73results about "Harps" patented technology

The utility model provides a resonance cavity structure of a seven-stringed plucked instrument body. According to the seven-stringed plucked instrument body, a resonance cavity is defined by a panel and a bottom plate with the same outer edges; wherein the panel is arc-shaped and is formed by bonding an inner panel and an outer panel with the same outer edges; the bottom plate is in a flat plate shape and is formed by bonding an inner bottom plate and an outer bottom plate with the same outer edges. The inner panel and the inner bottom plate enclose to form a seven-stringed plucked instrument cavity. The seven-stringed plucked instrument body resonance cavity structure provided by the utility model can effectively solve the problems that seven-string sound flutters, one string does not enter a chamber, the sound pressing uniformity is insufficient, the sound reverberation is insufficient, and the sound frequency is mixed by arranging a plurality of sound guide grooves in the resonance cavity structure of the seven-stringed plucked instrument body. Meanwhile, a composite environment-friendly material is used, and the problems that wood is prone to cracking and deformation, scarce and high in cost, and the environment is damaged in the machining process are solved.

The present invention discloses a method, system, device and storage medium for automatic composition of guzheng music. The method includes: obtaining the numbered musical notation data of the guzheng, converting the numbered musical notation data of the guzheng into staff notation data, obtaining MIDI format data according to the staff notation data, and constructing a guzheng music dataset; obtaining the chorus part of each song in the guzheng music dataset, and using the chorus part and the full song as a training set; training a GRU network with the training set to obtain preliminary melody data after training; performing reinforcement learning training on the preliminary melody data to obtain music data with guzheng performance techniques; performing timbre conversion on the music data with guzheng performance techniques to generate music data with guzheng timbre. The present invention uses the gated recurrent unit GRU algorithm to generate the melody of guzheng string music, and then uses reinforcement learning to train in terms of folk guzheng techniques, making the generated music closer to real guzheng folk music, and can be widely applied to the field of automatic composition technology.

The invention relates to the technical field of seven-stringed plucked instrument auxiliary devices, in particular to a novel seven-stringed plucked instrument base which comprises a base plate, brass foot assemblies are fixedly installed at the four corners of the bottom of the base plate, a plucked instrument body base is placed at the top of the base plate, each brass foot assembly comprises an installation sleeve, and a supporting base is installed at the bottom of each installation sleeve in a threaded mode. A connecting base is installed at the bottom of the supporting base in a threaded mode, a vibration isolation pad is embedded in the bottom of the connecting base, and an inner cavity of the bottom of the installation sleeve is provided with an inner thread. According to the supporting structure of the high-purity brass foot, on one hand, vibration coupling with the guqin is avoided through stable own frequency, on the other hand, the contact area between the guqin body base and the ground is reduced, transmission of ground vibration to the base is reduced, external interference is further reduced, and meanwhile the brass foot meeting the vibration isolation requirement can be selected in different ground scenes; ground vibration is prevented from reversely interfering with Guqin vibration, and the application scene of the base is further widened.

The utility model relates to the technical field of electronic plucked musical instruments, in particular to a sliding type plucked device and an electronic plucked musical instrument, the sliding type plucked device comprises a plucked seat, a sliding block type linear displacement sensor arranged on the plucked seat and a plucked block, the sliding block type linear displacement sensor comprises an input sliding rod, and the input sliding rod is connected with the plucked block. The top of the input sliding rod is sleeved with the plucking block. The sliding type plucking device not only can prevent fingers from being hurt by strings, but also is more fit with the playing mode of a traditional plucking instrument, can better simulate the string plucking function of the traditional plucking instrument, and can be better suitable for various electronic plucking instruments.

Present invention relates to a string fine-tuning pin of a musical instrument comprising on a common axis of rotation a tensioner (2) for a string (8) and a locking part (3). When coarse tuning of a string (8), a head (6) of the locking part (3) can be fixed into a fixing orifice (5) and the position of the tensioner (2) is adjustable in relation to the locking part (3) by a fine-tuning screw (1). Butting ends of the tensioner (2) and the locking part (3) comprise screw-sloped surfaces (9). Turning of the fine- tuning screw (1) forces the tensioner (2) to turn in relation to the locking part (3) around their common axis of rotation by sliding the screw-sloped surfaces (9) of the tensioner (2) on the screw- sloped surfaces (9) of the locking part (3).

The invention relates to the technical field of musical instruments, and discloses a fifty-string plucked instrument which comprises a support. The resonance box is arranged on the bracket; the pair of Yueshan is arranged on the top surface of the resonance box; the tension balancing mechanism is arranged on the resonance box, twenty-nine strings are arranged on the tension balancing mechanism, two ends of each of twenty-one strings are respectively connected with a pair of Yueshan, one end of each of the other eight strings is connected with any Yueshan, and the other end of each of the other eight strings is connected with the top surface of the resonance box through a connecting piece; according to the invention, a five-sound-order tuning mode and a seven-sound-order tuning mode are provided, a twelve-tone equal law is completely formed, the range of national musical instruments is expanded, the playing field of the musical instruments is increased, and the playing performance of the musical instruments is improved.

The utility model discloses a musical instrument Ruan which comprises a headstock, a neck connected below the headstock, a resonance box connected below the neck, and strings connected between the headstock and the resonance box, the upper surface of the neck is flush with a panel of the resonance box, and the upper surface of the resonance box is flush with the panel of the resonance box. The upper surface of the guitar neck and the upper side of the middle part of the resonance chamber panel are fixedly connected with a plurality of guitar products, the guitar head is provided with a tuning peg, the lower side of the middle part of the resonance chamber panel is fixedly connected with a covering hand, and the guitar strings are connected between the tuning peg and the covering hand; a slotted hole is formed between the covering hand and the panel of the resonance box, and a sound window is arranged on the panel of the resonance box and arranged in the slotted hole. The musical instrument ruan overcomes the influence of the sound beam in the traditional ruan on the sounding of the resonator, so that the tone is more mellow and full and is rich in expressive force, and the banquet music style pursued by the literals in the wei-Jin period is expressed.

The tube comprises a tube body and a skin assembly covering a front opening of the tube body, the side wall of the tube body is provided with an assembly hole for insertion of a rod, and the outer wall of the front opening of the tube body is provided with a positioning groove for clamping of the skin assembly. The musical instrument skin assembly is prefabricated by a prefabricated frame and a musical instrument film which covers and wraps the top of the prefabricated frame in a gluing manner. The utility model relates to the technical field of musical instrument accessories. According to the urheen tube with the urheen skin convenient to replace, the urheen skin assembly separated from the urheen tube body can be prefabricated by taking the prefabricated frame as a supporting bracket and matching with the urheen film covering the prefabricated frame, that is, one urheen tube can be provided with a plurality of urheen skins of different specifications, and for different playing requirements, a player only needs to assemble the corresponding urheen skin assembly, so that the urheen tube is convenient to replace. In addition, the prefabricated frame is assembled on the front opening of the sound box main body in a clamping connection mode, and is convenient to disassemble and assemble.

The utility model discloses a guqin with a built-in sword, which comprises a guqin body and the sword, the forehead part of the guqin body is provided with a sword handle for accommodating the sword and a groove for protecting a hand, the guqin body is internally provided with a scabbard-shaped inner cavity from a bearing part to the tail part of the guqin body, and the groove is also internally provided with an elastic fixing piece capable of clamping the sword handle. Due to the design of the groove in the guqin head and the scabbard-shaped inner cavity in the guqin body, the sword can be contained in the guqin, the guqin and the sword can be conveniently carried at the same time, the combination of the guqin and the sword is realized, and the guqin culture and the sword culture are fused together. The rear sword handle can be effectively clamped through the elastic fixing piece, and therefore it is guaranteed that the sword cannot fall out of the guqin.

The invention, which relates to the technical field of the Chinese zither rack, discloses a folding portable Chinese zither rack comprising a hinge. The first support assembly is rotationally connected with a second support assembly through a hinge; wherein a groove box is fixedly connected to the first support assembly, a gap is formed between the groove box and the top of the second support assembly, two reserved groove openings are symmetrically formed in the two side walls of the groove box, a rubber pad is arranged on the top wall of the groove box, and a smooth piece layer is arranged in the groove box and is of a V-shaped structure. According to the folding portable Chinese zither frame, the ring belt structure is driven to rotate through the shifting rod, the rubber pad located in the groove box is pulled out and placed on the top wall of the groove box, in the process, the smooth piece layer arranged above the groove box is pulled into the groove box, and the characteristic that the scraping tip at the end of the scraping plate abuts against the outer wall of the smooth piece layer is utilized, so that the Chinese zither frame is convenient to fold. And therefore, dust on the surface of the smooth sheet layer can be conveniently scraped, and the structural design is humanized.

A combined retro qin. Relate to a kind of national musical instrument, more particularly to a kind of structural improvement of combined retro qin. It include: resonance box, neck, the neck is fixedly connected with the end of resonance box;Fingerboard, the fingerboard is fixedly arranged above resonance box, one end is fixedly connected with the resonance box, the other end is fixedly connected with neck;Lower bridge, the lower bridge is fixedly arranged at the top of resonance box, for conducting the vibration energy of string;And tuning mechanism, several strings are tightened on lower bridge by tuning mechanism. The resonance box includes: resonance box side wall, resonance box panel, the resonance box panel is fixedly arranged at the top of resonance box side wall;And resonance box bottom plate, the resonance box bottom plate is fixedly arranged at the bottom of resonance box side wall, and is provided with sound hole. The present application improves the use experience, reduces the difficulty of string installation and replacement, the string stability is better, tuning is more convenient and accurate, and is beneficial to popularization and dissemination.

The invention discloses a double-arc three-cavity guqin, which relates to the technical field of guqin, and comprises a guqin body, wherein the interior of the guqin body is hollow to form a resonance cavity, the guqin body comprises a guqin top plate and a guqin bottom plate arranged relatively up and down, a dragon pool and a phoenix pond connected to the resonance cavity are arranged on the guqin bottom plate, a first nayin and a second nayin are arranged in the resonance cavity, the first nayin and the second nayin are both arranged on the guqin top plate, the first nayin is opposite to the dragon pool, the second nayin is opposite to the phoenix pond, the first nayin is hollow inside to form a first resonance cavity, and both ends of the first nayin are provided with a first sound outlet hole connected to the first resonance cavity, the second nayin is hollow inside to form a second resonance cavity, and both ends of the second nayin are provided with a second sound outlet hole connected to the second resonance cavity. The double-arc three-cavity guqin provided by the invention changes the two solid wood nayins of the existing guqin into resonance cavities, so that the double-arc three-cavity guqin can emit louder sound than the existing guqin.

The utility model relates to the technical field of national musical instruments, in particular to a double-resonator board elastic national musical instrument, which comprises strings and a double-resonator board vibration generating device, and the double-resonator board vibration generating device comprises a ladle-shaped sounding device and an instrument tube sounding device which are integrally and fixedly connected up and down. The front side of the ladle-shaped sounding device and the front side of the sound tube sounding device are respectively provided with a sound hole and a sound board, the strings vertically penetrate through the sound holes and the front side of the sound board, plucking and string pulling are achieved at the same time, flexible switching of double ranges can be achieved without changing the musical instrument, and stage performance personnel can easily and flexibly perform multi-range playing.

The invention provides a double-jack five-degree-string Henan playing Banhu which comprises a Henan playing Banhu body and two jacks which are installed on the Henan playing Banhu body, change traditional four-degree strings into five-degree strings and are used for supporting strings, the Henan playing Banhu body comprises an instrument cylinder and an instrument rod installed on the instrument cylinder, the jacks are installed on the instrument rod, the number of the jacks is two, and the jacks are connected with the instrument cylinder. Wherein one jack is used for supporting an outer string of a string, and the other jack is used for supporting an inner string of the string. Through the design that the inner and outer strings are independently supported by the double jacks, the limitation of four-degree ranges of a traditional Henan viola Banhu body is broken through, accurate conversion of five-degree ranges is achieved, meanwhile, mutual interference of string bodies is avoided, diversified playing requirements are met, and the application range of the musical instrument is widened.

The utility model discloses a composite material Chinese zither box body, which comprises a panel, side plates, a back plate, a head plate and a tail plate, the side plates are arranged on two sides of the panel, the side plates and the panel are integrally formed, the head plate and the tail plate are arranged at two ends of the back plate, and the head plate, the tail plate and the back plate are integrally formed. The face plate, the side plates, the back plate, the head plate and the tail plate are all made of carbon fiber composite materials and are mutually buckled, bonded and fixed to form a hollow box body structure. The Chinese zither box has the following advantages and effects that the Chinese zither box body is formed by compositing resin and fiber materials, is insensitive to changes of temperature and humidity, does not need special maintenance, and has no risk of deformation and cracking, so that the tone quality of the Chinese zither can be improved, and the quality performance is stable.

This application relates to a musical instrument that combines craftsmanship and teaching, belonging to the technical field of musical instrument teaching aids. It includes a body and a pair of bridges for string support. The body includes a main soundboard and a soundboard located at one end of the main soundboard. The soundboard is angled. A first locking strip and a first locking groove are respectively provided on the opposite side of the main soundboard and the soundboard, with the first locking groove for the first locking strip to be inserted and engaged. A pair of legs, which cooperate with the soundboard, are provided at the end of the main soundboard away from the soundboard. The pair of bridges are located at both ends of the top of the main soundboard, with a second locking strip at the bottom of the bridges. A second locking groove is provided on the top of the body for the second locking strip to be inserted and engaged. This application, by providing mutually cooperating locking grooves and strips, enables convenient assembly and disassembly of the main structures of the guzheng or guqin, thus effectively facilitating teachers' demonstration of the guzheng or guqin's structural components. Furthermore, the guzheng or guqin can also be used as a decorative craft when assembled.

A stringed musical instrument is disclosed comprising a first tube including a body portion having a bottom end and a top end, and a neck portion with a first end extending longitudinally from the bottom end of the body portion, and a second end. A first string support is connected to the second end of the neck portion, and includes a peg box supporting a plurality of tuning pins. A plurality of musical instrument strings extend from the body portion to the tuning pins. The instrument also includes a bridge with a body-contacting portion configured to engage with the body portion, and a string-contacting portion configured to engage with the plurality of strings, and a second tube extending outwardly from the top end of the body portion, forming a chin rest. Corresponding systems and methods also are disclosed.

The invention discloses a seven-stringed plucked instrument, and relates to the technical field of plucked string instruments. The seven-stringed plucked instrument comprises two innovative seven-stringed plucked instruments, each seven-stringed plucked instrument comprises a seven-stringed plucked instrument body and strings arranged above the seven-stringed plucked instrument body, the seven-stringed plucked instrument body is internally provided with a resonance cavity, the bottom of the seven-stringed plucked instrument body is provided with a dragon pond and a phoenix pond which are communicated with the resonance cavity, and the effective chord lengths of the two innovative seven-stringed plucked instruments are 1260-1308 mm and 680 The two innovative guqins are the low-pitch guqin and the high-pitch guqin, the low-pitch guqin is lower than a traditional guqin by eight degrees, the high-pitch guqin is higher than the traditional guqin by eight degrees, the traditional guqin serves as an alto-pitch guqin, and the three guqins form the octave pitch relation, so that the range of the guqin is widened; complete music performance from low pitch to high pitch can be completed under the cooperation of the three-bed seven-stringed plucked instrument, and the completeness and diversity of the seven-stringed plucked instrument in music performance are improved.

The invention discloses a structure for adjusting and keeping string tension, belongs to the technical field of string instrument accessories, and is suitable for string instruments with tuning pegs, such as violin, cello, erhu, lute and the like. The structure comprises a peg body and a headstock, one end of the peg body is provided with a knob, the other end of the peg body is provided with a string clamping groove, and the outer wall of the cylindrical section is provided with one or more protrusions; and a matched groove part is arranged at the corresponding position of the tuning peg hole of the guitar head. During tuning, the knob is rotated to adjust the tension of the string to a target pitch, and the tuning peg body is pulled to clamp the convex part into the groove part, so that the rotation of the tuning peg can be limited, and the tension of the string is stabilized to keep intonation. According to the tuning peg, reliable rotation resistance torque is provided through accurate clamping of the protruding part and the groove part, and the problems that a traditional tuning peg is prone to loosening and sound runout due to interference fit and a threaded structure, and an external stop device is complex in structure, large in assembly difficulty, inconvenient to use and high in price are solved. The locking device has the advantages of being reliable in locking, simple in structure, convenient to operate, resistant to abrasion and durable, low in machining cost, wide in adaptation range and low in purchase and use cost, and intonation stability and playing experience of the stringed instrument can be remarkably improved.

The urheen provided by the utility model comprises an urheen rod, an urheen head and an urheen cylinder, the top end of the urheen rod is connected with the urheen head, the bottom end of the urheen rod is connected with the urheen cylinder, an urheen support is installed at the bottom of the urheen cylinder, the urheen rod between the urheen head and the urheen cylinder is provided with a first urheen shaft, a second urheen shaft, a string support and timbre from top to bottom, and the first urheen shaft and the second urheen shaft are respectively connected with one end of a string. The other ends of the two strings are installed at the bottom of the guitar support sequentially through the string support, the timbre and the bridge, and the bridge is arranged in the middle of the guitar cylinder. The huqin can stabilize the intonation of the huqin, is convenient for a player to press strings, is convenient for students to learn and play, can maximally reach three octaves in the range span, solves the intonation problem in the early stage of learning, enables people to play music more simply, and promotes the popularization of the huqin.

The utility model provides a Chinese zither frame with a four-sound-beam structure, which comprises a main body frame, and four sound beams which are arranged in parallel at intervals are arranged on the main body frame through tenon-and-mortise structures. The main body frame comprises two side plates which are arranged in parallel at an interval, and a large head plate, a string nail plate and a rear tail plate are arranged between the two side plates; the mortise and tenon joint structure comprises a dovetail blind groove formed in the side plate, positioning blocks corresponding to the dovetail blind groove are arranged at the two ends of the sound beam, the mortise and tenon joint structure further comprises a first positioning groove formed in the side plate, a second positioning groove corresponding to the first positioning groove is formed in the sound beam, and a wooden positioning pin is arranged between the first positioning groove and the second positioning groove. According to the Chinese zither frame with the four-sound-beam structure, the sound beams are tightly connected with the main body frame through the mortises and tenons to form a stable mechanical structure, vibration of strings is transmitted to the sound beams through the panel during playing, the sound beams at different positions cooperate, the resonance frequency band is widened, transition from low-sinking bass to clear high pitch is more natural, the volume is balanced, and sustain is full.

The invention provides an eight-treasure grey guqin lacquer body preparation process and an eight-treasure grey guqin. The eight-treasure grey guqin lacquer body preparation process specifically comprises the following steps: making a wood body by using a radially cut timber with a resonant frequency of 200-400Hz or a hundred-year scar-free and knot-free wood, and wrapping the wood body with a boiled ramie layer; according to the acoustic-aesthetic design rule, carrying out blade coating on a 12-20-mesh ore ash tire layer by layer; the method comprises the following steps: blending ores into raw lacquer according to a material hardness ratio, by mass, 2.0-10 parts of the ore material: the raw lacquer, and 0.8-1.0 part of the wood the raw lacquer; step-type grinding is conducted through a diamond grinding piece till the ore section exposure rate is larger than or equal to 80%, and transparent raw lacquer is smeared to solidify textures; closing pores and reserving 5% of space as the final process; the weight of the finally obtained finished musical instrument is 4.5-6 kg, the overtone energy density is improved by 35%-45%, and the sound scattering and tenuto is larger than or equal to 8 seconds. According to the eight-treasure grey Guqin lacquer body preparation process and the eight-treasure grey Guqin, acoustic conduction optimization can be carried out on large-particle ores, texture color development directional design is carried out, and the technical effect of timbre-appearance coordinated regulation and control is achieved.

The present application relates to a string fine tuning pin for a musical instrument, comprising a tensioner 2 for a string 8 and a locking member 3 on a common axis of rotation. When the string 8 is roughly adjusted, the head 6 of the locking component 3 can be fixed in the fixing hole 5, and the position of the tensioner 2 relative to the locking component 3 can be adjusted through the fine adjustment screw 1. The butt joint end of the tensioner 2 and the locking part 3 comprises a spiral inclined face 9. The rotation of the fine tuning screw 1 forces the tensioner 2 to rotate relative to the locking member 3 about their common axis of rotation by sliding the helical bevel 9 of the tensioner 2 on the helical bevel 9 of the locking member 3.