CN109998517A - The acquisition method and terminal device of bioelectrical signals - Google Patents
The acquisition method and terminal device of bioelectrical signals Download PDFInfo
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- CN109998517A CN109998517A CN201910145849.0A CN201910145849A CN109998517A CN 109998517 A CN109998517 A CN 109998517A CN 201910145849 A CN201910145849 A CN 201910145849A CN 109998517 A CN109998517 A CN 109998517A
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- acquisition
- bioelectrical signals
- reference voltage
- initial voltage
- voltage signal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
Abstract
The present invention is suitable for medical electronics technical field, provide the acquisition method and terminal device of a kind of bioelectrical signals, the acquisition method of the bioelectrical signals includes: to obtain collected initial voltage signal, and initial voltage signal described in root sets reference voltage corresponding with the initial voltage signal；Acquisition channel is successively selected with prefixed time interval, and reads the bioelectrical signals in the acquisition channel selected, the bioelectrical signals read are converted into digital signal, until being finished to the reading of all acquisition channel bioelectrical signals；Wherein, the acquisition channel is configured to read the signal path of the bioelectrical signals.According to the initial voltage signal received, to judge the type of measured target, so as to adjust setting reference voltage, acquisition method provided by the present application is enabled to be suitable for the acquisition of the bioelectrical signals of various types of measured target.
Description
Technical field
The invention belongs to the acquisition methods and terminal of medical electronics technical field more particularly to a kind of bioelectrical signals to set
It is standby.
Background technique
Human body is by various cell compositions.Cell is the most basic unit of body, because only that body is each thin
Born of the same parents are carried out their function, continue the biological phenomena of human body continuous.Cell is also a bioelectric basic unit,
" microgenerator " of they or a platform.It is well known that the variation of all things has electric generation.One living cells, no
By being excitatory state or rest state, they are all constantly occurring the variation of charge, and this phenomenon is known as by scientists
" bio-electric phenomenon ".All organs of human body can all generate bio-electric phenomenon, and in form of electricity --- and action potential passes through phase
Excitatory transmission to brain centres, brain centres pass through nerve impulse signal in a manner of action potential the nerve fibre answered
Corresponding nerve fibre passes to effector, to generate the functional activity of organ or tissue.
Using bio-electric phenomenon, the physical condition of people can be assessed；People can also be influenced by bioelectrical signals
The bioelectricity of body is improved health conditions so as to improve the physical condition of people.But up to the present, for bioelectric acquisition
Mostly using schemes such as optically detecting, electrochemistry acquisition or electromagnetism acquisitions, these schemes generally require complicated conversion and divide
The mating processing of analysis apparatus, and the acquisition mode disunity of bioelectrical signals generate different for different detection targets
Bioelectrical signals, need to configure different acquisition devices, virtually increase the cost of acquisition.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of acquisition method of bioelectrical signals and terminal device, to solve
The acquisition mode disunity of bioelectrical signals in the prior art, the different biological telecommunications generated for different detection targets
Number, the problem of needing to configure different acquisition devices, virtually increase the cost of acquisition.
The first aspect of the embodiment of the present invention provides a kind of acquisition method of bioelectrical signals, comprising:
Collected initial voltage signal is obtained, and according to initial voltage signal setting and the initial voltage signal
Corresponding reference voltage；
Acquisition channel is successively selected with prefixed time interval, and reads the biological telecommunications in the acquisition channel selected
Number, the bioelectrical signals read are converted into digital signal, until having read to all acquisition channel bioelectrical signals
Finish；Wherein, the acquisition channel is the signal path for reading the bioelectrical signals of array acquisition chip acquisition.
In one of the embodiments, before the selection acquisition channel further include:
Judge whether all acquisition channels acquire to finish, if so, resetting the value of the preset time；
If it is not, keeping the value of the preset time constant.
In one of the embodiments,
Collected initial voltage signal is being obtained, according to initial voltage signal setting and the initial voltage signal
Before the step of corresponding reference voltage bioelectrical signals, comprising:
Establish the database of the mapping relations of initial voltage signal and reference voltage；
In one of the embodiments, further include:
It is described to include: according to initial voltage signal setting reference voltage corresponding with the initial voltage signal
After getting the initial voltage signal, table look-up to obtain from the database corresponding with the bioelectrical signals
Reference voltage value, the reference voltage value is set as to the reference voltage currently acquired.The second aspect of the embodiment of the present invention mentions
Supply a kind of acquisition device of bioelectrical signals, comprising:
Reference voltage setting unit is configured to obtain collected initial voltage signal, and is believed according to the initial voltage
Number corresponding with the initial voltage signal reference voltage of setting；
Reading unit is configured to successively select acquisition channel with prefixed time interval, and reads the acquisition selected
The bioelectrical signals read are converted to digital signal by the bioelectrical signals in channel, until to all acquisition channels
Bioelectrical signals reading finishes；Wherein, the acquisition channel is the bioelectrical signals for reading the acquisition of array acquisition chip
Signal path.In one of the embodiments, further include:
Preset time setting unit, is configured to judge whether all acquisition channels acquire to finish, if so, described in resetting
The value of preset time；
If it is not, keeping the value of the preset time constant.
In one of the embodiments, further include:
Data establish unit, are configured to establish the database of the mapping relations of the bioelectrical signals and reference voltage.
The reference voltage setting unit includes in one of the embodiments,
Lookup unit is configured to after getting initial voltage signal, tables look-up obtain the biology from the database
The reference voltage value, is set as the reference voltage currently acquired by the corresponding reference voltage value of electric signal.
The third aspect of the embodiment of the present invention provides a kind of acquisition terminal equipment of bioelectrical signals, comprising: memory,
Processor and storage are in the memory and the computer program that can run on the processor, which is characterized in that institute
State the step of realizing the above method when processor executes the computer program.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, comprising: the computer can
It reads storage medium and is stored with computer program, which is characterized in that the computer program realizes above-mentioned side when being executed by processor
The step of method.
Existing beneficial effect is the embodiment of the present invention compared with prior art:
Reference voltage is set according to the initial voltage signal of acquisition, acquisition channel is selected, reads in current acquisition channel
The bioelectrical signals are converted to digital signal by bioelectrical signals；After preset time, current acquisition channel is closed, under selection
One acquisition channel reads the bioelectrical signals in current acquisition channel, and the bioelectrical signals are converted to digital signal, until
The reading of all acquisition channel bioelectrical signals is finished.According to the initial voltage signal received, to judge the class of measured target
Type enables acquisition method provided by the present application to be suitable for various types of tested so as to adjust setting reference voltage
The acquisition of the bioelectrical signals of target.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of the acquisition method of bioelectrical signals provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the acquisition device of bioelectrical signals provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the acquisition terminal equipment of bioelectrical signals provided in an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is the present invention one
The embodiment divided, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, should fall within the scope of the present invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
As shown in Figure 1, this application provides a kind of acquisition methods of bioelectrical signals comprising:
In the step s 100, collected initial voltage signal is obtained, and according to initial voltage signal setting and initial electricity
Press the corresponding reference voltage of signal.
Initial voltage signal refers to the bioelectrical signals initially received, for different measured targets, the life of output
The voltage of object electric signal is different, corresponding, and the initial voltage signal received also will be different, and different measured targets into
When row bioelectrical signals are acquired, need using different reference voltages.For different measured targets, the embodiment of the present application
According to the initial voltage signal received, to judge the type of measured target, so as to adjust setting reference voltage, so that the application
The acquisition method of offer can be suitable for the acquisition of the bioelectrical signals of various types of measured target.
In step s 200, acquisition channel is selected successively with prefixed time interval, and read in the acquisition channel selected
Bioelectrical signals, the bioelectrical signals read are converted into digital signal, until to all acquisition channel bioelectrical signals
Reading finishes；Wherein, the acquisition channel is the signal path for reading the bioelectrical signals of array acquisition chip acquisition.
In the present embodiment, it is equipped with a plurality of acquisition channel, while signal acquisition is carried out to measured target, in the life to acquisition
When object electric signal is read out, the signal path due to reading end generally only has one, therefore needs to acquire a plurality of acquisition channel
Bioelectrical signals read one by one.It optionally, can be right in advance when the bioelectrical signals in acquisition channel are read in selection
Acquisition channel is numbered, and according still further to number, successively selection acquires the bioelectrical signals in each acquisition channel, until to all
The reading of acquisition channel bioelectrical signals finishes.
Optionally, multiple array acquisition chips can be set, while the bioelectrical signals of measured target are acquired.Its
In, array acquisition chip can be single array chip or more array chips.
It is further comprising the steps of before step S100 in one of the embodiments:
Establish the database of the mapping relations of initial voltage signal and reference voltage.
On the basis of above-mentioned database, step S100 is specifically included:
After getting initial voltage signal, table look-up to obtain reference voltage corresponding with bioelectrical signals from database
Reference voltage value, is set as the reference voltage currently acquired by value.
It can be by collecting the value of the initial voltage signal of the generation of different measured target, and confirm different initial
The applicable reference voltage of voltage signal, to establish the database of the mapping relations of initial voltage signal and reference voltage.It connects
It after the initial voltage signal for receiving acquisition, tables look-up from database and obtains the corresponding reference voltage value of bioelectrical signals, by benchmark electricity
Pressure value is set as the reference voltage currently acquired.For common measured target, corresponding benchmark electricity can be obtained by tabling look-up
Pressure enables acquisition method provided by the present application to be suitable for adopting for the bioelectrical signals of various types of measured target
Collection, method simple practical.
In one embodiment, before selection acquisition channel further include:
Judge whether all acquisition channels acquire to finish, if so, resetting the value of preset time；
If it is not, keeping the value of preset time constant.
For different measured targets, the characteristic of the bioelectrical signals generated is different from, when being acquired to it,
The time of acquisition is not also identical.In the present embodiment, when carrying out acquiring biological electric signals to different measured targets, for every
The read access time of one acquisition channel is adjusted correspondingly, and specifically, is finished by judging whether all channels acquire, and is come
It is confirmed whether that completing acquisition when current measured target completes acquisition to current measured target then resets preset time
Value；When current measured target does not complete acquisition, keep the value of preset time constant, until completing to current measured target
Acquisition.On the one hand, it is ensured that on the other hand the integrality of collected bioelectrical signals can also be improved acquisition and reading
Take efficiency.For the value of preset time, setting can be adjusted according to initial signal, it can also be according to corresponding reference voltage
It is configured.
As shown in fig. 2, present invention also provides a kind of acquisition devices of bioelectrical signals comprising:
Reference voltage setting unit 110 is configured to obtain collected initial voltage signal, and according to initial voltage signal
Set reference voltage corresponding with initial voltage signal
Reading unit 120 is configured to successively select acquisition channel with prefixed time interval, and reads the acquisition selected and lead to
The bioelectrical signals read are converted to digital signal by the bioelectrical signals in road, until to all acquisition channel bioelectricity
Signal-obtaining finishes；Wherein, acquisition channel is the signal path for reading the bioelectrical signals of array acquisition chip acquisition.
The acquisition device of bioelectrical signals provided by the present application in one of the embodiments, further include: preset time is set
Unit is set, is configured to judge whether all acquisition channels acquire to finish, if so, resetting the value of preset time；If it is not, keeping
The value of preset time is constant.
The acquisition device of bioelectrical signals provided by the present application in one of the embodiments, further include:
Data establish unit, are configured to establish the database of the mapping relations of the bioelectrical signals and reference voltage.
Reference voltage setting unit 110 includes: in one of the embodiments,
Lookup unit is configured to after getting initial voltage signal, tables look-up obtain the biology from the database
The reference voltage value, is set as the reference voltage currently acquired by the corresponding reference voltage value of electric signal.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Fig. 3 is the schematic diagram of the acquisition terminal equipment for the bioelectrical signals that one embodiment of the invention provides.As shown in figure 3,
The acquisition terminal equipment 3 of the bioelectrical signals of the embodiment includes: processor 30, memory 31 and is stored in the memory
In 31 and the computer program 32 that can be run on the processor 30.When the processor 30 executes the computer program 32
Realize the step in the acquisition method embodiment of above-mentioned each bioelectrical signals, such as step 100 shown in FIG. 1 is to 200.Or
Person, the processor 30 realize the function of each module/unit in above-mentioned each Installation practice when executing the computer program 32,
Such as the function of module 110 to 120 shown in Fig. 2.
Illustratively, the computer program 32 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 31, and are executed by the processor 30, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 32 in the acquisition terminal equipment 3 of the bioelectrical signals is described.For example, the calculating
Machine program 32 can be divided into reference voltage setting unit, reading unit, and each module concrete function is as follows:
Reference voltage setting unit 110 is configured to receive the initial voltage signal of acquisition, be set according to initial voltage signal
Reference voltage；
Reading unit 120 is configured to successively select acquisition channel with prefixed time interval, and reads the acquisition selected and lead to
The bioelectrical signals read are converted to digital signal by the bioelectrical signals in road, until to all acquisition channel bioelectricity
Signal-obtaining finishes；Wherein, acquisition channel is the signal path for reading the bioelectrical signals of array acquisition chip acquisition.
The acquisition terminal equipment 3 of the bioelectrical signals can be desktop PC, notebook, palm PC and cloud
Server etc. calculates equipment.The acquisition terminal equipment of the bioelectrical signals may include, but be not limited only to, processor 30, storage
Device 31.It will be understood by those skilled in the art that Fig. 3 is only the example of the acquisition terminal equipment 3 of bioelectrical signals, do not constitute
Restriction to the acquisition terminal equipment 3 of bioelectrical signals may include components more more or fewer than diagram, or combine certain
Component or different components, such as the acquisition terminal equipment of the bioelectrical signals can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 30 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 31 can be the internal storage unit of the acquisition terminal equipment 3 of the bioelectrical signals, such as raw
The hard disk or memory of the acquisition terminal equipment 3 of object electric signal.The memory 31 is also possible to the acquisition of the bioelectrical signals
The plug-in type hard disk being equipped on the External memory equipment of terminal device 3, such as the acquisition terminal equipment 3 of the bioelectrical signals,
Intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash
Card) etc..Further, the memory 31 can also both include the inside of the acquisition terminal equipment 3 of the bioelectrical signals
Storage unit also includes External memory equipment.The memory 31 is for storing the computer program and the biological telecommunications
Number acquisition terminal equipment needed for other programs and data.The memory 31, which can be also used for temporarily storing, have been exported
Or the data that will be exported.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed terminal device and method can pass through it
Its mode is realized.For example, terminal device embodiment described above is only schematical, for example, the module or list
Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point is shown
The mutual coupling or direct-coupling or communication connection shown or discussed can be through some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include: can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of acquisition method of bioelectrical signals characterized by comprising
Collected initial voltage signal is obtained, and corresponding with the initial voltage signal according to initial voltage signal setting
Reference voltage；
Acquisition channel is successively selected with prefixed time interval, and reads the bioelectrical signals in the acquisition channel selected,
The bioelectrical signals read are converted into digital signal, until finishing to the reading of all acquisition channel bioelectrical signals；
Wherein, the acquisition channel is the signal path for reading the bioelectrical signals of array acquisition chip acquisition.
2. the acquisition method of bioelectrical signals as described in claim 1, which is characterized in that before the selection acquisition channel also
Include:
Judge whether all acquisition channels acquire to finish, if so, resetting the value of the preset time；
If it is not, keeping the value of the preset time constant.
3. the acquisition method of bioelectrical signals as described in claim 1, which is characterized in that obtaining collected initial voltage
Signal, according to the initial voltage signal set reference voltage bioelectrical signals corresponding with the initial voltage signal the step of
Before, comprising:
Establish the database of the mapping relations of initial voltage signal and reference voltage.
4. the acquisition method of bioelectrical signals as claimed in claim 3, which is characterized in that described to be believed according to the initial voltage
Number corresponding with the initial voltage signal reference voltage of setting includes:
After getting the initial voltage signal, table look-up to obtain base corresponding with the bioelectrical signals from the database
The reference voltage value is set as the reference voltage currently acquired by quasi- voltage value.
5. a kind of acquisition device of bioelectrical signals characterized by comprising
Reference voltage setting unit is configured to obtain collected initial voltage signal, and is set according to the initial voltage signal
Fixed reference voltage corresponding with the initial voltage signal；
Reading unit is configured to successively select acquisition channel with prefixed time interval, and reads the acquisition channel selected
In bioelectrical signals, the bioelectrical signals read are converted into digital signal, until to all acquisition channels biology
Electric signal reading finishes；Wherein, the acquisition channel is the signal for reading the bioelectrical signals of array acquisition chip acquisition
Channel.
6. the acquisition device of bioelectrical signals as claimed in claim 5, which is characterized in that further include:
Preset time setting unit, is configured to judge whether all acquisition channels acquire to finish, if so, resetting described default
The value of time；
If it is not, keeping the value of the preset time constant.
7. the acquisition device of bioelectrical signals as claimed in claim 5, which is characterized in that further include:
Data establish unit, are configured to establish the database of the mapping relations of the bioelectrical signals and reference voltage.
8. the acquisition device of bioelectrical signals as claimed in claim 7, which is characterized in that the reference voltage setting unit packet
It includes
Lookup unit is configured to after getting initial voltage signal, tables look-up obtain the biological telecommunications from the database
The reference voltage value, is set as the reference voltage currently acquired by number corresponding reference voltage value.
9. a kind of acquisition terminal equipment of bioelectrical signals, including memory, processor and storage are in the memory simultaneously
The computer program that can be run on the processor, which is characterized in that the processor executes real when the computer program
Now such as the step of any one of Claims 1-4 the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as Claims 1-4 of realization the method.
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| CN114578744A (en) * | 2022-05-07 | 2022-06-03 | 武汉筑链智能科技有限公司 | Method and device for acquiring equipment operation data |
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