410 results about "Bass (sound)" patented technology

The present invention provides a coaxial speaker including a fixing member, a magnetic circuit system, a voice coil, a first vibration system connected with the voice coil, and a second vibration system connected with the voice coil and arranged surrounding the first vibration system. The second vibration system locates coaxially with the first vibration system. The first vibration system includes a first diaphragm and a first support connecting the first diaphragm and the voice coil. The second vibration system includes a second diaphragm and a second support connecting the second diaphragm and the voice coil. The first diaphragm is used for generating treble sound. The second diaphragm is used for generating bass sound. Bass sound and treble sound form a full-range speaker, providing high-quality sound. Moreover, the assembly process is simplified by sharing voice coil, which improves assembly efficiency and reduces costs.

A wall-mounted audio device is provided, including: a display component; a wall-mounted box body, wherein a front panel is provided with a rim region and a display region; the display component is arranged in the display region; a rear panel of the wall-mounted box body is provided with a wall connector; a speaker module, arranged inside the wall-mounted box body a sound output end of the speaker module faces the sound outlet hole; and an mesh. The mesh is detachably connected to the front panel of the wall-mounted box body. The display component is a liquid crystal display screen. The speaker module includes a speaker module housing and one or more transducers designed on the speaker module housing. The speaker module housing is provided with a bass enhancement port. The rear panel of the wall-mounted box body is provided with a wire receiving slot.

The invention provides an audio data processing method, electronic equipment, a storage medium and a computer program product, and the method comprises the steps: extracting audio feature information from target audio data according to a feature extraction strategy corresponding to a specified classification algorithm; classifying the audio feature information according to the specified classification algorithm to obtain a music type of the target audio data; calling a sound effect enhancement strategy matched with the music type, and performing sound effect enhancement processing on the target audio data; wherein the sound effect enhancement strategy refers to an adjustment mode of an equalizer, a reverberation mode and a bass enhancement function. According to the scheme, classification and sound effect enhancement of the audio data are realized under the condition of relatively low hardware requirements and resource consumption.

The invention discloses a multi-channel audio calibration method, system and device and a storage medium, and relates to the technical field of audio, and the method comprises the steps: collecting and separating a main sound channel signal and a bass sound channel signal in a multi-channel audio signal; detecting time delay between a main sound channel and a bass sound channel based on a phase correlation algorithm, and performing adaptive delay compensation; the state change of the audio signal is monitored in real time, and before or when a signal switching event is detected, gradient gain envelope is applied to the bass sound channel signal, so that the signal amplitude gradually changes to a target value according to a preset nonlinear curve; a sonic boom event is analyzed and identified based on multi-dimensional characteristics, a self-adaptive amplitude limiter with a prospective processing capability is started for suppression, and harmonic distortion compensation and phase correction are carried out on a processed signal, so that the problems of signal asynchronization caused by low-frequency output delay of an audio system in the prior art, and the system reliability is improved are solved. Therefore, the low-frequency sound quality and the system stability are improved.

The present invention provides a coaxial speaker including a frame, a magnetic circuit system, a first vibration system fixed on an inner side of the frame, and a second vibration system fixed on an outer side of the frame. The first vibration system locates coaxially with the second vibration system. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The first voice coil at least partially locates into the first magnetic gap, the second voice coil at least partially locates into the second magnetic gap. The first diaphragm is used for generating treble sound, and the second diaphragm is used for generating bass sound. Bass sound and treble sound form a full-range speaker, providing high-quality sound.

This disclosure relates generally to electronic musical instruments, systems, and methods. More particularly, this disclosure relates to electronic percussion instruments such as tom toms, snare drums, bass drums, cymbals, and hi-hats, and assemblies of instruments (e.g., percussion instruments), such as drum sets. Even more particularly, this disclosure relates to wireless electronic percussion instruments, and percussion instruments with interchangeable and / or removable components to change the instrument between a traditional percussion instrument (that relies on resonance and / or vibration to produce sound) and an electronic percussion instrument. The present disclosure also relates to electronic cymbal instruments, such as cymbal assemblies and hi-hat assemblies, that can be used in conjunction with a traditional acoustic metal cymbal.

A single enclosure multi-channel loudspeaker product 500 can use a transducer arrangement and signal processing system and method to generate the Stereo Dimensional Array (“SDA”) effect (with effective interaural crosstalk cancelation (IACC)) including the generation of four distinct projections of sound in a listener's space from only three mid-bass drivers (e.g. 508L, 508C and 508R). The system and method of the present disclosure are configurable in a very compact soundbar 500 whose transducer arrangement permits reduced size and reduced driver count by employing a single center channel mid-bass transducer 508C with signal processing permitting reproduction of the two (L and R) channels associated with stereo or the multiple (e.g., 5.1.2) channels of home-theater audio bitstreams.

The utility model discloses an off-ear type loudspeaking assembly and a helmet, the off-ear type loudspeaking assembly comprises a housing, a loudspeaker and an exhaust channel, the housing is internally provided with an accommodating cavity, and the housing is provided with a sound guide port and an exhaust port; the loudspeaker is installed in the containing cavity and provided with a first side and a second side which are oppositely arranged, the first side and one end of the containing cavity are spaced to form a sound guide interval, and the sound guide interval is communicated with the sound guide opening; the second side and the other end of the containing cavity are spaced to form an exhaust interval, and the exhaust interval communicates with the exhaust port. The exhaust channel is arranged outside the exhaust port, and the exhaust port is communicated with the exhaust channel and the exhaust interval, so that the second side is communicated with the outside of the shell. The off-ear loudspeaking assembly can reduce the bass offset phenomenon between the rear side and the front side of the loudspeaker, and provides a high-quality sound effect for a user. According to the helmet, sound can be guided to human ears through the off-ear loudspeaking assembly, the helmet does not cover the human ears, a user can hear environmental sound while enjoying music, and the helmet is safer to use.

A transducer assembly comprising: a laterally offset arrangement of different size transducers, the different size transducers comprising at least a first transducer having a diaphragm of a first size arranged in a first direction and a pair of transducers each having a diaphragm of a second size arranged in a second direction to output sound when driven by respective audio signals, and wherein a force produced by the first transducer is cancelled by a sum of forces produced by the pair of transducers when the transduces are driven by the audio signals.

The invention discloses a music source separation method and system based on a hybrid expert self-attention network, and belongs to the technical field of audio signal processing and deep learning. The method comprises the following steps: receiving a time domain mixed audio signal, and obtaining a complex frequency spectrum through short-time Fourier transform; the method comprises the following steps: estimating a complex ideal proportion mask through an improved separator network MoEFormer, respectively modeling a time domain dependency relationship and a frequency domain dependency relationship in the separator network by adopting an axial attention mechanism, and replacing a feedforward network in a standard Transformer with a hybrid expert layer; the hybrid expert layer comprises an expert network specially designed for drum sound, Bass and human voice characteristics, and a self-adaptive weight distribution mechanism based on gating routing; and finally, reconstructing the separated time domain signal through inverse short-time Fourier transform. Through expert specialization and feature adaptive fusion, the problem of multi-sound-source feature confusion is effectively solved, and low calculation complexity is kept while the separation precision is improved.

The utility model relates to the technical field of loudspeakers, in particular to a sound box with a sound guide tube, which comprises a cavity shell and a loudspeaker, the cavity shell comprises an upper shell and a lower shell, the upper shell and the lower shell are combined to form a cavity for placing the loudspeaker, the sound guide tube is further arranged in the cavity, an inner cavity of the sound guide tube forms a passage, and the sound guide tube is arranged in the passage. A first opening of the passage is located on the cavity shell and communicated with the outside of the sound box, and a second opening of the passage is located on one side of the loudspeaker and communicated with the loudspeaker. According to the sound box with the sound guide tube, the cavity shell is improved, so that the sound guide tube and the cavity shell are integrally formed, and meanwhile, the sound guide tube is long, so that mega bass is enhanced, the bass can be ensured to be cleaner, and the requirement of high performance is met. After the design mode with the sound guide tube is adopted, the vibration of the loudspeaker can be well balanced, high-quality audio is brought, and meanwhile, the production smoothness is also ensured.

The utility model provides a double-ring waveguide horn sound box, which comprises a sound box shell, a bass assembly comprises a bass loudspeaker and a bass waveguide horn, the bass loudspeaker is arranged on the sound box shell in a penetrating manner, the bass waveguide horn is arranged on the bass loudspeaker and is positioned at one end of the bass loudspeaker, which is positioned outside the sound box shell, and the bass waveguide horn is positioned at the other end of the bass loudspeaker. The high-pitch assembly comprises a high-pitch loudspeaker and a high-pitch waveguide horn, the high-pitch loudspeaker is arranged on the sound box shell in a penetrating manner, the high-pitch waveguide horn is arranged on the high-pitch loudspeaker and located at one end, located outside the sound box shell, of the high-pitch loudspeaker, and the low-pitch waveguide horn and the high-pitch waveguide horn are arranged on the sound box shell in a staggered and superposed manner. According to the utility model, the bass waveguide horns and the treble waveguide horns are arranged on the sound box shell in a staggered and superposed manner, so that the up-down propagation direction of treble is compressed by bass, and the propagation direction of the treble is transversely diffused, thereby enabling the transverse diffusion of the treble to be wider, further increasing the listening position of the sound box, and improving the listening effect of the sound box. And the hearing feeling of the user is improved.

A new high-fidelity speaker includes a cabinet outer wall, a front partition and a side partition, the front partition and the side partition are arranged in the cabinet outer wall, the side edge of the front partition abuts against the side partition, the remaining edges of the front partition abut against the inner surface of the cabinet outer wall, the internal space surrounded by the cabinet outer wall is divided into a mid-high sound cavity, a bass cavity and a sound guide cavity, one side of the side partition is the sound guide cavity, and the opposite side is the mid-high sound cavity and the bass cavity, a high-pitched speaker port and at least one medium-pitched speaker are opened on the cabinet outer wall part corresponding to the mid-high sound cavity to install the speakers; a bass sound guide port is opened on the cabinet outer wall part corresponding to the sound guide cavity, the bass sound guide port is adjacent to the aforementioned at least two openings distributed on both sides of the side partition; the part of the side partition corresponding to the bass cavity is opened with a bass port to install a bass speaker towards the sound guide cavity, and the bass cavity forms a closed cavity. The speaker has good bass diving, sound image positioning, resolution and small space size.

The utility model provides a magnetic Bluetooth sound box, and relates to the technical field of Bluetooth sound boxes. Comprising a shell, a mounting frame is fixedly connected into the shell, a circuit board is fixedly installed on the mounting frame, a loudspeaker is fixedly installed on the mounting frame and located below the circuit board, a battery is fixedly installed on the side, located on the loudspeaker, of the mounting frame, and a sealing plate is clamped to the inner wall of the shell. The inner wall of the sealing plate is fixedly provided with a bass vibrating diaphragm, the product is a magnetic type Bluetooth sound box, can be adsorbed at the bottom of a mobile phone and serves as a mobile phone sound box, and the magnets adopt an arrangement mode of an N52 strong magnetic external annular magnet and an internal double-arc magnet; and a very reasonable angle is ensured to adapt to the use habits of consumers when the mobile phone is positively sucked, transversely placed and vertically placed. And under the condition that the bass effect of the products is generally poor, the special structural design is utilized to realize the additional installation of the bass vibrating diaphragm, and the tone quality and the bass effect are enhanced.

The present invention relates to a low-frequency enhancement system and method, which uses a filter to separate high-frequency signals from low-frequency signals in a sound signal at the sound source end, and then performs harmonic generation processing on the separated low-frequency signal to generate low-frequency harmonics, and then mixes the obtained low-frequency harmonics with the fundamental signal after phase shift adaptation adjustment to form a mixed signal, so that the listener's brain can perceive the low frequency at the psychoacoustic level through the generated harmonics, and calibrates the low-frequency part of the mixed signal at the propagation end through a preset calibration model, and finally the coordinated processing of the sound source end and the propagation end enables the bass effect that the listener can obtain to be enhanced. The overall architecture of the present application is relatively simple, and the system architecture is convenient to calculate and implement, and the cost is low.

The inventions relate to musical instruments and can be used in the manufacture of musical instruments for different musical genres and styles. A percussion musical instrument consists of a body having membranes fastened to the top and bottom thereof by hoops, one membrane being a percussive surface and the other being a resonant surface. A hoop is secured to the body by bolts which are disposed on the side surface and inserted into suitably adapted fasteners. Said bolts are fastened such as to allow adjustment of the tension of the percussive surface. The body and the hoop are made of a suitably rigid material, wherein the hoop is made of metal. Configured in the side surface of the body is a rectangular aperture with a sliding cover for altering the tonal range. The result is that of broadening the tonal range of the drum and achieving a rich bass sound, while making it possible to play different styles of music, communicate different striking intensities and smoothly convey the playing dynamics.

The invention relates to the technical field of Bluetooth, and discloses a dynamic bass enhancement method and system for Bluetooth equipment, and the method comprises the steps: separating a complex tone signal component and a pure tone signal component from an audio signal, so as to calculate a harmonic proportion attenuation factor of the audio signal; determining an auditory transmission distance between the Bluetooth device and the audience, and calculating a low-frequency attenuation amount of the audio signal in a transmission process; calculating the bass perception loudness of the audience, and obtaining the target bass enhancement intensity of the audience; determining a harmonic balance equivalent of an output sound field of the Bluetooth device, and calculating an effective bass enhancement amount of the Bluetooth device; and performing bass enhancement processing on the audio signal based on the effective bass enhancement quantity and the target bass enhancement intensity to obtain an enhanced audio signal. According to the invention, the dynamic bass enhancement effect of the Bluetooth device can be improved.

A kind of sound box, including cabinet and the protective cover being arranged in the front of cabinet, first acoustic cavity is equipped in the cabinet, high pitch loudspeaker assembly and bass horn assembly are equipped on the first acoustic cavity, second acoustic cavity is also equipped in the cabinet, the first acoustic cavity is communicated with second acoustic cavity by loudspeaker pipe passing through partition, the loudspeaker pipe is fixedly connected with cabinet, one end of the loudspeaker pipe is arranged in the back of high pitch loudspeaker assembly, the other end of the loudspeaker pipe is inserted into second acoustic cavity. By adding a second acoustic cavity in the cabinet and the loudspeaker pipe that is communicated with the first acoustic cavity and the second acoustic cavity, and one end of the loudspeaker pipe is arranged in the back of the high pitch loudspeaker assembly, the manufacturer selects loudspeaker pipe with different pipe diameter and different length according to actual situation, so that the inside of the loudspeaker pipe helps the reflection and resonance of sound waves, so that the utility model shows more rich tone, and then the sound performance comparable to real musical instrument.

A coaxial speaker includes a tweeter assembly, a woofer assembly, and a frame. The tweeter assembly is used to generate treble sound with a primary propagation direction along a first direction. The woofer assembly is used to generate bass sound with a primary propagation direction along the first direction. The woofer assembly includes a sound guide portion, which faces the tweeter assembly. The treble sound generated by the tweeter assembly, having a primary propagation direction along the first direction, is guided by the sound guide portion to propagate in a second direction. The tweeter assembly and woofer assembly are coaxially arranged, and the second direction is different from the first direction. The tweeter assembly and woofer assembly are mounted on the frame.

Embodiments of the present application relate to the technical field of audio products, and disclose a sound cavity structure and an electronic device. The sound cavity structure comprises a cavity body. The cavity body is provided with an inner cavity, a mounting hole in communication with the inner cavity and used for connecting a loudspeaker, and a sound outlet hole in communication with the inner cavity. The inner cavity is provided with a sound transmission channel for transmitting sound emitted by the loudspeaker to the sound outlet hole. The sound transmission channel comprises at least one layer of sub-channels arranged in the axial direction of the mounting hole, and there are a plurality of sub-channels located in a same layer. Moreover, the lengths of the plurality of sub-channels gradually increase in a direction away from the center of the inner cavity, and two adjacent sub-channels are in communication with each other. The sound cavity structure and the electronic device provided by the embodiments of the present application can enhance the bass effect of the electronic device within a limited space at low costs.

The utility model discloses an OWS earphone with excellent bass performance. The OWS earphone comprises an earphone shell, a loudspeaker module, an FPC and a bass board. The loudspeaker module is arranged in the loudspeaker cavity. The bass board is arranged in the loudspeaker cavity, the edge of the bass board is in close contact with the step, the bass board, the step and the end face of the loudspeaker cavity jointly define the bass channel, the input end of the bass channel is matched to be communicated with the loudspeaker cavity, and the output end of the bass channel is communicated with the sound outlet. According to the loudspeaker, the low-frequency component is directly emitted through the bass channel, resonance is not generated, frequency resonance can be generated in a particularly low frequency band such as 100-300 Hz, the bass enhancement effect is achieved, and the purpose of attenuating the high frequency with the short wavelength is achieved through the low-frequency component with the long wavelength without influencing the low-frequency component with the long wavelength, so that the low-frequency component with the long wavelength can be directly emitted through the low-frequency channel, and the low-frequency component with the long wavelength can be directly emitted through the low-frequency channel without generating resonance. Meanwhile, the bass board occupies a very small space and is suitable for the OWS earphone.

This speaker system comprises: a speaker unit that has, in the front face thereof, a first opening for outputting sound to ambient air; a bass reflex port that is for amplifying a low range sound of a sound from the back face of the speaker unit and that has a second opening for outputting the amplified sound to the ambient air; a plurality of acoustic tubes having hollow passages; an attachment part that includes a wall to which proximal ends of the acoustic tubes are attached, and a space enclosed by the wall; and a holding part that holds distal ends of the acoustic tubes in a prescribed positional relationship. The hollow passages are in communication with the first opening and the second opening via said space.

There is provided a speaker module for generating a bass frequency sound, comprising: a speaker frame; a diaphragm suspended on the speaker frame; a driving unit for moving the diaphragm along a movement axis of the speaker module to generate sound from the first and second radiating surfaces of the diaphragm; the first radiating surface and the second radiating surface are arranged on opposite sides of the vibrating diaphragm; wherein the driving unit comprises a magnet unit used for generating magnetic flux across an air gap and a voice coil located in the air gap when the vibrating diaphragm is static; and a housing for receiving sound generated by the second radiating surface of the diaphragm; wherein when the vibrating diaphragm is static, the total quality factor Qtc of the loudspeaker module is at least 1.8; and wherein, when the diaphragm is stationary, a magnetic flux density at the first periphery of the voice coil is 50% or less of a magnetic flux density at the second periphery of the voice coil.

A two-way bass enhancement structure, comprising a bass unit, a thick guide pipe and a thin guide pipe. The input end of the thick guide pipe is connected to the output end of the bass unit, the output end is connected to the sound outlet nozzle of the earphone, and the inner circumferential side of the output end of the thick guide pipe is provided with acoustic damping. The input end of the thin guide pipe is connected to the circumferential side of the thick guide pipe and penetrates through it, and the output end is connected to the sound outlet nozzle of the earphone. The inner diameter of the thin guide pipe is smaller than that of the thick guide pipe. The utility model can not only maintain the information amount of bass, but also directly and efficiently transmit the extremely low frequency part, thereby improving the sound quality.

A dampener for a banjo that attenuates unwanted overtones / reverberation while preserving the all-important fundamental sound with minimal reduction in bass, treble and volume. The dampener has a cylindrical outer shell having a diameter of about two inches and a length corresponding to the inner arc of the banjo. The cylindrical outer shell is formed from a cotton poplin fabric, and the filling comprises polyester fibers.

This invention discloses a sound-generating device and a display device, relating to the field of subwoofer technology. The sound-generating device includes a housing and two sound-generating units. The housing contains an independent first cavity and a second cavity, the first cavity having a larger volume than the second cavity. The first cavity communicates with the outside through a first opening on the housing, and the second cavity communicates with the outside through a second opening on the housing. The two sound-generating units are respectively installed at the first opening and the second opening. The technical solution provided by this invention uses two cavities of different sizes. The cavity with a smaller volume has a higher resonant frequency, resulting in a more powerful bass response; while the cavity with a larger volume has a lower resonant frequency, resulting in a more deep bass response. These two elements complement each other to create a deep and powerful bass performance, achieving the technical effect of satisfying both low-frequency depth and bass power in the sound-generating device.

The invention discloses a sound box sound source directivity adjusting method and a sound box, and relates to the technical field of audio equipment. The sound box comprises a box body, a first sound production part (a mid-high pitch sound post), a second sound production part (a woofer) and a rotating shaft assembly, the second sound production part is arranged on the side face of the box body, and the first sound production part is connected with the box body through the rotating shaft assembly. According to the adjusting method, biaxial rotation of the first sound production part is achieved through the rotating shaft assembly, wherein in the first axial rotation state, 0-270-degree pitch angle rotation is conducted around the horizontal axis, and in the second axial rotation state, 0-360-degree yaw angle rotation is conducted around the vertical axis. In an initial state, the two sounding parts point to the same direction; during adjustment, a pitch angle or a yaw angle can be independently selected to be adjusted to a target angle, and a damping rotating shaft of the rotating shaft assembly is matched with the shaft sleeve to provide damping force, so that the adjusted angle is kept stable, and finally, the sound source directions of the two sound production parts meet the use requirements. The method and the sound box can flexibly adapt to different listening scenes, ensure that the sound field pointing is accurate and stable, and improve the tone quality experience.

The utility model discloses a compact sound box, which is used for solving the technical problems that the overall height of the conventional three-frequency-division sound box is large and the compact design cannot be realized. The compact sound box comprises a box body, a first loudspeaker assembly and a bass loudspeaker which are arranged along the horizontal direction are arranged in the box body, and the first loudspeaker assembly comprises a high pitch loudspeaker and a middle pitch loudspeaker which are arranged along the height direction of the box body. Through the above design, the overall height of the sound box can be effectively reduced, and the compact design of the sound box can be realized, so that the sound box can be suitable for a scene with a small placement space.

The invention provides a portable sound box with a bass multiplier device, which aims to realize bass enhancement of a small-size sound box, and designs the same-direction layout of pronunciation of a high-pitch unit and the bass multiplier device so as to meet the requirements that the sound quality of the portable sound box is more unified and powerful, and the portable sound box is more concise and attractive in appearance and more convenient to use. The portable sound box also has the waterproof function and the sound box body damping function to meet different use scenes, and the sound box hanging rope is provided with the quick connecting buckle so that the sound box can be conveniently hung on different supporting bodies to be used.

The utility model relates to the technical field of bass loudspeakers, and discloses a concave-convex washer of a bass loudspeaker, which comprises a washer main body, a concentric boss is arranged at the center of the top of the washer main body, the boss is cylindrical, the height of the boss is 1 / 2 of the radius of the washer main body, the upper surface of the washer main body close to the boss is in a concentric annular recess to form a concave ring area, and the concave ring area is provided with a concave groove. The depth of the concave ring area is 1 / 2 of the height of the boss, four positioning holes surrounding the concave ring area at equal intervals are formed in the bottom of the concave ring area, three limiting grooves distributed annularly at equal intervals are formed in the outer wall of one end of the washer body, and a boss gasket is fixedly connected to the top of the boss. The sound transmission efficiency can be remarkably improved through the design of the boss and the concave ring area in cooperation with the coil, the washer body can be more stably and conveniently installed and used through the design of the equidistant surrounding positioning holes and the annular equidistant distributed limiting grooves, and the washer is more practical.