3897 results about "Sound box" patented technology

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 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.

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 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 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 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 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 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 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.

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.

Embodiments of the invention provide a display device and a sound synchronization method. The method comprises the steps of obtaining an original audio delay value of a loudspeaker; the original audio delay value is the processing duration required by the loudspeaker from receiving the audio data to playing the audio data; calculating a link time delay value for transmitting the audio data to the sound box; the link time delay value is a one-way time delay value corresponding to audio data transmitted to a data link where the sound box is located; performing difference calculation on the link delay value and the original audio delay value to obtain an additional delay compensation value; and setting the additional delay compensation value to the loudspeaker so as to synchronize the output time of the loudspeaker and the output time of the sound box for outputting the audio data. According to the method, the additional delay compensation value is set to the loudspeaker, so that the loudspeaker actively lags behind the corresponding time when playing the audio data so as to keep synchronous with the output of the loudspeaker box, namely, the audio synchronization between the loudspeaker box and the television loudspeaker is realized, and the problem that the sound of the loudspeaker and the sound of the loudspeaker box is not synchronous in a sound playing scene is solved.

The invention relates to the technical field of sound equipment testing, and discloses a sound equipment automatic testing method and system, and the method comprises the following steps: S1, building a time sequence control process: triggering a sound equipment power supply on-off instruction through a control module, synchronously completing equipment wake-up and wireless pairing processes, and forming a continuous automatic test starting sequence; s2, multi-channel audio acquisition and detection: capturing a sound output signal by using a multi-channel acquisition device, and performing feature extraction and standard comparison on the signal through a signal processing unit to complete sound quality parameter detection; and S3, multi-channel parallel testing: distributing independent communication channels for the plurality of tested sound boxes through the multi-channel radio frequency switching device. A time sequence control process is constructed through the control module to realize automatic starting of equipment awakening and wireless pairing, so that the problems of low test efficiency and poor process continuity caused by the fact that most of traditional sound equipment tests adopt manual operation are solved.

The embodiment of the invention provides a sound box configuration optimization method, and the method comprises the steps: controlling a sound box to play a plurality of groups of test sounds, and controlling an audio collection device to receive the plurality of groups of test sounds; acquiring multiple groups of sound wave data corresponding to the multiple groups of test sounds from audio acquisition equipment; according to the multiple groups of sound wave data, determining an acoustic test result; and generating recommended adjustment parameters of the sound box in response to the fact that the acoustic test result does not meet the preset condition.

The embodiment of the invention provides a sound box, a sound frequency band adjusting method of the sound box and electronic equipment, and relates to the technical field of sound boxes. The sound box comprises a box body, a loudspeaker assembly, at least one adjusting assembly and at least one driving assembly. Wherein an accommodating cavity is formed in the box body; the loudspeaker assembly is arranged in the accommodating cavity and divides the accommodating cavity into a first sound cavity and a second sound cavity. The adjusting assembly is arranged in the containing cavity, connected with the box body in a sealed mode and capable of moving relative to the box body. The driving assembly is connected with the box body, the driving ends of the driving assembly are connected with the adjusting assemblies in a one-to-one correspondence mode, and the driving assembly drives the adjusting assemblies to move relative to the box body so that the adjusting assemblies can adjust the equivalent acoustic volume of at least one of the first sound cavity and the second sound cavity to adjust the sound frequency band of the loudspeaker box. According to the embodiment of the invention, the sound frequency band output by the sound box can be adjusted, and different listening requirements of users can be met.

1. The name of the design product: wireless charging intelligent sound box (NH-73). 2. The use of the design product: the design product is used for wireless charging sound box. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a self-adaptive control method for a sound field of an in-vehicle sound box based on a head position, and the main design concept of the self-adaptive control method lies in that the dynamic optimization of the sound field in the vehicle is carried out by tracking the obvious change of the head position caused by the change of the sitting posture of a driver and passengers in real time, so as to adjust the output effect of a loudspeaker in the vehicle in a self-adaptive manner. Specifically, on the basis of real-time detection of the head position of a person in a vehicle, a control strategy is calculated according to a dynamic sound field: time delay is compensated to solve the time difference problem of sound wave propagation, and the dynamic accuracy of sound image positioning is ensured; through a gain compensation mode, sound pressure level differences of loudspeakers in a vehicle with dynamic different distances relative to the head of a user are balanced, and frequency response flatness is maintained; and through phase correction, phase interference generated by spatial position difference caused by head position change is eliminated, and sound field coherence is optimized. According to the invention, the follow-up adaptation effect of the person in the vehicle and the sound field in the vehicle is realized, and the acoustic quality in the vehicle is obviously improved.

1. Name of the product in this design: Speaker and Microphone Kit (L21). 2. Application of this design: Kit 1 is for a microphone, and Kit 2 is for a speaker. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design points: Combined state diagram 2.

The invention relates to the technical field of emergency broadcast communication, and discloses a multi-music file broadcast control method and system based on an SIP protocol, a terminal and a storage medium, and the method comprises the steps: obtaining a playing option selected by a user based on an operation terminal, converting the playing option, and obtaining structured data; based on an SIP broadcast server, analyzing the structured data to obtain playing request information, and generating a response message according to the playing request information; and based on the SIP broadcast server, analyzing the response message to obtain a broadcast sound box account list, and controlling a plurality of broadcast sound boxes to play in sequence according to the broadcast sound box account list. According to the invention, based on the playing option selected by the user, data conversion and analysis are carried out through the SIP broadcast server, the playing control information is generated, and the sequential playing of a plurality of broadcast sound boxes is realized.

The disclosure provides a voice interaction method and device, relates to the field of artificial intelligence, and in particular to the field of intelligent sound boxes. A specific implementation scheme is as follows: in response to receiving a voice wake-up instruction, first voice data is collected, and a first semantic is determined based on the first voice data; the first semantic is saved in a cache; in response to detecting a voice pause, a pause type is determined; in response to the pause type being a thinking pause and second voice data being collected, a second semantic is determined based on the second voice data; a voice instruction is determined based on the first semantic and the second semantic, and the voice instruction is executed.

1. Name of the designed product: luminous sound box (backpack SL552). 2. Use of the designed product: for playing music. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: reference picture of use.

The utility model discloses a movable outdoor sound box structure, which comprises a sound box outer cabin, a sound box inner cabin arranged in the sound box outer cabin, and an opening and closing mechanism, the opening and closing mechanism comprises closing plates, sliding grooves, inserting openings and limiting plates, the sliding grooves are symmetrically formed in the inner walls of the upper side and the lower side of the loudspeaker box outer bin, sliding columns are fixedly connected to the ends, away from the center of the loudspeaker box outer bin, of the closing plates, and the outer surfaces of the sliding columns are slidably connected with the interiors of the vertically adjacent sliding grooves; rib grooves are formed in the ends, close to the center of the loudspeaker box outer bin, of the front side surfaces of the sealing plates, inserting openings are formed in the upper end of the loudspeaker box outer bin, limiting plates are inserted into the inserting openings, and the rib grooves and the corresponding ends of the limiting plates are installed in a matched mode. The mobile outdoor sound box structure can realize all-around protection of the sound box core components and can realize automatic folding and unfolding of the sound box inner cabin at the same time, and the use convenience of the mobile outdoor sound box structure is greatly improved.

1. The name of the design product: night light sound box (rainbow stone). 2. The use of the design product: the design product is used for night light, sound box or ornament. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: Bluetooth speaker (EN-BT122). 2. The use of the design product: for playing 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.

This utility model relates to the field of record player technology, specifically to a turntable. The turntable includes: a speaker enclosure and a support panel connected to the speaker enclosure. A platter assembly and a tonearm assembly are disposed on the support panel. The platter assembly includes a drive component disposed on the support panel and a platter body rotatably connected to the support panel. The platter body includes an inner platter and an outer platter connected to each other. The drive component is kinetically connected to the inner platter. The support panel also includes a light strip structure, all or part of which is located outside the orthographic projection range of the inner platter on the support panel. This design improves the visual effect during use, thereby enhancing the user experience.

The application discloses a device control method and device, a sound box device and a storage medium, belongs to the technical field of wireless communication technology, and is used for controlling intelligent devices. The device control method comprises the following steps: receiving UWB signals sent by a plurality of intelligent devices by using a UWB module; determining relative positions of the sound box device and each intelligent device according to the UWB signals, and generating a device distribution map according to the relative positions; if a voice instruction input by a user is collected by the MIC module, determining the position of the user in the device distribution map according to the voice instruction; determining distance information of the user and the intelligent devices according to the device distribution map, and determining a target device according to the distance information; and controlling the target device to perform an operation corresponding to the voice instruction. The application can improve the convenience and accuracy of intelligent device control.

1. The name of the design product: Moenya spirit sound box (YX 1638). 2. The use of the design product: for playing audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. Name of the product in this design: Speaker (CS-B18). 2. Purpose of this design: for audio playback. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a sound box of a rotating shaft rotating type adjustable medium-high sound unit, and relates to the technical field of sound boxes.The sound box comprises a sound box body, strip-shaped sound boxes are installed on the two sides of the sound box body, a rotating shaft structure is connected to one end of the strip-shaped sound boxes, and the rotating shaft structure is connected with the upper end side wall of the sound box body.The rotating shaft structure can drive the strip-shaped sound boxes to flexibly adjust the sound emission position on the two sides of the sound box body, and a pull rod is inserted into the sound box body.The sound box is adjusted by the cooperation of the sound box body, the strip-shaped sound boxes and the rotating shaft structure, the medium-high sound emission direction is adjusted by using the physical structure, the point source sound emission is changed into bilateral distributed sound emission, the horizontal sound field coverage is greatly widened, the sound emission angle can be flexibly adjusted according to the position of the audience and the size of the scene, the clear sound quality and the stable sound field positioning can be kept in the whole area.