88results about How to "Boost bass" patented technology

A speaker device for use in a mobile terminal includes a speaker frame with a speaker unit mounted therein, and a frame cover provided at the rear side of the speaker frame to form a resonance space between the speaker frame and the frame cover. Sound that is output in a forward direction of the speaker unit is emitted to a front space of the speaker frame, and sound that isoutput to the rear of the speaker unit is emitted through the resonance space. The speaker device provides the resonance space at the rear side of the speaker frame to reinforce the output of midrange and bass tones, thereby reproducing the original sound as accurately as possible. The speaker device enables a user to enjoy vivid sound when reproducing a multimedia file or viewing a digital, multimedia broadcast (DMB) program on a small-sized device, such as a mobile terminal.

A liquid crystal television bass boost system comprises a front frame, a rear cover, a screen and a vibration speaker, wherein the vibration speaker is fixed to the front frame through a speaker support, the vibration speaker and the speaker support are fixedly connected through a spring cushion, an elastic cushion is installed on an vibration head of the vibration speaker, a metal plate is arranged between the rear cover and the vibration speaker and is fixed to the rear cover, and the metal plate and the vibration head of the vibration speaker are connected tightly through the elastic cushion. By the aid of the system, a flat television has good bass effect under the condition that the thickness of a mainframe is not changed.

The invention relates to a sound box module and especially relates to a loudspeaker and a manufacturing method thereof. Sound is generated by the loudspeaker in a manner of generating mechanical vibration under an action of an electromagnetic force. The loudspeaker comprises a sound box module which comprises a horn, a driven radiator and a sound box panel, wherein a mounting hole is formed on the sound box panel; the horn is arranged at the mounting hole and is integrally formed with the sound box panel in the manner of embedding ejection; a secondary mounting hole is formed on the sound box panel on one side of the mounting hole; and the driven radiator is arranged in the secondary mounting hole and is integrally formed with the sound box panel in the manner of embedding ejection. The loudspeaker has the advantages of small volume, small thickness, simple structure and enhanced low pitch. The loudspeaker can be used as a built-in loudspeaker or an external loudspeaker of a modern panel personal computer or intelligent mobile phone, and the like. In order to ensure an excellent sound effect of the sound box, an embedding ejection integrating manufacturing process is adopted, thereby maximally ensuring the sound effect of the sound box, greatly shortening the working time and promoting the production efficiency.

A low cost / high efficiency passive radiator module component includes: a ported cavity structure adapted for placement inside an acoustic enclosure with a port communicating out of the acoustic enclosure and one or more pairs of passive radiators symmetrically oriented and supported on opposing side walls of the ported cavity each having a predetermined or tuned mass distribution, stiff acoustic radiating diaphragm surfaces, and spaced apart inner and outer suspensions configured to suppress diaphragm wobble that induces each pair to symmetrically vibrate inertially responsive to variable sound pressure pulses originating from an active acoustic radiator within the acoustic enclosure. Different variable acoustic pressure pulses may be detected inside and outside the ported cavity; the constricting horn connecting to the ported cavity from outside may be tuned by horn loading to achieve a desired effect.

The present application discloses a passive loudspeaker box, including a tone cavity, and a speaker and a passive radiator located and disposed in the tone cavity. The voice cavity is formed by a bass cavity and a whole tone cavity connected end to end, the speaker includes at least a bass speaker and a plurality of whole tone speakers, the bass speaker is located in the bass cavity, and the plurality of whole tone speakers is located and disposed in the whole tone cavity. In addition, the passive radiator is located and disposed at a junction between the bass cavity and the whole tone cavity, and the passive radiator matches the bass speaker. The present application not only enhances a bass effect, but also enhances a sense of depth of the tone quality through locating and disposing the passive radiator at the junction between the independently disposed bass cavity and whole tone voice cavity.

The invention discloses a loudspeaker having a dual-membrane structure, in particular to a moving-magnetic and piezoelectric composite broadband loudspeaker and a driving method of the loudspeaker. The composite loudspeaker comprises a housing and a vibrating element installed in the housing, wherein the vibrating element comprises a first vibrating element and a second vibrating element; the composite loudspeaker further comprises a moving-magnetic driving component used for driving the first vibrating element vibrate and a piezoelectric driving component used for driving the second vibrating element vibrate. The moving-magnetic driving component of the loudspeaker provided by the invention is mainly used for replaying low-mid pitch; the piezoelectric driving component is mainly used for replaying mid-high pitch; the moving-magnetic part and the piezoelectric part have the same aperture, which can ensure a lower resonance frequency and ensure a larger acoustical output; a magnet, a concentrating flux plate and a concentrating flux bowl are directly connected with a vibration unit, thereby increasing the vibration mass, reducing the resonance frequency and further enhancing the bass effect; the composite loudspeaker has the advantages of compact and light structure, wide frequency band and so on.

The invention relates to a loudspeaker box which comprises a loudspeaker box body and a horn. The horn is telescopically arranged in an outer shell of the loudspeaker box body; a flexible soft material is connected between the periphery of the horn and the outer shell of the loudspeaker box body; when the horn extends out of the outer shell of the loudspeaker box body, the flexible soft materials is stretched to expand to enlarge the volume of a rear vocal cavity of the horn. By the arrangement, the problem that the sound effect and volume in an existing loudspeaker box cannot be considered at the same time is solved, bass effect of the loudspeaker box is improved, the volume of the loudspeaker box is reduced, and convenience in carrying and placing is achieved.

A microphone having: a first bidirectional microphone unit formed by connecting two unidirectional microphone units, each of which has a vibrating section on a front side thereof, back to back; and a second bidirectional microphone unit formed by connecting two unidirectional microphone units, each of which has a vibrating section on a front side thereof, back to back, and a directional axis of the second bidirectional microphone unit is arranged to be shifted by 90 degrees with respect to a directional axis of the first bidirectional microphone unit.

A microphone having: a first bidirectional microphone unit formed by connecting two unidirectional microphone units, each of which has a vibrating section on a front side thereof, back to back; and a second bidirectional microphone unit formed by connecting two unidirectional microphone units, each of which has a vibrating section on a front side thereof, back to back, and a directional axis of the second bidirectional microphone unit is arranged to be shifted by 90 degrees with respect to a directional axis of the first bidirectional microphone unit.

A speaker device for use in a mobile terminal includes a speaker frame with a speaker unit mounted therein, and a frame cover provided at the rear side of the speaker frame to form a resonance space between the speaker frame and the frame cover. Sound that is output in a forward direction of the speaker unit is emitted to a front space of the speaker frame, and sound that isoutput to the rear of the speaker unit is emitted through the resonance space. The speaker device provides the resonance space at the rear side of the speaker frame to reinforce the output of midrange and bass tones, thereby reproducing the original sound as accurately as possible. The speaker device enables a user to enjoy vivid sound when reproducing a multimedia file or viewing a digital, multimedia broadcast (DMB) program on a small-sized device, such as a mobile terminal.

The invention discloses a transient steady-state signal separation-based hybrid virtual bass enhancement processing method. The method comprises the following steps: 1, separating the transient component from the steady component in the original audio signal by using a transient / steady signal separation algorithm; carrying out virtual bass processing through a virtual bass generation module basedon a nonlinear device and a virtual bass generation module based on a phase vocoder; performing harmonic amplitude control on the obtained two paths of virtual bass signals to enable the two paths ofvirtual bass signals to meet an equal loudness curve, combining the two paths of virtual bass signals into one path, and finally superposing the obtained virtual bass signals and high-frequency signals obtained after performing high-pass filtering and delay processing on the obtained virtual bass signals and original audio signals to obtain audio signals after hybrid virtual bass enhancement processing. According to the method, steady-state distortion and transient distortion of virtual bass processing are greatly reduced, so that the bass effect is enhanced while the original quality of the audio signal after virtual bass processing is kept, and the resonance, fullness, vigorousness and space feeling of the audio are enhanced.

The present invention discloses an audio processing method and an audio processing device, wherein the audio processing method comprises the steps of obtaining the audio data needing to be processed; carrying out the high-pass filtering processing and the gain control processing on the audio data orderly to obtain a high frequency component of the audio data; carrying out the low-pass filtering processing and the gain control processing on the audio data orderly to obtain a low frequency component of the audio data; obtaining the front N numerical values of the low frequency component, carrying out the convolution operation processing on the front N / 2 numerical values and the back N / 2 numerical values of the front N numerical values and a transfer coefficient separately, then summing and carrying out the M-order filtering operation to obtain the high frequency band data of the low frequency component; generating the first harmonic and the second harmonic of the high frequency band data, and carrying out the convolution operation processing to obtain the virtual bass data; carrying out the logic additive operation on the high frequency component and the virtual bass data of the above audio data, and then outputting the processed audio data. The technical scheme of the present invention enables the bass effect of the audio to be improved effectively.

The invention provides a loudspeaker module which comprises an inner magnetic loudspeaker unit, a shell body and a metal back face plate, wherein the inner magnetic loudspeaker unit is connected with the shell body, the metal back face plate is connected with the plastic shell body to form a sealed cavity, the inner magnetic loudspeaker unit comprises a magnetic circuit system, and the magnetic circuit system is contacted with the metal back face plate. The loudspeaker module promotes low sound, and resolves a radiating problem of a small-field-core high-power inner magnetic loudspeaker module.

Disclosed is a double-vibrating-diaphragm loudspeaker box. The side view of an inner shell of the loudspeaker box is in a U shape. A through groove is formed in the middle of the U shape. An upper vibrating diaphragm is fixedly installed above the through groove. A lower vibrating diaphragm is fixedly installed below the through groove. A loudspeaker is fixedly installed inside the inner shell. A sound output hole is formed in the position, corresponding to the loudspeaker, of the inner shell. The whole inner shell is of a sealing structure. Reverse-direction airflow generated when the loudspeaker makes a sound can drive the two vibrating diaphragms to vibrate at the same time. When the double-vibrating-diaphragm loudspeaker box works, the sound made by the loudspeaker is added to the two vibrating diaphragms through a sealed loudspeaker box cavity, so that the two vibrating diaphragms move outwards or inwards along with the airflow of the loudspeaker at the same time, and bass heard by the ears of a person is increased by one time. Meanwhile, as for a loudspeaker box body, the moving directions of the two vibrating diaphragms are just opposite, so that the balancing aim is achieved, and the aim that compared with a loudspeaker with the general design, the double-vibrating-diaphragm loudspeaker box has the better sound restoration effect, namely the high fidelity effect is achieved.

A device for improving receiver noise comprises an electromagnetic shielding casing, a vibrating diaphragm, a magnetic core coil, a magnetic induction coil signal wire and a circuit board, wherein the electromagnetic shielding casing comprises a front cavity and a rear cavity; a speaking terminal is arranged on the front cavity; the circuit board is arranged on one side of the rear cavity; two wiring holes are formed in the circuit board; an open pore is formed between the two wiring holes; and a damping net is arranged on the open pore. The device disclosed by the invention has the beneficial effect that a through hole corresponding to the open pore in the circuit board is formed in the electromagnetic shielding casing, so that low pitch of a receiver is enhanced; and the damping net is arranged on the open pore of the circuit board so as to reduce the air eddy current effect in the casing, improve the noise phenomenon of the receiver and reduce total harmonic distortion of the receiver.

A dual suspension edge member structure for a radiation device, a dual suspension edge loudspeaker and a loudspeaker box. The radiation device comprises an outer supporting frame, a vibration element, a first suspension edge member extending between the vibration element and the outer supporting frame, an inner frame connected to the vibration element, an outer holding frame, and a second suspension edge member connected between the inner frame and the outer holding frame. The dual suspension edge member structure of the radiation device for making the dual suspension edge loudspeaker or loudspeaker box prevents shaking and shifting of the vibration element to improve the sound effect quality.

The invention relates to an audio processing method, a circuit and a terminal. The audio processing method comprises the steps of obtaining a current audio mode; determining an audio processing mode according to the audio mode; when the audio mode is a multimedia mode, controlling a first loudspeaker and a second loudspeaker to produce sound at the same time; and when the audio mode is a call mode, controlling the first loudspeaker and the screen to produce sound at the same time. By adopting the method, the problems that low-frequency response does not meet the requirement and the bass effectis poor due to sound production of the loudspeaker in the traditional technology can are solved; due to the fact that the screen has lower cut-off frequency than the loudspeaker, the frequency response of the screen to low frequency can meet the requirement, and by controlling the first loudspeaker and the screen to produce sound at the same time, the bass effect in a call mode can be greatly improved.

The sound cavity device includes one main body, and inside the main body, there are front sound cavity, loudspeaker holding cavity communicated with the front sound cavity and back sound cavity. The main body has also sound exit, through which the front sound cavity is communicated outwards. The front sound cavity is located in the middle of the back sound cavity and has one closed end to form one narrow passage together with one side wall of the main body and to separate the back sound cavity into two communicated parts. Compared with available technology, the present invention has the features of simple and reasonable structure, high sound broadcasting quality, excellent bass effect, etc.

The embodiment of the invention discloses a robot sound and a robot. The robot sound comprises a resonant sound cavity unit, a loudspeaker unit and a passive vibrating diaphragm unit. The resonant sound cavity unit is arranged in a shell of the robot, and the interior of the resonant sound cavity unit is constructed into a closed cavity structure; the loudspeaker unit is hermetically connected to the surface of the resonant sound cavity unit and generates corresponding mechanical vibration with the change of applied current to drive the change of the air density in the resonant sound cavity unit, and at least a part of the structure of the loudspeaker unit is exposed from the surface of the shell; and the passive vibrating diaphragm unit is hermetically connected to the surface of the resonant sound cavity unit and generates mechanical vibration having the same frequency as the loudspeaker unit with the change of the air density in the resonant sound cavity unit, and at least a part of the structure of the passive vibrating diaphragm unit is exposed from the surface of the shell. The loudspeaker unit and the passive vibrating diaphragm unit are placed at different positions of the resonant sound cavity unit, so that the stereoscopic effect of the robot sound can be reinforced.

The invention discloses a display device which comprises a display main body and an electromagnetic vibration device. The display main body comprises a shell, a display screen mounted at the front endof the shell and an optical film group mounted in the shell, and the shell comprises a back plate. And the electromagnetic vibration device is mounted on the back plate and is used for sounding by vibrating the back plate, the optical film group and the display screen. According to the technical scheme provided by the invention, the electromagnetic vibration device is arranged at the back plate of the display main body. When the electromagnetic vibration device vibrates, the back plates, the shell, the optical film group and the display screen can be sequentially driven to vibrate. Compared with the traditional technical scheme of sound transmission through a sound box, the sound box has the advantages that the paper cone area and the volume of the sound box are increased equivalently, the bass effect is improved, meanwhile, enough space is reserved for high-pitch sound production, the high-pitch effect is improved, the optimal sound listening area range can be expanded, and convenience is brought to a user to use.

A double-sided vibration loudspeaker comprises a magnetic loop assembly, a first vibration assembly and a second vibration assembly. The magnetic loop assembly comprises a main magnetic conduction unit, a first magnetic conduction unit and a second magnetic conduction unit, the main magnetic conduction unit is provided with a main magnetic conduction plate and two side magnetic conduction plates, the main magnetic conduction plate is provided with a vent hole, the side magnetic conduction plates are arranged on the two sides of the main magnetic conduction plate, and the main magnetic conduction unit forms an H shape. The first vibration assembly is arranged on the surface of one side of the magnetic loop assembly, and the second vibration assembly is arranged on the surface of the other side of the magnetic loop assembly. Therefore, the double-sided vibration loudspeaker has a bidirectional sound production effect under the condition that the size is not changed, so that the output volume and bass are improved, and the first vibration component and the second vibration component can move simultaneously, so that the damping force is increased, the acting force between the first vibration component and the second vibration component is counteracted, and noise and distortion caused by resonance are avoided.

The invention provides a novel detachable Indian flute comprising a flute head and a flute body. The front face of the novel detachable Indian flute is provided with a sound outlet. The flute body is provided with main finger holes and auxiliary finger holes, one end of the flute head is provided with a mouthpiece and a communicative chamber is formed between the other end and the mouthpiece. A casing is embedded in the inner wall of the end chamber of the other end of the flute head, one end of the flute body is provided with a storage cavity, and the other end of the casing can be embedded in the internal storage cavity of one end of the flute body. The casing embedded in the flute body is communicated with a cavity running through the flute body, the other end of the flute body penetrating through the cavity inside the flute body forms an orifice, the chamber and the cavity are identical in the internal diameter, and an anti-corrosion wear-resistant layer is coated with the outer surfaces of the flute head and the flute body. By adjusting the length of the casing in the storage cavity of one end of the flute body, namely pitch and intonation can be adjusted, so that range width can be effectively broadened, and changes of low and high pitches are added. The anti-corrosion wear-resistant layer can fully protect the wood of the flute from being corroded and worn, and the life of the flute can be prolonged.

The invention relates to a single-cavity sandwich-type automobile subwoofer. The subwoofer comprises a bass box body, woofers and bass radiator groups, wherein the woofers and the bass radiator groupsare installed in the bass box body. There is at least one woofer and the woofer is installed on the box wall of the bass box body. There is at least one bass radiator group and each group comprises two bass radiator units. The two bass radiator units are arranged correspondingly in front and back portions and are installed on the box wall of the bass box body. The installation plane of the two bass radiator units is coplanar, parallel, vertical or tilted to the installation plane of the woofer. In the invention, through the interaction of the woofer and the bass radiator group, electroacoustic conversion is completed in a single bass box body so that the size of the subwoofer is reduced by 90%; and the weight is light, the shocking, heavy, elastic and pure bass can be generated so that problems that the subwoofer is large and is not easy to install are solved. The subwoofer of the invention is suitable for internal installation of front installation, rear installation and the like ofan automobile, wherein the internal installation has requirements of the small size, thin installation and good bass.

The invention provides a portable outdoor sound box which includes a box body. A top end of the box body is provided with a solar panel. Upper ends of the box body right side, a box body left side surface, and a box body right side surface are individually provided with a lighting apparatus. Lower end of the lighting apparatus on a box body right side is from left to right successively provided with a touch screen, a turn button, and a main switch. A lower end of the box body right side is provided with a main horn in the middle thereof. The box body left side and right side are separately provided with an auxiliary horn in the middle ends thereof. A left side and a right side and the bottom end of the main horn are provided with a plurality of LED colored lamps. The box body right side surface is provided with two USB interfaces and a SD card slot in the front end thereof. The box body right side surface is provided with an access door at the lower end thereof. The box body back side is provided with a pull rod in the middle thereof. The two sides of the pull rod are provided with wind-guiding apertures. A box body bottom end is provided with universal wheels. The box body interior upper end is provided with an antenna on the left side thereof. A box body interior bottom end is provided with a battery package. According to the invention, the portable outdoor sound box is advantaged by light and design, easy carrying, excellent tone quality, plentiful functions, high automation, and efficient energy conservation.

The invention discloses a dual-drive full-frequency bone conduction loudspeaker, and relates to the technical field of bone conduction audio transmission. The problems of lack of sound low-frequency output and high F0 value are solved. The dual-drive full-frequency bone conduction loudspeaker specifically comprises a magnet part, a sound body part and an elastic sheet supporting assembly part, themagnet part comprises U-shaped iron, a magnet, a washer sheet, an auxiliary magnet and an auxiliary washer sheet, and the U-shaped iron, the magnet, the washer sheet, the auxiliary magnet and the auxiliary washer sheet adopt a double-magnetic-circuit design; the voice body part comprises a voice coil, a fixing frame, an auxiliary voice coil and an auxiliary fixing frame. According to the invention, the structural design characteristics of double voice coils and double magnetic circuits are adopted; the vibration amplitude of the product can be increased; therefore, the sensitivity of sound and the effect of bass are effectively improved, the bass of the product is thicker and more comfortable, the elastic sheet supporting assembly part adopts a suspension supporting design, and the connected elastic sheet can be designed and modified according to requirements so as to change the amplitude of the elastic sheet supporting assembly part in the cavity and achieve the effect required by aclient.

A device for improving receiver noise comprises an electromagnetic shielding casing, a vibrating diaphragm, a magnetic core coil, a magnetic induction coil signal wire and a circuit board, wherein the electromagnetic shielding casing comprises a front cavity and a rear cavity; a speaking terminal is arranged on the front cavity; the circuit board is arranged on one side of the rear cavity; two wiring holes are formed in the circuit board; an open pore is formed between the two wiring holes; and a damping net is arranged on the opening pore. The device disclosed by the invention has the beneficial effects that a through hole corresponding to the open pore in the circuit board is formed in the electromagnetic shielding casing, so that low pitch of a receiver is enhanced; and the damping net is arranged on the open pore of the circuit board so as to reduce the air eddy current effect in the casing, improve the noise phenomenon of the receiver and reduce total harmonic distortion of the receiver.

The invention provides a passive radiator and a speaker system including the passive radiator. The passive radiator comprises an annular suspension edge portion and a central portion; the annular suspension edge portion comprises at least one upward concave annular suspension edge, at least one downward concave annular suspension edge, a plurality of first ribs and a plurality of second ribs, wherein the upward concave annular suspension edge is connected to the downward concave annular suspension edge, each of the first ribs is disposed on the upward concave annular suspension edge, and eachof the second rib is disposed on the downward concave annular suspension edge; and the central portion is coupled to the inner edge of the annular suspension edge portion. Therefore, the invention iscapable of increasing the compliance of the suspension edge portion by using the upward concave annular suspension edge and the downward concave annular suspension edge, and simultaneously strengthening the strength of the suspension edges by using the plurality of first ribs and the plurality of second ribs, so that the passive radiator may maintain a predetermined axial motion, thereby effectively reducing the polarization to achieve the effect of increasing the bass.

An apparatus (100) for processing reproducible data comprises a receiving unit (103) adapted to receive reproducible data in a given order, and a processing unit (104) adapted to generate altered reproducible data by altering at least one property of received reproducible data in an at least partially random manner, wherein the alteration of at least one property is perceivable by a human sense when the altered reproducible data are reproduced in the given order.

The invention discloses a sound box and a terminal, and relates to the technical field of acoustics. The sound box comprises a box body, a heat absorbing plate, a loudspeaker and a plurality of heat dissipation holes, heat absorbing plate is fixedly arranged in the box body, and at least one end of the heat absorbing plate extends out from the box body; the heat absorbing plate divides the box body into a first chamber and a second chamber; the plurality of heat dissipation holes are formed in the heat absorbing plate to communicate the first chamber with the second chamber; and the loudspeaker is installed in the first chamber, and the loudspeaker can drive the air circulation of the first chamber and the second chamber. The sound box disclosed by the invention can improve the heat dissipation effect and prolong the service life while ensuring the sound effect.