395 results about "Sound system" patented technology

The utility model discloses a recoverable impact type sounding system device, and belongs to the technical field of geological exploration equipment. The device is composed of a take-up and pay-off winch, a guide pulley, an ejection device, an impact sounding probe and a measurement and control cable. A winch is automatically controlled through a winch control unit, the take-up and pay-off speed is fed back and adjusted through a tension sensor, and dual-mode control is adopted for different operation water depths of 0-5 m and 5-50 m. The ejection device energizes the probe through the energy storage spring, and the locking mechanism achieves automatic locking and releasing. The impact sounding probe adopts a standard structure and is provided with various sensors, so that data can be stably acquired and wirelessly transmitted. The device can accurately control probe putting, is suitable for operation at different water depths, has good recoverability, effectively overcomes the defects of traditional sounding equipment, and improves the efficiency of geological exploration and the accuracy of data.

There is provided an acoustic system for a user who uses a seat of an airplane, an automobile, or the like, which reproduces a sound that cannot be heard by surrounding users without using earphones or headphones. An acoustic system including a speaker system including one speaker unit that emits a sound based on an acoustic signal of a predetermined sound source, in which a sound emitted from the speaker unit is hearable in a region to be audible near the speaker unit, and by a sound emitted from the speaker unit in a back surface direction coming around to a front surface direction, the sound emitted from the speaker unit in the front surface direction and the sound emitted from the speaker unit in the back surface direction cancel each other in a region in the front surface direction far from the speaker unit.

The utility model discloses an easily spliced wood-wool acoustic board for automotive trim, which comprises two board body components 1 and a board body component 2, the two board body components 1 are spliced together, the board body component 2 is spliced with one of the board body components 1, the board body component 1 comprises two side boards 1, a middle board 1 and two wall boards 1, and the two side boards 1 are spliced together. The two first side plates are connected to the two sides of the first middle plate in a clamped mode respectively, one ends of the two first wall plates are connected to one sides of the two first side plates in a clamped mode, and the second plate body assembly comprises a second middle plate, two second side plates and two second wall plates. The boards applied to the first board body assembly and the second board body assembly are wood-wool sound-absorbing boards, sound reflection and echoes can be effectively reduced, the acoustic effect of space is improved, the environment in a vehicle is quiet and comfortable, the performance of a sound system can be improved, noise and resonance are reduced, the overall sound quality is improved, meanwhile, the materials belong to environment-friendly materials, and the cost is low. The weight is light, too much burden cannot be added to the vehicle, and the device is suitable for various vehicle types.

This disclosure provides a method of automatic voice tuning for a sound system and the sound system using the method. The method may comprise: obtaining, via a microphone, an input signal representative of a user's voice; obtaining gender information; obtain a detected pitch by performing a pitch detection on the input signal; and applying a tuning control to the input signal based on the gender information and the detected pitch.

The invention relates to a method for adapting the lighting of at least one lighting module (6) of a motor vehicle to a sound, which is generated and output by a sound system (10) of the motor vehicle, wherein at least one image (2) is assigned to the sound, which is displayed at least partially and automatically by the at least one lighting module (6) in a manner which is associated in time with the output sound, wherein the at least one image (2) is read in by a selection module (4). The invention also relates to a system for adapting the lighting, which has a data processing unit (12), a lighting module (6) and a selection module (4).

The invention discloses a vehicle cabin sound field reconstruction method based on space energy diagram constraint and deep optimization. The method comprises the following steps: 1) measuring the impulse response of a vehicle-mounted loudspeaker array in a target vehicle cabin in a listening area; (2) space scanning is conducted on the impulse response and the impulse response simulated in the ideal anechoic chamber scene through a delay and beam forming method, sound energy distribution in all preset directions is calculated, and a space energy diagram of an actual sound field and a space energy diagram of a target ideal sound field are generated; 3) calculating the space energy diagram similarity between the two space energy diagrams, and constructing a target function; 4) constructing a neural network, taking random noise as input, outputting a control filter coefficient, and iteratively optimizing the neural network by using a target function; and 5) according to the neural network after iterative optimization, outputting a control filter coefficient of each loudspeaker channel, and loading the control filter coefficient to a sound system in the target vehicle cabin to realize sound field reconstruction in the target vehicle cabin. The invention has better subjective tone quality.

The present application relates to the technical field of sound insulation structure, and particularly relates to a marine composite structure sound shield, which comprises: a peripheral frame, the peripheral frame is in a three-dimensional structure, and a back-shaped frame is arranged at the top corner of the peripheral frame; a wallboard is arranged in the peripheral frame, and the wallboard comprises: a perforated protective panel arranged in the peripheral frame, a plurality of porous sound absorption members are arranged on the perforated protective panel, and a plurality of cavities are arranged in the porous sound absorption members; a first local resonance structure is arranged on the porous sound absorption members, a second local resonance structure is arranged on the first local resonance structure; a damping material member is arranged on the second local resonance structure, and a first composite material base plate is arranged on the damping material member; a honeycomb core layer is arranged on the first composite material base plate, and a second composite material base plate is arranged on the honeycomb core layer. The marine composite structure sound shield has the advantages of cavity structure, wide frequency, high sound insulation effect, simple and convenient installation, better isolation effect for wide frequency noise, and improvement of low frequency sound insulation performance.

The application discloses a protection and distortion control method and system during sound operation, and relates to the technical field of audio processing. An audio signal and a reference signal are acquired; the reference signal is preprocessed to obtain a trigger signal of a level effective value; a trigger threshold is acquired according to the trigger signal of the level effective value; the trigger threshold is adjusted to obtain a preset trigger threshold; the preset trigger threshold is dynamically adjusted according to a voltage value corresponding to a frequency of the audio signal to obtain a voltage value corresponding to the preset trigger threshold; and the audio frequency corresponding to the voltage value corresponding to the preset trigger threshold is a protected and distortion-controlled audio signal. The application realizes dynamic change of a high-frequency cutoff frequency of an audio high-frequency unit while maintaining the loudness of a sound field restoration of a sound system, and improves the protection and distortion control accuracy of the sound in a limit operation state of high power and long time.

The invention provides a sound system for an instrument panel of a vehicle. An instrument panel includes a substrate, a top panel, and a sound field panel. The sound field panel includes upwardly and rearward facing surfaces and opposing ends. Opposite ends of the sound field panel face inwardly into a passenger space between the opposite ends. The instrument panel also includes a first speaker and a second speaker, the first speaker and the second speaker being aligned with an opening in the opposite end portion of the sound field panel.

The invention discloses an in-vehicle sun visor sound box, which comprises a sun visor body, an installation cavity formed by a loudspeaker installation area and a circuit board integration area is arranged in the sun visor body, the inner wall of the installation cavity is covered with sound insulation cotton, and a plurality of sound production hole groups are formed in the surface of the installation cavity; the loudspeaker assembly comprises two panel loudspeakers which are coaxially arranged, the mounting axis of the loudspeaker assembly is consistent with the thickness direction of the sun shield body, and the loudspeaker assembly is fixed to the loudspeaker mounting area through a buffering and damping structure; the angle detection unit is arranged at a rotating shaft of the sun shield body and is used for acquiring and outputting an angle signal in real time; the audio input module is integrated in the circuit board integration area and receives an external sound source input signal; the self-adaptive sound effect processing module is integrated in the circuit board integration area and adjusts an input signal according to a mapping relation between the angle signal and a preset sound effect parameter; and the DSP signal processing unit is used for performing digital signal processing, frequency division and power amplification on the adjusted signal, generating a driving signal and outputting the driving signal to the flat panel loudspeaker.

This invention discloses a vehicle audio system, an audio projection method, and a vehicle. The system includes: a first communication module for connecting to a first audio terminal; a second communication module for connecting to a second audio terminal; and a speaker for playing first projected audio from the first audio terminal and / or second projected audio from the second audio terminal. According to the vehicle audio system, audio projection method, and vehicle provided by this invention, two modules, a first communication module and a second communication module, are provided to connect to different audio terminals respectively. Audio from different audio terminals can be played in a mixed manner or individually, thereby increasing the applicable scenarios of the vehicle audio system and improving the driving and riding experience for drivers and passengers.

Systems, apparatus, and methods for transferring digital assets using proof-of-sound. Content consumers may verify their presence at an event / drop using various mechanisms including audio recording, sensor data, data from other devices, and user interactions. Creators may reward content consumers who attend an event with rewards including non-fungible tokens (NFTs). Smart contracts may be deployed to a blockchain to mint NFTs for verified content consumers.

The utility model discloses a kind of surface sound source auxiliary sound systems, including frame, vibrating sound board, driver, sound insulation board and backboard being set to the rear side of the frame;The driver is set on the vibrating sound board, the vibrating sound board and the sound insulation board are set in the frame, the sound insulation board is set between the vibrating sound board and the backboard;First shock absorber is arranged between the vibrating sound board and the frame, second shock absorber is arranged between the sound insulation board and the frame.The surface sound source auxiliary sound system of the utility model passes through reasonable structural design, effectively blocks and absorbs the sound diffused to back, reduces the waste of sound energy, improves the propagation efficiency and directivity of sound, improves tone quality and sound propagation effect.

The application discloses a light / sound early warning method based on a vehicle distance, an intelligent cockpit and a vehicle thereof, and belongs to the technical field of intelligent control, and comprises the following steps: acquiring distance information of a host vehicle and a preceding vehicle through a vehicle-mounted sensor; detecting a distance change value of the host vehicle and the preceding vehicle in real time, generating a following vehicle strategy based on a PID control principle, comparing the distance change value with a preset threshold value, and judging whether the current distance change value reaches the preset threshold value; if the current distance change value reaches the preset threshold value, a light warning signal is sent through a vehicle-mounted light system, and a sound prompt signal is sent through an in-vehicle sound system. The early warning method provided by the application is combined with light reminding and sound prompting, when the system detects that the distance from the preceding vehicle is too close or there is a dangerous behavior, warning information is timely transmitted to the driver through flashing warning lights and sound prompting, so that the driver takes corresponding measures to ensure driving safety.

Disclosed are gaming systems, methods, and machines that include a display unit for a sound directed immersive gaming experiences. In some examples, the display unit may include a liquid crystal display (LCD) screen acting as the speaker cone through one or more sound systems. An LCD screen may have one or more speaker transducers integrated to generate and amplify one or more audible sound waves from one or more sound signals in a directional speaker cone.

The utility model relates to a power supply protection circuit, host equipment and a separated sound system. The power supply protection circuit comprises a connection pin, a switch circuit and a short circuit detection circuit. The first end of the switching circuit is connected with the power supply, the second end of the switching circuit is connected with the connecting pin, the first end of the short circuit detection circuit is connected with the connecting pin, and the second end of the short circuit detection circuit is connected with the third end of the switching circuit; the short-circuit detection circuit collects a working voltage signal of the connecting pin, generates a short-circuit protection signal when the working voltage signal is at a low level, and transmits the short-circuit protection signal to the switching circuit; and when the switching circuit receives the short-circuit protection signal, a loop for supplying power to the connecting pins by the power supply is disconnected. By detecting the short circuit condition of the connecting pins, circuit damage caused by connection of a power supply during short circuit is avoided, and the product protection effect is further achieved.

A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into frequency-domain Kalman filter (FDKF), input the audio signal and an output from the FDKF into a neural network, estimate, based on the audio signal and the output from the FDKF, and removing feedback signals from the audio signal by the neural network, recover, by a codec receiving an output from the neural network, vocal quality of a target vocal signal, and output a version of the audio signal in which the target vocal signal is enhanced by removal of the feedback signals from the audio signal by the neural network and by recovery of the vocal quality by the codec.

The invention relates to a sound system for a vehicle (2), wherein the vehicle (2) has an air conditioning system (4) for its interior, wherein the sound system has an electronic unit (8) and a loudspeaker (6), wherein the air conditioning system (4) is configured to generate a background noise during its operation, wherein the electronic unit (8) is configured to provide at least one specification for an additional noise for the operation of the air conditioning system (4) depending on the background noise and to control the loudspeaker (6), wherein the loudspeaker (6) is configured to output the additional noise.

This invention provides a modular mini Bluetooth speaker, including a base with multiple speakers mounted on top. Support legs are fixedly installed at the four corners of the bottom of each speaker. A control motherboard is fixedly installed inside the base, and the motherboard includes a Wi-Fi module and a Bluetooth module. The Wi-Fi module distributes audio to each speaker via Wi-Fi for synchronized playback. The Bluetooth module is used for wireless connection with the user's mobile terminal. This invention, through the combination of magnetic support legs and limiting slots, allows users to freely add or remove speakers, easily building a multi-channel audio system to adapt to different spaces and audio needs. The magnetic connection ensures stable installation and convenient disassembly. The Wi-Fi module on the control motherboard synchronously distributes audio to each speaker for wireless connection, facilitating flexible placement and use.

A personal, mobile sound system comprises a personal, mobile, outdoor, recreational sport platform capable of transporting a rider and having a flat surface. A mount is fixed to the flat surface of the sport platform and exposed to ambient conditions. The mount comprises a mount plate, a spacer plate and an adhesive mount layer on the bottom of the spacer plate. Slots are located in the mount plate to receive straps. The spacer plate has a length less than a length of the mount plate to form a pair of spaced-apart notches. The spacer plate has a thickness creating a thickness of the pair of spaced-apart notches at least as great as a thickness of the first and second straps. A self-powered, wireless speaker is releasably coupled to the mount.

The present invention relates to a method and device for controlling a sound system in the passenger compartment of a vehicle, providing information explaining the vehicle's driver assistance functions. The method (51, 52, 53) obtains a third piece of data from a first text-type data point representing a question asked by a vehicle occupant and relating to information explaining one of said driver assistance or automated driving functions, and a second text-type data point relating to the current driving context of the vehicle. The method (54, 55) obtains a fourth piece of data point representing a response relating to the information explaining the driver assistance or automated driving functions corresponding to the third piece of data point and controls (56) the diffusion of the fourth piece of data in the vehicle's passenger compartment. Figure 5

The invention discloses an intelligent power amplifier management method based on a vehicle-mounted sound system and a related device, and the method comprises the steps: firstly, obtaining vehicle window opening and closing state data, a current vehicle speed and an external wind speed; then, in-vehicle airflow velocity distribution data, turbulence intensity and in-vehicle airflow mode combination are calculated; then, simulating a sound propagation path by using an acoustic simulation model to obtain sound intensity distribution data of each area in the vehicle; if the sound intensity distribution data of each area in the vehicle indicates that the volume difference between different areas in the vehicle is greater than a preset volume difference threshold value, generating a first optimization parameter set of the sound amplification system based on a target noise source position positioned through a sound source positioning technology and eddy current noise data; and finally, extracting a volume gain value and an equalizer optimization parameter from the first optimization parameter set, and determining an output parameter of the sound system. Therefore, the problem of regional audition experience difference caused by airflow interference is solved, and all users in the vehicle can obtain better audition experience.

This application discloses a vehicle including an audio system. The audio system includes at least a first speaker and a first piezoelectric sound-generating component. The first speaker is mounted at a first predetermined location in the vehicle, and the first piezoelectric sound-generating component is mounted at a second predetermined location in the vehicle. The first speaker outputs an audio signal in a first frequency band of the target audio signal; the first piezoelectric sound-generating component outputs an audio signal in a second frequency band of the target audio signal. The first and second frequency bands are different frequency bands. Thus, by combining the speaker and the piezoelectric sound-generating component to output audio signals in different frequency bands, the advantages of both the speaker and the piezoelectric sound-generating component can be better utilized, improving the overall sound quality.

The utility model discloses a differential driving type loudspeaker with inner and outer sets of magnetic circuits and a sound box. Wherein the differential driving type loudspeaker with the inner and outer sets of magnetic circuits comprises an inner side upper washer, an inner side upper magnet arranged below the inner side upper washer, an inner side magnetic conductive column arranged below the inner side upper magnet, an inner side lower magnet arranged below the inner side magnetic conductive column, and an inner side lower washer arranged below the inner side lower magnet; the voice coil is sleeved on the outer end surfaces of the inner side upper washer and the inner side lower washer; the magnetic flux ring is sleeved on the outer end surface of the voice coil; the outer side upper washer is sleeved on the outer side of the upper part of the voice coil; the outer side upper magnet is arranged below the outer side upper washer; the outer side lower magnet is arranged below the outer side magnetic conductive column; and the outer side lower washer is arranged below the outer side lower magnet. The magnetic field sensor has the beneficial effects of light weight, low energy consumption, high magnetic field intensity and high sensitivity.

The invention discloses an active sound production system and method for optimizing door closing sound quality, and relates to the field of simulation testing, a multi-dimensional sensing array module comprises a distance sensor, a three-axis acceleration sensor, a distributed microphone array and a temperature and humidity sensor, the sensors synchronously collect data, the data are transmitted through a CAN bus, and the timeliness and consistency of the data are ensured; the environmental acoustic modeling module is used for carrying out noise spectrum analysis on microphone signals, evaluating a vehicle door motion state, processing distance and acceleration data, calculating a temperature correction coefficient, dynamically adjusting sound pressure parameters, periodically updating an environmental parameter matrix and reflecting acoustic characteristics under different working conditions; and the PID-fuzzy hybrid algorithm module adopts a PID and fuzzy logic fusion framework, presets a target frequency, a maximum sound pressure level and a door closing speed threshold value, and calculates frequency, sound pressure and speed deviation, and the fuzzy logic module dynamically adjusts PID parameters according to the noise level, weights and superposes a proportional term, an integral term and a differential term, and is used for regulating and controlling the door closing sound quality.

1. Name of the product in this design: Motorcycle audio system. 2. Purpose of this design: This design is used for motorcycle horns and music amplification. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.