阅读说明：本技术 一种弹拨类乐器 (Plucked instrument ) 是由 程建铜 毛文铭 安宁 谢金光 王帅利 于 2018-09-13 设计创作，主要内容包括：本发明公开了一种弹拨类乐器,包括本体、弹奏信号检测组件和控制器；本体包括面板和琴弦,弹奏信号检测组件与控制器电连接；弹奏信号检测组件,用于获取琴弦被弹奏时产生的弹奏信号,并将弹奏信号发送给控制器,弹奏信号包括弹拨信号和按压信号；控制器,用于将弹奏信号转换成乐器数字接口MIDI信号并输出。本技术方案中,通过弹奏信号检测组件获取古筝的琴弦被弹奏时产生的弹奏信号,将相应的弹奏信号转化成MIDI信号,就可以获取古筝的音频的数字信号,而非是模拟信号,根据转化的MIDI信号就可以实现对弹奏者的弹奏的音阶和弹奏信息进行准确的评估,确定其弹奏的准确度,利于弹奏者打下良好的弹奏基础或利于新曲目的训练。(The invention discloses a plucked instrument, which comprises a body, a playing signal detection assembly and a controller, wherein the playing signal detection assembly is connected with the body; the body comprises a panel and strings, and the playing signal detection assembly is electrically connected with the controller; the playing signal detection assembly is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller, and the playing signal comprises a poking signal and a pressing signal; and the controller is used for converting the playing signal into a MIDI signal of a musical instrument digital interface and outputting the MIDI signal. In the technical scheme, the playing signal generated when the string of the Chinese zither is played is acquired through the playing signal detection component, the corresponding playing signal is converted into the MIDI signal, the digital signal of the audio frequency of the Chinese zither can be acquired instead of the analog signal, the accurate evaluation of the musical scale and the playing information of the player can be realized according to the converted MIDI signal, the playing accuracy of the Chinese zither is determined, and the Chinese zither music playing instrument is favorable for the player to lay a good playing foundation or is favorable for the training of a new music purpose.)

1. A plucked instrument is characterized by comprising a body, a playing signal detection assembly and a controller; the body comprises a panel and strings, and the playing signal detection assembly is arranged on the panel and is electrically connected with the controller;

the playing signal detection component is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller; the playing signal comprises a dialing signal and a pressing signal;

and the controller is used for converting the playing signal into a musical instrument digital interface MIDI signal and outputting the signal.

2. The plucked instrument as set forth in claim 1, wherein the playing information detection assembly includes a pickup; the pickup is arranged at one end of the panel and comprises sub pickups which correspond to the strings one by one;

the adapter is used for gathering the signal is dialled in the production when the string is played, the signal of dialling includes the string of being dialled and the vibration frequency of the string of the musical instrument of being dialled.

3. The plucked instrument of claim 2,

and each sub-pickup of the pickup is respectively arranged on the panel right below the corresponding string.

4. The plucked instrument as set forth in claim 1 or 2, characterized in that the playing information detection component includes a photoelectric trigger sensor; the photoelectric trigger sensors are arranged at one end of the panel and comprise sub photoelectric trigger sensors which correspond to the strings one by one;

the photoelectric trigger sensor is used for collecting a plucking signal generated when the string is played, and the plucking signal comprises string information and playing force.

5. The plucked instrument as set forth in claim 1, wherein the play information detecting component includes a press signal detecting component; the pressing signal detection assembly is arranged at the other end of the panel and comprises sub pressing signal detection assemblies in one-to-one correspondence with the strings;

the pressing signal detection assembly is used for collecting pressing strength information when the string is pressed; the pressing force degree information includes information of a string being pressed and a degree of pressing force.

6. The plucked instrument of claim 5,

and the sub-pressing signal detection assemblies of the pressing signal detection assembly are respectively arranged on the panel right below the corresponding strings.

7. The plucked instrument of claim 5, wherein the pressing signal detecting assembly comprises a pressure sensor, or an optical displacement measuring sensor, or a tension measuring sensor.

8. The plucked instrument of claim 1, further comprising light emitting elements in one-to-one correspondence with said strings, each light emitting element being connected to said controller, respectively; the light-emitting component comprises a pressing light-emitting component and a poking light-emitting component;

and the controller is used for controlling the corresponding light-emitting component to carry out light-emitting display according to the playing signal or the received audio signal input by the external equipment.

9. The plucked instrument of claim 8,

each light-emitting component is respectively arranged on the panel right below the corresponding string;

or each light-emitting component is respectively arranged on the corresponding string on the body;

or each light-emitting component is respectively arranged on the corresponding bridge of the body;

or, each light-emitting component is respectively arranged at one end of the body and is in one-to-one correspondence with the strings.

10. The plucked instrument of claim 8,

the controller is specifically configured to control the corresponding light emitting assemblies to perform display of different colors and/or different brightnesses according to the audio signal.

11. The plucked instrument as claimed in claim 1, further comprising a string adjusting means for adjusting the tension of the strings;

the playing signal detection component is also used for acquiring the adjusted playing signal of the string played and sending the adjusted playing signal to the controller;

and the controller is used for judging whether the playing signal is accurate or not according to preset tone information.

12. The plucked instrument of claim 11, wherein the tuning means comprises a transmission;

and the controller is used for controlling the transmission device to carry out string adjustment operation according to the string adjustment command.

13. The plucked instrument of claim 1, wherein the plucked instrument comprises an audio source storage device for storing one or more audio sources and corresponding audio files;

and the controller is used for correspondingly adjusting the audio file corresponding to the specified sound source and outputting the audio file according to the instruction for adjusting the specified sound source.

14. The plucked instrument as set forth in claim 1, wherein the plucked instrument comprises an audio source storage means for storing audio source information of one or more audio sources;

the controller is used for processing the playing signal into a MIDI signal corresponding to the specified sound source and outputting the MIDI signal according to the playing signal and the pressing signal in the playing signal acquired by the playing signal detection component and the sound source information of the specified sound source.

Technical Field

The invention relates to the technical field of musical instruments, in particular to a plucked musical instrument.

Background

Nowadays, plucked instruments are not only exclusive instruments for professional people, but also are beginning to enter the lives of non-professional people as entertainment tools to enrich the amateur lives or improve the comprehensive literacy of the people. In the process of learning to play and pluck the musical instruments, a good foundation can be laid only by accurate playing; or, when practicing playing a new song, the accuracy of playing needs to be evaluated to obtain a more accurate playing effect.

Disclosure of Invention

In view of the above, the present invention has been made to provide a plucked instrument which overcomes or at least partially solves the above problems.

According to an aspect of the present invention, there is provided a plucked instrument including a body, a play signal detection assembly, and a controller; the body comprises a panel and strings, and the playing signal detection assembly is arranged on the panel and is electrically connected with the controller;

the playing signal detection component is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller; the playing signal comprises a dialing signal and a pressing signal;

and the controller is used for converting the playing signal into a musical instrument digital interface MIDI signal and outputting the signal.

Optionally, the playing information detecting component comprises a microphone; the pickup is arranged at one end of the panel and comprises sub pickups which correspond to the strings one by one;

the adapter is used for gathering the signal is dialled in the production when the string is played, the signal of dialling includes the string of being dialled and the vibration frequency of the string of the musical instrument of being dialled.

Alternatively,

and each sub-pickup of the pickup is respectively arranged on the panel right below the corresponding string.

Optionally, the playing information detecting component comprises a photoelectric trigger sensor; the photoelectric trigger sensors are arranged at one end of the panel and comprise sub photoelectric trigger sensors which correspond to the strings one by one;

the photoelectric trigger sensor is used for collecting a plucking signal generated when the string is played, and the plucking signal comprises string information and playing force.

Optionally, the playing information detecting component comprises a pressing signal detecting component; the pressing signal detection assembly is arranged at the other end of the panel and comprises sub pressing signal detection assemblies in one-to-one correspondence with the strings;

the pressing signal detection assembly is used for collecting pressing strength information when the string is pressed; the pressing force degree information includes information of a string being pressed and a degree of pressing force.

Alternatively,

and the sub-pressing signal detection assemblies of the pressing signal detection assembly are respectively arranged on the panel right below the corresponding strings.

Optionally, the pressing signal detection assembly comprises a pressure sensor, or a photoelectric displacement measurement sensor, or a tension measurement sensor.

Optionally, the plucked instrument further comprises light emitting assemblies corresponding to the strings one to one, and each light emitting assembly is connected to the controller; the light-emitting component comprises a pressing light-emitting component and a poking light-emitting component;

and the controller is used for controlling the corresponding light-emitting component to perform light-emitting display according to the playing signal or the received audio signal input by the external equipment and according to the audio signal.

Optionally, each light emitting assembly is respectively arranged on the panel right below the corresponding string;

or each light-emitting component is respectively arranged on the corresponding string on the body;

or each light-emitting component is respectively arranged on the corresponding bridge of the body;

or, each light-emitting component is respectively arranged at one end of the body and is in one-to-one correspondence with the strings.

Alternatively,

the controller is specifically configured to control the corresponding light emitting assemblies to perform display of different colors and/or different brightnesses according to the audio signal.

Optionally, the plucked instrument further comprises a string adjusting device for adjusting the tension of the strings;

the playing signal detection component is also used for acquiring the adjusted playing signal of the string played and sending the adjusted playing signal to the controller;

and the controller is used for judging whether the playing signal is accurate or not according to preset tone information.

Optionally, the tuning device comprises a transmission;

and the controller is used for controlling the transmission device to carry out string adjustment operation according to the string adjustment command.

Optionally, the plucked instrument comprises a sound source storage device for storing one or more sound sources and corresponding audio files;

and the controller is used for correspondingly adjusting the audio file corresponding to the specified sound source and outputting the audio file according to the instruction for adjusting the specified sound source.

Optionally, the plucked instrument comprises a sound source storage device for storing sound source information of one or more sound sources;

the controller is used for processing the playing signal into a MIDI signal corresponding to the specified sound source and outputting the MIDI signal according to the playing signal and the pressing signal in the playing signal acquired by the playing signal detection component and the sound source information of the specified sound source.

According to the technical scheme of the invention, the plucked instrument comprises a body, a playing signal detection assembly and a controller; the body comprises a panel and strings, and the playing signal detection assembly is electrically connected with the controller; the playing signal detection assembly is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller; and the controller is used for converting the playing signal into a MIDI signal of a musical instrument digital interface and outputting the MIDI signal. In the technical scheme, the playing signal generated when the strings of the plucked instrument are played is acquired through the playing signal detection assembly, the corresponding playing signal is converted into the MIDI signal, the digital signal of the audio frequency of the plucked instrument can be acquired instead of the analog signal, the accurate evaluation of the playing scale and the playing information of a player can be realized according to the converted MIDI signal, the playing accuracy of the player is determined, and the player can play a good playing basis or is beneficial to the training of new music goals.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 shows a schematic structural diagram of a koto according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The invention provides a plucked instrument which comprises a body, a playing signal detection assembly and a controller, wherein the playing signal detection assembly is arranged on the body; the body includes panel and string, and the signal detection subassembly of playing sets up on the panel, is connected with the controller electricity, for example is connected with the controller through the data line.

The device comprises a string, a playing signal detection assembly, a controller and a string playing module, wherein the playing signal detection assembly is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller; the playing signals comprise a dialing signal and a pressing signal; and the controller is used for converting the playing signal into a MIDI signal of a musical instrument digital interface and outputting the MIDI signal.

In this embodiment, the controller may be an FPGA processor; the playing signal comprises a plucking signal and a pressing signal, namely, the playing signal detection component can detect the plucking and pressing conditions of the plucking type musical instrument. For example, the playing signal detecting component is a component that can acquire a playing signal when a string is plucked, such as a pressure sensor, which string is pressed and pressing force information can be acquired; for another example, the sound pick-up can acquire the signal of plucking that produces when the string is played, and the signal of plucking here can mark which string is plucked and information such as dynamics of playing.

It can be seen that, the playing signal detection assembly of the embodiment is used for acquiring the playing signal generated when the string of the plucked instrument is played, and converting the corresponding playing signal into the MIDI signal, so as to acquire the digital signal of the audio frequency of the plucked instrument instead of the analog signal, and the accurate evaluation of the playing scale and the playing information of the player can be realized according to the converted MIDI signal, thereby determining the playing accuracy of the player, and being beneficial to the player to lay a good playing foundation or to the training of new music goals.

Meanwhile, the plucked instrument in the embodiment can be applied to teaching and practice, for example, the plucked instrument is connected with external equipment, and output MIDI signals are input into the external equipment and applied to a music teaching game installed in the external equipment, so that a player can finish playing the plucked instrument in the game, and the interestingness is improved.

The technical scheme of the invention is applied to plucked musical instruments, such as traditional and western playing musical instruments like Chinese zither, Guqin, lute and guitar. The following takes koto as an example to explain the technical solution in detail.

Fig. 1 shows a schematic structural diagram of a koto according to an embodiment of the present invention. As shown in fig. 1, the koto includes a body 110, a playing signal detecting component, and a controller 120; the body 110 includes a panel 111, strings, a head 112, a tail 113, and a bridge 114, and the playing signal detecting assembly is disposed on the panel 111 and electrically connected to the controller 120 (not shown in fig. 1).

In one embodiment of the present invention, the playing information detecting assembly shown in fig. 1 includes a sound pickup 130; the pickup 130 is provided at one end of the panel 111, and includes sub-pickups corresponding to the strings one to one.

The adapter 130 for gather the signal of plucking that produces when the string is played, the signal of plucking includes the string of being plucked and the vibration frequency of the string of being plucked.

The adapter in the signal detection subassembly of playing in this embodiment can detect the condition of plucking of string, detects the signal of plucking promptly, can confirm which string is plucked and the vibration frequency of the string of plucking through the signal of plucking, can confirm the dynamics of plucking to the string through this vibration frequency.

Here with pickup 130 setting in the one end of body 110, consider that the zither when being played, for the person of playing, need press the left string of the bridge of zither, play the plucking to the string on the bridge right side of zither because what the pickup gathered is the voltage signal that the string produced when being played, consequently, set up the pickup on the right side of zither. In particular, the Chinese zither is arranged on a panel at the right end of the Chinese zither.

Specifically, when one or more sub-pickups of the pickups acquire a voltage signal, the controller determines playing information of the koto according to the playing signal according to the acquired voltage signal acquired by the one or more sub-pickups, converts the playing information into a MIDI signal, and outputs the MIDI signal. Preferably, the controller may determine strings corresponding to the sub-sound collectors according to the identification information of the sub-sound collectors; according to the obtained voltage magnitude of the voltage signal collected by each sub sound pick-up, obtaining the playing force of the string corresponding to each sub sound pick-up; and determining playing information of the plucked instrument according to the determined strings corresponding to the sub-pickups and the obtained playing force of the strings corresponding to the sub-pickups. And taking the playing strength of the strings corresponding to the determined played sub-pickup and the strings corresponding to the determined played sub-pickup as playing information of the koto.

Preferably, the sub-pickups of the pickup 130 are respectively provided on the panel 111 directly below the corresponding strings.

In this embodiment, because the sub-adapter and the string one-to-one of adapter, in order to make the sub-adapter can accurately acquire the signal of plucking that produces when the string that corresponds is played, need set up each sub-adapter on the panel directly under the string that corresponds.

In one embodiment of the present invention, the playing information detecting component includes a photoelectric trigger sensor; the photoelectric trigger sensor is arranged at one end of the panel and comprises sub photoelectric trigger sensors which correspond to the strings one by one.

This photoelectric trigger sensor for gather the signal of plucking that the string produced when being played, the signal of plucking is including the string information and the dynamics of playing of being played.

In this embodiment, can gather the signal of plucking when the string is played through the photoelectric trigger sensor, which string is plucked promptly and the dynamics of playing of the string of plucking.

The two embodiments respectively adopt the pickup and the photoelectric trigger sensor to collect the played string information and the played string strength information, and in the technical scheme, the pickup and the photoelectric trigger sensor can be respectively and independently used; the collected string information and the accuracy of the playing force information of the played string can be guaranteed.

In one embodiment of the present invention, the playing information detecting component includes a press signal detecting component 140; the pressing signal detecting assembly 140 is disposed at the other end of the panel 111, and includes sub-pressing signal detecting assemblies in one-to-one correspondence with the strings; the pressing signal detection assembly 140 is used for collecting pressing strength information when the string is pressed; the pressing force degree information includes information of a string being pressed and a degree of pressing force.

In the present embodiment, the pressing signal detection assembly 140 is provided on the other end of the panel 111 opposite to the end where the sound pickup and/or the photoelectric trigger sensor are provided, and the controller converts the pressed string information and the degree of pressing collected by the pressing signal detection assembly into MIDI signals as playing information. Consider that the zither when being played, for the player, need press the string on the left of the bridge of zither, play the string on the right side of the bridge of zither, because what press signal detection subassembly to gather is the pressing strength information that the string produced when being pressed, consequently, will press signal detection subassembly and set up the left side at the zither. In particular, the Chinese zither is arranged on a panel at the left end of the Chinese zither.

Preferably, the sub-pressing signal detecting members of the pressing signal detecting member are respectively provided on the panel directly below the corresponding strings.

In this embodiment, because the sub-pressing signal detection assemblies of the pressing signal detection assembly correspond to the strings one to one, in order to enable the sub-pressing signal detection assemblies to accurately acquire the pressing strength information generated when the corresponding strings are pressed, each sub-pressing signal detection assembly needs to be arranged on the panel right below the corresponding string.

Preferably, the pressing signal detecting assembly 140 includes a pressure sensor, or a photoelectric displacement measuring sensor, or a tension measuring sensor.

In this embodiment, the collection of the pressing strength information when the string is pressed can be realized by the three sensors.

The pressure sensor can acquire pressing strength information when the string is pressed; the photoelectric displacement measurement sensor can obtain pressing strength information when the string is pressed through the pressing displacement of the string; the tension measuring sensor can judge the pressing force information of the string pressed by detecting the tension degree of the kiss letter.

In one embodiment of the present invention, the zither further comprises light emitting components in one-to-one correspondence with the strings, and each light emitting component is respectively connected with the controller 120; the light emitting component comprises a pressing light emitting component and a poking light emitting component.

And a controller 120 for controlling the corresponding light emitting components to perform light emitting display according to the playing signal or the received audio signal input by the external device.

In the present embodiment, the light emitting assembly also includes a pressing light emitting assembly and a plucking light emitting assembly, considering that the zither has a pressing action and a plucking action when being played.

In the embodiment, the koto can control the pressing light-emitting component and the plucking light-emitting component of the light-emitting component to respectively perform light-emitting display according to the playing signal played by the player so as to prompt the current pressing and plucking states of the player; for example, a playing signal is a signal for a musical scale 1, the musical scale 1 corresponds to the plucking of the string 1 and the pressing of the string 1, and then the controller controls the pressing light-emitting component and the plucking light-emitting component in the light-emitting component 1 corresponding to the string 1 to perform light-emitting display according to the audio signal.

Simultaneously, the audio signal of external equipment input can also be accepted to the koto in this embodiment, the player can practise according to received audio signal, simultaneously, in order to indicate the player, so that its better practises according to received audio signal accuracy, the koto in this embodiment still is provided with light emitting component, the controller controls the corresponding light emitting component that presses and dials light emitting component and gives out light respectively according to received audio signal, indicate the player how to dial and how to press. For example, an audio signal is a signal for the scale 2, and the scale 2 corresponds to the plucking of the string 2 and the pressing of the string 2, so the controller controls the pressing light emitting component and the plucking light emitting component of the light emitting component 2 corresponding to the string 2 to emit light for display according to the audio signal. The external devices here include PCs, pads, cell phones, and the like.

In this technical solution, the light emitting element may be disposed in any one of a variety of ways.

(1) In one embodiment of the invention, each light emitting assembly is disposed on a panel directly below a corresponding string.

That is, in the present embodiment, the panel corresponding to the lower portion of each string performs the light emitting display according to the audio signal inputted from the external device.

(2) In one embodiment of the invention, the light emitting components are respectively arranged on the corresponding strings on the body.

In the embodiment, the strings can perform light emitting display according to the audio signals input by the external equipment.

(3) Each light-emitting component is arranged on the corresponding bridge of the body.

Because the light emitting component comprises the pressing light emitting component and the ejecting light emitting component, in the embodiment, the pressing light emitting component and the ejecting light emitting component can be respectively placed on the bridge or on two sides of the bridge. Specifically, the pressing light-emitting assembly is arranged on one side of the body corresponding to the string to be pressed, such as the left side of the bridge; the light emitting component is plucked to the bullet sets up in the body and corresponds the one side of the string that needs the bullet to pluck, for example, the right side of musical instrument sign indicating number.

(4) Each light emitting component is arranged at one end of the body respectively and is in one-to-one correspondence with the strings.

Because the light-emitting components include the pressing light-emitting component and the plucking light-emitting component, in this embodiment, the pressing light-emitting component is disposed at an end corresponding to the pressing string, for example, a left end of the zheng (e.g., a mountain or a vicinity of the mountain of the tail of the zheng); the plucking light-emitting assembly is arranged at one end corresponding to the plucking string, for example, the right end of the Chinese zither (such as the mountain of the head of the Chinese zither or the vicinity of the mountain).

In one embodiment of the present invention, the controller is specifically configured to control the corresponding light emitting components to perform different colors and/or different brightness display according to the audio signal.

In this embodiment, the input audio signals correspond to different scales and tones, and thus, the display can be performed by controlling the color and/or the brightness of the light emitting elements. For example, an audio signal is a signal for scale 1, tone 1, where scale 1 corresponds to string 1, and then the controller controls the light-emitting component 1 corresponding to string 1 to display the brightness of tone 1 according to the audio signal; and the other audio signal is a signal aiming at the scale 1, namely the tone 2, wherein the scale 1 corresponds to the string 1, and then the controller controls the light-emitting component 1 corresponding to the string 1 to display the light-emitting brightness of the tone 2 according to the audio signal.

In one embodiment of the invention, the length of each light emitting assembly corresponds to the length of the string on the body.

In the present embodiment, in order to facilitate the light emitting assembly to show more prominence and to be beautiful when emitting light, the length of the light emitting assembly is set to be identical to the length of the string. When each light-emitting component is arranged on the panel right below the corresponding string, the panel right below the string can emit light for display; when each light-emitting component is arranged on the corresponding string, the whole string can emit light for display.

In the technical scheme, the Chinese zither can also realize the function of automatic tuning. See the examples below for details.

In one embodiment of the invention, the zither further comprises a tuning device for adjusting the tension of the strings.

Then, the playing signal detection component is also used for collecting the adjusted playing signal of the string after being played and sending the signal to the controller; and the controller is used for judging whether the playing signal is accurate or not according to the preset intonation information.

In this embodiment, a tuning device is added at the head of the zither to adjust the tension of the corresponding string, and after the adjustment is finished, a player can play the designated tone, so that the controller can judge whether the tuning is accurate according to the preset intonation information, if so, the player is prompted to tune the string accurately, and if not, the player is prompted to tune the string inaccurately, the accuracy of tuning is judged, and the use embodiment of the player is further improved. In addition, the tuning device can also realize the tuning function of the Chinese zither.

Preferably, the tuning device comprises a transmission; and the controller is used for controlling the transmission device to carry out string adjustment operation according to the string adjustment command.

The player can send a string adjusting instruction through keys of the Chinese zither or a mobile terminal connected with the Chinese zither, so that the controller controls the transmission device to perform string adjusting operation.

In one embodiment of the present invention, a zither includes an audio source storage device for storing one or more audio sources and corresponding audio files.

And the controller is used for correspondingly adjusting the audio file corresponding to the specified sound source and outputting the audio file according to the instruction for adjusting the specified sound source.

In this embodiment, the zither has the sound source and the audio file of the sound source, and various effects of the sound source, such as tone variation, time delay, reverberation, and the like, can be achieved by performing various processing adjustments on the audio file of the sound source.

In one embodiment of the invention, the zither comprises an audio source storage device for storing audio source information of one or more audio sources.

And the controller is used for processing the playing signal into a MIDI signal corresponding to the specified sound source and outputting the MIDI signal according to the playing signal and the pressing signal in the playing signal acquired by the playing signal detection component and the sound source information of the specified sound source.

In this embodiment, a function of converting a playing signal into a designated sound source can be realized. The player selects a designated sound source, such as a drum, an erhu, etc., as required, and the sound played by the player through the koto is the sound of the designated sound source through the conversion of the playing signal.

In one embodiment of the present invention, the controller 120 is configured to receive external audio input from an external device, and output the converted MIDI signals and the received external audio.

In this embodiment, an external audio, such as a mixed audio, may be input, and the external audio and a MIDI signal are output together, so that the audio generated by the koto is richer and a playing effect more meeting the requirement is obtained. Or, through the addition of external audio, the accuracy of playing is further evaluated.

In summary, according to the technical solution of the present invention, a zheng includes a body, a playing signal detecting component and a controller; the body comprises a panel and strings, and the playing signal detection assembly is electrically connected with the controller; the playing signal detection assembly is used for acquiring a playing signal generated when the string is played and sending the playing signal to the controller; and the controller is used for converting the playing signal into a MIDI signal of a musical instrument digital interface and outputting the MIDI signal. In the technical scheme, the playing signal generated when the string of the Chinese zither is played is acquired through the playing signal detection component, the corresponding playing signal is converted into the MIDI signal, the digital signal of the audio frequency of the Chinese zither can be acquired instead of the analog signal, the accurate evaluation of the musical scale and the playing information of the player can be realized according to the converted MIDI signal, the playing accuracy of the Chinese zither is determined, and the Chinese zither music playing instrument is favorable for the player to lay a good playing foundation or is favorable for the training of a new music purpose.

While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of illustrating the invention rather than the foregoing detailed description, and that the scope of the invention is defined by the claims.