65results about How to "Improve sound" patented technology

The invention discloses a vehicle-mounted sound effect automatic adjustment method, device and equipment and a readable storage medium, and relates to the technical field of sound field adjustment, and the vehicle-mounted sound effect automatic adjustment method comprises the steps: obtaining audio parameter information which is pre-calibrated based on an optimal sound effect at a preset riding position in a vehicle; detecting an actual riding position of a passenger in the vehicle, and determining a sound effect parameter loss value according to the actual riding position and a preset riding position; determining an audio parameter compensation value according to the sound effect parameter loss value, and performing compensation adjustment on the audio parameter information according to the audio parameter compensation value to obtain a target audio parameter; and controlling the vehicle-mounted sound equipment to play according to the target audio parameter. According to the method and the device, the vehicle-mounted sound system can be automatically and adaptively adjusted, so that passengers can enjoy the adjusted sound field and sound effect in a riding scene every time.

The invention discloses a vehicle-mounted sound effect automatic adjustment method, device and equipment and a readable storage medium, and relates to the technical field of sound field adjustment, and the vehicle-mounted sound effect automatic adjustment method comprises the steps: dynamically obtaining a user ear position of a passenger in a vehicle, and determining a target position distance between the user ear position and a vehicle-mounted sound system; inputting the target position distance into a convergent sound effect configuration neural network model, and outputting a target audio parameter gain value corresponding to the target position distance; obtaining an initial audio parameter of the current to-be-played audio, and performing compensation adjustment on the initial audio parameter according to the target audio parameter gain value to obtain a target audio parameter; and dynamically controlling the vehicle-mounted sound equipment to play according to the target audio parameters. According to the method and the device, the vehicle-mounted sound system can be automatically and adaptively adjusted, so that passengers can enjoy the adjusted sound field and sound effect in each riding scene.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a vibration system of the sound production device comprises a vibrating diaphragm and a voice coil, and a central magnetic part of a magnetic circuit system comprises a middle magnetic assembly and side magnetic assemblies arranged around the middle magnetic assembly. The middle magnetic assembly comprises a first center magnet, a center magnetic conductive plate and a second center magnet which are stacked on the magnetic conductive yoke, the first center magnet and the second center magnet are magnetized in the vibration direction of the vibration system, and the magnetizing direction of the first center magnet is opposite to the magnetizing direction of the second center magnet; wherein one side, facing the central magnetic conductive plate, of the first central magnet and / or the second central magnet is convexly provided with a convex part, the central magnetic conductive plate is provided with a concave part corresponding to the convex part, and the convex part is accommodated and limited in the concave part. According to the sound production device, the central magnetic part of the magnetic circuit system is optimized, so that the magnetic induction lines are effectively gathered in the magnetic gap, the BL value is increased, the sensitivity of the sound production device is improved, and the sound effect of the whole machine is improved.

The invention discloses a yarn tensioning device for yarn spinning and an adjusting method, and relates to the technical field of spinning machines. A guide assembly is installed on one side of the top end of the base, the guide assembly comprises a limiting block, and a guide ring is arranged on one side of the limiting block; wherein a moving assembly is arranged on one side of the guide assembly, the moving assembly comprises a pressing plate, the end, away from the positioning block, of the pressing plate is fixedly connected with a connecting base, and a reset spring is arranged in the middle of one end of the connecting base; wherein a tensioning assembly is installed on one side of the moving assembly and comprises a sliding rotating rod, a buffer spring is arranged in the middle of one end of the sliding rotating rod, and a tensioning wheel is rotationally connected to the top of the end, away from the fixed shaft, of the fixed rotating rod. The yarn tension degree can be rapidly adjusted, and when the tension of the yarn is too large, the situation that the yarn is broken is reduced.

The utility model relates to a dust explosion demonstration device, which realizes the effect of vividly demonstrating the dust explosion process through the ingenious combination of a power supply module, a high-voltage generation module, an electric arc generation head, an explosion chamber and a powder bin. The whole structure is compact, operation is easy and convenient, the positions of all modules are effectively fixed through the arrangement of the arch-shaped frame and the bottom plate, and stable supporting is provided. The air channel and the air outlet are arranged in the arch-shaped frame, and the air source is combined, so that flammable dust in the powder bin is blown away, and the dust diffusion condition in an actual production place is simulated. The explosion chamber comprises a cylindrical base and a transparent tank body, and the special design enables the explosion demonstration effect to be more vivid, for example, the height of the cylindrical base is increased. A pressure relief channel and a pressure relief valve in the top plate are arranged to effectively prevent dust backflow caused by air pressure rise, so that the reliability of the experimental device is guaranteed. The whole design is innovative and ingenious, the device is suitable for teaching demonstration and other scenes, and real simulation of the dust explosion phenomenon is presented for students.

The invention relates to a sound box, which comprises a sound box shell, a high-frequency loudspeaker and at least one low-frequency loudspeaker, and is characterized in that the high-frequency loudspeaker is arranged in the sound box shell; the low-frequency horns are also arranged in the sound box shell, and the low-frequency horns are arranged around the high-frequency horn by taking the high-frequency horn as a center; wherein the sound emitting surfaces of the high-frequency loudspeaker and the low-frequency loudspeakers face the same direction, and sound in the high-frequency loudspeaker and the low-frequency loudspeakers is led out from different side surfaces of the sound box shell. The plurality of low-frequency horns are arranged around the high-frequency horns, and the directions of the sound emitting surfaces of the high-frequency horns and the low-frequency horns are the same, so that a point sound source is formed to increase the radiation area of the sound box. Through the arrangement, high-frequency sound and low-frequency sound are emitted from different directions, the low-frequency sound and the high-frequency sound are made together after frequency division processing, a point sound source is formed to increase the sound coverage angle, and the problem that in the prior art, the sound coverage space of a sound box is small is effectively solved; meanwhile, the high-frequency sound and the low-frequency sound can be spread separately and are prevented from being generated.

The utility model discloses a sounding unit, a sounding assembly and an eyeshade. The sound production unit comprises a shell and a loudspeaker, and the shell comprises an accommodating cavity used for accommodating the loudspeaker; the sound guide cavity is communicated with the accommodating cavity, and the sound production direction of the loudspeaker faces the sound guide cavity; and the sound outlet is communicated with the sound guide cavity. In the sound production unit, a sound guide cavity communicated with an accommodating cavity can be used for transmitting sound produced by a loudspeaker; and the sound emitted by the loudspeaker can be reflected in the sound guide cavity, so that the sound is reverberated, the sound is more vigorous, and the sound quality is further improved. According to the sound production unit, the sound outlet is communicated with the sound guide cavity, so that sound reflected in the sound guide cavity can be concentrated and guided out through the sound outlet, the sound can be more concentrated and has higher directivity, and the sound production unit has a better sound effect in a sound transmission angle range of the sound production unit.

A long sound box structure comprises a shell, a panel, a sound box structure, a power supply structure and a control structure, the shell is integrally formed, and a mounting groove and a sound box opening are formed in the shell; the power supply structure and the control structure are mounted in the mounting groove, and a cover plate is arranged at the mounting groove; the sound box structure is arranged at the sound box opening; a water fetching structure is arranged at the end part of the shell; the sound box structure, the water fetching structure, the cover plate and the shell form a sound box cavity, the panel is fixed on the shell, and a sound outlet hole is formed in the panel; the power supply structure is electrically connected with the control structure, and the control structure is electrically connected with the loudspeaker box structure and the water fetching structure; a water fetching structure is added, liquid in the water fetching structure rotates in the playing process, and the attractive effect is improved; a specific water fetching structure is provided, so that the connection is more stable; the utility model further provides an echo wall structure convenient to install, the sealing effect is good, and the sound effect is improved.

The present invention discloses a sound-generating device and an electronic device, and relates to the technical field of electroacoustic transducer. The sound-generating device comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises a magnetic yoke and a central magnetic part and a side magnetic part arranged on the magnetic yoke. The side magnetic part is located outside the central magnetic part and is spaced from the central magnetic part to form a magnetic gap. The central magnetic part comprises a first magnetic group, a second magnetic group and a third magnetic group arranged in layers. The first magnetic group is connected to the magnetic yoke. The vibration system comprises a diaphragm and a voice coil connected to the diaphragm. The voice coil is arranged corresponding to the magnetic gap. The first magnetic group and the third magnetic group are magnetized along a vibration direction perpendicular to the vibration system, and the second magnetic group is magnetized along the vibration direction of the vibration system, so that the central magnetic part forms a Halbach magnetic circuit. The sound-generating device of the present invention increases the BL value by optimizing the central magnetic part of the magnetic circuit system, effectively improves the flatness of the BL curve, significantly improves the FR frequency response curve, and effectively reduces the harmonic distortion THD, thereby improving the sound quality and performance of the whole machine.

The utility model relates to the technical field of projection equipment, in particular to a projector. According to the projector, the projector at least comprises the host, the seat body and the support, and the seat body is configured to be at least composed of the loudspeaker box, so that the host and the loudspeaker box are two independent components. Therefore, on one hand, the design of the sound box is more flexible, and the sound effect of the sound box is improved; and on the other hand, the sound box does not need to be considered when the components in the host are arranged, so that the stacking of the components in the host has more flexibility and space, the volume of the host can be reduced, and the arrangement of the components in the host is also facilitated. In addition, the main machine and the base body are connected through the support, assembling is convenient, and the design flexibility of the main machine and the base body can be improved. Therefore, the projector provided by the embodiment of the utility model not only facilitates the design of the sound box and the improvement of the sound effect of the projector, but also facilitates the reduction of the size of the host of the projector and the improvement of the arrangement convenience of all parts in the host.

The utility model belongs to the technical field of musical instruments, and particularly relates to a guitar box and a digital guitar. The guitar box comprises a box body, a partition plate and a loudspeaker assembly, the box body comprises a front plate, a side plate and a rear plate, and the front plate, the side plate and the rear plate jointly define an accommodating space; the partition plate is vertically arranged on the front plate, the two ends of the partition plate are connected with the side plates, the partition plate divides the containing space into a first containing space and a second containing space, and the partition plate, the front plate, the side plates and the rear plate are connected in a sealed mode; the loudspeaker assembly comprises a tweeter, an alto loudspeaker and a bass loudspeaker, the tweeter and the alto loudspeaker are arranged in the second containing space through independent loudspeaker boxes respectively, the bass loudspeaker is arranged in the second containing space, and the second containing space serves as a bass loudspeaker box of the bass loudspeaker. The tweeter and the alto horn are provided with independent sound boxes, and the second accommodating space is used as the sound box of the woofer, so that the space and the weight of the guitar box are saved, the sound box space is large enough to ensure the bass sound effect, and the design and the sound quality of the guitar box of the digital guitar are optimized.

This utility model discloses a dual-function over-ear headphone, relating to the field of headphones. It includes a headband, with an earphone body connected to the bottom of the headband. A sponge pad is connected to the side of the earphone body, and a microphone is installed on the side of the earphone body away from the sponge pad. A mounting groove is formed on the side of the mounting groove, and a miniature air pump is installed inside the mounting groove. The output end of the miniature air pump is connected to a connecting pipe, which passes through and connects to the side of the airbag ring. A compression ball slides inside the telescopic groove. In this dual-function over-ear headphone, the airbag ring can expand inside the mounting groove after being supplied with gas. When the airbag ring expands, it can compress the side walls of the waterproof membrane and waterproof mesh fabric, improving the sealing effect of the earphone body. When the sponge pad is pulled, it can cause the sliding block to slide out of the L-shaped groove, and at the same time, the fixing block will also slide out of the surface of the fixing ring, allowing the sponge pad and the earphone body to be separated and disassembled, improving the convenience of using the headphones.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a magnetic circuit system of the sound production device comprises a magnetic conductive yoke, a central magnetic part and an edge magnetic part, the central magnetic part comprises a first magnetic group, a second magnetic group, a third magnetic group and a fourth magnetic group, the second magnetic group comprises an inner magnetic group and an outer magnetic group which are flatly laid between the first magnetic group and the third magnetic group, the outer magnetic group is arranged around the inner magnetic group, and the vibration system comprises a vibrating diaphragm and a voice coil; wherein the first magnetic group, the outer magnetic group and the fourth magnetic group are magnetized in the vibration direction of the vibration system, the inner magnetic group and the third magnetic group are magnetized in the direction perpendicular to the vibration direction of the vibration system, and the center magnetic part is provided with a weight reduction space. According to the sound production device, the central magnetic part of the magnetic circuit system is optimized, so that the magnetic induction lines are effectively gathered in the magnetic gap, the BL value is increased, the sensitivity of the sound production device is improved, the sound effect of the whole machine is improved, and the weight of the whole machine is reduced while the magnetic field intensity is not lost.

The utility model discloses a mouse button pre -press structure, including mouse main part, button subassembly, micro -switch and plastic framework, and the button column is established between the button subassembly bottom abutment structure and micro -switch, the steel wire clamping spring is installed in the inside of the reverse pull arm of plastic framework front end, and the abutment structure is connected with the end of clamping spring, and the silica gel cover of button column is wrapped wear -resisting piece, and the silica gel edge first buffering when contacting micro -switch, and the pre -pressure is exerted to button subassembly through the reverse pull arm of clamping spring, and the balance button tension is made, and the down pressure is consistent with switch feedback force, and when rebounding, the button column is limited to hit the framework, and the hand feeling and noise are improved, and the no -loop fool -proof design of two end hooks vertical intersection is adopted to clamping during assembly, and the installation difficulty is reduced, and the structure is through the pre -pressure spring and silica gel buffer design, and the button hand feeling and assembly efficiency are promoted, and the problem that the existing torsion ring structure buffer is poor and assembly is complicated is solved.

The utility model discloses a vehicle middle sound equipment and a vehicle, the vehicle middle sound equipment comprises a mounting seat, a lifting mechanism and a sounding assembly, the mounting seat is used for being mounted on a center console of the vehicle, the lifting mechanism comprises a lifting seat and a driving assembly, the lifting seat is hinged on the mounting seat, and the sounding assembly is arranged on the lifting seat. The driving assembly is arranged on the mounting base and used for driving the lifting base to be switched between the rising state and the retracting state. The sound production assembly comprises a first loudspeaker and a second loudspeaker which are arranged in the lifting seat, and the first loudspeaker and the second loudspeaker are used for being arranged upwards and facing a cab of the vehicle under the condition that the lifting seat is in a lifting state. The sound waves emitted by the first loudspeaker are transmitted upwards to the inclined front windshield, so that the front windshield reflects the sound waves forwards into the cab, the sound waves emitted by the second loudspeaker are directly transmitted towards the cab, the sound transmission range is wide, the sound wave loss is small, and the sound effect in the vehicle is greatly improved.

The utility model discloses an audio mechanism and intelligent glasses, the audio mechanism comprises a main body and a sounding device, the main body comprises two first side walls which are oppositely arranged and two second side walls which are connected between the two first side walls and are oppositely arranged, and the main body is provided with an accommodating cavity, a sound outlet hole and a sound leakage hole; the sounding device is arranged in the accommodating cavity through a bearing bracket; the sounding device, the bearing bracket, the first side wall and the second side wall are matched together to divide the accommodating cavity into a front cavity and a rear cavity which are independent from each other; wherein the sound outlet hole is configured to enable the front cavity to be communicated with the outside, and the sound leakage hole is configured to enable the rear cavity to be communicated with the outside; compared with the prior art, the scheme has the advantages that the loudspeaker can be prevented from being directly disassembled and assembled when the loudspeaker and the main body are disassembled and assembled, so that the loudspeaker can be prevented from being damaged.

According to the display equipment and the sound effect setting method provided by some embodiments of the invention, the method can respond to the selection instruction of the installation mode, and the target mode indicated by the selection instruction is analyzed. Wherein the selection instruction is generated based on the startup navigation interface or the menu interface. And loading a sound effect file corresponding to the target mode, setting sound parameters of the audio processor according to the sound effect file, and reading equalizer parameters corresponding to the target mode. Wherein the sound effect file comprises sound effect parameters. And writing the equalizer parameter into the power amplifier, so that the audio output device outputs sound corresponding to the audio signal based on the target mode. Wherein the power amplifier is provided with a corresponding dynamic range compression parameter. According to the method, based on the installation mode of the display equipment, different modes are switched to set the sound effect, sound loss of the display equipment caused by different installation modes can be reduced, and then the sound quality effect of sound output by the display equipment is improved.

The utility model discloses novel acoustic equipment which comprises a host body and an installation shell, and the host body is installed in the installation shell. The mounting shell at least comprises an earplug, the earplug comprises an earplug inner surface, an abutting part abutting against an ear on the peripheral side of an ear canal, a plurality of sound outlet holes and a sound outlet nozzle opposite to the ear canal, the abutting part, the sound outlet holes and the sound outlet nozzle are all arranged on the earplug inner surface, and the sound outlet holes are formed in the sound outlet nozzle; the sound outlet nozzle is provided with an outer end face facing the ear canal, the outer end face protrudes out of the abutting part and is obliquely arranged relative to the inner face of the earplug, and the outer end face is a smooth closed curve. According to the novel acoustic equipment, the sound outlet nozzle protrudes out of the abutting part of the earplug and is opposite to the ear canal, the earplug does not need to be inserted into the ear canal, friction force generated between the earplug and the ear canal and blocking of the ear canal are avoided, the wearing comfort can be improved, and meanwhile good sound quality and sound effect are achieved.

The present invention discloses a receiver, comprising a shell having a hollow cavity; a first pronunciation membrane installed on the shell, the first pronunciation membrane divides the hollow cavity into a first cavity and a second cavity; a main vibration component installed in the second cavity, the main vibration component divides the second cavity into a main sound cavity and a mounting cavity; a first sound outlet hole and a second sound outlet hole are respectively provided on the wall surface of the shell corresponding to the main sound cavity and the first cavity; and a driving mechanism is arranged in the second inner cavity. The driving mechanism drives the main vibration component to vibrate, and the vibration drives the first pronunciation membrane to vibrate through the air in the main sound cavity; the sounds generated by the main vibration component and the first pronunciation membrane converge together, and the vibration of the first pronunciation membrane maintains a certain lag compared with the main vibration component, so that the sound generated by the first pronunciation membrane and the sound generated by the main vibration component produce a reverberation effect, thereby improving the low-frequency characteristics of the receiver and increasing the fullness and depth of the sound.

The utility model discloses a horn cavity structure and a hand drawing board, the horn cavity structure comprises a lower cover plate, a horn cavity and a horn monomer, the horn cavity comprises a shell, an accommodating cavity is formed in the shell, the lower end of the shell is provided with a through hole communicated with the accommodating cavity, and the horn monomer is placed in the accommodating cavity through the through hole; the loudspeaker cavity is arranged to form a sound cavity outside the loudspeaker single body, so that the sound effect, the sound quality and the loudness of sound are improved; the lower cover plate is provided with connecting ribs corresponding to the shell, the shell and the connecting ribs are installed on the lower cover plate in a matched mode, a through hole is formed in the lower end of the loudspeaker cavity, the loudspeaker cavity is installed on the lower cover plate in a matched mode through the connecting ribs, the loudspeaker cavity uses the lower cover plate to form a sound cavity surrounding the loudspeaker single body in a matched mode, and the thickness of the loudspeaker cavity can be reduced. The space occupancy rate is low, and the light and thin requirements of the hand drawing board are met.

The present invention belongs to the technical field of speakers, and aims to provide a smart speaker, including a main shell, a microphone structure, two passive radiators and at least two speakers. Among them, the main shell is a columnar structure, the cross section is a shape that gradually decreases from the first side to the second side, and has a transverse cavity; the microphone structure is arranged in an array-type voice recognition structure through at least two microphone monomers arranged on the main shell; the two passive radiators are respectively adapted to be installed on the ends of the main shell to seal the cavity and their vibration plates are arranged in an "eight" shape; one end of the speaker is sealed and installed in the corresponding installation hole, and the other end is accommodated in the cavity, so that the main shell, the dual passive radiators and the multiple speakers together form a closed sound cavity. The smart speaker in the present invention has a simple and compact structure, has a super subwoofer sound effect in a limited sound cavity volume, can clearly pick up the audio signal of the sound source during voice interaction, and has a good user experience.

A dual-drive double-sided sound-emitting loudspeaker, comprising a first vibration system and a first magnetic circuit system assembled into a first sound-emitting body, and a second vibration system and a second magnetic circuit system assembled into a second sound-emitting body; further comprising a common magnetic conductive plate, wherein the first sound-emitting body and the second sound-emitting body are symmetrically arranged with the common magnetic conductive plate as a symmetry plane. Furthermore, the first magnetic circuit system and the second magnetic circuit system are symmetrically arranged relative to the common magnetic conductive plate, the first vibration system is installed on the outside of the first magnetic circuit system, and the second vibration system is installed on the outside of the second magnetic circuit system. The double diaphragms vibrate to emit sound, and the sound pressure of the double diaphragms can be enhanced by guiding the cavity during assembly of the whole machine, thereby improving the sound. It is conducive to the linear design of speaker vibration, and it is easier to design to reduce nonlinear distortion; it is conducive to avoiding the noise caused by polarization anomalies in speaker vibration; it is conducive to avoiding wire break anomalies caused by mechanical fatigue, and improving product yield.

The invention relates to a high-strength polystyrene foam board and a manufacturing method thereof, the high-strength polystyrene foam board comprises a foam main body, and the foam main body is formed by compression molding of foam particles; the fiber yarns are adhered to the foam particles and are used for enhancing the connection among the foam particles; the reinforcing wires are arranged in the foam main body and are used for enhancing the overall strength of the foam main body; the gravel layers are arranged on two sides of the foam main body and are used for enhancing the deformation resistance and wear resistance of the foam main body; by arranging the assembling mechanism and the filling mechanism, foam particles are connected with one another in the forming process of the foam board, and tough gravel layers are also formed on the two sides, so that the technical problems that the foam board is low in strength, prone to deformation, light in weight, drifting away and not easy to clean are solved.

The utility model relates to the technical field of sound equipment, in particular to a directional loudspeaker suitable for outdoor use. A directional loudspeaker suitable for outdoor use comprises an external box body; the sound equipment body is arranged in the external box body; the sound amplification assembly is arranged in the external box body, the sound amplification assembly comprises a circular sound amplification opening, a sound amplification horn and an electric push rod, and the sound amplification opening is formed in one side of the external box body. The beneficial effects of the utility model are that the external box body is arranged outside the sound equipment, the sound equipment and the loudspeaker are arranged in the external box body, a closed environment is provided by the external box body, the sound equipment can be effectively protected from being impacted and damaged by rainwater, the loudspeaker and the sound equipment are coaxially arranged in the external box body, and the loudspeaker is driven by the electric push rod, so that the sound equipment can be effectively protected. The sound amplification horns can extend out of the external box body, directional sound amplification of the internal sound equipment is achieved, sound is concentrated in a specific direction, and therefore the loudness and the sound effect are improved.

The invention discloses a hearing aid system and method capable of automatically adjusting volume according to environment. The method comprises the following steps: collecting environment noise data through at least one microphone of a hearing aid; performing fast Fourier transform (FFT) on the sound feature vector V to calculate a frequency feature F = {f1, f2,..., fm}, and extracting a frequency component and an energy spectrum E = F2 thereof; calculating the total sound pressure level SPL of the environmental noise according to the frequency domain feature F and the energy spectrum E; adaptive compensation is carried out according to the total sound pressure level SPL and a hearing curve C = {c1, c2,..., ck} of a user, and a needed gain G is calculated; and based on the gain G, adjusting the output volume of the hearing aid through a digital signal processor. The method has the following advantages that real-time adaptability is achieved, the comfort level of the user can be improved, the voice recognition capacity is enhanced, and the method adapts to diversified use scenes.

The utility model discloses a sound box with a compact panel, which is characterized in that the sound box comprises a box body, a bass loudspeaker unit, an alto loudspeaker unit, a treble loudspeaker unit and a connecting device, the treble loudspeaker unit and the bass loudspeaker unit are assembled into a treble and bass loudspeaker assembly through the connecting device, and the treble loudspeaker unit and the alto loudspeaker unit are connected through the connecting device. The high pitch loudspeaker unit is located in the connecting device and located in front of the bass loudspeaker unit, bass sound outlet holes are formed in the periphery of the high pitch loudspeaker unit, and the alto loudspeaker unit and the high and bass loudspeaker assembly are installed on a panel of the box body side by side. The problem that a panel of an existing three-frequency-division sound box is not compact enough is solved.

A hearing aid comprising a receiver assembly, the receiver assembly (2) comprising a detachably connected receiver housing (24) adapted to accommodate receivers (4) of different geometry and / or size and / or mechanical dimensions. Alternatively wherein a sound tube (26) protrudes from a suspension member (38) of said receiver assembly (2), wherein the receiver assembly (2) further comprises a casing tube (46) inserted into the sound tube (26) or encasing the sound tube (26), wherein the casing tube (46) is made of a material that is harder than the sound tube (26). A hearing aid comprising a receiver assembly (2), the receiver assembly (2) comprising a detachably connected receiver housing (24) adapted to accommodate receivers (4) of different geometry and / or size and / or mechanical dimensions.

The utility model discloses a miniature loudspeaker, which comprises a frame, a magnetic circuit assembly, a bass vibration assembly and a first treble vibration assembly, the magnetic circuit assembly comprises a lower yoke, a central magnetic structure, a side magnetic structure, an upper yoke and a first treble magnetic structure, and the central magnetic structure comprises a lower central magnetic steel, a central washer and an upper central magnetic steel which are sequentially arranged from bottom to top. The lower center magnetic steel is connected with the lower yoke, the upper center magnetic steel is connected with the upper yoke, the two opposite sides of the center magnetic structure are correspondingly provided with side magnetic structures respectively to form a bass magnetic gap, each side magnetic structure comprises a lower side magnetic steel, a side washer and an upper side magnetic steel which are sequentially arranged from bottom to top, the lower side magnetic steel is connected with the lower yoke, and the upper side magnetic steel is connected with the upper yoke; the upper central magnetic steel is provided with a first installation through hole, and the upper yoke is provided with a first window communicated with the first installation through hole. The miniature loudspeaker is novel in structure, can realize ultra-thinness and treble and bass frequency division, is good in sound effect, and is suitable for electronic equipment with single-side sound production.

The invention discloses a vehicle-mounted audio processing method based on a voice microphone and a handheld microphone and a vehicle. The method comprises the following steps: acquiring a first audio signal acquired by a voice microphone in a vehicle and a second audio signal acquired by a handheld microphone in the vehicle; performing optimization processing and logarithmic compression processing on the first audio signal and the second audio signal to obtain a sound mixing human voice signal; and performing sound mixing processing on the sound mixing human voice signal and the accompaniment audio to obtain and play the to-be-played audio, thereby solving the problem of poor in-vehicle karaoke effect, performing optimization and logarithmic compression processing on the first audio signal and the second audio signal to obtain the sound mixing human voice signal with a better sound effect, and improving the user experience. The audio signals collected by the voice microphone and the handheld microphone are subjected to sound mixing processing, the advantages of the two kinds of audio signals are combined, the signals are subjected to sound mixing processing through logarithmic compression, noise is prevented from being too large, the sound effect quality is improved, and then the user experience is improved.

The miniature loudspeaker comprises a frame, a magnetic circuit assembly, a bass vibration assembly and a treble vibration assembly, the magnetic circuit assembly comprises a lower yoke, a central magnetic structure, a side magnetic structure, an upper yoke and a treble magnetic structure, and the central magnetic structure comprises a lower central magnetic steel, a central washer and an upper central magnetic steel which are sequentially arranged from bottom to top. The lower center magnetic steel is connected with the lower yoke, the upper center magnetic steel is connected with the upper yoke, the two opposite sides of the center magnetic structure are correspondingly provided with side magnetic structures respectively to form a bass magnetic gap, each side magnetic structure comprises a lower side magnetic steel, a side washer and an upper side magnetic steel which are sequentially arranged from bottom to top, the lower side magnetic steel is connected with the lower yoke, and the upper side magnetic steel is connected with the upper yoke; the lower center magnetic steel is provided with an installation through hole, the lower yoke is provided with a window communicated with the installation through hole, the high-pitch magnetic structure is arranged in the installation through hole, and a high-pitch magnetic gap is formed between the high-pitch magnetic structure and the lower center magnetic steel. The miniature loudspeaker is novel in structure, can realize ultra-thinness and treble and bass frequency division, and is good in sound effect.