57results about How to "Guaranteed sound effect" patented technology

The invention provides a loudspeaker. The loudspeaker includes a casing, a magnetic circuit system accommodated in the casing, a diaphragm system and a driving device, and the diaphragm system includes a plurality of diaphragms arranged perpendicular to the moving direction of the driving device and arranged adjacent to the The diaphragm between the diaphragms is used to hinder the air circulation between the adjacent diaphragms, and the partition divides the space between the adjacent diaphragms into two cavities that are not connected to each other. The magnetic circuit system of the loudspeaker generates driving force, which is transmitted to the transmission member through the voice coil, and the transmission member simultaneously drives a plurality of the diaphragms, and the plurality of diaphragms vibrate at the same time, and the vibration phase same. The loudspeaker of the present invention is conducive to improving the sensitivity of the loudspeaker without increasing the size of the diaphragm.

The invention discloses a vibration sounding apparatus which relates to the technical field of electro-acoustic products; the apparatus comprises a housing, a vibration system and a magnetic circuit system. The vibration system and the magnetic circuit system are arranged in the housing. One side face of the housing is provided with a sound releasing hole. The vibration system comprises a vibration film, a voice coil and a voice coil framework to have the vibration film and the voice coil connected. The voice coil is designed with a flat structure; the voice coil plane is perpendicular to the vibration film plane. The magnetic circuit system comprises a magnet; the magnet plane is in parallel with the voice coil plane. The vibration sounding apparatus further comprises a mass block and an elastic support component; the elastic support component makes the mass block and the magnet suspend inside the housing. The elastic support component is designed with a circular structure and the mass block and the magnet are arranged at the inner side of the elastic support component. The two side edges of the elastic support component facing each other are fixedly connected with the magnet and the other two side edges of the elastic support component are fixedly arranged on the housing.

A voice box which can be shot out in vertical type includes a main body of voice box, a motion guiding integrated in one body with the main body and its one side face with locking parts and adjacent side face to it with sliding pin; a motion rail with chassis and spring being set in it, a motion mechanism support being connected in fixture with chassis and its middle part set with support rib which has locking piece at middle part to form locking mechanism together with above-mentioned locking parts. It also includes a housing with its edge being set with sliding guide rod and a pair of ledgeset in opporsite and its end part being set in fixture with pin shaft which is inserted in shaft hole on the side face of motion mechanism frame as well as convex block fabricated on the middle of sliding guide rod with its tail end being prepared to become smooth and round surface.

The invention discloses an audio device and a spatial noise reduction method thereof. The audio device comprises a microphone array and a horn array. The microphone array comprises a plurality of first microphones arranged in different spatial directions. The horn array comprises a plurality of first horns arranged one by one corresponding to the first microphone. The method includes acquiring a first sound signal received by each of the first microphones; the first sound signal includes a user sound signal and a noise sound signal. Controlling a corresponding first horn to play a suppressed sound signal for the noise sound signal according to the preset sound information and each first sound signal; the suppressed sound signal includes an inverse sound wave for suppressing a correspondingnoise sound signal, and the preset sound information includes user sound information acquired in advance. The invention enlarges the suppression range of the spatial noise in the use process, enhances the noise reduction effect, and also ensures that the sound signal of the user is not suppressed, so as to be convenient for the user to use.

The present application provides a mobile terminal and a housing assembly thereof, and the housing assembly includes a middle frame and a sound chamber cover. The middle frame includes a mainboard body and a side plate body, and the mainboard body includes a first surface, a second surface and a plurality of side surfaces, wherein the first and second surfaces are opposite to each other, and the side surfaces are connected with the first surface and the second surface. The first surface is provided with an annular boss, and the annular boss forms a sound chamber region through enclosing, wherein the sound chamber cover abuts against the top surface of the annular boss to form a sound chamber of a loudspeaker together with the middle frame. The top surface of the annular boss is connected with at least one side surface of the mainboard body, and the inclined angle between the side surface and the top surface of the annular boss is an obtuse angle, and the side surface is provided with adovetail-shaped slot. The side plate body is provided with a dovetail-shaped convex portion, and the convex portion cooperates with the dovetail-shaped slot to realize the connection between the mainboard body and the side plate body. The structure of the housing assembly can ensure the flatness of the top surface of the annular boss of the mainboard body, so that the middle frame can abut against the sound chamber cover to form a sealed sound chamber, thereby ensuring the sound effect of the mobile terminal speaker located in the sound chamber.

The invention discloses a vibration sound generating device. A sound outlet hole of the vibration sound generating device is arranged on a sidewall which is perpendicular to the thickness direction. A vibration diaphragm is parallel with a plane on which the sound outlet hole is arranged. A flat voice coil is arranged perpendicularly with the vibration diaphragm. A magnet is arranged in parallel with the voice coil. The vibration direction of the voice coil is different from the thickness direction. The vibration direction of an integrated structure which is composed of the magnet and a mass block is also different from the thickness direction, thereby facilitating small-thickness design of the product. Furthermore, a vibration space can be enlarged and product performance can be improved. The vibration sound generating device has advantages of high thinning degree and high performance.

The invention discloses an external speaker for TV, including the box, front cover of speaker, upper and lower sealed cover and modified covers. The box is produced by extrusion molding method with cylindrical structure, on which, speaker and terminal to realize electrical connection are installed. The inverter pipe is equipped in the box. The sealed covers connect the upper and lower ports of the box cylindrical structure closely. The front cover whole covers the front of box, which has meshes corresponding to the loudspeaker, and the front cover connects the box by fastener method. The box is equipped with connecting frame that is removable with TV.

The invention provides an automobile navigation speech recognition rate automatic test system. The automobile navigation speech recognition rate automatic test system comprises an operation module and a speech recognition rate automatic test tool; the operation module is connected with the speech recognition rate automatic test tool; the speech recognition rate automatic testing tool is connected with an automobile navigator; the operation module is used for external command input, transmitting commands to a processing module, and displaying information fed-back by a processor; and the speech recognition rate automatic test tool is used for processing signals from the operation module so as to emit sound and collecting signals fed-back by the automobile navigator. With the automobile navigation speech recognition rate automatic test system adopted, manual labor in a speech test process can be greatly decreased, test quality can be improved, influence on measurement results caused by manual pronunciation factors can be prevented, the measurement results can be collected and put into statistics conveniently, speech test efficiency and quality can be greatly improved, and test costs can be significantly reduced.

The invention discloses a method and system for comparing wanted men on the Internet quickly with hidden video collecting. A face image and an identity document image are collected by a hidden camera, image collecting is completed secretly, the personal safety of a user can be guaranteed to a certain degree, a client side is only in charge of image information collecting and does not need to carry out any processing on images, all processing is carried out by a server, and accordingly the client side is simple in equipment structure, convenient to carry and use and very suitable for routing inspection.

The invention discloses a method and a system for quick comparison of online wanted men through hidden video. Facial images of suspects are acquired by a hidden vidicon, so as to finish image acquisition in secret, thus guaranteeing personal safety of a user to a certain extent; in addition, a client is only responsible for acquisition of image information and is not used for processing the images, and all processing operations are implemented at a server, so that a client device is simple in equipment structure and convenient to carry and use; and method and the system are especially suitable for routing inspection.

Embodiments of the invention provide an audio real time switching method and device. The method includes: decoding multitrack original singer audio frequency coding files and accompaniment audio frequency coding files, obtaining multitrack original singer audio frequency data and corresponding accompaniment audio frequency data, adding the multitrack original singer audio frequency data and corresponding accompaniment audio frequency data to a first data queue and second data queue which are arranged in sequence, playing the accompaniment audio frequency data extracted from the second data queue according to the switching operation, switching to play the original singer audio frequency data extracted in the corresponding position from the first data. The real time switching from playing accompaniment to original singer is realized, as the multitrack original singer and accompaniment are respectively stored to the multitrack original singer audio frequency coding files and accompanimentaudio frequency coding files, therefore whether the original singer and accompaniment are both multitrack, and the real time switching and the sound effects of the original singer and accompaniment are realized at the same time.

The embodiment of the invention relates to a multimedia playing device. The device comprises a sound system and a display system, wherein the sound system sends image data of a preset format to the display system. The image data of the preset format is obtained based on external device signals. The sound system also plays audios based on the external device signals. The display system plays images based on the image data of the preset format sent by the sound system. According to the multimedia playing device provided by the embodiment of the invention, the two parts can be updated independently. Compared with the prior art, the device has the advantages that the waste of resources is reduced, moreover, the appearances of the two parts can be designed independently, the display system can be made lightly, thinly and beautifully without sacrificing the size of a loudspeaker in the sound system, and therefore, the sound effect of the multimedia playing device is ensured.

The invention discloses a loudspeaker box with dust preventing and clearing functions. The loudspeaker box comprises a loudspeaker box body, wherein a data interface is arranged in the middle of the back of the loudspeaker box body, the loudspeaker box body is internally provided with a support, a speaker is arranged outside the middle of the support, an isolation box is arranged outside the bottom of the support, a memory is arranged on the inner bottom of the isolation box, a controller is arranged beside the memory, and the data interface, the speaker and the memory are electrically connected with the controller. The loudspeaker box has the beneficial effects that an electrostatic generator supplements electric charge for an electrostatic electret board, and dust entering the loudspeaker box is absorbed through an electrostatic precipitation manner, so that the dustproof effect is achieved, and the sound generation effect of the loudspeaker box is guaranteed; and dust on the electrostatic electret board falls into a dust storage bin by stopping supplementing electric charge, and the dust storage bin is pulled out through a handle so as to clean the dust, so that a traditional dust clean manner based on disassembling is replaced, and the loudspeaker box is not disassembled frequently so as not to be damaged.

A headset comprises a shell body, a sound producing unit and a wire, wherein the sound producing unit is arranged inside the shell body, and the wire is connected with the sound producing unit. A tune cavity is formed inside the shell body, the sound producing unit is arranged inside the tune cavity, a wire hole is formed in the shell body and is communicated with the tune cavity, the wire extends into the tune cavity from the wire hole, and the wire is wound by adhesive tape which abuts against the inner wall face of the wire hole in a connection mode to fasten the wire into the wire hole. According to the headset, the wire can be prevented from shaking inside the wire hole, and the sound producing effect is further improved.

The invention relates to a phonograph convenient for velocity measurement. The phonograph is characterized by including a seat body (1), a driving motor assembly (2) and a rotary disc (3) connected with the driving motor assembly (2) and used for holding a disc are arranged in the seat body (1), a raster (4) is arranged on the rotary disc (3), and an optical coupler (5) corresponding to the raster (4) and for detecting the rotation speed of the rotary disc (3) is fixed on the seat body (1). The phonograph convenient for velocity measurement is provided with a device for detecting the disc rotation speed, and the rotation speed of the disc can be accurately controlled based on the needs, so that beautiful music can be modulated.

The invention provides an environmentally-friendly air salute. The environmentally-friendly air salute is composed of an overflow valve (1), an air-charging nozzle (2), a pressure gauge (3) and one or more salute launching units. Each launching unit comprises a one-way valve (4), an electromagnetic directional valve (5) and a salute unit body (6); by injecting high-pressure air into airtight cavities of the salute unit bodies and controlling switches to rapidly exhaust air, explosion sounds like salutes and firecrackers can be generated, and the exhausted high-speed airflow can launch fireworks into air. The whole system can basically achieve the functions of traditional gunpowder-type fireworks and crackers. The environmentally-friendly air salute is safe and reliable in performance, achieves zero emission, and is free of pollution, capable of being recycled, economical, environmentally friendly, simple in structure and convenient to operate.

The invention relates to the technical field of sound equipment, and discloses a device for noise reduction and heat dissipation of wall-mounted sound equipment based on a new information technology,and the device comprises a rack, wherein a supporting rod is fixedly connected to the inner wall of the rack, a transmission rod is slidingly connected to the outer wall of the supporting rod, a buffer plate is movably connected to the opposite end of the transmission rod, and the outer wall of the buffer plate is movably connected with a sleeve. According to the device for noise reduction and heat dissipation of the wall-mounted sound equipment based on the new information technology, the buffer plate overcomes the elastic force of the buffer spring to move towards the two sides, the buffer plate push the transmission rod to drive the rolling wheel to slide towards the two ends along the outer wall of the supporting rod so as to absorb transverse shock waves, and longitudinal shock wavesare transmitted to the buffer frames through the fixing plates; the buffer bracket adopts a multi-connecting-rod buffer design, so that simultaneous vibration between the sound equipment and the buffer bracket is avoided, more noise generated by resonance of the wall-mounted sound equipment with the fixed bracket and the wall during operation is avoided, and the sound production effect of the sound equipment during audio playing is ensured.

The invention discloses electronic equipment. The electronic equipment comprises: a circuit board assembly; a driving assembly arranged on the circuit board assembly, wherein the driving assembly comprises a driving part and a telescopic module which are connected, and the driving part is used for driving the telescopic module to stretch out and draw back; a flexible display screen arranged on the telescopic module and driven by the telescopic module to stretch out and draw back; a camera module comprising a fixed structure and a telescopic structure, wherein the fixed structure is connected with the circuit board assembly, the telescopic structure is connected with the telescopic module, the telescopic structure is driven by the telescopic module to stretch out and draw back relative to the fixed structure, and a first sound cavity channel is formed in the camera module; and loudspeaker, wherein a first sound cavity of the loudspeaker is communicated with the first sound cavity channel.

The invention provides a vibrating diaphragm which comprises a vibrating diaphragm main body, the vibrating diaphragm main body comprises a fixing part on the outer side, a folding ring part which isarranged on the inner ring side of the fixing part in a protruding mode and can generate elastic deformation and an inner side part located on the inner ring side of the folding ring part, and the vibrating diaphragm main body is made of a waterproof breathable material with waterproof breathable micropores. The invention further provides a loudspeaker with the vibrating diaphragm. According to the technical scheme of the invention, the vibrating diaphragm main body is made of the waterproof breathable material with the waterproof breathable micropores so that the vibrating diaphragm body is provided with the micropores, the size of the micropores is between that of water molecules and that of air molecules, so that the air molecules can smoothly pass through the micropores, meanwhile, thewater molecules are effectively prevented from passing through the micropores, the vibrating diaphragm has waterproof and breathable functions, internal and external air pressures of the loudspeakerare balanced, and the waterproof performance of the loudspeaker can be improved. Meanwhile, the vibrating diaphragm forms waterproof breathable micropores, thereby avoiding the forming of larger air vents and the additional pasting of a waterproof net, and guaranteeing the sound production performance of the diaphragm.

The invention relates to the technical field of Bluetooth sound boxes, and in particular relates to a sound box light-emitting structure and a control method and system thereof. The sound box comprises a base, a loudspeaker, a central shaft, a light-emitting body and a shell; the central shaft is mounted at the central shaft of the base; the loudspeaker and the light-emitting body are respectivelyarranged on two adjacent sides of the central shaft; the light-emitting body can emit light towards the outside; the shell is arranged on the periphery of the light-emitting body and the periphery ofthe center shaft in a covering mode and fixed to the base in a clamped mode; the shell is made of a light-transmitting material. According to the invention, the problems that the existing sound box has a monotonous function, can only be used as a loudspeaker in a song playing process and does not have an ornamental value are solved.

The invention provides a loudspeaker and a terminal. The loudspeaker comprises a driving voice coil, a measuring temperature ring and a voice coil bracket, wherein both the driving voice coil and the measuring temperature ring are wound on the voice coil bracket; the measuring temperature ring consists of two thermosensitive wires; two thermosensitive wires are wound on the voice coil bracket in a double-wire winding manner; and currents in two thermosensitive wires are the same in size and opposite in direction. By controlling the currents flowing in two thermosensitive wires to be the same in size and opposite in direction, when the currents are changed, generated magnetic fields can be mutually counteracted, and Ampere forces applied to two powered thermosensitive wires in the magnet magnetic fields are the same in size and opposite in direction, and thus, a current applied to the measuring temperature ring cannot generate influence on a sound production effect of the driving voice coil. Therefore, according to the loudspeaker and the terminal which are provided by the invention, detection on a temperature of the driving sound coil of the loudspeaker under the condition of ensuring the sound production effect of the driving voice coil of the loudspeaker can be implemented, and not only the sound production effect of the loudspeaker is ensured, but also the service life of the loudspeaker is prolonged.

The invention discloses a portable pull rod loudspeaker box. The portable pull rod loudspeaker box comprises a front box body (1), a rear box body (12), a power amplifier arranged in the rear box body (12) and a high-frequency speaker (2) arranged at the upper portions of the front box body (1) and the rear box body (12), wherein an outlet of the high-frequency speaker (2) is away from the rear box body (12), a telescopic pull rod (8) is arranged in the rear side of the rear box body (12) and located in the front box body (1), and rolling wheels (10) are arranged at the bottom of the rear box body (12) under the pull rod (8). The portable pull rod loudspeaker box further comprises a first groove (3) arranged in the rear box body (12) and located above the high-frequency speaker (2) and a second groove (6) connected with the first groove (3) and close to the pull rod (8), wherein the second groove (6) is deeper than the first groove (3). The portable pull rod loudspeaker box is large in pull rod bearing capacity and convenient to drag, and the moderate depth of the high-frequency speaker can be ensured, so that the quality of sound made by the portable pull rod loudspeaker box is good.

The embodiment of the invention disclose an audio signal processing method and device, and an electronic equipment. The audio signal processing method comprises the steps of obtaining a to-be-processed audio signal; dividing the to-be-processed audio signal into two paths to obtain a first path of audio signal and a second path of audio signal; obtaining a low-frequency processing mode which comprises a target low-frequency type and a target processing mode; determining whether the second path of audio signal contains an audio signal corresponding to the target low-frequency type, and if so, processing the second path of audio signal according to the target processing mode to obtain a processed second path of audio signal; and carrying out superposition processing on the first path of audio signal and the processed second path of audio signal to obtain a target audio signal.

The invention relates to the technical field of sound production, and discloses a sound generator. The sound generator comprises a shell with a mounting cavity, and a diaphragm mechanism arranged in the mounting cavity, wherein the diaphragm mechanism divides the mounting cavity into a first cavity and a second cavity side by side, characterized in that the sound generator further comprises a limiting component, an electromagnetic component and a magnetic generating component, wherein the limiting component is made of a soft magnetic material, the limiting component is provided with a closed cavity, one side of the closed cavity facing towards the diaphragm mechanism is provided with an opening, and the opening is bent from outside to inside to form a shrinkage opening; the electromagneticcomponent is located in a second cavity and mounted in the closed cavity, and is used for generating an electromagnetic field and transmitting the electromagnetic field to the limiting component; andthe magnetic generating component is fixed on the diaphragm mechanism, extends into the shrinking opening, and is used for providing a fixed magnetic field. According to the scheme of the invention,the electromagnetic field is limited in the closed cavity of the limiting component, the magnetic leakage is not easy to occur, the acting force between the magnetic fields can be enhanced, and thus the output efficiency and sound of audios can be improved.

The invention discloses a portable pull rod loudspeaker box. The portable pull rod loudspeaker box comprises a front box body (1), a rear box body (12), a power amplifier arranged in the rear box body (12) and a high-frequency speaker (2) arranged at the upper portions of the front box body (1) and the rear box body (12), wherein an outlet of the high-frequency speaker (2) is away from the rear box body (12), a telescopic pull rod (8) is arranged in the rear side of the rear box body (12) and located in the front box body (1), and rolling wheels (10) are arranged at the bottom of the rear box body (12) under the pull rod (8). The portable pull rod loudspeaker box further comprises a first groove (3) arranged in the rear box body (12) and located above the high-frequency speaker (2) and a second groove (6) connected with the first groove (3) and close to the pull rod (8), wherein the second groove (6) is deeper than the first groove (3). The portable pull rod loudspeaker box is large in pull rod bearing capacity and convenient to drag, and the moderate depth of the high-frequency speaker can be ensured, so that the quality of sound made by the portable pull rod loudspeaker box is good.

The invention provides electronic equipment which comprises a first assembly and a second assembly, the first assembly comprises a dustproof part, a first shell and a receiver arranged in the first shell, and the second assembly comprises a second shell; the first assembly can move relative to the second assembly; the first shell is provided with a first sound outlet hole, the receiver is locatedat one end of the first sound outlet hole, and the dustproof piece is connected with the first shell. A second sound outlet hole is formed in the second shell; under the condition that the second sound outlet hole is opposite to the first sound outlet hole, at least part of the dustproof piece is located in the gap between the first assembly and the second assembly and covers the area between thefirst sound outlet hole and the second sound outlet hole. Foreign matters or dust can be prevented from entering the sound outlet hole through the gap to block the sound outlet hole, and the sound outlet effect of the receiver is ensured.