39results about How to "Excellent tone" patented technology

The invention discloses an automatic dubbing method and system based on generative AI. The method comprises the following steps: separating a human voice audio, a background voice audio and a silent video part from an original video, automatically identifying and translating text content in the audio, and combining a translated text with a corresponding time period to generate a translated subtitle text; segmenting the voice audio into segments, marking character attributes for each segmented segment according to voiceprint features, and evaluating the voice quality at the same time; converting the segmented subtitle text into timbre audios of a target language by using a TTS technology, and connecting and merging the audios according to the starting and ending time of the subtitles; and finally, synthesizing the generated target audio with the background sound audio and the silent video to obtain a complete target video. The above steps efficiently complete dubbing work of multiple languages, multiple roles and multiple scenes, and improve dubbing quality and dubbing efficiency.

The invention relates to the technical field of artificial intelligence, and discloses a song beautifying method and system based on streaming matching, and the method comprises the steps: obtaining song data and music score data; extracting timbre characteristics and a phoneme posterior probability graph from the singing data; generating a multi-dimensional song expressive force sequence according to the music score data and the phoneme posterior probability graph; generating a voice Mel spectrum according to the multi-dimensional song expressive force sequence, the phoneme posterior probability graph and the timbre characteristics; and inputting the voice Mel spectrum into a vocoder for conversion processing to obtain beautified singing voice. According to the invention, the output singing voice can be optimized in intonation, timbre and expressive force, the expressive force and naturalness of the singing voice can be obviously improved, and the generated singing voice is higher in quality, smoother in listening feeling and rich in expressive force.

The invention provides whitening and halitosis removing toothpaste and a preparation method thereof. The toothpaste is prepared from, by mass, 20%-30% of hydrated silica, 2%-4% of pyrophosphate, 20%-30% of clove powder, 20%-30% of sodium phytate, 0.5%-1.5% of a thickening agent, 20%-30% of hydroxyapatite, 2%-4% of modified glycerin, 2%-4% of a humectant, 20%-30% of sodium tripolyphosphate, 0.1%-0.2% of a bacteriostatic agent, 0.1%-0.2% of a sweetening agent, 2%-4% of a stain remover, 1.0%-2.0% of a foaming agent, 1.0%-1.5% of a preservative and the balance deionized water. Compared with the prior art, the toothpaste composition with the whitening function, disclosed by the invention, has the advantages that by adding the biological enzyme for decomposing pigments and carbohydrates remained in an oral cavity or teeth to generate hydrogen peroxide with a bleaching function, not only can pigments causing exogenous stains of the teeth be removed, but also endogenous stains can be removed; meanwhile, the stimulation to the oral cavity is reduced, and the clove has the effect of removing halitosis because the fragrance of the clove is strong, so that the clove can be used for treating oral diseases and eliminating the odor in the oral cavity.

The utility model discloses a folding twelve-product six-string guitar, which belongs to the technical field of intelligent musical instruments, and comprises a guitar box, a guitar handle and a guitar head, an intelligent sound box is arranged in the guitar box, the intelligent sound box is electrically connected with a music chip, the music chip is electrically connected with a sound pick-up, and the sound pick-up is electrically connected with the guitar box. A music chip is arranged in the guitar head, a control module is stored in the music chip, the control module comprises a mode switching key arranged on the guitar head, a chord switching key arranged on the guitar handle and a plurality of groups of control keys arranged on the guitar box, and a display panel used for displaying the state of the control module is arranged on the guitar box. According to the utility model, the intelligent sound box and the music chip are arranged in the guitar box, the mode is set through the mode switching key before playing, treble and bass, volume, timbre, sound effect and the like are set through each group of control keys, and musical sound can be played through the intelligent sound box by shifting the trigger string during playing, so that fool operation is realized, and various timbres, sound effects and the like can be realized.

In a titanium oxide powder of this invention, a ratio (IA / IR) of a peak intensity (IA) of anatase-type crystals to a peak intensity (IR) of rutile-type crystals as measured by X-ray diffractometry is 0.1 or less; particles contained in the powder have an average short-axis length from 10 to 50 nm and an average aspect ratio from 1 to 3; a ratio (A450 / A320) of an absorbance A450 at a wavelength of 450 nm to an absorbance A320 at a wavelength of 320 nm is from 0.015 to 0.5; and the powder contains a nitrogen atom and a peak derived from the nitrogen atom is observed from 395 to 402 eV in ESCA (Electron Spectroscopy for Chemical Analysis) measurement. A titanium oxide powder is thus provided that contains rutile-type crystals as a main component and has an excellent UVA shielding effect, high safety for the human body, and good color tone.

A double-beam konghou includes a resonance box of an arc-shaped hollow box, the box of the resonance box is mainly composed of a first upper sound board, a second upper sound board and a lower sound board, and the cross section of the box is a semicircular hollow cavity, characterized in that: double beams are fixedly arranged in parallel on the inner walls of the first upper sound board, the second upper sound board and the lower sound board; transverse and longitudinal grooves are opened on the inner walls of the first upper sound board, the second upper sound board and the lower sound board to form a sound tunnel; and a transverse beam is arranged in the transverse direction of the resonance box. This solution solves the problems that the high pitch area is not bright when playing the konghou in the past, the bass area is not thick and round enough, and the sound penetration is not strong.

The utility model discloses a kind of hidden combination type record players, including hidden combination structure, electromagnetic levitation system, built-in curved surface sound guide cavity, automatic control module and remote control receiving module, the hidden combination structure includes main body and telescopic storage bin, the telescopic storage bin is slidably connected in main body interior, the telescopic storage bin is used to store the playing assembly of record player, the electromagnetic levitation system is installed in telescopic storage bin;Hidden combination structure is realized the hidden storage of playing assembly by telescopic storage bin, save space, electromagnetic levitation system makes playing assembly levitate, avoid vibration interference, effectively improve tone stability, built-in curved surface sound guide cavity uses the aluminum alloy material of arc structure, combined with sound insulation damping layer, both enhance sound power, and optimize tone, realize the effect of big power, beautiful sound, automatic control module and remote control receiving module cooperate, realize automatic playing, remote control function.

A double-beam liuqin includes a resonance box, the body of which is composed of a panel and a bottom plate, and is characterized in that: two upper sound beams are fixedly arranged in parallel on the inner wall of the panel; a transverse groove and a longitudinal groove are provided on the inner wall of the panel, and the transverse groove and the longitudinal groove are mutually connected to form a transverse sound tunnel and a longitudinal sound tunnel; a transverse sound beam is fixedly arranged between the panel and the bottom plate, and the transverse sound beam and the two upper sound beams are combined to divide the space corresponding to the inner wall of the panel into six resonance areas. This scheme breaks the constraints of the traditional design of the internal structure of the liuqin resonance box in the past, and boldly proposes a new improved design scheme, which solves the problem that the liuqin in the past could not take into account the high, middle and low pitch areas and have good resonance timbre and penetration at the same time, so that the penetration of the liuqin sound (small attenuation, far transmission) is greatly enhanced, the high pitch area is bright and rigid, the middle pitch area is soft and mellow, and the bass area sound quality is more mellow.

This utility model discloses a composite horn, designed to add a diffuser tube to make the sound clearer and brighter, and improve the timbre. The technical solution is as follows: A composite horn includes a mounting plate, a horn body, and a diffuser tube; the mounting plate has a through hole; the horn body gradually tapers along a first direction, and the smaller end of the horn body is fixed to the mounting plate and covers the through hole; the diffuser tube includes a tapered tube and a straight tube sequentially joined along the first direction, the inner diameter of the tapered tube gradually decreasing along the first direction, and the straight tube passing through the through hole; the distance from the end of the tapered tube away from the straight tube to the mounting plate is greater than or equal to the distance from the end of the horn body away from the mounting plate to the mounting plate, belonging to the field of audio technology.

A full-band silicon microphone with a tic-tac-toe sound beam, comprising a sensor, a sound cavity and a circuit board; the sensor comprises a diaphragm and a silicon back plate; a first and a second groove are formed on at least one side of the surface of the diaphragm, the two grooves are cross-shaped and interpenetrate each other, and the surface of the diaphragm is equally divided into four resonance areas; the diaphragm is also provided with a sound beam assembly in the center of the same side surface where the two grooves are provided, comprising a plurality of strip-shaped sound beam components, the strip-shaped sound beam components are arranged in pairs on both sides of the first groove and on both sides of the second groove; the two grooves form sound tunnels on the surface of the diaphragm respectively. The present invention changes the diaphragm from the previous free vibration mode to the current standard vibration mode, and solves the problem that the silicon microphone cannot effectively resonate the full-band sound details from the perspective of vibration and resonance, so that the silicon microphone can effectively resonate in the full-band and achieve a high-fidelity effect. Practice has proved that the improved design scheme has outstanding substantive characteristics and significant technical progress, and has achieved obvious technical effects.

The invention relates to a cone paper damper combined structure of an ultrathin loudspeaker, and belongs to the technical field of cone paper. Comprising drum paper and a damper, the drum paper is composed of an annular folded edge, a conical part, a connecting part and a vibration part, the outer side wall of the annular folded edge is connected with the top of a disc frame, the two ends of the conical part are connected with the inner ring side wall of the annular folded edge and the connecting part respectively, and clamping tables are arranged at the inner end and the outer end of the connecting part respectively. The inner side clamping table of the connecting part is bonded to the outer side wall of the top of the voice coil, the outer side clamping table of the connecting part is bonded to the inner side wall of the damper, the outer side wall of the damper is connected with the disc frame, and the outer side wall of the vibration part is connected to the joint of the conical part and the annular folded edge. According to the invention, the problem that the sound quality damage cannot be avoided while the height of the existing woofer is reduced is solved.

A erhu with a membrane provided with an annular integral sound beam, the front end of the sound box is covered with a membrane; a bridge sound beam is provided on the inner surface of the membrane, the bridge sound beam is annularly positioned in the middle of the inner surface of the membrane, defining a central area; an annular area and a plurality of radiating grooves are also formed on the inner surface of the membrane; the annular area surrounds the central area, and the radiating grooves are evenly arranged radially, dividing the inner surface of the membrane outside the bridge sound beam into a plurality of resonance areas, and the inner ends of the radiating grooves are connected to the annular area; the radiating grooves are concavely arranged on the inner surface of the membrane to form a sound tunnel. The present invention changes the membrane from the previous free vibration mode to the current standard vibration mode, and solves the problem that the high pitch area of ​​the erhu is not bright, and the bass area is not thick and round enough from the perspective of vibration, resonance, and sound generation. Practice has proved that the improved design scheme has outstanding substantial characteristics and significant technical progress, and has achieved obvious technical effects.

The utility model relates to a portable guitar amplifier pedal effector, which comprises a digital audio processing circuit electrically connected with a sound source, a selectable power output module and a selectable tone adjusting module which are electrically connected with the digital audio processing circuit, and a sound box electrically connected with the selectable power output module and the selectable tone adjusting module, the sound boxes are 8-omega sound boxes and 16-omega sound boxes; the digital audio processing circuit comprises a DSP audio processor chip U1, the 13-16 pins of the U1 are used for being matched with a 16-ohm sound box, and the 9-12 pins of the U1 are used for being matched with a 8-ohm sound box. The device is simple in structure and low in manufacturing cost, parts are easy to replace, the pedal form is adopted, the size is small, carrying is convenient, the output power can reach 100 W, and the requirements of various occasions are met.

An aluminum alloy sheet having a chemical composition comprising: Si of 0.51 mass% or more and 0.68 mass% or less, Fe of 0.17 mass% or more and 0.33 mass% or less, and Mg of 0.49 mass% or more and 0.55 mass% or less, with the balance consisting of Al and unavoidable impurities. The aluminum alloy sheet has a tensile strength of 250 MPa or more. The aluminum alloy sheet has a surface having an L value of 80 or more and a b value of -1.0 or more and less than 1.0 in a CIE1976 (L, a, b) color space when the hue of the surface is measured using a C light source after an anodizing treatment in a sulfuric acid bath.

A 360-degree omnidirectional full-range loudspeaker and its vibration diaphragm, the loudspeaker includes a lantern-shaped diaphragm, the lantern-shaped diaphragm is mainly composed of a group of vibration diaphragms evenly arranged around the central axis of the lantern shape, the main body of the vibration diaphragm is a curved sheet, characterized in that: double sound beams are fixedly arranged in parallel on the inner concave surface of the sheet, and transverse grooves and longitudinal grooves are opened on the inner concave surface of the sheet, the transverse grooves and the longitudinal grooves are cross-arranged on the inner concave surface of the sheet and interpenetrate each other, and form a cross-shaped sound tunnel. This solution solves the problem that the original 360-degree omnidirectional loudspeaker is not suitable for full-frequency (wideband) vibration, and now a 360-degree omnidirectional full-range loudspeaker can replace the original combination of high, medium and low-frequency 360-degree omnidirectional loudspeakers, and can even replace the subwoofer at the same time to obtain the effect.

The invention relates to the technical field of musical instrument materials and structures, in particular to a fiddlestick based on bamboo materials and a processing technology of the fiddlestick. The fiddlestick comprises a fiddlestick rod, a fiddlestick head, a horsetail box, fiddlestick hair and accessories, the bow rod is fixedly connected with the bow head; the horsetail box is mounted on the bow rod; the bow hairs are arranged between the bow head and the horsetail box; the bow rod and / or the bow head are / is formed by splicing and bonding a plurality of bamboo materials; the bamboo material is a bamboo block prepared by taking tea stem bamboos as a raw material; the density of the bamboo material is 0.75-0.85 g / cm < 3 >, the dynamic Young modulus is 1.2-2.0 * 10 < 11 > N / cm < 2 >, and the sound conduction speed at normal temperature and normal pressure is 11000-15000m / s; the fiddlestick adopts common tea-stem bamboos as raw materials, is low in cost, wide in source and excellent in performance (especially timbre), and is suitable for replacing a Brazilian sappan fiddlestick for large-scale application.

A soundboard with a sound beam and a sound tunnel in an upright piano, wherein a first groove and a second groove are provided on the outer wall of the soundboard, wherein the first groove is arranged transversely in the length direction of the soundboard, and the second groove is arranged longitudinally in the width direction of the soundboard; the two grooves are cross-shaped and interpenetrate each other, and the outer wall of the soundboard is equally divided into four resonance areas; a sound beam assembly is also provided in the center of the outer wall of the soundboard, including a plurality of strip-shaped sound beam components, and the strip-shaped sound beam components are arranged in pairs on both sides of the first groove and on both sides of the second groove; the first groove forms a transverse sound tunnel on the outer wall of the soundboard, and the second groove forms a longitudinal sound tunnel on the outer wall of the soundboard. The present invention changes the soundboard from the previous free vibration mode to the current standard vibration mode, and solves the problem that the treble region of the upright piano is not bright, and the bass region is not thick and round enough from the perspective of vibration, resonance, and sound generation, and especially improves the pronunciation of the bass region. Practice has proved that the improved design scheme has outstanding substantial characteristics and significant technical progress.

This invention discloses a furan polyester composition, which is mainly composed of 2,5-furan dicarboxylic acid structural units and aliphatic diol structural units. The furan polyester composition contains germanium and antioxidants with specific structures. The furan polyester composition also exhibits good color tone and heat resistance, and can be used in fibers, films, engineering plastics, etc.

A double-beam violin without a sound post includes a resonance box, which is composed of a panel, a bottom plate and a side plate, and is characterized in that: two upper sound beams are fixedly arranged in parallel on the inner wall of the panel; two lower sound beams are fixedly arranged in parallel on the inner wall of the bottom plate; an upper cross-shaped groove is provided on the inner wall of the panel, and the upper cross-shaped groove forms an upper cross-shaped sound tunnel on the inner wall of the panel; a lower cross-shaped groove is provided on the inner wall of the bottom plate, and the lower cross-shaped groove forms a lower cross-shaped sound tunnel on the inner wall of the bottom plate. This scheme breaks the constraints of the traditional bass beam and sound post design in the violin resonance box, cancels the sound post in the violin resonance box, and boldly proposes a new improved design scheme, which solves the problem that the high pitch area of ​​the violin is not bright, and the bass area is not thick and round enough, so that the existing violin resonance box can well take into account the high, middle and bass areas and have good timbre.

A double-tone beam se, comprising a resonance box, the box body of the resonance box being assembled by a panel, a bottom plate and side plates, characterized in that: two upper tone beams are fixedly arranged in parallel on the inner wall of the panel; two lower tone beams are fixedly arranged in parallel on the inner wall of the bottom plate; an upper "feng" character-shaped groove is formed on the inner wall of the panel to form an upper "feng" character-shaped sound tunnel; a lower "feng" character-shaped groove is formed on the inner wall of the bottom plate to form a lower "feng" character-shaped sound tunnel; there are three transverse tone beams in the resonance box, and the three transverse tone beams are correspondingly arranged at the positions of the three horizontal grooves of the "feng" character-shaped groove. This solution breaks the shackles of the traditional design of the internal structure of the resonance box of the se in the past, boldly proposes a new improved design solution, and solves the problem that the high pitch area is thin and the low pitch area is hollow when playing the se in the past.

A double-tone-beam five-stringed zither, comprising a resonance box, the box body of which is assembled by a panel, a bottom plate and side plates, and is characterized in that: two upper tone beams are fixedly arranged in parallel on the inner wall of the panel; two first lower tone beams are fixedly arranged in parallel on the inner wall of the front half of the bottom plate; two second lower tone beams are fixedly arranged in parallel on the inner wall of the rear half of the bottom plate; an upper "丰" (Feng) character-shaped groove is formed on the inner wall of the panel to form an upper "丰" character-shaped sound tunnel; a lower "十" (Shi) character-shaped groove is formed on the inner wall of the front half of the bottom plate to form a front half "十" character-shaped sound tunnel; a lower "十" (Shi) character-shaped groove is formed on the inner wall of the rear half of the bottom plate to form a rear half "十" character-shaped sound tunnel; a transverse tone beam is arranged horizontally in the resonance cavity, and the transverse tone beam is arranged at the positions of the left half and the right half of the groove body of the "丰" character-shaped groove. This solution solves the problems that in the past, when playing the five-stringed zither, the high-pitched area could not be made bright, the low-pitched area was not thick and mellow enough, and the penetrating power of the sound was not strong enough.

The utility model discloses a whistle. The whistle comprises a whistle body, the front end of the whistle body is provided with a sound outlet, the inner side of the sound outlet is provided with a second air hole, the other inner side of the sound outlet is provided with a first air hole, the first air hole is located in the axial orthographic projection area of the second air hole, and one end of the whistle body is provided with a mouthpiece communicated with the first air hole; a hollow part is arranged at the rear end of the whistle body, the whistle further comprises a sealing cover, the sealing cover covers the hollow part, and a resonant cavity is formed between the sealing cover and the hollow part; the mouthpiece, the first air hole, the second air hole, the resonant cavity and the sound outlet form an airflow channel; according to the utility model, the sealing cover and the whistle body can be manufactured and installed independently, and a user can flexibly adjust the shape and the space size of the resonant cavity according to actual requirements by replacing sealing covers with different shapes or sizes, so that the volume and the tone of sound are optimized; by means of the design, the problem that in the prior art, acoustic performance cannot be adjusted due to the fact that the resonant cavity is fixed is solved.

A double-tone-beam zheng, comprising a resonance box, the box body of which is assembled by a panel, a bottom board and side boards, and is characterized in that: two upper tone beams are fixedly arranged in parallel on the inner wall of the panel; two lower tone beams are fixedly arranged in parallel on the inner wall of the bottom board; an upper "feng" character-shaped groove is formed on the inner wall of the panel to form an upper "feng" character-shaped sound tunnel; a lower "feng" character-shaped groove is formed on the inner wall of the bottom board to form a lower "feng" character-shaped sound tunnel; six transverse tone beams are fixedly arranged between the panel and the bottom board, three of which are arranged at the left half groove positions of the "feng" character-shaped groove, and three of which are arranged at the right half groove positions of the "feng" character-shaped groove. This solution breaks the bondage of the traditional design of the internal structure of the zheng resonance box in the past, boldly proposes a new improved design solution, and solves the problems that the high pitch area is not bright enough and the low pitch area is not thick and mellow enough when playing the zheng in the past.

This utility model discloses an integrally molded oboe reed, which is made of plastic and includes a cylindrical segment, a rotating segment, and a reed segment arranged sequentially along a first direction. The cylindrical segment and the rotating segment are coaxially arranged, and the reed segment is fishtail-shaped. The outer peripheral wall of the reed segment extends from the end periphery of the outer peripheral wall of the rotating segment. The oboe reed has a through hole extending through the first direction. The through hole includes a gradually decreasing hole segment at one location corresponding to the gradually decreasing hole diameter from the cylindrical segment to the rotating segment, and a fishtail-shaped hole segment at one location corresponding to the reed segment. The fishtail-shaped hole segment extends from the end periphery of the gradually decreasing hole segment. The reed segment has a slit recessed at its end face that extends through the inside and outside of the fishtail-shaped hole segment. It has the following advantages: easy to manufacture, reducing costs; the plastic itself has a certain elasticity, and the slit enhances elasticity and allows vibration to be generated; unlike traditional reed reeds, it does not require soaking in water before use, making it convenient to use; and it has a good tone.

A double-beam pipa includes a resonance box, the box body of which is composed of a panel and a bottom plate, and is characterized in that: two upper beams are fixedly arranged in parallel on the inner wall of the panel; a transverse groove and a longitudinal groove are provided on the inner wall of the panel, and the transverse groove and the longitudinal groove are mutually connected to form a transverse sound tunnel and a longitudinal sound tunnel; a transverse beam is fixedly arranged between the panel and the bottom plate, and the transverse beam and the two upper beams are combined to divide the space corresponding to the inner wall of the panel into six resonance areas. This scheme breaks the constraints of the traditional design of the internal structure of the pipa resonance box in the past, boldly proposes a new improved design scheme, solves the problem that the pipa in the past could not take into account the high, middle and low pitch areas and have good resonance timbre and penetration at the same time, and greatly enhances the penetration of the pipa sound (small attenuation, far transmission), the high pitch area is bright and rigid, the middle pitch area is soft and mellow, and the bass area has a more mellow sound quality.

The present invention aims to provide a polycarbonate resin and a manufacturing method for a polycarbonate resin molded product, the polycarbonate resin being excellent in light resistance, transparency, color tone, heat resistance, thermal stability, and mechanical strength. The polycarbonate resin of the present invention contains at least a structural unit derived from a dihydroxy compound having a moiety represented by the following general formula (1) as a partial structure, wherein a case where the moiety represented by the general formula (1) is -CH2-O-H is excluded.

The invention relates to the field of oral care products, and particularly discloses a preparation method of whitening and antiallergic toothpaste which comprises the following raw materials: deionized water, an abrasive, a traditional Chinese medicine extract, sodium phytate, a microcapsule desensitizer, torreya grandis seed oil, sorbitol, cocamidopropyl betaine, xanthan gum and sodium carboxymethyl cellulose. The preparation method comprises the following steps: mixing the xanthan gum, the sodium carboxymethyl cellulose, the sorbitol and the deionized water, stirring and dispersing, then adding the abrasive, the sodium phytate and the cocamidopropyl betaine, stirring and dispersing in vacuum, finally adding the traditional Chinese medicine extract, the microcapsule desensitizer and the torreya grandis seed oil, continuously stirring and dispersing, and vacuumizing, discharging and filling in a vacuum state. The whitening and antiallergic toothpaste is obtained. The whitening anti-allergic toothpaste prepared by the invention is proper in friction value, excellent in tooth stain and dental plaque removal effect, remarkable in tooth whitening effect, capable of solving the problem of dentin hypersensitivity in multiple aspects and remarkable in anti-allergic effect.

The invention provides a polyacetal resin composition, a metal resin composition, and a method for producing the polyacetal resin composition. Provided is a polyacetal resin composition containing 100 parts by weight of a polyacetal resin (A) and 0.1-0.9 part by weight of a fatty acid metal salt (B) having a weight loss ratio of 20% by weight or more, the weight loss ratio being a weight loss ratio when the temperature is raised from normal temperature to 200 DEG C at 200 DEG C / min in atmospheric air and held at 200 DEG C for 60 minutes.

A full-band silicon microphone with a sound beam and a sound tunnel comprises a sensor, a sound cavity and a circuit board; the sensor comprises a diaphragm and a silicon back plate; a sound beam assembly is provided on the diaphragm, comprising a plurality of arc-shaped sound beam components, each arc-shaped sound beam component is arranged in a ring shape, and a gap is formed between two adjacent arc-shaped sound beam components; the diaphragm is also formed with an annular area and at least two radiating grooves on the surface provided with the sound beam assembly; each radiating groove is evenly arranged in a radial shape, and the diaphragm surface located outside the sound beam assembly is divided into a plurality of resonance areas; the radiating grooves are aligned with the gap between the two arc-shaped sound beam components, and the inner ends of each radiating groove are connected to the annular area; the radiating grooves are concavely arranged on the surface of the diaphragm to form a sound tunnel. The present invention changes the diaphragm from the previous free vibration mode to the current standard vibration mode, solves the problem that the silicon microphone cannot effectively resonate the full-band sound details from the perspective of vibration and resonance, and constitutes the silicon microphone to effectively resonate in the full-band to achieve a high-fidelity effect.

A double-sound-beam Japanese zither, comprising a resonance box, the box body of which is assembled by a panel, a bottom plate and side plates, and a resonance cavity is arranged inside the box body. It is characterized in that: two upper sound beams are fixedly arranged in parallel on the inner wall of the panel; two lower sound beams are fixedly arranged in parallel on the inner wall of the bottom plate; an upper "Feng" character-shaped groove is formed on the inner wall of the panel to form an upper "Feng" character-shaped sound tunnel; a lower "Feng" character-shaped groove is formed on the inner wall of the bottom plate to form a lower "Feng" character-shaped sound tunnel; a transverse sound beam is arranged horizontally in the resonance cavity, and the transverse sound beam is arranged at the positions of the left half and the right half of the groove body of the "Feng" character-shaped groove. This solution breaks the shackles of the traditional design of the internal structure of the resonance box of the previous Japanese zither, boldly proposes a new improved design solution, and solves the problems that the high-pitched area cannot be brightened, the low-pitched area is not thick and mellow enough, and the penetration of the sound is not strong enough when playing the previous Japanese zither.