482 results about "Acoustic equipment" patented technology

An electronic device with audio output, such as a television, is adjusted to the customized listening profile of a user with a user interface module 100 and a control module 110. A user sets the level of amplification for the center or test frequency of a number of audio frequency bands. The control module generates tones at the test frequencies and the user adjusts the amplification of each tone until the user is satisfied with hearing that tone. The other frequencies in the band are adjusted by the same amount as the test tone.

The invention relates to a multi-media electronic reciprocal teaching system which belongs to the technical field of multi-media electronic reciprocal teaching and comprises a large-screen reciprocal touch display, a stereoscopic display, acoustic equipment, a control host computer, network equipment and courseware. Any one computer is connected with the large-screen reciprocal touch display through a USB interface and connected with the large-screen reciprocal touch display through a video cable, the audio output of the computer is connected with the acoustic equipment, the computer is connected to a campus network for calling the courseware; the control host computer is connected to the stereoscopic display through a video cable, the audio output of the control host computer is connected with the acoustic equipment; and the host computer is connected with the campus network for realizing calling the stereoscopic courseware. The invention can be widely applied to occasions of classrooms in schools, studios in television stations, meeting rooms in large companies, exhibition, scheduling and directing places and the like.

The invention discloses a wireless audio playing method based on voice interaction, a music player and a storage medium. The method comprises the following steps: a smart music player receives an information obtaining instruction, the information obtaining instruction at least including a voice instruction of a user; and identifying the information obtaining instruction, and controlling wireless sound equipment matched in advance to play corresponding audio data on the basis of an identifying result. Through matching and usage between the smart music player and wireless sound equipment of various kinds and through voice waking-up, other pieces of wireless sound equipment can be controlled to play, and in particular large-power sound equipment can be controlled effectively and flexibly. In addition, the music player controls other network devices to carry out corresponding operations through voice control. The music player itself can be utilized independently, and becomes a voice Internet terminal. The user experience is easy, and the music playing flexibility is improved.

An acoustic apparatus using a bone-conduction speaker can eliminate a sound pressure type speaker heretofore required and permit a bone-conduction speaker to serve both in communication and in outputting an incoming tone, thus reducing the apparatus in size and weight. The apparatus comprises: an outer casing (3), in which a bone-conduction speaker is incorporated; a unit case (1) mounted in the outer casing (3) through a support means (4); a drive means (5) for displacing the unit case (1) in the outer casing (3), the drive means (5) being disposed in the outer casing (3); an opening formed in the outer casing (3) in a manner such that the unit case (1) is permitted to have its side-head abutting surface (2) exposed to the outside, wherein the drive means (5) is so operated as to have the unit case (1) brought into or out of contact with the outer casing (3).

The invention relates to a high sound-surround ambiance intelligent sensing interactive motion system and an implementation method thereof; the system consists of a motion platform subsystem, a virtual reality subsystem, and a projection display subsystem; the motion platform subsystem consists of a parallel connection motion platform with N degrees of freedom, a servo motor driver, a motion controller, and a sensor; and the virtual reality subsystem consists of a motion control terminal computer, a network server computer, and a scene-rendering end computer. The projection display subsystem consists of an edge fusion device, a projector, audio equipment, and a dome screen. The invention has the beneficial effects that an immersive virtual reality environment is provided for the motion platform; simultaneously, the virtual reality environment feeds back the control information to the motion platform for realizing the interaction of the motion and the environment, the sound-surround ambiance is enhanced, and the participants is led to have high sense of immersion, thus improving the fitness fun and achieving the effect of keeping healthy.

Sound equipment is configured to average an average value of a signal level at each predetermined frequency band of a sound signal at a different averaging time, to weight the average value calculated at a different averaging time by using an individual weighting value, to obtain a representative value based on a weighted average value, to determine a gain of a sound signal based on an obtained representative value, to correct a volume based on the corresponding gain, and to correct a volume based on the gain. The representative value is obtained by selecting the average value at which a gain becomes minimum within each weighted average value. The averaging performs at least a first averaging using the averaging time corresponding to the sound signal that the signal level changes rapidly, and a second averaging using the averaging time longer than the averaging time of the first averaging.

The invention discloses a digital movie sand table interactive integrated system which comprises a building real object sand table model placed on an exhibition stand, a projection apparatus arranged on the top of the sand table model, a host computer and a control console; wherein, the projection apparatus is just positioned on the top of the sand table model, a camera lens of the projection apparatus right faces the lower part of the sand table model or reflects the light into the sand table model through a reflection device, one or more projection apparatus can be available and connected with the host computer, an input and an output terminals of the host computer are connected with the control console, and the output terminal of the host computer is connected with stereo equipment. The digital movie sand table interactive integrated system adds the display effects of sound, light, electricity, cartoon, sound effect and the like into the sand table building model to be shown, thus combining dynamic state and static state and contrasting false and true, so that the display effect is vivider.

A mobile phone (100) detects at least a direction of an utterance position of a user from the voice input to a plurality of microphones (121,122) and controls an output direction of a voice out of a speaker unit (110) to match the detected utterance position. Accordingly, it is possible to provide sound with sufficient volume only for a specific user without causing noise in the neighborhood. The microphones may form a matrix together with piezoelectric vibrators that form a speaker unit, or may be formed separately from the speaker unit.

The invention discloses a multi GPU calculation based reverse time migration imaging method of a 3D TTI medium. According to the method, a stable second-order coupling equation set serves as a calculation model, finite SV wave components are given to enhance the wave field spreading stability, an anisotropy parameter matching method is used to suppress interference of pseudo-transverse waves, uniform anisotropy boundaries corresponding to a random speed boundary and other parameters are introduced, storage of large amount of wave field data and frequency disk reading and writing are avoided, and a GPU-based CUDA platform is used to realize high-performance parallel calculation. According to the invention, a second-order coupling quasi-acoustic equipment in the TTI medium is solved in a difference method on the basis of multi-GPU parallel calculation technology, wave field spreading is stable, pseudo-transverse waves are suppressed effectively, application of the random boundary reduces wave field storage and disk reading and writing, a multi-asynchronous-flow high parallel strategy of multi GPU calculation is used, the calculation efficiency is improved obviously, and the imaging method meets requirements for industrialization of anisotropy reverse time migration.

The invention relates to a method for building television wall, which comprises: layering several televisions into TV wall, while each one has image zoom processor; setting the position parameter and image zoom parameter of each television inside the TV wall; transmitting same TV signal to each television; when each TV digitalizes the received signal, the image zoom processor, based on the image zoom parameter and the resolution of screen, expands the image, and based on the zoom parameter and position parameter, calculates out the shift parameter of present displayed image, based on said shift parameter, shifts it to appointed image area to be output to the screen; different TVs displays the different areas of one image that zoomed at same ration, to be layered to form the TV wall; and the sonic processing circuit in one TV can synchronously process the sonic signal, to output it to the sonic device to be played. Compared with present technique, the invention has lower cost and simple process.

The invention discloses a method for controlling audio playing of a mobile terminal. The method comprises the steps of sending calibration audio signals to sound equipment to be played, collecting the calibration audio signals played by the sound equipment, obtaining the frequency response parameters of the sound equipment according to the collected calibration audio signals, and carrying out sound effect processing according to the frequency response parameters of the sound equipment and the frequency response parameters of a loudspeaker of the mobile terminal so that the loudspeaker of the mobile terminal and the sound equipment can play the audio signals to be played according to the sound effect processing result. The invention further discloses a mobile terminal. According to the method for controlling audio playing of the mobile terminal, the loudspeaker of the mobile terminal and the sound equipment are matched to enhance the audio playing sound effect of the mobile terminal, and the effect of audio playing of the mobile terminal is improved.

The invention discloses a man-machine interactive electronic globe. The man-machine interactive electronic globe comprises a globe model and a projection exhibition system. The globe model comprises a base, a rotation shaft, a globe body, a plurality of touch sensors and a control circuit board, wherein the rotation shaft is mounted on the base, the globe body is mounted on the rotation shaft and positions of various places in the world are marked on the globe body, the touch sensors are mounted on the inner wall of the globe body and are corresponding to the position marks of various places in the world, the control circuit board is arranged in the globe body, a microprocessor module and a first wireless communication module connected with the microprocessor module both are integrated on the control circuit board, and the plurality of touch sensors are all connected with the input end of the microprocessor module. The projection exhibition system comprises a master control computer, a projection screen and a second wireless communication module, wherein the projection screen is arranged in front of the master control computer, the second wireless communication module is connected with the master control computer, and the output end of the master control computer is connected with a projector and a sound equipment. The man-machine interactive electronic globe is simple in structure, rational in design, simple to operate, high in intelligent degree, high in interestingness, powerful, high in practicability and convenient to popularize.

An audio apparatus includes an input unit for inputting stereo signals in which multi-channel surround-sound signals are mixed in accordance with a predetermined algorithm and a parameter indicating encoded contents of the algorithm, a surround-sound signal generator for generating left-side surround-sound signals and right-side surround-sound signals by decorrelating left-side signals and right-side signals contained in the stereo signals, and a controller for controlling the decorrelation performed by the surround-sound signal generator based on the parameter.

The present invention discloses portable sound equipment, and particularly relates to multifunctional portable sound equipment which comprises an equipment body, wherein the equipment body is mainly composed of a box body and a box cover capable of being folded and unfolded; a heat preservation cavity is arranged in the box body; and a sealing cover of the box cover is connected to an opening of the heat preservation cavity. The present invention solves a technical problem to enable the portable sound equipment to have multiple functions, has the functions of three categories of the sound system, the heat preservation box and the dining table as well as some other auxiliary functions, and well integrates the above functions into the portable sound equipment.

In accordance with the present invention, an improved audio equipment is employed. The audio equipment includes a housing, audio circuitry installed within the housing, and a first protective bar flexibly connected to the housing. The audio equipment may also include a handle attached to the first protective bar, a second protective bar flexibly connected to the housing, and / or a connector assembly flexibly connecting the first protective bar to the housing. The connector assembly may include a flexible gasket preferably disposed between the first protective bar and the housing. Also disclosed herein is a method for manufacturing an audio equipment.

An apparatus including a transducer membrane for generating sound waves; and a plate, through which sound waves can pass, at least partially overlaying the transducer membrane configured to produce a magnetically shielded region so to impede particles reaching the transducer membrane.

The invention relates to an animal incubator and a production method thereof and belongs to equipment which has integrated functions of nursing young animals, protecting and raising. The animal incubator mainly comprises box body, wherein a nursing device, a temperature control device, an illumination lamp and a monitoring camera are arranged in the box body; and an ultraviolet sterilization lamp and an audio device which can be synchronously opened or closed in the process of nursing are also arranged at the top of the interior of a box body. The invention aims at providing the animal incubator which can be used for nursing multiple young animals with fixed amounts in fixed time points at the same time, is convenient for the immunizing and treating of the animals and also can create suitable temperature and humidity, so that the survival rate and reproductive rate of the young animals are improved and the problem of the batch breeding is solved.

The invention relates to a method and a system for guiding blind people with voice, which aims to provide some key locations in public places with the system for guiding blind people with voice. The system has a function of sensing the blind people, and can automatically play guiding prompt voice for the blind people through stereo equipment when sensing the appearance of the blind people. The system is arranged in some key location in the public places, such as a road intersection, a building / uptown entrance and the like. The prompt voice about geographical positions is first recorded as a digital audio file and then saved in a microcomputer of the system. The system judges whether the blind people appear nearby by detecting blind-people inductive RF electronic tags carried with the outgoing blind people. If the blind-people inductive RF electronic tags are detected, an application program in the system separates out a blind-people recognition code, finds out the pre-recorded digital audio file in a memory of the microcomputer, and plays the digital audio file for the blind people through the stereo equipment.

An armrest for the seat of automobile is aimed at easily regulating music programs and sound volume is composed of a bottom frame with a supporting frame and a rotary axle of armrest, a top cover plate, consisting of sound equipment panel and turn-over cover, front panel with a music medium window, and a box between said bottom frame and top cover plate, which is divided into two chambers for respectively containing a sound equipment and storing other goods.

Disclosed are a multi-modal online incremental access recognition system and a recognition method thereof. The multi-modal online incremental access recognition system comprises a computer terminal which is connected with a camera, a sound sensor and sound equipment, and a multi-modal online incremental access recognition module, an OPENCV (open source computer vision library), a first configuration document, a second configuration document, a face recognition model data storing file and a photo sum and photo classification object attribute sum storing document are arranged in the computer terminal. Being combined with the recognition method, the multi-modal online incremental access recognition system is capable of avoiding the defect, in the prior art, that due to the fact that a face recognition classifier cannot be corrected by means of interaction of other sensing approaches when in recognition errors, online incremental improvement on face recognition effect cannot be achieved and user experience is affected seriously, and avoiding the defect, in the prior art, that traditional voice recognition effect is extremely poor resulting from no grammar content in Chinese character content.

The invention provides a light airplane comprehensive obstacle avoiding system. The light airplane comprehensive obstacle avoiding system comprises data acquisition equipment including aviation bus conversion equipment, GPS (Global Position System) equipment and two high-definition cameras and the like, data processing equipment including two sets of video processing equipment, an embedded type computer, a server and the like, and man-machine interaction equipment including a control panel, sound equipment, a liquid crystal display and the like. The two high-definition cameras are integrated and designed into a nacelle and the optical axes are parallel; and an image plane is parallel or overlapped so that a distance measuring error is reduced. The video processing adopts an FPGA+FIFO+DSP (Field Programmable Gate Array+First-In First-Out-Digital Signal Processor) framework, and a DSP is connected by a high-speed interface. The GPS is fused with a digital map and the like so that known obstacles are avoided. The unknown obstacles are realized by real-time video processing. The server is operated by adopting a website form. The light airplane comprehensive obstacle avoiding system has the advantages that an avionics comprehensive technology, a vision identification technology and a digital map technology are adopted so that a light airplane comprehensive obstacle avoiding function is realized; and the video processing speed is rapid, and the system is economical and intelligent.

The invention relates to an archery scoring system. The system comprises a target, an archery standard target sheet, an image collector, a master control computer host, audio equipment and display equipment, wherein a collected image is uploaded to the master control computer host in real time by utilizing the image collector; the landing position of an arrow is calculated and subjected to scoring analysis through the position relationship between the recorded landing point and a positioning point; the master control computer host simultaneously displays the scoring situation in a video and / or audio way so as to replace the way of manual scoring. The archery scoring system realizes teaching through lively activities, has convenient operation and economy, is integrated with science, interaction and interest into a whole, so that the ancient archery sport appears in the field and lives of people as a medium and high grade leisure and body-building sport.

The invention belongs to the field of sound equipment and provides a bidirectional loudspeaker and sound equipment. The bidirectional loudspeaker comprises two first magnetic components, a first support, a second support, a first vibrating plate, a second vibrating plate, a voice coil plate, a first voice coil, a second voice coil and a connection part. The first support and the second support are in opposite arrangement and fixedly connected through the connection part. The first magnetic components are mounted on the first support, and second magnetic components are mounted on the second support. The first sound coil and the second sound coil are electrified to vibrate vertically under the action of a magnetic field force, and the voice coil plate which is connected with the first vibrating plate and the second vibrating plate drives the first vibrating plate and the second vibrating plate to vibrate for sounding. Since the first vibrating plate and the second vibrating plate are opposite, bidirectional sound production of the bidirectional loudspeaker is realized.

The invention discloses a wireless transceiving component for a mobile terminal to forward an audio / video signal, wherein the mobile terminal comprises MP3, MP4, PMP and iPod players; the wireless transceiving component comprises a transmitting part (20) and a receiving part (30) and has a micro modular structure; the transmitting part (20) as a peripheral part is in wired connection with the mobile terminal or is directly integrated in the mobile terminal; the receiving part (30) as a peripheral part is in wired connection with display equipment and / or audio equipment comprising a television receiver, a personal computer, an electronic billboard, and the like or is directly hung in the display equipment and / or audio equipment; and by adopting the component, audio / video signals outputted by the portable mobile terminal are sent to receiving equipment in a wireless transmission mode, thereby bringing great convenience to users, and increasing using amusement at the same time.

The invention discloses a lifting multi-beam acoustic equipment guide cover for examination ship, which comprises a fixed flow guide cover, a lifting guide cover and a lifting mechanism. The fixing guide cover is fixed to the bottom of the ship body and the transducer of the multi-beam acoustic equipment is fixed on the fixed guide cover. The angle between the main body part of the fixed guide cover and the current flow direction is an obtuse angle; the angle between the two side plates and the bottom of the hull is an acute angle; the lifting guide cover is connected with the lifting mechanism; the angle between the lifting guide cover and the flow direction of the water flow is an acute angle; the angle between the two side plates and the bottom of the hull is an obtuse angle; the lifting mechanism drives the lifting guide cover to rise; the lifting guide cover is placed on the groove of the bottom of the ship; the bottom of the lifting guide cover is arranged to be flush with the bottom of the fixed guide cover. The invention can reduce the resistance of the multi-beam transducer guide cover and ensure the detection effect of the multi-beam acoustic equipment.