CN202042171U - Multifunctional electronic sheet music - Google Patents
Multifunctional electronic sheet music Download PDFInfo
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- CN202042171U CN202042171U CN2011200892725U CN201120089272U CN202042171U CN 202042171 U CN202042171 U CN 202042171U CN 2011200892725 U CN2011200892725 U CN 2011200892725U CN 201120089272 U CN201120089272 U CN 201120089272U CN 202042171 U CN202042171 U CN 202042171U
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Abstract
A multifunctional electronic sheet music comprises a structural component, a display terminal and a control system. The display terminal and the control system are arranged inside the structural component, and the control system is connected with the display terminal. The control system comprises a central processor, a memory, a music reading recognizing module, a synchronous music tracking display module, a power supply module, an input/output interface circuit and a page flipping control module. The power supply module provides power for the control system. The memory, the music reading recognizing module, the synchronous music tracking display module, the power supply module, the input/output interface circuit and the page flipping control module are connected with the central processor which outputs a control signal to the synchronous music tracking display module, the memory, the power supply module and the input/output interface circuit. The multifunctional electronic sheet music automatically recognizes the music piece and the standard music piece in real time, displays the music piece in the display module, and meanwhile, accentuates the chapters where mistakes are made.
Description
Technical field
The utility model relates to audio collection and field of audio processing, and feature provided a kind of have can show that qin spectrum, page turning, musical notes are followed the tracks of synchronously and the multifunction electronic qin spectral apparatus of miscue function.
Background technology
The page adhesion that traditional papery qin spectrum may take place in player's page turning process such as knocks at awkward situation.
Summary of the invention
Technical matters: the utility model purpose is the qin spectrum that energy quickly and conveniently turning pages in the instrument playing process is provided for the player, realize the identification and the demonstration of music score simultaneously, and flash synchronously or the current happy symbol of playing of form such as variable color sign, realize that musical notes follows the tracks of synchronously.To flash or the variable color prompting non-compliant musical notes.
Technical scheme:
A kind of Multifunction mellotron spectrum comprises structure member, display terminal and control system, and display terminal and control system are installed in the structure member, and control system connects the control display terminal.Described control system comprises central processing unit, storer, reads the spectrum discrimination module, qin spectrum tracing display module, power module, input/output interface circuit and page turning control module synchronously; Power module is the control system power supply;
Storer, read the spectrum discrimination module, synchronously qin spectrum tracing display module, power module, input/output interface circuit are connected central processing unit with the page turning control module; Described central processing unit output control signal is given synchronous qin spectrum tracing display module, storer, power module and input/output interface circuit;
Read the spectrum discrimination module and comprise audio frequency input circuit, audio identification circuit and audio frequency parser circuitry; The output terminal of described audio frequency input circuit connects the input end of audio identification circuit, and the audio identification circuit output end connects the input end of audio frequency parser circuitry, and the output terminal of audio frequency parser circuitry connects central processing unit.Read melody that the spectrum discrimination module plays according to the player by audio frequency input circuit, audio identification circuit and audio frequency parser circuitry, the melody that the player is played decomposites tone, note and beat digital signal and inputs to central processing unit;
Synchronous qin spectrum tracing display module: according to after reading the spectrum discrimination module and passing to the data of central processing unit and standard music score and compare in real time, tone, note and beat with player's playing music, on display, show in real time, occur wrong place in will playing simultaneously and be indicated on the standard music score; Page turning control module: in the time of according to player's performance song and the comparison in real time of standard song, carry out automatic page turning when recognizing the page footing note automatically.
Also comprise touch screen control module, touch screen control module connects central processing unit; Described display terminal is a touch screen; Described touch screen control module: the operation by touch-screen realizes search, the deletion of qin spectrum, and backlight, the background and the manual palpation page-turning function of demonstration is set.
Also comprise the recording playback module, the recording playback module connects central processing unit, and central processing unit output control signal is given the recording playback module; Recording playback module: with the melody of player's performance in the memory module, in conjunction with the display screen playback.
Described input/output interface circuit comprises memory card interface circuit and usb circuit; The memory card interface circuit all is connected with the input/output interface of central processing unit with usb circuit.
The page turning control module: qin spectrum automatic page turning pattern adopts at the standard beat and is provided with down by the User Defined page turning time, or adopts and open slow page rolling function and carry out the automatic page turning of qin spectrum.
Page-turning function can be designed to manual page turning and automatic page turning.Manually page turning needs the user to click the touch-screen assigned address in performance; But automatic page turning is at the standard beat to be set the following User Defined page turning time, perhaps open slow page rolling function, follow the tracks of the happy symbol that the player plays synchronously in conjunction with recording module, on screen, indicate with green, simultaneously can be by presetting the accuracy that detects player's note joint, beat, the place of mistake indicates with redness on screen.
The structure member of the technical program is a ultrathin touch-screen display that can show two pages of qins spectrum, and anti-skidding plastic pad, the fixing device that is used for fixing such as clip, hook or sucker are installed, and optionally selects for use.
Beneficial effect: the similar electronic reader of multifunction electronic qin spectrum contrast of the present utility model has professional characteristics.Not only can provide easily play in touchs/automatic page turning function, can also carry out tone, note, beat to the melody of player's performance and follow the tracks of synchronously, in real time mistake pointed out.Also can carry out the qin spectrum and read simultaneously, and a series ofly play the accompaniment that is the theme, audio recording etc. with music score by means of jumbo storer and USB interface.In the musical instrument learning process, bring great convenience for the musical instrument fan.The liquid crystal display of high definition, multiple page turning mode, the qin spectrum storage of magnanimity, qin spectrum retrieval fast, data manipulation easily all brings brand-new performance to experience to the user.
Description of drawings
Fig. 1 multifunction electronic qin spectrum structural drawing.
Fig. 2 music score identification module process flow diagram.
The synchronous qin spectrum of Fig. 3 tracing display module workflow diagram.
Embodiment
Conjunction with figs., detailed enforcement of the present utility model is as follows:
This example adopts high-resolution touch-screen as display terminal, adopt Linux operation development system, with storer, read spectrum discrimination module, recording playback module, synchronously qin spectrum tracing display module, power module, touch screen control module, input/output interface circuit are connected with central processing unit with the page turning control module, carry out interface control.See Fig. 1.
Reader in the software systems is composed the carrier of main videotex as qin with storage card.Music score mainly is a PDF, can certainly read other common format files.Document in the storage card can upgrade by PC.
Hardware components mainly is divided into lower module:
(1) power supply processing module:
The utility model uses power supply directly to power, and the voltage of each module is not necessarily identical in the system, so we will handle respectively supply voltage.Use 34063 chips to boost or step-down, carry out voltage stabilizing with 2040 chips.
(2) touch screen module
Touch screen adopts the multiple spot capacitance touch screen, when having contacted the graphic button on the screen, haptic feedback system on the screen can drive various hookup mechanisms according to the formula of programming in advance, with tone, note and the beat of player's playing music, shows in real time on display simultaneously.
(3) memory module
Storer adopts large-capacity memory card, cost performance height, little, the simple storage card of access interface of volume.The storage card maximum clock frequency is 25MHz, and the host data transmission frequency of carrying out communication with it must be less than 25MHz.
(4) input/output interface module
Because we use a lot of interfaces itself are arranged on the mainboard, what have directly can utilize.Comprise memory card interface circuit and usb circuit.Image shows employing HDMI interface or DVI interface.
(5) page turning control module
The page turning control module is exactly by doing to realize search, the deletion of qin spectrum in touch-screen drilling, and backlight, the background and the manual palpation page-turning function of demonstration is set.
(6) read the spectrum discrimination module
Reading the spectrum discrimination module is exactly to decomposite tone, note and beat digital signal according to the melody that the melody that the player plays is played the player by audio frequency input, audio identification and audio frequency parser circuitry to input to central processing unit.
(7) qin is composed the tracing display module synchronously
Synchronously qin spectrum tracing display module is exactly according to after reading the spectrum discrimination module and passing to the data of central processing unit and standard music score and compare in real time, tone, note and beat with player's playing music, on display, show in real time, occur wrong place in will playing simultaneously and be indicated on the standard music score, help the user and play rapid progress.
(9) touch screen control module
The operation of touch screen control module by touch-screen realizes search, the deletion of qin spectrum, and backlight, the background and the manual palpation page-turning function of demonstration is set.
The software design part:
Software section mainly is made up of two parts:
(1) system software module
Adopt Linux operation development system, can guarantee the common format of maximum compatible music score when realizing true-time operation again.Even change platform or add new function, only need the volume code adding of new task just can be finished.System software comprises that display routine, touch-screen control program, voice receive program, audio decoder program, player software, dummy keyboard, literal loading routine etc.
(2) qin is composed Tracking Recognition software synchronously
The melody that the melody of playing according to the player is played the player by audio frequency input, audio identification and audio frequency parser circuitry decomposites after tone, note and beat digital signal input to central processing unit, by the melody of synchronous qin spectrum Tracking Recognition software with player's performance, compare one by one with tone, note or the beat of storer internal standard, obtain whether accurately information of performance, on display screen, indicate tone, note or the beat that the player makes mistakes with redness in real time simultaneously.Qin spectrum Tracking Recognition software flow is seen Fig. 2 synchronously.
The output of reading the spectrum discrimination module links to each other with central processing unit, reads the spectrum discrimination module and is made up of audio frequency load module, audio identification module and audio frequency parsing module, sees Fig. 2.
The function of audio frequency load module is that the sound signal that produces during with player's playing music converts electric signal to.
The function of audio identification module is to carry out pre-service with converting electric signal to, removes background noise.
The function of audio frequency parsing module is to carry out the analog to digital conversion digital signal by pretreated sound signal, to be transferred to central processing unit, by central processing unit digital signal is carried out tone, note, beat decomposition.
The output ground of the input end of qin spectrum tracing display module and central processing unit links to each other synchronously, after central processing unit will be read standard playing music in the playing music of Real time identification in the spectrum discrimination module and the central processing unit and compare identification, the melody that the player is played shows in display module, and the chapters and sections that the player is gone wrong in playing procedure highlight simultaneously.Workflow is seen Fig. 3.
The IO interface of memory module is connected with the memory interface of central processing unit, memory module can be stored the music score of the magnanimity of professional person's needs, also can be outside the qin spectrum that carries, by revising storage card, the music score of transmission oneself and the own playing music of storage player from computer.
The IO interface of touch screen control module is connected with the display interface of central processing unit, and the operation of touch-screen realizes search, the deletion of qin spectrum, and backlight, the background and the manual palpation page-turning function of demonstration is set.
The IO interface of recording playback module and the recording playback interface of central processing unit are connected, and the function of recording playback is the melody that player in the memory module is played, and gives the player in conjunction with the display screen playback.
The page turning control module is a software processing module, in the time of according to player's performance song and the comparison in real time of standard song, when recognizing the page footing note automatically, give page turning control signal of central processing unit, central processing unit shows that to frequency spectrum carrying out automatic page turning handles.
The IO interface of input/output interface circuit and central processing unit is connected, and the input/output interface circuit comprises memory card interface circuit and usb circuit; The memory card interface circuit all is connected with the input/output interface of central processing unit with usb circuit.
The central processing unit of multifunction electronic qin spectrum, subsidiary function such as have also that the retrieval and deletion, User Defined wallpaper, optional accompaniment, recording audio, backlight switch control, the system information that realize music score are checked, storage card information inspection, fileinfo are checked, system operation time is checked.
Qin spectrum automatic page turning pattern adopts at the standard beat and is provided with down by the User Defined page turning time, or adopts and open slow page rolling function and carry out the automatic page turning of qin spectrum.
Workflow
In conjunction with Fig. 2, the song that the musical instrument fan will play by the touch-screen selection, to show the qin spectrum that to play on the display screen, when the player strikes up, the sound signal that produces when reading the spectrum discrimination module with player's playing music converts electric signal to, again electric signal is carried out pre-service, be transferred to central processing unit behind the removing background noise, digital signal is carried out tone, note, beat decomposition by central processing unit.After will reading the playing music of Real time identification in the spectrum discrimination module and the standard playing music in the central processing unit and compare identification by central processing unit, the melody that the player is played shows in display module, and the chapters and sections that the player is gone wrong in playing procedure highlight simultaneously.When simultaneously the page turning software processing module will be compared with the standard song in real time according to player's performance song, when recognizing the page footing note automatically, give page turning control signal of central processing unit, central processing unit shows frequency spectrum and carries out the automatic page turning processing.
Described concrete case study on implementation only is a preferable case study on implementation of the present utility model, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as technology category of the present utility model.
Claims (4)
1. a multifunction electronic qin is composed, comprise structure member, display terminal and control system, display terminal and control system are installed in the structure member, control system connects the control display terminal, it is characterized in that described control system comprises central processing unit, storer, reads the spectrum discrimination module, qin spectrum tracing display module, power module, input/output interface circuit and page turning control module synchronously; Power module is the control system power supply;
Storer, read the spectrum discrimination module, synchronously qin spectrum tracing display module, power module, input/output interface circuit are connected central processing unit with the page turning control module; Described central processing unit output control signal is given synchronous qin spectrum tracing display module, storer, power module and input/output interface circuit;
Read the spectrum discrimination module and comprise audio frequency input circuit, audio identification circuit and audio frequency parser circuitry; The output terminal of described audio frequency input circuit connects the input end of audio identification circuit, and the audio identification circuit output end connects the input end of audio frequency parser circuitry, and the output terminal of audio frequency parser circuitry connects central processing unit.
2. multifunction electronic qin spectrum according to claim 1 is characterized in that also comprising touch screen control module, and touch screen control module connects central processing unit; Described display terminal is a touch screen.
3. multifunction electronic qin spectrum according to claim 1 and 2 is characterized in that also comprising the recording playback module, and the recording playback module connects central processing unit, and central processing unit output control signal is given the recording playback module.
4. multifunction electronic qin spectrum according to claim 3 is characterized in that described input/output interface circuit comprises memory card interface circuit and usb circuit; The memory card interface circuit all is connected with the input/output interface of central processing unit with usb circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200892725U CN202042171U (en) | 2011-03-30 | 2011-03-30 | Multifunctional electronic sheet music |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200892725U CN202042171U (en) | 2011-03-30 | 2011-03-30 | Multifunctional electronic sheet music |
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| Publication Number | Publication Date |
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| CN202042171U true CN202042171U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200892725U Expired - Fee Related CN202042171U (en) | 2011-03-30 | 2011-03-30 | Multifunctional electronic sheet music |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531053A (en) * | 2013-10-17 | 2014-01-22 | 张济鹏 | Playing trainer for musical instrument learning |
| CN103943094A (en) * | 2014-05-16 | 2014-07-23 | 刘宝璋 | Piano |
| CN105185190A (en) * | 2015-08-05 | 2015-12-23 | 西安音乐学院 | Portable piano accompaniment apparatus based on OMR technology |
| CN111128097A (en) * | 2019-12-30 | 2020-05-08 | 休止符科技深圳有限公司 | Electronic music score device and using method thereof |
-
2011
- 2011-03-30 CN CN2011200892725U patent/CN202042171U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531053A (en) * | 2013-10-17 | 2014-01-22 | 张济鹏 | Playing trainer for musical instrument learning |
| CN103943094A (en) * | 2014-05-16 | 2014-07-23 | 刘宝璋 | Piano |
| CN105185190A (en) * | 2015-08-05 | 2015-12-23 | 西安音乐学院 | Portable piano accompaniment apparatus based on OMR technology |
| CN111128097A (en) * | 2019-12-30 | 2020-05-08 | 休止符科技深圳有限公司 | Electronic music score device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20130330 |