention is that, using multimedia video sound intermediate frequency signal as control signal, the quick editor for realizing the control signal in video replacement, reduces the cooperative equipment between video playing and kinetic control system, and movement and the picture synchronization control for realizing this department Related product are consistent.
Description
Technical field
The present invention relates to a kind of devices and methods therefors that multimedia equipment is controlled by audio signal, belong to multimedia control
Field.
Background technique
Intelligent rotating display screen is that LED display is divided into several squares (sub- screen), is driven by multiple electric motors are corresponding
Rotation, lifting, the bumps ... of display screen wait deformed movements, to promote pedestrian to the viewing probability of LED display content and sight
It sees the time, promotes advertisement delivery effect.
When display screen is divided into many platforms " sub- screen " by motor driven by " whole screen ", the video pictures of whole screen will be divided
Cut, at this point, due to the mode for the motion structure movement for driving LED display show, speed and the period of motion need and screen or
Audio content is corresponded to, and then needs effectively to control the control motor of each motion structure.But every driving electricity
The driving of machine mode corresponding with video content is complex, is unfavorable for the regular replacement video content of intelligent rotating display screen,
The quantity and period launched for advertisement impact.Lack at present suitable control system to video content and movement mechanism into
The reasonable setting of row, to improve video ad content in replacement to the manufacturing speed of the new control signal of control movement mechanism.
Summary of the invention
The present invention provides a kind of devices and methods therefor that multimedia equipment is controlled by audio signal, solves that there is movement to become
The motor control problems of the Multimedia Advertisement Machine of function are changed, the replacement of signal is controlled when realizing more efficient advertisement replacing.
To achieve the above object, the technical solution adopted by the present invention is that:
The device of multimedia equipment is controlled by audio signal,
Shadow video work station including being stored with multimedia video, the shadow video work station output audio signal and multiple groups video letter
Number, audio signal and vision signal are synchronism output, and audio signal contains motion control signal；
Including multiple groups multimedia display screen, multimedia display screen receives the multiple groups vision signal of shadow video work station transmission and plays
The video content, the video content broadcasted on every group of multimedia display screen be it is identical, individually or the video content of segmentation, more than every group
Media display is separately positioned in different actuating mechanisms, and actuating mechanism drives multimedia display screen mobile and/or rotation；
Including audio-frequency signal processing module, audio-frequency signal processing module receives the audio signal of shadow video work station output, and will
The audio signal exports motion control signal after being handled；
The motion control signal that audio-frequency signal processing module is sent, PLC output access multiple groups driving electricity are received including PLC, PLC
Machine, driving motor drive actuating mechanism movement, and motion control signal contains multiple signals and is respectively used to control different driving electricity
Machine.
Preferably, the motion control signal in image and audio signal that every group of multimedia display screen is shown is being broadcast
Put corresponding on time and period of change, when every group of multimedia display screen shows same combined picture, motion control signal is
Control each actuating mechanism and drive each multimedia display screen composition whole picture display screen, each multimedia display screen do not occur relative movement or
Rotation；When every group of multimedia display screen shows respective independent picture, motion control signal is to control each actuating mechanism to drive
Each multimedia display screen group is mobile and/or relative movement and/or rotation or quiet occur for rotation or static, each multimedia display screen
Only.
Preferably, shadow video work station contains control display terminal, input interface, operating device, input interface will contain
Have in the multimedia video of image and audio content input shadow video work station, operating device controls in multimedia video frequency file
Add motion control signal.
Preferably, the audio signal contains more rail audio contents, wherein including an at least rail audio content, at least wrap
Containing a rail pulse signal, the audio-frequency signal processing module using audio signal sound intermediate frequency information filtering fall to leave pulse signal as
Motion control signal.
Preferably, PLC output control driving motor, driving motor drive actuating mechanism to complete mobile, rotation, stop,
And realize that the period of motion recycles, period of motion circulation is that the motor contained in motion control signal rotates time started, rotation
Speed, dwell time.
Preferably, the picture material that multimedia display screen plays is corresponding with the period of motion of actuating mechanism circulation, movement
Picture material starts to change in each multimedia display screen when starting to work for mechanism, and actuating mechanism stops in then each multimedia display screen
Middle picture continuously forms complete picture material.
The method for carrying out audio signal control multimedia equipment using above-mentioned apparatus, includes the following steps,
1), shadow video work station plays multimedia video, and wherein video content is sent in multimedia display screen and shows, audio letter
Number audio track be sent to stereo set broadcasting, the control signal tracks of audio signal are sent to audio-frequency signal processing module, frequency
Signal processing module handles audio signal, and treated, and signal is motion control signal, which is passed
It send to PLC；
2), PLC control driving motor operating, PLC receive audio-frequency signal processing module transmission motion control signal, PLC according to
The operating of motion control signal content-control driving motor, the content of control include at the beginning of driving motor rotates, rotate speed
Degree and dwell time；
3), the movement of movement mechanism, the movement for the multimedia display screen that driving motor drives movement mechanism to realize on movement mechanism,
The mode of movement mechanism movement is that the movement and/or rotation of multimedia display screen are realized based on a prismatic pair or revolute pair；
4), the video playing of multimedia display screen starts to play video content when shadow video work station exports vision signal, often
A multimedia display screen plays single independent video mutually, and movement mechanism drives multimedia display screen mobile or rotation, each
When the content that multimedia display screen is shown forms single whole video content, movement mechanism drives each multimedia display screen to piece together
Complete big picture display screen.
It is further that preferably pulse signal is added in audio signal, in shadow video work station by multimedia video content into
Row partial picture cutting, the multiple tracks of audio setting in multimedia video, wherein at least one audio track, at least one control
Pulse signal is added in control signal tracks in signal tracks, and the pulse signal is corresponding with the period of multimedia video cutting, will
The multimedia video of above-mentioned addition pulse signal is stored in shadow video work station.
It is an advantage of the current invention that realizing and being replaced in video using multimedia video sound intermediate frequency signal as control signal
When control signal quick editor, reduce the cooperative equipment between video playing and kinetic control system, realize this department phase
Movement and the picture synchronization control for closing product are consistent；
The use of equipment is simple, facilitates the control of elementary skill personnel to use, reduces operating cost.
Specific embodiment
The present invention is a kind of for controlling the control of the intelligent rotating display screen with motor function, specifically includes Hardware Subdivision
Point and software section.
Hardware components mechanism includes being stored with the shadow video work station of multimedia video, and shadow video work station is generally arranged at
It is the control device of intelligent rotating display screen in intelligent rotating display screen.The shadow video work station is conventional PC host,
With video file importing, video storage and audio-video output function, it is additionally provided with display, input keyboard, mouse auxiliary operation
Terminal.
The shadow video work station output audio signal and multiple groups vision signal, audio signal and vision signal are synchronous defeated
Out, audio signal contains motion control signal.
It further include multiple groups multimedia display screen, multimedia display screen receives the multiple groups vision signal of shadow video work station transmission
And the video content is played, the video content broadcasted on every group of multimedia display screen is identical, independent or segmentation video content,
Every group of multimedia display screen is separately positioned in different actuating mechanisms, actuating mechanism drive multimedia display screen mobile and/or
Rotation；
It further include audio-frequency signal processing module, audio-frequency signal processing module receives the audio signal of shadow video work station output, and
Motion control signal is exported after the audio signal is handled.The processing module can be specialized hardware voice band filter,
It can be the software being arranged in shadow video work station.The requirement of processing is preset in software, and the audio signal handled well is defeated
Out into PLC.
It further include PLC, PLC receives the motion control signal that audio-frequency signal processing module is sent, and PLC output access multiple groups are driven
Dynamic motor, driving motor drive actuating mechanism movement, and motion control signal contains multiple signals and is respectively used to control different drives
Dynamic motor.
The motion control signal in image and audio signal that every group of multimedia display screen is shown is in play time and variation
Corresponding on period, when every group of multimedia display screen shows same combined picture, motion control signal is to control each movement machine
Structure drives each multimedia display screen to form whole picture display screen, and each multimedia display screen does not occur to relatively move or rotate；At every group
When multimedia display screen shows respective independent picture, motion control signal is to control each actuating mechanism to drive each multimedia display
Screen group is mobile and/or relative movement and/or rotation or static occur for rotation or static, each multimedia display screen.
Shadow video work station contains control display terminal, input interface, operating device, and input interface will contain image and sound
In the multimedia video input shadow video work station of frequency content, operating device control addition movement control in multimedia video frequency file
Signal processed.
The audio signal contains more rail audio contents, wherein including an at least rail audio content, includes at least a rail arteries and veins
Signal is rushed, audio signal sound intermediate frequency information filtering is fallen to leave pulse signal as motion control by the audio-frequency signal processing module
Signal.
PLC output control driving motor, driving motor drives actuating mechanism to complete mobile, rotation, stop, and realizes movement
Loop cycle, when period of motion circulation is that the motor contained in motion control signal rotates time started, velocity of rotation, stops
Between.
The picture material that multimedia display screen plays is corresponding with the period of motion of actuating mechanism circulation, and actuating mechanism starts work
Picture material starts to change in each multimedia display screen when making, and it is continuous that actuating mechanism stops middle picture in then each multimedia display screen
Form complete picture material.
The method that audio signal controls multimedia equipment is carried out using the device for controlling multimedia equipment by audio signal,
Include the following steps, pulse signal is added in audio signal, and multimedia video content is carried out local picture in shadow video work station
Face cutting, the multiple tracks of audio setting in multimedia video, wherein at least one audio track, at least one control signal tracks,
Pulse signal is added in control signal tracks, the pulse signal is corresponding with the period of multimedia video cutting, adds above-mentioned
The multimedia video for entering pulse signal is stored in shadow video work station.
The process step of control are as follows:
1), shadow video work station plays multimedia video, and wherein video content is sent in multimedia display screen and shows, audio letter
Number audio track be sent to stereo set broadcasting, the control signal tracks of audio signal are sent to audio-frequency signal processing module, frequency
Signal processing module handles audio signal, and treated, and signal is motion control signal, which is passed
It send to PLC；
2), PLC control driving motor operating, PLC receive audio-frequency signal processing module transmission motion control signal, PLC according to
The operating of motion control signal content-control driving motor, the content of control include at the beginning of driving motor rotates, rotate speed
Degree and dwell time；
3), the movement of movement mechanism, the movement for the multimedia display screen that driving motor drives movement mechanism to realize on movement mechanism,
The mode of movement mechanism movement is that the movement and/or rotation of multimedia display screen are realized based on a prismatic pair or revolute pair；
4), the video playing of multimedia display screen starts to play video content when shadow video work station exports vision signal, often
A multimedia display screen plays single independent video mutually, and movement mechanism drives multimedia display screen mobile or rotation, each
When the content that multimedia display screen is shown forms single whole video content, movement mechanism drives each multimedia display screen to piece together
Complete big picture display screen.
All multimedia display screens are combined into complete width video pictures in the early stage, and as whole screen is shown.Video is broadcast
After putting certain time length, the control signal tracks in audio signal issue a pulse signal, which controls after PLC is exported
Driving motor operating processed, driving motor drive movement mechanism movement, and the multimedia display screen on movement mechanism separates, and complete one
Width video pictures are divided into multiple " sub- screen " contents.During each multimedia display screen disengaging movement, the fortune in audio signal
Dynamic control signal persistently controls driving motor operating, the motion control signal when video pictures close to an end, in audio signal
Control driving motor drives movement mechanism operating by multimedia display screen close to forming complete width video pictures again.By
After a certain period of time, the above-mentioned multimedia county video separation signal of signal is issued again play same multimedia video to move in circles
Frequently.Or different videos is interrupted broadcasting.
When the present apparatus is using video editing, some node of audio signal during video display (such as two
The beginning of a advertising segment) one section of pulse signal of configuration, the pulse signal is when shadow video work station plays the video towards sound
The signal processing is to do exercises to control signal by audio signalprocessing module, audio-frequency signal processing module, Audio Signal Processing mould
Block processing principle be lasting audio signal during the electronics such as resistance capacitance after when filter out audio content, leave behind pulse letter
Number as motion control signal export, the motion impulse signal include PLC export it is a certain starting motor signal time and continue
Period.
Audio signal is added motion control signal and carries out in the computer equipped with EDIUS, can also be in the video display of the present apparatus
In frequency work station.
The embodiment process of signal is added are as follows:
1) start EDIUS software, establish project file
2) Video(video is set) one, track,
3) Audio (audio) 2, track is set, establishes stereo, respectively A1 rail and A2 rail,
4) pulse signal (one second) is pulled in right channel,
5) pulse signal is placed by the time sequence of programming,
6) compacting output audio-video document,
7) L channel exports common power amplifier, and right channel is output in control module, and motion control is added in completion in audio signal
Signal.
Claims (8)
1. a kind of device for controlling multimedia equipment by audio signal, characterized in that
Shadow video work station including being stored with multimedia video, the shadow video work station output audio signal, audio signal and
Vision signal is synchronism output, and audio signal contains motion control signal；
Including multiple groups multimedia display screen, multimedia display screen receives the vision signal of shadow video work station transmission and plays the view
Frequency content, the video content broadcasted on every group of multimedia display screen are identical, individually or the video content of segmentation, every group of multimedia
Display screen is separately positioned in different actuating mechanisms, and actuating mechanism drives multimedia display screen mobile and/or rotation；
Including audio-frequency signal processing module, audio-frequency signal processing module receives the audio signal of shadow video work station output, and will
The audio signal exports motion control signal after being handled；
Including PLC, the motion control signal that PLC reception audio-frequency signal processing module is sent, output driving motor after PLC programming,
Driving motor drives actuating mechanism movement, and motion control signal contains signal all the way, outputting multiplex signals point after being programmed by PLC
Different driving motors Yong Yu not controlled.
2. the device according to claim 1 for controlling multimedia equipment by audio signal, characterized in that described more than every group
The image that media display is shown is corresponding in play time and period of change with the motion control signal in audio signal,
When every group of multimedia display screen shows same combined picture, motion control signal is to control each actuating mechanism to drive each multimedia aobvious
Display screen forms whole picture display screen, and each multimedia display screen does not occur to relatively move or rotate；It is shown in every group of multimedia display screen
When respective independent picture, motion control signal is to control each actuating mechanism to drive each multimedia display screen group mobile and/or turn
Dynamic or static, relative movement and/or rotation or static occur for each multimedia display screen.
3. the device according to claim 1 for controlling multimedia equipment by audio signal, characterized in that video display frequency works
It stands containing control display terminal, input interface, operating device, input interface is by the multimedia video containing image and audio content
It inputs in shadow video work station, operating device control adds motion control signal in multimedia video frequency file.
4. the device according to claim 1 for controlling multimedia equipment by audio signal, characterized in that the audio letter
Number contain more rail audio contents, wherein include an at least rail audio content, include at least a rail pulse signal, the audio signal
Audio signal sound intermediate frequency information filtering is fallen to leave pulse signal as motion control signal by processing module.
5. the device according to claim 1 for controlling multimedia equipment by audio signal, characterized in that PLC output control
Driving motor processed, driving motor drives actuating mechanism to complete mobile, rotation, stop, and realizes that the period of motion recycles, movement week
Phase circulation is that the motor contained in motion control signal rotates time started, velocity of rotation, dwell time.
6. the device according to claim 5 for controlling multimedia equipment by audio signal, characterized in that multimedia display
It is corresponding with the period of motion of actuating mechanism circulation to shield the picture material played, actuating mechanism each multimedia display screen when starting to work
Middle picture material starts to change, and actuating mechanism stops middle picture in then each multimedia display screen and continuously forms in complete image
Hold.
7. a kind of method for carrying out audio signal control multimedia equipment using any device of claim 1-6, special
Sign is to include the following steps,
2), shadow video work station plays multimedia video, and wherein video content is sent in multimedia display screen and shows, audio letter
Number audio track be sent to stereo set broadcasting, the control signal tracks of audio signal are sent to audio-frequency signal processing module, frequency
Signal processing module handles audio signal, and treated, and signal is motion control signal, which is passed
It send to PLC；
3), PLC control driving motor operating, PLC receive audio-frequency signal processing module transmission motion control signal, PLC according to
The operating of motion control signal content-control driving motor, the content of control include at the beginning of driving motor rotates, rotate speed
Degree and dwell time；
4), the movement of movement mechanism, the movement for the multimedia display screen that driving motor drives movement mechanism to realize on movement mechanism,
The mode of movement mechanism movement is that the movement and/or rotation of multimedia display screen are realized based on a prismatic pair or revolute pair；
5), the video playing of multimedia display screen starts to play video content when shadow video work station exports vision signal, often
A multimedia display screen plays single independent video mutually, and movement mechanism drives multimedia display screen mobile or rotation, each
When the content that multimedia display screen is shown forms single whole video content, movement mechanism drives each multimedia display screen to piece together
Complete big picture display screen.
8. the method for audio signal control multimedia equipment according to claim 7, characterized in that arteries and veins is added in audio signal
Signal is rushed, multimedia video content is subjected to partial picture cutting in shadow video work station, the audio in multimedia video is set
Multiple tracks, wherein at least one audio track are set, pulse signal is added in control signal tracks at least one control signal tracks,
The pulse signal is corresponding with the period of multimedia video cutting, and the multimedia video of above-mentioned addition pulse signal is stored in
In shadow video work station.
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| CN106409144A (en) * | 2016-12-07 | 2017-02-15 | 洪海光电集团有限公司 | Changeable rotating screen |
| CN106782109A (en) * | 2016-12-07 | 2017-05-31 | 洪海光电集团有限公司 | Lifting rotation display screen |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9437247B2 (en) * | 2011-11-14 | 2016-09-06 | Apple Inc. | Preview display for multi-camera media clips |
| CN104660916A (en) * | 2013-11-18 | 2015-05-27 | 杭州海康威视数字技术股份有限公司 | Screen splicing system and processing method of video data streams |
| CN104506917A (en) * | 2014-12-26 | 2015-04-08 | 上海智物信息技术有限公司 | Method and system for controlling movement of display screen |
| CN106409144A (en) * | 2016-12-07 | 2017-02-15 | 洪海光电集团有限公司 | Changeable rotating screen |
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