184 results about "Air conduction" patented technology

The present application mainly relates to an air conduction loudspeaker and an earphone. The air conduction loudspeaker comprises a diaphragm, a retaining ring, and a basket, wherein the diaphragm comprises a vibration body and an annular retaining part connected to the vibration body and arranged on the periphery of the vibration body in an annular configuration, the retaining ring is connected and fixed to the annular retaining part and is sleeved on the basket, the annular retaining part and the retaining ring have a first connection length in the axial direction of the air conduction loudspeaker and have a second connection length in the radial direction of the air conduction loudspeaker, and the first connection length is greater than the second connection length. In this way, the overall size of the loudspeaker can be effectively reduced while the sound quality of the loudspeaker can be effectively improved.

To provide a speaker assembly with superior acoustic performance. [Solution] The speaker assembly 3 includes a housing assembly, a bone conduction speaker 40, and an air conduction speaker 50. The housing assembly includes a main housing 31 for forming a housing space 300 with one end open. The bone conduction speaker includes a core housing 41 and a transducer device. The core housing is rotatably supported by the main housing and a portion of it is located within the housing space. The core housing is provided with a mounting space 410, the volume of which is smaller than the volume of the housing space. The transducer device is installed within the mounting space. The core housing is provided with a sound guide hole 4106 that communicates with the mounting space.

A speaker assembly is provided. The speaker assembly includes a housing assembly including a main housing, an air conduction speaker disposed within the main housing, and a bone conduction speaker rotatably supported on the main housing and being capable of rotating relative to the main housing along a preset rotation axis. A vibration direction of the air conduction speaker is parallel to the preset rotation axis, and a vibration direction of the bone conduction speaker is perpendicular to the preset rotation axis.

The invention discloses a sound production unit and head-mounted sound production equipment, and relates to the technical field of sound production devices, the sound production unit is in contact with human face skin when worn, and the sound production unit comprises a bone conduction sound production device and an air conduction sound production device which are independently arranged; the bone conduction sound production device and the air conduction sound production device can be independently controlled to produce sound, and the minimum value of the difference value between the working frequency band of the bone conduction sound production device and the low-frequency resonance point of the bone conduction sound production device is larger than or equal to 20 Hz. The sound production unit can utilize respective sound production characteristics of the bone conduction sound production device and the air conduction sound production device, so that the sound listening effect is improved, relatively strong vibration generated by vibration near a low-frequency resonance point of the bone conduction sound production device is reduced, and the use experience is improved.

The application discloses a bone conduction speech conversion method based on spectral envelope mapping, comprising the following steps: pre-processing and linear prediction analysis of the bone conduction speech signal, and calculating the LP filter coefficient; mapping the LSF coefficient of the air conduction speech signal corresponding to the bone conduction speech signal by using the trained neural network; controlling the minimum error of the original bone conduction speech signal and the synthesized air conduction speech signal according to the timbre weighting characteristic of the bone conduction speech characteristic; estimating the integer pitch of the bone conduction speech signal through the timbre weighting filter, obtaining the reference signal by passing the linear prediction residual signal through the timbre weighting filter, estimating the fractional pitch to obtain the adaptive codebook vector; obtaining the new reference signal by subtracting the adaptive codebook vector from the reference signal, searching for the optimal excitation in the fixed codebook; synthesizing the air conduction speech signal by combining the optimal excitation and the LP filter of the air conduction speech signal, and correcting the air conduction speech signal.

A speaker assembly and an earphone are provided. The speaker assembly includes a housing assembly, a bone conduction speaker, and an air conduction speaker. The housing assembly includes a main housing forming an accommodation space with an open end. The bone conduction speaker includes a core shell and a transducer. The core shell is rotatably supported on the main housing and partially located in the accommodation space. The core shell is provided with a mounting space, and a volume of the mounting space is smaller than a volume of the accommodation space. The transducer is provided in the mounting space. The core shell is provided with a sound guiding hole in flow communication with the mounting space. In this way, the speaker assembly has a better acoustic performance.

The invention discloses a waistband type wearable computer and a use method, the waistband type wearable computer is firstly tied on the waist, and then a fixing piece arranged on a guide block connected with a lower connecting magnetic head at the rear upper part of the waistband is clamped and fixed on a collar or a wearing article at the rear neck back position of a user; then the neck-hanging intelligent glasses are erected on ears and the nose bridge from the head to the bottom, and all wearing is completed; a user can carry out man-machine interaction on the waistband type wearable computer in a standing, sitting and lying posture. The mobile fine input keyboard and mouse with the PC scientific and technological productivity calculation function is achieved through the palm keyboard, and finger touch input of an intelligent mobile phone is achieved at the same time; a better voice man-machine interaction technology is realized through combined use of the bone conduction microphone sensor and the air conduction headset; the split type intelligent glasses display technology is utilized, a waistband type structure is adopted, the whole battery host and the intelligent glasses are separated, the weight of the glasses is reduced, and meanwhile pulling interference of a neck hanging line is avoided.

1. The name of the design product: hearing aid (FT-20-FT-21). 2. The use of the design product: the design product is used for compensating hearing for air conduction hearing loss patients. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

Earphone characterized in that the earphone comprises: a housing component equipped with a receiving chamber and a sound outlet opening connecting the receiving chamber to the outside environment; and an air conduction loudspeaker comprising a magnetic circuit component, a voice coil and a diaphragm, wherein the magnetic circuit component comprises a cover with an open end, wherein the diaphragm covers the open end of the cover, the voice coil is connected to the diaphragm, and the diaphragm is located on a side of the cover facing away from the sound outlet opening.

The present disclosure provides an acoustic output device including a speaker assembly. The speaker assembly may include a transducer, a diaphragm, and a housing. A vibration of the diaphragm driven by the transducer may generate an air conduction sound wave. The housing may form an accommodating chamber for accommodating the transducer and the diaphragm. The diaphragm may separate the accommodating chamber to form a first chamber and a second chamber. A sound outlet communicating with the second chamber is arranged on the housing. The air conduction sound wave is transmitted to the outside of the acoustic output device through the sound outlet. A sound guiding channel communicating with the sound outlet is provided on the housing for guiding the air conduction sound wave to a target direction outside the acoustic output device. The length of the sound guiding channel may be less than or equal to 7 mm.

The invention discloses an air conduction loudspeaker and wearable electronic equipment. The air conduction loudspeaker comprises a magnet assembly, a frame, a vibrating diaphragm and a voice coil. The magnet assembly comprises a magnetic conductive cover, and the magnetic conductive cover comprises a cylindrical side plate and a bottom plate which are integrally formed; the magnet assembly is provided with a magnetic gap extending in the preset vibration direction. The basin frame is fixedly arranged on the periphery of the magnet assembly in a surrounding manner; the outer periphery of the vibrating diaphragm is fixed with the basin frame and is arranged opposite to the magnet assembly; one end of the voice coil is fixedly connected with the diaphragm, and the other end extends into the magnetic gap; the lower surface, facing the magnet assembly, of the vibrating diaphragm is provided with a connection position connected with one end of the voice coil. The magnet assembly is provided with a top surface facing the vibrating diaphragm in a preset vibration direction; the diaphragm has a longest dimension in a direction perpendicular to the preset vibration direction. Through the mode, the vibration effect of the vibrating diaphragm can be effectively improved, and the tone quality of the wearable electronic equipment is further effectively improved.

The utility model discloses a sound production unit and a head-mounted sound production device, and relates to the technical field of sound production devices, and the sound production unit comprises a housing assembly, a bone conduction sound production device and an air conduction sound production device. The shell assembly is provided with a sound outlet hole; the bone conduction sounding device is arranged in the shell assembly; the air conduction sound production device is arranged in the shell assembly, the air conduction sound production device comprises a vibrating diaphragm assembly, the vibrating diaphragm assembly comprises a vibrating diaphragm, the shell assembly comprises a front cavity and a rear cavity which are separated by the vibrating diaphragm, and the sound outlet hole is communicated with the front cavity; the geometric center O1 of the projection of the outer contour, located on the inner wall of the shell assembly, of the sound outlet hole in the vibration direction B of the air conduction sound production device on a plane perpendicular to the vibration direction B does not coincide with the geometric center O2 of the projection of the vibrating diaphragm in the same plane in the vibration direction B. Resonance in the acoustic cavity possibly caused when the sound outlet hole and the vibrating diaphragm are concentric can be reduced, so that the sound production quality is improved.

The present disclosure relates to a diaphragm, an air conduction speaker, and a wearable electronic device. The diaphragm includes a center main body and a folded ring. The folded ring is connected to an outer peripheral edge of the center main body. The folded ring includes two arcuate segments and two connecting segments. The two arcuate segments are spaced apart and disposed opposite to each other. The two connecting segments are spaced apart side-by-side and connected one-to-one between two pairs of opposite ends of the two arcuate segments. Each arcuate segment is provided with a plurality of first pattern grooves spaced apart from each other along an extension direction of the arcuate segment. The plurality of first pattern grooves are arranged in a radial arrangement along a same spiral direction.

The invention relates to adaptive signal processing for human voice control and acoustic feedback management. More particularly, it concerns a system and method for detecting and cancelling a person's own voice, as may be perceived through airborne, bone, and soft-tissue conduction. The invention also covers related calibration, adaptive filtering, and neural-network implementations for such systems. The present invention represents a system and method for cancelling a perception of a user's own voice as perceived through airborne, bone, and soft-tissue conduction paths. The suggested solution may operate with minimal latency, adapt to individual anatomical and environmental conditions, and maintain transparency to external sounds. Furthermore, the solution incorporates calibration routines to accurately model the transmission characteristics of these paths. It also allows to employ adaptive or machine-learning techniques to refine cancellation performance in real time.

This invention relates to the field of microphone technology, specifically to a method and system for suppressing echo and howling using a combination of bone conduction and air conduction microphones, applied to a closed-loop audio device including a combination microphone, a loudspeaker, and a feedback path estimation filter. The method involves acquiring a bone conduction signal as a target sound reference through a bone conduction acquisition channel, and acquiring a microphone signal containing target sound components and echo feedback components through an air conduction acquisition channel. The feedback path estimation filter is used to estimate the feedback path of the loudspeaker signal, generating a feedback estimation signal which is subtracted from the microphone signal to obtain an error signal. The error signal is then soft-limited to obtain a soft-limiting error signal, which forms the updated loudspeaker signal. A pre-whitening filter is established based on the soft-limiting error signal to obtain a pre-whitened microphone signal, a pre-whitened loudspeaker signal, and a pre-whitening prediction error signal. A stability detection signal is generated based on the difference between the error signal and the soft-limiting error signal. In a stable state, a normalized minimum mean square branch is used for updating; in a howling-prone state, an affine projection branch is used for updating, to track feedback path changes and suppress echo and howling.

1. Name of the product in this design: Air conduction headphones. 2. Purpose of this design: For use in air-conduction headphones for playing audio, making voice calls, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This application relates to an audio signal generation method and system, and a non-transitory computer-readable medium. The audio signal generation method includes: acquiring first audio data collected by a bone conduction sensor; acquiring second audio data collected by an air conduction sensor, wherein the first audio data and the second audio data represent a user's speech, and the first audio data and the second audio data are composed of different frequency components; dividing the first audio data and the second audio data into multiple segments according to one or more frequency thresholds, wherein each segment of the first audio data corresponds to a segment of the second audio data; and splicing, fusing, and / or combining each segment of the multiple segments of the first audio data and the second audio data based on weights to generate third audio data.

The invention discloses a sound production unit and head-mounted sound production equipment, and relates to the technical field of sound production devices, and the sound production unit comprises a housing assembly, a bone conduction sound production device and an air conduction sound production device. The shell assembly comprises a shell with an opening in one end and a surface cover connected with the opening end of the shell; the bone conduction sounding device is arranged in the shell assembly and is connected with the surface cover; the air conduction sound production device is arranged in the shell assembly and is connected with the shell, and the bottom surface or the top surface of the air conduction sound production device faces the bone conduction sound production device; and the maximum magnetic flux leakage at the peripheral surface of the bone conduction sound production device is smaller than the magnetic flux leakage at the end surface of the vibration direction A of the bone conduction sound production device. The interference of the leakage flux of the bone conduction sounding device on the air conduction sounding device and electronic components in the sounding unit is reduced, and the working reliability of the sounding unit is improved.

The present specification provides an acoustic output device. The acoustic output device may include a bone conduction speaker configured to generate a bone conduction acoustic wave. The acoustic output device may also include an air-conducting speaker configured to generate an air-conducting acoustic wave, the air-conducting speaker being independent of the bone-conducting speaker. The acoustic output device may further include at least one housing configured to house the bone conduction speaker and the air conduction speaker.

The embodiment of the invention provides acoustic output equipment. The acoustic output equipment comprises a shell; the bone conduction vibrator is used for generating bone conduction sound waves and transmitting the sound waves to the cochlea through the shell to generate sound; the air conduction oscillator is used for generating air conduction sound waves, and the air conduction sound waves are transmitted to the ear parts through sound conduction holes in the shell; the signal processing module is used for providing a first audio signal and a second audio signal for the bone conduction oscillator and the air conduction oscillator respectively, the first audio signal and the second audio signal are provided with frequency division points, and the first audio signal and the second audio signal respectively comprise components with frequencies above and below the frequency division points, the bone conduction oscillator has a first harmonic peak at a first resonant frequency, the air conduction oscillator has a second harmonic peak at a second resonant frequency, and the frequency division point is larger than the first resonant frequency and the second resonant frequency.

The application relates to the field of air conduction hearing aids, in particular to a binaural loudness balance method for air conduction hearing aids, comprising a hearing aid system, which is internally provided with a system architecture module, a balance algorithm module, a hardware design module, a software design module and a personalization adjustment module. The method realizes a binaural loudness balance method for air conduction hearing aids through sound signal processing, loudness parameter estimation and personalization adjustment strategies. The method has the characteristics of real-time, accuracy and personalization, and is helpful to improve the hearing quality and comfort of hearing aid users. The method collects hearing data of patients, automatically adjusts the volume of the hearing aid by using an intelligent algorithm, and realizes binaural loudness balance. The method not only improves the balance accuracy, but also greatly improves the use experience of the patients. The user demand and use habit are deeply researched, and more intelligent and personalized loudness balance services are provided.

The application provides a hearing aid pickup regulation method based on spatial unmasking, comprising the following steps: constructing virtual spatial audio; the virtual spatial audio comprises target sound and masking sound; adjusting the bone conduction stimulation perceived loudness of a bone conduction device under the same virtual spatial audio to be equal to the air conduction device; performing speech recognition threshold test under the virtual spatial audio, and calculating the spatial separation angle of the target sound and the masking sound starting to produce spatial unmasking; performing beam incidence interference to the spatial separation angle direction above the preset spatial separation angle threshold, the application increases the GSC beam forming algorithm for regulation, and increases the beam forming algorithm for listeners with poor spatial unmasking ability; while increasing the speech recognition ability of the listener using the hearing aid, the algorithm complexity can be minimized according to the measured separation angle starting to produce spatial unmasking for regulation, and the practicability of the hearing aid is increased.

The invention discloses a sound production unit and head-mounted sound production equipment, and relates to the technical field of sound production devices.The sound production unit comprises a shell assembly, a bone conduction sound production device and an air conduction sound production device, the bone conduction sound production device and the air conduction sound production device are both arranged in the shell assembly, and the shell assembly is provided with a sound outlet through which sound of the air conduction sound production device is transmitted out; the air conduction sounding device comprises an air conduction support, an air conduction magnetic circuit assembly and a diaphragm assembly. The air-conductive magnetic circuit assembly is arranged in the air-conductive bracket and comprises an air-conductive magnetic gap; the vibrating diaphragm assembly comprises a vibrating diaphragm connected with the air conduction support and an air conduction coil connected with the vibrating diaphragm, and the air conduction coil is located in the air conduction magnetic gap; the effective radiation area Sd of the vibrating diaphragm is 0.5 cm < 2 >-1.4 cm < 2 >, so that the air conduction sound production device has proper sensitivity, better sound quality is obtained, and the sound production effect is improved.

The invention discloses a sound production unit and head-mounted sound production equipment, and relates to the technical field of sound production devices, the sound production unit comprises a bone conduction sound production device and an air conduction sound production device, and the bone conduction sound production device comprises an annular bone conduction support, a bone conduction magnetic circuit assembly, at least one bone conduction coil and at least one elastic sheet. The bone conduction support is made of a magnetic conductive material and is provided with at least one wire outlet hole, and the area of all the wire outlet holes in the peripheral surface of the bone conduction support is 0.5%-10%, so that enough space can be reserved for penetration of a lead, and the medium-high frequency sensitivity of the bone conduction sounding device can be improved; the bone conduction magnetic circuit assembly is arranged in the bone conduction bracket; the bone conducting coil surrounds the outside of the bone conducting magnetic circuit assembly and comprises a lead wire penetrating out of the wire outlet hole; the elastic sheet is connected between the bone conduction support and the bone conduction magnetic circuit assembly.

An acoustic output device is provided. The acoustic output device includes a housing, a bone conduction vibrator, an air conduction vibrator, and signal processing module. The signal processing module is configured to respectively provide a first audio signal and a second audio signal to the bone conduction vibrator and the air conduction vibrator. The first audio signal and the second audio signal have a frequency-dividing point. The first audio signal includes components with frequencies above the frequency-dividing point. The second audio signal includes components with frequencies below the frequency-dividing point. The bone conduction vibrator has a first resonance peak at a first resonant frequency. The air conduction vibrator has a second resonance peak at a second resonant frequency. The frequency-dividing point is greater than the first resonant frequency and the second resonant frequency.

The application relates to the technical field of electro-acoustic conversion, and provides a common-magnetic-field vibration bone sound conduction loudspeaker in the application embodiment, which comprises a magnetic circuit assembly, a first vibration assembly, a second vibration assembly and a shell. The first vibration assembly and the second vibration assembly are located in a magnetic field provided by the magnetic circuit assembly. The shell is provided with a sound outlet. The shell contains the magnetic circuit assembly, the first vibration assembly and the second vibration assembly. The first vibration assembly causes the shell to vibrate, and the second vibration assembly causes air to vibrate and radiate sound waves through the sound outlet. The application solves the problem of sound generation of the common-magnetic-field vibration assembly, and solves the technical difficulty that the solid medium conduction and air conduction sound sources are gathered in the same loudspeaker sound source in the common magnetic field. The application improves and increases the radiation of various different frequency sound waves to the medium, so that the human ear can hear more stereoscopic, wider frequency, louder and better sound.

The invention relates to the technical field of sound production devices, in particular to a bone and gas integrated sound production device with a coil driving elastic piece to vibrate synchronously, which comprises a lower cover plate, an upper cover plate, a vibration elastic piece, a magnetic circuit system, a driving coil and a power panel, the vibration elastic sheet, the magnetic circuit system, the driving coil and the power panel are all arranged in the assembly cavity, and the magnetic circuit system and the vibration elastic sheet are integrated and fixedly connected to form an integrated vibration structure. According to the bone-air integrated sound production device with the coil driving the elastic sheet to synchronously vibrate, the magnetic circuit system and the vibration elastic sheet are integrated and fixedly connected into an integrated vibration structure, so that a vibration transmission gap caused by split connection is eliminated, vibration of the magnetic circuit system can be synchronously and completely transmitted to the vibration elastic sheet, and energy loss in the vibration transmission process is avoided; the energy transmission efficiency of bone gas conduction sound production is improved, meanwhile, vibration signal transmission is more stable, the clarity and consistency of sound production quality are guaranteed, and the high-sound-effect sound production use requirement is met.

This application discloses an audio signal restoration method, apparatus, device, storage medium, and computer program, belonging to the field of audio processing technology. Applied to headphones, the method includes: determining low-frequency characteristics of a bone conduction audio signal acquired by a bone conduction microphone; determining a low-frequency restoration signal based on the low-frequency characteristics and a first air conduction audio signal acquired by a first air conduction microphone; determining acoustic characteristics based on the low-frequency restoration signal and the low-frequency characteristics; and determining a target audio signal based on the low-frequency restoration signal, a second air conduction audio signal acquired by at least one second air conduction microphone, and the acoustic characteristics. The embodiments of this application improve the quality and clarity of the target audio signal by simultaneously combining the bone conduction audio signal acquired by the bone conduction microphone, the first air conduction audio signal acquired by the first air conduction microphone, and the second air conduction audio signal acquired by at least one second air conduction microphone.

The invention relates to the field of air-guided hearing aids, in particular to a directional sound transmission method and system of an air-guided hearing aid, comprising a hearing aid module, an angle adjustment module, a direction adjustment module, a telescopic module and a key module, the hearing aid module comprises a hearing aid assembly, a broadcast assembly and an external annular airbag; the angle adjusting module comprises an angle adjusting assembly and an angle fixing assembly; the hearing aid is started to make a sound to check whether the hearing aid operates normally or not, and then the mode switching key adjusts the system of the control key for switching, so that the angle and the direction of the broadcasting component are respectively switched, and the directions of the ear canals of the broadcasting component are fit; then the storage assembly is controlled to store the broadcasting assembly so as to fix the angle and the direction of the broadcasting assembly, and finally the external annular air bag is started to be expanded to be conical, so that the situation that the broadcasting assembly is pushed outwards due to the shape problem to affect use is avoided while the broadcasting assembly is fixed again.

1. Name of this design product: Hearing aid in-ear air conduction head. 2. Purpose of this design: For use in the fully in-ear airway head of hearing aids. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.