CN113450748A

CN113450748A - Electronic whistle based on MIDI technology

Info

Publication number: CN113450748A
Application number: CN202110733380.XA
Authority: CN
Inventors: 陈建辉
Original assignee: Beijing Hengxin Mingda Technology Co ltd
Current assignee: Beijing Hengxin Mingda Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-09-28

Abstract

The invention relates to an electronic whistle based on MIDI technology. The electronic whistle can generate a corresponding MIDI digital signal according to the blowing action of the whistle with the conventional lip-tongue mode, can be transmitted to an external MIDI synthesizer, a device, a mobile phone or a computer in a wired or wireless mode, and can also process and sound by the electronic whistle. An electronic musical instrument is provided which is novel, easy to enter the door, and free to play.

Description

Electronic whistle based on MIDI technology

Technical Field

The invention relates to the field of musical instruments, in particular to an electronic whistle based on MIDI technology.

Background

Whistles have been widely used in human life and are also used as musical instruments during playing. Especially, people directly use the mode of directly generating music by matching lips, teeth, tongues and the like, and the music instrument has the advantages of easy entry, portability, convenient performance and the like. However, such whistles based on the lip-tongue pattern also have the disadvantages of narrow range, difficulty in changing the timbre, difficulty in adjusting the sound volume, and the like. At present, no electronic musical instrument based on the lip-tongue mode and the traditional whistle mode is available in the market.

Disclosure of Invention

The invention aims to provide an electronic whistle based on MIDI technology. The electronic whistle can generate corresponding MIDI digital signals according to the blowing action similar to the traditional whistle, can be transmitted to an external MIDI synthesizer, a device, a mobile phone or a computer in a wired or wireless mode, and can also process and sound by itself. The method is equivalent to the digital expansion of the traditional whistle in a pure tooth-tongue mode, and the parameters such as tone color, sound range, volume and the like can be conveniently changed in the playing process.

In order to achieve the above object, the present invention provides an electronic whistle based on MIDI technology, which comprises a housing, a mouthpiece, an electronic screen, an operation control key (or a knob, a rocker, a multi-shift switch, which may be combined in plural), a tone control key (or a knob, a rocker, a multi-shift switch, which may be combined in plural), a USB interface, a USB cable, an internal control circuit board, a MIDI synthesis board, a sound output module, a wireless module, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, etc.), a gas channel adjusting screw, a battery, etc. The shell packages a blowing nozzle, an electronic screen, operation control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), tone control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), a USB interface, an internal control circuit board, a MIDI composite board, a sound output module, a wireless module, a gas pressure sensor (or a sound pick-up, a combination of the gas pressure sensor and the sound pick-up and the like), a gas channel adjusting screw, a battery and the like to form an independent device. The internal control circuit board is connected with modules such as an electronic screen, operation control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), tone control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), an air pressure sensor (or a sound pick-up, a combination of the air pressure sensor and the sound pick-up and the like), a MIDI composite board, a wireless module, a battery and the like. The electronic screen, the air pressure sensor (or the sound pick-up, the combination of the air pressure sensor and the sound pick-up and the like), the internal control circuit board, the MIDI synthesis board, the sound output module, the wireless module and the like are powered by a battery. The USB interface and the USB cable can be connected with an internal control circuit board, and can charge a battery or perform signal transmission in a wired mode. The electronic screen is connected with the internal control circuit board and used for displaying human-computer interaction information. The operation control keys (or the rotary knob, the rocker and the multi-gear switch which can be combined) are connected with the internal control circuit board, and the setting instruction or the control instruction can be transmitted to the internal control circuit board through the operation control keys (or the rotary knob, the rocker and the multi-gear switch). The tone control keys (or the knob, the rocker and the multi-gear switch, and the number of the keys can be multiple) are connected with the internal control circuit board, and can transmit tone changes or other playing instructions in the playing process to the internal control circuit board. The MIDI synthesis board is connected with the internal control circuit board and the sound output module, processes the MIDI instructions from the internal control circuit board, synthesizes the sound and outputs the sound through the sound output module. The wireless module is connected with the internal control circuit board and provides a wireless communication mode to transmit signals to the outside. The pressure sensor (or the sound pick-up, the combination of the pressure sensor and the sound pick-up and the like) is connected with the gas channel and is connected with the internal control circuit board, and the pressure sensor senses the pressure value during playing through the gas channel and transmits the pressure value to the internal control circuit board. The gas channel adjusting screw is connected with the gas channel, and can adjust the resistance of gas entering and exiting the gas channel. The blowing nozzle is connected with the shell, and can be integrated in the structure or separated. The blowing holes on the blowing nozzle are used for introducing the air flow during blowing into the air channel. The internal control circuit board monitors pressure values (or sound signals, pressure values, sound signals and the like) from the air pressure sensor (or a sound pickup, a combination of the air pressure sensor and the sound pickup and the like), identifies suction and blowing states, opposite stress degrees and tone of a blowing hole of the blowing nozzle according to the pressure values (or the sound signals, the pressure values, the sound signals and the like), generates corresponding MIDI instructions according to identification results, is synthesized and processed by the MIDI synthesis board, sounds by the sound output module, or is transmitted to an external MIDI synthesizer, a device, a mobile phone or a computer through a USB cable or a wireless module, and is processed and sounded by the outside.

Preferably, the internal control circuit board obtains pressure values (or sound signals, pressure values, sound signals and the like) of a pressure sensor (or a sound pickup, a combination of the pressure sensor and the sound pickup and the like) connected with the gas channel, judges whether the hole-blowing air suction, air blowing and no-action states exist according to the fact that the difference between the pressure values of the gas channel and the system in the playing state is negative, positive and zero, judges the air suction and air blowing strength according to the absolute value of the difference, judges the air suction or air blowing strength change rate and whether the air suction or air blowing strength change rate is in an effective range according to the set sensitivity and strength range, forms parameters such as tone, strength, speed and the like, and generates corresponding MIDI commands. When a microphone is used, the corresponding MIDI commands may be generated in conjunction with the frequency, amplitude, etc. of the sound signal from the microphone.

Preferably, the operation control keys (or the rotary knob, the rocker and the multi-gear switch which can be formed by combining a plurality of the operation control keys) can adopt a 5-direction key form (or a rocker form with a determined key, or a rotary knob with a determined key and a multi-gear switch form), and the up-down direction and the left-right direction can be used as a bending wheel, a tremolo wheel or a sustain adjusting wheel in the playing process, so that the playing effect is enriched. In the setting process, the device can be used as a selection key and matched with a middle determination key to complete the setting of various parameters.

Preferably, the tone and the tone of the whistle reference tone can be set and adjusted, so that the sound effects of different musical instruments can be simulated conveniently.

Preferably, the MIDI commands may be transferred to an external MIDI synthesizer, device, cell phone or computer through a USB cable or wireless module according to the setting. The electronic whistle with different forms and use forms such as wire, wireless, wire and wireless can be formed.

Preferably, the battery and the USB interface may be combined to form different forms of USB interface power supply, USB interface charging power supply + battery power supply, and the like.

Preferably, the MIDI synthesis board and sound output module processes, synthesizes and outputs MIDI commands from the internal control board. When the two modules are configured, the internal control circuit board can output the MIDI instructions to an external MIDI synthesizer, a device, a mobile phone or a computer according to the setting, and also can output the MIDI instructions to a MIDI synthesis board, the MIDI synthesis board completes the synthesis processing of the MIDI instructions, and the sound output module outputs the sound. When these two modules are not configured, the MIDI instructions are sent directly to an external MIDI synthesizer, device, handset or computer.

Preferably, the USB interface and the cable or wireless module can transmit the instructions of the electronic MIDI whistle to an external MIDI synthesizer, device, mobile phone or computer, or transmit the instructions and information of the external MIDI synthesizer, device, mobile phone or computer to the electronic MIDI whistle.

Preferably, the sound output module comprises an earphone output and a loudspeaker output, wherein the sound is output to the earphone when the earphone is inserted, and the sound is output directly to the loudspeaker when the earphone is not inserted.

The electronic whistle based on the MIDI technology has the following advantages that:

1. the playing mode is basically consistent with the whistle mode of the traditional lip-tongue mode, and the playing mode and the technical characteristics of a player at will are kept as much as possible;

2. the MIDI technology is adopted, the MIDI standard is followed, the device can be connected with a plurality of MIDI software and hardware, a plurality of parameters such as tone, tone color, smooth tone, vibrato, delayer and the like can be set, and the device has the characteristics of expandability, rich expressive force and the like;

3. 5 direction keys (or rocker with determination key, or knob with determination key, multi-gear switch) are used to form a bend tone wheel, a tremolo wheel or a sustain tone adjusting wheel, which can control tone, overtone, sustain duration and the like in the playing process, thus enriching the playing effect;

4. the external MIDI synthesizer, the device, the mobile phone or the computer can be connected through wires or wirelessly, internal MIDI synthesis and sound output can be selected, and the playing forms are flexible and various;

5. the earphone can be inserted during the playing process, so that the playing effect can be heard by the user, and the interference to other people can be prevented;

6. the playing process can be digitally recorded, so that the playing process is convenient to reproduce;

7. the device can be matched with a mobile phone or a computer to play and practice the MIDI melody from the outside;

9. the internal parameters of the electronic whistle can be adjusted by using the mobile phone APP, and also can be adjusted by using 5 direction keys (or a knob, a rocker and a multi-gear switch) on the whistle, so that the electronic whistle is flexible and various;

10. the whistle function can be upgraded in a firmware upgrading mode, so that the whistle has the continuous rich and expanded capability;

11. the system can be connected with the Internet through a wired or wireless external mobile phone and a computer, and information fusion of players, playing music, playing skills, playing resources and the like is formed.

Drawings

FIG. 1 is a schematic diagram of modules of the present invention. Wherein the

modules

7, 8, 9, 10, 11, 14 are located inside the module 1 after assembly. The module 2 is correspondingly jointed with each hole and channel of the module 12 on the module 1.

Fig. 2 is a schematic structural diagram in embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram in embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram in embodiment 3 of the present invention.

Fig. 5 is a schematic structural diagram in embodiment 4 of the present invention.

Fig. 6 is a schematic structural diagram in embodiment 5 of the present invention.

Fig. 7 is a schematic structural diagram in embodiment 6 of the present invention.

Fig. 8 is a schematic structural diagram in embodiment 7 of the present invention.

Fig. 9 is a schematic structural diagram in embodiment 8 of the present invention.

Fig. 10 is a schematic structural diagram in embodiment 9 of the present invention.

Fig. 11 is a schematic structural diagram in embodiment 10 of the present invention.

Fig. 12 is a schematic structural diagram in embodiment 11 of the present invention.

Fig. 13 is a schematic structural diagram in embodiment 12 of the present invention.

In the figure, 1, a shell, 2, a blowing nozzle, 3, an electronic screen, 4, operation control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), 5, tone control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), 6, a USB interface and a USB cable, 7, an internal control circuit board, 8, a MIDI synthesis board, 9, a sound output module, 10, a wireless module, 11, a pressure sensor (or a sound pickup, a combination of the pressure sensor and the sound pickup and the like), 12, an air channel, 13, an air channel adjusting screw and 14, a battery are arranged. The dashed portions are shown inside the housing or obscured by view.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example 1

As shown in fig. 2, the electronic whistle comprises a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in multiple) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in multiple) 5, a USB interface and USB cable 6, an internal control circuit board 7, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, etc.) 11, a gas passage 12, and a gas passage adjusting screw 13.

And 7 is a central processing module connected with the

modules

3, 4, 5, 6 and 11. The modules are supplied with power through 6.

The module 2 may be integrally formed with the module 1, or may be connected by a plug-in structure or a screw, and the air flow sucked by the player may be received 12 through the blowing hole 2.

The internal pressure is sensed 12 at 11 and transmitted to 7. And 7, judging the suction or blowing action type, calculating the blowing or suction intensity, forming a corresponding MIDI instruction, transmitting the instruction to an external MIDI synthesizer, a device, a mobile phone or a computer through 6, and synthesizing and playing the sound from the outside.

4 can be used as a bend tone wheel, a tremolo tone wheel and a sustain tone adjusting wheel in the playing process, and 5 can adjust tones in real time.

Example 2

As shown in fig. 3, the electronic whistle comprises a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a wireless module 10, a pressure sensor (or a microphone, a combination of a pressure sensor and a microphone, and the like) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 10 and 11. The modules are powered by 14 and charged by 14 by 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. And 7, judging the suction or blowing action type, calculating the blowing or suction intensity, forming a corresponding MIDI instruction, transmitting the instruction to an external MIDI synthesizer, a device, a mobile phone or a computer through 10, and synthesizing and playing the sound from the outside.

4 can be used as a bending tone wheel, a tremolo tone wheel and a sustain tone adjusting wheel in the playing process, and 5 can adjust the tone in real time.

Example 3

As shown in fig. 4, the electronic whistle comprises a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, and the like) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module connected with the

modules

3, 4, 5, 6 and 11. The modules are powered by 14 and charged by 14 by 6.

Example 4:

as shown in fig. 5, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 5, a USB interface and USB cable 6, an internal control circuit board 7, a MIDI synthesis board 8, a sound output module 9, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, etc.) 11, a gas passage 12, and a gas passage adjusting screw 13.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 8, 9 and 11. The modules are supplied with power through 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. And 7, judging the suction or blowing action type, calculating the blowing or suction intensity, forming a corresponding MIDI instruction, transmitting the MIDI instruction to 8 for MIDI synthesis to form a sound signal, outputting the sound signal through 9 to form a playing sound which can be heard by human ears, and playing the sound signal through a loudspeaker unit on 9.

Example 5:

as shown in fig. 6, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 5, a USB interface and USB cable 6, an internal control circuit board 7, a MIDI synthesis board 8, a sound output module 9, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, etc.) 11, a gas passage 12, and a gas passage adjusting screw 13.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 8, 9 and 11. The modules are supplied with power through 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. And 7, judging the suction or blowing action type, calculating the blowing or suction intensity, forming a corresponding MIDI instruction, transmitting the MIDI instruction to 8 for MIDI synthesis to form a sound signal, outputting the sound signal through 9 to form a playing sound which can be heard by human ears, and playing the sound signal through an earphone which is plugged in an earphone interface 9.

Example 6:

as shown in fig. 7, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a MIDI synthesis board 8, a sound output module 9, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, and the like) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 8, 9 and 11. The modules are powered by 14 and charged by 14 by 6.

Example 7:

as shown in fig. 8, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a MIDI synthesis board 8, a sound output module 9, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, and the like) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 8, 9 and 11. The modules are powered by 14 and charged by 14 by 6.

Example 8:

as shown in fig. 9, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a MIDI synthesis board 8, a sound output module 9, a wireless module 10, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, and the like) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 8, 9, 10 and 11. The modules are powered by 14 and charged by 14 by 6.

The playing process 7 can be connected with a mobile phone (or an external MIDI synthesizer, a device, a computer and the like) through 10, and simultaneously transmits MIDI instructions or related information to the mobile phone, and can also receive instructions from the mobile phone (or an external device) to correspondingly adjust the playing effect.

Example 9:

as shown in fig. 10, the electronic whistle comprises a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, and a plurality of them may be combined) 4, a tone control key (or a knob, a rocker, a multi-position switch, and a plurality of keys) 5, a USB interface and USB cable 6, an internal control circuit board 7, a pressure sensor (or a sound pickup, a combination of a pressure sensor and a sound pickup, and the like) 11, a gas passage 12, and a gas passage adjusting screw 13.

And 7 is a central processing module connected with the

modules

3, 4, 5, 6 and 11. The modules are supplied with power through 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. The type of the sucking or blowing operation is determined 7, the blowing or sucking strength is calculated, and a corresponding MIDI command is formed and transmitted to a mobile phone (or an external MIDI synthesizer, device, computer, etc.) through 6. The MIDI instructions are converted into sound signals by the mobile phone (or external MIDI synthesizer, device, computer, etc.), and the sound is emitted through the earphone on the mobile phone (or external MIDI synthesizer, device, computer, etc.).

Example 10:

as shown in fig. 11, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 5, a USB interface and USB cable 6, an internal control circuit board 7, a wireless module 10, a pressure sensor (or a microphone, a combination of a pressure sensor and a microphone, etc.) 11, an air passage 12, and an air passage adjusting screw 13.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 10 and 11. The modules are supplied with power through 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. The type of the sucking or blowing operation is determined 7, the blowing or sucking strength is calculated, and a corresponding MIDI command is formed and transmitted to a mobile phone (or an external MIDI synthesizer, device, computer, etc.) through 10. The mobile phone (or external MIDI synthesizer, device, computer, etc.) converts the MIDI instructions into a sound signal, and sounds through the earphone on the mobile phone (or external MIDI synthesizer, device, computer, etc.).

Example 11:

as shown in fig. 12, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 5, a USB interface and USB cable 6, an internal control circuit board 7, a pressure sensor (or a microphone, a combination of a pressure sensor and a microphone, etc.) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module connected with the

modules

3, 4, 5, 6 and 11. The modules are powered by 14 and charged by 14 by 6.

The internal pressure is sensed 12 at 11 and transmitted to 7. The type of the sucking or blowing operation is determined 7, the blowing or sucking strength is calculated, and a corresponding MIDI command is formed and transmitted to a mobile phone (or an external MIDI synthesizer, device, computer, etc.) through 6. The mobile phone (or external MIDI synthesizer, device, computer, etc.) converts the MIDI instructions into a sound signal, and sounds through the earphone on the mobile phone (or external MIDI synthesizer, device, computer, etc.).

Example 12:

as shown in fig. 13, the electronic whistle includes a housing 1, a mouthpiece 2, an electronic screen 3, an operation control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 4, a tone control key (or a knob, a rocker, a multi-position switch, which may be combined in plural) 5, a USB interface and USB cable 6, an internal control circuit board 7, a wireless module 10, a pressure sensor (or a microphone, a combination of a pressure sensor and a microphone, etc.) 11, a gas passage 12, a gas passage adjusting screw 13, and a battery 14.

And 7 is a central processing module which is connected with the

modules

3, 4, 5, 6, 10 and 11. The modules are powered by 14 and charged by 14 by 6.

Claims

1. An electronic whistle based on MIDI technology comprises a shell, a mouthpiece, an electronic screen, operation control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), tone control keys (or a knob, a rocker and a multi-gear switch which can be combined in a plurality of ways), a USB interface, a USB cable, an internal control circuit board, a MIDI synthetic board, a sound output module, a wireless module, a pressure sensor (or a sound pick-up, a combination of the pressure sensor and the sound pick-up and the like), a gas channel adjusting screw, a battery and the like. The electronic whistle is characterized in that the electronic whistle detects air pressure (or sound frequency, amplitude, or air pressure, sound frequency, amplitude and the like) in the air channel through an air pressure sensor (or a sound pickup, a combination of the air pressure sensor and the sound pickup and the like) and transmits the air pressure to an internal control circuit board, the internal control circuit board judges the suction and blowing actions, the stress degree and the tone of a blowing hole to generate corresponding MIDI instructions, the MIDI instructions are synthesized and processed by a MIDI synthesis board and are sounded by a sound output module, or the instructions are transmitted to an external MIDI synthesizer, a device, a mobile phone or a computer through a USB cable or a wireless module and are processed and sounded by the outside.

2. An electronic whistle based on MIDI technology as claimed in claim 1, wherein the internal control circuit board obtains the pressure value (or sound signal, pressure value and sound signal) of the pressure sensor (or sound pickup, combination of pressure sensor and sound pickup) connected to the gas channel, judges the state of inspiration, blowing and no action of the blowing hole according to the negative, positive and zero difference between the pressure values of the gas channels when the system enters the playing state, judges the strength of inspiration and blowing according to the absolute value of the difference, judges the strength change rate of inspiration or blowing and whether the strength change rate is in the effective range according to the set sensitivity and strength range, forms the parameters of tone, strength and speed, and generates the corresponding MIDI command. When a microphone is employed, the corresponding MIDI commands may be generated in conjunction with the frequency, amplitude, etc. of the sound signal from the microphone.

3. An electronic whistle based on MIDI technology as claimed in claim 2, characterized in that the operation control keys (or knob, rocker, multi-shift switch, several of which can be combined) can be in the form of 5-direction keys (or rocker with fixed key, or knob with fixed key, multi-shift switch), and the adjustment in different directions (shift) can be used as curvy wheel, tremolo wheel or damper wheel during playing to enrich the playing effect. In the setting process, the device can be used as a selection key and matched with a middle determination key to complete the setting of various parameters.

4. An electronic whistle based on MIDI technology as claimed in claim 3 in which the tone and timbre of said whistle reference are adjustable to simulate the sound effects of different instruments.

5. An electronic whistle based on MIDI technology as claimed in claim 4 where the generated MIDI commands can be transferred to an external MIDI synthesizer, device, cell phone or computer via a USB cable or wireless module depending on the setting. The electronic whistle with different forms such as wire, wireless, wire and wireless and the like and the use form are formed.

6. A MIDI technology-based electronic whistle as claimed in claim 5 that can be powered by a USB interface or an internal battery, the battery being charged by the USB interface.

7. A MIDI technology based electronic whistle as claimed in claim 6 in which MIDI commands from the internal control board are processed, synthesized and output using a MIDI synthesis board and sound output module. When the two modules are configured, the internal control circuit board can output the MIDI instructions to an external MIDI synthesizer, a device, a mobile phone or a computer according to the setting, and also can output the MIDI instructions to a MIDI synthesis board, the MIDI synthesis board completes the synthesis processing of the MIDI instructions, and the sound output module outputs the sound. When these two modules are not configured, the MIDI instructions are sent directly to an external MIDI synthesizer, device, handset or computer.

8. An electronic whistle based on MIDI technology as claimed in claim 7 in which the USB interface and cable or wireless module can transmit the instructions of the electronic whistle MIDI to an external MIDI synthesizer, device, mobile phone or computer, and can transmit the instructions and information of the external MIDI synthesizer, device, mobile phone or computer to the electronic whistle.

9. An electronic whistle based on MIDI technology as claimed in claim 8 in which the sound output module includes an earphone output and a speaker output, the sound being output to the earphone when the earphone is inserted and being output directly from the speaker when the earphone is not inserted.