74 results about "Hearing protection" patented technology

A communication device for a hearing protection system comprising one or more hearing protection devices. The communication device comprises a processing unit, a memory, and an interface. The interface comprises a first hearing protection device interface comprising a first connector for connection of a hearing protection device. The interface comprises a second hearing protection device interface comprising a second connector for connection of a hearing protection device. The first connector and the second connector are of the same connector type.

The invention relates to the technical field of biostatistics, and discloses a noise language frequency hearing impairment prediction system based on a GEE model and genetic characteristics, and the system comprises a data collection module which collects follow-up visit data of a worker; the data processing module is used for generating a standardized modeling data set; the feature screening module is used for screening features through a statistical learning method to obtain a key feature subset; the time-varying interaction module is used for constructing a generalized estimation equation model and outputting regression coefficient estimation; the risk prediction module outputs the risk probability and the risk layering result of the individual; the decision support module is used for generating hearing protection suggestions of the individuals; according to the method, the generalized estimation equation model is constructed to process follow-up data of occupational noise exposure workers, so that the accuracy and the stability of language frequency hearing loss risk prediction are improved, a basis is provided for formulating a personalized hearing protection scheme and recommending a proper hearing protection device, and the method is suitable for popularization and application. And the transformation of occupational hearing loss from passive treatment to active prevention is facilitated.

The application relates to the technical field of audio processing, in particular to an audio processing method, an electronic device and a readable storage medium. In the method, a sound signal is received by a device that can be worn on the ear of a user, then the sound signal is divided into a low-frequency sound signal and a high-frequency sound signal by using a filter, and a steady-state sound signal and a transient sound signal in the low-frequency sound signal and the high-frequency sound signal are extracted. The steady-state sound signal and the transient sound signal are processed based on the individual calibration parameters corresponding to the user, so that the calibrated sound signal finally heard by the user conforms to the target psychoacoustic loudness of the user. In this way, the hearing protection of the user can be realized.

A hearing protection device to be worn in ear provides communications of ambient sound to an in-ear speaker. Blast noise is detected and measured using either the in-ear speaker as a microphone or using a separate in-ear microphone.

The utility model discloses a strong pulse noise hearing protection circuit which comprises a signal input end and a signal output end. The pulse amplitude limiting module circuit is connected with the signal input end and the signal output end and is used for carrying out pulse amplitude limiting processing on the input signal; the azimuth sensing circuit is connected with the signal input end and is used for sensing azimuth information of the input signal; the delay control module circuit is connected with the signal input end, the pulse amplitude limiting module circuit and the direction sensing circuit; according to the utility model, through cooperative work of the pulse amplitude limiting module circuit, the orientation sensing circuit and the time delay control module circuit, comprehensive processing of input signals is realized, and the pulse amplitude limiting module circuit ensures that output signals do not exceed a preset maximum amplitude; the azimuth sensing circuit extracts and transmits azimuth information of the input signal; and the delay control module circuit performs delay control on the signal according to the azimuth information and the preset condition, so that the circuit can output the signal meeting the specific requirement, and the requirements of various application scenes are met.

The present invention relates to an audio device with a housing, a microphone arm and a detector for determining an orientation of the microphone arm relative to the housing. The invention may advantageously be applied in audio devices having a microphone arm, such as headsets, earphones, hearing protectors and other audio devices used for sound pickup.The audio device comprises a housing, a microphone arm that is mechanically and movably connected to the housing, a microphone unit arranged at or in the microphone arm and configured to pick up sound from the environment of the audio device and provide a corresponding microphone audio signal, a signal processor arranged at or in the housing and configured to provide electric power to the microphone unit, and a flexible substrate extending in a length direction between a first end mechanically connected to the housing and a second opposite end mechanically connected to the microphone arm.The flexible substrate is configured to bend in dependence on the microphone arm moving relative to the housing and comprises one or more electrical conductors electrically connecting the microphone unit and the signal processor to convey the electric power from the signal processor to the microphone unit and / or the microphone audio signal from the microphone unit to the signal processor.The flexible substrate further comprises a bend sensor that is configured to change the value of an electric property in dependence on a bending of a first portion of the flexible substrate, and the audio device further comprises a bend detector electrically connected to the bend sensor and configured to estimate an orientation of the microphone arm relative to the housing in dependence on the value of the electric property of the bend sensor.Arranging the bend sensor at or in the flexible substrate may provide a both reliable and cost-effective estimation of the orientation of the microphone arm.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive environmental sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received environmental sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to play the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive second attenuation function details from a second in-ear protection device. The processor is configured to calculate first attenuation function details and compare the first attenuation function details to the second attenuation function details. The attenuation function performed is based on one of the first attenuation function details and the second attenuation function details.

The utility model relates to the field of protective equipment, in particular to a protective tool capable of quickly replacing ears. Comprising a left protection plate, a right protection plate, connecting belts and earmuffs, a plurality of mounting holes are formed in the left protection plate and the right protection plate in the shape direction, the connecting belts are arranged in the mounting holes, the earmuffs are arranged on the outer side of the left protection plate and the outer side of the right protection plate in a sleeving mode, and the earmuffs are arranged in the mounting holes. A plurality of first heat dissipation holes are formed in the middle of the left protection plate and the middle of the right protection plate, a chin support is arranged on the connecting belt on the front side of the right protection plate in a sliding mode, a buckle is arranged on the lower side of the left protection plate, a lock catch is arranged at the tail end of the connecting belt on the front side of the right protection plate, and the buckle is matched with the lock catch. The flexible earmuffs are designed on the outer sides of the rigid protection plates in a customized mode, it is ensured that each user can obtain the best wearing experience, the earmuffs have the rapid replacement capacity, and meanwhile the protection plates with radians inside ensure the good protection effect.

The invention discloses an automatic forming device for manufacturing a hearing protector, and belongs to the technical field of hearing protector production, the automatic forming device comprises a processing machine tool used for carrying out mechanical combination processing on a hearing protector component, the hearing protector component is composed of a head band, two earmuff shells and two sound insulation linings, two symmetrically-arranged machining guide rails are fixed to the machining machine tool and connected with an assembling mechanical arm through an assembling sliding base. Through the arrangement of the untwisting assembly, the problem of hidden damage of a precise injection molding part of the earmuff shell in the screw locking link can be solved by utilizing the excursion of the earmuff shell caused by overlarge torsion or too deep screwing of a screw, the deformation of a buffer airbag due to extrusion of an end limiting concave block and the triggering of sudden stop of an abrupt change air pressure sensor; the right-angle fixed steering base can be used for controlling the adsorption pad to horizontally calibrate the sound insulation lining for assembling and processing, and it is ensured that the thickness and the bonding position of the sound insulation lining of the double-earmuff shell are completely consistent.

A hearing protection apparatus has a pair of assemblies, each assembly including a body, an attachment facility connected to the body and configured to removably receive a lower edge of a hat, a retractable tether extending from the body and having a free end, and an earplug attached to the free end of the retractable tether. The attachment facility may be a clip defining an upwardly open channel. There may be a hat having opposed right and left edge locations each proximate to a wearer's ear, and the attachment facilities may be connected respectively to the right and left edge locations. A retraction actuator may be connected to the body and operable to retract the tethers to a retracted condition in response to actuation of the retraction actuator. There may be separate retraction actuators for each assembly, the retraction actuators being operable independently of each other.

This utility model discloses an automatic noise-canceling earplug dispensing device with hand-cleaning function, including a cabinet, a retrieval window, a hand-cleaning window, a transmission component, a disinfectant triggering component, and a main control unit. The cabinet contains a storage compartment for holding the noise-canceling earplugs; the retrieval window and the hand-cleaning window are located on the outer surface of the cabinet; a transport channel connects the storage compartment and the retrieval window; a disinfectant spray nozzle is located at the hand-cleaning window; the transmission component controls the noise-canceling earplugs to travel through the transport channel to the retrieval window; the disinfectant triggering component receives a release signal and controls the disinfectant spray nozzle to release quick-drying cleaning disinfectant; the main control unit drives the disinfectant triggering component and the transmission component, and ensures that the transmission component is enabled after the disinfectant is released from the disinfectant spray nozzle. This utility model ensures that the user's hands are cleaned and disinfected before using the noise-canceling earplugs, guaranteeing hearing protection while reducing the risk of ear canal infection.

This invention belongs to the field of noise-induced tinnitus protection technology, specifically disclosing a noise-induced tinnitus protection device, including protective earmuffs, a headband, and an adaptive acoustic adjustment device. It achieves "precise targeting" of harmful noise through a Helmholtz resonant cavity array and innovatively introduces a volume adaptive adjustment mechanism, allowing the silencing frequency to dynamically match the individual and the environment. Furthermore, it combines a reed-non-Newtonian fluid coupling intelligent response unit to achieve real-time changes in acoustic impedance with noise intensity, realizing dynamic and adaptive secondary silencing. The entire device requires no electricity, ensuring wideband noise reduction while effectively attenuating key frequency bands that induce tinnitus, providing a comfortable, intelligent, and reliable active hearing protection solution from the root cause.

The invention discloses a curcumin-loaded targeted cell membrane derived vesicle delivery system and application thereof, and belongs to the field of biological medicine. The invention relates to a curcumin-loaded targeted cell membrane derived vesicle delivery system, which comprises a cell membrane vesicle; the IETP2 ear-targeted polypeptide is modified on the surface of the cell membrane vesicle; and the curcumin is encapsulated in the cell membrane vesicles. Compared with the prior art, the curcumin has the advantages that the curcumin is systematically illuminated for the first time to improve the mitochondrial function and inhibit oxidative stress and apoptosis to prevent and treat the drug-induced deafness by regulating cAMP / PKA / CREB pathways; the cell membrane derived vesicles modified by the IETP2 polypeptide are used as a targeted delivery system of curcumin, and accumulation of drugs in cochlea is remarkably improved; an animal model verifies that the delivery system has a stronger hearing protection effect and better biological safety compared with free curcumin.

The present disclosure relates to a hearing protection device (10, 10′, 10″) with an indication unit (40a, 40b) and a detection unit (30, 30′, 30″) to send a first detection signal, to assign a distance value based on a second detection signal of an external device (50, 50′) representing the physical distance to the external device (50, 50′) and to control the indication unit (40a, 40b) to provide an indication to the user (100) if the assigned distance value is at or below a predetermined threshold distance value. Thus, a collision may easily and reliably be prevented by providing an indication to the user (100), so that the risk of missing relevant sound of a moving person or object is overcome. A collision warning system comprising such a hearing protection device (10, 10′, 10″) and an external device is also provided. Furthermore, a method of retrofitting a hearing protection device (10′″) with such a detection unit (30, 30′, 30″) is provided.

A communication device for a hearing protection apparatus comprising a hearing protection device is disclosed. The communication device comprises a processing unit, a memory, a radio interface, and a hearing protection device interface. The communication device also comprises a modular button assembly comprising a wireless interface. The processing unit of the communication device is configured to obtain a first input from the hearing protection device and / or transmit a first output to the hearing protection device via the hearing protection device interface. The radio interface comprises a radio connector that comprises terminals for wired connection to a radio unit. The processing unit is configured to obtain a second input from the radio unit and / or transmit a second output to the radio unit via the radio interface.

The present invention relates to an audio device with a housing, a microphone arm and a detector for determining an orientation of the microphone arm relative to the housing. The invention may advantageously be applied in audio devices having a microphone arm, such as headsets, earphones, hearing protectors and other audio devices used for sound pickup. The audio device (1) comprises a housing (2), a microphone arm (3) that is mechanically and movably connected to the housing (2), a microphone unit (4) arranged at or in the microphone arm (3) and configured to pick up sound (5) from the environment of the audio device (1) and provide a corresponding microphone audio signal (M), a signal processor (5) arranged at or in the housing (2) and configured to provide electric power (P) to the microphone unit (4), and a flexible substrate (6) extending in a length direction (L) between a first end (7) mechanically connected to the housing (2) and a second opposite end (8) mechanically connected to the microphone arm (3). The flexible substrate (6) is configured to bend in dependence on the microphone arm (3) moving relative to the housing (2) and comprises one or more electrical conductors (9) electrically connecting the microphone unit (4) and the signal processor (5) to convey the electric power (P) from the signal processor (5) to the microphone unit (4) and / or the microphone audio signal (M) from the microphone unit (4) to the signal processor (5). The flexible substrate (6) further comprises a bend sensor (10) that is configured to change the value of an electric property in dependence on a bending of a first portion (11) of the flexible substrate (6), and the audio device (1) further comprises a bend detector (12) electrically connected to the bend sensor (10) and configured to estimate an orientation (O) of the microphone arm (3) relative to the housing (2) in dependence on the value of the electric property of the bend sensor (10). Arranging the bend sensor (10) at or in the flexible substrate (6) may provide a both reliable and cost-effective estimation of the orientation (O) of the microphone arm (43).

the radio unit via the radio interface. 20 25 28 35 31 18 D ec 2 02 5 2 0 2 5 2 8 3 5 3 1 1 8 D e c 2 0 2 5 A B S T R A C T Fig. 2 2 6 40 18 16 4 1 3A 8 3B 14 12 10 24 20 22 26 28 30, 32, 50 34, 36, 36A, 50 M_1 36B, M_2 Com_1, Com_2 44 42 46 48 2 / 4 200 2 1 3B 26 3A 28 14 20 6 40 Y Y 12 4 20 25 28 35 31 18 D ec 2 02 5 D e c 2 0 2 5 2 2 0 2 5 2 8 3 5 3 1 1 8 8 2 2 2 6 3 A 2 8 1 4 1 6 6 4 0 Y Y 1 0 4 4 1 2 4

This utility model discloses a smart earphone with hearing protection components, relating to the field of earphone technology. It includes an earphone case assembly comprising a case body, a lid rotatably connected to the case body, a placement seat fixedly connected inside the case body, an anti-dislodgement seat fixedly connected inside the lid, a slot on the lid, a fixing member installed on the case body, and a charging base slidably connected inside the placement seat; a smart earphone body placed inside the placement seat and in contact with the surface of the anti-dislodgement seat; and a triggering mechanism installed on the case body, including a support member fixedly connected to the inner wall of the case body. This utility model effectively protects the smart earphone through the earphone case assembly, preventing it from easily opening even when dropped or impacted, reducing the risk of the earphone falling out and being damaged. The triggering mechanism allows for easy removal of the earphone without forceful pulling, reducing the time spent retrieving the earphone in emergency situations, especially when hands are sweaty or oily, which increases the risk of slippage.

Aspects of the present disclosure are directed to an in-ear active hearing protection apparatus comprising a housing sized and shaped for placement in a user's ear canal, a microphone to receive sound, a speaker to deliver an output audio signal, and a control circuit operably coupled to both. In some examples, the control circuit operates in an independent mode using a first level-dependent function, and upon detecting a second hearing protection system, switches to a dual hearing protection mode. In the dual mode, the control circuit applies a second level-dependent function different from the first, producing an audio signal at a reduced level while mitigating distortion that can occur when two level-dependent devices are used together.

the radio unit via the radio interface. 20 25 28 35 24 17 D ec 2 02 5 2 0 2 5 2 8 3 5 2 4 1 7 D e c 2 0 2 5 A B S T R A C T 1 / 3 200 6 1 2 10 24B 16, 17 12A, 4 40, 41 12B 24A 18 10A, 10B 22 36 30 50 14 52 34 38 32 -24C 54 39 20 26 24 Fig. 1 20 25 28 35 24 17 D ec 2 02 5 D e c 2 0 2 5 1 / 3 2 0 0 2 0 2 5 2 8 3 5 2 4 1 7 2 4 B 4 2 4 A 1 8 1 0 A , 1 0 B 2 2 3 6 3 0 5 0 1 4 K 5 2 3 4 3 8 3 2 2 4 C 5 4 3 9 2 0 2 6 2 4

Systems and methods for check a relative sensitivity of two or more microphones of a hearing protection device include sensing ambient sound using two or more microphones of the hearing protection device and sampling the ambient sound. The samples of the ambient sound may be used to determine whether the ambient sound is adequate for determining microphone sensitivity and to determine whether a threshold relative sensitivity of the two or more microphones is reached. A pass or fail indication may be provided to a user based on whether the threshold relative sensitivity is reached.

The invention provides a hearing protection device (10, 10', 10") with an indication unit (40a, 40b) and a detection unit (30, 30', 30") to transmit a first detection signal, to assign a distance value representing a physical distance to an external device (50, 50') based on a second detection signal of the external device (50, 50'), and to control the indication unit (40a, 40b) to provide an indication to a user (100) in case the assigned distance value is equal to or below a predetermined threshold distance value. Thus, a collision can be easily and reliably prevented by providing an indication to the user (100) such that the risk of losing the relevant sound of a person or object moving is overcome. A collision warning system comprising such a hearing protection device (10, 10', 10") and an external device is also provided. Furthermore, a method of retrofitting a hearing protection device (10'") with such a detection unit (30, 30', 30") is provided.

The embodiment of the application provides an audio output method and device based on a hearing protection device and electronic equipment, and relates to the technical field of audio extraction. The audio output method based on the hearing protection device comprises the following steps: receiving a first audio signal, a second audio signal and a third audio signal subjected to physical noise reduction by an ear cover; performing extraction processing on the received first audio signal based on a predetermined characteristic audio extraction mode to obtain a target audio signal; performing active noise reduction processing on the target audio signal based on the received second audio signal and the third audio signal to obtain a target audio signal subjected to noise reduction processing; and outputting the target audio signal subjected to noise reduction processing through a loudspeaker of the ear cover. It can be seen that the present scheme can provide hearing protection for on-site personnel in a strong noise environment while ensuring that the on-site personnel can receive audio that belongs to effective audio signals from the outside world.

Method and system of enabling hearing protection for riders of motorcycles, or similar vehicles, rely on establishing a quantitative relationship of sound-pressure level (SPL) within a helmet to the magnitude of effective wind velocity with respect to the helmet. The helmet is equipped with instruments for measuring SPL, travel speed, and travel direction, as well as a controller configured to communicate with a wearer. The quantitative relationship is determined during a training journey. At any point during any subsequent journey, instruments' measurements together with the established quantitative relationship yield the ground wind velocity as well as the magnitude of effective wind velocity. A rider's permissible SPL exposure is determined from respective sound-pressure exposure history and approved hearing-health-care guidelines. A corresponding permissible effective wind speed is determined from the established quantitative relationship. A permissible travel speed is then determined from measured travel speed and direction, and the permissible effective wind speed.

This invention provides a hearing protection method and device during the handheld hands-free mode switching process. The invention enables a brief reduction in the gain of the playback volume of the voice playback device in speaker mode when the device is obstructed; and allows the playback volume to automatically and gradually recover. Thus, when a mobile device is accidentally switched from handheld mode to hands-free mode, the playback volume of the voice playback device in speaker mode can be limited to prevent excessive volume and ensure that the playback volume in hands-free mode does not suddenly increase. The volume can be gradually increased to give the user's ears time to adjust.

The application relates to the terminal field and provides a display method of listening information and an electronic device. The display method is applied to the electronic device, and the display method comprises the following steps: a first interface is displayed, the first interface comprises a first control; a first operation on the first control is detected; in response to the first operation, a hearing protection mode of the electronic device is started; it is detected that the electronic device is connected with an audio playing device, the audio playing device is a wearable device of a user; listening information of the user is acquired, the listening information comprises volume information and time information, the volume information is used for indicating the volume size of the listening of the user through the audio playing device, and the time information is used for indicating the listening duration of the user through the audio playing device at different volume sizes; a second interface is displayed, and the second interface comprises the volume information and the time information. Based on the technical scheme of the application, the listening habit of the user can be accurately reflected based on multi-dimensional information, and the hearing protection of the user is facilitated.

1. The name of the present design product: earphone box operation graphic user interface of electronic equipment. 2. The use of the present design product: for electronic equipment. 3. The design points of the present design product: in the graphic user interface. 4. The picture or photo that best indicates the design points: interface change state diagram 1. 5. The electronic equipment of the present design product is of a conventional design, and other views are omitted. 6. The use of the graphic user interface: the interface is used for the operation and setting of the earphone box. 7. The change state description of the graphic user interface: the front view is the interface displayed when the earphone box is powered on; interface change state diagram 1 is the interface automatically jumped to after waiting for a moment in the front view; interface change state diagram 2 is the interface displayed after clicking the "play" button in interface change state diagram 1; interface change state diagram 3 is the interface displayed after sliding to the left in interface change state diagram 2; interface change state diagram 4 is the interface displayed after sliding to the left in interface change state diagram 3; interface change state diagram 5 is the interface displayed after clicking "hearing protection" in interface change state diagram 4; interface change state diagram 6 is the interface displayed after sliding to the left in interface change state diagram 5; interface change state diagram 7 is the interface displayed after sliding to the left in interface change state diagram 6; interface change state diagram 8 is the interface displayed after clicking the "Dolby sound" option in interface change state diagram 7; interface change state diagram 9 is the interface displayed after sliding to the left in interface change state diagram 8; interface change state diagram 10 is the interface displayed after sliding to the left in interface change state diagram 9; interface change state diagram 11 is the interface displayed after sliding to the left in interface change state diagram 10; interface change state diagram 12 is the interface displayed after clicking the "play" button in interface change state diagram 11; interface change state diagram 13 is the interface displayed after sliding to the left in interface change state diagram 12; interface change state diagram 14 is the interface displayed after sliding to the left in interface change state diagram 13; interface change state diagram 15 is the interface displayed after sliding to the left in interface change state diagram 14; interface change state diagram 16 is the interface displayed after clicking the " > " button in interface change state diagram 15; interface change state diagram 17 is the interface displayed after sliding to the left in interface change state diagram 16; interface change state diagram 18 is the interface displayed after sliding to the left in interface change state diagram 17.

The invention belongs to the technical field of earmuffs, and relates to a multi-layer composite structure protective earmuff, which comprises an outer shell, an inner shell, a sound absorption interlayer, composite sound absorption foam, a mounting ring, a connecting ring and buffer foam, and is characterized in that the outer shell and the inner shell are clamped on one side of the mounting ring, and the inner shell and the outer shell are arranged at an interval; a mounting cavity is formed between the inner shell and the outer shell, the sound absorption interlayer is located in the mounting cavity, and the composite sound absorption foam is connected with the inner wall of the inner shell; the connecting ring is clamped on the other side of the mounting ring, and the buffer foam is connected with the connecting ring; wherein the sound absorption interlayer comprises a baffle and a spiral unit, the spiral unit is connected with the baffle, the spiral unit comprises spiral walls, and a spiral channel is formed between the spiral walls; according to the protective earmuff, multiple layers of structures work cooperatively, high-strength hearing protection can be achieved only through a physical structure, the system stability is high, the safety performance is higher, and the protective earmuff can be suitable for more complex and violent noise environments.

The application discloses a kind of professional noise exposure individualized noise reduction earplug self-adapting filtering method and system, its method includes: outward microphone picks up environmental sound stream;DSP carries out real-time acoustic scene decomposition, decomposes sound using time-frequency analysis, and identifies "human voice", "alarm" and other safety key acoustic events in real time by lightweight CNN;DSP combines personal audiogram, and executes frequency band adaptive noise reduction strategy: attenuates reverse wave to background noise frequency band;Safety key acoustic event frequency band is removed from noise reduction, and is played after individualized gain compensation according to personal audiogram.The application realizes the perfect fusion of hearing protection and context awareness, while protecting hearing, distortionlessly retains key safety information, greatly improves the wearing compliance and work safety of noise reduction earplug.

A two-way radio device for hearing protection devices provides communication capabilities to users wearing hearing protection devices, which would ordinarily hinder or block communication. The two-way radio device removably attaches to a portion of a hearing protection device and connects to the speakers thereof. One or more wireless transceivers provide wireless transmission of audio between users of hearing protection devices enhanced with the two-way radio device. Users remain protected by their hearing protection devices and while communicating freely in high decibel environments.