CN110189733A - Piano training mate wearable device based on MQTT agreement - Google Patents
Piano training mate wearable device based on MQTT agreement Download PDFInfo
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- CN110189733A CN110189733A CN201910529665.4A CN201910529665A CN110189733A CN 110189733 A CN110189733 A CN 110189733A CN 201910529665 A CN201910529665 A CN 201910529665A CN 110189733 A CN110189733 A CN 110189733A
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- fingering
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- 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
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
-
- 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
- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/461—Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal
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- Computer Networks & Wireless Communication (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Auxiliary Devices For Music (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention discloses the piano training mate wearable devices based on MQTT agreement, including auxiliary wearable device, intelligent piano equipment and MQTT server end, the scheme that publication combines is subscribed to by MQTT using " intellectualized module is integrated into a kind of specific aim wearable device " and " with main body intelligence fender processing unit ", and the mode of " external restraint " and " inherent error correction ", achieve the purpose that solve fingering training；The present invention can help beginner in learning process early period by external ancillary equipment, guarantee that hand-type, arm reach the posture of standard, and brain memory is gradually formed in permanent accumulation, basic training is more sturdy, in addition, for specific music score, learner is in first practice, in conjunction with the help of intelligent piano notation reading unit and wearable device, ten finger touching sequences can be accurately positioned, and substantially reduce the error rate of practice.
Description
Technical field
The present invention relates to musical instrument training mate technical fields, more particularly to the piano training mate wearable device based on MQTT agreement.
Background technique
Currently, music formative education is getting faster in the speed of the universal aspect of cultural spreading, using divide analog circuit as
The electronic organ of core technology is born, and reduces the purchase cost of true piano, subsequent people are again based on the electronics for not hitting string sense of touch
Qin is played back to hitting string and carry out physics sampling and digital processing using digital sampling techniques, simulates dynamics, the speed of piano counterweight
It spends and hits chord joint and play, the height that electronic organ rises to digital piano is imitated to the product of mechanical piano.Although this behave is in certain journey
Guarantee pianotron playing technique on degree and hit string feel and drawn close to mechanical piano, but goes out from the conceptual point of intelligent piano
Hair, does not have the characteristics of intelligent training still.Until 2008, the intelligent processing unit of intelligent piano occurred, depend on by
The digital piano of basic function forms sensing layer as intelligent carrier, and complicated analog circuit unit integrated network originally drives single
Member shares consolidated network environment and forms network layer, and application layer can pass through the intelligent handheld device (plate, mobile phone etc.) of operator
Application operating is carried out, to realize the Intelligent treatments operations such as error correction, identification of spectrogram, song analysis.Although this is solved to a certain extent
Intelligent interaction, but the constraint of the basic training such as basic piano performance fingering, hand-type is still unable to satisfy.It is same with this
When, the MQTT mechanics of communication of the sensor technology and network interaction of more serving human-computer interaction also reaches its maturity.In this back
Under scape, how to combine based on basic intelligent piano unit, make a kind of Intelligent auxiliary equipment, help through the steel to practitioner
The external restraint of qin basic training thoroughly gets rid of artificial continual guard, to be formed, efficient, practice is become as urgently in real time
It solves the problems, such as.
Summary of the invention
In view of the above-mentioned problems, solving the invention proposes the piano training mate wearable device based on MQTT agreement and passing through wound
Build the problem of script label realizes the repetitive requests being likely to occur when dynamically load js resource.
The present invention through the following technical solutions to achieve the above objectives:
Piano training mate wearable device based on MQTT agreement, comprising:
MQTT Client1- assists wearable device, and the auxiliary wearable device includes:
<1>wearable device: fine using high-tension mesh according to the size of fitting hand according to the crowd of all age group
It ties up material production hand and wears module, while each joint referred in right-hand man ten, the biggish patch of additional mechanical tension；
The solid support device with soft protection pad is used at arm, level holds practitioner's forearm, and extends in end
Adjustable bandage out may be respectively used in fixed arm and waist；
<2>touching sensor touching sensor: is installed in the finger belly of both-handed eight-finger；
<3>intelligent processing unit: acting on touching sensor by keystroke when practice and generate uneven output, embedding with 32
Enter formula CPU, as the micro process hardware cell controled and assisted system operation, this output signal is received by integrated chip and is arrived
Up to memory, embedded system needs memory to store and execute code；The memory of embedded system includes Cache, master
It deposits and additional storage, when needing to carry out data read operation, microprocessor reads data from Cache；
<4>vibrational feedback device: ten groups of small-sized vibrational feedback devices are integrated below both hands wearing gloves, the device is by wearing
Equipment power supply is worn, and work is driven by intelligent processing unit, for being reminded in time the mistake occurred in fingering draining；
<5>distribution subscription music score of Chinese operas information: assisting the intelligent processing unit of wearable device, installs the application journey of piano practice
Sequence, the application subscription play table from the correct fingering for the specific music score of Chinese operas that intelligent piano is issued, which is according to the music score of Chinese operas
Beat and trifle, the specific keystroke finger serial number of generation；If player is not according to correct sequence, i.e., without using correct
Note-fingering corresponding relationship carries out keystroke, then the fingering sequence and comparison that the keystroke information that piezoresistance sensor transmits generates
Sequence misfits, it will driving vibrational feedback device generates vibration reaction to the fingering of mistake, and practitioner is enable to perceive in time simultaneously
And it is corrected；
MQTT Client2- intelligence piano equipment, the intelligence piano equipment include:
<1>identification of spectrogram unit: the unit includes music score of Chinese operas library and interaction typing two parts, and music is imparted rudimentary knowledge to beginners and piano test for confirmation of the grade is more
The music score of Chinese operas information in a stage does fingering mark one by one, and note-fingering corresponding informance of each first music score of Chinese operas is stored, together
When, it wrirtes music for relatively inclined song or practitioner oneself, this unit is equipped with typing mode, and typing mode is opened, and practices
Wearable device can be used in habit person, and by the note information of the song by playing typing, and this unit can be stored and be dressed by subscribing to
Fingering sequence message, note information and the beat information that equipment is sent finally refer to according to the note that these information generate standard
Method stave is finally stored to music score of Chinese operas library, for the subsequent use of practitioner；
<2>error correction unit: when playing specified song by wearable device, which can transfer the note-of this song first
Fingering corresponding sequence information, intelligent processing unit subscribe to the fingering keystroke message of wearable device publication, are parsed into same format
Then keystroke sequence compares, to the wrong fingering keystroke of generation, make red mark to note at this on the screen；
<3>distribution subscription music score of Chinese operas information: this link and wearable device subscribe to publication inverse process each other, by intelligent processing unit
It is note fingering sequence that the application program integrated, which defines issuing subject Topic, which is worn device intelligence processing unit
Subscription, practitioner is in use, piano smart machine application program establishes network connection, hair by proxy server and wearing facility
Cloth music score of Chinese operas fingering message, wearable device, which is subscribed to, receives this message generation subsequent feedback；
MQTT server end is built:
A MQTT server is built using the mosquitto open source projects of lightweight, specific step is as follows；
Step 1: one linux host of installation, prototype installation, which can be used, also can be used virtual machine installation；
Step 2: the support that downloading mosquitto needs:
Step 3: downloading mosquitto and decompressing；
Step 4: compiling；
Step 5: starting mosquitto；
Further scheme is that the MQTT server uses publish/subscribe massage pattern, provides one-to-many message hair
Cloth provides network connection using TCP/IP.
The beneficial effects of the present invention are:
Not only built-in corresponding intelligent processing unit driver is communicated equipment of the invention with piano main body, provides reading
The fundamental operations such as spectrum, in real time practice, adjustment beat, rhythm, modified tone, while the also correct fingering letter of external publication current title
Breath, it is more intelligent；Intelligent cell is rationally disposed inside fender, so that the assisted learning intelligence that piano main body necessitates
The carrier of application；
The intelligent piano Integrated Solution of the prior art, can not be for fundamental importances such as hand-type, sitting postures common to habit qin person
It is constrained, and must be by training organization or personal coach's manual correction, limitation is larger, and this set wearable device, is
It on the basis of guaranteeing internal intelligent drives, externally uses restraint, it is artificial to may make that the habit qin person of each independent exercise is detached from
Constraint, forms condition using accumulated time span as basic training；The present invention realizes be adapted with ergonomics, high-efficiency precision
The external wearable device of true correction hand-type, sitting posture；
Piano practice is all a successional process each time, and existing intelligence piano scheme only relies on and practises qin person
It itself goes to actively discover mistake, can not accomplish during quick keystroke, find fingering mistake in time.And the base of this set equipment
The software scenario of publication is subscribed in MQTT, record feedback in real time can be carried out in local area network for each note, complete fingering
It corrects, the real-time and low latency of external equipment feedback, accomplishes that " i.e. wrong to entangle " reduces and play mistake.
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
In required practical attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the present embodiment
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
Its embodiment belongs to the range that the present invention is protected.
In any embodiment, as shown in Figure 1, the piano training mate wearable device of the invention based on MQTT agreement, comprising:
MQTT Client1- assists wearable device, and the auxiliary wearable device includes:
<1>wearable device: fine using high-tension mesh according to the size of fitting hand according to the crowd of all age group
It ties up material production hand and wears module, facilitate long periods of wear, and carry out prolonged high lift and refer to that touching is practiced, while in left and right
Each joint that hand ten refers to, the biggish patch of additional mechanical tension prevent in piano practice, piano practicer frequently occurs in this way
It collapses the wrong gesture of finger；
The solid support device with soft protection pad is used at arm, level holds practitioner's forearm, and extends in end
Adjustable bandage out, may be respectively used in fixed arm and waist, and practitioner when in use, needs first to fill two arm fixations
The bandage for setting place is lockked from rear neck end, and when guaranteeing practice, two arms naturally horizontally, prevent both arms in piano practice from driving wrist
The incorrect posture hung down to below key occurs；
<2>it touching sensor: is installed in the finger belly (except two thumbs, because thumb is with outside keystroke) of both-handed eight-finger
Resistor stripe is integrated in monocrystalline silicon membrane on piece using integrated technique, silicon pressure drag core is made by touching sensor (piezoresistive transducer)
Piece, and the periphery of this chip is fixed and is packaged in below both hands wearing gloves, organ learner directly can be experienced by silicon diaphragm in this way
Pressure change when keystroke, piezoresistive transducer are passed through on the substrate of semiconductor material according to the piezoresistive effect of semiconductor material
Diffusion resistance and manufactured device；Its substrate can be connected into electric bridge shape directly as measurement sensing element, diffusion resistance in substrate
Formula, when substrate is generated deformation by external force, each resistance value will change, and electric bridge will generate corresponding imbalance
Output is combined closely finally by with embedded intelligence processing unit (described below), this output information of real-time collecting, judgement
The fingering sequence and power of keystroke；
<3>intelligent processing unit: acting on touching sensor by keystroke when practice and generate uneven output, embedding with 32
Enter formula CPU, as the micro process hardware cell controled and assisted system operation, this output signal is received by integrated chip and is arrived
Up to memory, embedded system needs memory to store and execute code；The memory of embedded system includes Cache, master
It deposits and additional storage, when needing to carry out data read operation, microprocessor reads data from Cache, rather than from master
Middle reading is deposited, the performance of system is thus substantially improved, improves the message transmission rate between microprocessor and main memory.It is main
Depositing is register that embedded microprocessor can be accessed directly, is used to store system and the program and data of user.Auxiliary storage
Device is used to store the program code or information of big data quantity, its capacity is big but reading speed with main memory compared with regard to slow very much,
For the information of long-term preservation user.When in view of practical piano practice, need keystroke sequence, dynamics and speed and master in real time
The communication of body fender, therefore this set equipment still uses Cache memory read/write from the information that the reception of keystroke sensor comes, in case after
It is continuous to be communicated with intelligent piano main body intelligent object；
<4>vibrational feedback device: ten groups of small-sized vibrational feedback devices are integrated below both hands wearing gloves, the device is by wearing
Equipment power supply is worn, and work is driven by intelligent processing unit, for being reminded in time the mistake occurred in fingering draining；
<5>distribution subscription music score of Chinese operas information: assisting the intelligent processing unit of wearable device, installs the application journey of piano practice
Sequence, the application subscription play table from the correct fingering for the specific music score of Chinese operas that intelligent piano is issued, which is according to the music score of Chinese operas
Beat and trifle, the specific keystroke finger serial number of generation；If player is not according to correct sequence, i.e., without using correct
Note fingering corresponding relationship carries out keystroke, then the fingering sequence and comparison sequence that the keystroke information that piezoresistance sensor transmits generates
Column are misfitted, it will driving vibrational feedback device to mistake fingering generate vibration reaction, enable practitioner perceive in time and
It is corrected；For example, if providing, the trifle successively uses hand thumb, index finger to tri- notes of do-re-mi of Mr. Yu's music score of Chinese operas
With middle finger keystroke, then 1-2-3 Serial No. (left hand is recorded using negative) can be generated, the sequence is by as the theme finally customized
Load is issued by the intelligent processing unit of intelligent piano, is bridged by MQTT proxy server, subscribe to the wearable device of the theme
Intelligent processing unit is received and parsed through, is stored, and sequence is contrasted.If player is not according to correct sequence at this time,
I.e. without carrying out keystroke using correct note-fingering corresponding relationship, then the keystroke information that piezoresistance sensor transmits generates
Fingering sequence with comparison sequence misfit, it will driving vibrational feedback device to mistake fingering generate vibration reaction, make to practice
Habit person can perceive and be corrected in time；
MQTT Client2- intelligence piano equipment need to be integrated novel embedded based on traditional fender internal structure
Microprocessor, the processor need to be the data record specific customization generated during piano performance, support the installation of application program
Achieve the purpose that music score of Chinese operas processing, error correcting and carries out playing information communication with wearable device；
It is described intelligence piano equipment include:
<1>identification of spectrogram unit: the unit includes music score of Chinese operas library and interaction typing two parts, and music is imparted rudimentary knowledge to beginners and piano test for confirmation of the grade is more
The music score of Chinese operas information in a stage does fingering mark one by one, and note-fingering corresponding informance of each first music score of Chinese operas is stored, and practices
Person can be practiced with the song that quick-searching is specified, meanwhile, relatively inclined song or practitioner oneself are made
Song, this unit are equipped with typing mode, and typing mode is opened, and practitioner can be used wearable device, the note information of the song is led to
Performance typing is crossed, and this unit can store fingering sequence message, note information and the beat sent by subscribing to wearable device
Information finally generates note-fingering stave of standard according to these information, finally stores to music score of Chinese operas library, make for practitioner is subsequent
With；
<2>error correction unit: when playing specified song by wearable device, which can transfer the note-of this song first
Fingering corresponding sequence information, intelligent processing unit subscribe to the fingering keystroke message of wearable device publication, are parsed into same format
Then keystroke sequence compares, to the wrong fingering keystroke of generation, make red mark to note at this on the screen, convenient
Practitioner's timely correction；
<3>distribution subscription music score of Chinese operas information: this link and wearable device subscribe to publication inverse process each other, by intelligent processing unit
It is note fingering sequence that the application program integrated, which defines issuing subject Topic, which is worn device intelligence processing unit
Subscription, practitioner is in use, piano smart machine application program establishes network connection, hair by proxy server and wearing facility
Cloth music score of Chinese operas fingering message, wearable device, which is subscribed to, receives this message generation subsequent feedback；
MQTT server end is built:
MQTT agreement is widely applied Internet of Things fidonetFido, and the agency of MQTT is needed using test MQTT agreement.There are two types of
Method is serviced using MQTT, first is that renting ready-made MQTT server, such as Ali's cloud, Baidu's cloud, the common cloud such as Huawei's cloud is flat
The MQTT service that platform provides, the benefit using common MQTT server is to save trouble, but if being used only for test study also needs
Account number, flexibility difference are registered, some platforms also need to pay.Another method is that oneself is taken using the MQTT component of open source
It builds.MQTT server is very more, such as ActiveMQ, emtqqd, HiveMQ, Emitter, the Mosquitto of apache,
Moquette etc..The application builds a MQTT server, the MQTT clothes using the mosquitto open source projects of lightweight
Device be engaged in using publish/subscribe massage pattern, one-to-many news release is provided, TCP/IP is used to provide network connection, it is specific to walk
It is rapid as follows；
Step 1: one linux host of installation, prototype installation, which can be used, also can be used virtual machine installation；
Step 2: the support that downloading mosquitto needs:
sudo apt-get install libssl-dev；
sudo apt-get install uuid-dev；
sudo apt-get install cmake；
Step 3: downloading mosquitto and decompressing；
Step 4: compiling；
cd mosquitto-1.5.4/；
make；
make install；
Step 5: starting mosquitto；
mosquitto-v；
1535473957:mosquitto version 1.5.1starting；
1535473957:Using default config.
1535473957:Opening ipv4 listen socket on port 1883.
1535473957:Opening ipv6 listen socket on port 1883.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.Various embodiments of the present invention can be combined randomly, only
Want it without prejudice to thought of the invention, it should also be regarded as the disclosure of the present invention.
Claims (2)
1. the piano training mate wearable device based on MQTT agreement characterized by comprising
MQTT Client1- assists wearable device, and the auxiliary wearable device includes:
<1>wearable device: according to the crowd of all age group, according to the size of fitting hand, using high-tension mesh fabric material
Matter makes hand and wears module, while each joint referred in right-hand man ten, the biggish patch of additional mechanical tension；
The solid support device with soft protection pad is used at arm, level holds practitioner's forearm, and extending in end can
The bandage of adjusting may be respectively used in fixed arm and waist；
<2>touching sensor touching sensor: is installed in the finger belly of both-handed eight-finger；
<3>intelligent processing unit: acting on touching sensor by keystroke when practice and generate uneven output, embedded with 32
CPU is received this output signal and is reached and deposited as the micro process hardware cell controled and assisted system operation by integrated chip
Reservoir, embedded system need memory to store and execute code；The memory of embedded system include Cache, main memory and
Additional storage, when needing to carry out data read operation, microprocessor reads data from Cache；
<4>vibrational feedback device: integrating ten groups of small-sized vibrational feedback devices below both hands wearing gloves, which is set by dressing
Available electricity, and work is driven by intelligent processing unit, for being reminded in time the mistake occurred in fingering draining；
<5>distribution subscription music score of Chinese operas information: assisting the intelligent processing unit of wearable device, installs the application program of piano practice, should
The correct fingering of the specific music score of Chinese operas that application subscription is issued from intelligent piano plays table, the table be according to the beat of the music score of Chinese operas and
Trifle, the specific keystroke finger serial number of generation；If player is not according to correct sequence, i.e., without using correct note-
Fingering corresponding relationship carries out keystroke, then the fingering sequence and comparison sequence that the keystroke information that piezoresistance sensor transmits generates are not
It coincide, it will driving vibrational feedback device generates vibration reaction to the fingering of mistake, and practitioner is enable to perceive and be subject in time
It corrects；
MQTT Client2- intelligence piano equipment, the intelligence piano equipment include:
<1>identification of spectrogram unit: the unit includes music score of Chinese operas library and interaction typing two parts, for music initiation and the multiple ranks of piano test for confirmation of the grade
The music score of Chinese operas information of section does fingering mark one by one, and the note fingering corresponding informance of each first music score of Chinese operas is stored, meanwhile, for
Relatively inclined song or practitioner oneself composition, this unit are equipped with typing mode, and typing mode is opened, and practitioner can
Using wearable device, by the note information of the song by playing typing, and this unit can be stored by subscribing to wearable device hair
Fingering sequence message, note information and the beat information sent finally are composed according to note-fingering that these information generate standard
Table is finally stored to music score of Chinese operas library, for the subsequent use of practitioner；
<2>error correction unit: when playing specified song by wearable device, which can transfer the note fingering pair of this song first
Sequence information is answered, intelligent processing unit subscribes to the fingering keystroke message of wearable device publication, is parsed into the keystroke sequence of same format
Column, then compare, to the wrong fingering keystroke of generation, make red mark to note at this on the screen；
<3>distribution subscription music score of Chinese operas information: this link and wearable device subscribe to publication inverse process each other, are collected by intelligent processing unit
At application program define issuing subject Topic be note fingering sequence, the sequence be worn device intelligence processing unit subscription,
For practitioner in use, piano smart machine application program is established and is connected to the network by proxy server and wearing facility, publication is bent
Fingering message is composed, wearable device, which is subscribed to, receives this message generation subsequent feedback；
MQTT server end:
A MQTT server is built using the mosquitto open source projects of lightweight, specific step is as follows；
Step 1: one linux host of installation, prototype installation, which can be used, also can be used virtual machine installation；
Step 2: the support that downloading mosquitto needs:
Step 3: downloading mosquitto and decompressing；
Step 4: compiling；
Step 5: starting mosquitto.
2. the piano training mate wearable device based on MQTT agreement as described in claim 1, which is characterized in that the MQTT server
Using publish/subscribe massage pattern, one-to-many news release is provided, provides network connection using TCP/IP.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111723938A (en) * | 2020-05-06 | 2020-09-29 | 华南理工大学 | Piano fingering automatic generation method based on fingering rules and reinforcement learning |
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