CN106548767A - Playing control method and device and playing musical instrument - Google Patents

Abstract

The embodiment of the present invention discloses a performance control method, device and musical instrument. The method comprises: obtaining music score information according to the music identification of the selected music to be played; generating a driving signal according to the music score information; transmitting the driving signal to the musical instrument so that the musical instrument performs according to the driving signal. The embodiment of the present invention provides a performance control method, which solves the problem that if you want to hear a variety of beautiful sounds from a musical instrument, you can only hear them through the performance of professional musicians. By controlling the performance of the musical instrument, the musical instrument can realize automatic performance control, so that you can hear a variety of beautiful sounds from the musical instrument.

Description

Performance control method, device and musical instrument

technical field

The embodiments of the present invention relate to the technical field of musical instruments, in particular to a performance control method, device and musical instrument.

Background technique

A musical instrument refers to an instrument capable of emitting musical sounds and recreating musical art, such as percussion instruments or keyboard instruments. Users usually express and exchange thoughts and feelings by playing musical instruments.

However, the existing musical instruments must be played by some professionals who have a musical foundation to produce a pleasant sound, and many people do not have the ability to perform. If these people also want to hear a pleasant performance, it is not so easy. Therefore, the existing musical instruments have a narrow range of use and do not have universal applicability.

Contents of the invention

Embodiments of the present invention provide a performance control method, device, and musical instrument, which control the performance of the musical instrument so that the musical instrument can realize automatic performance control.

In a first aspect, an embodiment of the present invention provides a performance control method, including:

Obtain score information according to the music identification of the selected music to be played;

generating a drive signal according to the score information;

The driving signal is transmitted to the musical instrument, so that the musical instrument performs performance according to the driving signal.

Further, obtaining score information according to the music identification of the selected music to be played includes:

Obtain MIDI file according to the music identification of the selected music to be played; analyze the MIDI file to obtain score information.

Further, the score information includes at least one of the following:

Note, note start time, note end time, pitch, note duration, play volume, and drive velocity.

Further, the drive signal includes at least one of the following:

Note channel, channel start time, channel end time, channel current level, drive velocity value, and drive brightness value.

In the second aspect, the embodiment of the present invention also provides a performance control device, including:

Music score acquisition module, used for obtaining music score information according to the music identification of the selected music to be played;

a signal generating module, configured to generate a driving signal according to the score information;

The signal sending module is used for sending the driving signal to the musical instrument, so that the musical instrument performs performance according to the driving signal.

Further, the music score acquisition module is specifically configured to acquire a MIDI file according to the music identification of the selected music to be played; analyze the MIDI file to acquire music score information.

Further, the score information includes at least one of the following:

Note, note start time, note end time, pitch, note duration, play volume, and drive velocity.

Further, the drive signal includes at least one of the following:

Note channel, channel start time, channel end time, channel current level, drive velocity value, and drive brightness value.

In a third aspect, an embodiment of the present invention further provides a performance musical instrument, including any one of the performance control devices provided in the second aspect above.

Further, it also includes: a drive module;

The driving module is connected in communication with the performance control device, and is used for receiving the driving signal sent by the performance control device, and performing performance according to the driving signal.

Further, the drive module includes: a hammer, a shrapnel and at least one electromagnet;

The electromagnet is used to drive the hammer to hit the shrapnel to produce sound under the driving signal.

Further, the drive module also includes: a pivot;

The pivot is the central axis of rotation of the hammer.

Further, it also includes a processor and a chip;

The performance control device is integrated in the processor, and the processor sends the score information to the chip for processing to generate a driving signal.

Further, it also includes: signal display lights;

The chip is connected to the signal display lamp, and the signal display lamp is set correspondingly to the keys of the musical instrument;

The signal display lamp is used for the driving signal sent by the chip, and indicates the playing state of the corresponding key according to the driving signal.

According to the technical solution of the embodiment of the present invention, the musical score information is obtained according to the music identification of the selected music to be played, a driving signal is generated according to the musical score information, and the driving signal is transmitted to the musical instrument, so that the musical instrument Play; solve the problem that if you want to hear all kinds of wonderful sounds from the musical instrument, you can only hear it through professional musicians. The technical solution provided by the embodiment of the invention can control the performance of the musical instrument. Make the playing instrument realize automatic performance control, so as to hear various wonderful sounds from the playing instrument.

Description of drawings

Fig. 1 is a flow chart of a performance control method provided by Embodiment 1 of the present invention;

Fig. 2 is a flow chart of a performance control method provided by Embodiment 2 of the present invention;

Fig. 3 is a schematic structural diagram of a performance control device provided by Embodiment 3 of the present invention;

FIG. 4 is a schematic structural view of a musical instrument provided by Embodiment 4 of the present invention;

Fig. 5 is a schematic structural view of a playing musical instrument provided by Embodiment 5 of the present invention;

Fig. 6 is a structural schematic diagram of a driving module in a musical instrument provided by Embodiment 5 of the present invention;

Fig. 7 is a schematic structural diagram of a playing musical instrument provided by Embodiment 6 of the present invention;

Fig. 8 is a schematic diagram of circuit connection of the chip DM132 in the musical instrument provided by Embodiment 6 of the present invention.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

Embodiment one

Fig. 1 is a flow chart of a performance control method provided by Embodiment 1 of the present invention. This embodiment is applicable to realizing the automatic performance of musical instruments. The method can be performed by a performance control device, which can be implemented by software and/or Realized by means of hardware, the device can be integrated into any performance musical instrument, such as a typical percussion instrument or a keyboard instrument. The method includes:

Step 110, acquiring music score information according to the music identification of the selected music to be played.

Wherein, the music identification of the music to be played includes the music name, serial number or link (Identity, ID) and so on. The music identification method of the selected music to be played can be selected by the user or automatically. Music score information is all the information needed to complete the performance of the song, including at least one of the following: note, note performance start time, note performance end time, pitch, note performance time value, performance volume and driving force.

Among them, the music score is composed of many different notes; the start time of the note is the moment when the note is sounded; the end time of the note is the moment when the sound of the note is stopped; The frequency is related; the note playing time is the relative duration between each note; the playing volume is the size of the note sound, which is related to the amplitude of the sound; the driving force is the force used when playing the musical instrument. The above-mentioned score information is required in musical instrument performance, and is a distinctive feature for recognizing sounds in music.

Specifically, when implementing this step, the corresponding relationship between each music identifier and the corresponding score information can be established in advance, the corresponding relationship can be stored locally, or the corresponding relationship can also be sent to the server for saving local storage space. storage, after obtaining the music ID of the music to be played, the music score information corresponding to the music ID can be queried from the corresponding relationship stored locally or in the server. Or, after obtaining the music identification of the music to be played, the music score information corresponding to the music identification is obtained through Internet search.

Step 120, generating a driving signal according to the music score information.

Wherein, the driving signal is a signal that matches the performance of the musical instrument, and can make the musical instrument generate the desired sound. Preferably, the driving signal includes but not limited to at least one of the following: note channel, channel start time, channel end time, channel current level, driving force value and driving brightness value.

Among them, the note channel corresponds to the channel that can emit the corresponding note. The channel start time is the moment when the channel is opened to make the instrument sound; the channel end time is the moment when the channel is closed and the instrument stops sounding; the channel current level is the channel The size of the output current, the current size is divided into grades; the driving force value is the force acting on the instrument; the driving brightness value is the brightness of the signal display lamp. The above-mentioned driving signal can correspond to the information of the musical score, and the level of the current corresponds to different dynamics, which can better control the dynamic performance of the sound emitted by the musical instrument compared with the monotonicity of the simulated or synthesized effect of the speaker sound.

When this step is actually implemented, the music score can be divided into multiple subsections according to the rhythm or beat according to the music score information, and the driving signals are generated for all the notes in each subsection according to the performance timing, and accordingly the driving signals of each subsection are transmitted to musical instrument. Alternatively, all the notes in the entire music score information are generated at one time according to the playing time sequence, and the driving signal is transmitted to the musical instrument.

Step 130, transmit the driving signal to the musical instrument, so that the musical instrument performs performance according to the driving signal.

Among them, musical instruments are performance instruments including but not limited to keyboard instruments (for example, pianos, electronic organs, etc.) and percussion instruments, which can be used by professional musicians to produce beautiful sounds and play moving melodies.

Specifically, taking the piano among keyboard musical instruments as an example, after the piano receives the driving signal, it will automatically drive the keys of the piano to move according to the driving signal, so as to pop up notes in the music score.

In the technical solution of this embodiment, the musical score information is obtained according to the music identification of the selected music to be played, a driving signal is generated according to the musical score information, and the driving signal is transmitted to the musical instrument, so that the musical instrument can perform the operation according to the driving signal. Play; solve the problem that if you want to hear various wonderful sounds from the musical instrument, you can only hear it through professional musicians. The technical solution provided by the embodiment of the invention can control the performance of the musical instrument, so that Play the instrument to realize automatic performance control, so as to hear various beautiful sounds from the played instrument.

Embodiment two

Fig. 2 is a flow chart of a performance control method provided by Embodiment 2 of the present invention. This embodiment is optimized on the basis of the above-mentioned embodiment, and provides a better way to obtain music score information, specifically according to the selected Obtain a musical instrument digital interface (Musical Instrument Digital Interface, MIDI) file for the music identification of the music; analyze the MIDI file to obtain the score information. Correspondingly, the method of this embodiment includes:

Step 210: Obtain MIDI file according to the music identifier of the selected music to be played; analyze the MIDI file to obtain score information.

Among them, the MIDI file is a descriptive "music language", which describes the music information to be played in bytes, and uses the digital control signals of notes to record music. Because MIDI files record not sound signals, but notes, control parameters and other instructions, in the prior art, these instructions are used to instruct the MIDI device what to do, how to do it, such as which note to play, how much volume, etc. These instructions can be obtained by parsing the MIDI file, and the driving signals generated according to these instructions will reflect the score information more realistically, and the music played by subsequent musical instruments according to the driving signals will also be more pleasing to the ear.

Step 220, generating a driving signal according to the music score information.

Step 230, transmit the driving signal to the musical instrument, so that the musical instrument performs performance according to the driving signal.

The technical solution of this embodiment provides a performance control method. On the basis of the above embodiments, this embodiment provides a better way to obtain music score information, and obtains musical instrument digital interface MIDI according to the music identification of the selected music to be played. file, analyze the MIDI file to obtain the music score information, and the MIDI file is compared to the moving picture expert compression standard audio level 3 (Moving Picture Experts Group Audio Layer 3, MP3), audio and video interleaved format (Audio Video Interleaved, WAV), etc. Sound files can better obtain score information, obtain score information that is more matching with musical instrument performance, and better realize automatic performance control of musical instruments.

Embodiment Three

Fig. 3 is a schematic structural diagram of a performance control device provided in Embodiment 3 of the present invention, which is suitable for implementing the performance control method provided in the embodiment of the present invention, and has the function of enabling automatic performance control of musical instruments, as shown in Fig. 3 As shown, the device includes: a score acquisition module 310 , a signal generation module 320 and a signal transmission module 330 .

Music score acquisition module 310, for obtaining music score information according to the music identification of the music to be played selected;

A signal generation module 320, configured to generate a driving signal according to the music score information;

The signal sending module 330 is configured to transmit the driving signal to the musical instrument, so that the musical instrument performs performance according to the driving signal.

In the technical solution of this embodiment, the musical score information is obtained according to the music identification of the selected music to be played, a driving signal is generated according to the musical score information, and the driving signal is transmitted to the musical instrument, so that the musical instrument can perform the operation according to the driving signal. Play; solve the problem that if you want to hear various wonderful sounds from the musical instrument, you can only hear it through professional musicians. The technical solution provided by the embodiment of the invention can control the performance of the musical instrument, so that Play the instrument to realize automatic performance control, so as to hear various beautiful sounds from the played instrument.

Preferably, the score acquisition module 310 is specifically configured to acquire MIDI files according to the music identification of the selected music to be played; analyze the MIDI files to acquire score information.

Preferably, the score information includes at least one of the following:

Note, note start time, note end time, pitch, note duration, play volume, and drive velocity.

Preferably, the drive signal includes at least one of the following:

Note channel, channel start time, channel end time, channel current level, drive velocity value, and drive brightness value.

The above-mentioned performance control device can execute the performance control method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.

Embodiment Four

FIG. 4 is a schematic structural diagram of a musical instrument provided by Embodiment 4 of the present invention. Based on the performance control device provided in the above-mentioned embodiment, Embodiment 4 of the present invention provides a musical instrument 410 including any performance control device provided in the above-mentioned embodiment. The performance control device 420 can control the performance of the musical instrument 410, so that the musical instrument can be played automatically.

In the technical solution of this embodiment, by introducing any performance control device provided by the above-mentioned embodiments into the performance musical instrument; it solves the problem that if you want to hear various wonderful sounds from the performance musical instrument, it can only be performed by professional musicians. For the problem of hearing, the technical solution provided by the embodiment of the present invention adopts a performance musical instrument including a performance control device, which can realize automatic performance control of the performance musical instrument, so as to hear various wonderful sounds from the mechanical musical instrument.

Embodiment five

Fig. 5 is a schematic diagram of the structure of the musical instrument provided by the fifth embodiment of the present invention. On the basis of the fourth embodiment above, the musical instrument provided by the fifth embodiment further includes a driving module 510, the driving module 510 and the playing control The device 420 is connected in communication, and is used for receiving the driving signal sent by the performance control device 420, and performing performance according to the driving signal.

Wherein, the driving module 510 is communicatively connected with the performance control device 420, receives the driving signal sent by the performance control device 420, performs a performance according to the driving signal, and makes the performance emit a beautiful sound and form a moving melody. The function of the driving module is replaced by the performance function of professional musicians, so that the performance of musical instruments can be played automatically.

Preferably, as shown in FIG. 6, the driving module 510 includes: a hammer 3, a shrapnel 1 and at least one electromagnet 4; the electromagnet 4 is used to drive the hammer under the driving signal 3 hit the shrapnel 1 to make a sound. The electromagnet 4 will generate electromagnetic force under the drive of the driving signal, thereby driving the hammer 3 to hit the shrapnel 1 to produce sound; the length of the reed 1 is different, corresponding to different note channels The drive signal corresponds to the music score information, so the hammer 3 is driven by the drive signal to strike the shrapnel 1 to produce sound, which can form a moving music melody.

Wherein, the electromagnet 4 is preferably an electromagnet pair, and the electromagnet pair can be two electromagnets, or an electromagnet and an object adsorbed by the electromagnet, and the adsorbed object is generally stronger in paramagnetism. The substance, such as a magnetic block sintered by magnetic powder, of course, the adsorbed object can also be another electromagnet, which can provide stronger suction.

Preferably, the driving module 510 further includes: a pivot; the pivot is the central axis 6 for the hammer to rotate.

Wherein, the pivot is the central shaft 6 for the hammer to rotate, and the central shaft 6 is used as a fulcrum for the driving rod to rotate. Under the driving force of the electromagnet, the driving rod drives the hammer 3 to rotate around the central shaft 6 .

On the basis of the above embodiments, the embodiment of the present invention provides a performance musical instrument. In this embodiment, a driving module is introduced to receive the driving signal sent by the performance control device, and perform performance according to the driving signal, so that the driving The function of the module replaces the performance function of professional musicians, so that the musical instrument can be played automatically.

Embodiment six

Fig. 7 is a structural schematic diagram of the musical instrument provided by Embodiment 6 of the present invention. This embodiment is optimized on the basis of the musical instrument provided by the above-mentioned embodiment, and the musical instrument provided also includes a processor 610 and a chip 620; the performance control The device is integrated in the processor, and the processor 610 sends the music score information to the chip 620 for processing to generate a driving signal.

Wherein, the processor 610 can process the signal, and can analyze the score information; the chip 620 can receive the score information sent by the processor 610, and generate a driving signal according to the score information. The method of cooperating with the processor and the chip can realize the automatic performance control of the musical instrument, and at the same time, the volume change of the musical instrument can be reduced, and the control performance can be improved.

Specifically, the processor 610 may be a CortexM3 processor, a CortexM4 processor, or an STM32F processor of STMicroelectronics; the chip 620 may be a DM132 or MBI5052. The above-mentioned processor can process the signal, and can analyze the music score information; the above-mentioned chip can receive the music score information sent by the above-mentioned processor, and generate a driving signal according to the music score information.

As shown in Figure 8, connect the input/output ports of the CortexM3 processor to the input pins CDM2, CDM1, CDM0, DIN, and DCLK of the chip DM132. Among them, the input pin DCLK is a synchronous clock signal input pin, and the input pins CDM2, CDM1, and CDM0 can encode and generate 8 kinds of instructions, including instructions: shift transmission instruction, latch instruction, trigger instruction, and disable instruction. The specific process is: the processor sends a shift transmission instruction 010 pulse to the input pins CDM2, CDM1, and CDM0 of the chip DM132, and the processor inputs data in the form of pulses to the input pin DIN of the DM132, and these data correspond to the channel current in the drive signal The level is the current value of the output pin IOUT0-15 of the control chip DM132. The 10-bit data corresponds to one output pin, that is, it has a current level of 1024. Send it to the chip DM132, the processor then sends the latch command 011 pulse to the input pins CDM2, CDM1, and CDM0 of the chip DM132, use the latch to latch the current value of each output pin IOUT0-15, and the processor sends a trigger Command 100 pulses to the input pins CDM2, CDM1, and CDM0 of the chip DM132 to enable the output pins IOUT0-15 to output the corresponding current, and the processor then sends a disable command 110 pulses to the input pins CDM2, CDM1, and CDM0 of the chip DM132 , so that the output pins IOUT0-15 are closed and no current is output.

On the basis of the playing musical instrument provided in the above-mentioned embodiments, the playing musical instrument 410 also includes: a signal display lamp 630; the chip 620 is connected to the signal display lamp 630, and the signal display lamp 630 is connected to the The keys are correspondingly set; the signal display lamp 630 is used for the drive signal sent by the chip 620, and indicates the playing state of the corresponding key according to the drive signal.

Wherein, the chip 620 is connected with the signal display lamp 630, and the signal display lamp 630 receives the driving signal sent by the chip 620, and the signal display lamp 630 is set corresponding to the keys of the musical instrument 410, and according to The driving signal indicates the playing state of the corresponding key, and the playing state is the sounding state, which can play a role of prompting and teaching to the user when practicing playing.

Specifically, the signal display light is an LED light, etc., the LED light emits light corresponding to the sound of the piano key, and the LED light does not light corresponds to the sound of the piano key. The brightness level, light-emitting time, light-emitting time, etc. The duration and the like correspond to the size, start time, duration, etc. of the sound of the key.

On the basis of the above-mentioned embodiments, the embodiment of the present invention provides a performance musical instrument. In this embodiment, the performance control device is integrated into the processor by adopting a matching method between a processor and a chip, and the processor Send the music score information to the chip for processing to generate a driving signal and introduce it into the driving module, receive the driving signal sent by the performance control device, and perform performance according to the driving signal, so that the musical instrument can realize automatic performance control, The volume change of the playing instrument can be made small, and the control performance is improved; at the same time, the signal display lamp is introduced, so that the signal display lamp is set correspondingly to the key of the playing instrument, and the drive signal is set according to the drive signal sent by the chip. Indicating the performance status of the corresponding keys, so as to play the role of prompting and teaching for the user when practicing performance.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (14)

1. A performance control method, characterized in that, comprising: Obtain score information according to the music identification of the selected music to be played; generating a drive signal according to the score information; The driving signal is transmitted to the musical instrument, so that the musical instrument performs performance according to the driving signal. 2. method according to claim 1, is characterized in that, according to the music mark of the selected music to be played, obtaining music score information comprises: Obtain MIDI file according to the music identification of the selected music to be played; analyze the MIDI file to obtain score information. 3. The method according to claim 1 or 2, wherein the score information includes at least one of the following: Note, note start time, note end time, pitch, note duration, play volume, and drive velocity. 4. The method according to claim 1 or 2, wherein the drive signal comprises at least one of the following: Note channel, channel start time, channel end time, channel current level, drive velocity value, and drive brightness value. 5. A performance control device, characterized in that, comprising: Music score acquisition module, used for obtaining music score information according to the music identification of the selected music to be played; a signal generating module, configured to generate a driving signal according to the score information; The signal sending module is used for sending the driving signal to the musical instrument, so that the musical instrument performs performance according to the driving signal. 6. The device according to claim 5, wherein the music score acquisition module is specifically configured to acquire a MIDI file according to the music identification of the selected music to be played; analyze the MIDI file to acquire music score information. 7. The device according to claim 5 or 6, wherein the score information includes at least one of the following: Note, note start time, note end time, pitch, note duration, play volume, and drive velocity. 8. The device according to claim 5 or 6, wherein the drive signal comprises at least one of the following: Note channel, channel start time, channel end time, channel current level, drive velocity value, and drive brightness value. 9. A performance musical instrument, characterized in that it comprises the performance control device according to any one of claims 5-8. 10. The musical instrument according to claim 9, further comprising: a driving module; The driving module is connected in communication with the performance control device, and is used for receiving the driving signal sent by the performance control device, and performing performance according to the driving signal. 11. The playing musical instrument according to claim 10, wherein the driving module comprises: a hammer, shrapnel and at least one electromagnet; The electromagnet is used to drive the hammer to hit the shrapnel to produce sound under the driving signal. 12. The musical instrument according to claim 11, wherein the driving module further comprises: a pivot; The pivot is the central axis of rotation of the hammer. 13. The musical instrument according to any one of claims 9-12, further comprising a processor and a chip; The performance control device is integrated in the processor, and the processor sends the score information to the chip for processing to generate a driving signal. 14. The playing musical instrument according to claim 13, further comprising: a signal display lamp; The chip is connected to the signal display lamp, and the signal display lamp is set correspondingly to the keys of the musical instrument; The signal display lamp is used for the driving signal sent by the chip, and indicates the playing state of the corresponding key according to the driving signal.