CN201194112Y - Video shooting type multifunctional click-to-read machine - Google Patents
Video shooting type multifunctional click-to-read machine Download PDFInfo
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- CN201194112Y CN201194112Y CNU2008200944408U CN200820094440U CN201194112Y CN 201194112 Y CN201194112 Y CN 201194112Y CN U2008200944408 U CNU2008200944408 U CN U2008200944408U CN 200820094440 U CN200820094440 U CN 200820094440U CN 201194112 Y CN201194112 Y CN 201194112Y
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Abstract
A camera type multifunctional point reading machine comprises a machine body, a camera lens mounted on the machine body and a control press button for realizing function operation. An image sensor corresponding to the camera lens, a main controller and a programmer and data memory connected to the image sensor are arranged in the machine body; an audio output apparatus and a communicating interface with computer data transmission are also mounted on the machine body. A positioning baffle for auxiliary camera is arranged in front of the camera lens, the main controller can shoot the words under the control of software, recognize the shot picture, then find the corresponding voice data in the programmer and data memory to play using the recognized words as keywords, and realize the point reading function. The direct point reading function can be realized on the common text book or other books by using the utility model, the cost is low, the interference and unstable factor are rare, thereby having strong practical value.
Description
Technical field
The utility model relates to a kind of electronic learning device, specifically, relates to a kind of printed article that cooperates and plays and wherein the camera shooting type point reader of the corresponding voice data of word content, the function of more additional portable digital products in addition.
Background technology
Many novel children instrument---point reader of giving financial aid to students appears at present on the market.Be characterized in, lay crisscross conductive mesh film, join one outward only to respond to or to send the click pen of wireless signal in the inside of a housing similar with notebook computer.During use the textbook horizontal on the housing that launches, with clicking pen is clicked literal on the textbook position, clicking the wireless signal that pen sends will be accepted by the conduction web plate that casing inside is laid, and the electromagnetic wave of launching on the web plate that perhaps conducts electricity can receive by clicked pen.Through handling, CPU in the casing just can obtain the coordinate figure of click location, and then according to coordinate figure the speech data corresponding to this coordinate that is stored in the speech data memory is taken out, deliver to the sound that speech processing circuit sends this position literal correspondence, play the effect of " reading ".
Also has a kind of talking pen based on optical identification (OID) principle.Its principle is, the site that printing one deck naked eyes are difficult for discovering on the printed article of routine, and the size of diverse location site is different with shape.The OID point reader " is taken pictures " facing to printed article, promptly knows the size and the shape of the site, place of taking pictures.Store voice data in the internal storage of OID talking pen in advance, thereby the OID talking pen can retrieve corresponding voice data according to the site parameter that obtains and play back, realize the function of reading according to the site parameter reference.
But these the two kinds schemes that realize the reading function all have shortcoming.The point reader scheme must be placed on books on the heavy point reader, uses very inconvenient.And relate to complicated emission, receive and handle, cost height and precision is low.The special printing treatment that the OID talking pen must add printed article has increased printing cost, uses also to be subjected to bigger restriction.
The utility model content
The main technical problems to be solved in the utility model is, at the defective of above-mentioned point reader and OID talking pen, provides the lower and more practical camera shooting type of a kind of cost multi-functional reading machine.
The utility model solves the problems of the technologies described above the technical scheme that is adopted, and constructs the multi-functional reading machine of a kind of camera shooting type, comprises fuselage and pick-up lens and the control button that is used to realize feature operation mounted thereto; In described fuselage, be equipped with and the corresponding image sensor of described pick-up lens; It is characterized in that described pick-up lens front also is equipped with the positioning baffle that is used for auxiliary shooting and literal identification; Audio output device also is installed on the described fuselage, and the view data that storer also is housed in the described fuselage and is used for receiving the output of described image sensor is therefrom discerned behind the literal that photographs according to the literal that identifies and is found out corresponding voice data and described voice data is carried out the master controller of decoding processing from described storer; Wherein, the voice data after described master controller decoding processing is sent to described audio output device by the audio signal output interface of master controller; Described control button comprises the pick-up lens tripper that links to each other with described master controller.
In the multi-functional reading machine of camera shooting type described in the utility model, described master controller comprises the display driver interface, and the display screen that links to each other with described display driver interface is installed on the described fuselage; Described control button also comprises the operator scheme selection key that links to each other with described master controller.
In the multi-functional reading machine of camera shooting type described in the utility model, described point reader profile is a lip pencil, described pick-up lens is installed in the nib place, described positioning baffle is that xsect is the batten of inverted L shape, the one end is fixed on by the pick-up lens, the other end is overhanging and be in the shooting angular field of view of pick-up lens, and the flex point inboard is towards described pick-up lens.
In the multi-functional reading machine of camera shooting type described in the utility model, described point reader profile is a lip pencil, described pick-up lens is installed in the nib place, described positioning baffle one end is that inverted L shape, the other end outwards are horn-like expansion, its small size one end is fixed on by the pick-up lens, large scale one end is overhanging and be in the shooting angular field of view of pick-up lens, and the flex point inboard is towards described pick-up lens.
In the multi-functional reading machine of camera shooting type described in the utility model, described point reader profile is flat box-like, and described pick-up lens is installed in a side of flat box-like fuselage, and described positioning baffle is the inverted L shape batten, and its flex point inboard is towards described pick-up lens; And described positioning baffle telescopically is installed on the fuselage.
In the multi-functional reading machine of camera shooting type described in the utility model, described pick-up lens is the microspur wide-angle lens.
In the multi-functional reading machine of camera shooting type described in the utility model, described positioning baffle be transparent material make or described baffle plate on a plurality of light holes are set.
In the multi-functional reading machine of camera shooting type described in the utility model, described master controller comprises audio input interface; Described fuselage is provided with microphone, and it links to each other with the audio input interface of described master controller, and described audio output device comprises earphone interface and or boombox.
In the multi-functional reading machine of camera shooting type described in the utility model, described storer is the mobile memory of plug type.
In the multi-functional reading machine of camera shooting type described in the utility model, described storer is the storer that is fixedly mounted in the fuselage, also is provided with on the described fuselage to be used for and computing machine transmission data communication interface.
Implement the utility model, can directly on common teach book or other books, directly realize reading, and need not to be equipped with conduct electricity the heavy casing of web plate, also need not special printing treatment that the printed article surface is added.And because the digital vedio recording technology has been very universal, character recognition technology is also very ripe, thus the multi-functional reading machine of camera shooting type of the present utility model implementation cost is very low, interference and labile factor seldom, have very strong practical value.In addition, except reading, the utility model also has " grabbing the speech translation " function described in the patent 200520058636.8.The utility model also can add functions such as electronic dictionary, digital camera, miniature Digital Video, MP3, digital recording, aural learning, the multi-functional reading machine of the camera shooting type that makes it become a tractor serves several purposes.
Below in conjunction with accompanying drawing principle of work of the present utility model is elaborated.
Description of drawings
Figure 1A is the schematic appearance of an embodiment of the multi-functional reading machine of the utility model camera shooting type;
Figure 1B is the synoptic diagram of positioning baffle one embodiment of the multi-functional reading machine of the utility model camera shooting type;
Fig. 1 C is the synoptic diagram of another embodiment of positioning baffle of the multi-functional reading machine of the utility model camera shooting type;
Fig. 2 is the circuit structure block diagram of an embodiment of the multi-functional reading machine of the utility model camera shooting type;
Fig. 3 is the sample of an embodiment of the present utility model literal photo of taking pictures;
Fig. 4 is the sample of a literal sound compound file format of the present utility model;
Fig. 5 is the index entry structural drawing of the interior voice data index area of page or leaf in the file layout shown in Figure 4;
Sound data retrieval process flow diagram when Fig. 6 is an embodiment reading of the present utility model;
Fig. 7 is the schematic appearance of another embodiment of the multi-functional reading machine of the utility model camera shooting type.
Embodiment
The technical solution of the utility model design is: grab the speech pen with reference to the camera shooting type that is proposed in the patent 200520058636.8, construct a kind of point reader, can take pictures to literal printed on the books, and " identification " goes out the literal of being taken pictures from the photo of taking pictures, then according to the literal that obtains, in storer, find its corresponding sound, and then realization " reading ".
Similar with conductive mesh membrane type point reader and OID point reader, the utility model pre-deposit in also need the storer in machine have literal, the complex data file of sound corresponding relation.Different is, what conductive mesh membrane type point reader deposited in is the corresponding relation of coordinate figure and sound, and what the OID point reader deposited in is the corresponding relation of site ID and sound, and the utility model deposits in then is word character string itself and the corresponding relation of sound.
In theory, the literal of diverse location is always different in book, thereby total energy find its corresponding sound according to the literal that obtains, yet can cause the overlong time of " identification " like this for the more printed article of word content.For accelerating recognition time, can copy point reader, literal and voice data to be deposited by the page or leaf subregion, the probability that literal repeats in every page is very low, and identification and retrieval all can be faster.Especially, for pupil's textbook, the sentence number of every page of literal is few, and relatively disperses, and is more suitable for the utility model.In this case, can only discern the different part of each beginning of every beginning and other.By statistics, discern the character string that 1 ~ 5 word just is enough to locate the literal of taking pictures generally speaking at every turn.
Opposite extreme situations, with occurring the different people word in one page but the identical sentence of literal can all play back this sound of two so, allow the user know from experience with more different scenes under the different usages and different pronunciations of same sentence.
Especially, if the machine internal storage is not stored the printed article corresponding character of using, sound composite file, the utility model also can utilize TTS (Text To Sound) sonification techniques that any printed article is carried out random reading.Along with the TTS technology is more and more ripe, adopt the TTS pronunciation perhaps will become optimal mode of the present utility model.
Among the embodiment of the present utility model, surface structure is shown in Figure 1A.As can be seen from the figure, the main part of the multi-functional reading machine of this camera shooting type is designed to lip pencil, and pick-up lens 102 is positioned at the lower end (being pen tip position) of a body 103, is provided with positioning baffle 101 below pick-up lens 102.Be rigidly connected between positioning baffle 101 and the pick-up lens 102.Body 103 is provided with plurality of keys 104, receiver J-Horner 105 and USB socket 106.Display screen 107 is located at pen end on one's body, and it is built-in loudspeaker (not shown) behind.In the utility model, the setting of key position matches with the direction setting of positioning baffle 101, that is to say, when positioning baffle 101 was aimed at the reference position that needs shooting, button was in the position of being convenient to point pressing.
Need to prove that the positioning baffle of camera lens front is very crucial, its effect is that shooting distance and focusing are finished automatically, has also prevented in the shooting process because of manually causing photographic fog.The most important thing is on picture, to stay next telltale mark, make the literal identification of back simplify a lot.As long as satisfy these requirements, positioning baffle has multiple design proposal.For example, can be designed to the inverted L shape positioning baffle 101 shown in Figure 1A, also can be designed to the inverted L shape positioning baffle 101B that is horn-like expansion shown in Figure 1B, even remove a side of L type, be designed to the yi word pattern positioning baffle 101C that is horn-like expansion shown in Fig. 1 C.When taking pictures, the literal that will take pictures alignment lens, the horizontal direction that the transverse panel edges of positioning baffle is extended along literal, the inboard, turning of inverted L shape baffle plate or the horizontal edge starting point alignment of yi word pattern baffle plate will be taken first alphabetical upper left corner in the literal, press shutter and promptly finish shooting.
The vertical height h that it should be noted that positioning baffle should equal correct shooting distance, can finish automatically when the printed article of being close to the literal place that is taken when positioning baffle is taken pictures like this to focus on and prevent manually.The design of positioning baffle also to make its contact with printed article make camera lens automatically with literal being shot in vertical state, on this meaning, the inverted L shape positioning baffle is more superior than yi word pattern.In addition, as preferably, in order not influence the illuminance of shooting place, positioning baffle can be designed to transparent or a plurality of light holes are set on baffle plate.
In order closely to photograph big as far as possible area down practical, described pick-up lens 102 is the microspur wide-angle lens preferably, make the vertical height of positioning baffle can be 30 millimeter even littler, the character area area diameter that photographs should be not less than 8 centimetres.
Among another embodiment of the present utility model, the surface structure of the multi-functional reading machine of camera shooting type as shown in Figure 7.As can be seen from the figure, the main part of the multi-functional reading machine of this camera shooting type is designed to flat box-like, pick-up lens 702 is positioned at the end of flat box-like fuselage 703 1 sides, be provided with inverted L shape positioning baffle 701 below pick-up lens 702, the flex point inboard of this inverted L shape positioning baffle 701 is towards pick-up lens.As optimal way, positioning baffle 701 is designed to extension type, can pull out from fuselage during use, and the time spent does not push.This telescopic structure may be implemented in a variety of ways, and belongs to common practise in the industry, thereby repeats no more herein.Fuselage 703 surfaces are provided with plurality of keys 704, a side is provided with receiver J-Horner 705 and USB socket 706.Display screen 707 also is located at fuselage surface, also is provided with built-in loudspeaker (not shown) on the fuselage.
Fig. 2 is a circuit structure block diagram of the present utility model.Find out that by figure the light process camera lens 201 arrival image sensors 202 of the literal that is taken that the baffle plate that is positioned limits leave image data (photo) in program by predetermined form under the control of master controller 203 and 204 li of data-carrier stores are temporary.Then, 203 pairs of image datas of master controller are analyzed, and identify literal wherein, and search its corresponding voice data according to the literal that identifies in program and data-carrier store 204, will its taking-up and decoding after be sent to earphone 209 sounding, or after power amplifier 207 amplifies by loudspeaker 208 sounding.If desired the literal of identification is translated, can in the electronic dictionary of program and 204 li storages of data-carrier store, be found its lexical or textual analysis on display screen 205, to show according to the word character string of identification.Button 206 is used to be provided with and operates different functions.For example, button 206 can be corresponding to a plurality of buttons 104 among Fig. 1, and these buttons can comprise the control button of camera shutter button, select operating mode (as reading, translation, dictionary, MP3, recording etc.) and select book, choosing page or leaf (referring to the explanation of back in conjunction with Fig. 6) button etc.The effect of dynamic storage 210 is temporary picture shot, directly carries out discriminance analysis.Because the access speed of dynamic storage 210 is far away faster than program and data-carrier store 204, carries out the discriminance analysis ratio and be placed on 204 li of program and data-carrier stores to carry out discriminance analysis a lot of soon so picture shot is placed on 210 li of dynamic storagies.Notice that the square frame of dynamic storage 210 is with dotted lines among the figure, if the speed of expression master controller is enough fast or its internal configurations has enough dynamic storagies, dynamic storage 210 also can omit among the figure.USB interface 211 among the figure is used for uploading or downloading the composite file of literal, sound in computer.
According to above-mentioned functions and principle explanation, those skilled in the art obviously can know, in the multi-functional reading machine of the utility model camera shooting type, master controller comprises a plurality of built-in control assemblies such as CPU (central processing unit), image sensor input interface, Memory Controller, USB control interface, audio signal output interface.As selection, it can also comprise display driver interface and audio input interface, to realize word lexical or textual analysis demonstration and sound-recording function.
Master controller is general to adopt the popular integrated SOC (system on a chip) of multiple sub-function module (SoC) multimedia process chip.This chip is a lot, such as S3C2440, PXA270, the PXA300 of Marvell company of Intel Company, the AK3631L of An Kai company, the JZ4730/4740 of the positive company of monarch etc. of Samsung.
In the utility model, program and data-carrier store 204 can be the storeies that is fixedly mounted in the body, also can be designed to pluggable miniature movable type storer, link to each other with master controller 203 by memory interface.In addition, being used for being not limited to the USB interface shown in Fig. 2 with computer transmission data communication interface, also can be existing other type communication interface that maybe will have.As selection, be designed under the situation of portable storer in program and data-carrier store 204, also communication interface can be set.
In one embodiment, when taking pictures, the upper left corner of the literal field that the inboard aligning of the flex point of inverted "L" shaped positioning baffle 101 will be taken, its horizontal edge is towards literal bearing of trend from left to right, and vertical edge is towards literal bearing of trend from top to bottom.The photo of shooting is similar shown in Figure 3, comprising baffle part in the photo 301 and word segment 302.Find out that by figure the literal that will discern in the photo is positioned at the rectangular area that begins from the photo upper left corner.At present, character recognition technology is quite ripe, and it is not difficult to identify these literal.Particularly, what the utility model will be discerned can (but being not limited to) be English or other foreign language word of block letter, and the identification difficulty is simplified greatly.
When operating under the interpretive scheme, grab speech translation, identify the character string of literal after, can be directly used in the dictionary retrieval, find the lexical or textual analysis of the word of being discerned to show by display screen 205.
When operating under the reading mode, carry out reading, to be that keyword finds corresponding voice data to play back with the literal of discerning also then according to the books and the page that use.In order to realize the correspondence retrieval relation of whole book literal and voice data, must design the file layout of a kind of literal, sound complex data, make can in this file, retrieve its corresponding voice data easily according to the literal of being discerned.
Different printed articles, the mode difference of its character arranging needs the different file layout of design.The simplest is the less printed article of literal of child's word cards one class, comprises pupil's foreign language textbook.
In present primary school's foreign language textbook, the arrangement of literal is very much not different with common books, is substantially to occur by caption or the form of pointing to interlocutor's textbox.In other words, literal is arranged by " piece ", every page general several to tens, is no more than 50 at most, the corresponding one section sound of each literal piece.In order to find the voice data of different literals piece correspondence, can identify one or more words of each literal piece beginning as key word.Such as, " Liming is from China " this literal piece can be with " Liming " as key word, as long as " Liming " this word has not been the beginning of other literal pieces of this page.If this page another one literal piece also with " Liming " beginning, can change into " Limingis " or " Liming is from " even " Liming is from China " as key word by chance.Opposite extreme situations, if two identical literal pieces appear in this page or leaf, can retrieve two sections voice datas according to identical index key so, that just might as well all play back these two sections sound, allow user experience or contrast this literal piece under different scenes the sound tone or the pronunciation characteristic of different people.
Fig. 4 is a kind of literal of the simplest, suitable pupil's textbook, the data layout example of sound composite file.Found out that by figure the file foremost is the master index district, each index entry of this index area is actual to be the start address and the length of the data field of each page.According to the page number of wanting reading, can find the start address of this page data.Literal of each page and voice data begin to discharge in regular turn from back, master index district.In the data of each page, a preceding part is the voice data index area of this page, and a back part is the stacking in regular turn of this page voice data.Each index entry is made up of 5 fields in the voice data index area, and its meaning as shown in Figure 5.As can be seen from Figure 5, the character string according to identification can find its corresponding voice data address and length in the voice data index area, can find corresponding voice data by voice data address and length again, and then it is played back.
Fig. 6 is the process flow diagram that carries out sound data retrieval according to the literal of identification.Have two notions to need explanation:
1) select book: which this book of reading must this book corresponding character sound complex data file of storage in the machine internal storage.Which literal sound composite file can pack into the literal sound complex data file of a lot of these books of machine internal storage uses so must specify before the beginning reading, and this process is called " selecting book ".Can be by display file name on display screen, select and the mode confirmed realizes selecting book with button.
Be worth explanation, if pen is not provided with display screen on one's body, select the book process to change into, by selecting the book key to select book one by one, the book of choosing is quoted title by loudspeaker, chooses the postscript that needs to begin the operation of back again.
2) choosing page or leaf: as previously mentioned, in order to accelerate the retrieval rate of voice data, the complex data of literal sound is deposited by " page or leaf ", and current which page what want reading be so also will specify before the reading.The method of choosing page or leaf is a lot, relatively directly a kind ofly is: pin " choosing page or leaf " key and aim at the current page number symbol of the page of reading of wanting and take, identify the page number of shooting then.
Known the notion of selecting book and choosing page or leaf, the process flow diagram of Fig. 6 is easy to see clear, repeats no more herein.
For the different printing thing, according to the difference of its character arrangement, can design different file layouts, total energy realizes the purpose of random reading.Especially, for the printed article of child's word cards one class, because number of pages and literal are all less, fully can paging and Direct Recognition, directly retrieve, be equivalent to have only the books of one page.
Need to prove that the multi-functional reading machine of camera shooting type of the present utility model can also add the TTS module.Like this,, do not store its corresponding character sound composite file in the machine, can start the TTS function in this case yet, the literal that photographs is carried out the TTS mode read aloud for any printed article that runs at any time.In TTS technology increasingly mature today, it is the very practical mode of reading aloud that TTS reads aloud, and reads aloud with the TTS technology such as the Kingsoft Powerword that everybody is familiar with.On this meaning, the utility model can arbitrarily be read aloud the literal of any printed article.
As selection, can also operate under reading+interpretive scheme, that is to say in the sound of playing captured literal, on display screen, show its lexical or textual analysis.
In addition, the utility model can also add modish digital functions such as translation machine, electronic dictionary, digital camera, Digital Video, MP3, digital recording, becomes the pocket digital product of a tractor serves several purposes, and its market outlook are very considerable.
Claims (10)
1. the multi-functional reading machine of camera shooting type comprises fuselage and pick-up lens and the control button that is used to realize feature operation mounted thereto; In described fuselage, be equipped with and the corresponding image sensor of described pick-up lens; It is characterized in that described pick-up lens front also is equipped with the positioning baffle that is used for auxiliary shooting and literal identification; Audio output device also is installed on the described fuselage, and the view data that storer also is housed in the described fuselage and is used for receiving the output of described image sensor is therefrom discerned behind the literal that photographs according to the literal that identifies and is found out corresponding voice data and described voice data is carried out the master controller of decoding processing from described storer; Wherein, the voice data after described master controller decoding processing is sent to described audio output device by the audio signal output interface of master controller; Described control button comprises the pick-up lens tripper that links to each other with described master controller.
2. the multi-functional reading machine of camera shooting type according to claim 1 is characterized in that described master controller comprises the display driver interface, and the display screen that links to each other with described display driver interface is installed on the described fuselage; Described control button also comprises the operator scheme selection key that links to each other with described master controller.
3. the multi-functional reading machine of camera shooting type according to claim 2, it is characterized in that, described point reader profile is a lip pencil, described pick-up lens is installed in the nib place, described positioning baffle is that xsect is the batten of inverted L shape, the one end is fixed on by the pick-up lens, and the other end is overhanging and be in the shooting angular field of view of pick-up lens, and the flex point inboard is towards described pick-up lens.
4. the multi-functional reading machine of camera shooting type according to claim 2, it is characterized in that, described point reader profile is a lip pencil, described pick-up lens is installed in the nib place, described positioning baffle one end is that inverted L shape, the other end outwards are horn-like expansion, its small size one end is fixed on by the pick-up lens, and large scale one end is overhanging and be in the shooting angular field of view of pick-up lens, and the flex point inboard is towards described pick-up lens.
5. the multi-functional reading machine of camera shooting type according to claim 2, it is characterized in that described point reader profile is flat box-like, described pick-up lens is installed in a side of flat box-like fuselage, described positioning baffle is the inverted L shape batten, and its flex point inboard is towards described pick-up lens; And described positioning baffle telescopically is installed on the fuselage.
6. according to the multi-functional reading machine of each described camera shooting type in the claim 1 to 5, it is characterized in that described pick-up lens is the microspur wide-angle lens.
7. according to the multi-functional reading machine of each described camera shooting type in the claim 1 to 5, it is characterized in that, described positioning baffle be transparent material make or described baffle plate on a plurality of light holes are set.
8. the multi-functional reading machine of camera shooting type according to claim 7 is characterized in that described master controller comprises audio input interface; Described fuselage is provided with microphone, and it links to each other with the audio input interface of described master controller, and described audio output device comprises earphone interface and or boombox.
9. according to the multi-functional reading machine of each described camera shooting type in the claim 1 to 5, it is characterized in that described storer is the mobile memory of plug type.
10. according to the multi-functional reading machine of each described camera shooting type in the claim 1 to 5, it is characterized in that described storer is the storer that is fixedly mounted in the fuselage, also be provided with on the described fuselage and be used for and computing machine transmission data communication interface.
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| CNU2008200944408U CN201194112Y (en) | 2008-05-12 | 2008-05-12 | Video shooting type multifunctional click-to-read machine |
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| CNU2008200944408U CN201194112Y (en) | 2008-05-12 | 2008-05-12 | Video shooting type multifunctional click-to-read machine |
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- 2008-05-12 CN CNU2008200944408U patent/CN201194112Y/en not_active Expired - Fee Related
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