5560 results about "Sound box" patented technology

A device environment can include a plurality of devices, including an audio device, in communication over a network. An audio device (such as a soundbar) can comprise a speaker, a camera, and other sensors. The audio device can receive information from other devices in the environment including image data from other cameras and physiological data from wearable devices, etc. The audio device can monitor and control aspects of the environment. The audio device can provide information to the user including audible notifications, and can monitor the user including the user's position or physiological condition, alone or in combination with other devices in the environment.

The invention relates to the technical field of intelligent home control, and discloses a control method and a control system of an intelligent sound box. The control method of the intelligent sound box is applied to a control device, and specifically comprises the following steps: S101, collecting a voice instruction of a user, carrying out noise reduction processing and voiceprint feature extraction on the voice instruction, transmitting the processed voice instruction to a semantic analysis engine, carrying out intention recognition on voice content based on a deep learning model, and sending the intention recognition result to a semantic analysis engine; generating a structured operation instruction set; and S102, according to the device identifier contained in the structured operation instruction set. Through dual authentication of voiceprint feature extraction and dynamic verification phrase, the illegal access false recognition rate is reduced to below 0.12%, the voiceprint database is combined with the Mel frequency cepstrum coefficient and the dynamic time warping algorithm, accurate matching of user identities is achieved, the dynamically generated verification phrase comprises random initial and final combinations, and recording playback attacks are effectively resisted.

A soundbar for medical monitoring which may comprise a speaker, a sensor, and a hardware processor. The speaker can be configured to emit audio signals. The sensor can be configured to obtain sensor data relating to a physiology of a subject. The sensor can include a camera and the sensor data can include image data. The hardware processor can be configured to access the sensor data and determine a health status of the subject based on at least the sensor data.

The invention relates to the technical field of sound quality enhancement, in particular to a sound quality improvement method and device of a Bluetooth loudspeaker box, equipment and a storage medium. The method comprises the following steps: collecting sound box environment acoustic signals, and carrying out peripheral audio time-frequency spectrum analysis and three-dimensional sound field fitting to construct a peripheral three-dimensional sound field model; based on the surrounding three-dimensional sound field model, environment noise source semantic deep analysis is carried out, and user real-time scene sound quality demand prediction is carried out, so that real-time scene sound quality demand features are generated; bluetooth sound box loudspeaker monitoring parameters are collected, and adaptive noise frequency suppression adjustment is carried out based on the surrounding three-dimensional sound field model rate, so that a loudspeaker dynamic noise suppression adjustment strategy is generated; and acquiring a Bluetooth audio output signal, and performing band frequency response characteristic optimization according to the real-time scene tone quality demand characteristics to obtain a frequency response tone quality optimized audio signal. According to changes of different environments and requirements, the output tone quality of the Bluetooth loudspeaker box is optimized in real time, and high-fidelity audio output is kept.

The invention discloses a wireless loudspeaker box group cooperative control method and system based on an external Bluetooth transmitting and receiving array, and relates to the technical field of wireless audio control. UWB high-precision positioning and Bluetooth RSSI fingerprint data are fused, an error correction model is constructed, environmental interference data are acquired in real time in combination with spectrum scanning, and the problems of single-technology positioning drift and signal crosstalk are solved. And adopting an improved K-means clustering algorithm, dynamically and adaptively partitioning the sound field according to the movement speed and density of the user, and optimizing the physical topology path of the Bluetooth array based on the interference intensity. A user density change rate, a cluster offset distance and an interference intensity threshold are set, sound field reconstruction is triggered in real time, and partition lag of a traditional scheme is avoided. The Bluetooth array is controlled to switch narrow beam directional transmission, and a multi-user priority arbitration model is combined, so that the concurrent bearing capacity of the system is improved. A wireless sound box group cooperative control scheme integrating dynamic sound field adaptation, high-concurrency instruction scheduling, anti-interference transmission and cross-brand compatibility is realized.

The invention discloses a method, a system and equipment for voice interaction inside and outside a vehicle and a storage medium, and relates to the technical field of intelligent cabins and human-computer interaction. Identifying an interaction trigger type (in-vehicle active request, out-of-vehicle passive request, or system active trigger) based on the perceived data and / or the vehicle event; determining a corresponding response permission strategy according to the trigger type, and determining whether to allow the system to respond based on the response permission strategy; and if so, calling a large language model to generate a voice text, synthesizing voice by combining external perception characteristics, and broadcasting the voice through a loudspeaker outside the vehicle or a sound box in the vehicle. According to the scheme, three types of interaction intentions including the in-vehicle active request, the out-vehicle passive request or the system active triggering are recognized, the large language model is called to generate the scene-adaptive voice text, and personalized voice synthesis and broadcasting are performed in combination with the external perception characteristics, so that the response efficiency, the expression naturalness and the object adaptability of the in-vehicle and out-vehicle voice interaction are improved.

The invention provides a control method and device of a vehicle-mounted external loudspeaker and a vehicle-mounted external loudspeaker system. The control method comprises the following steps that in response to starting of a vehicle-mounted loudspeaker box mode, the relative position relation between a user and a vehicle is obtained at a preset time interval, and the vehicle is provided with a plurality of vehicle-mounted external loudspeakers making sounds outwards; determining a target loudspeaker and a corresponding sound channel from the plurality of vehicle-mounted external loudspeakers at least based on the relative position relationship; and controlling each target loudspeaker to play the audio data of the corresponding sound channel. The invention provides a mode of taking the vehicle as a large mobile sound box capable of providing a surround sound field, and the provided surround sound field can be adjusted according to the relative position relationship between the user and the vehicle, so that the hearing effect of the user when using the vehicle-mounted sound box is improved, the application scene of the vehicle is expanded, and the user experience is improved.

The invention discloses a method and system for guiding an old person to go home through a door lock, and the method comprises the steps: calculating a lost score value through a lost score model according to a condition that a target door lock A detects that the old person fails in continuous verification for multiple times and stays overtime in front of the door, and judging that the old person is in a lost state when the score value exceeds a threshold value, and obtaining a lost judgment result; according to the door lock A, encrypting and broadcasting the elderly biological characteristics to all the door locks, receiving confirmation information returned by the successfully matched door lock B, and obtaining a target room positioning result; according to the floor topological data of the door lock A and the door lock B, generating an optimal guide path, and obtaining path data containing a passing door lock sequence; according to the path data, controlling lamp strips along the way to be lightened according to a preset mode, and cooperating with a directional sound box to play voice guidance; and sending a reset instruction to the path door lock according to the fact that the door lock B detects that the old person successfully unlocks or arrives. According to the embodiment of the invention, convenient, efficient and intelligent door lock guiding can be carried out, and precise guiding and supporting for the elderly are realized.

The invention belongs to the technical field of loudspeakers, and discloses a bidirectional loudspeaker group, a sound box and audio equipment, and the bidirectional loudspeaker group comprises a common magnetic circuit module, a first loudspeaker and a second loudspeaker. The common magnetic circuit module comprises a magnetic conduction bowl, a first magnetic gap and a second magnetic gap are formed in the inner side and the outer side of the magnetic conduction bowl in the first direction respectively, a first through hole communicated with the first magnetic gap and the second magnetic gap is formed in the magnetic conduction bowl, and the first loudspeaker and the second loudspeaker are arranged on the two sides of the common magnetic circuit module in the second direction respectively. The first loudspeaker comprises an annular first voice coil, the second loudspeaker comprises an annular second voice coil, the first voice coil and the first magnetic gap are correspondingly arranged, the first voice coil can vibrate in the first magnetic gap in the second direction, the second voice coil and the second magnetic gap are correspondingly arranged, and the second voice coil can vibrate in the second magnetic gap in the second direction. Through the above arrangement, the bidirectional loudspeaker group provided by the invention can achieve the balanced damping, sound quality improvement and heat dissipation requirements.

Disclosed in the present invention are an automatic delay calibration method for a smart speaker system, a device, and a storage medium. The method comprises: initializing a smart speaker system and performing environmental testing to preliminarily configure system parameters; exciting a target sound channel and playing a target test signal; locating a first test signal on the basis of a voice activity detection (VAD) algorithm, determining the start and end of the first test signal, and identifying a time difference of the first test signal to obtain a delay of main channels; locating a time of arrival of a second test signal on the basis of a fast peak search algorithm, and identifying a delay of a subwoofer; and performing delay calibration on the subwoofer and the main channels, and dynamically adjusting delay calibration parameters of the channels on the basis of a delay calibration amount, thereby achieving accurate time alignment between the subwoofer and the main channels. The present invention solves the problem of low-frequency signal delays that are difficult to process in conventional technologies, and particularly makes a breakthrough progress in the coordination of a subwoofer and other sound channels.

The present disclosure discloses a speaker box including a cover fixed between the frame and the magnetic circuit system; the cover includes a bottom wall set at a bottom of the speaker unit and a side wall extending from the bottom wall and set at a side of the speaker unit; the vibration system, the frame, the cover and the magnetic circuit system enclosing a internal space of the speaker unit; the cover is hot pressed from polyethylene glycol terephthalate film, the bottom wall is provided with an array of first leakage holes communicating the internal space and the rear cavity, the side wall is provided with an array of second leakage holes communicating the internal space and the rear cavity. The speaker box can be flexibly applied to a variety of complex shapes of the housing and can enhance the filling amount of sound-absorbing powder.

The application provides a sound amplification sound column with adjustable vertical direction. The sound column comprises multiple coaxial cylindrical wave mid-high sound boxes arranged vertically, a sound box connecting mechanism, and a sound column direction adjusting mechanism. The sound box comprises a box with a trapezoidal vertical section and a coaxial cylindrical wave mid-high module installed on the panel of the box. The coaxial cylindrical wave mid-high module comprises a midrange horn, a high-frequency module, and a midrange phase plate. The high-frequency module is embedded in the midrange phase plate, and the midrange phase plate is placed on the midrange horn. The sound column is composed of multiple coaxial cylindrical wave mid-high sound boxes arranged vertically, and the curvature of the cylindrical wave is accurately controlled through the connecting mechanism and the adjusting mechanism to realize continuous adjustment of the vertical direction.

The invention relates to a main sound device and a sound device control method, the main sound device and at least one auxiliary sound device form a surround sound system, and the main sound device comprises a controller configured to send a volume acquisition request used for requesting volume information of the auxiliary sound device; receiving first volume information, wherein the first volume information is used for indicating an output sound pressure level supported by the target auxiliary sound equipment; determining a target sound pressure difference, wherein the target sound pressure difference is a sound pressure level corresponding to the difference between the distance from the main sound box to the user and the distance from the target auxiliary sound box to the user; based on a first audio signal corresponding to the main sound box, the current output sound pressure level of the main sound box, a second audio signal corresponding to the target auxiliary sound box, the first volume information and the target sound pressure difference, determining a third audio signal played by the main sound box based on the current output sound pressure level and a fourth audio signal played by the target auxiliary sound box based on the target output sound pressure level, the sound pressure level when the third audio signal reaches the user and the sound pressure level when the fourth audio signal reaches the user meet the consistency condition.

The invention relates to a sound box built-in power amplifier remote audio transmission and control method based on 5G communication, and the method comprises the steps: obtaining real-time monitoring data in an audio data transmission process, and generating an initial delay distribution data set for each audio channel; analyzing network delay fluctuation of each audio channel through a timestamp calibration method, and determining a delay reference value; setting a delay deviation threshold range according to the delay reference value, identifying an abnormal channel and recording a delay offset; analyzing a phase relation of the audio data stream after time correction, calculating a phase deviation angle and determining a phase adjustment parameter; performing phase correction on the audio data stream through a digital signal processing module to generate audio signals with consistent phases; detecting tone quality consistency difference among multiple devices, adjusting audio output feature data and optimizing a time window configuration scheme; and dynamically updating the audio channel coordination strategy, and storing correction parameters to a system database.

The invention relates to the technical field of telecommunication, and discloses an earphone and sound box multichannel audio synchronous transmission method and system, and the method comprises the steps: firstly obtaining an initial audio stream of a target device (earphone and sound box), recognizing format features, analyzing a frequency spectrum component, generating a left / right sound channel signal, then detecting the transmission priority of the sound channel signal, analyzing a channel distribution demand, and carrying out the transmission of the sound channel signal; the query equipment responds to the time delay and calculates a synchronization reference value, then determines a signal competition hotspot based on the value, analyzes the interference intensity and the frequency band occupancy rate, calculates a clock offset index, then determines a collaborative playing path according to the index, queries a phase tolerance threshold, formulates a time sequence calibration process, and finally corrects a sound channel signal by using the process. Obtaining, recording and optimizing clock reference parameters, and generating a synchronous transmission scheme. The overall sound effect stability of cooperative playing of the earphone and the sound box can be improved.

The invention discloses a non-therapeutic-purpose hearing and perception training device for non-invasive free mouse training and auditory cortex plasticity stimulation. The device comprises a soundproof box, a training device body in the soundproof box and a processing control system located outside the soundproof box. The training device main body in the soundproof box comprises a training box body, a water and air supply device, an animal action sensing device, an animal position sensing device, a loudspeaker and an illuminating lamp; the training box body comprises an open box and a dark box, and the animal position sensing device is arranged at the relative position of the junction of the open box and the dark box and the relative position of the side wall of the dark box; the processing control system located outside the soundproof box comprises a water and gas control device, a power amplifier and a control computer. The invention further discloses a method and application of the training device in auditory cortex plasticity induction and auditory perception training, and the training device has wide application prospects.

The invention provides a low-specific-gravity anti-seismic two-component polyurethane structural adhesive and a preparation method thereof. The bi-component polyurethane structural adhesive comprises a component A and a component B, and is characterized in that the component A comprises polyol, an antioxidant, color paste, a water absorbent, gaseous silicon, a catalyst, aluminum hydroxide and plastic microspheres; the component B comprises a polyurethane prepolymer, a silane coupling agent, aluminum hydroxide, a flame retardant and plastic microspheres; the volume ratio of the component A to the component B is (0.8-1.2): 1. Plastic microspheres are introduced into the double-component polyurethane structural adhesive to serve as light filler, so that the density of the structural adhesive is reduced, and the flexibility and the storage modulus of the structural adhesive are improved; when the structural adhesive is applied to loudspeaker box manufacturing, the influence of external impact vibration and the like on the sound quality of the loudspeaker box can be improved.

The invention discloses a three-dimensional acoustic visualization rendering method and system based on sound field modeling. The method comprises the following steps: arranging a microphone array to collect a multi-channel time domain audio signal, and carrying out short-time Fourier transform to obtain frequency domain complex sound pressure data; performing inversion based on a beam forming algorithm to obtain complex sound pressure of each voxel point in a three-dimensional space, and constructing a four-dimensional acoustic voxel matrix; further utilizing a volume ray projection algorithm to map the volume element data into color and transparency, and realizing three-dimensional rendering and visual expression of the sound field; the system supports frequency screening, time evolution playback, transparency adjustment and three-dimensional visual angle control, and the visual analysis capability of the sound field is improved; and meanwhile, a structured data output interface is provided and can be linked with an AI algorithm, so that intelligent functions such as acoustic anomaly detection and tuning optimization are realized. The method has the capabilities of high-precision modeling, deep rendering expression and intelligent expansion, and is suitable for various acoustic application scenes such as intelligent sound boxes, vehicle-mounted sound boxes, conference systems and the like.

The invention discloses a mounting mechanism for mounting a vehicle-mounted sound system, the vehicle-mounted sound system and a vehicle. The mounting mechanism includes a housing and a locking assembly. The shell is provided with an accommodating cavity for accommodating a sound box body of the vehicle-mounted sound box; the locking assembly comprises a pressing piece and a spring bolt, and the pressing piece and the spring bolt are arranged in the shell. And the pressing piece can push the spring bolt to move so as to unlock the sound box body from the accommodating cavity or lock the sound box body in the accommodating cavity. Therefore, the mounting mechanism is simple in structure, and the manufacturing and maintenance cost is reduced. Moreover, the vehicle-mounted sound system can be connected with the vehicle for cooperative use and can also be detached from the vehicle to be used as an independent sound system, so that the use scenes of the vehicle-mounted sound system are greatly enriched, the vehicle-mounted sound system is successfully expanded to the space outside the vehicle, and the inconvenience of carrying the sound system by a user is avoided.

1. The name of the design product: audio diffuser of sound box (SJT01). 2. The use of the design product: the overall use of the design product is for playing audio, and the partial use of the product is diffusing audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the part coated with translucent red in the view of the design is the unprotective part, and the part not coated with translucent red is the protective part.

The application provides an audio and video signal processing system and a video conference terminal device using the same, and relates to the technical field of Internet.The system comprises an audio and video processing module, a signal preprocessing module, a signal delay measurement module, a signal synchronization processing module and a master control module, the audio and video processing module is used for separating audio signals and video signals in input audio and video data signals, the signal preprocessing module is used for preprocessing the audio signals, the signal delay measurement module is used for measuring relative delay amounts of the audio signals and the video signals, the signal synchronization processing module is used for performing delay compensation according to the relative delay amounts, realizing the synchronization of audio and video display, and the video conference terminal device further comprises a microphone, a camera, a display screen and a sound box.The system and the video conference terminal device can test the relative delay time of audio and video signals, perform delay compensation, ensure the synchronization of output audio and video pictures, and improve the video conference quality and user experience.

The embodiment of the invention provides a sound box and electronic equipment, and relates to the technical field of sound boxes. The sound box comprises a box body, the box body comprises a first sound outlet hole, a first sound cavity, a through hole, a second sound cavity and a second sound outlet hole, the first sound outlet hole is communicated with the first sound cavity, and the second sound outlet hole is communicated with the second sound cavity; the loudspeaker is mounted in the through hole and separates the first sound cavity from the second sound cavity; the first resonance part is arranged in one of the first sound cavity and the second sound cavity, so that one of the first sound cavity and the second sound cavity has a first first-order sound mode frequency, and the first resonance part is of an acoustic superstructure; and the second resonance part is arranged in the other one of the first sound cavity and the second sound cavity, so that the other one of the first sound cavity and the second sound cavity has a second first-order sound mode frequency different from the first first-order sound mode frequency. According to the sound box and the electronic equipment, the low-frequency diving depth of the sound box can be reduced, and the effective frequency band of the sound box is widened.

The utility model relates to the technical field of sound boxes, in particular to a sound box with an adjustable sound cavity, which comprises a sound box shell, protective screen plates, a loudspeaker main body and an adjusting assembly, the sound box shell is of a hollow structure, a plurality of notches are arranged on the sound box shell, the protective screen plates are connected to the notches, the position of the loudspeaker main body corresponds to the protective screen plates, and the adjusting assembly is arranged on the loudspeaker main body. The adjusting assembly is connected to the sound box shell, and the adjusting assembly comprises a fixed shell, a movable shell and a splicing assembly. According to the utility model, when the volume of the sound cavity is increased through the movement of the two movable shells in the direction far away from the fixed shell, the plurality of splice plates arranged on the movable shells move synchronously, and the plurality of splice plates move to be flush with the fixed shell when the movable shells move to a certain position. The problems that sound wave propagation is affected and the sound quality is reduced due to steps generated by the appearances of the movable shell and the fixed shell in the sound cavity are solved.

The invention relates to the technical field of stereo devices, in particular to a sound effect adjusting method for a high-performance audio loudspeaker. The method comprises the following steps: firstly, inputting physical parameters of a loudspeaker unit, a cavity structure and a passive diaphragm, establishing a coupling acoustic model by adopting finite element simulation, and generating a theoretical frequency response curve; actual frequency response data of the sound box are acquired through analog-to-digital conversion and a sensor, and a core frequency band which has the greatest influence on sound quality is extracted by combining a Gaussian process regression method; extracting acoustic characteristic parameters based on a frequency response deviation function in the core frequency band, inputting the acoustic characteristic parameters to a PESQ model, and driving an LMS adaptive filtering algorithm to complete preliminary adjustment; and then carrying out secondary optimization on the full-band parameter space by adopting a particle swarm optimization algorithm, and finally obtaining an optimal sound effect adjustment result. The method has the advantages of being high in adjustment efficiency, high in parameter adaptive capacity, accurate in sound effect evaluation and the like, and is suitable for automatic sound effect optimization scenes of high-fidelity Bluetooth sound boxes, intelligent sound boxes and other products.

The invention provides a distance measurement method and system for a wireless sound box and a main sound box, a medium and equipment, and relates to the technical field of audio processing, and the method comprises the steps: enabling the main sound box to obtain the packaged data of the playing time corresponding to a frequency test signal after the wireless sound box plays pulse modulation data as the frequency test signal; the pulse modulation data is sent to the wireless sound box by the main sound box; determining signal playing time received by the main sound box according to the packed data and the time delay; acquiring a first time interval of the wireless sound box, a second time interval of the main sound box and an environmental sound velocity; calculating the transmission distance of each frequency test signal; and carrying out data processing on the transmission distance, and taking an obtained processing data value as an actual distance between the main sound box and the wireless sound box. According to the invention, the transmission distance of each frequency test signal can be accurately calculated. According to the method, the problems of low efficiency and high error of a traditional manual measurement mode are avoided, and the efficiency and the accuracy of sound box system arrangement are greatly improved.

The invention relates to a locking structure, a portable device and equipment. The locking structure comprises a base, a locking assembly, a push-out assembly and a pull-out assembly. A mounting groove is formed in the base, and the mounting groove is at least used for mounting a locked piece; the locking assembly has a locking state for locking the locked piece in the mounting groove and an unlocking state for releasing the locked piece; the push-out assembly has a push-out state used for pushing at least part of the locked piece out of the mounting groove and an avoiding state used for avoiding the locked piece. The pull-out assembly is connected with the locking assembly and the push-out assembly, and the pull-out assembly is at least configured to drive the push-out assembly to be switched to the push-out state after driving the locking assembly to be switched to the unlocking state under the action of external force. According to the locking structure, the portable device and the equipment, the technical problem that a loudspeaker box and the like are inconvenient to take out from the base in the prior art can be solved.

The invention is suitable for the technical field of voice recognition, provides a voice instruction recognition method based on sound source relative position features and a related device, and improves the voice recognition accuracy of an intelligent sound box. The voice instruction recognition method based on the sound source relative position characteristics is applied to a single intelligent sound box provided with X microphones or an intelligent sound box matrix provided with X microphones, X is an integer equal to or larger than 3, and the X microphones are not all arranged on the same straight line in the space, and comprises the following steps: when a wake-up instruction is recognized, starting the wake-up instruction; determining a sound source relative position feature corresponding to the wake-up instruction; and only identifying and responding to a target voice instruction conforming to the relative position feature of the sound source within a preset duration.

A single enclosure multi-channel loudspeaker product 500 can use a transducer arrangement and signal processing system and method to generate the Stereo Dimensional Array (“SDA”) effect (with effective interaural crosstalk cancelation (IACC)) including the generation of four distinct projections of sound in a listener's space from only three mid-bass drivers (e.g. 508L, 508C and 508R). The system and method of the present disclosure are configurable in a very compact soundbar 500 whose transducer arrangement permits reduced size and reduced driver count by employing a single center channel mid-bass transducer 508C with signal processing permitting reproduction of the two (L and R) channels associated with stereo or the multiple (e.g., 5.1.2) channels of home-theater audio bitstreams.