465 results about "Auditory sense" patented technology

The sound device includes an audio-information output unit, an analysis unit, an audio-division-spectrum output unit, a noise-division-spectrum output unit and a correction unit. The analysis unit receives audio information from the audio-information output unit, and then outputs sound spectrum information. The noise-division-spectrum output unit outputs sound-volume information for each critical band width of a noise, and the audio-division-spectrum output unit outputs the sound-volume information for each critical band width of the sound-spectrum information. The correction unit corrects the information from the audio-division-spectrum output unit based on the information from the noise-division-spectrum output unit. The audio-signal properties can be well corrected corresponding to the auditory-sense properties of the human, and thus the audio sound, in which an uncomfortable feeling to the auditory sense of the human has been adequately controlled, can be transmitted to a user.

A remote ring monitor for a mobile communications device comprises an audio sensor to detect a sound signal emitted by the monitored device and one or more indicators which may provide visual, auditory or tactile alert signals to the user. A plurality of indicators may be used to indicate various different audio signals received. The audio sensor may comprise a microphone, a codec and digital signal processor. In certain embodiments, an encoded ring tone is downloaded to a mobile communications device to be monitored so as to enhance the selectivity of the monitoring device. The audio sensor may be remote from the indicator and the two may be in communication via a radio-frequency link.

A vibration presenting system includes a first vibration applying device for applying a vibration that is generated by a first vibration source and has frequency components within an audible range perceivable as a sound by an auditory sense system of a living body to the auditory sense system of the living body, and a second vibration applying device for applying a vibration that is generated by a second vibration source different from the first vibration source and has superhigh frequency components exceeding the audible range unperceivable by the auditory sense system of the living body to a living body component region other than the auditory sense system of the living body. The living body component region other than the auditory sense system of the living body is a body surface of the living body, which may include a head thereof.

The invention discloses a traction substation watchkeeper virtual immersion type training simulation system and method. Virtual three-dimensional scenes and related animations of a traction substation are established with three-dimensional modeling and animation software, the visual and auditory senses of training objects can be effectively enhanced, and the understanding of the training objects on study content can be intensified; the three training patterns of free exercising, situational teaching and simulation checking, and specific task training content are established with a three-dimensional engine and a database, and the training content is high in pertinence and capable of being freely modified; the scene perceptual feelings are further enhanced through virtual reality immersion type helmets and somatosensory interaction equipment. According to the method, the three-dimensional scene of the whole traction substation can be vividly and visually established through three-dimensional visualization simulation, the daily operation of patrolling, switching, overhauling and the like is simulated through service training content based on the three-dimensional scene, safe operation, a high immersion degree, high visualizability and a short training period are achieved in the training process, and good application prospects are achieved.

Any disagreement of the power level before encoding an audio signal and the power level after encoding the audio signal is adjusted to improve the sound quality to the auditory sense. The present invention provides an audio signal encoding apparatus comprising, a band dividing section that divides an input audio signal by a plurality frequency sub-bands, a spectral transform section that transforms the audio signal of each frequency sub-band into a spectral signal, a normalizing section that normalizes each spectral signal by means of a scale factor and generates a normalized spectral signal, a quantizing section that quantizes each normalized spectral signal and generates a quantized spectral signal, a scale factor adjusting section that adjusts the value of the scale factor used by the normalizing section according to the normalized spectral signal and the quantized spectral signal, and an encoding section that encodes at least each quantized spectral signal and the scale factor used by the normalizing section or the scale factor adjusted by the scale factor adjusting section. The scale factor adjusting section is adapted to compare the absolute value of the difference of the energy of the normalized spectral signal and the energy of the quantized spectral signal with a first threshold value for each frequency sub-band and, if the absolute value of the difference is greater than the first threshold value, adjust the value of the scale factor used by the normalizing section so as to make the absolute value of the difference of the energies not greater than a second threshold value.

The invention provides a driver behavior characteristic identification device. The device comprises a real vehicle driving simulator experimental platform and a driver behavior characteristic identification method. The real vehicle driving simulator experimental platform comprises a real vehicle driving simulator experimental platform body, an operation table, a vehicle dynamics simulation model, a real-time simulating system, a steering force sense simulating system and a sensor system. The driver behavior characteristic identification method comprises the steps of establishing and verifying a driver behavior characteristic identification model, and then conducting driver behavior characteristic identification by means of the established driver behavior characteristic identification model. By the adoption of the real vehicle driving simulator experimental platform, a test platform similar to a real vehicle is provided for a driver, so that a data sample is acquired and preparation is made for establishing the driver behavior characteristic identification model. The interactive interface between the driver and the vehicle is fully considered, the driver feels like driving a real vehicle through simulation of vision, auditory sense and tactile sense, and the effect is vivid.

A wearable outfit comprising nano-sensors for continuous physiological condition and body temperature monitoring configured with load cells and strain gages for monitoring and measuring the degree of force impacted on an athlete during a hit or collision in a sporting event such as a football game, the strain gages are composed of electrical resistance elements embedded in a micro-fibered material and etched in a silicon substrate and located in a position that is in contact with the body of the wearer. The wearable outfit also enables wireless communication to computer device configured for algorithm and analysis of the detected conditions and for signaling personnel about the severity of an injury or collision through either auditory or visual device. The computer device is configured with algorithms for enabling accurate interpretation of the physiological condition or body surface temperatures of personnel.

An efficient audio coding device that quantizes and encodes digital audio signals with a reduced amount of computation. A spatial transform unit subjects samples of a given audio signal to a spatial transform, thus obtaining transform coefficients of the signal. With a representative value selected out of the transform coefficients of each subband, a quantization step size calculator estimates quantization noise and calculates, in an approximative way, a quantization step size of each subband from the estimated quantization noise, as well as from a masking power threshold determined from a psycho-acoustic model of the human auditory system. A quantizer then quantizes the transform coefficients, based on the calculated quantization step sizes, thereby producing quantized values of those coefficients. The quantization step sizes are also used by a scalefactor calculator to calculate common and individual scalefactors. A coder encodes at least one of the quantized values, common scalefactor, and individual scalefactors.

The invention discloses a voice separation method based on binaural sound source localization. Multiple sound sources are separated through data training, multiple-sound-source localization and voice separation according to sound source directions, and a separation voice of each sound source is obtained. The voice separation method can simulate the auditory sense of human ears based on the cocktail party effect of the human ears, the number of the sound sources and the directions of the sound sources can be accurately located, and an accurate mixed matrix is obtained through the information of the located sound source directions. Thus, the voice separation process is conducted, and the separation performance of the voice separation method is effectively improved.

The invention discloses a lower limb rehabilitation training robot system based on virtual reality, which comprises a virtual interaction scene module, a physiological parameter acquisition module, a man-machine interaction module, a control module and a lower limb rehabilitation training robot, wherein the virtual interaction scene module simulates motion of a virtual person in a virtual scene and calculates an interaction force between the virtual person and a virtual environment; the man-machine interaction module displays and transmits physiological parameters of a patient, a motion state of the lower limb rehabilitation training robot and the acting forces of the patient in all directions to the control module; the control module generates and issues a control instruction; and the lower limb rehabilitation training robot is responsible for force feedback output under an active rehabilitation condition and traction of the patient for rehabilitation training under a passive rehabilitation training condition. According to the system, simpler virtual scene interaction is achieved by establishing a virtual person model; a real-time and friendly virtual scene interaction system with feedback of a visual sense, an auditory sense and a touch sense is provided for the rehabilitation training robot; and the patient is encouraged to actively perform rehabilitation training.

In a fire alarm system, a message is sent on a pair of power lines to a notification appliance. The notification appliance responds to the message by activating one or more of its notification devices. In a standby mode, only enough power is supplied to the plural notification appliances, at a first voltage level, to support two-way communications between a system controller and the notification appliances. In an active mode, power is supplied at a second voltage sufficient to operate audible and visible alarms of the notification appliance. The notification appliance may include an addressable speaker. The addressable speaker connects to and receives messages over the pair of power lines, has plural taps for selecting audio power. In response to a command, a selector in an addressed smart speaker selects a tap to select a particular audio power.

By using a high-range sub-band signal, a correction coefficient corresponding to importance of auditory sense is calculated to correct a noise level and generate additional signal information, thereby accurately reflecting the noise level of the sub-band important in the auditory sense. Thus, it is possible to calculate additional signal information reflecting the noise level of the sub-band important in the auditory sense according to importance with a small calculation amount. The calculation amount can further be reduced by using a correction coefficient based on the characteristic of an ordinary audio signal.

The invention relates to a finger extrusion-frangible soft capsule and its preparation method and use. The preparation method comprises that an outer hydrophilic liquid phase and an inner oleophilic liquid phase coated by the outer hydrophilic liquid phase are extruded simultaneously by a coextrusion method; the extruded capsules are immersed in a solidification liquid to form seamless spherical soft capsules under the action of surface tension; the seamless spherical soft capsules are dried at a temperature of 10 to 40 DEG C at humidity of 15 to 50% for 18 to 28 hours; the finger extrusion-frangible soft capsules having sizes of 2-4mm are screened out from the dried seamless spherical soft capsules; and the finger extrusion-frangible soft capsules are embedded into cigarette filter tips. In smoking, a smoker can press and break the finger extrusion-frangible soft capsule by fingers according to personal favorite and habit so that release time of essence is controlled and a cigarette local flavor is changed and thus the finger extrusion-frangible soft capsule can provide taste sense and auditory sense dual enjoyment for smokers.

A Bilateral Upper Limbs Motor Recovery Rehabilitation and Evaluation System for Patients with Stroke which gets feedback from the feeling of body about sense of sight or auditory sense, etc to let inspector's pair of hands process forward, back, drawing and multiple actions, and let strokes can execute task training of kinematic parameter diversification about multiple strength, spped, acceleration, etc to process rehabilitation that relate to the action-status of body and estimate the status of restoration. Devices of file at least includes a pair of double-axle connecting rod structure for upper limbs, an unit for physiological signal collection, an unit for processing estimated of rehabilitation and an unit of multimedia display.

The invention belongs to the field of brain electricity-assisted auditory sense attention, aims at realizing a correct tracking function of a person on an auditory object and discloses a detection andextraction system based on a brain electrical signal. The system comprises an auditory stimulation module used for inducing a user to produce brain electricity, a brain electrical signal acquisitionmodule, a feature extracting and training module and an auditory sense tracking and classifying module, wherein the brain electricity signal acquisition module utilizes an electrode contacted with head surface of the user, acquires the brain electrical signal of the user and preprocesses the brain electrical signal; the feature extracting and training module carries out feature extraction on the preprocessed brain electrical signal and trains a model; and the auditory sense tracking and classifying module converts a brain electricity feature classification result into a classification value and calculates accuracy according to the classification value, and the accuracy is used for grading attention. A feature extraction method adopted by the feature extracting and training module combinescharacteristics of rhythm and information entropy, and noise can be effectively inhibited, so that the obtained brain electrical signal is more accurate.

The invention provides an electric double-wheel somatosensory balance car. The electric double-wheel somatosensory balance car comprises a box body, a steering assembly, an installation box, a motor, a control signal receiving unit, a loudspeaker and an audio decoder; the box body is arranged between two wheels of the balance car, the steering assembly is rotatably arranged on the box body and used for achieving wheel steering, the installation box is arranged on the steering assembly, the motor is used for driving the balance car to run, the control signal receiving unit is arranged on the installation box and used for receiving a control signal, the loudspeaker is arranged in the box body, and the audio decoder is used for play an audio file through the loudspeaker according to the control signal. According to the electric double-wheel somatosensory balance car, the audio decoder and the loudspeaker are arranged to play sound, therefore, a user of the electric somatosensory balance car can enjoy splendid music and acquire enjoyment in auditory sense.

The invention relates to a voice quality evaluation method which includes the steps of conducting human ear auditory sense modeling processing on voice signals to obtain first signals, conducting resolution-ratio-variable time-frequency analysis on the first signals to obtain second signals, and conducting feature extraction and analysis based on the second signals to obtain voice quality evaluation results for the voice signals. According to the technical scheme, the problem that the accuracy of the voice quality evaluation is not high is solved; human ear auditory sense modeling processing is carried out, the signals to be detected are converted into time-frequency signals capable of showing the variable resolution ratio, the time-frequency signals with the variable resolution ratio are further analyzed, features corresponding to the signals are extracted, further analysis is carried out, and therefore the high-accuracy voice quality evaluation results are finally obtained.

The invention discloses a device based on a brain electricity acquisition terminal for cognitive emotion regulation. The device comprises a processor, a wireless electrode cap, an intelligent terminal and VR glasses, wherein the wireless electrode cap comprises an electrode cap body, a micro current stimulator, a plurality of dry electrodes, a brain electrical impedance detecting device, a signal amplifying device and a wireless signal transmission module. The device is used for judging emotion regulation capacity of an individual according to frontal brain electricity lateralization, making comprehensive judgment on an emotion state of the individual according to a frontal brain electricity signal and an electrocardio signal, and establishing a corresponding emotion regulating scheme; and meanwhile, simulation for senses such as visual sense, auditory sense and tactile sense are provided for users through the VR eyes, so that the users can be personally on the scene, and therefore, emotions of the users are regulated better.

The invention discloses a virtual scene interaction-based rehabilitation training robot system and a use method thereof. The system comprises parts including a virtual interaction scene module, a visual information collection module, a physiological parameter collection module, a force measurement module, a state monitoring module, an instruction generation module, a rehabilitation training robot and the like, wherein the state monitoring module displays information measured by the physiological parameter collection module and the force measurement module and a motion state output by the rehabilitation training robot through an interface, and sends the information and the motion state to the instruction generation module; the instruction generation module generates a control instruction according to the information provided by the state monitoring module and the virtual interaction scene module; and the rehabilitation training robot is in charge of realizing force feedback output in an active rehabilitation condition and dragging a patient to perform rehabilitation training in a passive rehabilitation training condition. A real-time and friendly virtual scene interaction system with visual sense, auditory sense and tactile sense multi-perception feedback can be provided for the rehabilitation training robot, and the patient can be stimulated to actively perform rehabilitation training.

The invention discloses a visualized simulation training system and method for an electrified railway traction substation. Three-dimensional simulation modeling software, animation production software and assistant software are utilized to establish a three-dimensional visualized simulation training system, which can effectively activate a plurality of sensory organs of visual sense and auditory sense and the like of training objects to participate in the perception activity, helps to understand and receive the training content, allows students to autonomously select learning content and difficulty level, provides a favorable condition for giving a full play to the initiative and obtaining effective cognition for the training objects, is high in versatility, short in training period, friendly in interactive interface and high in substitution, and has a good application prospect.

A method based on auditory cognitive neural signals for autonomously expressing willingness relates to the fields of the assistance to the disabled, and the human-computer interaction. The method is characterized in that the method comprises the following steps: inputting the required willingness code book into a computer, wherein, a speech index is short Chinese and English, or digital speech, and an index content is the speech on completely expressing willingness; arranging an EEG detect electrode at a posterior position of the top of the head of a user; using a computer to repeatedly play a voice sequence consisting of codebook index speech in a random order; noticeably choosing the index speech corresponding with the target willingness should and conducting the identification of sound properties; using an EEG amplifier to record brain waves; aligning the brain waveforms in a segmenting manner according to the time starts of the index speech; detecting whether the late positive components (LPC) and the relevant characteristic waveforms exists or not; defining brain waves which has characteristic waveforms as a target index, tracking down the corresponding the index content through the willingness codebook; and playing the corresponding speech expressing willingness through an audible device.

The invention provides a testing device and an audio automatic testing system and method for a mobile terminal. The testing device includes a soundproof box used for providing a testing environment for the mobile terminal; an acoustic simulating device used for simulating the auditory senses of the human ears and a phonation effect of a human mouth; and a testing clamp used for fixing the mobile terminal and the acoustic simulating device. The acoustic simulating device is fixed on the testing clamp. The testing clamp is fixed in the soundproof box. Through adoption of the testing device, and the audio acoustic testing system and the method for the mobile terminal, a rapid quantizing test can be performed on the mobile terminal efficiently and human factors can be eliminated so that test accuracy is improved and manpower cost is reduced.

Any disagreement of the power level before encoding an audio signal and the power level after encoding the audio signal is adjusted to improve the sound quality to the auditory sense. The present invention provides an audio signal encoding apparatus comprising, a band dividing section that divides an input audio signal by a plurality frequency sub-bands, a spectral transform section that transforms the audio signal of each frequency sub-band into a spectral signal, a normalizing section that normalizes each spectral signal by means of a scale factor and generates a normalized spectral signal, a quantizing section that quantizes each normalized spectral signal and generates a quantized spectral signal, a scale factor adjusting section that adjusts the value of the scale factor used by the normalizing section according to the normalized spectral signal and the quantized spectral signal, and an encoding section that encodes at least each quantized spectral signal and the scale factor used by the normalizing section or the scale factor adjusted by the scale factor adjusting section. The scale factor adjusting section is adapted to compare the absolute value of the difference of the energy of the normalized spectral signal and the energy of the quantized spectral signal with a first threshold value for each frequency sub-band and, if the absolute value of the difference is greater than the first threshold value, adjust the value of the scale factor used by the normalizing section so as to make the absolute value of the difference of the energies not greater than a second threshold value.

The invention discloses a microphone array postfiltering sound enhancement method based on multi-models and hearing characteristic, aiming at two important factors influencing the postfiltering sound enhancement performance of a microphone array, i.e. accurate estimation for signal parameters and suitable compromise between increasing noise reduction performance and reducing voice distortion. Thescheme of the invention comprises the following steps of carrying out time domain alignment on signals collected by the microphone array, and carrying out short-time Fourier transform and characteristic value analysis based of power spectrum; determining the dimensionality of a signal subspace through the existence probability of target voice signal in maximation noise-carried voice signals; self-adaptively selecting a distribution model of a noise power spectrum in the noise-carried voice signals; estimating noise power spectrum by utilizing a conditional probability; estimating an auditory masking threshold value based on the signal subspace; and estimating a postfilter by combining Lagrange multipliers according to the auditory sensing characteristics.

The invention provides a method and device for adjusting the sound effect in a self-adaption mode. The method and device are applied to a multimedia player, wherein the method comprises the following steps that after a play request is received, if a main program label of a program source is found when it is judged that a program source is a first program in a chain broadcast sequence or a program in a non-chain-broadcast sequence in a program data base according to a program source label; a sound effect mode matched with a main program label is searched for in a pre-stored label and sound effect corresponding entry according to the main program label; the sound effect output of the multimedia player is controlled according to the sound effect mode matched with the main program label. The method and device for adjusting the sound effect in a self-adaption mode eliminates the inconvenience that a user needs to manually adjust the sound effect mode according to different program sources, and the sound effect mode matched with the program source is selected to provide the good auditory sense effect.

Robotics visual and auditory system is provided which is made capable of accurately conducting the sound source localization of a target by associating a visual and an auditory information with respect to a target. It is provided with an audition module (20), a face module (30), a stereo module (37), a motor control module (40), an association module (50) for generating streams by associating events from said each module (20, 30, 37, and 40), and an attention control module (57) for conducting attention control based on the streams generated by the association module (50), and said association module (50) generates an auditory stream (55) and a visual stream (56) from a auditory event (28) from the auditory module (20), a face event (39) from the face module (30), a stereo event (39a) from the stereo module (37), and a motor event (48) from the motor control module (40), and an association stream (57) which associates said streams, as well as said audition module (20) collects sub-bands having the interaural phase difference (IPD) or the interaural intensity difference (IID) within the preset range by an active direction pass filter (23a) having a pass range which, according to auditory characteristics, becomes minimum in the frontal direction, and larger as the angle becomes wider to the left and right, based on an accurate sound source directional information from the association module (50), and conducts sound source separation by restructuring the wave shape of the sound source.

The invention discloses a warning device capable of simulating human wave and used in building construction. The warning device comprises a base plate, electric push rods, a mounting frame, a motor, acam, first T-shaped rods, first gears, a rotating shaft, warning lights, first springs, a generation piece (a sound production piece), second springs, a knocking ball, second T-shaped rods, third springs, a double-sided rack, second gears and warning signs; the warning device is provided with the motor, the cam, the first T-shaped rods, the first springs, the rack, the first gears, the rotating shaft and the warning lights, the warning lights are driven to rotate forwardly and backwardly by coordination, and the warning effect by bringing convenience in observation and notice is improved; thewarning device is equipped with the generation piece (sound production piece), the second springs and the knocking ball to warn people from the auditory sense, by means of making sound of constantlycolliding between the generation piece (sound production piece) and the knocking ball; and the warning device is equipped with the second T-shaped rods, the double-sided rack, the second gears and thewarning signs to further strengthen the warning effect by constantly swing of the warning signs and by simulating constant swing and wave of human hands, so that diversified warning ways and a betterwarning effect are realized.

The invention provides an intelligent precise traditional Chinese medicine skill training assessment system. According to the system, conventional traditional Chinese medicine appropriate skill training methods are combined with advanced informatization techniques, and on the basis of real human body data models, aiming at traditional Chinese medicine appropriate skill training contents such as acupuncture and massage, sense experience of vision, touch sense, auditory sense and the like similar to those of real scenes is provided for users. The system comprises head-worn display and control equipment, an action capturing subsystem, a gravity sensation subsystem, an intelligent simulation human model, a needle type simulation instrument, an equipment access management subsystem, a comprehensive demonstration subsystem, an intelligent traditional Chinese medicine skill assessment subsystem and a data 'cloud' platform. By adopting the platform, the training effect of a user can be effectively improved, the training period of learners can be greatly shortened, the actions of the learners can be recorded and analyzed in real time, action results can be accurately judged, the optimized customization of training contents can be achieved, guidance teaching is achieved in the training process, and training schemes can be intelligently optimized.

The invention relates to an immersive panoramic virtual reality gait training interactive system. The immersive panoramic virtual reality gait training interactive system mainly comprises a main body frame, a suspension mechanism and a walking platform; the suspension mechanism is mounted on the upper part of the main body frame; the walking platform is mounted at the bottom of the main body frame; the suspension mechanism hoists a patient up from a wheelchair, and rotates and moves the patient onto the walking platform for training; the walking platform can perform real-time rotation correction according to the movement speed and the direction of the patient so as to ensure the safety and training of the patient. The immersive panoramic virtual reality gait training interactive system can take the patient into a virtual reality environment, and give the patient a centripetal sensory input through the stimulation of a visual sense, an auditory sense, a proprioceptive sense and the like; meanwhile, lower limbs perform biological feedback-type walking training.

A voice activity detection process is robust to a low and high signal-to-noise ratio speech and signal loss. A process divides an aural signal into one or more bands. Signal magnitudes of frequency components and the respective noise components are estimated. A noise adaptation rate modifies estimates of noise components based on differences between the signal to the estimated noise and signal variability.