97 results about "Hearing protection" patented technology

An earplug having a bamboo attenuator and a tapered body portion that includes a central shaft with bamboo attenuator disposed within and extending throughout an entirety of a hollow sheath, and contact structures which are flexible and have a successively smaller size moving from a lateral end of the tapered body portion to a medial end of the tapered body portion, and a stopper portion attached to the lateral end of the tapered body portion. The earplug provides passive, nonlinear attenuation of incoming sound to provide hearing protection to a user while allowing for comfortable use.

The invention relates to the field of aviation voice signal processing, and discloses a voice recognition compensation pilot earphone hearing protection method and system, and the method comprises the following steps: collecting multi-modal data, and separating a sound source through tensor decomposition; inferring a pilot state by using a dynamic network; performing context recognition and semantic evaluation on the attention target voice; and finally, dynamically modulating the sound field based on deep reinforcement learning, enhancing the voice in a personalized manner, and outputting after noise suppression. The system comprises a multi-mode perception data acquisition module, a sound source decoupling module, a pilot state inference module, a voice processing and semantic evaluation module and a sound field modulation and output module. According to the invention, high-fidelity speech extraction is realized through multi-modal perception and tensor decomposition; evaluating priority key information in combination with attention and semantics; and deep reinforcement learning and model prediction control are adopted to dynamically optimize the sound field, so that the voice recognition accuracy and the pilot information acquisition efficiency are improved.

1. The name of the product of this design: earphones. 2. Purpose of this design product: It has noise reduction and intelligent voice transmission functions and can be used as a hearing protector. For example, it can be used as an intelligent labor protection headset in a noisy production environment. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Figure 1. 5. Designate Design 1 as the base design.

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.

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.

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.

The present invention relates to a hearing protection device (10) comprising at least: a plug (12, 12a, 12b) intended to be placed in a user's ear and comprising a cavity, an intermediate piece (14) comprising a fixing ring (20), a main body (16) arranged between the intermediate piece (14) and the plug (12, 12a, 12b) and participating in securing the plug (12, 12a, 12b) to the intermediate piece (14), the main body (16) comprising an internal part which is received at least partially in the cavity of the plug (12, 12a, 12b) and an external part which extends outside the cavity (84) of the plug (12, 12a, 12b) and around which the fixing ring (20) of the intermediate piece (14) is mounted, the main body (16) being secured to the plug (12, 12a, 12b) by a bayonet-type attachment. Figure for the abstract: 1

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).

A hearing protection device includes a controller configured to calculate a proximity indicator associated with a proximal hearing protection device and exchange, by a communication unit, a metadata with the proximal hearing protection device if the proximity indicator is below a first threshold value. The metadata includes a unique number associated with a proximal cellular device. Upon receiving, by the actuator, an initiation input from a user, the controller is further configured to determine, by an audio input device, an ambient sound level. The controller is further configured to transmit, by the communication unit, an initiation signal to a cellular device to initiate a proximal telephone call with the proximal cellular device using the unique number if the ambient sound level is above a second threshold value. The hearing protection device receives a proximal audio signal from the proximal hearing protection device via the proximal telephone call.

The present invention relates to hearing protection (10) comprising at least: a plug (12, 12a, 12b) intended to be placed in a user's ear, an intermediate piece (14) fixed to the plug and comprising a sleeve (18) on which a gripping member (26) is mounted by a pivot connection so as to allow rotation of the gripping member (26) relative to the intermediate piece (14) around an axis of rotation. Figure for the abstract: 1

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 inventive subject matter provides a method for hearing protection by measuring real-time ambient noise level and user's perceived noise level using a headphone. The method may monitor environmental noise in the headphone and calculate the sound level difference between the environment and the perception for in-ear / ear entry point sound pressure level measurement in hearing protection assessment, thereby providing suggestions in terms of hearing protection for the user, by using a headphone with its existing hardware architecture, without adding any components in addition.

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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.