15 results about "Noise exposure" patented technology

The application discloses a noise reduction unit, which comprises a magneto-rheological noise reduction layer, an enclosed shell filled with magneto-rheological fluid, an iron core wrapped outside the enclosed shell, and a conductive coil wound outside the iron core, and an upper substrate and a lower substrate arranged on the upper and lower sides of the magneto-rheological noise reduction layer respectively. The application also discloses a noise reduction unit and a control method. The noise reduction unit has simple structure, strong versatility, and is suitable for standardization and mass production. The noise reduction unit can be conveniently adjusted according to the shape of the noise reduction target, the environment and other factors. The magneto-rheological noise reduction layer has good sound insulation and noise reduction effect on the wide frequency band and the high noise of the medium and low frequency of the industrial complex environment noise spectrum, and can adjust the noise reduction performance in real time according to the change of the noise spectrum characteristics caused by the production conditions switching and the like, so as to effectively reduce the noise exposure level of workers and effectively reduce the occupational health damage caused by high noise.

Method for reducing noise exposure caused by medical instruments (2), wherein at least one microphone (1) acquires sound signal data of a sound signal (12), wherein the sound signal data is transmitted to a computing device (4), wherein the computing device (4) generates anti-noise signal data (5) using an artificial intelligence-based method, wherein a bone conduction receiver (6) generates an anti-noise signal (13) based on the anti-noise signal data (5), and wherein the anti-noise signal (13) interacts with the sound signal (12) in such a way as to reduce noise exposure, characterized in that at least one electrocardiography sensor (8) acquires electrocardiography data and / or that at least one body temperature sensor (9) acquires body temperature data and / or that electrodermal data is acquired via an electrodermal sensor (10).and that the electrocardiography data and / or the body temperature data and / or the electrodermal data are transmitted to the computing unit (4) and that, based on the electrocardiography data and / or the electrodermal data and / or the body temperature data, stress management data is generated by the computing unit (4) using the artificial intelligence-based algorithm, and that, based on the stress management data, a display of a virtual reality headset (19) is controlled and / or a sound emission of the bone conduction receiver (6) is controlled.

To provide a user interface and technology for using a computer system (for example, an electronic device) to manage audio exposure.SOLUTION: An electronic device displays a graphical display having a noise exposure level over a first period, having a graphical display region colored so as to represent the noise exposure level. The color of the region transits from a first color to a second color when the noise exposure level exceeds a first threshold value. The electronic device displays the noise exposure level resulting from a first output device type and a second output device type, and visually distinguishes a set of the noise exposure levels resulting from the second output device type in response to selection of a filtering affordance.SELECTED DRAWING: Figure 6A

The invention discloses a hearing health prompting device and a related device. The method comprises the following steps: acquiring in-ear audio data through an in-ear microphone of a first earphone; displaying the first progress information of the noise exposure in the first period on the volume bar; the first progress information is determined based on the audio data within the ear within the first period. Therefore, the real-time progress information of the noise exposure is displayed to the user on the volume bar to prompt the user to pay attention to the risk of the noise exposure to hearing health, so that the user can conveniently turn down the volume of the earphone or reduce the wearing time of the earphone in time, thereby avoiding hearing impairment.

The application discloses application of stachydrine in preparation of a drug for preventing and treating hearing loss. The application first proposes and verifies that stachydrine can effectively protect cochlear hair cells and ribbon synapses from damage caused by noise exposure, significantly alleviate the hearing threshold increase after noise exposure, and effectively save the hearing loss. The application provides a new choice for preventing and treating noise-induced hearing loss, and has a good clinical application prospect.

The invention belongs to the technical field of biological medicines, and particularly relates to application of neratinib in preparation of a medicine for preventing and treating noise-induced deafness. According to the specific technical scheme, the application of the neratinib in preparation of the medicine for preventing and treating hearing impairment / deafness is provided. According to the invention, the fact that neratinib can play a hearing protection role by specifically regulating and controlling cochlea immune microenvironment is found for the first time, and the hearing protection role is specifically realized by the following mechanisms: regulating and controlling biological effects such as cell signal channels, inflammatory response and cell stress response, protecting hair cell structures, and reducing cochlea basilar membrane outer hair cell loss caused by noise exposure. Based on the new discovery of the invention, the neratinib can be used for preparing medicines for preventing and treating hearing impairment and deafness caused by noise.

The invention discloses application of cimicifugin in preparation of a medicine for preventing or treating inner ear hair cell injury, and belongs to the technical field of biological medicine. According to the invention, it is found for the first time that a natural compound cimifugin has a definite inner ear hair cell protection effect. By inhibiting hair cell apoptosis and reducing hearing synapse loss and hearing nerve fiber injury, the cimicifugin effectively relieves hair cell injury and hearing function decline caused by cis-platinum and other drugs, noise exposure and aging. The protection mechanism is related to inhibition of activation of a pro-apoptosis signal. The preferred administration mode is local administration, especially delivery through a round window membrane, and the dosage form can be a solution, a suspension or a sustained release preparation. Cell, in-vitro hair cell tissue and animal model experiments prove that the cimicifugin can obviously relieve hair cell damage and improve the auditory function. The invention provides a new drug candidate scheme for preventing and treating sensorineural hearing loss, and has important clinical application value.

The application belongs to the technical field of sound recognition, and discloses a construction method of a passive acoustic recognition system for sound fish behavior and physiological state, comprising the following steps: S1, constructing a sound collection test platform for sound fish; S2, performing natural sound emission test, different breeding behavior sound emission test and sound emission test of sound fish in disease state under noise exposure on the test platform; S3, collecting acoustic signals in each sound emission test process of step S2, and performing feature extraction on the acoustic signals; S4, training the features by using a convolutional neural network and a stacked autoencoder to obtain a mapping model of "sound feature-state anomaly" of the sound fish. The application utilizes the special sound emission characteristics of the sound fish, constructs a passive acoustic monitoring mode, completely eliminates the interference and stress caused by external energy injection on the fish group, realizes zero-invasion monitoring of the cultured objects, and realizes deep and integrated evaluation and early warning of the breeding potential and health level of the sound fish.

The present disclosure generally relates to user interfaces for managing audio exposure, particularly user interfaces and techniques for managing audio exposure using a computer system (e.g., an electronic device). According to some embodiments, the electronic device displays a graphical indication of noise exposure levels over a first period of time, where an area of the graphical indication is colored to represent the noise exposure levels, the color of the area transitioning from a first color to a second color when the noise exposure levels exceed a first threshold. According to some embodiments, the electronic device displays noise exposure levels attributable to a first output device type and a second output device type, and in response to selection of a filter affordance, visually distinguishes a set of noise exposure levels attributable to the second output device type.

Acquired hearing loss due to chemotherapy or noise exposure is a major health problem, and Cisplatin chemotherapy often causes permanent hearing loss in cancer patients. However, there are no FDA-approved drugs for the treatment or prevention of Cisplatin- or noise-induced hearing loss. In one aspect, use of Niclosamide, Ingenol, and Elesclomol as an active agent to treat a hearing impairment and to prevent a hearing impairment, and methods of treating and / or preventing hearing impairments or disorders using the compositions are disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

The invention belongs to the field of biological medicines, and particularly relates to application of penicillamine in preparation of a medicine for preventing and treating noise-induced deafness. According to the specific technical scheme, the application of the penicillamine in preparing the medicine for preventing and treating hearing impairment / deafness is provided. The hearing disorder and / or deafness is caused by noise. It is found for the first time that penicillamine can play a hearing protection role by specifically regulating a cochlea immune microenvironment, and the hearing protection role is specifically achieved through the following mechanisms: inhibition of T cell activation: interference of a TCR signal channel; the hair cell structure is protected; the cochlea basilar membrane outer hair cell loss caused by noise exposure is reduced. Based on the new discovery of the invention, the penicillamine can be used for preventing and treating hearing impairment and deafness caused by noise.

A system and method to measure noise reduction and evaluate the contributions of various sound sources to noise exposure dose of exposition using electro-acoustic earplugs is provided. The system may be implemented as an advanced HPD in the form of an electro-acoustical earplug. The earplug comprises an OEM 10 and an IEM. The system is configured to calculate an estimated IEM signal based on calculation of estimates of residual ambient noise, payback sounds or WID present in the ear canal.

The embodiment of the invention relates to the technical field of vehicles, and discloses an in-vehicle noise detection control method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring driving state data and user state data in real time; when the decibel value of the in-vehicle noise is larger than a preset decibel value, the noise type and the noise position of the in-vehicle noise are determined based on the driving state data; evaluating the noise exposure degree of the noise in the vehicle according to the noise type, the noise position, the user state data and a predefined noise influence matrix; determining a current vehicle using scene according to the user state data, and generating a vehicle control strategy at least based on the current vehicle using scene and the noise exposure degree; and adjusting the vehicle running state based on the vehicle control strategy to eliminate the noise in the vehicle. The problem that in the vehicle driving process, due to diversified noise interference, the user experience is poor is at least solved, the vehicle using experience of a user is improved, and the acoustic comfort in a vehicle is improved.

Acquired hearing loss due to chemotherapy or noise exposure is a major health problem and cisplatin chemotherapy often results in permanent hearing loss in cancer patients. However, there are no FDA-approved drugs for the treatment or prevention of cisplatin- or noise-induced hearing loss. In one aspect, the use of niclosamide, murolic acid, and ilesidomine as active agents to treat and prevent hearing impairment, and methods of using the compositions to treat and / or prevent hearing impairment or disorders are disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to limit the present application.

The application discloses a kind of considering the noise exposure evaluation method and system of unmanned aerial vehicle, the method includes: obtaining city environment data and unmanned aerial vehicle related data, the sound source modeling of unmanned aerial vehicle noise is carried out and the propagation of unmanned aerial vehicle noise in city environment is simulated, generate unmanned aerial vehicle noise map;With present situation city noise map, the city noise map of unmanned aerial vehicle noise map and present situation city noise map is obtained by merging calculation;Identify crowd distribution in different time periods and map to geographical space, form crowd distribution map in different time periods, combine multi-source data to carry out feature identification and analysis to crowd, obtain crowd distribution map with crowd feature information;According to city noise map and crowd distribution map, calculate regional noise pollution total amount and per capita noise pollution index, and calculate the noise exposure level of different crowds.The application perfects the noise exposure evaluation method, improves the space-time accuracy of unmanned aerial vehicle noise exposure evaluation.