CN109493686B - Piano training system and method based on mixed reality - Google Patents
Piano training system and method based on mixed reality Download PDFInfo
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- CN109493686B CN109493686B CN201811646185.8A CN201811646185A CN109493686B CN 109493686 B CN109493686 B CN 109493686B CN 201811646185 A CN201811646185 A CN 201811646185A CN 109493686 B CN109493686 B CN 109493686B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
- G09B15/02—Boards or like means for providing an indication of notes
- G09B15/023—Electrically operated
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
- G09B15/02—Boards or like means for providing an indication of notes
- G09B15/04—Boards or like means for providing an indication of notes with sound emitters
Abstract
A piano training system and method based on mixed reality. The piano training system comprises a mixed reality helmet, a piano, a positioning device and a processing device; the piano is real; the positioning device is arranged on the piano or the mixed reality helmet and used for measuring the relative positions of keys of the piano and the mixed reality helmet in real time; the processing device is in signal connection with the mixed reality helmet and is used for loading, generating a corresponding virtual training scene according to a standard piano file and transmitting the virtual training scene to the mixed reality helmet; this mixed reality helmet, this positioner of signal connection for the user wears with oneself for the key of this piano of reality and according to the key of this piano that this positioner detected and this mixed reality helmet between the relative position show this virtual training scene at the upside of the key of this piano. It can increase the enjoyment of piano training process and allow the user to adjust own position of sitting in the training process thereby prevent the cervical vertebra from excessively tired.
Description
Technical Field
The invention relates to the technical field of mixed reality, in particular to a piano training system and method based on mixed reality.
Background
The piano is known as the king of musical instruments, along with the progress of society and the development of times, people begin to pay attention to spiritual pursuit and personal repair, a large number of piano learners emerge from people of all ages, and a large number of training institutions are born at the same time.
However, the piano teachers have different music literacy and teaching levels, which causes trouble for piano fans to find a suitable piano teacher. Meanwhile, the piano learning following teachers is often expensive, and piano learners need to bear great economic pressure. While the piano learning mainly consists in the usual practice of learners, the practice process may be boring.
At present, some technologies utilize ipad and other tools to express processed music scores on a keyboard in a virtual finger mode, and other technologies utilize an enhancement reality to add virtual notes in a space to assist practice, but the methods require a user to watch keys, cause excessive pressure on cervical vertebra after long-time practice, and simultaneously cannot adjust playing sitting postures due to the position of the virtual notes.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a mixed reality-based piano training system, which can increase the pleasure of the piano training process and allow the user to adjust his or her sitting posture during the training process, thereby preventing the cervical vertebra from being over-fatigued, in view of the above problems existing in the prior art. The invention provides a piano training method based on mixed reality.
In order to solve the technical problem, the invention provides a piano training system based on mixed reality, which comprises a mixed reality helmet, a piano, a positioning device and a processing device, wherein the piano is provided with a piano head and a piano head; the piano is real; the positioning device is arranged on the piano or the mixed reality helmet and is used for measuring the relative positions of keys of the piano and the mixed reality helmet in real time; the processing device is in signal connection with the mixed reality helmet and is used for loading, generating a corresponding virtual training scene according to a standard piano file and transmitting the virtual training scene to the mixed reality helmet; the mixed reality helmet is in signal connection with the positioning device, is worn by a user, and is used for realizing the display of the virtual training scene on the upper side of the keys of the piano according to the relative positions between the keys of the piano and the mixed reality helmet, which are detected by the positioning device.
In the piano training system based on mixed reality, the virtual training scene comprises a virtual playing prompt line, and a prompt symbol falling from top to bottom is arranged above the playing prompt line.
In the mixed reality-based piano training system provided by the invention, the prompt has two forms with different shapes, wherein the two forms are respectively a first form and a second form, the prompt is in the first form when the prompt is far away from the playing prompt line, and the prompt is in the second form when the prompt is close to the playing prompt line.
In the mixed reality-based piano training system provided by the invention, when the cue is in the second form, the size of the cue in the vertical direction is in direct proportion to the duration of the cue.
In the mixed reality-based piano training system provided by the invention, the playing cue line comprises an effective cue section, the effective cue section is equally divided into N cue drop sections by a plurality of separation lines, the number of N is the same as the number of the keys of the piano, and the N cue drop sections are in one-to-one correspondence with the N keys on the piano.
In the mixed reality-based piano training system provided by the invention, the processing device is further used for producing corresponding audio signals after the standard piano file is loaded, and the mixed reality helmet is further used for receiving the audio signals and playing corresponding standard melodies.
In order to solve the above problems, the present invention further provides a mixed reality-based piano training method, using the piano training system described above, the piano training method comprising the steps of:
loading the standard piano file on the processing module, and generating the corresponding virtual training scene by the processing module according to the standard piano file;
the mixed reality helmet is started and worn, and a trainer can see keys of the piano and the virtual training scene positioned on the upper side of the keys through the mixed reality helmet;
and the trainer carries out playing training on the keys according to the virtual training scene, and can hear the sound generated when the keys are pressed.
In the mixed reality-based piano training method provided by the invention, the piano training method comprises the following steps:
the processing module generates corresponding audio signals after the standard piano file is loaded;
the mixed reality helmet receives the audio signal and plays the corresponding standard melody.
In the piano training method based on mixed reality, the virtual training scene comprises a virtual playing prompt line, and a prompt symbol falling from top to bottom is arranged above the playing prompt line; the prompter has two forms with different shapes, namely a first form and a second form, the prompter is in the first form when the prompter is far away from the playing cue line, and the prompter is in the second form when the prompter is close to the playing cue line; when the prompter is in the second form, the size of the prompter in the vertical direction is in direct proportion to the duration of the prompter; the playing cue line comprises an effective cue section, the effective cue section is equally divided into N cue drop sections by a plurality of separation lines, the numerical value of N is the same as the number of keys of the piano, and the N cue drop sections are in one-to-one correspondence with the N keys on the piano;
the process of the trainee playing and training on the keys according to the virtual training scene is as follows: when the prompt falls to the bottom and just contacts with the playing prompt line, a trainer presses the key corresponding to the prompt falling section where the prompt is located, releases the key after the top of the prompt just separates from the playing prompt line, and when the prompt falls to the playing prompt line and contacts, the prompt extends downwards to form an extension section which is aligned and connected with the corresponding key.
In the piano training method based on mixed reality, the playing prompt lines displayed by the mixed reality helmet are distributed at the front lower position right facing human eyes, move along with the up-and-down movement of the mixed reality helmet and do not move along with the left-and-right movement of the mixed reality helmet.
Compared with the prior art, the implementation of the invention has the following beneficial effects: the piano training system and method based on mixed reality can increase the pleasure of the piano training process and allow a user to adjust the sitting posture of the user in the training process so as to prevent the cervical vertebra from being over-tired.
Drawings
Fig. 1 is a block schematic diagram of a mixed reality-based piano training system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of keys and virtual training scenes displayed in a mixed reality helmet in a mixed reality-based piano training system according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a mixed reality helmet in a mixed reality-based piano training system according to an embodiment of the present invention.
The reference numerals in the detailed description illustrate:
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100 | Piano | 200 |
| Processing apparatus | 300 | Positioning device | 400 |
| Playing |
101 | |
102 |
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1011 | |
201 |
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment provides a piano training system based on mixed reality. The device comprises a mixed reality helmet, a piano, a positioning device and a processing device; the piano is real; the positioning device is arranged on the piano or the mixed reality helmet and is used for measuring the relative positions of keys of the piano and the mixed reality helmet in real time; the processing device is in signal connection with the mixed reality helmet and is used for loading, generating a corresponding virtual training scene according to a standard piano file and transmitting the virtual training scene to the mixed reality helmet; the mixed reality helmet is in signal connection with the positioning device, is worn by a user, and is used for realizing the display of the virtual training scene on the upper side of the keys of the piano according to the relative positions between the keys of the piano and the mixed reality helmet, which are detected by the positioning device.
The key may be purchased directly from the market. In the training process, a trainer directly plays on the real piano, and the real touch of the trainer is guaranteed.
In this embodiment, the positioning device positions the relative positional relationship between the keys of the piano and the mixed reality helmet by using a positioning light tower principle. Specifically, positioner including install in mix reality helmet to the piano launches the laser emitter of the laser that two directions were strafed in the horizontal and vertical direction, place a plurality of laser response receivers on the piano, and with a plurality of singlechip that laser response receiver is connected. The single chip microcomputer calculates the position relation between the mixed reality helmet and the piano by calculating the angle difference of two beams of light reaching the keys of the piano, and the relative positions of the keys of the piano and the mixed reality helmet can be determined because the position of the laser sensing receiver on the piano is fixed.
The processing module can be a computer, a notebook computer, a smart phone or a tablet personal computer, and is in signal connection with the mixed reality helmet through Bluetooth pairing. Of course, in other embodiments, the processing module and the mixed reality helmet may be connected by a wire through a data line to realize signal transmission therebetween. And when the standard piano file is loaded on the processing module, the processing module generates the corresponding virtual training scene. The virtual training scene comprises a virtual playing prompt line, and a prompt symbol falling from top to bottom is arranged above the playing prompt line. The playing cue line comprises an effective cue section, the effective cue section is equally divided into a plurality of cue falling sections by a plurality of separation lines, the number of the cue falling sections is consistent with that of the keys of the piano, and the plurality of cue falling sections are in one-to-one correspondence with the plurality of keys on the piano. The prompter has two forms with different shapes, wherein the two forms are a first form and a second form respectively, the prompter is in the first form when the prompter is far away from the playing cue line, and the prompter is in the second form when the prompter is close to the playing cue line. Specifically, the initial position of the prompt is a certain distance L from the playing prompt line, and when the distance between the prompt and the playing prompt line is one half or one third or one quarter of L, the distance may be set to change from the first form to the second form, so as to prompt the trainer to prepare. In this embodiment, the first form is a staff note shape, and the second form is a rectangular shape. When the prompt is in the second form, its size in the up-down direction is proportional to the duration of the prompt 102. And when the prompt falls to the playing prompt line to contact, the prompt extends downwards to form an extension section, and the extension section is aligned and connected with the corresponding key, so that a trainer can quickly judge whether the corresponding key is played.
The specific process of using the piano training system for piano training is described in detail below: the method comprises the following steps:
1) loading the standard piano file on the processing module, and generating the corresponding virtual training scene by the processing module according to the standard piano file;
2) starting and wearing the mixed reality helmet, wherein a trainer can see keys of the piano and the virtual training scene positioned on the upper side of the keys through the mixed reality helmet;
3) a trainer carries out playing training on the keys according to the virtual training scene, and the trainer can hear the sound generated when the keys are pressed; the process of the trainee playing and training on the keys according to the virtual training scene is as follows: when the cue falls to the bottom and just contacts with the play cue line, the trainer presses the key corresponding to the cue falling section where the cue is located, and releases the key just after the top of the cue is separated from the play cue line. When the prompt falls to the playing prompt line and contacts, the prompt extends downwards to form an extension section, and the extension section is aligned and connected with the corresponding key, so that a trainer can easily judge whether the corresponding key is played by himself.
In summary, in the piano training performed by the trainer using the piano training system provided in this embodiment, the trainer plays on the piano according to the falling order of the prompt in the virtual training scene and the length of the prompt in the second form, and the whole process is as if a music rhythm game is performed, so that the trainer can learn in fun. And the piano can provide real sense of touch for the training person can experience more true playing sense in the training process.
Preferably, the processing means is further adapted to generate a corresponding audio signal after loading the standard piano file, and the mixed reality helmet is further adapted to receive the audio signal and play a corresponding standard melody. In this embodiment, the volume of the standard melody played by the mixed display helmet is low, so that the trainee can hear the standard melody and the sound generated by playing the piano by himself at the same time, and the trainee can find the error in the training process in real time.
Preferably, the playing prompt lines displayed on the mixed reality helmet are distributed at the front lower position right facing the human eyes, move along with the up-and-down movement of the mixed reality helmet and do not move along with the left-and-right movement of the mixed reality helmet. When the trainer wears the mixed display helmet on the head, the playing prompt line moves along with the up-and-down movement of the mixed reality helmet, so that the head of the trainer does not need to keep a posture for a long time in the training process, the head of the trainer can be properly lowered or raised to move the neck, the training is not interrupted, and the neck fatigue can be relieved. And as the playing prompt line does not move along with the left and right movement of the mixed reality helmet, the plurality of prompt drop sections on the playing prompt line can be always aligned with the plurality of keys of the piano one by one.
Example two
The embodiment provides a piano training system based on mixed reality. It differs from the first embodiment in that: the positioning device comprises a camera and a plurality of small bulbs, the camera is arranged on the piano, the small bulbs are arranged on the mixed reality helmet, the relative position relationship between the piano and the mixed reality helmet is confirmed by utilizing a visible light positioning technology, and the relative positions of keys of the piano and the mixed reality helmet can be determined because the position of the camera on the piano is fixed.
EXAMPLE III
The embodiment provides a piano training system based on mixed reality. It differs from the first embodiment in that: the external space and the characteristic light points arranged on the piano are identified and positioned by a camera arranged on the mixed reality helmet by utilizing the inside-out space positioning technology. In this embodiment, the positioning device includes the camera and the characteristic light spot.
Example four
The embodiment provides a piano training method based on mixed reality. The steel ball training method is completed by using the piano training system provided by the first embodiment, and the piano training method comprises the following steps:
1) loading the standard piano file on the processing module, and generating the corresponding virtual training scene by the processing module according to the standard piano file;
2) the mixed reality helmet is started and worn, and a trainer can see keys of the piano and the virtual training scene positioned on the upper side of the keys through the mixed reality helmet;
3) and the trainer carries out playing training on the keys according to the virtual training scene, and can hear the sound generated when the keys are pressed.
Further, the piano training method further comprises the following steps:
4) the processing module generates corresponding audio signals after the standard piano file is loaded;
5) the mixed reality helmet receives the audio signal and plays the corresponding standard melody.
Reference may be made to the section of "specifically describing a specific process of performing piano training using the piano training system" in the first embodiment, which is not described again.
EXAMPLE five
The embodiment provides a piano training method based on mixed reality. It differs from the fourth implementation in that: in step 2), after the mixed reality helmet is started and worn, the function of displaying the keys is turned off, and at this time, a trainer can only see the virtual training scene through the mixed reality helmet, that is, only the prompt and the playing prompt line can be seen, and the keys cannot be seen. When the trainer thinks that the piano key position is quite skillful, the piano training method of the embodiment can be adopted to properly improve the training difficulty and improve the self level more quickly.
In addition, related information of sitting posture correction can be added into the standard piano file, so that the mixed reality helmet can display auxiliary patterns related to sitting posture correction while displaying the virtual training scene, a trainer is prompted to adjust the sitting posture during playing, the trainer is helped to practice playing in the correct sitting posture, and cervical vertebra problems caused by long-time head lowering are avoided.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A mixed reality-based piano training system is characterized by comprising a mixed reality helmet, a piano, a positioning device and a processing device; the piano is real; the positioning device is arranged on the piano or the mixed reality helmet and is used for measuring the relative positions of keys of the piano and the mixed reality helmet in real time; the processing device is in signal connection with the mixed reality helmet and is used for loading, generating a corresponding virtual training scene according to a standard piano file and transmitting the virtual training scene to the mixed reality helmet; the mixed reality helmet is in signal connection with the positioning device, is worn by a user, and is used for displaying keys of the piano and displaying the virtual training scene on the upper side of the keys of the piano according to the relative position between the keys of the piano and the mixed reality helmet detected by the positioning device;
the virtual training scene comprises a virtual playing prompt line, and a prompt symbol falling from top to bottom is arranged above the playing prompt line;
the prompter has two forms with different shapes, namely a first form and a second form, the prompter is in the first form when the prompter is far away from the playing cue line, and the prompter is in the second form when the prompter is close to the playing cue line;
when the prompter is in the second form, the size of the prompter in the vertical direction is in direct proportion to the duration of the prompter;
the playing prompt lines displayed by the mixed reality helmet are distributed at the front lower position right facing human eyes, move along with the up-and-down movement of the mixed reality helmet and do not move along with the left-and-right movement of the mixed reality helmet.
2. The mixed reality-based piano training system of claim 1, wherein the play cue line comprises an effective cue section, the effective cue section is equally divided into N cue drop sections by a plurality of dividing lines, the number of N is the same as the number of keys of the piano, and the N cue drop sections are in one-to-one correspondence with the N keys on the piano.
3. The mixed reality based piano training system of claim 1, wherein the processing device is further configured to generate a corresponding audio signal after loading the standard piano file, the mixed reality helmet is further configured to receive the audio signal and play a corresponding standard melody.
4. A mixed reality based piano training method, characterized in that the piano training system of claim 1 is used, the piano training method comprising the steps of:
loading the standard piano file on the processing device, and generating the corresponding virtual training scene by the processing device according to the standard piano file;
the mixed reality helmet is started and worn, and a trainer can see keys of the piano and the virtual training scene positioned on the upper side of the keys through the mixed reality helmet;
and the trainer carries out playing training on the keys according to the virtual training scene, and can hear the sound generated when the keys are pressed.
5. The mixed reality-based piano training method of claim 4, wherein the piano training method comprises the steps of:
the processing device generates a corresponding audio signal after the standard piano file is loaded;
the mixed reality helmet receives the audio signal and plays the corresponding standard melody.
6. The mixed reality-based piano training method of claim 4, wherein the virtual training scene comprises a virtual playing cue line, and a cue symbol falling from top to bottom is arranged above the playing cue line; the prompter has two forms with different shapes, namely a first form and a second form, the prompter is in the first form when the prompter is far away from the playing cue line, and the prompter is in the second form when the prompter is close to the playing cue line; when the prompter is in the second form, the size of the prompter in the vertical direction is in direct proportion to the duration of the prompter; the playing cue line comprises an effective cue section, the effective cue section is equally divided into N cue drop sections by a plurality of separation lines, the numerical value of N is the same as the number of keys of the piano, and the N cue drop sections are in one-to-one correspondence with the N keys on the piano;
the process of the trainee playing and training on the keys according to the virtual training scene is as follows: when the prompt falls to the bottom and just contacts with the playing prompt line, a trainer presses the key corresponding to the prompt falling section where the prompt is located, and releases the key after the top of the prompt is just separated from the playing prompt line, when the prompt falls to the playing prompt line and contacts, the prompt extends downwards to form an extension section, and the extension section is aligned with and connected with the corresponding key.
7. The mixed reality-based piano training method of claim 6, wherein the playing cue lines displayed by the mixed reality helmet are distributed at a front lower position facing human eyes, and move with the mixed reality helmet moving up and down, but not move with the mixed reality helmet moving left and right.
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| US11972693B2 (en) | 2021-11-18 | 2024-04-30 | Joytunes Ltd. | Method, device, system and apparatus for creating and/or selecting exercises for learning playing a music instrument |
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| US11670188B2 (en) | 2020-12-02 | 2023-06-06 | Joytunes Ltd. | Method and apparatus for an adaptive and interactive teaching of playing a musical instrument |
| US11900825B2 (en) | 2020-12-02 | 2024-02-13 | Joytunes Ltd. | Method and apparatus for an adaptive and interactive teaching of playing a musical instrument |
| US11893898B2 (en) | 2020-12-02 | 2024-02-06 | Joytunes Ltd. | Method and apparatus for an adaptive and interactive teaching of playing a musical instrument |
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| US20130137076A1 (en) * | 2011-11-30 | 2013-05-30 | Kathryn Stone Perez | Head-mounted display based education and instruction |
| CN104217625B (en) * | 2014-07-31 | 2017-10-03 | 合肥工业大学 | A kind of piano assistant learning system based on augmented reality |
| CN106981282A (en) * | 2016-01-15 | 2017-07-25 | 易弹信息科技（上海）有限公司 | A kind of piano performance key reminding method and system |
| KR20170138135A (en) * | 2016-06-07 | 2017-12-15 | 주식회사 테일윈드 | Method of helping piano performance and based on augemented reality and apparatus performing the same |
| CN106652656A (en) * | 2016-10-18 | 2017-05-10 | 朱金彪 | Learning and playing method and device by means of virtual musical instrument and glasses or helmet using the same |
| CN106373456B (en) * | 2016-11-09 | 2019-03-05 | 快创科技（大连）有限公司 | Based on AR augmented reality and play the violin assisted learning experiencing system evaluated |
| CN108205946B (en) * | 2016-12-16 | 2022-07-15 | 北京酷我科技有限公司 | Piano teaching method and device based on augmented reality and piano |
| CN107025901A (en) * | 2017-04-05 | 2017-08-08 | 宁多夫（上海）教育科技有限公司 | A kind of virtual piano |
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| US11972693B2 (en) | 2021-11-18 | 2024-04-30 | Joytunes Ltd. | Method, device, system and apparatus for creating and/or selecting exercises for learning playing a music instrument |
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