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426 results about "Sound generation" patented technology

Smart volume controller and method thereof

A controller configured to control a sound producing module includes a volume controlling unit configured to determine a demodulation amplitude and a modulation amplitude corresponding to a target volume. The sound producing module comprises a driving circuit and an air-pulse generating device. The driving circuit generates a demodulation driving signal according to the demodulation amplitude and generates a modulation driving signal according to the modulation amplitude, so as to drive the air-pulse generating device. The air-pulse generating device produces sound via generating a plurality of air pulses at an ultrasonic pulse rate.
Owner:XMEMS LABS INC

Sound generation method based on multiple modes

The invention discloses a sound generation method based on multiple modes, and belongs to the technical field of artificial intelligence and multimedia generation, and the method comprises the following steps: S1, multi-mode input: inputting multi-mode contents, including texts, videos, images, music and audios; s2, feature extraction; s3, feature alignment: additionally adding three corresponding small networks for the three extracted features, aligning the three extracted features in dimensions, and generating three aligned features; s4, feature splicing: splicing the three aligned features front and back, and inputting the spliced features together to generate a large model; s5, training a large model; s6, calculating a loss function; and S7, outputting audio or music. According to the method, multiple modes including texts, videos, images, music and audios serve as input, high-quality audios or music is generated in combination with the generation capacity of the large model, and due to the fact that the input modes are multiple modes, corresponding music or audios can be generated only by inputting one or more modes.
Owner:DATA TRANSMISSION GRP

Personalized singing cloning system and matching method based on deep voiceprint feature matching

The invention relates to the technical field of singing synthesis, and discloses a personalized singing cloning system and matching method based on deep voiceprint feature matching, and the system comprises a user personality modeling module, a style modeling module, a semantic melody joint perception module, a singing synthesis module and an emotion consistency matching module. According to the method, personality and style vectors are generated by extracting voiceprint, emotion and sound production control features of a user, a song sound spectrogram is generated by using a diffusion model in combination with lyric semantics and melody structures, and finally the model is discriminated and optimized through emotion consistency. By extracting the voiceprint feature, the emotion expression feature and the sounding control feature of the user and fusing the features with the style control vector and the semantic melody information, the singing sound which meets the individuation requirement and is consistent in style can be generated, the defects of a singing sound synthesis model in individuation and style consistency expression in the prior art are overcome, and the user experience is improved. And more accurate personalized singing sound generation capability is provided.
Owner:SHENZHEN ZHONGLU CULTURE COMMUNICATION CO LTD

Systems for bone conduction speaker

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

Calibration Method and Sound Producing Module

A calibration method comprises adjusting an operating frequency of an air-pulse generating device, such that a sound pressure level (SPL) of the air-pulse generating device is within a specific range. The sound producing module comprises the air-pulse generating device configured to produce sound via generating a plurality of air pulses at a pulse rate corresponding to the operating frequency.
Owner:XMEMS LABS INC

Sound control system, vehicle including the same, and sound control method

A sound control system includes a sound generating device disposed at a vehicle ceiling corresponding to a seat region of the vehicle and at a sound space formed within the vehicle to correspond to the seat region, and a sound processing circuit for providing a vibration driving signal to the sound generating device. The sound generating device vibrates an interior material of the vehicle ceiling based on the vibration driving signal.
Owner:LG DISPLAY CO LTD

Computer-implemented sound calibration method, system and storage medium

A computer-implemented sound calibration method, a system and a storage medium are provided. A test audio is played by a subwoofer and a main speaker, transmitted audio is collected by an audio collection device at a primary listening position, a sound generation delay and a volume parameter difference are analyzed, and the subwoofer is calibrated based on of a frequency response curve of a scenario, so as to solve the problem in the related art where the user experience is adversely affected due to low sound calibration accuracy between the subwoofer and the main speaker.
Owner:LINKPLAY TECHNOLOGY INC NANJING

Sound Generation Apparatus and Electronic Device

A sound generation apparatus comprises a transducer, a driving apparatus, and a control circuit. The driving apparatus is connected to the transducer. The control circuit is electrically connected to the transducer and the driving apparatus. The control circuit is configured to drive a vibration member of the transducer to vibrate, and the control circuit is further configured to control the driving apparatus to drive the transducer to perform periodic motion. The transducer is disposed to emit a first sound wave to the outside while performing periodic motion.
Owner:HUAWEI TECH CO LTD

Audio device and intelligent wearable device

Disclosed are an audio device and an intelligent wearable device. The audio device includes: a housing in which a first sound generation unit and a second sound generation unit are disposed, each of the first sound generation unit and the second sound generation unit has a front cavity and a rear cavity separated from each other, and the housing is provided with a first front sound hole in communication with the front cavity of the first sound generation unit, a second front sound hole in communication with the front cavity of the second sound generation unit, and a rear sound hole in communication with the rear cavity of the second sound generation unit. The audio device further includes a sliding baffle, wherein the sliding baffle is slidable between a first position and a second position with respect to the housing, and the sliding baffle is provided with a hole.
Owner:GOERTEK INC

Road vehicle provided with an aerodynamic sound generation system

A road vehicle having: a bottom wall, which, in use, faces a road surface; a body, which delimits a passenger compartment; and an aerodynamic sound generation system, which is configured to generate sounds making use of the head wind, namely the movement of air relative to the road vehicle generated by the forward movement of the road vehicle.
Owner:FERRARI SPA

Information processing apparatus, information processing system, information processing method, and program

For example, one object is to realize more excellent sound field correction. An information processing apparatus includes a control unit that converts a transfer characteristic of a sound pressure from a speaker device to a listening position into an energy characteristic, and calculates a correction parameter for correcting a sound field generated by an output sound of the speaker device using the converted energy characteristic.
Owner:SONY GROUP CORP

Active noise reduction control system and method of smart phone

The invention discloses an active noise reduction control system and method for a smart phone. The active noise reduction control system comprises an environment sound acquisition module, a motion state sensing module, a deep learning processing module, a noise reduction signal generation module, a noise reduction execution module, a user preference setting module, a scene recognition module and a power management module. The environment sound collection module collects signals in an omnibearing mode through a multi-microphone space array, data quality is guaranteed through broadband response and a high sampling rate, the motion state sensing module monitors mobile phone motion parameters in real time and provides a basis for noise reduction strategy adjustment, the deep learning processing module adopts a mixed model architecture to be combined with GPU acceleration, noise characteristics are accurately analyzed, and noise reduction is achieved. The noise reduction signal generation module can generate an adaptive noise reduction signal according to an analysis result, and the noise reduction execution module performs active feedback control and a multi-mode sounding strategy; the precision, adaptability and intelligent level of noise reduction are remarkably improved, and the auditory experience of a user using a mobile phone in different scenes is greatly improved.
Owner:ZHEJIANG YUANXING TECHNOLOGY CO LTD

Machine-learned generative audio models for video-synchronized audio generation

Video data is processed with a machine-learned generative audiovisual synchrony model to obtain audio data, wherein the video data depicts occurrence of a sound-producing event at a particular time, wherein the audio data comprises an event sound predicted to be produced by the occurrence of the sound-producing event, and wherein occurrence of the event sound within the audio data is synchronized to the particular time at which the sound-producing event is depicted to occur by the video data. An optimization function is evaluated that evaluates at least the event sound. One or more parameters of the machine-learned generative audiovisual synchrony model are adjusted based on the optimization function.
Owner:GOOGLE LLC

Battery electric vehicle active sound and vibration enhancement systems

An exhaust sound enhancement (ESE) system for a vehicle without an internal combustion engine includes one or more speakers, an amplifier configured to generate and play sounds on the one or more speakers, and a tuned exhaust assembly with a housing configured to resonate, amplify and inter-modulate the sounds from the one or more speakers to mimic exhaust sounds that would be produced by a predetermined internal combustion engine.
Owner:FCA US LLC

Open earphones

The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.
Owner:SHENZHEN SHOKZ CO LTD

Acoustic structure with curved ribs for sound radiation inside the vehicle

The invention relates to a sound guidance structure for a sound-generating device (1) in a vehicle (3), wherein the sound-generating device has a membrane (5) for sound generation and the sound guidance structure has a plurality of curved and non-intersecting ribs (7) which extend in a plane perpendicular to an extension plane of the membrane, wherein each of the ribs (7) has a vertex and wherein the vertices are spaced apart from each other along a straight line which is substantially parallel to the surface of the membrane (5).
Owner:BURMESTER AUTOMOTIVE AUDIO GMBH +1

Safety warning device and control method thereof

This invention discloses a safety warning device and its control method. The safety warning device includes an image acquisition unit, a sound generation unit, a warning light unit, a blocking unit, and a controller unit. The controller unit is connected to the control terminals of the image acquisition unit, the sound generation unit, the warning light unit, and the blocking unit, respectively. The controller unit and the image acquisition unit are connected via a communication unit and a remote terminal, respectively. The control method includes: acquiring on-site images or videos through the image acquisition unit and performing image recognition; calculating the height H of the target object; if H is greater than a first preset value and less than or equal to a second preset value, enabling the sound generation unit and the warning light unit through the controller unit and saving the on-site images or videos; if H is greater than the second preset value, enabling the sound generation unit, the warning light unit, and the blocking unit through the controller unit and saving the on-site images or videos. This invention can provide timely warnings and blocking, thereby ensuring the safe and stable operation of power grid equipment.
Owner:STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED +1

Vehicle and control method thereof

A vehicle and a method of controlling the same are provided, the vehicle including: a sound output unit including a first speaker mounted at a front surface of an exterior of the vehicle and a second speaker mounted at a rear surface of the exterior of the vehicle; a sensor unit configured to collect vehicle driving information and object recognition information; a first processing unit configured to generate a reference sound using the vehicle driving information and the object recognition information, a second processing unit configured to generate a first sound and a second sound using the reference sound; and a third processing unit configured to control the first speaker to output the first sound and control the second speaker to output the second sound.
Owner:HYUNDAI MOTOR CO LTD +1

Battery device and electric device

The invention provides a battery device and a power utilization device, and belongs to the technical field of batteries. The battery device is used for the power utilization device, and the power utilization device comprises a mounting frame. The battery device comprises a box body, a single battery and a bottom protection plate, the box body is provided with a containing cavity, the single battery is located in the containing cavity, the bottom protection plate is located on one side of the box body and comprises a main plate and a mounting plate, a mounting groove is formed in the surface of the main plate, the mounting plate covers an opening of the mounting groove, the mounting plate is connected with the main plate, and the main plate is connected with the box body. The mounting plate is connected with the mounting frame. When the power utilization device faces complex working conditions such as high-frequency vibration and long-time high-load operation, the installation plate is connected with the installation frame, the installation frame can be fixed, and displacement between the installation frame and the battery device or displacement at the connection position of the structure of the installation frame is prevented. The possibility of collision or friction caused by relative movement of components is reduced, and the possibility of abnormal sound is reduced.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Audio signal processing device

The present invention addresses the problem of providing an "audio signal processing device" that achieves a good sense of localization with respect to a sound having a narrow frequency band. [Solution] The present invention is provided with signal processing units provided so as to correspond to respective channels of audio signals of a plurality of channels, and each signal processing unit has: a target sound separation unit (411) that separates a target sound signal indicating a target sound, which is a sound to be subjected to localization enhancement, from a source sound signal, which is an audio signal of the corresponding channel; a sense-of-localization-enhanced sound generation unit that generates a sense-of-localization-enhanced sound signal in which the frequency of the target sound signal separated by the target sound separation unit (411) is multiplied by k (k is an integer of 2 or more); and a synthesis unit that synthesizes and outputs the localization-enhanced sound signal generated by the localization-enhanced sound generation unit and the source sound signal.
Owner:ALPS ALPINE CO LTD

Non-contact Hall drum surface vibration sensing and intelligent pronunciation control method and system

The invention relates to the technical field of pronunciation control, and provides a non-contact Hall drumhead vibration sensing and intelligent pronunciation control method and system, and the method comprises the steps: collecting an original Hall sensing electric signal generated when a user knocks a drumhead through a Hall sensor array in a drumhead, carrying out the signal preprocessing of the original Hall sensing electric signal, and obtaining a pre-processed signal; a standard Hall sensing electric signal is obtained, physical characteristic parameters are extracted, and a first tympanic membrane tension parameter, a damping coefficient and a striking position are obtained; obtaining an initial tympanic membrane tension parameter through a tympanic membrane stress sensor, carrying out the comparative analysis of the first tympanic membrane tension parameter and the initial tympanic membrane tension parameter, obtaining a tension decay value, and obtaining a pitch parameter based on a pre-constructed tension decay value-pitch mapping relation. According to the invention, through signal preprocessing and physical characteristic parameter extraction, key quantities reflecting the physical state of the tympanic membrane, such as a tympanic membrane tension parameter, a damping coefficient and a striking position, are systematically extracted, and a real and accurate physical basis is provided for sound generation.
Owner:MUSIC DREAM (BEIJING) TECH CO LTD

Electronic musical instrument, musical sound generation method, and recording medium

ActiveCN116250035BMusical toneSound generation
According to one aspect of the present invention, an electronic musical instrument generates a string tone signal output from one of the left and right channels based on an input excitation signal corresponding to a specified pitch, and generates a string tone signal output from the other of the left and right channels based on an accumulated signal obtained by accumulating the outputs of the first closed-loop circuit (36A-39A), the second closed-loop circuit (36B-39B), and the third closed-loop circuit (36D-39D) arranged corresponding to the pitch.
Owner:CASIO COMPUTER CO LTD

Dynamic identity monitoring system based on voiceprint and thermal imaging data fusion

The invention discloses a dynamic identity monitoring system based on voiceprint and thermal imaging data fusion, and relates to the technical field of information security and biological recognition, the system can judge whether a user is in an abnormal state such as stress or tension by collecting a user face thermal imaging image and inputting the user face thermal imaging image into a pre-trained deep neural network model; meanwhile, the system extracts voiceprint features of the user, compares the voiceprint features with a pre-registered template, and determines whether the user sounds in real time currently in combination with the matching relationship between the thermal disturbance of the lip region and the sound generation time point; by combining voiceprint recognition and facial thermal imaging analysis, whether the identity of an operator is matched with a voiceprint template or not is verified, whether the operator is a current real sounder or not and whether the operator is in abnormal states such as stress and tension or not is judged in real time, and therefore precise, safe and dynamic control over sensitive operation such as decryption is achieved; and the risks of sound recording pretending and forced decryption are effectively prevented.
Owner:MINAMI ACOUSTICS LTD

Force canceling speaker

ActiveUS12549888B2MicrophonesLoudspeaker diaphragm dampingVibrating membraneSound generation
Aspects of the present disclosure are directed to a speaker system that uses a single driver that results in both force and moment canceling. The speaker system can be mounted within a structure, such as a head mounted display. The speaker system includes a first moving mass, including a sound-producing diaphragm, connected by a primary suspension to a floating basket. The floating basket is both coupled to a second moving mass that controls a voice coil, inducing voice coil movement to produce sound via the diaphragm. A secondary suspension can couple the suspended basket and a fixed frame. The secondary suspension can reduce shaking and contamination generated by the magnet core / motor assembly from seeping into the fixed frame and subsequently to other connected components.
Owner:META PLATFORMS TECHNOLOGIES LLC

Sound generation in a vehicle and a method thereof

5 A system (100) being configured to activate one or more sub-systems (106) of a vehicle, the system (100) comprising: a prime mover (104), the prime mover (104) being configured to power the vehicle; a plurality of sensing units, wherein said plurality of sensing units being configured to measure real time state operating parameter(s) of said vehicle; said plurality of sensing 10 units sensing units being connected to one or more sub systems of the vehicle; a control unit, the control unit being configured to receive input(s) from the plurality of sensing units, wherein the control unit being configured to activate one or more sub systems based on said real time state operating parameter(s). 15
Owner:TVS MOTOR CO LTD

Washboard with a Resonance Chamber

The present invention is a washboard instrument with a resonance chamber that improves the overall sound quality produced by the instrument. The resonance chamber improves the amplitude of any sound produced at a considerably lower rate of loss. Further, the instrument was designed to produce a wide variety of different sounds due to the number of different surfaces that can be struck. Additionally, the front panel can accommodate a number of different accessories that include, but not limited to, bells, jam blocks, and cymbals.
Owner:CINCINNATI WASHBOARDS CO

An ear clip type earphone

This application provides an ear-clip earphone, including a sound-generating unit, a battery pack, an adjustment component, and a connecting arm. The adjustment component has an adjustment space extending along a first direction and includes a first adjustment member connected to the sound-generating unit with no relative movement between them. The connecting arm connects the adjustment component and the battery pack. The first adjustment member can move relative to the connecting arm along the first direction through the adjustment space, thereby driving the sound-generating unit to move within the concha. The ear-clip earphone provided in this application allows the first adjustment member to move the sound-generating unit relative to the connecting arm, adjusting the relative position of the sound-generating unit within the concha. This allows the sound-generating unit to be positioned closer to or further away from the ear canal opening, thus enabling switching between open-ear sound generation away from the ear canal opening and semi-in-ear sound generation entering the ear canal opening. Simultaneously, it reduces sound leakage and noise reduction, adapts to different ear sizes, increases wearing comfort, and provides high adaptability.
Owner:1MORE ACOUSTIC TECH CO LTD

Electronic device

The present invention relates to an electronic device. A display device includes: a display module including a display panel configured to display an image; a rear cover located on a rear surface of the display module; and a sound generation module located at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generation module is covered by the rear cover.
Owner:LG DISPLAY CO LTD

PRODUCE DEVICE, PRODUCE PROCESS AND PRODUCE PROGRAM

The present invention enables the reproduction of a virtual sound source that takes into account the environment in which a user actually hears a sound. This generating device comprises: a detection unit that acquires information about the shape of the room; a setting unit that, based on the shape information acquired by the detection unit, sets the positions of a sound generation point and a sound reception point of a virtual sound source in the room; and a generating unit that, based on the positions of the sound generation point and the sound reception point set by the setting unit and the shape information, generates a room impulse response in the room.
Owner:SONY GROUP CORP

A method and device for identifying abnormal sound sources applied to a vehicle transmission system

The present application relates to the technical field of noise diagnosis, in particular to a method and device for identifying abnormal sound source applied to a vehicle transmission system, the method comprising: acquiring abnormal sound noise data, and confirming an abnormal sound generation period according to the abnormal sound noise data; acquiring transmission system vibration data, and performing time-frequency domain analysis on the transmission system vibration data and the abnormal sound noise data according to the abnormal sound generation period to obtain abnormal sound time domain data; the transmission system vibration data is obtained by vibration detection of the vehicle transmission system at a previous time; performing cross-correlation identification of the abnormal sound source according to the abnormal sound time domain data to obtain an abnormal sound source identification result; the abnormal sound source identification result is used to represent that the abnormal sound source is a gearbox and / or a drive axle. By considering the state of strong coupling connection between the gearbox and the drive axle in the vehicle transmission system, cross-correlation analysis is performed on the abnormal sound time domain data to identify the abnormal sound source, thereby improving the accuracy of identifying the abnormal sound source of the vehicle identification system.
Owner:GUANGXI LIUGONG MASCH CO LTD