55 results about "Natural sounds" patented technology

The invention provides an artificial cochlea objective debugging method and system based on wide-spectrum natural sound evoked electroencephalography, and the method comprises the steps: collecting an auditory electroencephalogram of a tested person under the stimulation of wide-spectrum natural scale sound synthesized by a plurality of vocoders, and carrying out the preprocessing of the auditory electroencephalogram, and obtaining an auditory electroencephalogram data set; training the deep learning network model by using data in the auditory electroencephalogram data set to obtain a trained deep learning network model; the deep learning network model is provided with two convolution layers for extracting features including time frequency and channel information of an auditory electroencephalogram, and is provided with a full connection layer for classification to obtain scale sound sensing electroencephalogram decoding and prediction accuracy; and quantizing different vocoder algorithm performances according to the obtained scale sound sensing electroencephalogram decoding and prediction accuracy, and objectively debugging the artificial cochlea based on the quantized different vocoder algorithm performances.

The embodiments disclose a method including providing an aerial drone coupled wirelessly to a social distancing application on a user digital device, wherein the drone is coupled to solar cell panels for recharging its batteries, providing a strobe light coupled to the drone for signaling an S.O.S. automatically in emergency situations, cellular communication device coupled to the drone for transmitting and receiving messages from the social distancing application, wherein the drone includes a cellular signal strength sensor to automatically move to a location to boost cellular signal strength, and providing at least one camera for capturing images and videos during user directed reconnaissance, drone sensors to detect and measure aerosols including biologics and DNA in an area, electromagnetic fields, barometric pressure, humidity, ambient temperature, wind speed and direction, detection and identification devices to detect unnatural sounds, to analyze and identify manmade, animal and environmental objects and conditions using computer vision.

A children's toy, and electronic device, plays audio files and projects differently-colored light patterns onto a surface in a room in which the device is placed. The light patterns are projected in synchronization with the playback of such audio files. The device allows users to select from different nature sounds, different melodies, or multiple pre-recorded children's stories. The device also enables users to record their own stories for each of several environments, and playback their custom stories together with projections of light in each environment.

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 invention relates to the field of speech analysis, and discloses a natural sound interference stripping algorithm and an application thereof in noise monitoring, which are used for efficiently and accurately stripping interference components in a target speech signal in a complex natural sound environment. Comprising the following steps: synchronously acquiring an environmental sound signal by using a spatially distributed microphone array, generating an original mixed voice signal with spatial coherence, performing real-time fractional order differential processing, strengthening resonance characteristics, realizing spatial separation of a voice guided wave mode and an interference radiation mode through real-time phase analysis, and extracting an interference radiation mode component. And reconstructing a time domain interference waveform, and outputting a pure target voice signal according to the original mixed voice signal and the reconstructed interference waveform. The system has the functions of residual interference sound energy recovery, equipment vibration suppression, environment sudden change monitoring, system resetting, bimodal output and the like, the stability, reliability and practicability of the system are effectively improved, and pure voice can be accurately extracted in a complex environment.

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.

To provide a warning device for a vehicle, warning system for a vehicle, and meter unit capable of outputting an announcement or the like with natural sound while reliably outputting warning sound at timing when warning is required.SOLUTION: In a warning system 200 for a vehicle, a warning control device 40 being a warning device for a vehicle includes: interfaces for controlling in-vehicle infotainment (IVI) speakers 31-34 mounted on a vehicle and communicable with an IVI control device 50 being an in-vehicle acoustic device to output content sound; and a processor for controlling an in-vehicle warning sound speaker 21 mounted on the vehicle so as to allow a crewman in the vehicle to output warning sound. When the warning sound speaker outputs the warning sound, the processor transmits an output instruction to output the warning sound even from the IVI speakers to the in-vehicle acoustic device via the interfaces.SELECTED DRAWING: Figure 2

The invention relates to the technical field of bedding, and discloses a negative oxygen ion superposition sound medicine system and a biological wave resonance brain wave pillow capable of helping sleep, and the system is composed of a negative oxygen ion generation module, a sound medicine playing module, an intelligent control module and a user feedback module. Audio with specific frequency and sound is played through the sound and medicine playing module, natural sound or soothing music is beneficial to soothing the nervous system of a user and promoting relaxation and sleep, the audio playing quality and effect are ensured through audio signal spectrum analysis and sound waveform description, the audio signals are in a proper frequency range, and the audio playing effect is improved. The sleep state and demand of the user are identified through physiological data monitoring and data analysis, and the improvement suggestions are provided according to the data, so that the system function is optimized, the sleep quality of the user is improved, and the beneficial effect that the pillow is assisted to enable the user to quickly fall asleep is achieved.

The invention relates to the technical field of white noise healing, in particular to a white noise healing wall adjusting system fused with psychoacoustics, which comprises a wall device, an audio generation module, a parametric modeling module, a sensor module, a control module and an interactive feedback module. The wall body device is composed of a surface patch made of a light elastic material and an aluminum alloy frame, and a natural sound frequency curve is simulated through mechanical motion; the audio generation module extracts a natural white noise sample and accurately adjusts sound parameters in combination with a mathematical function; the parametric modeling module is used for realizing dynamic adjustment of a wall body by utilizing Grasshopper; the sensor module monitors environment and user behaviors; the interaction feedback module enhances immersion experience through multichannel surround sound and audio visualization. According to the application, by simulating natural auditory experience, dynamically changing sound elements and designing multi-sensory interaction, a user can be helped to recover attention, relieve pressure and improve sleep quality, meanwhile, personalized customization and intelligent environment adaptation are supported, and an innovative solution is provided for healing application in a building environment.

To provide a sleep induction apparatus capable of shifting a state to a sleep state smoothly by a synergetic effect of a sound having fluctuation and light.SOLUTION: A sleep induction apparatus 1 includes: a storage unit 22 for storing a sound source file of a natural sound having fluctuation; a sound reproduction unit for reproducing the natural sound on the basis of the sound source file read out from the storage unit 22; a brightness adjusting unit for changing the brightness of emitted light, matching it to a change in a sound pressure waveform of the natural sound; and a control unit 21 for controlling actuation and operation stop of the sound reproduction unit and the brightness adjusting unit.SELECTED DRAWING: Figure 2

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.

To provide an acoustic system and a building with acoustic system, which can suppress deterioration of work efficiency of a person.SOLUTION: An acoustic system 1 includes: a first sound source 21 which has a first reproduction time T1 and records a first natural sound; a second sound source 22 which is a sound source having a second reproduction time T2 different from the first reproduction time T1 and recording a second natural sound different from the first natural sound; a first reproduction device 31 which can output a first signal and a second signal, which are signals corresponding to the respective first sound source 21 and second sound source 22, by simultaneously and repeatedly reproducing the first sound source 21 and the second sound source 22; and a speaker 5 that receives the first signal and the second signal and outputs a first sound and a second sound corresponding to the first signal and the second signal.SELECTED DRAWING: Figure 1

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.

In some implementations, the device may include receiving, from a user, at a physical white noise control, a white noise volume level. In addition, the device may include receiving, from the user, at a physical melody sound control, a melody sound volume level. The device may include receiving, from the user, at a physical nature sound control, a nature sound volume level. Moreover, the device may include outputting, via one or more speakers, a first sound based on the white noise volume level, the melody sound volume level, the nature sound volume level, a default white noise track, a default melody sound track, and a default nature sound track.

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 invention belongs to the technical field of smart cities and environment regulation, solves the problem of how to enable sound and light to be associated and to be more fused with the surrounding environment, and relates to an urban public space sound scene and illumination intelligent collaboration device, which comprises a collection device configured to collect environmental parameters; the database is used for storing a natural sound source for sound masking; a speaker configured to play a natural sound; the lighting equipment is used for lighting; and the controller is configured to select a natural sound source from the database according to the environmental parameters, generate playing parameters, perform fast Fourier transform on the natural sound source, convert a time domain signal into a frequency domain signal, extract energy intensity of each frequency band and generate control parameters of the lighting equipment in combination with the environmental parameters. The invention also provides an urban public space sound scene and illumination intelligent cooperation method.

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.

The invention discloses a ducted unmanned aerial vehicle, and relates to the technical field of electric vertical take-off and landing aircrafts, the ducted unmanned aerial vehicle comprises a fuselage and a propulsion assembly, the front side and the rear side of the fuselage are provided with a front battery bin and a rear battery bin respectively, the propulsion assembly comprises ducts arranged on the left side and the right side of the fuselage, and motors are arranged at the bottoms of propellers; the motors are electrically connected with batteries in the front battery bin and the rear battery bin through wires, the motors are connected with a flight control system, and the flight control system is used for controlling the rotating speed of all the motors and the thrust direction of all the propelling assemblies. According to the duct type unmanned aerial vehicle, the duct serves as a natural sound barrier, noise generated by the propeller can be reduced, the duct directly radiates noise outwards by restraining blade tip vortex, wake flow is smoothly restrained to reduce turbulence noise, and the multiple blades and the small diameter of the propeller are matched with an acoustic liner to absorb noise in the high-frequency range; therefore, the noise pollution problem of the unmanned aerial vehicle is obviously improved in multiple modes.

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.

In some implementations, the device may include receiving, from a user, at a physical white noise control, a white noise volume level. In addition, the device may include receiving, from the user, at a physical melody sound control, a melody sound volume level. The device may include receiving, from the user, at a physical nature sound control, a nature sound volume level. Moreover, the device may include outputting, via one or more speakers, a first sound based on the white noise volume level, the melody sound volume level, the nature sound volume level, a default white noise track, a default melody sound track, and a default nature sound track.

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.