CN201465339U - Assistant teaching instrument for electronic musical instrument - Google Patents
Assistant teaching instrument for electronic musical instrument Download PDFInfo
- Publication number
- CN201465339U CN201465339U CN2009200870593U CN200920087059U CN201465339U CN 201465339 U CN201465339 U CN 201465339U CN 2009200870593 U CN2009200870593 U CN 2009200870593U CN 200920087059 U CN200920087059 U CN 200920087059U CN 201465339 U CN201465339 U CN 201465339U
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- musical instrument
- electronic musical
- circuit
- staff
- instrument
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Abstract
The utility model relates to the technical field of the musical instrument, in particular to an assistant teaching instrument for an electronic musical instrument, which comprises a main control circuit, a numeral notation and staff notehead display circuit, an interface circuit, a MIDI or USB interface of the electronic musical instrument, and a power supply, wherein the main control circuit is respectively and electrically connected with the numeral notation and staff notehead display circuit and the interface circuit, the interface circuit is electrically connected with the MIDI or USB interface of the electronic musical instrument, and the power supply respectively supplies power to the main control circuit and the numeral notation and staff notehead display circuit. The utility model is based on the common musical instrument, through accessing the MIDI or USB interface of the electronic musical instrument to the assistant teaching instrument, the utility model can improve the teaching function of the electronic musical instrument, and facilitate the learner better understanding and learning the knowledges of the numeral notation and staff and the relation thereof though combining the electronic musical instrument.
Description
Technical field
The utility model relates to the technical field of Music teaching aid, relates in particular to a kind of electronic musical instrument aided education instrument.
Background technology
Traditional basic music theory teaching is more uninteresting, and the learner not only is not easy to grasp music knowledge and technical ability, and can influence the raising of their music practice ability, causes ossifing of music thinking, the interest of forfeiture learning music.Along with The development in society and economy, electronic musical instrument has entered Chinese family and school, obtained popularizing, electronic musical instrument also has been introduced in the teaching, but its teaching function has been subjected to very big restriction, because common electronic musical instrument itself is not a kind of teaching device now, is a kind of musical instrument, the characteristics that do not possess the teaching music theory, not directly perceived, image, flexible.Therefore, the instructional function that how to increase electronic musical instrument becomes a technical matters that needs to be resolved hurrily.
The utility model content
The purpose of this utility model provides a kind of electronic musical instrument aided education instrument, to realize music theory and teaching synchronously, improves the instructional function of electronic musical instrument.
For achieving the above object, the utility model adopts following technical scheme:
The MIDI of main control circuit, numbered musical notation and a staff symbol display circuit, interface circuit, electronic musical instrument or USB interface, power supply, main control circuit accords with a display circuit with numbered musical notation and staff respectively and interface circuit is electrically connected, interface circuit is electrically connected with the MIDI or the USB interface of electronic musical instrument, and power supply provides power supply for respectively a main control circuit and numbered musical notation and staff symbol display circuit.
Described main control circuit comprises master controller, storer, code translator, selector switch and driver, and wherein master controller is connected with storer, code translator, selector switch and actuator electrical respectively.
A described numbered musical notation and staff symbol display circuit mainly comprises driver, deserializer, button part, the lamp part that is used to show, the described lamp part that is used to show is electrically connected with described deserializer.
A described numbered musical notation and staff symbol display circuit can be played, but and numbered musical notation note and staff note independent operation play sounding, each note symbol head can be realized luminous synchronous demonstration; When electronic musical instrument is played sounding, pitch information is presented on a numbered musical notation and the staff symbol display circuit synchronously by described interface circuit.
The utlity model has following advantage and good effect:
1) on the basis of ordinary electronic musical instrument,, improves the instructional function of electronic musical instrument by the MIDI or the USB interface access aided education device of electronic musical instrument;
2) helping the learner understands better in conjunction with electronic musical instrument and learns numbered musical notation knowledge, staff knowledge and contact between the two;
3) low, the penetration and promotion that is easy to popularize, be easy to music teaching of cost.
Description of drawings
Fig. 1 is a circuit structure diagram of the present utility model.
Fig. 2 is symbol of the present utility model button part and display part circuit theory diagrams.
Fig. 3 is an interface circuit schematic diagram of the present utility model.
Fig. 4 is the midi interface annexation figure of interface of the present utility model and electronic musical instrument.
Wherein,
1.1-main control circuit, 1.2-a numbered musical notation and a staff symbol display circuit, 1.3-interface circuit, 1.4-power supply, 1.5-the MIDI of electronic musical instrument or USB interface, 2.1-master controller chip (IC1), 2.2-decoder chip (IC2), 2.3-data selector chip (IC3), 2.4-string and conversion chip (IC4), 2.5-string and conversion chip (IC5), 2.6-show LED, 2.7-note symbol head, 3.1-master controller chip (IC1), 3.2-teaching device interface card, 3.3-optocoupler conversion chip (IC6), 4.1-teaching device interface card, 4.2-electronic musical instrument interface card.
Embodiment
The utility model is described in further detail in conjunction with the accompanying drawings with specific embodiment below:
The electronic musical instrument aided education instrument that the utility model provides, the following technical scheme of concrete employing, referring to Fig. 1, this electronic musical instrument aided education instrument comprises main control circuit 1.1, a numbered musical notation and a staff symbol display circuit 1.2, interface circuit 1.3, the MIDI of electronic musical instrument or usb 1 .5, power supply 1.4, main control circuit 1.1 accords with a display circuit 1.2 with numbered musical notation and staff respectively and interface circuit 1.3 is electrically connected, interface circuit 1.3 is electrically connected with the MIDI or the usb 1 .5 of electronic musical instrument, and power supply 1.4 provides power supply for respectively main control circuit 1.1 an and numbered musical notation and staff symbol display circuit 1.2.
Main control circuit 1.1 comprises master controller, storer, code translator, selector switch and driver, and wherein master controller is connected with storer, code translator, selector switch and actuator electrical respectively; A numbered musical notation and staff symbol display circuit 1.2 mainly comprises driver, deserializer, button part, the lamp part that is used to show, the lamp part is electrically connected with deserializer; Interface circuit 1.3 mainly comprises other peripheral components such as optocoupler converter, MIDI or USB interface.
Describe principle of work after this electronic musical instrument aided education instrument powers in detail below in conjunction with Fig. 1: after system powers on, main control circuit 1.1 has or not button to press in scanning always, when play numbered musical notation and staff symbol in the display circuit 1.2 numbered musical notation symbol head or during staff symbol, main control circuit 1.1 has scanned this key assignments, send instruction to display circuit 1.2, light the corresponding lamp of pressing of note symbol head, by interface circuit 1.3 this key assignments is sent to the MIDI or the usb 1 .5 of electronic musical instrument simultaneously, allow the electronic musical instrument sounding, realize that acousto-optic is synchronous; When playing electronic musical instrument, main control circuit 1.1 obtains the key assignments of pressing by interface circuit 1.3 from the MIDI or the usb 1 .5 of electronic musical instrument, sends to a numbered musical notation and staff symbol display circuit 1.2, and the symbol head lamp of corresponding key assignments is lighted, and realizes that acousto-optic is synchronous.
Can operate a numbered musical notation and the staff symbol display circuit 1.2 played, numbered musical notation note and staff note symbol head can be played sounding by independent operation, and each note symbol head self can luminous synchronous demonstration.When playing electronic musical instrument, each key of being played corresponding note symbol head on this electronic musical instrument aided education device can be lighted, and shows the phoneme of this button in numbered musical notation system and staff system synchronously, realizes that acousto-optic is synchronous.
This electronic musical instrument aided education instrument can carry out two-way communication with the electronic musical instrument that has common MIDI or USB interface (as mellotron, fender etc.) by the interface circuit 1.3 of self.On the one hand, this electronic musical instrument aided education instrument can be by the source of sound parts sounding of electronic musical instrument by this interface, on the other hand, and being presented on this aided education device of the key position information synchronization that electronic musical instrument is played himself by this interface circuit; This aided education device also can communicate by its interface circuit 1.3 and computer, by the sound card sounding of computer.
Shown in Figure 2 is that a symbol of the present utility model button part and display part circuit theory diagrams .IC1 are master controller chips 2.1, IC2 is a decoder chip 2.2, IC3 is a data selector chip 2.3, IC4 is a deserializer chip 2.4, IC5 also is a deserializer chip 2.5, IC2 decoder chip 2.2 and IC3 data selector chip 2.3 combine, and can expand to 256 buttons at most, shown in button in the note symbol among Fig. 2 2.7; Expand deserializer in IC4 deserializer chip 2.4, IC5 deserializer chip 2.5 back according to actual needs, thereby increase the number that needs to show the LED2.6 lamp.
The principle of work of this symbol button part and display part circuit is: after system powers on, IC1 master controller chip 2.1 is always at the key assignments of scan round button 2.7, if a button is pressed, the T0 pin status of IC1 master controller chip 2.1 can change, IC1 master controller chip 2.1 has judged whether that according to the state of T0 button presses, if have, then Ci Shi key assignments is exactly the corresponding key assignments that pushes button, IC1 master controller chip 2.1 sends corresponding control word to IC4 deserializer chip 2.4 according to the key assignments that obtains, IC5 deserializer chips 2.5 etc. are lighted the lamp of the button correspondence of pressing.
Shown in Figure 3 is interface circuit schematic diagram of the present utility model.IC1 is a master controller chip 3.1, and IC6 is an optocoupler converter chip 3.3, and interface circuit has been made standard midi interface 3.2, also can make USB interface according to actual needs, with midi interface the realization principle is described here.
After button is pressed, IC1 master controller chip 3.1 is lighted corresponding lamp according to the key assignments that obtains, send the bit stream of ten data bit, 31.25k simultaneously from the pin TXD2 of IC1 master controller chip 3.1 according to key assignments, the MIDI IN of the MIDI OUT of interface card 4.1 by the teaching device and the interface card 4.2 of electronic musical instrument links to each other, shown in the midi interface annexation figure of the interface of the present utility model of Fig. 4 and electronic musical instrument, bit stream is sent into electronic musical instrument, make its sounding.
When playing electronic musical instrument, electronic musical instrument links to each other by the MIDI OUT of the electronic musical instrument interface card 4.2 of self and the MIDI IN of the interface card 4.1 of teaching device, as shown in Figure 4, then through after 3.3 isolation of IC6 optocoupler converter chip and the voltage transitions, ten data bit of pin 6 outputs from IC6 optocoupler converter chip 3.3,31.25k bit stream, be sent to the T1 pin of IC1 master controller chip 3.1, as shown in Figure 4, obtain the high information of key sound that electronic musical instrument is pressed after 3.1 samplings of IC1 master controller, send the control corresponding word to IC4 deserializer chip 2.4 according to this information then, IC5 deserializer chips 2.5 etc. are lighted simple key part and the corresponding lamp of staff part on the aided education device.
Claims (4)
1. an electronic musical instrument aided education instrument is characterized in that, comprising:
The MIDI of main control circuit (1.1), numbered musical notation and a staff symbol display circuit (1.2), interface circuit (1.3), electronic musical instrument or USB interface (1.5), power supply (1.4), main control circuit (1.1) accords with a display circuit (1.2) with numbered musical notation and staff respectively and interface circuit (1.3) is electrically connected, interface circuit (1.3) is electrically connected with the MIDI or the USB interface (1.5) of electronic musical instrument, and power supply (1.4) provides power supply for respectively main control circuit (1.1) and numbered musical notation and staff symbol display circuit (1.2).
2. electronic musical instrument aided education instrument according to claim 1 is characterized in that:
Described main control circuit (1.1) comprises master controller, storer, code translator, selector switch and driver, and wherein master controller is connected with storer, code translator, selector switch and actuator electrical respectively.
3. electronic musical instrument aided education instrument according to claim 1 is characterized in that:
A described numbered musical notation and staff symbol display circuit (1.2) mainly comprises driver, deserializer, button part, the lamp part that is used to show, the described lamp part that is used to show is electrically connected with described deserializer.
4. according to claim 1,2 or 3 each described electronic musical instrument aided education instruments, it is characterized in that:
A described numbered musical notation and staff symbol display circuit (1.2) can be played, but and numbered musical notation note and staff note independent operation play sounding, each note symbol head can be realized luminous synchronous demonstration; When electronic musical instrument is played sounding, pitch information is presented on a numbered musical notation and the staff symbol display circuit (1.2) synchronously by described interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200870593U CN201465339U (en) | 2009-07-03 | 2009-07-03 | Assistant teaching instrument for electronic musical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200870593U CN201465339U (en) | 2009-07-03 | 2009-07-03 | Assistant teaching instrument for electronic musical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465339U true CN201465339U (en) | 2010-05-12 |
Family
ID=42392687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200870593U Expired - Fee Related CN201465339U (en) | 2009-07-03 | 2009-07-03 | Assistant teaching instrument for electronic musical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160657A (en) * | 2021-02-09 | 2021-07-23 | 衡阳师范学院 | Piano teaching auxiliary system |
-
2009
- 2009-07-03 CN CN2009200870593U patent/CN201465339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113160657A (en) * | 2021-02-09 | 2021-07-23 | 衡阳师范学院 | Piano teaching auxiliary system |
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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: 20100512 Termination date: 20100703 |