Erhu capable of improving tone quality
By installing a sound pickup stick and a patch pickup on the erhu and using the effector to perform audio processing, the problem of insufficient sound quality in the traditional erhu is solved, high sound quality and multiple sound effects are achieved, cost is reduced, and the development of erhu art is promoted.
Patent Information
- Application Number
- CN202421799499.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The sound effects requirements of traditional erhu in modern large-scale performance venues cannot be met. The existing technology cannot effectively improve the sound quality and is cost-effective, and has high requirements for the material of the piano skin and piano cylinder, resulting in a single sound effect and hindering the development of erhu art.
The combination of sound pickup stick and patch pickup is installed in a specific location in the Erhu area, and the audio processing is performed through the effector to achieve sound quality improvement and electronic music production.
It has achieved the high-sounding demand of traditional erhu in large-scale performance venues, reduced learning costs, retained the aesthetics of the traditional structure, and had recording and multiple sound effects functions, promoting the inheritance of erhu art.
Smart Images
Figure CN223092555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an erhu capable of improving sound quality, belonging to the technical field of musical instruments. Background Art
[0002] As is well known, the erhu is a unique and charming bowed string instrument in our country. The structure of the traditional erhu is relatively simple, mainly including a sound box, a resonator, a neck, strings, tuning pegs and a nut. Among them, the resonator is one of the important accessories of the erhu, which is hexagonal, and the whole resonator is in a wasp-waisted shape. The front opening of the resonator is provided with a soundboard made of snake skin, the rear opening of the resonator is provided with a sound window, and a bridge and a sound pad made of flannelette or felt are arranged on the soundboard. The sound production principle of the erhu is as follows: using a bow to rub the strings to make them vibrate, thereby generating sound waves of a certain frequency. These sound waves will be conducted on the strings to the bridge, and the sound waves transmitted to the bridge will be effectively transmitted to the soundboard and the resonator. The sound waves and vibrations will produce a sound amplification effect in the closed chamber formed by the resonator and the soundboard, thus forming the original sound of the erhu.
[0003] With the increasing expansion of modern performance venues, the requirements for the sound production of musical instruments are getting higher and higher, making the sound production of traditional-structured erhus unable to meet the sound effect requirements for performances in larger venues. At present, using straps or brackets to fix a microphone or hanging microphone near the erhu player for sound collection, or by bundling a wireless transmitter on the erhu and connecting the receiver with an adapter, can only increase the volume of the erhu, and cannot solve the problem of environmental noise. It not only has high requirements for the environment, but also has very high requirements for the materials of the soundboard and resonator of the erhu. Moreover, it cannot realize functions such as different sound effects, improving sound quality, and the production and editing of electronic music. There are problems such as inconvenient use, high cost (the price of an erhu with good sound quality is as high as ten thousand yuan) and single sound effect, which hinder the inheritance and development of erhu art. Summary of the Utility Model
[0004] Aiming at the above problems existing in the prior art, the purpose of the utility model is to provide an erhu capable of improving sound quality, which not only enables the traditional erhu to meet the high sound quality requirements of modern large-scale performance venues, but also makes the sound quality of the erhu no longer limited by the materials of the soundboard and resonator of the erhu, so that ordinary erhus can also achieve the sound quality of high-quality erhus.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] An erhu capable of improving sound quality includes an erhu body, a pickup rod and a patch pickup. The erhu body includes a sound box, a resonator, a neck, strings, tuning pegs, a nut, a soundboard arranged at the front opening of the resonator and a sound window arranged at the rear opening of the resonator. A bridge and a sound pad are arranged on the soundboard, the pickup rod is installed between the sound pad and the soundboard, and the patch pickup is installed on the inner wall of the resonator close to the soundboard.
[0007] A preferred embodiment is that the thickness of the sound pickup rod is 1 ± 0.2 mm, and the length of the sound pickup rod is 6 ± 0.5 cm.
[0008] An implementation scheme is that the erhu further includes an effects processor, and the effects processor is installed on the outer peripheral surface of the sound box.
[0009] An implementation scheme is that the effects processor is provided with a plurality of audio input interfaces, and the audio plugs of the sound pickup rod and the patch pickup are respectively plugged and connected to an audio input interface of the effects processor.
[0010] An implementation scheme is that the audio cable of the sound pickup rod passes through the gap channel between the sound box and the violin support and is then plugged and connected to an audio input interface of the effects processor.
[0011] An implementation scheme is that the audio cable of the patch pickup passes through the sound window after passing through the inner cavity of the sound box and is then plugged and connected to an audio input interface of the effects processor.
[0012] An implementation scheme is that the effects processor is further provided with an audio output port connected to a speaker or a headset or a sound card.
[0013] A preferred embodiment is that the effects processor is built-in with a Bluetooth module and a charging module.
[0014] A preferred embodiment is that the effects processor is further provided with a battery level indicator light, a power switch, a charging interface, a volume adjustment knob, and delay, reverb, and chorus effect knobs.
[0015] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:
[0016] By selecting specific pickups for internal and external combination and installing them at specific positions on the erhu, the present utility model can not only effectively improve the sound quality of the erhu, enabling the traditional erhu to meet the high sound quality requirements of modern large-scale performance venues, but also make the sound quality of the erhu no longer limited by the materials of the erhu skin and the sound box, allowing ordinary erhus to achieve the sound quality of high-quality erhus, thereby reducing the learning cost and threshold of the erhu. In addition, by setting an effects processor, audio recording, electronic production, and multiple sound effects of the erhu can also be realized. In addition, the erhu of the present utility model not only highly retains the external structure of the traditional erhu, but also has the advantages of simple structure and convenient use. Therefore, the present utility model has important significance and practical value for the inheritance and development of erhu art. Description of the Drawings
[0017] Figure 1 is a schematic structural diagram of an erhu capable of improving sound quality provided by an embodiment of the present utility model;
[0018] Figure 2 is a front side structural diagram of the sound box of the erhu shown in Figure 1 shown in the figure;
[0019] Figure 3 It is a structural diagram of the rear side of the sound box of the erhu shown Figure 1 in the figure;
[0020] Figure 4 and Figure 5 is a sectional view of the sound box of the erhu shown Figure 1 in different perspectives.
[0021] The reference numerals in the figure are indicated as follows:
[0022] 1. Erhu body; 1-1. Fiddle support; 1-2. Sound box; 1-21. Inner wall of the sound box; 1-3. Neck; 1-4. Strings; 1-5. Tuning pegs; 1-6. Nut; 1-7. Soundboard; 1-8. Sound window; 1-9. Bridge; 1-10. Sound pad; 2. Pickup rod; 2-1. Audio plug of the pickup rod; 2-2. Audio cable of the pickup rod; 3. Patch pickup; 3-1. Audio plug of the patch pickup; 3-2. Audio cable of the patch pickup; 4. Effects processor; 4-1. Audio input interface; 4-2. Audio output port. Detailed implementation manners
[0023] The technical solutions of the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In addition, it should be noted that the terms used in the present utility model are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. Unless otherwise defined, the technical terms or scientific terms used in the present utility model should be the ordinary meanings understood by those with ordinary skills in the art. The orientation or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "top", "bottom", "front", "rear", "left", "right", etc. are all based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "arranged", "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected; for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0024] Embodiment
[0025] Please refer to Figures 1 to 5As shown in the figure, a erhu that can improve sound quality provided by this embodiment includes an erhu body 1, a pickup rod 2, and a patch pickup 3. The erhu body 1 includes a base 1-1, a sound box 1-2, a neck 1-3, strings 1-4, tuning pegs 1-5, a nut 1-6, a snake skin soundboard 1-7 made of snake skin at the front opening of the sound box 1-2, and a sound window 1-8 at the rear opening of the sound box 1-2. A bridge 1-9 is provided on the soundboard 1-7, and a sound pad 1-10 made of flannel or felt is located below the bridge 1-9; the pickup rod 2 is installed (specifically inserted into the gap between the sound pad 1-10 and the soundboard 1-7) between the sound pad 1-10 and the soundboard 1-7, and the patch pickup 3 is installed (specifically, it can be pasted with double-sided tape) on the inner wall 1-21 of the sound box close to the soundboard 1-7.
[0026] Since the soundboard 1-7 of the erhu is an important vibrating surface, which can convert the vibration of the strings into sound waves and amplify them. Therefore, in this application, by installing the pickup rod 2 between the sound pad 1-10 and the soundboard 1-7, accurate sound pickup can be achieved, and the most primitive erhu vibration sound waves can be picked up; however, a single pickup rod 2 will still pick up noise at the same time, while the patch pickup 3 has a powerful anti-interference and noise reduction function, and can achieve clear sound pickup in a complex environment. It has been widely used in various styles of playing and singing, slapping and fingerpicking on guitars and violins. And the erhu also has special playing methods such as slapping, knocking, and plucking the strings. Therefore, in this application, by installing the patch pickup 3 on the inner wall 1-21 of the sound box close to the soundboard 1-7 at the same time, not only can the noise be reduced, but also the playing sounds other than the friction between the bow and the strings can be picked up better, realizing a sound pickup function with a small loss rate and a high collection degree. The results of multiple tests by the inventor of this application show that: if only the pickup rod 2 is installed between the sound pad 1-10 and the soundboard 1-7, after connecting to the speaker, the output erhu sound will have strong noise, and there will be strong waveform distortion in the high notes; if only the patch pickup 3 is installed on the inner wall 1-21 of the sound box close to the soundboard 1-7, after connecting to the speaker, the sound is relatively light and there is little difference from the original sound; if the pickup rod 2 is installed between the sound pad 1-10 and the soundboard 1-7, and at the same time the patch pickup 3 is installed on the inner wall 1-21 of the sound box close to the soundboard 1-7 for a special combination of internal and external sound pickup, not only the output sound has a high degree of restoration, but also the amplification effect is obvious. The erhu sound is clean and noise-free, and even an ordinary erhu (with a price of only more than one hundred yuan) can achieve the sound quality of an erhu worth tens of thousands of yuan.
[0027] As a preferred solution, the thickness of the pickup rod 2 is 1±0.2 mm to avoid the sound pad affecting the correct contact between the bow hair and the strings; in addition, since the diameter of the hexagon across the flats at the front opening of the sound box 1-2 is about 8.8 cm, and tests show that if the length of the pickup rod 2 is too long, it is easy to pick up some inadvertent noises such as the collision between the bow and the sound box. Therefore, in order to pick up the erhu sound more accurately, the length of the pickup rod 2 in this application is preferably 6±0.5 cm.
[0028] In this embodiment, the erhu further includes an effect processor 4, which is installed on the outer peripheral surface of the sound box 1-2. Specifically, it can be directly bonded to the outer peripheral surface of the sound box 1-2 with hot melt adhesive. However, it can also be installed by opening an installation groove or opening (not shown in the figure) on the outer peripheral surface of the sound box 1-2, and then bonding the effect processor 4 in the installation groove or opening with hot melt adhesive. The effect processor 4 is provided with two audio input interfaces 4-1. The audio plug 2-1 of the pickup rod and the audio plug 3-1 of the patch pickup are respectively plugged into one audio input interface 4-1 of the effect processor 4. By connecting the pickup rod 2 and the patch pickup 3 to the effect processor 4, functions such as electronic sound effects, electronic music production, and editing can be realized for the picked-up erhu sound.
[0029] In this embodiment, the audio cable 2-2 of the pickup rod passes through the gap channel between the sound box 1-2 and the fiddle rest 1-1 and is then plugged into one audio input interface 4-1 of the effect processor 4; the audio cable 3-2 of the patch pickup passes through the sound window 1-8 after passing through the inner cavity of the sound box 1-2 and is then plugged into one audio input interface 4-1 of the effect processor 4. This wiring method described in this embodiment has the advantages of not affecting the aesthetics and simplifying the connection circuit.
[0030] In addition, the effect processor 4 described in this embodiment is further provided with an audio output port 4-2 connected to a speaker or a headphone or a sound card, so as to realize functions such as sound amplification, silent operation to avoid disturbing others, and recording.
[0031] As a preferred solution, the effect processor 4 is internally provided with a Bluetooth module to facilitate connection with intelligent electronic devices such as computers and mobile phones. In addition, it is preferably internally provided with a charging module to facilitate charging operations for the effect processor 4; furthermore, the effect processor 4 is preferably further provided with a battery level indicator light, a power switch, a charging interface, a volume adjustment knob, and delay, reverb, and chorus effect knobs.
[0032] It should be noted here that the pickup rod 2, the patch pickup 3, and the effect processor 4 described in this application are all commercially available finished products. For example: the pickup rod 2 can be selected as the Sound Hunter TFS-69 pickup rod, but the length is customized to 6 cm; the patch pickup 3 can be selected as the Schaller 723 patch pickup; the effect processor 4 can be selected as the Reverb digital reverb effect processor, but the audio input interface is customized to two.
[0033] Finally, it is necessary to point out here that: the above description is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.
Claims
1. An erhu that can improve sound quality, characterized in that: The invention comprises an erhu body, a pickup rod and a patch pickup. The erhu body comprises a shank, a sound box, a neck, strings, pegs, a bridge, a sound skin arranged at the front of the sound box, and a sound window arranged at the back of the sound box. The sound skin is provided with a bridge and a sound pad located below the bridge. The pickup rod is installed between the sound pad and the sound skin, and the patch pickup is installed on the inner wall of the sound box close to the sound skin.
2. The erhu capable of improving sound quality according to claim 1, characterized in that: The thickness of the pickup rod is 1±0.2 mm, and the length of the pickup rod is 6±0.5 cm.
3. The erhu capable of improving sound quality according to claim 1 or 2, characterized in that: The erhu also includes an effector, which is installed on the outer circumference of the sound box.
4. The erhu capable of improving sound quality according to claim 3, wherein: The effector is provided with a plurality of audio input interfaces, and the audio plug of the pickup stick and the audio plug of the patch pickup are respectively plugged and connected with an audio input interface of the effector.
5. The erhu capable of improving sound quality according to claim 4, characterized in that: The audio line of the pickup stick passes through the gap channel between the sound box and the soundboard and is plugged into an audio input interface of the effector.
6. The erhu capable of improving sound quality according to claim 4, wherein: The audio line of the patch pickup passes through the sound window from the inner cavity of the piano body and is plugged into an audio input interface of the effector.
7. The erhu capable of improving sound quality according to claim 3, characterized in that: The effector is also provided with an audio output port connected to a speaker, earphone or sound card.
8. The erhu capable of improving sound quality according to claim 3, characterized in that: The effector is built with a Bluetooth module and a charging module.
9. The erhu capable of improving sound quality according to claim 3, wherein: The effector is also provided with a power indicator light, a power switch, a charging interface, a volume adjustment knob, and delay, reverb, and chorus effect knobs.