58results about How to "Improve the audio-visual effect" patented technology

The invention discloses a method for transmitting audio and video under an environment of a network with different speeds applied in a multimedia communication system which at least comprises a data transmitting terminal and a data receiving terminal. The data transmitting terminal at least comprises an encoder, a data buffering and a first control logic, and the data receiving terminal controls the encoder through the first control logic according to the buffer filling degree of the data buffering and selects the source code rate of a content source. The method can be used for automatically detecting the actual data transmitting speed so that the encoding code rate of the audio and video is suitable for the changing network environment and the actual data transmitting speed, therefore, a user enjoys the optimal multimedia quality under the changing network environment.

The invention discloses an LED display controller and an LED display device. The LED display controller comprises a receiving module, a brightness sensing unit, a brightness adjusting module, a volume sensing unit, an audio adjusting module and a controlling module; the receiving module receives audio signals and display signals; the brightness sensing unit is used for sensing surrounding environment brightness; the brightness adjusting module generates brightness adjusting data according to the environment brightness to adjust the display signals; the volume sensing unit senses the surrounding environment volume; the audio adjusting module generates voice adjusting data according to the environment volume to adjust the audio signals; the controlling module generates control signals according to the adjusted display signals and audio signals to control an external LED illuminating unit; and the controlling module is also provided with a storage sub module stored with preset control signals. The invention causes the audio-visual effect of the LED display device to be very good and is more environment-friendly and energy-saving.

The invention relates to a Chinese data-black sesame milk for improving vision and audition and a preparation method thereof. The milk is prepared by processing the following raw materials: Chinese date, fructus lycii, mulberry, chrysanthemum, white fungus, lotus seeds, semen cassiae, yam, small black soybean, spina date seed, black sesame, radix puerariae, kelp, hawthorn, seabuckthorn, gordon euryale seed, pawpaw, granulated sugar, honey, sodium cyclamate, compound stabilizer and whole milk powder. The milk can nourish liver and kidney, improve vision and audition capability, can combine medicine and food, is delicious, does not have any side effect, and is suitable for being drunk by people who have barrier on the vision and the audition.

The invention relates to a communication cap which comprises a cap brim and a head-worn device. The cap brim is arranged on the head-worn device and comprises a seeing and hearing communication device, wherein the seeing and hearing communication device is arranged on the head-worn device or the cap brim and comprises a playing device, a display prism, a microphone and a loudspeaker. The display prism, the microphone and the loudspeaker are located in front of a display screen of the playing device, the playing device is arranged on the cap brim, the display prism corresponds to the playing device, the microphone is arranged on the cap brim, and the loudspeaker is arranged on the head-worn device. A camera, the display prism, the bone conduction microphone, a Bluetooth and a solar cell panel and the like are added on a common cap, so that the communication cap has the advantages of being good in cell endurance capacity, various in function, good in seeing and hearing effect, low in radiation strength and the like and greatly enables a user to conveniently see the screen of the playing device and receive and send information.

The invention discloses a mobile terminal with a marquee which can flash along with music, and the mobile terminal comprises a controller, the marquee, a memory, a RF module, a keyboard and a display, wherein, the memory comprises the following modules: a flash mode designing module of the marquee, which is used for designing flash modes of the marquee according to switching states, switching times and time delays of the switching states of all LEDs of the marquee and storing the flash modes in the memory; and a flash mode selection module of the marquee, which is used for selecting the different flash modes of the marquee according to the different music applications and saving the number of the selected mode in the memory. The invention further discloses a control method of the marquee. When the music is played, the dazzling glare of the marquee of the mobile terminal can flash along with the music, thereby enhancing the audio-visual effects, leading a mobile phone to have more entertainment and attractiveness and being in line with the present fashion requirements of the mobile phone.

The present invention provides an automatic audio/video control system designed to control an audio/video output device; the audio/video output device can at least produce a video source or audio source; the automatic audio/video control system comprises an ambient sensor designed to sense the intensity of signals from the video/audio source and output audio/video sensing signals, and an audio/video analyzer, which is electrically connected to the ambient sensor and the audio/video output device and designed to output audio/video control signals according to the audio/video sensing signals to regulate the intensity of the audio/video source. The control system sense variations of the ambient environment by means of the ambient sensor, analyzes and compares with the internal signals in the system, and output appropriate feedback signals to regulate the intensity of the audio/video source of the audio/video output device automatically, so as to attain best audio/video effect. The control system meets people's demand for easy use, environmental compatibility, and individualization for electronic products.

The invention discloses a movable type video conference and interaction teaching system. The movable type video conference and interaction teaching system is technically characterized by comprising a slidable bottom frame and a camera, wherein an electronic white board is arranged above the bottom frame; U-shaped support rods are arranged at both sides of the electronic white board and are fixedly connected with the bottom frame; a height-adjustable projection rod is arranged on each U-shaped support rod; a projector is arranged on the projection rods, is movable, and is used for projecting onto the electronic white board; the camera is used for a video conference. The movable type video conference and interaction teaching system has the advantages that when the electronic white board is used for teaching, a slide is projected, and a picture is marked or modified by a laser pen or a marker pen; when the movable type video conference and interaction teaching system is used for remote video and audio conferences, the picture of the remote conference in a computer can be projected onto the electronic white board; the projected content is controlled by a notebook computer, a tablet computer or a mobile phone arranged on a table beside, so that the simplicity and convenience are realized.

The invention provides a shock absorption mechanism which comprises an enclosure and a fixed plate fixed below the enclosure, wherein the enclosure comprises at least one curled-up first protruded part which is positioned at the bottom and is provided with three surfaces hollowed out; the fixed plate comprises a curled-up second protruded part which is positioned at the bottom of the fixed plate and provided with three surfaces hollowed out and corresponds to the first protruded part of the enclosure; and the head of the second protruded part abuts against the root of the first protruded part of the enclosure. The invention also provides a mobile multimedia broadcast device using the shock absorption mechanism. The problem of shock during use can be well solved. By the shock absorption mechanism, the problem of shock of equipment during working can be well solved by a dual-shock-absorption mode; the shock absorption mechanism is particularly applicable to an electronic device; the mechanism is convenient to manufacture and is applied to the enclosure made of an engineering plastic material; and the shock absorption mechanism is particularly applicable to vehicle-mounted devices. By the mobile multimedia broadcast device with the shock absorption mechanism, the problem of shock of the device during working can be solved and a good seeing and hearing effect is guaranteed.

The invention discloses a circuit for eliminating LCD backlight black frame insertion noises. The circuit comprises a first phase modulation module, and/or a second phase modulation module, wherein the first phase modulation module is disposed between a first backlight control module and a first backlight IC, and the second phase modulation module is arranged between a second backlight control module and a second backlight IC; the first phase modulation module modulates PWM signals outputted by the first backlight control module to the first backlight IC; the second phase modulation module modulates PWM signals outputted by the second backlight control module to the second backlight IC; and therefore, the phases of the PWM signals received by the first backlight IC and the second backlightIC are different, namely, the PWM signals received by the first backlight IC and the second backlight IC have phase difference. According to the prior art, sound generated by two output capacitors has the same phase and contains large noises, while, with the circuit provided by the technical schemes of the invention adopted, the sound generated by the two output capacitors can be partially offset, and therefore, noises are reduced, and user experience can be improved. The invention also discloses a head-mounted device. The noises of the head-mounted device can be decreased, and an audiovisualeffect can be improved.

The invention discloses a huge LED screen wall and a control system thereof, and belongs to the technical field of LED screen control. The huge LED screen wall comprises a power supply, a wire, a driving device, an LED screen, a multi-screen splicing processor, a CPU, a chip, an audio switcher, a video switcher, an Ethernet switch, an industrial control computer, a wireless router and a remote controller; the LED screen is connected with the multi-screen splicing processor; the multi-screen splicing processor is provided with a plurality of bus interfaces and is connected with the audio switcher and the video switcher at the same time through the bus interfaces; the audio switcher and the video switcher are connected with the Ethernet switch; the remote controller sends infrared codes or wireless signal instructions to the chip and the CPU; and the driving device is started to drive the LED screen to move. LED sub-screens can perform display independently, and are butted to form the whole LED screen wall, so that the audiovisual effect is better; and the LED screen wall is suitable for being popularized and used in large-scale conferences or entertainment stages.

The invention relates to a multimedia playing control method and device. The method comprises the steps of determining angle change data of a terminal device; judging whether to adjust to-be-output audio signals according to the angle change data of the terminal device or not; when it is judged that the to-be-output audio signals need to be adjusted, adjusting the left and right channel signals of the to-be-output audio signals. According to the technical scheme disclosed by the invention, the left and right channel signals of the to-be-output audio signals can be adjusted according to the angle change data of the terminal device, thereby adjusting the output audio signals to an output value applicable to a current terminal device angle, and the seeing and hearing effects of a user are improved.

The invention discloses an intelligent music fountain system comprising a control terminal, a PLC and a music collection analyzer. The PLC and the music collection analyzer are connected with the control terminal; the PLC is connected with music playing equipment, LED lamplight equipment and fountain equipment; the music collection analyzer is arranged and can be used for accurately analyzing music frequency so as to be matched with the PLC to control the lamplight equipment and the fountain equipment, lamplight and a water pump can change simultaneously as the same audio signal changes, the fountain equipment is also provided with nozzles of various forms and can conduct spraying through matching with different effects, and therefore prefect visual and audio effects are achieved.

The invention discloses extremely comfortable VR eyeglasses. The side edge of an eyeglass cover is provided with at least three sliding rings in the circumferential direction. The sliding rings are slidingly embedded in the side edge of the eyeglass cover and are connected with one another via flexible sealing tapes. Ventilation fans and ventilation windows are arranged on both sides of an eyeglass body. The ventilation fan at a side blows into the eyeglass body through the ventilation window. The ventilation fan at the other side blows out of the eyeglass body through the ventilation window.Earphones are arranged on both sides of a fixing headband and are sleeved with earphone sleeves. Further, each earphone is provided with an earphone cord and an earphone plug to be connected with a video player. The fixing headband is inflatable, and a cushion is filled with water and is provided with a breathable bar-shaped hole at a side. The extremely comfortable VR eyeglasses are simple in structure, convenient to use, and extremely comfortable, and can keep the head and the face clean and dry in a long time.

The invention relates to a business model based on a traditional television program interaction scheme. The business model comprises a cable digital set-top box, an IPTV set-top box, a magazine, a living room television, a mobile terminal, a wheat earing APP, and a cloud service terminal; a remote service terminal firstly extracts an original program audio parameter, participates in program recognition, and pushes a related barrage to the wheat earing APP built in the mobile terminal; the wheat earing APP transmits a program sound recognition barrage to the cloud service terminal; the cloud service terminal recognizes the program sound, and pushes the related barrage to the magazine; and standard programs of the cable digital set-top box or the IPTV set-top box are processed by the magazine and then a barrage superimposed picture is formed and transmitted to the living room television. The business model based on the traditional television program interaction scheme provided by the invention has the following advantages: the interaction between audiences and the interaction between the audiences and programs can be realized, and television advertisements can be purchased, and the business model of the interaction scheme can be applied in the traditional living room television and an interactive television is formed, so that the business model has a broad application prospect inthe promotion and use among users.

The invention provides an intelligent public transport multimedia system. The intelligent public transport multimedia system is mounted on vehicles and comprises a mainframe, a main board, a display module and a power wire are arranged in the mainframe, and a GPRS (general packet radio service) module, a signal acquisition module, a microprocessor unit, a storage unit and a signal output unit are integrated on the main board. The microprocessor unit receives signals transmitted by the signal acquisition module and/or the GPRS module, and by the aid of a map engine and comprehensive analysis software stored in a memory module, position information is displayed on a liquid crystal touch screen in real time through a display driving unit, and the signal output unit is controlled to output audios to a speaker for broadcasting. By integral design of signal receiving, processing and displaying and signal shielding setup of the main board, interferences are avoided, excellent audio-visual effects can be achieved, and the intelligent public transport multimedia system is applicable to various vehicles.

The method includes steps: setting system parameters as a parameter file stored in a storage media; putting the stored media to player and loading the system parameter file to player; converting the system file to system setting; applying the system setting for the optical player, when playing back. The player includes following parts: a controller, a decoder of decompressing video and audio connected to the controller for decompressing video and audio read from the controller; a storage slot connected to the decoder for connecting a storahr media; a CPU connected to the said decoder for executing program; a erseable storage connected to the CPU for storing the system parameters. The set system parameters stored in the storage media, inserting the storage media into the storage slot to convert the parameter file into system setting.

The invention discloses integrated VR eyeglasses. An eyeglass cover is detachably mounted on the front end opening of an eyeglass body. A fixing member for fixing a video player is formed in a side, close to the eyeglass body, of the eyeglass cover. A plurality of heat dissipating through holes are formed in one side, away from the eyeglass body, of the eyeglass cover. Heat dissipating fans are embedded in the heat dissipating through holes to blow out the hot air inside the eyeglass cover. A fixing headband is detachably connected to the back end of the eyeglass body. A cavity for receiving the head of a user is formed in the fixing headband. A cushion matching with the eyes and nose of the user is formed in the end face, close to the fixing headband, of the eyeglass cover. Earphones aredisposed on both sides of the fixing headband, are sleeved with earphone sleeves, and are provided with earphone cords and earphone plugs to be connected with the video player. The integrated VR eyeglasses are simple in structure and easy to use. The integrated design of the earphones and the VR eyeglass body can prevent incapability of experiencing VR technology due to forgetting the earphones.

The invention provides a signal enhancing structure. The signal enhancing structure is arranged in a device with an antenna; and the signal enhancing structure comprises a metal foil with a bent curved surface which is opposite to the antenna. The invention further provides a mobile multimedia broadcasting device; the device is mounted on a traffic tool and comprises a signal receiving and processing module, a display module and a fixing module, wherein a fixing plate of the fixing module is provided with a side wall with an arc surface and the metal foil which has the same shape as the side wall, so as to reflect a broadcasting signal to the antenna. Small change is made on the basis of a previous structure, and the antenna signal receiving capability is improved and the requirement of the device on the emission signal strength of an emitter is reduced; and meanwhile, the quantity of base stations is reduced and the signal enhancing structure has very good popularization meaning. The mobile multimedia broadcasting device adopting the signal enhancing structure can improve the antenna signal receiving capability of the device and obtains good visual and audio effects.

The invention discloses an aluminum-clad wood inward-opening tilt-turn window and relates to the field of doors and windows. The window comprises a window frame and window sashes. Connecting mechanisms of frames and frame cavities are optimized, so that the window can be opened and closed more conveniently, can be opened in side-hung and tilt-turn manners and meets requirements of people, a curtain can be used for shading and can also be used as a piece of projection fabric, a plurality of loudspeakers mounted on the frames are used for cooperation, audio and visual effects are improved, and the window is high in entertainment and has diversified functions.