36 results about "Natural sounds" patented technology

1. The name of the design product: wake-up lamp (natural sound AJ370). 2. The use of the design product: the design product is used for lighting and displaying time, and has the functions of alarm clock and natural sound wake-up. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 2.

The present application relates to a kind of children's smart building blocks that can play multiple natural sound and music, belong to building block technical field, including multiple natural sound building block parts, for controlling scale and pitch;Bottom plate piece, for installing natural sound building block parts, when multiple natural sound building block parts are installed on bottom plate piece, bottom plate piece emits corresponding musical melody according to the order and quantity of natural sound building block parts.The present application will be audio, image, story of music part theory;The shape of building block is puppy, frog, bee, small flower, pine, bird, star, through harmonic and seven natural sound one-to-one correspondence, children contact music when building building block through "shape+harmonic" mode, use harmonic to strengthen scale memory, after use, corresponding natural organism will imitate and sing corresponding scale, so as to strengthen memory again.

The invention discloses a multi-mode light-supplementing sleep-aiding control circuit, device and system integrating sound, light and smell, and a control method, and relates to the technical field of electronic circuits. The circuit comprises a main control module, a light supplementing module, a sleep-aiding lamplight module, an environment sensing module, an aromatherapy module, a power amplifier loudspeaker module and the like, low-blue-light soft and brightness-adjustable illumination is output through the light supplementing module, and the problems of too strong blue light, screen stroboflash and reading fatigue when an intelligent terminal is used are solved. The sleep-aiding light module can be adjusted to warm color temperature, the mood is relaxed, and illumination secreted by melatonin is not damaged. The environment sensing module collects environment light and proximity distance information in real time, so that the equipment can intelligently adjust the light supplementing brightness and the sleep-aiding lamp mode; hot fumigation closed-loop control is adopted for the aromatherapy module, constant-temperature adjustment is achieved through temperature sampling, and volatilization of sleep-aiding fragrance is more stable and safer; the power amplifier loudspeaker module provides stable output for white noise, natural sound and rhythmic respiration guiding sound, and provides reliable acoustic assistance for sleep adjustment.

The invention discloses a nerve regulation and control treatment method, system and device and a medium, and the method comprises the steps: designing a nerve regulation and control investigation and inquiry template, evaluating the nerve state of a patient, and generating an evaluation report; carrying out sound treatment technology applicability screening on the patient; selecting a plurality of sections of universal biological natural sound noise, providing the universal biological natural sound noise to the patient passing the applicability screening of the sound treatment technology for audition, and selecting the universal biological natural sound noise with a relatively high adaptability threshold as an initial nerve regulation treatment audio; carrying out hearing test, generating debugging parameters, debugging the initial treatment audio, and generating recommended nerve regulation treatment audio; and performing nerve regulation treatment on the patient based on the recommended nerve regulation treatment audio, and checking the treatment effect. According to the invention, a series of hearing tests are carried out on the patient, the debugged recommended nerve regulation treatment audio is generated for patients with different symptom types, and the nerve regulation treatment effect is effectively improved.

In at least one embodiment, an apparatus for generating audio in a listening room of a vehicle is provided. The apparatus includes a memory device and at least one audio controller. The at least one audio controller is programmed to receive an incoming audio signal comprising primary audio data from an audio source for playback, and to receive a first control signal indicative of a desired location for playback of the primary audio data. The at least one audio controller is further programmed to adjust reverberation of at least the incoming audio signal to play the primary audio data in a desired location of the vehicle and to receive a second control signal indicative of a desired natural sound to play in the listening room. The at least one audio controller is further programmed to play the desired natural sound along with primary audio data in the desired venue.

The invention provides a vision tracking training early education toy with a built-in projection function, and relates to the technical field of vision tracking toys, the vision tracking training early education toy comprises a reciprocating motion toy, and the reciprocating motion toy comprises a shell serving as an integral framework to play a supporting and protecting role; the shell cover is detachably mounted at the port of the shell to close the shell and protect the interior of the shell; the projection part is arranged in the shell, can rotate along with the shell and keep the position unchanged, and can project different images; the eccentric module can adjust the overall gravity center position; the whole body can be driven by the moving part to transversely move; the inertia module can brake the moving part to be matched with the eccentric module to enable the whole body to turn over. The toy is driven by the moving part to integrally move in a transverse reciprocating mode, the toy is matched with the synergistic effect of the eccentric module and the inertia module to achieve the overturning action, diversified and non-monotonous movement tracks are formed, meanwhile, low-intensity natural sound generated along with the overturning action can continuously attract the attention of a baby, the baby is guided to actively follow the sight, and the safety of the baby is improved. And the visual tracking capability and the attention concentration degree are effectively exercised.

The invention discloses a natural sound recognition device for an online monitor, and relates to the technical field of natural sound recognition, and the device comprises an acquisition module which is used for synchronously acquiring sound signals of double monitoring points; the decomposition module is used for decomposing the sound signal to obtain energy distribution and cross-point coherence of each frequency band; the core narrowband determination module is used for determining a cross-point coherent core narrowband; the energy relation judgment module is used for confirming whether inter-band slope inversion exists in the core narrow band or not; the periodic resonance judgment module is used for determining whether periodic resonance exists or not; the cicada group identification module is used for identifying a cicada group dominant time period; and the sound correction module is used for performing frequency spectrum separation and filtering on the sound signals in the dominant period of the cicada group, and keeping other natural sound source signals to obtain a corrected identification result. According to the invention, the dominant time period of the cicada group can be accurately identified, and the concealment of other natural sounds by cicada group signals is eliminated.

A Bluetooth earphone allowing for switching between in-ear and open modes, comprising a sound producing member, an ear hook, and an ear tip, wherein the sound producing member is provided with a sound producing hole, the ear hook is connected to the sound producing member, and in a worn state, the ear hook is configured to wrap around the auricle from the concha of a user so that the sound producing hole is arranged towards the ear canal of the user; the ear tip is detachably connected to the sound producing member and is used for transferring sound passing through the sound producing hole to the ear canal, and when the ear tip is connected to the sound producing member and the earphone in the worn state, the ear tip is configured to fit the ear canal of the user; when the ear tip is separated from the sound producing member and the earphone in the worn state, the sound producing hole is not aligned with the ear canal of the user. By switching the state of the ear tip, the user can select an in-ear mode having a better noise isolation effect or an open mode having a natural sound effect, thereby satisfying audio requirements in different environments.

The present invention addresses the problem of providing a sound system for a seat and a seat with a built-in speaker that make it difficult for others to listen to sound to be listened. [Solution] In addition to four loudspeakers (141) (SLI1, SLI2, SRI1, SRI2) that emit sounds from the left and right sides of the head toward the inside of a seat (100) with built-in loudspeakers, four loudspeakers (141) (SLE1, SLE2, SRE1, SRE2) that emit sounds from the left and right sides of the head toward the outside of the seat (100) with built-in loudspeakers are provided. The sound field control filter processes the sound to be listened output to each speaker (141). Sound pressure and sound pressure gradient (sound pressure gradient) are as zero as possible at boundary (BS1) of peripheral area (A1) of user seated in seat (100) with built-in speaker, and sound to be listened reaches audiovisual area (A2) around head of user seated in seat (100) with built-in speaker when sound to be listened has natural sound pressure suitable for listening to sound to be listened and in the internal mode, the sound field is controlled.

The utility model discloses a low-noise dynamometer environment test chamber, which comprises an outer chamber arranged on the ground and an underground chamber arranged under the ground and positioned below the outer chamber, a platform frame, a dynamometer device partially penetrating out of the platform frame and a track laid on the inner bottom wall of the underground chamber are arranged in the underground chamber, a connecting plate in contact with the track is arranged at the bottom of the work testing device, a micropore sound absorption plate is arranged on the inner side wall of the underground cabin, and a sound insulation plate is arranged on the inner top wall of the platform frame. The micropore sound-absorbing plate is arranged on the inner side wall of the underground cabin, the micropore sound-absorbing plate has good sound-absorbing performance and can effectively absorb and reduce environmental noise, meanwhile, the sound-insulating plate is used for blocking the noise from being transmitted into the outer cabin from the underground cabin to a certain extent, the noise in the outer cabin is reduced, in addition, the underground cabin is arranged under the ground, and the noise in the outer cabin is reduced. And by combining with the outer cabin on the ground, not only is the underground space effectively utilized, but also the overall sound insulation performance is enhanced through the natural sound insulation effect of the underground space.

This invention belongs to the field of indoor acoustic effects technology and discloses a sound reflector structure for indoor ceilings and its installation method. The sound reflector structure includes: a frame; a top plate; a spherical panel, with a first overlapping edge and a second overlapping edge forming an overlapping seam; the surface of the spherical panel has a water ripple texture to reflect and diffuse incoming sound waves; and a first filler material to fill the overlapping seam so that the spherical panel and the top plate fit together to enclose the frame; the spherical panel, the top plate, and the first filler material are all made of GRG material. This invention improves the sound field strength and reduces low-frequency absorption by designing the sound reflector with a unique water ripple texture and a specific curved surface calculated acoustically, and by using GRG material with superior acoustic performance. This improves the reverberation time and surround sound effect in the auditorium, achieving a balance between early and late reflections, thus realizing a purely natural sound environment.

The application discloses an AI-based bird soundprint analysis method and system, which comprises the following steps: collecting continuous environmental audio data, generating original audio clips, and constructing a multi-channel sound spectrum input tensor; inputting a double sound source structure coding network, screening a same sound emitting body candidate clip set; clustering and arranging the candidate clip set, constructing a tension debt backfolding chain, and generating a song tension evolution state; performing connection matching based on the tension evolution state, determining a tension foldback closed loop, and determining a song closed loop body; extracting a song structure evolution sequence, constructing a cross-transposition self-isomorphic seal spectrum, screening a stable bird soundprint body; generating a stable soundprint embedding representation, and outputting corresponding bird category and soundprint analysis results. The application realizes accurate determination of the continuous stable soundprint structure of the same sound emitting body in a complex natural sound field through double sound source structure coding, tension debt backfolding chain construction and cross-transposition self-isomorphic seal spectrum matching.

This invention discloses a speaker array design method and structure based on path difference compensation, belonging to the field of acoustic structure design technology. The method includes: establishing a parametric three-dimensional model of the speaker array, dividing the speakers into a right channel group, a reverse right channel group, a left channel group, and a reverse left channel group; setting listening area parameters and setting multiple sampling positions within the range; setting left and right ear reference points at each sampling position; calculating the path difference at each sampling position through acoustic simulation; and using a numerical optimization algorithm to obtain the optimal speaker layout parameters by minimizing the maximum path difference across all sampling positions. This invention, through a four-channel structure and optimization design method, achieves stereo separation over a wide listening distance, solving the problem of lack of stereo sound in narrow-box electronic devices. It eliminates the need for DSP chips and complex algorithms, offering advantages such as low cost, natural sound, and no "sweet spot" effect.

This utility model discloses a hollow open-structure speaker, comprising a cone, a U-cup, a voice coil, and a magnet arranged sequentially from the outside in. The cone, U-cup, voice coil, and magnet are all hollow annular structures. A diaphragm covers the open side of the cone and U-cup, and a bonding plate is also provided on the side of the cone away from the diaphragm. The hollow annular structure of the cone, U-cup, voice coil, and magnet forms an air resonant cavity. Sound waves are amplified through resonance in the cavity and diffused in multiple directions through the tuning hole at the bottom of the cone, achieving a more natural sound field distribution. This utility model can serve as a core component of headphones, avoiding completely closed soundproofing designs without compromising sound quality. It allows for harmonious coexistence with the surrounding environment without isolating the external environment. Simultaneously, the open structure avoids the ear pressure accumulation problem of closed-back headphones, improving long-term wearing comfort, while also reducing the risk of bacterial growth due to air circulation in the ear canal.

An earphone with array frequency multiplication speaker is provided, which includes an outer shell, a center of an inner side of the outer shell is provided with a hollow mounting seat. An inner side of the hollow mounting seat is provided with a large dynamic coil for expressing middle and low frequencies. A center of an upper of the hollow mounting seat is provided with a noise reduction microphone, the upper of the hollow mounting seat is provided with a plurality of speaker units located at an outside the noise reduction microphone. The plurality of multiple speaker units are arranged in an annular array with the noise reduction microphone as an axis, so as to enhance an overall sound performance of the earphone and better reflect a depth of the sound, this earphone has a wide frequency response range, clear and natural sound quality, smooth response frequency.

The present invention provides technology capable of masking noise in a space without impairing comfort in the space. This sound reproduction device acquires sound data in which a plurality of types of natural sounds are combined, reproduces the acquired sound data, and outputs the reproduced sound data to a speaker.

The invention discloses a portable music physiotherapy device which comprises a bracelet shell, a control box is fixedly mounted in the bracelet shell, four recording and broadcasting microphones are fixedly mounted in the bracelet shell, a mounting seat is fixedly mounted on the outer side of the bracelet shell, and a display screen is fixedly mounted on the top of the mounting seat. A switch button and an adjusting button are mounted on the two sides of the top of the mounting base correspondingly, and a heart rate monitor is fixedly mounted in the bracelet shell; the mood state of a user is judged according to the heart rate, and the controller controls the recording and broadcasting microphone to play corresponding music, so that the physical therapy effects of playing joyful music when the mood is low, playing soft music when the mood is excited and playing light music when the mood is stable are achieved, a personalized music physical therapy mode is adopted, accurate adjustment can be conducted according to different mood states of the user, and the user experience is improved. The psychological state of a user is effectively improved, psychological health is promoted, external natural sound can be recorded and stored in a control box storage after being processed by a microprocessor, and follow-up playing physiotherapy is facilitated.

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 invention discloses a song playing method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a target cut-out time point of a first song from candidate cut-out time points based on first difference information of audio feature information of the first song and a second song, determining a target cut-in time point of the second song from the candidate cut-in time points; determining transition processing parameters based on the audio feature information of the first song and the second song; and processing and playing a first music segment corresponding to the target cut-out time point of the first song and a second music segment corresponding to the target cut-in time point of the second song based on the transition processing parameters in response to the situation that the first song is played to the position corresponding to the target cut-out time point. Therefore, the transition processing parameters used for joining the two songs can be dynamically determined, and then corresponding song joining processing is executed, so that the seamless joining effect of rhythm coherence and natural listening feeling is achieved.

A double-layer rubber edge passive vibration plate comprises an upper rubber edge which is made of an elastic soft rubber material and is formed on a balancing weight in a vulcanization mode; the balancing weight is embedded into the upper rubber edge; the lower rubber edge is fixed with the upper rubber edge and the balancing weight through an adhesive; the passive plate is novel in structure and ingenious in conception, and the double-layer rubber edge design optimizes the vibration characteristics of the passive plate, so that the sound quality performance of the sound box is remarkably improved, distortion and abnormal sound are reduced, and purer and more natural sound experience is brought. The application of the vibration balance theory further improves the vibration balance of the passive plate, so that the sound is more accurate and stable.

The utility model provides a sleep lamp, and relates to the technical field of household appliances. The sleep lamp provided by the utility model comprises a base; the lamp shell is connected to the base, and the lamp shell is provided with a light outlet; the lamp assembly is arranged in the inner cavity of the lamp shell and connected with the base, and the lamp assembly can emit infrared light; the circuit unit is arranged in the inner cavity of the lamp shell, and the circuit unit is connected to the base and electrically connected with the lamp assembly; the sound module is electrically connected to the circuit unit, and the sound module can emit sound waves and natural sounds of different frequency bands; the touch control module is electrically connected to the circuit unit, and the touch control module is used for being touched to trigger the circuit unit to control the lamp assembly to emit light and the sound module to produce sound. The sleep lamp provided by the utility model can provide safe illumination at night and create a comfortable sleep environment, and helps people to improve the sleep quality.

The utility model discloses an ANC earphone receiver, which relates to the technical field of ANC earphone receivers and comprises a cover, a support is fixedly mounted at the bottom of the cover, and a first tuning net is fixedly mounted at the bottom of the support. In order to ensure the performance of high low frequency, smooth curve, low distortion / high frequency ductility, ensure that the diaphragm vibrates under high power and has good rebound resilience under pressure, and ensure that the sound is clear and natural on the premise of strong bass, the compression-resistant sponge between the diaphragm and the washer can be used for preventing the diaphragm and the washer from falling off, so that the diaphragm and the washer are not prone to falling off, and the service life of the diaphragm and the washer is prolonged. The sponge has no influence on product performance, the height of the compression-resistant sponge is larger than the vibration distance of the product at the maximum volume, it can be guaranteed that the diaphragm bears the diaphragm firstly under the condition of external air pressure or direct pressure of an external object, the center of the diaphragm and the center of the voice coil cannot make contact with other components, and therefore it can be guaranteed that the diaphragm is in a normal working state all the time.

The application discloses a sleep auxiliary system and method for dynamic natural sound simulation, and particularly relates to the technical field of sleep assistance, which comprises obtaining historical preference data of a user and obtaining external environment data, generating a first reference coefficient based on the historical preference data of the user and the external environment data, wherein the historical preference data comprises a sound type, a volume value and a playing time length; obtaining historical sleep cycle data of the user, and inputting the first reference coefficient and the historical sleep cycle data into a pre-constructed first sound training model; the application determines a sleep state based on a real-time obtained physiological evaluation coefficient, compares the sleep state with a preset sleep time length, and optimizes a sound playing strategy, thereby realizing dynamic intelligent regulation and control of sleep assistance. In the sleep process, sound parameters can be adjusted in real time according to actual time length conditions of a light sleep state, a deep sleep state, a dream state or a wake-up state of the user.

A method performed at a processing entity of a vehicle cabin is provided. The method comprises the steps of: receiving, from one or more external microphones of the acoustic system located outside the vehicle cabin, an external acoustic signal associated with an external acoustic sound originating from the outside of the vehicle cabin; generating a processed acoustic signal based on the external acoustic signal; and causing the processed acoustic signal to be reproduced inside the vehicle cabin by the acoustic system. The method allows an immersive audio effect to be generated in the vehicle cabin, immersing an occupant of the vehicle into a natural sound-producing environment, while allowing an atmosphere inside the vehicle cabin that is isolated from the atmosphere of the natural sound-producing environment. Furthermore, an acoustic system, a processing entity and a computer program product for carrying out the steps of the method and uses thereof are provided.

[Problem] A technical problem of the present disclosure is to suppress the occurrence of howling in advance, and to enable reproduced sound to be heard as natural sound. [Solution] The present disclosure is any one of electroacoustic transducers including headphones and earphones worn on the head, and comprises: a microphone 2; a speaker unit 3 that acoustically reproduces sound collected by the microphone 2; a signal generation unit 11 for converting the sound collected by the microphone into a signal having predetermined characteristics; an amplitude detector 15 that detects an amplitude of the sound collected by the microphone and a change in the amplitude; and an adder 16 that generates a drive signal for driving the speaker unit. The amplitude detector 15 has a detection function of detecting a characteristic change in a surrounding environment and a signal processing system by detecting that an amplitude in a high-frequency band exceeding an audible band of the sound has exceeded a predetermined amplitude.

The application relates to the field of voice analysis, and discloses a natural sound interference stripping algorithm and application thereof in noise monitoring, which is used for efficiently and accurately stripping interference components in a target voice signal in a complex natural sound environment. The application comprises the following steps: synchronously collecting environmental sound signals by using a spatially distributed microphone array to generate original mixed voice signals with spatial coherence, performing real-time fractional differential processing to strengthen resonance characteristics, realizing spatial separation of voice guide wave modes and interference radiation modes through real-time phase analysis, extracting interference radiation mode components, reconstructing time-domain interference waveforms, and outputting pure target voice signals according to the original mixed voice signals and the reconstructed interference waveforms. The application has the functions of residual interference sound energy recovery, equipment vibration suppression, environmental mutation monitoring and system resetting, and double-mode output, effectively improves the stability, reliability and practicability of the system, and can accurately extract pure voice in a complex environment.

An object of the system according to the embodiment is to generate BGM in real time based on a natural sound.SOLUTION: A system includes a natural sound collection unit, an analysis unit, and a generation unit. The natural sound collection unit collects a natural sound. The analysis unit analyzes the natural sound collected by the natural sound collection unit. The generation unit generates BGM on the basis of the natural sound analyzed by the analysis unit.SELECTED DRAWING: Figure 1

This invention patent provides a speech enhancement method and apparatus for a multi-mode digital hearing aid, comprising: acquiring natural sound information of the external environment and performing noise reduction processing on the natural sound information to obtain comprehensive sound information; analyzing the comprehensive sound information to obtain a set of sound source information, wherein the sound source information includes frequency information, magnitude information, orientation information, and distance information; selecting the most suitable sound source information as the main sound source based on multiple gain methods, wherein different gain methods have different weights; and differentially amplifying and outputting the main sound source and other sound sources according to a preset gain method, wherein the frequency information, magnitude information, orientation information, and distance information of different sound sources can be obtained based on the environmental sound waveform diagram, acoustic model, and time difference of acquiring the same environmental sound, and different gain methods are used to select the gain sound source, and the gain sound source selected most frequently is used as the main sound source for output.

The invention provides a human body linkage immersive VR sightseeing interaction system and a human body linkage immersive VR sightseeing interaction method, and the system employs a motion perception-intelligent decision-scene response integrated interaction architecture. Comprising a leg motion sensing module, a motion-scene collaborative decision-making module and an immersive VR park scene presentation module worn on the head, wherein the leg motion sensing module realizes millisecond-level data linkage by adopting BLE 5.0 connection and is fixedly mounted at the middle section of crus gastrocnemius muscle; wherein the leg motion sensing module comprises a six-axis inertial motion capturing unit used for collecting walking motion characteristics of the old people; the exercise-scene collaborative decision-making module comprises an old people exercise ability adaptation unit with a built-in dynamic threshold model; and the immersive VR park scene presentation module comprises a multi-sensory immersion unit with a built-in natural sound effect library. According to the invention, the solitary feeling of old people during exercise is relieved, and the exercise willingness is improved; the elderly are guided to actively adjust the exercise intensity, and safety and the exercise effect are both considered; the device adapts to the physical characteristics and capabilities of old people.

The invention relates to collagen nanofiber and lignin composite sponge with an aperture-adjustable layered porous structure, preparation of the collagen nanofiber and lignin composite sponge and application of the collagen nanofiber and lignin composite sponge as a sound absorption material, and belongs to the technical field of noise pollution treatment. The main raw materials of the sound-absorbing sponge are collagen and lignin, collagen nanofiber sponge is used as a framework, and after lignin is doped, the composite sound-absorbing sponge (CLS) with a multi-stage layered pore structure with a loose upper layer and a compact lower layer is formed. Based on the structure, the material shows high porosity (gt; compared with the prior art, the material provided by the invention has the advantages that the material has excellent low-frequency sound absorption performance (the sound absorption coefficient in the frequency range of 2000-6300Hz exceeds 0.9), light weight (10mg / cm < 3 >) and wide-frequency range sound absorption characteristic (the sound absorption coefficient in the frequency range of 2000-6300Hz exceeds 0.9), and meanwhile, the material has extremely excellent low-frequency sound absorption performance, and the noise reduction coefficient NRC of a sample under the thickness of 30mm reaches 0.64 and is far better than that of a natural sound absorption material and a commercial acoustic material which are reported at present.