CN201984802U - Digital stringed instrument controlled by microcomputer - Google Patents
Digital stringed instrument controlled by microcomputer Download PDFInfo
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- CN201984802U CN201984802U CN2011200188192U CN201120018819U CN201984802U CN 201984802 U CN201984802 U CN 201984802U CN 2011200188192 U CN2011200188192 U CN 2011200188192U CN 201120018819 U CN201120018819 U CN 201120018819U CN 201984802 U CN201984802 U CN 201984802U
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- geomagnetic sensor
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Abstract
The utility model discloses a digital stringed instrument controlled by a microcomputer, which comprises an instrument head and an instrument body connected with the instrument head, wherein the instrument head is provided with more than one geomagnetism sensor which is used for sensing the horizontal direction of the digital stringed instrument and an included angle between the digital stringed instrument and the ground, and is electrically connected with a control device; and the instrument body is provided with more than two geomagnetism sensors which are arranged at intervals. According to the digital stringed instrument controlled by the microcomputer, an instrument holding gesture of a player can be trained or corrected better.
Description
Technical field
The utility model relates to the stringed musical instrument field, relates in particular to a kind of digital stringed musical instrument of microcomputerized control.
Background technology
Study plays the violin, and in the stage of begining to learn, must grasp correct left hand and hold the qin posture, if hold the qin fault, the fortune that can directly have influence on left hand refers to and the performance of technology.Usually, the angle on body and ground is approximately 45 degree, and the left hand elbow joint turns in wanting, with the vertical formation excellent support of the qin back of the body, assurance wrist, forearm are on a line, so that body can basic horizontal, and then the person's that holds the qin health can be loosened, body can balance simultaneously.
If the beginner is not paying attention to the correct qin posture of holding at the very start, rethought afterwards and changed, need long time and may not necessarily be effective.So for the student who begins to learn violin, it is very important better grasping and keeping the qin posture of holding of violin.
The utility model content
The utility model provides a kind of digital stringed musical instrument of microcomputerized control, and the digital stringed musical instrument of this microcomputerized control can in time be corrected player's mistake and hold the qin posture, makes the beginner comparatively fast learn violin.
The utility model provides a kind of digital stringed musical instrument of microcomputerized control, comprising: scroll head and the body that is connected with this scroll head; Described scroll head is provided with the horizontal direction that is used for the described digital stringed musical instrument of perception more than one and the geomagnetic sensor of digital stringed musical instrument and ground angle; This geomagnetic sensor is electrically connected control device;
Described body is provided with two the above geomagnetic sensors; Geomagnetic sensor on this body is provided with at interval.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described geomagnetic sensor is positioned at the back side of described scroll head, and perhaps described geomagnetic sensor is positioned at the back side of described body;
Geomagnetic sensor distribution triangular in shape on geomagnetic sensor on the described scroll head and the described body or quadrilateral distribute.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described scroll head comprises peg, and the geomagnetic sensor of described scroll head is positioned at described peg zone;
Described body is made up of panel, side plate and backboard, and described geomagnetic sensor is positioned on the described backboard.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described geomagnetic sensor is judged horizontal direction and the digital stringed musical instrument and the ground angle of described digital stringed musical instrument by the perception earth magnetism.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described control device is arranged on the described backboard, is provided with the comparison module that data value and the numerical value in the preset range with described geomagnetic sensor collection compare in the described control device.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described scroll head comprises fingerboard, and described panel is provided with tailpiece, is provided with the qin sign indicating number that supports string between described fingerboard and the tailpiece;
The acoustic pickup that also to be provided with described vibrations of strings conversion of signals on the described panel be electric signal, this acoustic pickup is electrically connected on described control device, and this acoustic pickup is positioned at described qin sign indicating number bottom, and perhaps, described acoustic pickup is positioned at body inside.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described panel is provided with the microphone that is used for public address that is electrically connected described control device, and perhaps, described backboard is provided with the more than one loudspeaker that is used to emit sound that is electrically connected described control device.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described panel and/or described backboard are provided with the display screen that is electrically connected described control device.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein,
Described control device is the circuit board that is fixed on the described backboard, circuit board is provided with main frame, is integrated with the electronics music score of Chinese operas of connection main frame and/or the decoder module of courseware on this circuit board, the metronome that cooperates the described electronics music score of Chinese operas and/or courseware, export the tuner module of correct accuracy in pitch, audio frequency and/or vision signal transmitter module, audio frequency and/or video reception module, happy and/or the happy synthetic compositor of performance with a plurality of backgrounds, the storage module of stored audio data, load module, connect one or more in the interface module of external unit and the geomagnetic sensor module.
The digital stringed musical instrument of aforesaid microcomputerized control, wherein, described control device adopts lithium battery power supply, or adopts the super capacitor power supply.
The digital stringed musical instrument of microcomputerized control of the present utility model, by the whether geomagnetic sensor of the angle on the body of level and digital stringed musical instrument and ground of the digital stringed musical instrument of real-time detection is set on scroll head and body, and then but real-time prompting and the left hand of correcting the player are held the qin posture, make player's body remain on a correct position, can make the beginner comparatively fast learn violin simultaneously.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the medium and small violin backboard of digital stringed musical instrument embodiment of the microcomputerized control in the utility model;
Fig. 2 is the structural representation of violin panel among the digital stringed musical instrument embodiment of the microcomputerized control in the utility model;
Fig. 3 is the structural representation of violin control device among the digital stringed musical instrument embodiment of the microcomputerized control in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Common stringed musical instrument is divided into bow and draws chord crying musical instrument (as the violin class) and play chord crying musical instrument (as guitar).Wherein, bow draws chord crying musical instrument to comprise: violin, viola, violoncello, times contrabass and urheen; Playing chord crying musical instrument comprises: harp, guitar, electric guitar, electric bass, seven-stringed plucked instrument in some ways similar to the zither, Chinese lute and zither.So the digital stringed musical instrument of the microcomputerized control in the utility model comprises that various bow of the prior art draws chord crying musical instrument and/or plays chord crying musical instrument, mainly is that example is elaborated with the violin in the following description book.
First embodiment
Common violin comprises bow, scroll head, the body that is connected with this scroll head and is positioned at described scroll head and four strings of described body top; Described scroll head surface is provided with peg and fingerboard; Body is made up of panel, side plate and backboard, and described panel is provided with tailpiece, and described string is located between described peg and the described tailpiece.In the present embodiment, described scroll head is provided with the horizontal direction that is used for the described digital stringed musical instrument of perception more than one and the geomagnetic sensor of digital stringed musical instrument and ground angle; This geomagnetic sensor is electrically connected control device; Described body is provided with two the above geomagnetic sensors; Geomagnetic sensor on this body is provided with at interval.Preferably, geomagnetic sensor on the described scroll head and the geomagnetic sensor on the described body can be triangular in shape, distribution of shapes such as quadrilateral, distribute or parallelogram distributes as isosceles triangle.When the angle that detects the horizontal direction of angle, violin on violin in player's hand and ground and violin scroll head when geomagnetic sensor did not belong to default scope, control device can send corresponding cue.Certainly, above-mentioned cue can be light signal or voice signal, specifically can select to be provided with according to needs.Demand according to the player in the reality specifically is provided with the position of control device and the cue that control device sends.
Preferably, the geomagnetic sensor in the present embodiment is positioned at the back side of described scroll head, and perhaps described geomagnetic sensor is positioned at the back side of described body.Particularly, the geomagnetic sensor of described scroll head is positioned at the peg zone of described scroll head; Described geomagnetic sensor is positioned on the described backboard, to guarantee that above-mentioned three geomagnetic sensors are the isosceles triangle distribution and get final product.Common geomagnetic sensor can be by the perception earth magnetism to judge the angle on described digital stringed musical instrument and ground; So, three geomagnetic sensors of the violin at this place also be by the perception earth magnetism come that the direction of perception scroll head changes, the angle on perception violin body and ground and perception violin information such as level whether between player's cheek group and left hand, all can adopt above-mentioned geomagnetic sensor detection so long as can judge the information of holding the qin posture of violin.Need to prove, preestablish the whether presupposed informations such as setting determination range of level of the angular range on the angular range, body and the ground that meet the scroll head of holding the qin posture and ground and body in control device inside, and then the conversion of signals that geomagnetic sensor is detected and and the presupposed information of control device inside compare judgement, whether the violin of judging current player meets is held the qin requirement, if do not meet, control device can send cue, so that the player in time adjusts and holds the qin posture, and then practises preferably/play the violin.That is to say, data value and the comparison module relatively of the data value in the preset range that described geomagnetic sensor is gathered can be set in control device inside.Certainly, actual violin can be provided with by the geomagnetic sensor probe is set, and those settings and installation can change according to practical structures, and present embodiment does not limit it.
Further, for study or the performance that makes violin reaches better results of learning, can microphone is being set on the panel or loudspeaker is set on backboard, microphone in the present embodiment or loudspeaker all be electrically connected above-mentioned control device, and its effect is to be used for voice emplifying.That is to say, control device can by the loudspeaker that connects sound with the prompting player whether hold the qin posture correct, hold the sound of qin fault as the prompting that can send " dripping ".In the present embodiment, at least one loudspeaker can be set, this loudspeaker preferably is installed on the backboard.Two loudspeakers that lay respectively at the backboard upper and lower generally can be set.Certainly, on the body of violin a plurality of loudspeakers can also be set, its practical structure can be set according to needs.Those loudspeakers can be selected resonance loudspeaker or boombox for use.Preferably, described panel and/or described backboard are provided with the display screen that is electrically connected described control device, control panel is when sending prompt tone, can show in real time the correct qin posture of holding by display screen, and show to correct and to hold the movement content of qin, so that effectively help the player to correct the incorrect qin posture of holding.Especially, this display screen also can be used for showing the electronics music score of Chinese operas and/or courseware.
Be provided with the qin sign indicating number that supports string between the fingerboard of existing violin and the tailpiece; In the present embodiment, the acoustic pickup that also can also to be provided with described vibrations of strings conversion of signals on panel be electric signal, this acoustic pickup is electrically connected on described control device, and this acoustic pickup is positioned at described qin sign indicating number bottom, and perhaps, described acoustic pickup is positioned at body inside.Usually acoustic pickup is sent to control device with electrical signal converted, so that control device can synthesize it, simulate contrast or other uses.Certainly, this control device can also be emitted its public address with the storage of the electric signal of acoustic pickup or by loudspeaker/microphone etc.
Usually control device can be able to be arranged on the described backboard, certainly, control device in the present embodiment can be the circuit board that is fixed on the described backboard, circuit board is provided with main frame, is integrated with the electronics music score of Chinese operas of electrical connection main frame and/or the decoder module of courseware on this circuit board, the metronome that cooperates the described electronics music score of Chinese operas and/or courseware, export the tuner module of correct accuracy in pitch, audio frequency and/or vision signal transmitter module, audio frequency and/or video reception module, happy and/or the happy synthetic compositor of performance with a plurality of backgrounds, the storage module of stored audio data, load module, connect one or more in the interface module of external unit and the geomagnetic sensor module.Need to prove that the geomagnetic sensor module comprises comparison module, the numeric ratio that this comparison module is used for numerical value that described geomagnetic sensor is gathered and preset range is held the qin posture to judge whether player's violin on hand meets.In addition, the tuner module of the metronome of the described electronics music score of Chinese operas of above-mentioned cooperation and/or courseware, the correct accuracy in pitch of output all can be electrically connected with microphone, so that microphone can enlarge corresponding sound.Further, control device adopts lithium battery power supply, or adopts the super capacitor power supply.
The digital stringed musical instrument of above-mentioned microcomputerized control is by being provided with the geomagnetic sensor that at least one detects the body balance in real time on scroll head and body, so that when body run-off the straight or other variations, in time point out the player, and then the body that makes the player remains on a correct position, can show in real time simultaneously and corrects a mistake and hold the qin posture.For the beginner, can grasp faster and hold the qin posture.
Second embodiment
Referring to Fig. 1, Fig. 2 and shown in Figure 3, Fig. 1 shows the structural representation of the medium and small violin backboard of digital stringed musical instrument embodiment of the microcomputerized control in the utility model; Fig. 2 shows the structural representation of violin panel among the digital stringed musical instrument embodiment of the microcomputerized control in the utility model; Fig. 3 shows the structural representation of violin control device among the digital stringed musical instrument embodiment of the microcomputerized control in the utility model.
Common violin can comprise: scroll head 1 and body 2, and body 2 is made up of panel 6, side plate and backboard 18 (as shown in Figure 1), and scroll head 1 is connected by fingerboard 3 with panel 6; And scroll head 1 is provided with peg 5, and body 2 is provided with tailpiece 7, connect by string 4 between tailpiece 7 and the peg 5, (as the G string 4a among Fig. 2, D string 4b, A string 4d, E string 4c), and between fingerboard 3 and tailpiece 7, be provided with the qin sign indicating number 9 that supports string 4.
Particularly, scroll head 1 is provided with one and is used for the horizontal direction of perception violin scroll head and the geomagnetic sensor 8 of violin and ground angle; This geomagnetic sensor 8 is electrically connected control device 16; Body 2 is provided with two geomagnetic sensors 8; And three above geomagnetic sensors 8 are isosceles triangle and distribute.When the angle that detects the horizontal direction of angle, violin on violin in player's hand and ground and violin scroll head 1 when geomagnetic sensor 8 did not belong to default scope, control device can send corresponding cue.Geomagnetic sensor 8 in the present embodiment can be selected gravity sensor for use.
Preferably, control device 16 can by the loudspeaker 12 that connects sound with the prompting player hold the qin fault, as sending the prompt tone of " dripping ".Further, also can show the correct qin posture of holding by being arranged on display screen 10 on the panel 6.In the present embodiment, at least one loudspeaker 12 can be set, this loudspeaker 12 preferably is installed on the backboard 18.Two loudspeakers 12 of the upper and lower that lays respectively at backboard 18 generally can be set.Certainly, on the body 2 of violin a plurality of loudspeakers 12 can also be set, its practical structure can be set according to needs.Those loudspeakers 12 can be selected resonance loudspeaker or boombox for use.
In addition, also the acoustic pickup (not shown) that the vibration signal of string 4 is converted to electric signal can be set on panel 6, this acoustic pickup is electrically connected on control device 16, and this acoustic pickup is positioned at qin sign indicating number 9 bottoms.Acoustic pickup can be handled electrical signal transfer to the control device of collecting 16, as can be used for synthetic or expand by microphone and to put etc. with other musical instruments.Preferably, acoustic pickup can be sent the signal source (or being the music score automatic rolling that shows in the display screen 10, accordatura, the signal source of setting the tone) of various sound as violin, this acoustic pickup can with the metronome or the happy combination of background of control device, and then capable of being combinedly go out multiple different string music.
Especially, in the present embodiment, panel 6 is provided with and is used to show the display screen 10 of holding qin posture, the electronics music score of Chinese operas and/or courseware, and this display screen 10 connects control device 16.The more important thing is that this display screen 10 can show that the player's holds the qin posture.In addition, these display screen 10 dynamic electronics music scores of Chinese operas that show and training courseware can be used as the man-machine interface of control device 16.Preferably, this display screen 10 can be touch-screen, so that directly by 16 controls of the control device on the backboard 18.In addition, also be provided with the microphone 11 that connects control device 16 on the panel 6, it is used for the sound of the violin of player or performance is amplified.
Can find out intuitively that from Fig. 1 the exterior panel of control device 16 comprises a multi-functional rotatable impeller 17, can control or every function of inner each module of control set for adjusting that reverberation amount of delay, speaker volume, EQ are balanced to be selected etc. as regulating.In addition, the exterior panel of control device also is provided with a plurality of buttons 14, and this button 14 can be tuner button, metronome button, plays button or record button etc.; And the interface that direct setting can be connected with other equipment or power supply on the control device 16, as usb 15, SD excuse or electric power connecting mouth etc.
Further, the touch-screen 13 (this touch-screen 13 is positioned at the upper area of the exterior panel of control device 16) of dynamic show process or music theory can be set also on the top of control device 16, this touch-screen 13 is connected in main frame 34.Certainly, touch-screen that is positioned at backboard 18 13 that this control device 16 connects or the display screen 10 that is positioned at panel can show the electronics music score of Chinese operas in real time, so that cooperate player's beat.Control device 16 can be optimized processing to each module of its inside by interface module 28, as upgrading or data maintenance etc.The decoding of 21 pairs of electronic musics of decoder module of the above-mentioned music score of Chinese operas and/or courseware can realize decoding by the decoding dog.The transmit frequency range of above-mentioned FM transmitter module: 87.5MHz-108MHz, the transmission frequency of the FM transmitter module in the present embodiment is totally 206 frequencies.
Above-mentioned violin is by being provided with the geomagnetic sensor that at least one detects the body balance on body inside or backboard, so that when body run-off the straight or other variations, in time point out the player, and then the body that makes the player remains on a correct position, can show in real time simultaneously and the qin posture is held in correction.For the beginner, can grasp faster and hold the qin posture.
It should be noted that the digital violin in the present embodiment controlled by a master switch, when master switch was opened, each module realized its corresponding function by microcomputerized control; When master switch was closed, violin still possessed the various functions of traditional violin.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. the digital stringed musical instrument of a microcomputerized control comprises: scroll head and the body that is connected with this scroll head; It is characterized in that,
Described scroll head is provided with the horizontal direction that is used for the described digital stringed musical instrument of perception more than one and the geomagnetic sensor of digital stringed musical instrument and ground angle; This geomagnetic sensor is electrically connected control device;
Described body is provided with two the above geomagnetic sensors; Geomagnetic sensor on this body is provided with at interval.
2. the digital stringed musical instrument of microcomputerized control according to claim 1 is characterized in that,
Described geomagnetic sensor is positioned at the back side of described scroll head, and perhaps described geomagnetic sensor is positioned at the back side of described body;
Geomagnetic sensor distribution triangular in shape on geomagnetic sensor on the described scroll head and the described body or quadrilateral distribute.
3. the digital stringed musical instrument of microcomputerized control according to claim 2 is characterized in that,
Described scroll head comprises peg, and the geomagnetic sensor of described scroll head is positioned at described peg zone;
Described body is made up of panel, side plate and backboard, and described geomagnetic sensor is positioned on the described backboard.
4. the digital stringed musical instrument of microcomputerized control according to claim 3 is characterized in that,
Described control device is arranged on the described backboard, is provided with the comparison module that data value and the numerical value in the preset range with described geomagnetic sensor collection compare in the described control device.
5. the digital stringed musical instrument of microcomputerized control according to claim 3 is characterized in that,
Described scroll head comprises fingerboard, and described panel is provided with tailpiece, is provided with the qin sign indicating number that supports string between described fingerboard and the tailpiece;
The acoustic pickup that also to be provided with described vibrations of strings conversion of signals on the described panel be electric signal, this acoustic pickup is electrically connected on described control device, and this acoustic pickup is positioned at described qin sign indicating number bottom, and perhaps, described acoustic pickup is positioned at body inside.
6. the digital stringed musical instrument of microcomputerized control according to claim 3 is characterized in that,
Described panel is provided with the microphone that is used for public address that is electrically connected described control device, and perhaps, described backboard is provided with the more than one loudspeaker that is used to emit sound that is electrically connected described control device.
7. the digital stringed musical instrument of microcomputerized control according to claim 3 is characterized in that,
Described panel and/or described backboard are provided with the display screen that is electrically connected described control device.
8. according to the digital stringed musical instrument of each described microcomputerized control of claim 3 to 7, it is characterized in that,
Described control device is the circuit board that is fixed on the described backboard, circuit board is provided with main frame, is integrated with the electronics music score of Chinese operas of connection main frame and/or the decoder module of courseware on this circuit board, the metronome that cooperates the described electronics music score of Chinese operas and/or courseware, export the tuner module of correct accuracy in pitch, audio frequency and/or vision signal transmitter module, audio frequency and/or video reception module, happy and/or the happy synthetic compositor of performance with a plurality of backgrounds, the storage module of stored audio data, load module, connect one or more in the interface module of external unit and the geomagnetic sensor module.
9. the digital stringed musical instrument of microcomputerized control according to claim 8 is characterized in that, described control device adopts lithium battery power supply, or adopts the super capacitor power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200188192U CN201984802U (en) | 2011-01-20 | 2011-01-20 | Digital stringed instrument controlled by microcomputer |
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| CN2011200188192U CN201984802U (en) | 2011-01-20 | 2011-01-20 | Digital stringed instrument controlled by microcomputer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366722A (en) * | 2012-04-02 | 2013-10-23 | 卡西欧计算机株式会社 | Orientation detection device and orientation detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366722A (en) * | 2012-04-02 | 2013-10-23 | 卡西欧计算机株式会社 | Orientation detection device and orientation detection method |
| CN103366722B (en) * | 2012-04-02 | 2016-01-27 | 卡西欧计算机株式会社 | Gesture detection means and method |
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