CN106652979A - Intelligent speech piano system capable of scoring and videoing - Google Patents
Intelligent speech piano system capable of scoring and videoing Download PDFInfo
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- CN106652979A CN106652979A CN201611023784.5A CN201611023784A CN106652979A CN 106652979 A CN106652979 A CN 106652979A CN 201611023784 A CN201611023784 A CN 201611023784A CN 106652979 A CN106652979 A CN 106652979A
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- controller
- intelligent sound
- acquisition module
- scored
- display screen
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000001228 spectrum Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZYXYTGQFPZEUFX-UHFFFAOYSA-N benzpyrimoxan Chemical compound O1C(OCCC1)C=1C(=NC=NC=1)OCC1=CC=C(C=C1)C(F)(F)F ZYXYTGQFPZEUFX-UHFFFAOYSA-N 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- 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
- 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
- G10H2240/281—Protocol or standard connector for transmission of analog or digital data to or from an electrophonic musical instrument
- G10H2240/311—MIDI transmission
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention discloses an intelligent speech piano system capable of scoring and videoing. A display screen is connected with a controller through an HDMI interface. A piano keyboard is connected with a detection sensor. The detection sensor is connected with the controller through an MIDI interface. A speaker is connected with an audio amplifier which is connected with an audio coder. The audio code is connected with an MIDI synthesizer which is connected with the controller through the MIDI interface. A camera is connected with the controller. An RAM memory is integrated on the controller. A speech recognition system is connected with the controller. A microphone is connected with the speech recognition system. A real-time music score acquisition module is connected with the detection sensor. A standard network music score acquisition module is connected with the controller. The real-time music score acquisition module and the standard network music score acquisition module are connected with a scoring detection module. The scoring detection module is connected with the display screen.
Description
Technical field
The present invention relates to piano field, in particular a kind of intelligent sound piano system scored with video.
Background technology
Piano is a kind of keyboard instrument, pulls hammer to beat string with key.Since 18 end of the centurys, in Europe and U.S.
State, piano is always topmost family's keyboard instrument.Piano rises in Europe, and 18 beginnings of the century, Italian Chris is more
A kind of keyboard musical instrument of the similar modern piano of Fo Li inventions.So far the history of more than 300 years is had.From keyboard instrument development
History for, modern piano is by the predecessor of piano --- with the harpsichord of pronunciation of manipulating the strings with hit string pronunciation little harpsichord drill
Enter.From 16 end of the centurys, harpsichord and clavichord both keyboard instruments gradually come into one's own, until 18 generation
Ji Mo, is just replaced by piano.Piano comes across first 1709, is a kind of complex and costly musical instrument at that time, only
There is royal and noble just to have an opportunity to touch.At the beginning, (John Sebastian Bach) etc. some are very reputable
Musicians and the tone color of inappreciation piano.But half a century is only spent, piano just becomes to be becoming increasingly popular.Work as Mozart
The musician of (Mozart), Brahms (Brahms) and liszt (Liszt) these great creativities puts into the bosom of piano
Afterwards, enthusiasm is just instantaneously detonated.In that age at that time, these new master pianists are general just as " Rock Star ", they
The tremendous influence power brought is to make something perfect even more perfect to musical composition, is that the development of piano is filled with powerful strength.It is royal and
Noble one after another piano, include in their band by this musical instrument, and the common people can sit around in piano surrounding, listens to newest creation
Graceful melody.The rise of industrial age derives a newly-emerged social stratum --- and middle class, piano is big in this colony
For prevalence.Wherein grand piano is the symbol of social statuss, and in being generally used for orchestra, and upright piano is then more by family
Welcome.With the development in epoch, the Internet is increasingly popularized, and based on this, now studies a kind of intelligent sound scored with video
Piano system, can better meet the experience in the vision and tactile of user.
The content of the invention
Present invention aim to address at present piano without and the Internet combine not enough intelligence the shortcomings of, propose one kind more
Plus intelligence, vision and tactile preferably can score the intelligent sound piano system with video.
To achieve these goals, technical scheme is as follows：A kind of intelligent sound piano scored with video
System, it is characterised in that including controller, display screen, fingerboard, MIDI synthesizer, audio coder, audio frequency amplifier,
Speaker, photographic head, detection sensor, RAM memory, speech recognition system, mike, real-time qin spectrum acquisition module, standard
Network qin spectrum acquisition module, scoring detection module, the display screen is connected by HDMI with controller, the fingerboard
It is connected with detection sensor, the detection sensor is connected by midi interface with controller, the speaker amplifies with audio frequency
Device is connected, and the audio frequency amplifier is connected with audio coder, and the audio coder is connected with MIDI synthesizer, the MIDI
Synthesizer is connected by midi interface with controller, and the photographic head is connected with controller, is integrated with RAM on the controller and is deposited
Reservoir, the speech recognition system is connected with controller, and the mike is connected with speech recognition system, and the real-time qin spectrum is adopted
Collection module is connected with detection sensor, and the standard network qin spectrum acquisition module is connected with controller, the real-time qin spectrum collection
Module is connected with standard network qin spectrum acquisition module with scoring detection module, and the scoring detection module is connected with display screen,
The speech recognition system includes phonetic incepting circuit, R8C Single Chip Microcomputer (SCM) system, DC source, host computer, the phonetic incepting electricity
The input on road is connected with mike, and the other end is connected with R8C Single Chip Microcomputer (SCM) system, is connected with the R8C Single Chip Microcomputer (SCM) system
Position machine, controller, DC source, the host computer collection signal is simultaneously connected with controller control.
Further, the speaker is two respectively positioned at the both sides of display screen.
Further, also including USB interface, the USB interface is installed on controller.
Further, also including earphone interface, the earphone interface is installed on controller.
Further, the display screen is 23 inches of intelligent lifting type Touch screens.
Further, also including actuator, the actuator is installed on display screen side, and the actuator is provided with a liter screen
Button, drop screen button, volume strengthen button, volume down button, and the actuator is connected with controller.
Further, also including system switching, the system switching is connected with controller.
Further, also including bluetooth module, on the embedded controller of the bluetooth module.
Further, the fingerboard is that 88 bonding force degree sense Weight type standard fingerboard.
Further, the method for work of the speech recognition system is comprised the following steps：
1) start button is clicked on, in system start-up；
2) welcome to enter intelligent sound piano system, please say needs the instruction of operation；
3) by microphone input operational order；
4) during system is for your switching, please wait a moment；
5) please determine whether operation interface is correct；
6) correctly return to step 2 and mourn in silence, mistake returns to step 3 and continues through microphone input operational order.
Beneficial effect
It is seen that 23 inches of Intelligent touch screens, select to need what is played by Touch screen after the opening of the present invention
Song and the music score of Chinese operas, follow rhythm and picture, and you just easily play out pleasing to the ear piano accompaniment or melody, by Bluetooth of mobile phone and steel
Qin bluetooth can realize the shared and interaction of information, and photographic head records the picture and sound played, by speech recognition system
The voice operating instruction of identifying user mike, it is convenient and swift, oneself score is shown on a display screen by marking system, from
And the accuracy in pitch degree oneself played is can be seen that, and there is extremely strong audition to experience in vision and tactile, speech recognition system is carried
Independent singlechip controller and independent current source, improve the work efficiency and discrimination, accuracy rate of intelligent piano voice system.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
The speech recognition system workflow diagram of Fig. 2 present invention；
The structured flowchart of the speech recognition system of Fig. 3 present invention.
Specific embodiment
Effect to make the architectural feature to the present invention and reached has a better understanding and awareness, to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
With reference to Fig. 1, Fig. 3：A kind of intelligent sound piano system scored with video, including controller, display screen, piano
Keyboard, MIDI synthesizer, audio coder, audio frequency amplifier, speaker, photographic head, detection sensor, RAM memory, voice
Identifying system, mike, real-time qin spectrum acquisition module, standard network qin spectrum acquisition module, scoring detection module, display screen passes through
HDMI is connected with controller, and fingerboard is connected with detection sensor, and detection sensor is by midi interface and controller
It is connected, speaker is connected with audio frequency amplifier, and audio frequency amplifier is connected with audio coder, audio coder and MIDI synthesizer
It is connected, MIDI synthesizer is connected by midi interface with controller, and photographic head is connected with controller, and RAM is integrated with controller
Memorizer, speech recognition system is connected with controller, and mike is connected with speech recognition system, and real-time qin composes acquisition module with inspection
Survey sensor to be connected, standard network qin spectrum acquisition module is connected with controller, real-time qin spectrum acquisition module is composed with standard network qin
Acquisition module is connected with scoring detection module, and scoring detection module is connected with display screen, and the speech recognition system includes language
Sound receiving circuit, R8C Single Chip Microcomputer (SCM) system, DC source, host computer, input and Mike's wind facies of the phonetic incepting circuit
Even, the other end is connected with R8C Single Chip Microcomputer (SCM) system, and in the R8C Single Chip Microcomputer (SCM) system host computer, controller, DC source are connected with,
The host computer collection signal is simultaneously connected with controller control.
Further, speaker is two respectively positioned at the both sides of display screen.
Further, also including USB interface, USB interface is installed on controller.
Further, also including earphone interface, earphone interface is installed on controller.
Further, display screen is 23 inches of intelligent lifting type Touch screens.
Further, also including actuator, actuator is installed on display screen side, and actuator is provided with a liter screen button, drop
Screen button, volume strengthen button, volume down button, and actuator is connected with controller.
Further, also including system switching, system switching is connected with controller.
Further, also including bluetooth module, on the embedded controller of bluetooth module.
Further, fingerboard is that 88 bonding force degree sense Weight type standard fingerboard.
Referring to Fig. 2：The method of work of speech recognition system is comprised the following steps：
1) start button is clicked on, in system start-up；
2) welcome to enter intelligent sound piano system, please say needs the instruction of operation；
3) by microphone input operational order；
4) during system is for your switching, please wait a moment；
5) please determine whether operation interface is correct；
6) correctly return to step 2 and mourn in silence, mistake returns to step 3 and continues through microphone input operational order.
The operation principle of the present invention：Detection sensor (can be pressure contact sensor) detects the moving situation of key,
And the motor message for detecting is sent to controller processed, the motor message after process is passed through midi interface by controller
Send to MIDI synthesizer, MIDI synthesizer is by the motor message after process and tamber data Composite tone analogue signal and sends
To audio coder, audio analog signals are carried out coding and generate audio digital signals and send to audio frequency amplification by audio coder
Audio digital signals are amplified and are sent to speaker by device, audio frequency amplifier, and speaker plays the audio digital signals after amplifying,
Speech recognition system identifying user voice operating is instructed, and real-time qin spectrum acquisition module will be played with standard network qin spectrum acquisition module
The key information of person is contrasted with standard network qin spectrum, and by scoring, detection module calculates scoring according to certain standard meter, and
Shown by display, photographic head records the picture and sound played.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
The simply present invention of the personnel it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention the present invention also have various changes and modifications, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appending claims and its
Equivalent is defined.
Claims (10)
1. a kind of intelligent sound piano system scored with video, it is characterised in that including controller, display screen, piano key
Disk, MIDI synthesizer, audio coder, audio frequency amplifier, speaker, photographic head, detection sensor, RAM memory, voice are known
Other system, mike, real-time qin spectrum acquisition module, standard network qin spectrum acquisition module, scoring detection module, the display screen leads to
Cross HDMI to be connected with controller, the fingerboard is connected with detection sensor, the detection sensor is connect by MIDI
Mouth is connected with controller, and the speaker is connected with audio frequency amplifier, and the audio frequency amplifier is connected with audio coder, described
Audio coder is connected with MIDI synthesizer, and the MIDI synthesizer is connected by midi interface with controller, the photographic head
It is connected with controller, RAM memory is integrated with the controller, the speech recognition system is connected with controller, the wheat
Gram wind is connected with speech recognition system, and the real-time qin spectrum acquisition module is connected with detection sensor, and the standard network qin is composed
Acquisition module is connected with controller, and the real-time qin spectrum acquisition module detects mould with standard network qin spectrum acquisition module with scoring
Block is connected, and the scoring detection module is connected with display screen, and the speech recognition system includes phonetic incepting circuit, R8C monolithics
Machine system, DC source, host computer, the input of the phonetic incepting circuit is connected with mike, the other end and R8C single-chip microcomputers
System is connected, and host computer, controller, DC source are connected with the R8C Single Chip Microcomputer (SCM) system, and the host computer collection signal is simultaneously
It is connected with controller control.
2. the intelligent sound piano system scored with video according to claim 1, it is characterised in that the speaker
For two respectively positioned at the both sides of display screen.
3. the intelligent sound piano system scored with video according to claim 1, it is characterised in that also including USB
Interface, the USB interface is installed on controller.
4. the intelligent sound piano system scored with video according to claim 1, it is characterised in that also including earphone
Interface, the earphone interface is installed on controller.
5. the intelligent sound piano system scored with video according to claim 1, it is characterised in that the display screen
For 23 inches of intelligent lifting type Touch screens.
6. the intelligent sound piano system scored with video according to claim 1, it is characterised in that also including regulation
Device, the actuator is installed on display screen side, the actuator be provided with a liter screen button, drop screen button, volume strengthen button,
Volume down button, the actuator is connected with controller.
7. the intelligent sound piano system scored with video according to claim 1, it is characterised in that also including system
Switch, the system switching is connected with controller.
8. the intelligent sound piano system scored with video according to claim 1, it is characterised in that also including bluetooth
Module, on the embedded controller of the bluetooth module.
9. the intelligent sound piano system scored with video according to claim 1, it is characterised in that the piano key
Disk is that 88 bonding force degree sense Weight type standard fingerboard.
10. the intelligent sound piano system scored with video according to claim 1, it is characterised in that the voice
The method of work of identifying system is comprised the following steps：
1) start button is clicked on, in system start-up；
2) welcome to enter intelligent sound piano system, please say needs the instruction of operation；
3) by microphone input operational order；
4) during system is for your switching, please wait a moment；
5) please determine whether operation interface is correct；
6) correctly return to step 2 and mourn in silence, mistake returns to step 3 and continues through microphone input operational order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023784.5A CN106652979A (en) | 2016-11-17 | 2016-11-17 | Intelligent speech piano system capable of scoring and videoing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023784.5A CN106652979A (en) | 2016-11-17 | 2016-11-17 | Intelligent speech piano system capable of scoring and videoing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106652979A true CN106652979A (en) | 2017-05-10 |
Family
ID=58807537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611023784.5A Withdrawn CN106652979A (en) | 2016-11-17 | 2016-11-17 | Intelligent speech piano system capable of scoring and videoing |
Country Status (1)
| Country | Link |
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| CN (1) | CN106652979A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705659A (en) * | 2017-11-16 | 2018-02-16 | 江门市星望教育科技有限公司 | A kind of long-range Piano Teaching system |
| CN108992836A (en) * | 2018-08-07 | 2018-12-14 | 六安市叶集区未名教育科技有限公司 | A kind of New infant education multi-function exercising blanket |
| CN109427222A (en) * | 2017-08-29 | 2019-03-05 | 诺云科技（武汉）有限公司 | A kind of intelligent Piano Teaching system and method based on cloud platform |
| CN109427322A (en) * | 2017-08-29 | 2019-03-05 | 诺云科技（武汉）有限公司 | A kind of intelligent piano for capableing of remote teaching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155890A (en) * | 2014-05-29 | 2014-11-19 | 南昌大学 | Speech recognition control switch system |
| JP2015132696A (en) * | 2014-01-10 | 2015-07-23 | ヤマハ株式会社 | speech recognition method |
| WO2015192674A1 (en) * | 2014-06-20 | 2015-12-23 | 北京趣乐科技有限公司 | Intelligent piano and system |
| CN205541832U (en) * | 2016-04-14 | 2016-08-31 | 安徽克洛斯威智能乐器科技有限公司 | Intelligence piano system with grade and video function |
-
2016
- 2016-11-17 CN CN201611023784.5A patent/CN106652979A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015132696A (en) * | 2014-01-10 | 2015-07-23 | ヤマハ株式会社 | speech recognition method |
| CN104155890A (en) * | 2014-05-29 | 2014-11-19 | 南昌大学 | Speech recognition control switch system |
| WO2015192674A1 (en) * | 2014-06-20 | 2015-12-23 | 北京趣乐科技有限公司 | Intelligent piano and system |
| CN205541832U (en) * | 2016-04-14 | 2016-08-31 | 安徽克洛斯威智能乐器科技有限公司 | Intelligence piano system with grade and video function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427222A (en) * | 2017-08-29 | 2019-03-05 | 诺云科技（武汉）有限公司 | A kind of intelligent Piano Teaching system and method based on cloud platform |
| CN109427322A (en) * | 2017-08-29 | 2019-03-05 | 诺云科技（武汉）有限公司 | A kind of intelligent piano for capableing of remote teaching |
| CN107705659A (en) * | 2017-11-16 | 2018-02-16 | 江门市星望教育科技有限公司 | A kind of long-range Piano Teaching system |
| CN108992836A (en) * | 2018-08-07 | 2018-12-14 | 六安市叶集区未名教育科技有限公司 | A kind of New infant education multi-function exercising blanket |
| CN108992836B (en) * | 2018-08-07 | 2020-08-14 | 金华澜皓商贸有限公司 | Multifunctional exercise blanket for preschool education |
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