Electromagnetic excitation energy converter and laser projection optics sound equipment screen and its simultaneous displayMethodTechnical field
Embodiments of the present invention are related to imaging display techniques, technical field of acoustics, more specifically, the embodiment party of the present inventionFormula is related to electromagnetic excitation energy converter and laser projection optics sound equipment screen and its synchronous display method.
Background technology
Conventional display device is only able to display image, cannot make a sound, thus loud speaker be in modern audiovisual system it is most basic,One of most important component part, quality and moulding directly affect the user experience of audiovisual system.Modern flat-panel display deviceThinner moulding, larger size, more realistic acoustic field are pursued, this fashion trend makes conventional loudspeakers have no place to shelter, at present audiovisual systemThe solution of system is mostly to raise one's voice with the Ultrathin tabular loudspeaker group or external SoundBar or external multichannels of display oneDevice system or sound quality is poor or occupied space and wiring it is in disorder, user is unable to get solution using pain spot.
Laser display is a kind of innovation display technology risen after classic flat-plate display technology, has wide colour gamut, lengthService life, high image quality easily realize that large-size screen monitors such as show, is environmentally friendly, energy saving at the technical advantages.Product form is ultrashort burnt laser projection matchingHigh-quality environment resistant light optical film screen as made of Fresnel film, black grid film, microlens array film etc., moulding can be in lightComposite ganoine rigid back after film, reassembles moulding frame etc. and hard screen is made；Or by spring, velcro,The suspension of optics curtain is tensioned on frame supporting rack by the modes such as elastic strip, reassembles moulding frame etc. and flexible screen is made.
The acoustic solutions of laser display system are that speaker system, occupied space is arranged except screen showing at presentAnd wiring is in disorder, use is extremely inconvenient, and product standard size is 16：9,100 ", horizontal direction display area size is2.21 meters, be much larger than classic flat-plate TV, match external multi-channel speaker system using when have obvious sound with displayPicture detaches and asynchrony phenomenon, serious to affect audiovisual experience.There is an urgent need for study completely new display screen-sound equipment one thusSystem solves the problems such as the box sound equipment group volume of tradition is big, prompt, display picture inconvenient for use is detached with sound, to promoteLaser display industry development provides strong support.
Invention content
It is a kind of using hard or flexible laser projection optics screen as the display of sounding component the purpose of the present invention is studyingSounding integrated system, pushing screen or auxiliary pronunciation board to be allowed to vibration with specific electromagnetic excitation energy converter, to form acoustics defeatedGo out, be also provided with bass, middle pitch, high pitch reinforcement unit, the excellent of full frequency band can be covered by being played out by power amplifier and frequency divider processingU.S. sound quality；Sound-picture synchronization technology is also reached by specific algorithm and software processing.The program makes screen vibrational excitation send outIt can control its Oscillation Amplitude to make vision invisible again while sound, ensure and show that picture is not disturbed, formation can show excellentMatter picture and the laser projection optics sound equipment screen system scheme that can play interesting to listen to sound solve the box sound equipment group volume of traditionGreatly, prompt, display picture inconvenient for use such as detaches at the problems with sound, meets user's audiovisual experience demand.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme：
Electromagnetic excitation energy converter, it includes metallic casing, magnetic rings/piece, excitation coil, elastic spring, push armThere is cavity, the magnetic rings/piece to adhere well in metallic casing for holder, the metallic casing, the excitation coilIt is fixed on the surface of elastic spring and is included in metallic casing cavity, then elastic spring and metallic casing are connected and fixed,The surface geometry center of the push arm holder and elastic spring connects；The excitation coil passes through input terminal and external input electricitySignal connects.
Further technical solution is：Metallic casing material is low/medium/high-carbon steel, alloy or plastic cement-metal compositeBody, shape are " recessed " type or " one " type.
Further technical solution is：The overall weight of the electromagnetic excitation energy converter is required not less than same contactThe equivalent weight of the laser projection display screen of area.
Meanwhile the present invention also provides hard laser projection optics sound equipment screens, it includes electromagnetic excitation energy as described aboveEnergy converter and laser display screen, hard rigid backboard, resilient suspension system and screen suspension holdfast；The electromagnetic excitationThe push arm bracket end of energy converter is closely bonded with hard rigid backboard, after inputting electric signal, electromagnetic excitation energy converterHard rigid backboard, the generation physical displacement of drive and deformation are pushed, sound output is formed；The electromagnetic excitation energy converterMetal shell end closely bonded with screen suspension holdfast；Pass through elasticity between the laser display screen and screen suspension holdfastSuspension connects, and supports and fixed laser shows that screen makes it the free vibration in certain amplitude.
Further technical solution is；The resilient suspension system is designed as high damping shock absorption structure, with elastomer orElastic spring group is made.
Further technical solution is；The electromagnetic excitation energy converter group is symmetrical on laser display screen,Its distance away from screen edge is the 1/6-1/3 of the screen length of side.
In addition, the present invention also provides flexible laser projection optics sound equipment screen, including electromagnetic excitation energy as described aboveConverter and laser display screen, resilient suspension system, screen suspension holdfast and auxiliary pronunciation board；
It is connected by resilient suspension system between the laser display screen and screen suspension holdfast, supports simultaneously fixed laserDisplay screen makes it the free vibration in certain amplitude；
The push arm bracket end of the electromagnetic excitation energy converter is closely bonded with auxiliary pronunciation board, is assisted pronunciation board and is swashedLight shows that screen back side bonding, metal shell end and the screen suspension holdfast of the electromagnetic excitation energy converter closely bond,
Alternatively, auxiliary pronunciation board is closely bonded with screen suspension holdfast；Outside the metal of the electromagnetic excitation energy converterShell end is Nian Jie with the laser display screen back side；
After the electromagnetic excitation energy converter is combined with auxiliary pronunciation board, then combined with laser display screen flexible,Electric signal is inputted, electromagnetic excitation energy converter pushes auxiliary pronunciation board, the generation physical displacement of drive and deformation, forms soundOutput.
Further technical solution is：The resilient suspension system is designed as high damping shock absorption structure, with elastomer orElastic spring group is made.
Further technical solution is：The electromagnetic excitation energy converter group is symmetrical on laser display screen,Its distance away from screen edge is the 1/6-1/3 of the screen length of side.
Finally, the method that the present invention provides laser display optics sound equipment screen sound picture simultaneous display, it includes as weighedProfit requires the hard laser projection optics sound equipment screen described in 4 or flexible laser projection optics sound as claimed in claim 7Screen is rung,
The most lower left corner of the laser display screen is set as origin, shows picture overall width A, when a certain position of display pictureSound is equipped with to send out or object of which movement, rapid computations determine its horizontal direction coordinate X, when in X/A=0-1/2 ± x, outputControl makes the phonation unit away from nearest neighbours i.e. left-most cell work and other do not work；When in X/A=1/2-2/2 ± x,Output control makes the phonation unit away from nearest neighbours i.e. right cell work and other do not work；When in X/A=1/2 ± x,Output control makes the right and left unit work at the same time, wherein x is according to the adjusted value for needing to be arranged.
Compared with prior art, the present invention having advantageous effect below：How primary study is by converting electrical energy intoMechanical energy pushes projection screen or pronunciation board is assisted to be allowed to the new way that vibration makes a sound and solves to existing conventional loudspeakersThe user of part uses pain spot, and excitation generation, high tone quality and sound-picture synchronization technology of sound, exhibition are realized using new wayExisting high-quality picture and the laser projection optics sound equipment screen system scheme that can play interesting to listen to sound, meet user's audiovisual experience needIt asks, the fusion for being related to electroacoustics, mechanics, mounting technology, ergonomics etc. knowledge uses.
The present invention is using hard or flexible laser projection optics screen as the display sounding integrated system of sounding component, with spyFixed electromagnetic excitation energy converter pushes screen or auxiliary pronunciation board to be allowed to vibration and forms acoustic output, passes through the low of settingSound, middle pitch, high pitch reinforcement unit and power amplifier and frequency divider processing play out the graceful sound quality that can cover full frequency band；Also by specificAlgorithm and software processing reach sound-picture synchronization technology.The program makes to can control again while screen vibrational excitation soundingIts Oscillation Amplitude makes vision invisible, ensures and shows that picture is not disturbed, and formation can show high-quality picture but also play dynamicThe laser projection optics sound equipment screen system scheme of listening, meets user's audiovisual experience demand.
Description of the drawings
Fig. 1 is one electromagnetic excitation energy converter structural schematic diagram of the embodiment of the present invention；
Fig. 2 is two hard laser projection optics sound equipment screen diagrams of the embodiment of the present invention；
Fig. 3 (a), Fig. 3 (b) are three flexible laser projection optics sound equipment screen diagrams of the embodiment of the present invention；
Fig. 4 interferes with each other situation schematic diagram when being multiple electromagnetic excitation energy converter work in combination.
Fig. 5 is four laser display optics sound equipment screen high tone quality scenario-frame schematic diagram of the embodiment of the present invention；
Fig. 6 is five laser display optics sound equipment screen high tone quality scenario-frame schematic diagram of the embodiment of the present invention；
Fig. 7 is the principle schematic of conventional laser Projection Display sound；
Fig. 8 is that the principle of six laser display optics sound equipment screen sound picture synchronous display method of the embodiment of the present invention is illustratedFigure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present inventionIt is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used toLimit the present invention.
Embodiment one
As shown in Figure 1, electromagnetic excitation energy converter, by metallic casing 1, ferromagnetism ring/piece 2, excitation coil 3, bulletProperty reed 4, push arm holder 5 constitute, wherein ferromagnetism ring/piece 2 adhere well in metallic casing 1, excitation coil 3, elasticityThe modes such as reed 4 and the splicing of push arm holder 5, riveting, screw combine, then are connect admittedly with metallic casing 1 by elastic spring 4It is fixed.
Specifically, which is a kind of specific device for converting electrical energy into mechanical energy, with this turnParallel operation pushes screen or auxiliary pronunciation board to be allowed to vibrate, each screen or auxiliary pronunciation board infinitesimal give off microcosmic mixed and disorderlyThe unrelated signal that irregular frequency is identical, amplitude is different with phase forms acoustic output.Its structure by metallic casing,Ferromagnetism ring/piece, excitation coil, elastic spring, push arm holder are constituted, and specific frequency is loaded by the input terminal of excitation coilElectric signal, under the collective effect of high-intensity magnetic field and electric signal, excitation coil, elastic spring can occur with combining for push arm holderLinear reciprocal movement.
1. converter overall weight requires the equivalent weight of the laser projection display screen not less than same contact area, can becomeIt is bordering on infinity；
2. metallic casing material is low/medium/high-carbon steel, alloy or plastic cement-composite metal, shape is designed as " recessed " typeOr " one " type；
3. ferromagnetism ring/piece is that samarium cobalt magnet, ferrite lattice, ndfeb magnet, aluminium-nickel-cobalt magnetic are iron, it adhere well toIn metallic casing；
4. excitation coil is the closo enameled conducting wire circle of paper roll, resin plate volume, metallic coil, by input terminal and outsidePortion's input electrical signal connection；
5. elastic spring is elastic metallic, elastic resin piece or combinations thereof body, there is enough rigidity and amount of deflection, receivingIt can respond rapidly to when the push/pull power of driver, can equally be responded rapidly to when stress size, direction change；
6. excitation coil is fixed on the surface of elastic spring and is included in metallic casing cavity, then by elastic spring with goldBelong to cage connection processed to fix, push arm holder is coupled with the surface geometry center of elastic spring finally, each list of assembly need to be madeFirst center of gravity is kept on the same line as possible；
7. according to the form of laser display screen product, the thickness of the converter is designed as≤and 30mm to be to realize total systemUltrathin.
Embodiment two
As shown in Fig. 2, hard laser projection optics sound equipment screen, by laser display screen 6, hard rigid backboard 7, electromagnetismExcitation energy converter 8, resilient suspension system 9 and screen suspension holdfast 10 are constituted, wherein laser display screen 6 and hard rigidBackboard 7 is close compound, and one end of electromagnetic excitation energy converter 8 is connect with hard rigid backboard 7, the other end and screen suspension branchFrame 10 connects.
Specifically, using the hard laser projection optics sound equipment screen of electromagnetic excitation energy converter sounding, electromagnetism is swashedEnergy converter and the firm combination of hard rigid backboard are encouraged, after inputting electric signal, electromagnetic excitation energy converter pushes hard rigidProperty backboard, the generation physical displacement of drive and deformation form sound output.
It is hollow aluminium honeycomb core aluminium sheet, or the aluminium-plastic panel of filling plastic material 1. rigid back is sandwich shape plank；
2. using low resistance adhesive tape or glue that electromagnetic excitation energy converter push arm bracket end and hard rigid backboard is tightClose bonding is closely bonded at the metal shell end of electromagnetic excitation energy converter with screen suspension holdfast using high-damping adhesive tape,Screw/tightening of rivet when necessary；
3. being connected by resilient suspension system between laser display screen and screen suspension holdfast, supporting and fixing display screenCurtain make it in certain amplitude can free vibration, resilient suspension system is designed as high damping shock absorption structure, with elastomer orElastic spring group is made, and can be isolated, decay the mechanical oscillation being transmitted to except screen, elimination system resonance and noise；
4. determining electromagnetic excitation energy converter in the distributing position of screen cover using model analysis and the method for exhaustion, electromagnetism swashsIt is symmetrical that energy converter group, which is encouraged, in screen cover, and the distance away from screen edge is the 1/6~1/3 of the screen length of side to bePreferably, make not interfere with each other to each other when work, at the same again can not hypertelorism cause sound to be detached with display picture, it is rational to adjustWhole transducer position enable each sound channel clearly recognize and multigroup driver work together when pronunciation center be located on screen central axes；
5. appropriate power match makes electromagnetic excitation energy converter act on sub-screen in vertical axes displacement in the lateral directionIt need to control not less than 1/4 visible wavelength, each sub- displacement stroke recovery time is not more than 0.1 second, is shaken using the elimination of sunset glow effectSubjective impact of the dynamic sounding to display picture.
Embodiment three
As shown in figure 3, flexible laser projection optics sound equipment screen, by laser display screen 6, electromagnetic excitation energy converter8, resilient suspension system 9, screen suspension holdfast 10, auxiliary pronunciation board 11 are constituted, wherein electromagnetic excitation energy converter 8 and auxiliaryAfter pronunciation board 11 is combined into entirety, whole one end is connect with laser display screen 6, and the other end connects with screen suspension holdfast 10It connects.Specifically, as shown in Fig. 3 (a), push arm bracket end and the auxiliary pronunciation board of the electromagnetic excitation energy converter closely glueIt connects, auxiliary pronunciation board is Nian Jie with the laser display screen back side, the metal shell end of the electromagnetic excitation energy converter and screenSuspension holdfast closely bonds, alternatively, as shown in Fig. 3 (b), push arm bracket end and the auxiliary of the electromagnetic excitation energy converter are sent outSoundboard closely bonds, and auxiliary pronunciation board is closely bonded with screen suspension holdfast；Outside the metal of the electromagnetic excitation energy converterShell end is Nian Jie with the laser display screen back side.
Specifically, a kind of flexible laser projection optics sound equipment screen using electromagnetic excitation energy converter sounding, will be electricMagnetic pumping energy converter and the firm combination of auxiliary pronunciation board, then combined with flexible laser projection screen, after inputting electric signal, electricityMagnetic pumping energy converter pushes auxiliary pronunciation board, the generation physical displacement of drive and deformation, forms sound output.
It is hollow aluminium honeycomb core aluminium sheet or aluminium honeycomb core cardboard, or filling modeling 1. auxiliary pronunciation board is sandwich shape plankThe aluminium-plastic panel of property material；
2. can directly be made a sound using auxiliary pronunciation board, using low resistance adhesive tape or glue by converter push arm holderEnd is closely bonded with auxiliary pronunciation board, and auxiliary pronunciation board edge passes through high resiliency flexible material such as rubber item and screen suspension holdfastIt is bonded, has trepanning on rubber item；Converter metal shell end and the laser display screen back side are closely glued using high-damping adhesive tapeIt connects；
Converter can also be pushed away using low resistance adhesive tape or glue by assisting pronunciation board that optical diaphragm is made to make a soundArm support end is closely bonded with auxiliary pronunciation board, and auxiliary pronunciation board is multiple with the laser display screen back side by flexible foam tape etc.It closes；Converter metal shell end and screen suspension holdfast are closely bonded using high-damping adhesive tape, screw/rivet is tight when necessaryGu；
3. being connected by resilient suspension system between laser display screen and screen suspension holdfast, supporting and fixing display screenCurtain make it in certain amplitude can free vibration, resilient suspension system is designed as high damping shock absorption structure, with elastomer orElastic spring group is made, and can be isolated, decay the mechanical oscillation being transmitted to except screen, elimination system resonance and noise；
4. determining electromagnetic excitation energy converter in the distributing position of screen cover using model analysis and the method for exhaustion, electromagnetism swashsIt is symmetrical that energy converter group, which is encouraged, in screen cover, and the distance away from screen edge is the 1/6~1/3 of the screen length of side to bePreferably, make not interfere with each other to each other when work, at the same again can not hypertelorism cause sound to be detached with display picture, it is rational to adjustWhole transducer position enable each sound channel clearly recognize and multigroup driver work together when pronunciation center be located on screen central axes；
5. appropriate power match makes electromagnetic excitation energy converter act on sub-screen in vertical axes displacement in the lateral directionIt need to control not less than 1/4 visible wavelength, each sub- displacement stroke recovery time is not more than 0.1 second, is shaken using the elimination of sunset glow effectSubjective impact of the dynamic sounding to display picture.
Example IV
As shown in figure 5, one of laser display optics sound equipment screen high tone quality scheme example, visual angle is the screen back side, by swashingLight shows that screen 6, electromagnetic excitation energy converter 8, screen suspension holdfast 10, auxiliary pronunciation board 11 are constituted, wherein electromagnetic excitationEnergy converter 8 can be individually or multiple combination, collectively formed under the action of frequency divider can cover it is low, in,The technical solution of the graceful sound quality of high full frequency band.
As shown in figure 4, interfered with each other when multiple electromagnetic excitation energy converter work in combination situation signal, from top to bottom according toIt is secondary for severe interference, slight interference, do not interfere.
Embodiment five
As shown in fig. 6, the another example of laser display optics sound equipment screen high tone quality scheme, visual angle is the screen back side, by swashingLight shows that screen 6, energy converter 8, screen suspension holdfast 10, auxiliary pronunciation board 11 and second assist pronunciation board 12 to constitute,Middle energy converter 8 can be that individually or multiple combination, auxiliary pronunciation board 11 and second assists pronunciation board 12 can be withIt is integral and also separates, the technology for the graceful sound quality that can cover basic, normal, high full frequency band is collectively formed under the action of frequency dividerScheme.
In example IV, embodiment five, it is provided with independent bass, middle pitch, high pitch reinforcement unit and combinations thereof, energyConverter encourages screen or auxiliary pronunciation board sounding respectively, passes through the scaling down processing and Active crossover synthesis frequency according to screen characteristicsCompensation is rung, realizes the graceful sound quality that can cover full frequency band.
1. in hard laser projection optics sound equipment screen system, the combination of energy converter and hard rigid backboard is usedAs middle low-frequency range pronunciation unit, using the combination of energy converter and auxiliary pronunciation board as low frequency, high band pronunciation unit,To realize that range full frequency band covers；
Energy converter and the mounting means of auxiliary pronunciation board are identical as flexible laser projection optics sound equipment screen；
In flexible laser projection optics sound equipment screen system, using energy converter with auxiliary pronunciation board combination asLow frequency, intermediate frequency, high band pronunciation unit, to realize that range full frequency band covers；
Auxiliary pronunciation board according to different physical characteristics such as length-width ratio, density, area, thickness, rigidity, amount of deflection etc. is set asIndependent low frequency, intermediate frequency, high band pronunciation unit, it is characterised in that length-width ratio ＞ 1.0 and ＜ 3.0 are turned using same energyIn the case of parallel operation, be conducive to middle low-frequency range sounding, the aluminum honeycomb core paper of low-density using the larger aluminium honeycomb core aluminium sheet of densityPlate honeycomb is conducive to low frequency, high band sounding, and the cellular thickness increase of aluminium honeycomb core cardboard is then conducive to high band sounding；
2. determining electromagnetic excitation energy converter in the distributing position of screen cover using model analysis and the method for exhaustion, electromagnetism swashsIt is symmetrical that energy converter group, which is encouraged, in screen cover, and the distance away from screen edge is the 1/6~1/3 of the screen length of side to bePreferably, make not interfere with each other to each other when work, at the same again can not hypertelorism cause sound to be detached with display picture, it is rational to adjustWhole transducer position enable each sound channel clearly recognize and multigroup driver work together when pronunciation center be located on screen central axes；
When using independent bass, middle pitch, the setting of high pitch reinforcement unit, principle is that alto units are placed among screen,Bass, voice unit are placed on screen both sides or screen lower end, and pronunciation centre-height is 1.0~1.3 meters away from ground, with compatriots' sitting postureEar height is suitable；
3. according to frequency response curve, subjective sense of hearing and the appropriate frequency divider plan of establishment of other acoustic-electric featured configurations,The characteristics of according to laser projection optical screen, it is typically designed to 100~500Hz, 6000~10000Hz.
4. using digital signal processor to carry out Active crossover when necessary integrates compensating for frequency response, to meet frequency response curveFlat, straight requirement.
Embodiment six
A kind of laser display optics sound equipment screen sound-picture synchronization technology
Some music are when recording comprising the two independent channel informations in left and right, and the sound of L channel can be with when broadcastingIt is exported by left-hand loudspeaker, the sound of right channel can be exported by right-hand loudspeaker, form stereophonic effect.Common TVWithout being correspondingly arranged in program and film, that is, showing that a certain position of picture has sound to send out or when object of which movement, the hair of systemSound center is but always positioned on display picture central axes, and when viewing laser display large-size screen monitors are audio-visual, this sound-picture separation is existingAs especially prominent.
Therefore a kind of sound-picture synchronization technology of research, the display source signal of input can be analyzed, it is left depending on display pictureInferior horn is origin, shows picture overall width A, and when a certain position of display picture has, sound is sent out or object of which movement judges, quicklyOperation determines its horizontal direction coordinate X, and when in X/A=0~1/2 ± x (x foundations need to be arranged), output control makes distanceIts nearest phonation unit, that is, left-most cell works and other do not work；(x is according to needs when in X/A=1/2~2/2 ± xSetting), output control makes the phonation unit away from nearest neighbours i.e. right cell work and other do not work；When in X/A=1/2When ± x (x foundations need to be arranged), output control makes left and right side unit work at the same time；When judgement shows picture object along a certain railWhen mark moves, similarly the order switches of control phonation unit are exported to realize the synchronous sound control to motion picture in aforementioned mannersTechnology processed.
As shown in fig. 7, being conventional laser Projection Display-acoustic solutions, Fig. 8 is using sound-picture synchronization technologyLaser display optics sound equipment screen embodiment afterwards.
It has been made using hard or flexible laser projection optics screen as the display of sounding component using this case technical solutionSounding integrated system, pushing screen or auxiliary pronunciation board to be allowed to vibration with specific electromagnetic excitation energy converter, to form acoustics defeatedGo out, the grace that can cover full frequency band is played out by the bass of setting, middle pitch, high pitch reinforcement unit and power amplifier and frequency divider processingSound quality；Sound-picture synchronization technology is also reached by specific algorithm and software processing.The program makes screen vibrational excitation soundingWhile can control its Oscillation Amplitude to make vision invisible again, ensure and show that picture is not disturbed, formation can show high-qualityPicture and the laser projection optics sound equipment screen system scheme that can play interesting to listen to sound, meet user's audiovisual experience demand.
According to GB/T9396-1996《Loud speaker main performance test method》、GB 7313-87《High-fidelity loudspeaker systemMinimum performance requirement and measurement method》、SJ/T 11348-2006《DTV flat-panel monitor measurement method》, with reference to SJ/T11343-2006《DTV liquid crystal display general specification》, Dolby Labs, the official websites DTS and THX official standards, in standardImplement to carry out performance evaluation to laser projection optics sound equipment screen in anechoic chamber and be commented with the comparison of traditional multi-channel audio systemIt surveys, measures effective frequency range, minimum source electromotive force sound pressure level, sound channel noise sound level, acoustic pressure total harmonic distortion THD, volumeDetermine the core index such as audio frequency sound unevenness in frequency range to be satisfied by or require beyond corresponding standard, subjective sense of hearing is good, highSound quality Solution Embodiments can meet Doby, DTS, THX audition standard in certain use scope, and sound-picture synchronization technology canObviously by subjective perception.Simultaneity factor is slim, and occupancy is small, and it is big, inconvenient for use prompt, aobvious to solve the box sound equipment group volume of traditionShow that picture such as detaches at the problems with sound, realizes screen panel and shown as image and sound source function.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, however, it is to be understood that abilityField technique personnel can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in the application public affairsWithin the scope and spirit opened.It more specifically, can be to the group of theme combination layout in range disclosed in the present applicationA variety of variations and modifications are carried out at component and/or layout.In addition to variations and improvements to the component parts and or layout,To those skilled in the art, other purposes also will be apparent.