CN108847205A - A kind of number mouth organ - Google Patents
A kind of number mouth organ Download PDFInfo
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- CN108847205A CN108847205A CN201810534368.4A CN201810534368A CN108847205A CN 108847205 A CN108847205 A CN 108847205A CN 201810534368 A CN201810534368 A CN 201810534368A CN 108847205 A CN108847205 A CN 108847205A
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- mouth organ
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Classifications
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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
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
- G10H3/16—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a reed
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D7/00—General design of wind musical instruments
- G10D7/12—Free-reed wind instruments
- G10D7/14—Mouth-organs
-
- 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
- G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
- G10H1/0058—Transmission between separate instruments or between individual components of a musical system
- G10H1/0066—Transmission between separate instruments or between individual components of a musical system using a MIDI interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The present invention discloses a kind of digital mouth organ, obtains sampled value by photo resistance, obtains atmospheric pressure value by baroceptor；Scale information is obtained using sampled value by microprocessor, atmospheric pressure value is converted to the trim values of wave volume, completes the acquisition to playing information；It the playing information by blue tooth interface is packaged as Bluetooth protocol is transferred on the source of sound synthesizer that playing information is handled and played, realize and play in real time.The present invention can carry out digital quantization processing by performance parameter of the sensor to player, then be sent in audio synthesizer by parameter is played by Bluetooth wireless transmission, audio synthesizer is played in real time according to parameter is played, to realize digital performance purpose；It is small in size, easy to carry and can be realized digital instrument playing function.
Description
Technical field
The invention belongs to musical instrument technical fields, more particularly to a kind of digital mouth organ.
Background technique
Since digital musical instrument emerges, digital musical instrument product at present on the market is varied, but for hand-held digital
Musical instrument never has too many product and emerges, the reason is that digital musical instrument volume is larger, can not design in lesser space.
Mouth organ is a kind of relatively simple musical instrument, popular higher and easy to carry；But will not in the prior art
Mouth organ realizes biometrics design, cannot achieve mouth organ playing progress digital function switching, be unable to get more effective application.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of digital mouth organ, player can be drilled by sensor
It plays parameter and carries out digital quantization processing, then be sent in audio synthesizer by parameter is played by Bluetooth wireless transmission,
Audio synthesizer is played in real time according to parameter is played, to realize digital performance purpose；Number mouth organ proposed by the present invention
It is small in size, easy to carry and can be realized digital instrument playing function.
In order to achieve the above objectives, the technical solution adopted by the present invention is that：A kind of number mouth organ, including mouth organ terminal and source of sound
Synthesizer, the mouth organ terminal include mouth organ ontology, photo resistance, ADC sampler, baroceptor, microprocessor and bluetooth
Interface；
The mouth organ ontology includes multiple sound holes, is provided with photo resistance inside each sound hole；And the sound hole it
Between be provided with the channel of cross connection sound hole, the end point in the channel is provided with baroceptor, the channel is by breath
It is transferred on baroceptor；The photo resistance is connected to microprocessor, the baroceptor and indigo plant by ADC sampler
Tooth interface is connected to microprocessor；
Sampled value is obtained by photo resistance, atmospheric pressure value is obtained by baroceptor；Sampling is utilized by microprocessor
Value obtains scale information, and atmospheric pressure value is converted to the trim values of wave volume, completes the acquisition to playing information；By the performance
Information by blue tooth interface is packaged as Bluetooth protocol and is transferred on the source of sound synthesizer that playing information is handled and played,
It realizes and plays in real time；The baroceptor of MEMS can be used in baroceptor.
Further, the mouth organ terminal further includes controlling potential device, key and liquid crystal display；The controlling potential
Device is arranged in mouth organ side, realizes the audio regulatory function of mouth organ；The key and liquid crystal display are arranged on mouth organ, institute
The man-machine interface that key and liquid crystal display are formed is stated, realizes the operation of mouth organ function point analysis.
Further, the controlling potential device is roller type potentiometer, the roller type potentiometer, which rolls, generates simulation
Voltage is sampled by ADC, sends audio MIDI control information to the source of sound synthesizer, by source of sound by microprocessor processes
Synthesizer adjusts play sound effect；The audio MIDI control information includes glide, trill, tenuto and keeps sound.
Further, collected playing information is packaged as bluetooth MIDI agreement by the blue tooth interface is transferred to source of sound
Synthesizer；Bluetooth receiving end is provided in the source of sound synthesizer, the bluetooth receiving end is decoded using BLE-MIDI, passed through
Bluetooth holotype is decoded BLE, is common MIDI agreement by bluetooth MIDI protocol conversion, and MIDI data is transferred to
MIDI source of sound is played；The MIDI source of sound is MIDI chip, realizes the conversion of MIDI data to audio.
Further, carrying out processing to playing information on the source of sound synthesizer includes mouth organ tamber transformation, mouth organ class
Type functional mapping harmony accompaniment functional mapping；
The mouth organ tamber transformation：Bluetooth MIDI information is converted into common MIDI information in bluetooth receiving end, and will be general
Logical MIDI information input source of sound adjusts source of sound real-time implementation and plays tamber transformation；
The mouth organ type of functionality transformation：The mouth organ of each sound hole pressure-vaccum relationship is set up for various mouth organ types in advance
Type modulator；It selects mouth organ type different by user, matches progress MIDI letter after different mouth organ type modulators is tabled look-up
Breath is sent, and realizes the functional shift of mouth organ type；
The mouth organ control function transformation：The control of semitone mouth organ：Two mouth organ modulators are set for semitone mouth organ, in mouth
Semitone switching key is arranged in the side of qin ontology, carries out semitone handoff functionality；It is inquired after pressing semitone switching key by switching
Another mouth organ modulator carries out the transmission of MIDI information, realizes the switching of semitone mouth organ；
The harmony accompaniment function：Chord key is provided on the mouth organ ontology；It is sent and is ordered by chord key
It tables look-up to preset chord modulator, realizes harmony accompaniment.
Further, the mouth organ tamber transformation, plays control information control wave table by the mouth organ of MIDI transmission and broadcasts
It puts；Including step：
Tone color control wave table is pre-established, stores mouth organ, piano, accordion and guitar sound respectively in tone color control wave table
The audio sample waveform of color；
Audio frequency, envelope and dynamic place are carried out while broadcasting by MIDI information to corresponding audio sample waveform
Reason, real-time implementation are played the tone color including mouth organ, piano, accordion and guitar and are played.
Further, 3 chord keys of 3 chord keys and right side setting are arranged in mouth organ ontology upper left side；Left hand
Press the i.e. changeable chord of corresponding chord key respectively with the right hand.
Further, selecting mouth organ type to obtain modulator by user, judge whether modulator changes：If hair
It is raw to change, it is sent by bluetooth and opens scale and close scale order to source of sound synthesizer；If not changing, acquisition control electricity
Position device value, recording respiration controlling value, and controlling value is sent to source of sound synthesizer by bluetooth.
Using the beneficial effect of the technical program：
The present invention can carry out digital quantization processing to the performance parameter of player by sensor, then by bluetooth without
Line transmission be sent in audio synthesizer by parameter is played, and audio synthesizer is played in real time according to parameter is played, from
And realize digital performance purpose；
The present invention is small in size, easy to carry, makes to play the removable of broadcasting and can be realized digital instrument playing function；
The present invention has tone color selection function：Player can need to carry out musical instrument modification according to performance, so that mouth organ is not
It is merely able to the tone color of blowout mouth organ, tone color can also be selected as electronic organ；With control function：In addition to the traditional gas of mouth organ
Breath control is outer, can design idler wheel in right-hand man and control glide, trill, tenuto and other effects；With handoff functionality：Pass through control plane
Mouth organ can be switching to a variety of mouth organ forms such as Bruce, semitone, C tune, D tune or E tune by plate；Has the function of harmony accompaniment：
Player can choose 6 chords (, from a left side be directly blown onto the right side when playing by finger key switching, when playing wind instruments or from a left side
It is drawn onto right realization harmony accompaniment.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of mouth organ terminal in the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of mouth organ terminal in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of digital mouth organ in the embodiment of the present invention；
Fig. 4 is a kind of principle flow chart of digital mouth organ in the embodiment of the present invention；
Wherein, 1 is mouth organ ontology, and 2 be sound hole, and 3 be photo resistance, and 4 be channel, and 5 be baroceptor, and 6 be control electricity
Position device, 7 be liquid crystal display, and 8 be semitone switching key, and 9 be chord key.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made into one with reference to the accompanying drawing
Step illustrates.
In embodiment sheet, referring to figures 1-3 shown in, the invention proposes a kind of digital mouth organ, including mouth organ terminal and
Source of sound synthesizer, the mouth organ terminal include mouth organ ontology 1, photo resistance 3, ADC sampler, baroceptor 5, microprocessor
And blue tooth interface；
The mouth organ ontology 1 includes multiple sound holes 2, is provided with photo resistance 3 inside each sound hole 2；And the sound
It is provided with the channel 4 of cross connection sound hole 2 between hole 2, the end point in the channel 4 is provided with baroceptor 5, it is described logical
Breath is transferred on baroceptor 5 by road 4；The photo resistance 3 is connected to microprocessor, the gas by ADC sampler
Pressure sensor 5 and blue tooth interface are connected to microprocessor；
Sampled value is obtained by photo resistance 3, atmospheric pressure value is obtained by baroceptor 5；It utilizes and adopts by microprocessor
Sample value obtains scale information, and atmospheric pressure value is converted to the trim values of wave volume, completes the acquisition to playing information；It is drilled described
Information is played by blue tooth interface to be packaged as Bluetooth protocol and be transferred on the source of sound synthesizer that playing information is handled and broadcast
It puts, realizes and play in real time；The case where baroceptor 5 that MEMS can be used in baroceptor 5 can experience air-breathing and blow.
As the prioritization scheme of above-described embodiment, as shown in Figure 1, the mouth organ terminal further includes controlling potential device 6, key
With liquid crystal display 7；The controlling potential device 6 is arranged in mouth organ side, realizes the audio regulatory function of mouth organ；The key
It is arranged on mouth organ with liquid crystal display 7, the man-machine interface that the key and liquid crystal display 7 are formed realizes mouth organ function tune
Section operation.
The controlling potential device 6 is roller type potentiometer, and the roller type potentiometer rolls generation analog voltage amount and passes through
ADC sampling sends audio MIDI control information to the source of sound synthesizer by microprocessor processes, is adjusted by source of sound synthesizer
Play sound effect；The audio MIDI control information includes glide, trill, tenuto and keeps sound.
As the prioritization scheme of above-described embodiment, collected playing information is packaged as bluetooth MIDI by the blue tooth interface
Agreement is transferred to source of sound synthesizer；Bluetooth receiving end is provided in the source of sound synthesizer, the bluetooth receiving end uses
BLE-MIDI decoding, is decoded BLE by bluetooth holotype, is common MIDI agreement by bluetooth MIDI protocol conversion, and
MIDI data is transferred to MIDI source of sound to play；The MIDI source of sound is MIDI chip, realizes that MIDI data arrives audio
Conversion.
As the prioritization scheme of above-described embodiment, carrying out processing to playing information on the source of sound synthesizer includes mouth organ sound
Colour change, mouth organ type of functionality convert harmony accompaniment functional mapping；
The mouth organ tamber transformation：Bluetooth MIDI information is converted into common MIDI information in bluetooth receiving end, and will be general
Logical MIDI information input source of sound adjusts source of sound real-time implementation and plays tamber transformation；
The mouth organ type of functionality transformation：The mouth of each 2 pressure-vaccum relationship of sound hole is set up for various mouth organ types in advance
Qin type modulator；It selects mouth organ type different by user, matches after different mouth organ type modulators is tabled look-up and carry out MIDI
Information is sent, and realizes the functional shift of mouth organ type；
The mouth organ control function transformation：The control of semitone mouth organ：Two mouth organ modulators are set for semitone mouth organ, in mouth
Semitone switching key 8 is arranged in the side of qin ontology 1, carries out semitone handoff functionality；It is looked into after pressing semitone switching key 8 by switching
It askes another mouth organ modulator and carries out the transmission of MIDI information, realize the switching of semitone mouth organ；
The harmony accompaniment function：Chord key 9 is provided on the mouth organ ontology 1；It is sent and is ordered by chord key 9
Order tables look-up to preset chord modulator, realizes harmony accompaniment.
Wherein, the mouth organ tamber transformation plays control information by the mouth organ of MIDI transmission and controls wave table broadcasting；Including
Step：
Tone color control wave table is pre-established, stores mouth organ, piano, accordion and guitar sound respectively in tone color control wave table
The audio sample waveform of color；
Audio frequency, envelope and dynamic place are carried out while broadcasting by MIDI information to corresponding audio sample waveform
Reason, real-time implementation are played the tone color including mouth organ, piano, accordion and guitar and are played.
As the prioritization scheme of above-described embodiment, 3 chord keys 9 and right side setting 3 are set in 1 upper left side of mouth organ ontology
A chord key 9；Left hand and the right hand press the i.e. changeable chord of corresponding chord key 9 respectively.
As the prioritization scheme of above-described embodiment, selects mouth organ type to obtain modulator by user, judge that modulator is
It is no to change：If changing, is sent by bluetooth and open scale and close scale order to source of sound synthesizer；If not occurring
Change, 6 value of acquisition control potentiometer, recording respiration controlling value, and controlling value is sent to source of sound synthesizer by bluetooth.
In order to better understand the present invention, primary complete description is made to the working principle of the invention below：
As shown in figure 4, photo resistance 3 can block when the mouth of people is when playing wind instruments, the sound hole 2 for blocking strongest resistance is done
For the scale position of performance, while the case where baroceptor 5 can experience player's breath, due to MEMS (microelectromechanicpositioning
The baroceptor of system, the sensor are a kind of chips, and what can be done is very small) baroceptor 5 can experience air-breathing
Judge to play wind instruments scale, and the dynamics that can will be played wind instruments with the case where the case where air blowing (generating positive and negative voltage), cooperating photo resistance
Sampling, gets the acquisition data of scale and breath.It selects mouth organ type to obtain modulator by user, whether judges modulator
It changes：If changing, is sent by bluetooth and open scale and close scale order to source of sound synthesizer；If not changing
Become, 6 value of acquisition control potentiometer, recording respiration controlling value, and controlling value is sent to source of sound synthesizer by bluetooth.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of number mouth organ, which is characterized in that including mouth organ terminal and source of sound synthesizer, the mouth organ terminal includes mouth organ sheet
Body (1), photo resistance (3), ADC sampler, baroceptor (5), microprocessor and blue tooth interface；
The mouth organ ontology (1) includes multiple sound holes (2), is provided with photo resistance (3) inside each sound hole (2)；And institute
The channel (4) for being provided with cross connection sound hole (2) between sound hole (2) is stated, the end point of the channel (4) is provided with air pressure transmission
Breath is transferred on baroceptor (5) by sensor (5), the channel (4)；The photo resistance (3) is connected by ADC sampler
It is connected to microprocessor, the baroceptor (5) and blue tooth interface are connected to microprocessor；
Sampled value is obtained by photo resistance (3), obtains atmospheric pressure value by baroceptor (5)；It utilizes and adopts by microprocessor
Sample value obtains scale information, and atmospheric pressure value is converted to the trim values of wave volume, completes the acquisition to playing information；It is drilled described
Information is played by blue tooth interface to be packaged as Bluetooth protocol and be transferred on the source of sound synthesizer that playing information is handled and broadcast
It puts, realizes and play in real time.
2. a kind of digital mouth organ according to claim 1, which is characterized in that the mouth organ terminal further includes controlling potential device
(6), key and liquid crystal display (7)；Controlling potential device (6) setting realizes that the audio of mouth organ is adjusted in mouth organ side
Function；The key and liquid crystal display (7) are arranged on mouth organ, the man-machine boundary that the key and liquid crystal display (7) are formed
The operation of mouth organ function point analysis is realized in face.
3. a kind of digital mouth organ according to claim 2, which is characterized in that the controlling potential device (6) is roller type electricity
Position device, the roller type potentiometer, which rolls, generates analog voltage amount by ADC sampling, sends audio by microprocessor processes
MIDI controls information to the source of sound synthesizer, adjusts play sound effect by source of sound synthesizer；The audio MIDI controls packet
It includes glide, trill, tenuto and keeps sound.
4. a kind of digital mouth organ according to claim 3, which is characterized in that the blue tooth interface believes collected performance
Breath is packaged as bluetooth MIDI agreement and is transferred to source of sound synthesizer；Bluetooth receiving end is provided in the source of sound synthesizer, it is described
Bluetooth receiving end is decoded using BLE MIDI, is decoded by bluetooth holotype to BLE, is general by bluetooth MIDI protocol conversion
Logical MIDI agreement, and MIDI data is transferred to MIDI source of sound and is played；The MIDI source of sound is MIDI chip, realizes MIDI
Conversion of the data to audio.
5. a kind of digital mouth organ according to claim 4, which is characterized in that on the source of sound synthesizer to playing information into
Row processing includes mouth organ tamber transformation, mouth organ type of functionality transformation harmony accompaniment functional mapping；
The mouth organ tamber transformation：Bluetooth MIDI information is converted into common MIDI information in bluetooth receiving end, and will be common
MIDI information input source of sound adjusts source of sound real-time implementation and plays tamber transformation；
The mouth organ type of functionality transformation：The mouth organ of each sound hole (2) pressure-vaccum relationship is set up for various mouth organ types in advance
Type modulator；It selects mouth organ type different by user, matches progress MIDI letter after different mouth organ type modulators is tabled look-up
Breath is sent, and realizes the functional shift of mouth organ type；
The mouth organ control function transformation：The control of semitone mouth organ：Two mouth organ modulators are set for semitone mouth organ, in mouth organ sheet
Semitone switching key (8) are arranged in the side of body (1), carry out semitone handoff functionality；Pass through switching after pressing semitone switching key (8)
It inquires another mouth organ modulator and carries out the transmission of MIDI information, realize the switching of semitone mouth organ；
The harmony accompaniment function：Chord key (9) are provided on the mouth organ ontology (1)；It is sent by chord key (9)
Order tables look-up to preset chord modulator, realizes harmony accompaniment.
6. a kind of digital mouth organ according to claim 5, which is characterized in that the mouth organ tamber transformation is passed by MIDI
Defeated mouth organ is played control information control wave table and is played；Including step：
Tone color control wave table is pre-established, stores mouth organ, piano, accordion and guitar tone color respectively in tone color control wave table
Audio sample waveform；
Audio frequency, envelope and dynamic processing are carried out while broadcasting by MIDI information to corresponding audio sample waveform,
Real-time implementation is played the tone color including mouth organ, piano, accordion and guitar and is played.
7. a kind of digital mouth organ according to claim 5, which is characterized in that mouth organ ontology (1) upper left side be arranged 3 and
3 chord keys (9) of string key (9) and right side setting；Left hand and the right hand press respectively corresponding chord key (9) it is i.e. changeable and
String.
8. a kind of digital mouth organ according to claim 5, which is characterized in that select mouth organ type to obtain scale by user
Table, judges whether modulator changes：If changing, is sent by bluetooth and open scale and close scale order to source of sound
Synthesizer；If not changing, acquisition control potentiometer (6) value, recording respiration controlling value, and controlling value is sent extremely by bluetooth
Source of sound synthesizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534368.4A CN108847205B (en) | 2018-05-29 | 2018-05-29 | Digital harmonica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534368.4A CN108847205B (en) | 2018-05-29 | 2018-05-29 | Digital harmonica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108847205A true CN108847205A (en) | 2018-11-20 |
| CN108847205B CN108847205B (en) | 2020-04-24 |
Family
ID=64209954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810534368.4A Active CN108847205B (en) | 2018-05-29 | 2018-05-29 | Digital harmonica |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956944A (en) * | 2019-12-12 | 2020-04-03 | 刘钊 | External intelligent accompaniment equipment for harmonica |
| TWI741675B (en) * | 2020-07-13 | 2021-10-01 | 高頓科技有限公司 | Human-machine sensor input component and human-machine sensor input system |
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|---|---|---|---|---|
| CN110956944A (en) * | 2019-12-12 | 2020-04-03 | 刘钊 | External intelligent accompaniment equipment for harmonica |
| TWI741675B (en) * | 2020-07-13 | 2021-10-01 | 高頓科技有限公司 | Human-machine sensor input component and human-machine sensor input system |
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| CN108847205B (en) | 2020-04-24 |
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