CN106683650A - Automatic piano playing test device and method - Google Patents
Automatic piano playing test device and method Download PDFInfo
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- CN106683650A CN106683650A CN201710109967.7A CN201710109967A CN106683650A CN 106683650 A CN106683650 A CN 106683650A CN 201710109967 A CN201710109967 A CN 201710109967A CN 106683650 A CN106683650 A CN 106683650A
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003993 interaction Effects 0.000 claims abstract description 36
- 230000015654 memory Effects 0.000 claims description 28
- 238000001228 spectrum Methods 0.000 claims description 28
- 230000009466 transformation Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 238000004549 pulsed laser deposition Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
- G10H2240/171—Transmission of musical instrument data, control or status information; Transmission, remote access or control of music data for electrophonic musical instruments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention relates to the technical field of test, in particular to an automatic piano playing test device and method. The automatic piano playing test device is applied to a piano comprising an automatic piano playing device and a plurality of piano keys, the automatic piano playing test device comprises a note signal acquisition device, a first controller, a second controller, a storage and a man-machine interaction device, the first controller is connected with the note signal acquisition device, and the second controller is respectively connected with the first controller, the storage, the man-machine interaction device and the automatic piano playing device. By the aid of the automatic piano playing test device, automatic piano playing accuracy and reliability can be tested.
Description
Technical field
The present invention relates to technical field of measurement and test, in particular to a kind of piano automatic Playing test device and method.
Background technology
Piano has the characteristics of range is broad, and volume change amplitude is huge, is preferable many acoustic musical instruments.In the prior art,
Can carry out the piano of automatic Playing be designed or production process in, there are many reasons may cause system operation unstable
It is fixed, and then cause the piano to carry out the situation of error during automatic Playing.
The content of the invention
In view of this, it is an object of the invention to provide a kind of piano automatic Playing test device, believed by setting note
Number acquisition device, the first controller, second controller, memory and human-computer interaction device can be realized drilling piano automatically
Play the test of accuracy and reliability.
In view of this, another object of the present invention is to provide a kind of piano automatic Playing method of testing, by setting sound
Symbol signal acquisition device, the first controller, second controller, memory and human-computer interaction device can be realized carrying out piano certainly
The test of dynamic performance accuracy and reliability.
A kind of piano automatic Playing test device that the present invention is provided, is applied to include piano player and multiple
The piano of piano key, the piano automatic Playing test device includes：Note signal acquisition device, the first controller, second
Controller, memory and human-computer interaction device, first controller are connected with the note signal acquisition device, and described
Two controllers are connected respectively with first controller, memory, human-computer interaction device and piano player.
The human-computer interaction device receives input signal and transmission is to the second controller, the second controller according to
The input signal obtains qin spectrum information corresponding with the input signal from the memory and sends to the described first control
Device, the qin spectrum information includes multiple note informations for arranging in order, and the second controller controls the piano to drill automatically
Play device makes corresponding piano key send musical notes according to the multiple note information for arranging in order.
When controlling the piano player to carry out qin spectrum automatic Playing, the note signal acquisition device is obtained
The musical notes obtain playing information and send to first controller, first controller by note information and with this
The corresponding playing information of qin spectrum information is matched, and when matching inconsistent, the playing information is sent to the man-machine interaction
Device.
Optionally, in above-mentioned piano automatic Playing test device, when the note information includes note frequencies and note
Long, the playing information includes playing frequency and plays duration, first controller by the note frequencies and with the note
The corresponding frequency of playing of frequency is matched, and note duration and performance duration corresponding with the note duration are matched, when
Note frequencies and when performance frequency matching is inconsistent and/or the note duration matches inconsistent with the performance duration,
Playing information and the corresponding note information of playing information are sent to the human-computer interaction device, the playing information includes piano
Key information.
Optionally, in above-mentioned piano automatic Playing test device, the note signal acquisition device includes microphone, described
Microphone is connected with first controller, and the performance sound of the piano key when microphone receives piano automatic Playing is converted into drills
Play information and send to first controller.
Optionally, in above-mentioned piano automatic Playing test device, the note signal acquisition device also includes that signal is whole
Shape circuit, the microphone is connected by the signal transformation circuit with first controller, and it is automatic that the microphone receives piano
Key during performance is played sound and is sent to the signal transformation circuit after being converted into electric signal, and the signal transformation circuit is to institute
State electric signal and process and obtain playing information and send to first controller.
Optionally, in above-mentioned piano automatic Playing test device, the human-computer interaction device includes matrix keyboard and shows
Show device, the matrix keyboard and display are connected with the second controller respectively.
Optionally, in above-mentioned piano automatic Playing test device, first controller is digital signal processor, institute
Second controller is stated for single-chip microcomputer, the digital signal processor is connected with the single-chip microcomputer.
Optionally, in above-mentioned piano automatic Playing test device, the piano player includes drive circuit
And key control device, the second controller is connected with the drive circuit, and the drive circuit is controlled with the key
Device is connected, and the key control device includes multiple electromagnetic devices and multiple magnetic sheets, the drive circuit and each electricity
Magnetic device is connected, and the electromagnetic device is corresponded with the magnetic sheet, and the magnetic sheet is arranged at the piano key near described
The side of the keyboard frame of piano, the electromagnetic device is arranged at the keyboard frame of the piano and the correspondence position of the piano key
Place.
The second controller controls the logical of each electromagnetic device according to the qin spectrum information by the drive circuit
Power-off, when each electromagnetic device is powered, adsorbs the magnetic sheet of the piano key corresponding position, makes the piano of the setting magnetic sheet
Button sends musical notes.
Optionally, in above-mentioned piano automatic Playing test device, the magnetic sheet is low-carbon (LC) steel disc, and the electromagnetic device is
Sucked type electromagnet, the length of the sucked type electromagnet is identical with the length of the low-carbon (LC) steel disc.
Also a kind of piano automatic Playing method of testing of the present invention, is applied to above-mentioned piano automatic Playing test device, institute
Stating piano and testing playing method automatically includes：
After the completion of the initialization of piano automatic Playing test device, human-computer interaction device receives input signal and transmission is to the
Two controllers；
The second controller obtains qin spectrum letter corresponding with the input signal according to the input signal from memory
Sent after breath to the first controller, the qin spectrum information includes multiple note informations for arranging in order；
The second controller control piano player makes according to the multiple note information for arranging in order
Corresponding piano key sends musical notes；
Note signal acquisition device obtains the musical notes and obtains playing information and send to first controller；
First controller is matched note information and playing information corresponding with the qin spectrum information, when matching not
When consistent, the playing information is sent to the human-computer interaction device.
Optionally, in above-mentioned piano automatic Playing method of testing, first controller by note information and with the qin
The step of corresponding playing information of spectrum information is matched includes：
Analog-to-digital conversion is carried out to the playing information and timing sampling is carried out obtaining sample frequency；
Fast Fourier Transform (FFT) is carried out to the sample frequency and obtains original frequency；
Choosing band Fourier transformation is carried out to the original frequency to obtain playing frequency；
The note information includes note frequencies and note duration, and the playing information includes playing duration, described first
Controller by the note frequencies and it is corresponding with the note frequencies performance frequency matched, by note duration and with the note
The corresponding duration of playing of duration is matched.
The present invention provide a kind of piano automatic Playing test device and method, by set note signal acquisition device,
First controller, second controller, memory and human-computer interaction device, the first controller connect with note signal acquisition device
Connect, second controller is connected respectively with the first controller, memory, human-computer interaction device and piano player, can be real
The test of automatic Playing accuracy and reliability is now carried out to piano.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only section Example of the invention, thus be not construed as it is right
The restriction of the scope of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other related accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of piano automatic Playing test device provided in an embodiment of the present invention.
Fig. 2 is a kind of structural representation of key control device provided in an embodiment of the present invention.
Fig. 3 is a kind of another structured flowchart of piano automatic Playing test device provided in an embodiment of the present invention.
Fig. 4 is a kind of flow chart of piano automatic Playing method of testing provided in an embodiment of the present invention.
Fig. 5 is the sub-step schematic diagram of step S50 in Fig. 4.
Icon：100- piano automatic Playing test devices；110- note signal acquisition devices；112- microphones；114- shapings
Circuit；The controllers of 120- first；130- second controllers；140- memories；150- human-computer interaction devices；200- pianos are drilled automatically
Play device；220- drive circuits；240- key control devices；242- electromagnetic devices；244- magnetic sheets；300- piano keys；400-
Keyboard frame.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme applied to the present invention in example is clearly and completely described, it is clear that described embodiment is this
A part of embodiment is invented, rather than whole embodiments.The embodiment of the present invention generally described and illustrated in accompanying drawing herein
Component can arrange and design with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can be
Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
As shown in figure 1, the embodiment of the present invention provides a kind of structured flowchart of piano automatic Playing test device 100, it is described
Piano automatic Playing test device 100 includes：Note signal acquisition device 110, the first controller 120, second controller 130,
Memory 140 and human-computer interaction device 150, first controller 120 are connected with the note signal acquisition device 110,
The second controller 130 and first controller 120, memory 140, human-computer interaction device 150 and piano automatic Playing
Device 200 is connected respectively.
Incorporated by reference to Fig. 2, the human-computer interaction device 150 receives input signal and sends to the second controller 130, institute
State second controller 130 and obtain qin spectrum letter corresponding with the input signal from the memory 140 according to the input signal
Cease and send to first controller 120, the qin spectrum information includes multiple note informations for arranging in order, described second
It is corresponding that controller 130 controls the piano player 200 to be made according to the multiple note information for arranging in order
Piano key 300 sends musical notes.
When controlling the piano player 200 to carry out qin spectrum automatic Playing, the note signal acquisition device
110 obtain the musical notes obtains playing information and sends to first controller 120, and first controller 120 will
Note information and playing information corresponding with the qin spectrum information are matched, and when matching inconsistent, the playing information are sent
To the human-computer interaction device 150.
It is the test for being capable of achieving to carry out piano automatic Playing accuracy and reliability by above-mentioned setting, and plays prompting
Effect.
Incorporated by reference to Fig. 3, the input information that the human-computer interaction device 150 is received can be the piano song name of user input
Claim.The human-computer interaction device 150 can be but not limited to liquid crystal touch screen or including display and key board, as long as can
Information and being capable of display information is input into the second controller 130 by the human-computer interaction device 150.In this implementation
Example, the human-computer interaction device 150 includes display and key board.Optionally, the key board is matrix keyboard.
Optionally, the piano player 200 includes drive circuit 220 and key control device 240, described
Second controller 130 is connected with the drive circuit 220, and the drive circuit 220 is connected with the key control device 240,
The key control device 240 includes multiple electromagnetic devices 242 and multiple magnetic sheets 244, and the drive circuit 220 is described with each
Electromagnetic device 242 is connected, and the electromagnetic device 242 is corresponded with the magnetic sheet 244, and the magnetic sheet 244 is arranged at the steel
Qin button 300 is arranged at the keyboard frame of the piano near the side of the keyboard frame 400 of the piano, the electromagnetic device 242
400 with the corresponding position of the piano key 300.
The second controller 130 controls each electromagnetic device according to the qin spectrum information by the drive circuit 220
The power on/off of part 242, when each electromagnetic device 242 is powered, adsorbs the magnetic sheet 244 of the corresponding position of piano key 300,
The piano key 300 of the setting magnetic sheet 244 is set to send musical notes.
The electromagnetic device 242 can be electromagnet, specifically, the electromagnet is sucked type electromagnet.By described
Drive circuit 220 loads the driving voltage of 12V or 24V to the electromagnet, and the electromagnetic device 242 is produced in the case of energization
Suction is adsorbing the corresponding magnetic sheet 244 of the electromagnetic device 242.The magnetic sheet 244 can be low-carbon (LC) steel disc, the magnetic sheet 244
Length can be that identical can also be different from the length of the electromagnetic device 242.The magnetic sheet 244 in the present embodiment
Length it is identical with the length of the electromagnetic device 242.
First controller 120 and second controller 130 are a kind of IC chip, the treatment energy with signal
Power.Can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc..Can also be digital signal processor (DSP), application specific integrated circuit (ASIC), ready-made
Programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic, discrete hardware group
Part.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.General processor can be with
It is microprocessor, or any conventional processor etc..In the present embodiment, the data signal of the first controller 120
Processor, the second controller 130 is single-chip microcomputer.
Optionally, first controller 120 is connected with the data storage and program storage of outside extension, for depositing
The data produced in storage test program and test process.The second controller 130 has communication interface and multiple input and output
Interface, can realize communicating and controlling piano player 200 to realize piano automatic Playing with host computer.
The memory 140 can be but not limited to random access memory (Random Access Memory, RAM),
Read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
In the present embodiment, the memory 140 is used for storage program and various qin spectrum informations.The memory 140 is storage card, institute
State storage card to be detachably connected with the controller, specifically, the controller is connected with draw-in groove, the storage card is removably
It is arranged in the draw-in groove.
Wherein described note signal acquisition device 110 can include but is not limited to microphone or sound pick-up, as long as can obtain
The musical notes of piano.In the present embodiment, the note signal acquisition device 110 includes microphone 112, the microphone
112 are connected with first controller 120, the performance sound of the piano key 300 during the reception piano automatic Playing of the microphone 112
It is converted into playing information and sends to first controller 120.
Optionally, the note signal acquisition device 110 also includes signal transformation circuit 114, and the microphone 112 passes through institute
State signal transformation circuit 114 to be connected with first controller 120, the microphone 112 receives key during piano automatic Playing
Sound is played, and is sent to the signal transformation circuit 114,114 pairs of electricity of the signal transformation circuit after being converted into electric signal
Signal process and obtains playing information and send to first controller 120.The signal transformation circuit 114 is used for electricity
Signal carries out primary amplification, filtering, main amplification and amplitude limit and sends to the first controller 120.
Optionally, the note information include note frequencies and note duration, the playing information include play frequency and
Duration is played, first controller 120 is matched the note frequencies and performance frequency corresponding with the note frequencies,
Note duration and performance duration corresponding with the note duration are matched, when the note frequencies and the performance frequency are matched
When inconsistent and/or described note duration matches inconsistent with the performance duration, by playing information and the corresponding sound of playing information
Symbol information is sent to the human-computer interaction device 150, when matching consistent, is left intact.The playing information includes steel
Qin key information.Cause that the test of the piano automatic Playing test device 100 is better by above-mentioned setting, and then ensure
Piano realizes the better of automatic Playing.
On the basis of the above, the present invention also provides a kind of piano automatic Playing method of testing, and the piano automatic Playing is surveyed
Method for testing is realized based on the piano player 200.The piano automatic Playing method includes：
Step S10：Human-computer interaction device 150 receives input signal and sends to second controller 130.
Wherein, above-mentioned steps have been initialized in piano automatic Playing test device 100 and piano player 200
Carried out after, the input signal can be piano music title.
Step S20：The second controller 130 is obtained and input letter according to the input signal from memory 140
Sent to the first controller 120 after number corresponding qin spectrum information.
Optionally, the qin spectrum information is staff information, and the qin spectrum information includes multiple notes for arranging in order
Information.
Step S30：The control piano player 200 of the second controller 130 is arranged in order according to the multiple
The note information of row makes corresponding piano key 300 send musical notes.
Step S40：Note signal acquisition device 110 obtains the musical notes and obtains playing information and send to described the
One controller 120.
The note signal acquisition device 110 includes microphone 112 and shaping circuit 114, and the microphone 112 is used to obtain steel
The performance sound of qin simultaneously obtains playing information by shaping circuit 114.
Step S50：First controller 120 carries out note information and playing information corresponding with the qin spectrum information
Match somebody with somebody, when matching inconsistent, the playing information is sent to the human-computer interaction device 150.
Optionally, first controller 120 carries out note information and playing information corresponding with the qin spectrum information
With the step of include：
Sub-step S51：Analog-to-digital conversion is carried out to the playing information and timing sampling is carried out obtaining sample frequency.
Wherein, the time of timing sampling can be arbitrary, be chosen according to actual conditions.
Sub-step S52：Fast Fourier Transform (FFT) is carried out to the sample frequency and obtains original frequency.
Sub-step S53：Choosing band Fourier transformation is carried out to the original frequency to obtain playing frequency.
The note information includes note frequencies and note duration, and the playing information includes playing duration.
Sub-step S54：First controller 120 is by the note frequencies and performance frequency corresponding with the note frequencies
Matched, note duration and performance duration corresponding with the note duration are matched.
Matched with the performance duration when the note frequencies and the performance frequency match inconsistent and/or described note duration
When inconsistent, playing information and the corresponding note information of playing information are sent to the human-computer interaction device 150.Optionally,
The playing information includes the information of piano key 300.
To sum up, a kind of piano automatic Playing test device provided in an embodiment of the present invention and method, are applied to include piano
The piano of automatic performance device 200 and multiple piano keys 300.Piano automatic Playing test device 100 is believed by setting note
Number acquisition device 110, the first controller 120, second controller 130, memory 140 and human-computer interaction device 150 can be realized
The test of automatic Playing accuracy and reliability is carried out to piano.Further, the note signal acquisition device 110 is set
The accuracy of piano automatic Playing test is effectively improved for microphone 112 and signal transformation circuit 114, so as to ensure piano appliance for releasing single
The accuracy played.
In embodiment provided by the present invention, it should be understood that disclosed method, device, it is also possible to by other
Mode realize.Device embodiment described above is only schematical, for example, the flow chart and block diagram in accompanying drawing show
The architectural framework in the cards of devices in accordance with embodiments of the present invention, method and processor program product, function and behaviour
Make.At this point, each square frame in flow chart or block diagram can represent a part for module, program segment or code, institute
Stating a part for module, program segment or code is used for the executable instruction of the logic function that realization specifies comprising one or more.
It should also be noted that in some are as the implementation replaced, the function of being marked in square frame can also be with different from accompanying drawing
The order for being marked occurs.
If the function is to realize in the form of software function module and as independent production marketing or when using, can be with
Storage is in a processor read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, at this
The software product storage of reason device is in a storage medium, including some instructions are used to so that a processor device (can be individual
People's processor, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
It should be noted that herein, such as first and second or the like relational terms are used merely to an entity or behaviour
Make with another entity or operation make a distinction, and not necessarily require or imply these entities or operate between exist it is any this
Plant actual relation or order.And, term " including " or any other variant be intended to including for nonexcludability, from
And the process, method, article or the equipment that include a series of key elements is not only included those key elements, but also including not bright
Other key elements really listed, or it is this process, method, article or the intrinsic key element of equipment also to include.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that the process including the key element,
Also there is other identical element in method, article or equipment.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of piano automatic Playing test device, is applied to include the steel of piano player and multiple piano keys
Qin, it is characterised in that the piano automatic Playing test device includes：Note signal acquisition device, the first controller, the second control
Device processed, memory and human-computer interaction device, first controller are connected with the note signal acquisition device, and described second
Controller is connected respectively with first controller, memory, human-computer interaction device and piano player；
The human-computer interaction device receives input signal and sends to the second controller, and the second controller is according to
Input signal obtains qin spectrum information corresponding with the input signal from the memory and sends to first controller, institute
Stating qin spectrum information includes multiple note informations for arranging in order, and the second controller controls the piano player
Corresponding piano key is set to send musical notes according to the multiple note information for arranging in order；
When controlling the piano player to carry out qin spectrum automatic Playing, the note signal acquisition device obtains described
Musical notes obtain playing information and send to first controller, and first controller is composed by note information and with the qin
The corresponding playing information of information is matched, and when matching inconsistent, the playing information is sent to the human-computer interaction device.
2. piano automatic Playing test device according to claim 1, it is characterised in that the note information includes note
Frequency and note duration, the playing information include play frequency and play duration, first controller by the note frequently
Rate and performance frequency corresponding with the note frequencies are matched, by note duration and performance duration corresponding with the note duration
Matched, when the note frequencies and the performance frequency match inconsistent and/or described note duration and the performance duration
With it is inconsistent when, playing information and the corresponding note information of playing information are sent to the human-computer interaction device, the performance
Information includes piano key information.
3. piano automatic Playing test device according to claim 1, it is characterised in that the note signal acquisition device
Including microphone, the microphone is connected with first controller, the piano key during microphone reception piano automatic Playing
Sound is played to be converted into playing information and send to first controller.
4. piano automatic Playing test device according to claim 3, it is characterised in that the note signal acquisition device
Also include signal transformation circuit, the microphone is connected by the signal transformation circuit with first controller, the microphone
Key when receiving piano automatic Playing is played sound and is sent to the signal transformation circuit, the signal after being converted into electric signal
Shaping circuit to the electric signal process and obtains playing information and send to first controller.
5. piano automatic Playing test device according to claim 1, it is characterised in that the human-computer interaction device includes
Matrix keyboard and display, the matrix keyboard and display are connected with the second controller respectively.
6. piano automatic Playing test device according to claim 1, it is characterised in that first controller is numeral
Signal processor, the second controller is single-chip microcomputer, and the digital signal processor is connected with the single-chip microcomputer.
7. piano automatic Playing test device according to claim 1, it is characterised in that the piano player
Including drive circuit and key control device, the second controller is connected with the drive circuit, the drive circuit with
The key control device connection, the key control device includes multiple electromagnetic devices and multiple magnetic sheets, the driving electricity
Road is connected with each electromagnetic device, and the electromagnetic device is corresponded with the magnetic sheet, and the magnetic sheet is arranged at the piano
Button near the side of the keyboard frame of the piano, the electromagnetic device be arranged at the keyboard frame of the piano and the piano by
The corresponding position of key；
The second controller controls the power on/off of each electromagnetic device according to the qin spectrum information by the drive circuit,
When each electromagnetic device is powered, the magnetic sheet of the piano key corresponding position is adsorbed, make the piano key of the setting magnetic sheet
Send musical notes.
8. piano automatic Playing test device according to claim 7, it is characterised in that the magnetic sheet is low-carbon (LC) steel disc,
The electromagnetic device is sucked type electromagnet, and the length of the sucked type electromagnet is identical with the length of the low-carbon (LC) steel disc.
9. a kind of piano automatic Playing method of testing, is applied to the piano automatic Playing described in any one of claim 1-8 and surveys
Trial assembly is put, it is characterised in that the piano tests playing method automatically to be included：
After the completion of the initialization of piano automatic Playing test device, human-computer interaction device receives input signal and sends to the second control
Device processed；
After the second controller obtains qin spectrum information corresponding with the input signal according to the input signal from memory
Send to the first controller, the qin spectrum information includes multiple note informations for arranging in order；
The second controller control piano player makes correspondence according to the multiple note information for arranging in order
Piano key send musical notes；
Note signal acquisition device obtains the musical notes and obtains playing information and send to first controller；
First controller is matched note information and playing information corresponding with the qin spectrum information, inconsistent when matching
When, the playing information is sent to the human-computer interaction device.
10. piano automatic Playing method of testing according to claim 9, it is characterised in that first controller is by sound
The step of symbol information and playing information corresponding with the qin spectrum information are matched includes：
Analog-to-digital conversion is carried out to the playing information and timing sampling is carried out obtaining sample frequency；
Fast Fourier Transform (FFT) is carried out to the sample frequency and obtains original frequency；
Choosing band Fourier transformation is carried out to the original frequency to obtain playing frequency；
The note information includes note frequencies and note duration, and the playing information includes playing duration, first control
Device by the note frequencies and it is corresponding with the note frequencies performance frequency matched, by note duration and with the note duration
Corresponding performance duration is matched.
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