CN214847708U

CN214847708U - Novel electroacoustic Huqin

Info

Publication number: CN214847708U
Application number: CN202121026330.XU
Authority: CN
Inventors: 袁治淮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-23
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a novel electro-acoustic Huqin, which comprises a shell and magnetic conductive strings, wherein the shell is internally provided with a magneto-electric vibration pickup amplification module, a frequency selection filtering module and a fortune bow enveloping module matched with the magnetic conductive strings; the signal output end of the magnetoelectric vibration pickup amplification module is connected with the signal input end of the frequency-selecting filtering module, and the signal output end of the frequency-selecting filtering module is connected with the signal input end of the operational bow enveloping module. The utility model relates to a musical instrument technical field. The utility model combines the magnetoelectric vibration pickup amplifying module, the frequency selection filtering module and the fortune bow enveloping module to realize the timbre simulation of the Huqin and improve the timbre effect; and an additional piano leather cylinder is not needed, so that the cost is saved.

Description

Novel electroacoustic Huqin

Technical Field

The utility model relates to a musical instrument technical field particularly, relates to a novel electroacoustic Huqin.

Background

The Huqin is one of the most important musical instruments in the Chinese national music system, and has unique and soft tone and unique playing technique. The timbre characteristics of the huqin come from the python skin resonance structure, but the structure also brings some disadvantages, the noise is large, and the high-pitch music volume is attenuated rapidly. The high-grade Huqin with good timbre has extremely high requirements on the boa skin, the wood and the workmanship, so the cost is considerable. Aiming at the defect of the Huqin, an electric Huqin is introduced. However, when the existing electric Huqin generally adopts a microphone or piezoelectric patch pickup mode, a microphone type easily forms howling with a sound amplification system, and near distance cannot amplify sound; the piezoelectric sheet type leads the tone to be too sharp, the middle and low frequency components are lost, and the tone quality is not good. Both of the two modes cannot play in a mute way, and the interference is serious.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems or at least partially solve the problems, the embodiment of the utility model provides a novel electro-acoustic urheen, which combines a magneto-electric vibration pickup amplification module, a frequency selection filtering module and a bowing enveloping module to realize urheen tone color simulation and improve tone color effect; and an additional piano leather cylinder is not needed, so that the cost is saved.

The embodiment of the utility model is realized like this:

the embodiment of the utility model provides a novel electro-acoustic Huqin, which comprises a shell and magnetic conductive strings, wherein the shell is internally provided with a magneto-electric vibration pickup amplification module, a frequency selection filtering module and a fortune bow enveloping module matched with the magnetic conductive strings; the signal output end of the magnetoelectric vibration pickup amplification module is connected with the signal input end of the frequency-selecting filtering module, and the signal output end of the frequency-selecting filtering module is connected with the signal input end of the operational bow enveloping module.

The working principle of the novel electroacoustic urheen is as follows:

the novel electro-acoustic urheen adopts the combination of the magneto-electric vibration pickup amplification module, the frequency selection filtering module and the fortune bow enveloping module, all the modules are arranged in one shell, an additional piano leather barrel is not needed, the cost is saved, the magneto-electric vibration pickup amplification module only outputs signals of string vibration, the influence of other surrounding sound sources is avoided, the tone quality is pure, and the screaming phenomenon caused by sound amplification recovery is avoided; after the magnetoelectric vibration pickup amplification module sends out a vibration signal, the signal is sent to the frequency-selecting filtering module, the signal is filtered through the frequency-selecting filtering module, the fundamental wave and harmonic wave proportion of an audio signal is adjusted, and the tone color of the urheen required by a user is formulated; the different intervals of the urheen gamut are filtered through the frequency-selecting filtering module, the output proportion of each module is adjusted, and more vivid urheen tone can be obtained. A bow control signal is output through the frequency-selecting filtering module and is input into the fortune bow enveloping module, the fortune bow enveloping module is used for amplifying, a bow control enveloping voltage is formed after filtering, and then the output voltage of an operational amplifier in the fortune bow enveloping module is controlled, so that the output voltage is associated with the magnetic conduction strings, only the fiddle is output, other actions are not output, background noise is eliminated, the signal is purer, and the influence of other misoperation on output tone quality is avoided. This novel electroacoustic Huqin has replaced traditional Huqin in a casing on with each circuit module integration one or more circuit boards, need not extra musical instrument skin musical instrument section of thick bamboo, has practiced thrift the cost.

In some embodiments of the present invention, the frequency-selective filtering module includes a filtering unit, a tone brightness selecting unit, and a frequency-selective unit; the signal output end of the filtering unit is connected with the signal input end of the tone brightness selection unit, the signal output end of the tone brightness selection unit is connected with the signal input end of the frequency selection unit, and the signal output end of the filtering unit is also connected with the signal input end of the operational bow envelope module.

In some embodiments of the present invention, the filtering unit includes one or more T-shaped filtering circuits, the frequency selecting unit includes one or more RC filtering circuits, the signal output end of each T-shaped filtering circuit is connected to the signal input end of the tone brightness selecting unit, and the signal input end of each RC filtering circuit is connected to the signal output end of the tone brightness selecting unit.

In some embodiments of the present invention, the magnetoelectric vibration pickup and amplification module includes an operational amplifier a1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a magnetic string, and a magnetic inductor matched with the magnetic string; one end of the capacitor C2 is connected to the resistor R1, the other end is grounded, the resistor R1 is further connected in parallel to the capacitor C1, the resistor R1 is connected between the inverting input terminal of the operational amplifier a1 and the output terminal of the operational amplifier a1, both ends of the magnetizing inductor are connected to the non-inverting input terminal and the inverting input terminal of the operational amplifier a1, the common end of the magnetizing inductor and the non-inverting input terminal of the operational amplifier a1 is connected to one end of the resistor R2, one end of the resistor R2 is further connected to one end of the capacitor C3, the other end of the resistor R2 and the other end of the capacitor C3 are both grounded, and the output terminal of the operational amplifier a1 is connected to the signal input terminal of the frequency-selective filter module via the resistor R3.

In some embodiments of the present invention, the slingshot envelope module includes a resistor R4, a resistor R5, a diode D1, an operational amplifier a2 and an operational amplifier A3, a signal output end of the filter unit is connected to a signal input end of the operational amplifier a2 via the resistor R4, and a signal output end of the operational amplifier a2 is connected to a signal input end of the operational amplifier A3 via the diode D1 and the resistor R5.

The utility model discloses an in some embodiments, still be provided with in the above-mentioned casing with above-mentioned magnetic conduction string complex voltage-controlled squelch amplification module, the signal input part of above-mentioned voltage-controlled squelch amplification module is connected with the signal output part of above-mentioned fortune bow envelope module.

The utility model discloses an in some embodiments, still be provided with the proportion synthesis module of amplifying in the above-mentioned casing, the signal input part of above-mentioned proportion synthesis module of amplifying is connected with the signal output part of above-mentioned frequency-selective filter module, and the signal output part of above-mentioned proportion synthesis module of amplifying is connected with the signal input part of above-mentioned voltage-controlled squelch module of amplifying.

In some embodiments of the present invention, a terminal interface is disposed on the housing, and the terminal interface is connected to the pantograph enveloping module.

In some embodiments of the present invention, an auxiliary debugging interface is disposed on the housing, and the auxiliary debugging interface is connected to the pantograph enveloping module.

In some embodiments of the present invention, an earphone monitoring interface is disposed on the housing, and the earphone monitoring interface is connected to the pantograph enveloping module.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the embodiment of the utility model provides a novel electro-acoustic huqin adopts magnetoelectric vibration pickup amplification module, frequency selection filtering module and fortune bow envelope module to combine together, all installs each module in a casing, need not extra musical instrument skin musical instrument section of thick bamboo, has practiced thrift the cost, and magnetoelectric vibration pickup amplification module only outputs the signal of string vibrations, does not receive other sound sources of periphery influence, and tone quality is pure, and does not have the scream phenomenon that public address recovery arouses; after the magnetoelectric vibration pickup amplification module sends a vibration signal, the signal is sent to the frequency-selecting filtering module, the signal is filtered through the frequency-selecting filtering module, the fundamental wave and harmonic wave proportion of the audio signal are adjusted, and the tone color of the urheen required by a user is formulated. A bow control signal is output through the frequency-selecting filtering module and is input into the fortune bow enveloping module, the fortune bow enveloping module is used for amplifying, a bow control enveloping voltage is formed after filtering, and then the output voltage of an operational amplifier in the fortune bow enveloping module is controlled, so that the output voltage is associated with the magnetic conduction strings, only the fiddle is output, other actions are not output, background noise is eliminated, the signal is purer, and the influence of other misoperation on output tone quality is avoided. This novel electroacoustic Huqin has replaced traditional Huqin in a casing on with each circuit module integration one or more circuit boards, need not extra musical instrument skin musical instrument section of thick bamboo, has practiced thrift the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic block diagram of a novel electro-acoustic urheen according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a magnetoelectric vibration pickup and amplification module in a novel electroacoustic urheen according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a frequency-selective filtering module in a novel electro-acoustic urheen according to an embodiment of the present invention;

fig. 4 is a circuit diagram of a pantograph enveloping module in a novel electroacoustic urheen.

Icon: 100. the magnetoelectric vibration pick-up amplifying module; 200. a frequency-selecting filtering module; 210. a filtering unit; 220. a tone brightness selection unit; 230. a frequency selecting unit; 300. an arch-transporting enveloping module; 400. a voltage-controlled squelch amplifying module; 500. and a proportional synthesis amplifying module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1, an embodiment of the present invention provides a novel electro-acoustic urheen, which includes a housing and magnetic conductive strings, wherein a magneto-electric vibration pickup and amplification module 100, a frequency selection and filtering module 200, and a pantograph envelope module 300 matched with the magnetic conductive strings are disposed in the housing; the signal output end of the magnetoelectric vibration pickup amplifying module 100 is connected to the signal input end of the frequency-selective filtering module 200, and the signal output end of the frequency-selective filtering module 200 is connected to the signal input end of the operational bow enveloping module 300.

The working principle of the novel electroacoustic urheen is as follows:

the novel electro-acoustic urheen adopts the combination of the magneto-electric vibration pickup amplification module 100, the frequency-selecting filtering module 200 and the fortune bow enveloping module 300, all the modules are installed in one shell, an additional piano barrel is not needed, the cost is saved, the magneto-electric vibration pickup amplification module 100 only outputs signals of string vibration, the influence of other surrounding sound sources is avoided, the tone quality is pure, and the phenomenon of screaming caused by sound amplification recovery is avoided; after the magnetoelectric vibration pickup amplification module 100 sends out a vibration signal, the signal is sent to the frequency-selecting filtering module 200, the signal is filtered through the frequency-selecting filtering module 200, the fundamental wave and harmonic wave proportion of an audio signal is adjusted, and the tone color of the huqin required by a user is formulated; different sections of the urheen gamut are filtered through the frequency-selecting filtering module 200, the output proportion of each module is adjusted, more vivid urheen tone can be obtained, and the urheen tone required by a user is formulated. A bow control signal is output through the frequency-selecting filtering module 200 and is input into the fortune bow enveloping module 300, the output voltage is amplified through the fortune bow enveloping module 300 and forms a bow control enveloping voltage after filtering, and then the output voltage of an operational amplifier in the fortune bow enveloping module 300 is controlled, so that the output voltage is associated with the magnetic conduction strings and only output by the musical instrument bow, other actions are not output, background noise is eliminated, the signal is purer, and the influence of other misoperation on output tone quality is avoided. This novel electroacoustic Huqin has replaced traditional Huqin in a casing on with each circuit module integration one or more circuit boards, need not extra musical instrument skin musical instrument section of thick bamboo, has practiced thrift the cost.

In some embodiments of the present invention, the frequency-selective filtering module 200 includes a filtering unit 210, a timbre brightness selecting unit 220 and a frequency-selective unit 230; the signal output terminal of the filtering unit 210 is connected to the signal input terminal of the tone brightness selecting unit 220, the signal output terminal of the tone brightness selecting unit 220 is connected to the signal input terminal of the frequency selecting unit 230, and the signal output terminal of the filtering unit 210 is further connected to the signal input terminal of the pantograph envelope module 300.

The filtering unit 210 includes one or more T-type filtering circuits, the frequency selecting unit 230 includes one or more RC filtering circuits, signal output terminals of the T-type filtering circuits are respectively connected to signal input terminals of the tone brightness selecting unit 220, and signal input terminals of the RC filtering circuits are respectively connected to signal output terminals of the tone brightness selecting unit 220.

In order to ensure the filtering effect, a T-shaped filter circuit and an RC filter circuit are adopted to carry out double filtering processing on the vibration signal, the signal is subjected to high-frequency and low-frequency filtering through a filter unit 210, then the filtered signal is input into a tone brightness selection unit 220, tone selection is carried out through the tone brightness selection unit 220, the tone of a huqin liked by a person is formulated, then the signal is output to a frequency selection unit 230 for frequency selection adjustment, so that the frequency is matched with the preset frequency, and then the signal is amplified and output. In order to further ensure the filtering effect, a plurality of T-type filter circuits and RC filter circuits are used for filtering, a tone brightness selection unit 220 is inserted between each T-type filter circuit and RC filter circuit, and each parameter of each unit circuit is adjusted by the tone brightness selection unit 220, so as to ensure the tone effect.

In some embodiments of the present invention, the magnetoelectric vibration pickup and amplification module 100 includes an operational amplifier a1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a magnetic string and a magnetic inductor matched with the magnetic string; one end of the capacitor C2 is connected to the resistor R1, the other end is grounded, the resistor R1 is further connected in parallel to the capacitor C1, the resistor R1 is connected between the inverting input terminal of the operational amplifier a1 and the output terminal of the operational amplifier a1, both ends of the magnetizing inductor are connected to the non-inverting input terminal and the inverting input terminal of the operational amplifier a1, the common end of the magnetizing inductor and the non-inverting input terminal of the operational amplifier a1 is connected to one end of the resistor R2, one end of the resistor R2 is further connected to one end of the capacitor C3, the other end of the resistor R2 and the other end of the capacitor C3 are both grounded, and the output terminal of the operational amplifier a1 is connected to the signal input terminal of the frequency-selective filter module 200 via the resistor R3.

The magnetic conduction strings and the magnetizing inductor are combined to form a vibration pickup, so that the strings are guaranteed to vibrate and output induction voltage. The vibration pickup is installed at the rear side of the strings and the azimuth angle is adjusted so that the outer strings are close to the vibration pickup and the inner strings are close to the vibration pickup to equalize the sound volume output by the inner and outer strings. The output voltage of the vibration pickup is output after passing through the high-gain amplifier, so that the output effect is ensured. In order to further ensure that the influence of the radio wave and the high-frequency self-excitation is avoided, the radio wave and the high-frequency self-excitation are eliminated through capacitors C1, C2 and C3.

In some embodiments of the present invention, the slingshot envelope module 300 includes a resistor R4, a resistor R5, a diode D1, an operational amplifier a2 and an operational amplifier A3, a signal output terminal of the filtering unit 210 is connected to a signal input terminal of the operational amplifier a2 via the resistor R4, and a signal output terminal of the operational amplifier a2 is connected to a signal input terminal of the operational amplifier A3 via the diode D1 and the resistor R5.

The bow control signal is output from the output end of the filtering unit 210, then is introduced into the operational amplifier A2 through the resistor R5 for signal amplification, and then forms a bow control envelope voltage after being filtered, thereby controlling the operational amplifier A3 to amplify the output voltage so as to enable the output voltage to be associated with a bow.

The utility model discloses an in some embodiments, still be provided with in the above-mentioned casing with above-mentioned magnetic conduction string complex voltage-controlled squelch amplification module 400, the signal input part of above-mentioned voltage-controlled squelch amplification module 400 is connected with the signal output part of above-mentioned fortune bow envelope module 300.

In order to further improve the sound quality and avoid noise interference, a voltage-controlled squelch amplification module 400 is provided, and the voltage output by the operational arch envelope module 300 is squelch amplified and then output by the voltage-controlled squelch amplification module 400.

In some embodiments of the present invention, a proportional synthesis amplifying module 500 is further disposed in the housing, a signal input terminal of the proportional synthesis amplifying module 500 is connected to a signal output terminal of the frequency-selective filtering module 200, and a signal output terminal of the proportional synthesis amplifying module 500 is connected to a signal input terminal of the voltage-controlled squelch amplifying module 400.

In order to ensure the timbre, the signals processed by the plurality of frequency-selective filtering units 210 are synthesized and amplified by the proportional synthesis and amplification module 500, and then output.

In some embodiments of the present invention, a terminal interface is disposed on the housing, and the terminal interface is connected to the pantograph enveloping module 300.

When a user needs to play the music of the Huqin through the terminal, the terminal device can be externally connected through the terminal interface, and the user requirements are met.

In some embodiments of the present invention, an auxiliary debugging interface is disposed on the housing, and the auxiliary debugging interface is connected to the pantograph enveloping module 300.

In order to further reduce noise and beautify tone quality, various sound card software is externally connected through the auxiliary debugging interface to realize reverberation and electric sound effects, and various huqin tone colors can be adjusted through the sound card software.

In some embodiments of the present invention, an earphone monitoring interface is disposed on the housing, and the earphone monitoring interface is connected to the fortune bow enveloping module 300.

Be provided with one or more earphone and monitor the interface, the audio frequency of will fortune bow envelope module 300 output is carried to user's earphone through earphone monitoring interface, avoids the user to disturb other people when playing, simultaneously, does not receive environmental restriction yet, does benefit to many people training teaching.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A novel electro-acoustic Huqin is characterized by comprising a shell and magnetic conductive strings, wherein a magneto-electric vibration pickup amplification module, a frequency selection filtering module and a fortune bow enveloping module matched with the magnetic conductive strings are arranged in the shell; the signal output end of the magnetoelectric vibration pickup amplification module is connected with the signal input end of the frequency-selecting filtering module, and the signal output end of the frequency-selecting filtering module is connected with the signal input end of the operational bow enveloping module.

2. The novel electro-acoustic urheen according to claim 1, wherein the frequency-selective filtering module comprises a filtering unit, a tone brightness selection unit and a frequency-selective unit; the signal output end of the filtering unit is connected with the signal input end of the tone brightness selection unit, the signal output end of the tone brightness selection unit is connected with the signal input end of the frequency selection unit, and the signal output end of the filtering unit is further connected with the signal input end of the operational bow envelope module.

3. The new electro-acoustic urheen according to claim 2, wherein said filter unit comprises one or more T-type filter circuits, said frequency selection unit comprises one or more RC filter circuits, the signal output terminal of each of said T-type filter circuits is connected to the signal input terminal of said timbre brightness selection unit, and the signal input terminal of each of said RC filter circuits is connected to the signal output terminal of said timbre brightness selection unit.

4. The novel electro-acoustic urheen according to claim 1, wherein the magneto-electric vibration pick-up amplifying module comprises an operational amplifier A1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a magnetic conductive string and a magnetic inductor matched with the magnetic conductive string; one end of the capacitor C2 is connected to the resistor R1, the other end of the capacitor C2 is grounded, the resistor R1 is further connected to the capacitor C1 in parallel, the inverting input terminal of the operational amplifier a1 is connected to the output terminal of the operational amplifier a1 through the resistor R1, two ends of the magnetizing inductor are respectively connected to the non-inverting input terminal and the inverting input terminal of the operational amplifier a1, the common terminal of the magnetizing inductor and the non-inverting input terminal of the operational amplifier a1 is connected to one end of the resistor R2, one end of the resistor R2 is further connected to one end of the capacitor C3, the other end of the resistor R2 and the other end of the capacitor C3 are both grounded, and the output terminal of the operational amplifier a1 is connected to the signal input terminal of the frequency-selective filter module through the resistor R3.

5. The novel electro-acoustic urheen according to claim 2, wherein the bowing envelope module comprises a resistor R4, a resistor R5, a diode D1, an operational amplifier a2 and an operational amplifier A3, wherein the signal output end of the filtering unit is connected with the signal input end of the operational amplifier a2 through the resistor R4, and the signal output end of the operational amplifier a2 is connected with the signal input end of the operational amplifier A3 through the diode D1 and the resistor R5.

6. The novel electro-acoustic urheen according to claim 1, wherein a voltage-controlled mute amplification module cooperating with the magnetic conductive strings is further arranged in the casing, and a signal input end of the voltage-controlled mute amplification module is connected with a signal output end of the pantograph envelope module.

7. The novel electro-acoustic urheen according to claim 6, wherein a proportional combining and amplifying module is further disposed in the housing, a signal input terminal of the proportional combining and amplifying module is connected to a signal output terminal of the frequency-selective filtering module, and a signal output terminal of the proportional combining and amplifying module is connected to a signal input terminal of the voltage-controlled squelch amplifying module.

8. The novel electro-acoustic urheen according to claim 1, wherein said housing is provided with a terminal interface, said terminal interface being connected to said pantograph envelope module.

9. The novel electro-acoustic urheen according to claim 1, wherein an auxiliary debugging interface is arranged on the shell and connected with the fortune bow enveloping module.

10. The novel electro-acoustic urheen according to claim 1, wherein an earphone monitoring interface is provided on the housing, and the earphone monitoring interface is connected with the bowing enveloping module.