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299 results about "Sound generation" patented technology
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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
Systems for bone conduction speaker
ActiveUS12452616B2Bone conduction transducer hearing devicesSupra/circum aural earpiecesSound generationSound quality
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
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
Information processing apparatus, information processing system, information processing method, and program
PendingUS20260075377A1Sound producing devicesFrequency response correctionInformation processingSound generation
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
Machine-learned generative audio models for video-synchronized audio generation
PCT designated stageWO2025254641A1Electronic editing digitised analogue information signalsSpeech analysisSound generationAudio frequency
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
Open earphones
ActiveUS12477280B2Frequency/directions obtaining arrangementsSingle transducer incorporationEar AuricleSound generation
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
PendingDE102025117861A1Loudspeaker screensFrequency/directions obtaining arrangementsSound generationMembrane surface
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
ActiveCN116564030BElectric transmission signalling systemsBurglar alarmComputer hardwareSound generation
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
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Audio signal processing device
PendingCN121751049ASignal processingStereophonic circuit arrangementsSound generationAudio frequency
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
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
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
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
REFLEXIVE SOUND DIFFUSION SPEAKER, SPATIALIZED SOUND GENERATION METHOD AND ASSOCIATED HOME CINEMA INSTALLATION
The invention relates to a reflective sound-diffusion enclosure (10) for diffusing sound waves in a space comprising at least one flat reflective surface, forming a reflection plane; the reflective sound-diffusion enclosure comprising a chassis (32) which includes a mounting surface for loudspeakers (36); an array of at least two adjacent loudspeakers (36) mounted on said mounting surface (34) of the chassis, the loudspeakers (36) being arranged at an angle of inclination (β); and a control system (42) configured to send a specific electrical signal to each loudspeaker (36) and to control the electrical signals in amplitude and phase according to a spatial filtering method. The enclosure (20) also includes a waveguide (38) with at least one acoustic wall (40) disposed in front of the loudspeakers (36). Figure 2 is shown for abbreviated purposes.
Owner:FOCAL JMLAB(SA)
Method, device and storage medium for drum sound generation
The application provides a drum audio generation method, device and storage medium, and relates to the technical field of artificial intelligence. The method comprises the following steps: detecting an audio time length setting operation of a user; generating a drum performance instruction file corresponding to a drum audio of a target time length based on a drum performance instruction generation model, wherein the target time length is indicated by the audio time length setting operation, and the drum performance instruction file comprises rhythm information of at least one drum type; detecting a drum beat rhythm adjustment operation of the user; adjusting the rhythm information of the at least one drum type based on the drum beat rhythm adjustment operation; and generating drum audio based on the adjusted rhythm information of the at least one drum type. The application can generate personalized drum audio.
Owner:TENCENT MUSIC ENTERTAINMENT TECH (SHENZHEN) CO LTD
Loudspeaker system
A speaker system may include a pressure vessel, an active acoustic radiator, a sound channel, and a vent. The pressure vessel may be disposed outside the vehicle housing. The pressure vessel may be configured to maintain a controlled environment different from an environment external to both the pressure vessel and the vehicle enclosure. An active acoustic radiator may be disposed within the pressure vessel and may radiate acoustic emissions external to the vehicle enclosure. The active acoustic radiator includes a magnetic circuit, a movable diaphragm, and a voice coil. A sound channel may fluidly connect the interior of the pressure vessel with the interior of the vehicle enclosure. The sound channel may radiate an acoustic emission into an interior of the vehicle enclosure, the acoustic emission being substantially in-phase with an acoustic emission generated outside the vehicle by the active acoustic radiator within a range of operating frequencies. The vent may connect an interior of the pressure vessel to an environment external to both the pressure vessel and the vehicle enclosure. The resulting system provides efficient sound generation inside and outside the vehicle without efficiency or sound fidelity impairment of existing systems.
Owner:ALPS ALPINE CO LTD
Miniature wind generating set
The invention relates to the technical field of wind driven generators, in particular to a miniature wind driven generator set which is used for solving the problems that in the prior art, the standard of abnormal sound of a wind driven generator is not determined, the abnormal sound is mostly found manually, and the abnormal sound is often noticed when the problem appears. Vibration parameters of a tower, a wind wheel and a generator are monitored in real time, a vibration abnormal value is analyzed based on the vibration parameters, a sound signal in a monitoring environment is acquired, an abnormal sound generation value is analyzed, and whether abnormity exists or not is determined according to data output by a vibration monitoring analysis subsystem and an abnormal sound monitoring control subsystem. According to the invention, fault sources can be identified and positioned more accurately, false alarms and missing alarms are reduced, and the accuracy of abnormality diagnosis is improved.
Owner:SUZHOU DANDI INFORMATION TECH CO LTD
Volume control device
A volume control device is included in a sound generation system, and the sound generation system controls a sound generator to generate a sound based on sound data. The volume control device controls a volume of the sound data, and includes at least one of (i) a circuit and (ii) a processor with a memory storing computer program code executable by the processor. The at least one of the circuit and the processor is configured to cause the volume control device to: store and accumulate, in a storage, target volumes repeatedly set at a predetermined period; and sequentially determine, as the volume of the sound data, a moving average of the target volumes accumulated in the storage during a predetermined average target period.
Owner:DENSO ELECTRONICS CORP ANJO CITY
Acoustic device
A speaker unit on the left side and a speaker unit on the right side are included in a case positioned behind a listener. Sound generation openings and bass-reflex ports are formed in the case on the left side and right side. From each sound generation opening, sound pressure generated forward by the relevant speaker unit is output. Each bass-reflex port communicates with an air chamber to which sound pressure behind the speaker unit is transmitted. With each sound generation opening, the opening dimension in the up-down direction is larger than the opening dimension in the horizontal direction. With each bass-reflex port, as well, the opening dimension in the up-down direction is larger than the opening dimension in the horizontal direction.
Owner:ALPS ALPINE CO LTD
Podcast sound generation settings graphical user interface for electronic devices
1. Name of the product in this design: Graphical User Interface for Podcast Sound Generation Settings in Electronic Devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key points: Design 2 main view. 5. Design 2 is designated as the basic design. 6. Purpose of the graphical user interface: To display the podcast audio settings interface. 7. Description of the changing states of the graphical user interface: In the main view of Design 1, you can select gender, language of speech, mood, etc. Then click "Listen" to listen to the podcast sound after the current settings, and click "Synthesize Podcast" to get the podcast with the current sound settings. The change state of Design 2 is the same as that of Design 1.
Owner:WANGYIYOUDAO INFORMATION TECH BEIJING CO LTD
Calibration method and sound generation module
To provide a calibration method for a sound generation module that produces consistent acoustic performance, and the sound generation module.SOLUTION: In the calibration system, the calibration method comprises a step of adjusting the operating frequency fv of the air pulse generation device so that the sound pressure level (SPL) of the air pulse generation device falls within a certain range. The sound generation module includes an air pulse generation device that generates sound by generating a plurality of air pulses at a pulse rate corresponding to the operating frequency.SELECTED DRAWING: Figure 8
Owner:XMEMS LABS INC
A feature screening system for assessing the emotional interference effect of impulse sounds
The application discloses a kind of feature screening systems for evaluating the emotional interference effect of impulse sound, it is related to cognitive neuroscientific technology field, it solves the problem that there is no effective screening impulse sound characteristics affecting emotion in prior art.The system comprises: sound generation module, for the independent variable of impulse sound is cross designed to form multiple sound stimuli, and multiple subjects are respectively experimented using multiple sound stimuli;Data acquisition module is used to collect experimental data in the process of within-subject experiment;The experimental data include the physiological signal of each subject under each sound stimulus, emotional valence score and arousal score;Data processing module is used to process experimental data in the process of within-subject experiment, and the dependent variable of impulse sound under each sound stimulus is obtained;Data analysis module determines the feature screening result of impulse sound inducing emotion by analyzing the correlation between the independent variable and dependent variable of impulse sound under sound stimulus.
Owner:BEIJING MECHANICAL EQUIP INST