34results about How to "Soft voice" patented technology

There is provided a golf club head that produces a loud hitting sound satisfying the golfer even if the volume of the golf club head having a hollow structure is increased to at least about 400 cc. A golf club head 1 having a hollow structure comprises a face part 2, a side part 3 comprising a back side, a sole part 4, a crown part 5, and a hosel part 9 having a shaft insertion hole, and the crown part 5. The crown part comprises a thick region 6 and a thin region 8. The thick region 6 extends through a distance WA of at least about 20 mm from the center axis line C of the shaft insertion hole toward the highest point T of the crown part 5 and extends through a distance WB of at least about 30 mm from the center axis line C of the shaft insertion hole toward the back side so that the crown part 5 has the first-order natural frequency of at least about 3000 Hz.

A video communication device includes a video communication device body; a camera fitted to the video communication device body to record images of an object; at least one detection unit fitted to the video communication device body to detect the object according to a predetermined condition; and a camera rotation angle adjuster fitted to the video communication device body to adjust a rotation angle of the camera according to detection data from the detection unit so that the camera automatically tracks a position of the object when the object moves. The moving object can be located through a detection unit, such as a voice sensor, a codec, a color sensor and an IR sensor, and be automatically tracked by suitable adjustment of the rotation angle of a camera. A wide angular field is ensured and video telephony quality is improved.

Disclosed in the invention is a loudspeaker of a headset. The loudspeaker comprises a support frame, a magnetic circuit system, and a vibrating system, wherein the magnetic circuit system and the vibrating system are accommodated into the support frame. The magnetic circuit system is a ring-shaped magnetic circuit formed by a T iron, an annular magnet and an annular washer; and the annular washer and the T iron form an annular magnetic circuit gap. The vibrating system consists of a vibration membrane, a voice coil, and a gasket; the voice coil is attached to the vibration membrane and is suspended in the annular magnetic circuit gap; and the gasket is arranged on the upper end surface of the T iron. The vibration membrane is arranged above the magnetic circuit system and the edge of the vibration membrane is fixed on the support; and the middle part of the vibration membrane is fixed on the gasket. According to the technical scheme, because the e middle part of the vibration membrane is fixed on the gasket above the T iron, the strength of the root part of the vibration membrane is enhanced, so that the upper limit of the high-frequency replaying and the width of the relaying frequency band of the loudspeaker of the headset are improved and distortion caused by segmentation vibration is reduced.

The invention relates to an earphone, which comprises a housing and a horn built in the rear of the housing. The inner cavity of the housing at the front of the horn forms a front cavity, and a first partition is arranged in the front cavity. There are three sound holes and each sound hole is covered with a diaphragm, and the diaphragm on at least one sound hole is a half-diaphragm with a gap; the front cavity is also provided with a second partition near the sound outlet end. The spacer ring is provided with a plurality of through holes on the position close to the peripheral edge of the second partition; the peripheral edge of the second partition front side is provided with an annular retaining edge, and the inner ring wall of the annular retaining edge is fixed at intervals with A plurality of unit partitions, each unit partition divides the space between the second partition and the front end wall of the front cavity into a plurality of unit cavities located in the periphery and a central cavity located in the center and communicated with each unit cavity, the front cavity A sound outlet communicating with the above-mentioned central cavity is opened on the front end wall. The invention has simple structure and delicate design, can produce ideal sound effects and can reduce damage to human ears.

The invention relates to a loudspeaker and belongs to the technical field of loudspeakers. Including a mesh cover, a bracket and a U cup, the mesh cover and the bracket are matched and connected to each other to form a whole, the U cup is clamped at the bottom of the bracket, a sound membrane is installed in the mesh cover, and the bottom surface of the sound membrane is provided with A rectangular piezoelectric ceramic sheet, the bottom of the piezoelectric ceramic sheet is cemented with a grooved voice coil that runs through up and down, and a rectangular U-cup mounting port is also opened on the bottom surface of the bracket, and the U-cup mounting port is snap-fitted and installed. U cup, the top surface of the U cup is also provided with a magnetic slot for installing the washer, the top surface of the washer is provided with a secondary magnetic slot, and a secondary magnet is glued and installed inside the secondary magnetic slot. There is also a main magnet glued to the bottom surface of the company, and the bottom surface of the main magnet is glued in the magnetic groove of the U cup. The loudspeaker of the invention solves the problem of difficult assembly of the loudspeaker, simultaneously solves the technical problems of magnetic flux leakage and nonlinear distortion, and has low production cost, high production efficiency, high finished product qualification rate and excellent acoustic performance.

The invention discloses an intelligent anchor music program system of a radio station, which comprises an input unit, an analysis unit, a sound cutting unit, a host word synthesis unit, an host word broadcast unit, a host word start unit, a music playing unit, a timing unit, a judging unit, Switching unit and database, the intelligent anchor music program system of this radio station divides the massive sound program material of the anchor by collecting professional anchor voices, then reorganizes and recreates, and finally becomes an AI anchor. According to the needs of the program, the AI ​​anchor can use tens of thousands of There is no way to introduce a song, and it will not be repeated. The voice of the host can perfectly connect the songs before and after the broadcast period through voice splicing technology, and finally form a professional music program, replacing the real host, and meeting the needs of the radio station for excellent hosts. At the same time, it also provides multiple options for attracting listeners during the period when the station is purely playing music.

A microwave heating exhaust packaging bag, the bag body includes a base material and a polyolefin material with cohesive peeling effect, the polyolefin material with cohesive peeling effect includes a corona layer, a core layer and a heat sealing layer. The heat seal layer is made of 85% polypropylene, 10% polyethylene and 5% vinyl elastomer in mass percent. The microwave heating exhaust packaging bag of the present invention has soft sound when the steam bursts the exhaust port, and has a good consumption experience. 60N, after sterilization at a high temperature of 135°C, the bag will not break; the sealing strength of the exhaust port is different, the exhaust time is controllable, the water is 180g, the same weight of water, 40-60s under the same microwave power conditions; the microwave heating exhaust of the present invention The air packaging bag also has high barrier properties. Combined with alumina films of different barrier grades, the maximum oxygen transmission and water vapor transmission can be within 0.5.

Disclosed is an apparatus for extending a bandwidth of a sound signal. The apparatus includes a database that stores predetermined training information as a result of at least one of Gaussian mixture model (GMM) training and hidden Markov model (HMM) training; a modified discrete cosine transform (MDCT) transformer that transforms a first band signal through MDCT, a feature extractor that extracts a feature parameter of the first band signal from an MDCT coefficient output from the MDCT transformer; an extender that provides an extended MDCT coefficient for a second band signal based on the MDCT coefficient of the first band signal output from the MDCT transformer, a subband energy estimator that estimates subband energy of the second band signal with reference to information stored in the database based on the feature parameter.

The invention discloses an automobile instrument shell and a backlight module. The backlight module comprises an anti-surge circuit, a buzzer drive circuit, a comprehensive data display circuit, a backlight adjustable circuit, an expansion indication lamp drive circuit, an anti-static device and a CPU. The output end of the anti-surge circuit is connected with the power input end of the CPU, the power input end of the buzzer drive circuit, the power input end of the comprehensive data display circuit, the power input end of the backlight adjustable circuit and the power input end of the expansion indication lamp drive circuit. The signal output end of the comprehensive data display circuit is connected with the signal input end of the backlight adjustable circuit, the buzzer signal output end of the comprehensive data display circuit is connected with the signal input end of the buzzer drive circuit, the indication lamp signal output end of the comprehensive data display circuit is connected with the signal input end of the expansion indication lamp drive circuit, and the signal output end of the expansion indication lamp drive circuit is connected with the signal input end of the backlight adjustable circuit.

Disclosed is a music bell vibrating plate machining technology and a special tool. The music bell vibrating plate machining technology comprises the following steps that traditional polyester grinding wheel cutting machining is replaced with special tool combined milling cutters, firstly, cutting machining is conducted on a vibrating plate blank, then heat treatment is conducted on the vibrating plate blank, traditional machining procedures of a vibrating plate is changed radically, and the difficult problem that after plate cutting, the heat treatment is conducted, and all voice keys are easy to deform in the heat treatment process is solved. According to the music bell vibrating plate machining technology, by adopting a technology method that the double-plate integrated vibrating plate blank is punched by a punching machine and machined, cutting machining is conducted on the double-plate integrated vibrating plate blank by adopting the combined milling cutters, all the voice keys and chamfering areas are machined, it is ensured that the width of a cutting seam is 0.25 millimeter, the precision of the center distances of all the voice keys reaches 0.9+-0.005 millimeter, the rigidity of the vibrating plate is always kept 54+-1 degrees, each set of combined milling cutter can machine and produce 2-3 ten thousand vibrating plates, frequent replacement of tools is reduced, the work efficiency is improved, the precision of products and the stability of quality are ensured, voice of the vibrating plate is soft, pleasant to the ear and standard, and the quality and productivity of music bells are improved greatly.

Disclosed is a music bell vibrating plate machining technology and a special tool. The music bell vibrating plate machining technology comprises the following steps that traditional polyester grinding wheel cutting machining is replaced with special tool combined milling cutters, firstly, cutting machining is conducted on a vibrating plate blank, then heat treatment is conducted on the vibrating plate blank, traditional machining procedures of a vibrating plate is changed radically, and the difficult problem that after plate cutting, the heat treatment is conducted, and all voice keys are easy to deform in the heat treatment process is solved. According to the music bell vibrating plate machining technology, by adopting a technology method that the double-plate integrated vibrating plate blank is punched by a punching machine and machined, cutting machining is conducted on the double-plate integrated vibrating plate blank by adopting the combined milling cutters, all the voice keys and chamfering areas are machined, it is ensured that the width of a cutting seam is 0.25 millimeter, the precision of the center distances of all the voice keys reaches 0.9+-0.005 millimeter, the rigidity of the vibrating plate is always kept 54+-1 degrees, each set of combined milling cutter can machine and produce 2-3 ten thousand vibrating plates, frequent replacement of tools is reduced, the work efficiency is improved, the precision of products and the stability of quality are ensured, voice of the vibrating plate is soft, pleasant to the ear and standard, and the quality and productivity of music bells are improved greatly.

The invention discloses a desk lamp with function of sound equipment. The desk lamp comprises a lampshade, a light guide plate in the lampshade, a support and a film loudspeaker. The film loudspeaker is attached to the outer side of the desk lamp, and comprises at least one sounding film, at least one conductive film, at least one insulation layer and at least two conductive terminals, wherein the conductive film coats the sounding film and is made of a nanometer metal line material, the insulation layer is attached to the conductive film, the insulation layer and / or a sound quality improving layer comprise(s) multiple groups of fine processing structures, and the conductive terminals are attached to the conductive film and connected with a loudspeaker drive circuit. The film loudspeaker can be pasted to the external surface, which can be seen, of the desk lamp, or pasted to the internal, which cannot be seen, of the desk lamp, or embedded or placed in the desk lamp; and the practicality of the desk lamp is improved, and the desk lamp is more intelligent.

The invention discloses a bamboo erhu. The bamboo erhu comprises a canister, a slim neck, a collect, erhu skin, an erhu shaft, a headstock, a string and a jack thread, wherein the right end of the canister is covered by the erhu skin, the left end of the canister is provided with an opening, the slim neck is arranged at the right end of the canister, a tubular resonance tube is horizontally arranged in the canister, a gap is formed between the periphery of the resonance tube and the inner wall of the canister, the positions, corresponding to the slim neck, of the upper and lower walls of the resonance tube are provided with holes, the slim neck runs through the holes in the upper and lower walls of the resonance tube, the slim neck tightly cooperates with the resonance tube, the left end of the resonance tube is closed, the right end of the resonance tube is provided with an opening, the upper and lower walls of the left end of the resonance tube are provided with amplification holes,the amplification holes in the upper and lower walls are opposite, the amplification holes are of long-strip shapes and arranged in the length direction of the resonance tube, and the erhu is made from bamboo. The bamboo erhu has very soft and smooth, strong resonance, sonorous sound and a good spreading effect.

The invention discloses a method for preparing a biological vibrating diaphragm of an earphone through bladder glue, belongs to the technical field of earphone diaphragms, and can solve a problem thatconventional earphone diaphragm is liable to cause the distortion, is poor in detail resolution of sound, the types of the earphone vibrating diaphragms made of biological materials are limited and the price is high. The method comprises the five steps: glue preparing, glue hitting, glue liquid extraction, concentration and diaphragm forming. The method is simple in technology, and is low in cost.

The invention discloses a sound prompt and alarm system based on a car audio system. A car reversing radar sends a detection signal to a car meter, and the meter sends an alarm signal to the sound through CAN, and the sound uses a loudspeaker to give an alarm. Under the premise of not changing the current electronic structure and increasing the cost, the present invention uses the in-vehicle entertainment system to alarm related sounds, and the in-vehicle audio system has better speaker effects and DSP sound effect processing software with a larger adjustable range. To remind the driver at the same time, make the sound softer, sweeter and more pleasing to the ear. Different alarm functions are alarmed by speakers in different positions. Users can easily determine which functional module has a problem and is sending out a warning / prompt sound. At the same time, it can reduce the probability of accidents caused by frequent lowering of the driver's head.

The invention relates to the technical field of loudspeakers, in particular to a moving-coil piezoelectric composite loudspeaker. The moving coil piezoelectric composite speaker includes a housing and a support plate, the housing is provided with a sound outlet, the support plate is arranged inside the housing, and the support plate separates the housing into dynamic A coil cavity and a piezoelectric cavity, the moving coil cavity communicates with the sound outlet; a moving coil unit is arranged inside the moving coil cavity, and a piezoelectric For the vibrator, the support plate is provided with a sound guide hole, and the piezoelectric cavity communicates with the moving coil cavity through the sound guide hole. In the present invention, the piezoelectric vibrator is added to the original dynamic speaker, and the piezoelectric vibrator is used to compensate the sound effect and sound quality of the dynamic speaker at high frequencies, so that the dynamic unit and the piezoelectric vibrator vibrate and sound at the same time. Resonance is formed to widen the frequency response range and improve the user's listening experience.