57results about How to "Strong sense of presence" patented technology

The invention relates to a flying cinema device, which can solve the problem in the prior art of poor watching experience due to a longer distance between audiences and a screen well. According to the main points of the technical scheme, the flying cinema device comprises the screen and a playing assembly corresponding to the screen. The flying cinema device is characterized by comprising a power system, a seat platform, a bearing base fixedly arranged in front of the screen, a platform and seats; the platform is connected with the bearing base by mounting a rotating shaft in a sleeved manner; the bearing base is fixedly arranged on the ground; a bearing rack is arranged at the back part which is far from the screen corresponding to the platform; the bottom of the bearing rack is fixedly arranged on the ground; a free end of the power system is fixedly connected with the lower surface of the platform; the upper surface of the platform is fixedly connected with a plurality of seat fixing frames; and each seat fixing frame is connected with the seat through the base platform. With the adoption of the flying cinema device provided by the invention, the audiences are close to the screen, so as to achieve strong presence and optimal watch experience.

The invention discloses a method for tracking teacher movements, which is based on the movement detection and combined with multi-channel fusion. The method comprises the following steps: step 1: detecting voice signals; step 2: detecting original mouse device signals; step 3: identifying the video picture movement face detection; step 4: fusing the detection results of the three channels from step 1 to step 3, identifying the position of the teacher, controlling the holder to turn to the moving teacher and zooming in and out; and step 5: circulating from step 1 to step 4 and tracking the teacher in a real-time manner. The method can be applied to not only a remote education intelligent classroom, but also a video conference, a video telephone and a network meeting, the method can capture the pictures of the on-site major person accurately in a real-time manner to transmit to participants on the remote end, so that the participants on the remote end can acquire a remote interactive experience with a higher presence.

The invention discloses an analog operation system and an analog operation method for a tower crane. The analog operation system comprises an analog unit (2) and a display unit (3), the analog unit (2) comprises a dynamics control module (4) and a graphics module (5), the dynamics control module (4) is used for acquiring operational instructions and dynamically controlling the tower crane and objects in a virtual scene according to the acquired operational instructions, the graphics module (5) is used for outputting dynamics control results, the display unit (3) is used for displaying the virtual scene and the dynamics control results, and dynamics control is realized by the aid of dynamics analog software Vortex. The analog operation system and the analog operation method for the tower crane are lifelike in effect and better in training effect.

The invention discloses an audio processing method, comprising that the convolution calculation is performed on an audio signal sequence filtered by time-domain head-related impulse response filtering processing and a first impulse response sequence h(n) to obtain audio signal data after the convolution calculation; the first impulse response sequence h(n) is characterized in that the duration experienced by the audio energy attenuation of 60dB is a first duration; and the range of values of the first duration is [360 milliseconds, 440 milliseconds]. The invention also discloses an audio processing device and solves the technical problem of how to re-process a three-dimensional sound so that the sound seems to come from a surrounding space to better simulate or reconstruct the effect of the sound coming from a specific real environment in the prior art.

A video/audio recording/reproducing apparatus (101) has an internally-mounted stereo microphones (21a,21b) and an external microphone connection terminal (32). The external microphone connection terminal (32) is connected to binaural microphones (3) to be attached to the ears of a recording user (300). In a case of collecting ambient sounds by use of the binaural microphones (3), the user switches the audio signals to be recorded in a recording medium from the audio signals obtained from the internally-mounted stereo microphones (21a,21b) to the binaural audio signals obtained from the binaural microphones (3). The recording user (300) attaches the binaural microphones (3(31a,31b)) to his ears to collect sounds around him including sounds generated from an imaged subject. A camera part (11) images the subject. The binaural audio signals, video signals obtained by imaging the subject, and binaural flag signals are recorded into the recording medium.

The invention discloses a 3D substation panoramic real-time control system based on a virtual simulation technology. A plurality of field data acquisition devices are respectively mounted on a plurality of actual substations. The output ends of the field data acquisition devices are connected with the input end of a control system. The output end of the control system is connected with the input end of a computer 3D modeling system. The output end of the computer 3D modeling system is connected with a 3D panoramic display in a dispatching hall. The field data acquisition devices are used for surveying and mapping the substation sites and collecting the relative positions, deviation angles and actual sizes of all equipment in the substations. The control system is used for adjusting the parameters of the relative positions, deviation angles and actual sizes and transmitting the adjusted real-time data to the computer 3D modeling system. The computer 3D modeling system carries out 3D modeling of the original equipment according to the collected and processed data and carrying out 360-degree panoramic display of the modeled equipment models.

The invention relates to the technical field of audio processing, in particular to an audio processing technology, 3D virtual sound and applications of the 3D virtual sound. When a common 2.0 two-channel stereo audio file which is served as a signal to be identified enters a processor to be scanned, analyzed and identified by the processor; musical sound signals and noise signals are extracted, non-linear time matching between the signals to be identified and standard signals of a database is performed, then acoustic signals are continuously indentified; a sound model is built, and finally a sound source space is stretched and expanded, so that three-dimensional space information including length, width and height information is obtained, and the processed 2.0 two-channel stereo audio file after performing logic positioning on the time line is outputted. 3D audio effect (3D virtual sound) in the real sense can be realized through the audio processing technology. Compared with the common stereo sound, the 3D virtual sound adopts a mode that sound likes surrounding an auditor, the sound field produced by the mode not only remains the sound source direction sense of original signals, but also produces surrounding sense and expansion sense of sound.

The invention relates to a stacking system and a stacking method for a steel plate. The stacking system comprises illumination subsystems, view indication subsystems, camera subsystems, a display subsystem, a position indicating point and a telescopic link, wherein integrated base bodies are arranged on a second section of telescopic tube and a first section of telescopic tube of the telescopic link respectively; and each integrated base body is provided with the illumination subsystems, the view indication subsystems and the camera subsystem. The stacking method comprises the steps: 1) the distance between the camera subsystem on the second section of telescopic tube of the telescopic link and a cross beam middle line of an electromagnetic lifter is half of the width of the lifted steel plate; 2) positions of a travelling crane and a lifting tool of the electromagnetic lifter are observed and adjusted through a cruciform goal aiming baseline, corner parts of the steel plate are superposed with a right angle of the cruciform goal aiming baseline; and 3) the steel plate is lifted and moved to above a target stacking zone, a right angle of the position indicating point is superposed with the right angle of the cruciform goal aiming baseline, and the steel plate is laid down. With the adoption of the system, planar accurate positioning of the steel plate during the stacking course can be realized, and the stacking efficiency and stacking quality are improved.

The invention discloses a method for tracing view field and manufacturing stereoscopic film by twice rendering. The method comprises the following steps: (1) using a spherical view field stereoscopic camera to trace and shoot image information observed by view field of human eyes, and rendering the shot image information through a computer; (2) using a digital projection device having the same optical characteristics as the camera to project an image to an actual projected screen position by same motion mode; (3) according to the principle of reversibility of an optical path, using a computer digital camera which has same optical characteristics as a field projector to record the image mapped on the actual screen position; and (4) in a real playhouse, projecting the image finally rendered in step (3) onto the field screen through the field projector by a screening device, and making audiences in the same motion mode when the spherical view field stereoscopic camera shoots, so that the effect of the image on the screen watched by the audiences in motion is same as the effect of the image watched by the audiences in real scene.

The invention provides a wireless camera and a video signal processing method thereof. The electric control lens is used for focusing and miniaturizing a scene picture; imaging is carried out by an image sensor, the image sensor converts an optical signal of a scene picture into an electric signal and sends the electric signal to the video signal processor for video coding and front-end special effect processing. After processing is completed, the video signal is divided into two paths, one path of the signal is sent to a video compressor to be compressed into a compression code in an H.265 format and then sent to a video output format selection switch, and the other path of video signal source code is directly sent to the video output format selection switch; and the video output format selection switch outputs a compression code or an original code to the 5G terminal module and sends the compression code or the original code to the background through a wireless port of the 5G terminal module. The video signal transmission of the camera based on the 5G technology is low in time delay and strong in sense of immediacy, and is very suitable for the transmission of aerial photographysignals and can be used for transmiting high-definition and ultra-high-definition audio and video signals.

The invention discloses a high-fidelity multipurpose loudspeaker box system which comprises a low-pitch loudspeaker, a full-frequency loudspeaker, a low-pitch box body, a middle-high-pitch loudspeaker, a low-pitch frequency divider and a loudspeaker box base. The low-pitch loudspeaker and the low-pitch frequency divider are connected through a circuit, the low-pitch frequency divider is arranged in the loudspeaker box base, and the low-pitch loudspeaker and the full-frequency loudspeaker are both connected with a binding post on the loudspeaker box base. The low-pitch box body is provided with a straight through cavity, one end of the cavity is open, the other end of the cavity is connected to the loudspeaker box base, and the low-pitch loudspeaker is arranged at the opening formed one end of the cavity. The middle-high-pitch loudspeaker comprises a semi-circular bent pipe and a conical pipe, one end of the semi-circular bent pipe is connected with the upper portion of the low-pitch loudspeaker, the other end of the semi-circular bent pipe is communicated with the opening formed in the smaller end of the conical pipe arranged horizontally, the conical pipe is located above the opened end of the low-pitch box body, and the full-frequency loudspeaker is arranged at the opening formed in the large end of the conical pipe. The high-fidelity multipurpose loudspeaker box system reduces the influence of environmental acoustic conditions on a listening effect and is suitable for usage in a home environment on which strict acoustic treatment is not conducted.

The invention provides a body-sensing camera pan-tilt holder capable of following the head movement of a human body and a control method. The body-sensing camera pan-tilt holder is composed of a transmitter part and a receiver part; the transmitter part includes a space angle sensor, a transmitter control circuit and a wireless transmitting circuit, wherein space angle sensor is connected with the transmitter control circuit, and the transmitter control circuit is connected with the wireless transmitting circuit; the receiver part includes a wireless receiving circuit, a pan-tilt holder control circuit, a servo driving circuit and a pan-tilt holder main body, wherein the wireless receiving circuit is connected with the pan-tilt holder control circuit, the pan-tilt holder control circuit is connected with the servo driving circuit, and the servo driving circuit is connected with the pan-tilt holder main body; the transmitter part mainly acquires the space angle of the head of the human body and transmits the angle information to the receiver part through the wireless transmitting circuit; and the receiver part mainly receives the space angle information of the head of the human body sent by the transmitter and applies the angle information to the control of the pan-tilt holder main body, so that the pan-tilt holder can completely follow the head movement of the human body.

Provided are a data transmission device, a method for transmitting data, an audio-video environment control device, a method for controlling audio-visual environment, an audio-video environment control system, wherein peripheral devices can be appropriately controlled in accordance with the layout of the peripheral devices in an actual audio-visual environment so that a high realistic sensation is obtained. A data reception device (20) receives a predetermined video data and/or audio data, identification information indicative of an arrangement pattern of peripheral devices (lighting devices) arranged in a virtual audio-visual environment space, lighting control data corresponding to the peripheral devices arranged in the virtual audio-visual environment space. A lighting dimming data generation unit generates driving control data for driving and controlling an actual lighting device (32) in accordance with identification information, lighting control data, and arrangement information of the lighting device (32) in an actual audio-visual environment space, wherein the arrangement information is acquired from a lighting arrangement information memory unit (25).

The invention relates to a protective frame for digital equipment with improved sound effects and impact protection capabilities, characterized in that it includes a conductive device frame body (11) and a folding or bending bracket (12) that also serves as a sound box device, and digital equipment (99) Fixed in the frame body (11) of the conduction device, the folding or bending bracket (12) of the sound box device plays a role in supporting the digital device (99); the frame body (11) of the conduction device is a hollow structure and the digital device (99) The emitted sound is guided into the folded or bent bracket (12) which also has a speaker device according to the set sound signal channel to obtain a closed or semi-closed speaker stereo effect; the hollow structure also improves the impact protection ability for the conduction device frame body (11) .

The invention is applicable to the technical field of virtual reality, and discloses a virtual reality device with panoramic photographing function. The virtual reality device comprises a virtual reality device body and a headband connected to the virtual reality device body; The virtual reality device body and the headband are provided with cameras facing in different directions, and the virtualreality device further comprises a processing module for splicing imaging pictures of each of the cameras into virtual reality scenes. The invention provides a virtual reality device with panoramic image capturing function, through the processing module, the images captured by each camera can be seamlessly spliced to form a virtual reality scene, thus forming a brand-new video communication mode,enabling two or more parties to immerse themselves in the same seamless connection scene, enhancing the sense of reality and the sense of presence when chatting, and being more real, more realistic and stronger in presence.

The invention provides comprehensive stereophonic draw-bar sound equipment, which comprises a draw-bar box body, a draw bar arranged at the rear part of the draw-bar box body, a pair of alto loudspeakers which are transversely arranged in the draw-bar box body and face the front part of the draw-bar box body, and a pair of tweeter units which are transversely arranged in the draw-bar box body, face the front part of the draw-bar box body and are respectively arranged above the corresponding alto loudspeakers, and a mega bass horn unit which is arranged at the bottom part of the draw-bar box body and faces the front part of the draw-bar box body. When the music is played, the music is sent out from the two alto loudspeakers, so that the stereo playing effect is very obvious, and the sense of immediacy is stronger. Besides, the two tweeter units are respectively arranged on the two sound box positioning positions, and high pitch components in the music can be respectively emitted from the tweeter units arranged at the left and right positions, so that the high pitch layering sense of the music is stronger, and stronger auditory pleasure can be generated. Meanwhile, the mega bass hornunit can generate a vigorous and steady bass effect.