745 results about "Bone conduction hearing" patented technology

Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

The invention relates to the technical field of earphone noise reduction, and discloses a bone conduction earphone intelligent noise reduction method and system based on multi-mode interactive fusion, and the method comprises the steps: collecting a multi-mode signal when a user uses a bone conduction earphone, carrying out the motion artifact elimination of the multi-mode signal, and obtaining a pure multi-mode signal; identifying a vocal cord vibration fundamental frequency and a formant of the pure multi-mode signal to perform noise fusion characterization processing on the bone conduction earphone to obtain a noise characterization matrix, and identifying a noise type of the bone conduction earphone by using the noise characterization matrix; analyzing a physiological fatigue index of the user, constructing noise reduction parameters of the bone conduction earphone based on the physiological fatigue index and the noise type, and constructing a noise reduction propagation link of the bone conduction earphone; and carrying out anti-howling adaptive filtering on the noise reduction propagation link by using the noise representation matrix to obtain a reverse sound wave, and carrying out noise reduction on the bone conduction earphone to obtain a noise reduction audio. According to the invention, the bone conduction earphone wearing experience of the user can be improved.

The invention discloses a noise reduction method and device, equipment, a storage medium and a program product, and relates to the technical field of audio processing, and the method comprises the steps: collecting a bone conduction signal and at least two paths of environment air conduction signals of an earphone wearer through an earphone, based on the bone conduction signal, performing first noise reduction processing on a target air conduction signal of a target direction determined based on the at least two paths of environment air conduction signals to remove a first air conduction component of a relatively low frequency band of an earphone wearer, and obtaining an initial noise-reduced signal; and performing second noise reduction processing on the initial noise-reduced signal based on the bone conduction signal, the at least two paths of environmental air conduction signals and the phase difference of the at least two paths of environmental air conduction signals, so as to remove a second air conduction signal of a higher frequency band of the earphone wearer, and obtain a target noise-reduced signal. According to the method and the device, the noise generated by the earphone wearer in the audio recorded by the earphone is effectively removed.

1. The name of this design product: Sports bone conduction headphones (X500). 2. The purpose of this design product: as a headphone audio playback device. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a fully-implanted artificial cochlea system and a noise reduction method thereof.The fully-implanted artificial cochlea system comprises an implant and a fully-implanted microphone, the fully-implanted microphone comprises a shell, a PCBA board, a first sound sensor and a bone conduction sensor are arranged in the shell, the first sound sensor is connected with the PCBA board and used for receiving a first external sound signal and transmitting the first external sound signal to the PCBA board, and the bone conduction sensor is connected with the implant. The bone conduction sensor is also connected with the PCBA board and is used for collecting an in-vivo noise signal and transmitting the in-vivo noise signal to the PCBA board; the PCBA board is used for receiving the first external sound signal and the in-vivo noise signal, and at least performing noise reduction on the first external sound signal and then outputting the first external sound signal; the implant or the fully-implanted microphone is connected with a second sound sensor, the second sound sensor is connected with the PCBA, the second sound sensor receives a second external sound signal and transmits the second external sound signal to the PCBA board, and the PCBA board receives the second external sound signal, at least carries out noise reduction on the second external sound signal and then outputs the second external sound signal; according to the system, the wearing comfort of a user is effectively improved, the efficient noise reduction performance is met, and the hearing requirement of a user patient can be met.

The present disclosure is of a bone conduction microphone. The bone conduction microphone comprises of a laminated structure and a base structure. The laminated structure is formed by a vibration unit and an acoustic transducer unit. The base structure is configured to load the laminated structure. At least one side of the laminated structure is physically connected to the base structure. The base structure vibrates based on an external vibration signal, the vibration unit deforms in response to the vibration of the base structure, and the acoustic transducer unit generates an electrical signal based on the deformation of the vibration unit. A resonant frequency of the bone conduction microphone is within a range of 2.5 kHz-4.5 KHz.

The invention discloses a cross-medium wearable audio transmission system and a transmission method thereof, which are suitable for audio communication scenes in an air and water body junction environment such as a natatorium. The system comprises a shore transmitting terminal and an underwater receiving earphone, and adopts a blue-green light wave band as a transmission carrier to realize cross-medium wireless transmission of audio signals. The transmitting terminal comprises an audio preprocessing module, a modulation and driving module and a coarse-fine composite light beam alignment module; the receiving earphone comprises an optical receiving module, a posture sensing and aligning module, a signal processing module and a bone conduction audio output unit. According to the system, through a dynamic attitude compensation and light beam alignment mechanism, the audio transmission rate greater than or equal to 1Mbps in a 10-meter range is realized, the error rate is less than or equal to 1 * 10 <-6 >, and the transmission delay is less than 50ms. The method has the advantages of high communication quality, strong anti-interference capability, good wearable performance and the like, and is suitable for scenes of underwater training, voice guidance, immersive audio playing and the like.

1. The name of this design product: Swimming bone conduction earphones (X23). 2. Purpose of this design product: audio playback. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a hearing aid health analysis method based on a physiological signal monitoring function. The method comprises the following steps: collecting physiological signal data of a user in real time through a multi-mode biosensor array integrated on a hearing aid body; the hearing aid body comprises a digital signal processor and a wireless communication module; the physiological signal data at least comprises a brain wave signal, a skin electric response signal and a temporal artery pulse signal; performing motion artifact elimination processing on the physiological signal data through an adaptive filtering algorithm; performing feature extraction on the preprocessed physiological signal by using an embedded health analysis engine to generate a composite health feature vector containing a sympathetic nerve activity index, cognitive load measurement and a cardiovascular function index; and dynamically generating a health risk assessment report based on an association relationship between the composite health feature vector and a preset hearing scene, the bone conduction vibration unit and the audio synthesis module of the hearing aid body output graded health alarm signals.

Embodiments of this disclosure provide a device operation method and apparatus, and an electronic device. In the device operation method, after obtaining a vibration signal collected by a bone conduction microphone connected to the electronic device, the electronic device extracts a vibration signal feature of the vibration signal, and then compares the extracted vibration signal feature with a control feature stored in the electronic device. When a comparison result is that the extracted vibration signal feature matches the control feature, the electronic device performs an operation corresponding to the control feature. The vibration signal collected by the bone conduction microphone may be a bone conduction audio signal, and the bone conduction audio signal is skin vibration triggered when a nasal cavity and / or a throat of a user who uses the electronic device make / makes a specific sound.

The invention relates to the technical field of emotion monitoring and adjusting, and discloses an emotion monitoring and adjusting system based on real-time dialogue semantic analysis, and the system is characterized in that an information collection module is used for collecting real-time voice information of two dialogue parties; the real-time dialogue semantic analysis module is used for performing semantic analysis on real-time voice information by adopting a MobileViT network, extracting emotional characteristics and dynamically capturing emotional association in a dialogue in combination with a CSN network; the bidirectional emotion regulation module is used for determining the current emotion state of the user based on the output of the real-time dialogue semantic analysis module, mapping the emotion state to a behavior mode, and respectively generating personalized emotion regulation strategies for two dialogue parties by adopting a Bandit algorithm; the hardware and software collaborative interaction module is used for controlling the bone conduction equipment and the LED feedback device according to the emotion regulation strategy generated by the bidirectional emotion regulation module; through cooperative work of software and hardware, real-time monitoring and effective adjustment of emotions of two parties of a dialogue are realized.

The invention provides a recessive gastroesophageal reflux event data analysis system and method based on dynamic changes of abdominal pressure. The system and method are suitable for noninvasive detection of atypical reflux clinically. The system comprises an abdominal pressure dynamic detection unit, a throat vibration detection unit, a multi-mode signal processing module, a reflux event judgment module and a data output module. According to the system, by analyzing time sequence linkage between abdominal pressure mutation and throat vibration, a stomach content countercurrent event is recognized, silent type countercurrent characteristic sound is captured with the assistance of a bone conduction sound wave channel, and multi-path redundancy recognition is achieved. The method is suitable for postoperative patients, children, old people and other people who cannot complain, has the technical advantages of continuous wearing, behavior correlation analysis and clinical verifiability, and significantly improves the recognition rate and diagnosis accuracy of recessive gastroesophageal reflux events.

The invention discloses a radar-vision-I MU fused visual impaired person navigation system, which relates to the technical field of multi-source data processing, and is characterized in that a multi-source data collection module is arranged to collect obstacle distance information, ground feature image data and user motion state data in an environment; a time synchronization module is arranged to carry out space-time alignment on obstacle distance information and ground feature image data to generate multi-modal sensing data, a dynamic map generation module and a fusion model based on a particle filter algorithm are arranged, a dynamic environment map is constructed in combination with motion state data, and the spatial relationship between the current position of a user and surrounding obstacles is output. Setting a trajectory prediction module to perform path planning through a reinforcement learning algorithm to generate a prediction trajectory of user motion, and setting a multi-mode interaction module to output a voice navigation instruction to the visually impaired person through a bone conduction earphone based on the prediction trajectory and a dynamic environment map; the problem of intelligent navigation of a dynamic environment faced by visually impaired people is solved.

The invention provides a bone conduction speech enhancement method based on a double-flow self-attention fusion network. The bone conduction speech enhancement method comprises the following steps: acquiring and preprocessing a bone conduction speech signal to be processed; a double-flow self-attention fusion network is constructed, the double-flow self-attention fusion network comprises a double-flow encoder, a cross-modal feature fusion module, a multi-scale decoder and a waveform reconstruction module which are connected in sequence, the double-flow self-attention fusion network is trained, a trained model is obtained, and the performance of the model under different conditions is evaluated. According to the method, a double-flow structure is used for processing time domain information and frequency domain information respectively, a self-attention mechanism is introduced, so that the model can capture a long-distance dependency relationship in each mode, and the feature quality is improved. According to the invention, the time-frequency information can be better integrated through the cross-modal feature fusion module. According to the invention, the multi-scale loss function supervises the output of different levels of the decoder, so that the network can learn effective spectrogram representation at different resolutions, and a finer spectrum structure can be recovered.

The invention relates to a speech recognition method for a tactical AR helmet, and the method comprises the steps: collecting a first audio signal through a near-field pickup disposed near the mouth and nose of a wearer, and collecting a second audio signal through an environment pickup disposed at the outer side of the helmet or away from the mouth and nose; synchronously acquiring a third signal sounding with the wearer, wherein the third signal is at least one of helmet inner side contact type micro vibration, bone conduction vibration pickup or helmet inner sound pressure change; calculating a near-field difference indicator based on the first audio signal and the second audio signal, the near-field difference indicator comprising at least one of an energy difference or an energy ratio; determining sound production starting and ending moments from the first audio signal and the third signal, and calculating a time sequence synchronization index; and when the near-field difference index satisfies a preset near-field condition and the time sequence synchronization index satisfies a preset synchronization condition, determining that the voice is sent by the helmet wearer and a corresponding voice segment is output for subsequent identification, otherwise, shielding the voice segment.

1. Name of the product in this design: Bone conduction hearing aid. 2. Purpose of this design: To improve the user's hearing ability. 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.

The invention relates to the technical field of speech recognition and synthesis, and discloses a multi-mode speech conversion method and system based on user behaviors, and the method comprises the steps: carrying out the vibration separation of a bone conduction signal, obtaining a separation vibration signal, mapping the face muscle micro-current into a muscle deformation gradient, and analyzing the intention intensity of a user through implicit behavior data; mapping the muscle deformation gradient into a voice fundamental frequency of the user, linearly converting the separation vibration signal into a voice formant of the user, and performing noise injection on a non-voice active section based on intention intensity to obtain noise injection voice; constructing user behavior voice corresponding to the voice fundamental frequency, the voice formant and the noise injection voice through an orthogonal projection layer in a preset orthogonal regularization vocoder; and synthesizing the speech feature vector and the user behavior speech into bone conduction propagation speech through a bone conduction synthesis layer in an orthogonal regularization vocoder. According to the invention, the accuracy of the multi-mode voice conversion technology can be improved.

The invention discloses an intelligent exoskeleton bone auxiliary conduction hearing aid system capable of being remotely controlled and having an electroencephalogram control function, and relates to the technical field of intelligent rehabilitation robots and hearing aid devices. The wearable mechanical part comprises a flexible actuator, an elastic fabric base material, an inertial measurement unit IMU, a plantar pressure sensor array, a surface myoelectricity EMG sensor and an electroencephalogram EEG sensor. And the information processing communication part comprises a central controller, a bone conduction hearing aid module, a multi-mode sensor, an embedded SoC, a DSP / AI accelerator, a 4G / 5G / Wi-Fi module and a power management unit. The flexible exoskeleton walking aid system and the bone conduction hearing aid module are integrated, the electroencephalogram EEG sensor is additionally arranged to achieve the electroencephalogram control function, and cooperation of the three functions of movement assistance, auditory perception and neural intention recognition is achieved. A user can directly control the exoskeleton action mode through electroencephalogram signals, meanwhile, intelligent assistance of lower limb joints is obtained in the walking process, and environment sounds and voice prompts are clearly received in a bone conduction mode. According to the system, the perception ability, the control flexibility and the social participation degree of old people or rehabilitation patients who are inconvenient to move and accompanied with hearing impairment in a complex environment are remarkably improved, and more natural and convenient man-machine interaction experience is provided for users.

The invention discloses an online learning system based on cloud fusion multi-modal analysis. The online learning system comprises a multi-modal data acquisition module, a knowledge graph construction module, a learning state analysis engine, a dynamic course generation module and a virtual teacher interaction interface, wherein the multi-modal data acquisition module comprises an eye movement tracking sensor and a bone conduction microphone array; according to the system, in the aspect of data acquisition, the defects of single behavior data and low sampling rate are overcome, multi-modal physiological and environmental data fusion is adopted, and the effect that the eye movement sampling rate is 120 Hz is achieved; meanwhile, in the aspect of knowledge modeling, the system overcomes the defects of a static knowledge base and subject isolation, dynamically updates an interdisciplinary map, and achieves the effect of weight iteration per hour.

The invention discloses a dynamic sleep memory intervention method and system based on an ultrathin eyeshade, the system comprises an ultrathin eyeshade body and a cloud platform, and the eyeshade integrates electroencephalogram acquisition, memory content playing, master control and communication modules. The electroencephalogram acquisition module adopts an eight-channel super-soft spandex conductive electrode and a noise reduction unit combining adaptive notch filtering with wavelet threshold filtering; the memory playing module is a hemispherical dome miniature bone conduction loudspeaker, and silent leakage outside 30cm is realized; a dynamic sleep memory dry prediction algorithm is built in the main control module, and playing parameters can be adjusted according to delta wave intensity; the cloud stores personalized memory content and intervention records, and push content can be intelligently updated. The method comprises the steps of equipment starting initialization, electroencephalogram collection and noise reduction, deep sleep recognition, dynamic playing and data encryption synchronous closing, the problems that existing equipment is heavy and intervention is rigid are solved, non-inductive wearing, accurate intervention and privacy protection are achieved, and the method is suitable for sleep memory consolidation.

A system is provided.SOLUTION: The system includes a sound recognition means for collecting a sound datum, a communication means for transmitting the sound datum to a server, a sound recognition engine means for converting the sound datum into a text in the server, a generation AI means for summarizing a sound recognition result, a speech synthesis means for converting the summarized text datum into the sound datum, and a bone-conduction means for transmitting the sound datum to a wearer by bone-conduction.SELECTED DRAWING: Figure 1

The utility model discloses a bone conduction hearing aid which comprises a host, one end of the host is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a connecting sleeve, one end of the host is fixedly connected with an adjusting mechanism, the connecting sleeve is sleeved on the end portion of a spectacle frame, and the bone conduction hearing aid is limited and fixed through the spectacle frame. The main machine and the spectacle frame cannot clamp and extrude each other, the ear pain problem is avoided, meanwhile, the bone conduction sound transmission device can be smoothly attached to the skull or the facial bone through the downward concave part, normal work of the bone conduction sound transmission device is guaranteed, and the sound transmission efficiency is improved. The position of the bone conduction sound conducting device in the vertical direction can be adjusted through the connecting column, meanwhile, the position of the bone conduction sound conducting device in the horizontal direction can be adjusted under the action of the rotating shaft, the bone conduction sound conducting device can be adjusted to the proper position through the two different adjusting modes, and therefore the use requirements of different patients are met; the use by different patients is convenient.

The utility model relates to the field of glasses, in particular to intelligent travel glasses for old people, and adopts the technical scheme that the intelligent travel glasses for old people comprise a glasses frame main body, glasses leg main bodies, glasses leg connecting pieces, a first bone conduction radio module, a GPS (Global Positioning System) positioner, a second bone conduction radio module and an eyebrow tail shifting piece, according to the utility model, the first bone conduction sound receiving module and the second bone conduction sound receiving module which are distributed in front of the glasses frame main body and on the left side and the right side of the glasses frame main body can receive external sound in multiple directions and feed back sound signals to the bone conduction transmitter, so that better sound transmission is provided for old people with poor hearing; the eyebrow tail shifting piece made of soft rubber can support the upper eyelids of the old people when the old people wear the glasses so as to lift the drooping eyebrow tails of the old people to expand the visual field, and the GPS positioner can feed back the real-time position of the old people to a mobile phone, so that children of the old people can know the position of the old people conveniently.

1. The name of the design product: bone conduction Bluetooth earphone (X52). 2. The use of the design product: earphone for connecting electronic and digital products. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. Name of the product in this design: White Noise Bone Conduction Sleep Aid Music Box (SMB-16). 2. Purpose of this product design: Utilizing bone conduction technology, sound is transmitted and amplified through vibrations to the user's bones, thereby achieving a sleep-aiding effect. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a bone conduction type under-pillow sleep-aiding sound box, which comprises a supporting mechanism and a contraction mechanism, the supporting mechanism comprises a sound box, a bidirectional connector, supporting cylinders, a connecting wire, a control switch and a playing head, the bidirectional connector is installed at the upper end of the sound box, the supporting cylinders are installed on the two opposite sides of the bidirectional connector, and the connecting wire is connected with the control switch. The connecting line is connected with the supporting cylinder in an inserted mode, the contraction mechanism comprises at least two arc-shaped fastening plates, telescopic springs, an inner limiting plate, a fixing cylinder, a sliding guide rod, a movable isolation disc, an anti-slip strip and an outer limiting plate, the number of the arc-shaped fastening plates is at least two, and the connecting line is located between the two arc-shaped fastening plates. And the sliding guide rod is mounted on the surface of the upper end of the arc-shaped fastening plate. The two playing heads are arranged, then the distance is adjusted according to the length of the pillow and the sleeping habit of a user, the two playing heads are located on the two sides of the two ears of the user, and the experience feeling of the user is improved.

The utility model relates to the technical field of bone conduction product testing, in particular to bone conduction product testing equipment which comprises a bone conduction sensor device, a sound transmission and sound leakage prevention structure installed on the bone conduction sensor device, and a bone conduction receiver used in cooperation with the sound transmission and sound leakage prevention structure. The sound transmission and sound leakage prevention structure comprises a profiling receiver side part and a profiling receiver bottom part, and the profiling receiver side part is connected to the periphery of the profiling receiver bottom part in a surrounding mode to form a concave open cavity. A profiling sensor bottom is arranged at the bottom of the profiling receiver bottom, and the profiling sensor bottom and the profiling receiver bottom are oppositely arranged; according to the utility model, through the arrangement of the sound transmission and sound leakage prevention structure, when the bone conduction sensor device tests the bone conduction receiver, the vibration of the vibration transmission surface of the bone conduction receiver is transmitted to the bone conduction sensor protruding part of the bone conduction sensor device, and sound leakage between the vibration transmission surface of the bone conduction receiver and the bone conduction sensor protruding part is blocked; and the stability of test work is ensured.

1. The name of the design product: bone conduction sleep Bluetooth sound. 2. The use of the design product: for playing audio and monitoring sleep quality, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. Name of the product in this design: Audio (bone conduction). 2. Purpose of this design: an audio device for playing audio and video images. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: earphone (bone conduction). 2. The use of the design product: for audio playing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.