CN117915021A - Intelligent guide system - Google Patents
Intelligent guide system Download PDFInfo
- Publication number
- CN117915021A CN117915021A CN202410083437.XA CN202410083437A CN117915021A CN 117915021 A CN117915021 A CN 117915021A CN 202410083437 A CN202410083437 A CN 202410083437A CN 117915021 A CN117915021 A CN 117915021A
- Authority
- CN
- China
- Prior art keywords
- video
- rocker
- knob
- area
- broadcasting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001939 inductive effect Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000009331 sowing Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
Abstract
The invention discloses an intelligent guide broadcasting system, which is used for controlling a video to display an ith path of video stream signal picture corresponding to a main key of a number i in a broadcasting area when detecting that the main key of the number i is pressed, and regulating the angle or the distance of the video in the broadcasting area picture when detecting that a rocker of a knob rocker swings or the knob rotates; when the fact that the auxiliary key of a certain number j is pressed is detected, the video to-be-played area is controlled to display a jth path of video stream signal picture corresponding to the auxiliary key of the number j, the angle or the distance of the video to-be-played area picture is adjusted when the swinging of a rocker of a knob rocker or the rotation of the knob is detected, and when the fact that the main key of the number j is pressed is detected, the video is controlled to be switched into the jth path of video stream signal picture in the video to-be-played area picture. The method can realize the free and flexible switching of the pictures in the video playing and waiting playing areas, and can flexibly adjust the angles and the distances of the pictures collected by the camera, thereby meeting the requirements of live broadcasting and recorded broadcasting of multi-scene video input.
Description
Technical Field
The invention relates to the technical field of guided broadcasting, in particular to an intelligent guided broadcasting system.
Background
In the traditional live broadcasting era, people need to complete live broadcasting activities through a plurality of groups of equipment such as a switching console, a sound console, a video recorder, an encoder, a virtual live broadcasting room and the like, the requirement on the professional degree is high, and the price is high, so that users need low-cost and fully-functional live broadcasting equipment to complete the live broadcasting activities. The existing video live broadcast equipment can input single video source, can not meet the requirement of multi-scene video input, so that the multi-machine-position guide broadcast function can not be applied, and under the multi-scene live broadcast requirement condition, the single live broadcast equipment can not complete the integration and scheduling work of multi-path audio and video. The traditional guide broadcasting station can be used for switching the shot pictures in video live broadcasting so as to form live broadcasting video streams, but does not have the function of controlling a video camera, lacks unified control hardware, or has only a single control function, and can not realize free and flexible switching of video playing pictures.
Disclosure of Invention
Therefore, the invention provides an intelligent guide system to solve the problems that the existing video live broadcast and guide equipment cannot integrate and schedule multiple paths of video signals and video playing frames cannot be freely and flexibly switched.
In order to achieve the above object, the present invention provides the following technical solutions:
the embodiment of the invention provides an intelligent guide system, which comprises guide equipment and display equipment;
The guiding and broadcasting equipment comprises a knob rocker and a key area, wherein the knob rocker comprises a rocker unit for adjusting the angle of a video picture and a knob unit arranged at the upper end of the rocker and used for adjusting the distance of the video picture, the key area comprises a main key area and an auxiliary key area, the main key area comprises a plurality of main keys used for selecting and switching the picture of the video in-broadcasting area from a plurality of paths of video stream signals, and the auxiliary key area comprises a plurality of auxiliary keys used for selecting and switching the picture of the video in-broadcasting area from the plurality of paths of video stream signals;
the display equipment comprises a video on-demand area and a video to-be-broadcast area;
The main keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, the auxiliary keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, and N is a positive integer greater than or equal to 1;
When a main key of a certain number i is detected to be pressed, controlling the video to display an ith path of video stream signal picture corresponding to the main key of the number i in a broadcasting area, and adjusting the angle or distance of the picture in the broadcasting area when the swinging of a rocker of a knob rocker or the rotation of the knob is detected;
When the fact that the auxiliary key of a certain number j is pressed is detected, the video to-be-played area is controlled to display a jth path of video stream signal picture corresponding to the auxiliary key of the number j, the angle or the distance of the video to-be-played area picture is adjusted when the swinging of a rocker of a knob rocker or the rotation of the knob is detected, and when the fact that the main key of the number j is pressed is detected, the video is controlled to be switched into the jth path of video stream signal picture in the video to-be-played area picture.
Further, the key area further comprises an auxiliary function key area, and the auxiliary function key area comprises a plurality of auxiliary function keys.
Further, the guiding and broadcasting device further comprises a control circuit module, the control circuit module comprises a microcontroller, a key detection circuit and a knob rocker controller, the key detection circuit is connected with a plurality of keys, the key detection circuit and the knob rocker controller are both connected with the microcontroller, the microcontroller is connected with an upper computer, and the upper computer is connected with a multi-channel video acquisition camera for acquiring multi-channel video stream signals and display equipment for displaying video broadcasting and waiting broadcasting regional pictures.
Further, the motion direction of rocker unit includes four swing directions in radial direction, and the angle adjustment of four directions about the upper and lower of corresponding camera respectively, the rocker unit is including setting up four inductive switch in the base below the rocker, inductive switch connects knob rocker controller, inductive switch is micro-gap switch, and four micro-gap switch's trigger shell fragment is arranged in four directions in front of the rocker respectively, back, left and right, shakes the trigger shell fragment of touching different micro-gap switches through the rocker and produces the inductive signal of different directions.
Further, the rotation direction of the knob unit comprises left and right rotation in an axial preset angle range, the rotation direction corresponds to the enlarged focal length and the reduced focal length of the camera, the knob unit is internally provided with a rotary potentiometer, the rotary potentiometer is connected with a knob rocker controller, when the knob rotates, the resistance of the rotary potentiometer is changed to generate different electric signals, and a reset spring is further arranged in the knob unit, and after each rotation, the hands can be automatically loosened to return.
Further, the video acquisition camera comprises a fixed intelligent camera, a mobile handheld camera and an aerial unmanned aerial vehicle.
Further, the upper computer comprises a CPU, the microcontroller is connected with the CPU, and the model of the microcontroller is CH32V203C8T6.
Further, the display device comprises a display, the display is connected with a GPU, the GPU is connected with a CPU, the display device further comprises a large screen connected with the GPU, and the GPU is connected with the display and the large screen through HDMI/DP/VGA to display images.
Further, the CPU is connected with the network adapter, the network adapter is connected with the router, the router is connected with the video acquisition camera, the network adapter adopts the Ethernet, is connected with the router through RJ45 to acquire video signals transmitted by the camera, and performs live video broadcast through the WAN, and the network adapter is simultaneously connected with the ARM processor to acquire the video input of HDMI/DP.
Further, the microcontroller is connected with the keys and the indicator lamps through the GPIO, the key detection circuit is used for detecting the pressing of the keys and controlling the on and off of the indicator lamps, and meanwhile, the microcontroller is used for measuring the voltage of the knob rocker controller through the ADC to obtain the current state of the knob rocker controller.
The invention has the following advantages:
The invention provides an intelligent guide system, which comprises guide equipment and display equipment; the guiding and broadcasting equipment comprises a knob rocker and a key area, wherein the knob rocker comprises a rocker unit for adjusting the angle of a video picture and a knob unit arranged at the upper end of the rocker and used for adjusting the distance of the video picture, the key area comprises a main key area and an auxiliary key area, and the display equipment comprises a video broadcasting area and a video waiting area; the main keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, the auxiliary keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, and N is a positive integer greater than or equal to 1; when a main key of a certain number i is detected to be pressed, controlling the video to display an ith path of video stream signal picture corresponding to the main key of the number i in a broadcasting area, and adjusting the angle or distance of the picture in the broadcasting area when the swinging of a rocker of a knob rocker or the rotation of the knob is detected; when the fact that the auxiliary key of a certain number j is pressed is detected, the video to-be-played area is controlled to display a jth path of video stream signal picture corresponding to the auxiliary key of the number j, the angle or the distance of the video to-be-played area picture is adjusted when the swinging of a rocker of a knob rocker or the rotation of the knob is detected, and when the fact that the main key of the number j is pressed is detected, the video is controlled to be switched into the jth path of video stream signal picture in the video to-be-played area picture. The invention can realize the free and flexible switching of the pictures in the broadcasting and waiting broadcasting areas, can flexibly adjust the angle and the distance of the pictures collected by the camera, and meets the live broadcasting requirement of multi-scene video input.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a flowchart of a method for booting a smart booting system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a multicast device in an intelligent multicast system according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a multicast device in an intelligent multicast system according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of a video frame of a display device in an intelligent multicast system according to an embodiment of the present invention.
In the figure: the device comprises a base shell 1, a knob rocker 2, a main key area 3, an auxiliary key area 4, an auxiliary function key area 5, a sowing area 6, a waiting area 7, a rocker unit 21 and a knob unit 22.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems, the embodiment of the application provides an intelligent guide system which comprises guide equipment and display equipment.
As shown in fig. 2 and 3, the broadcasting guiding device includes a knob rocker 2 and a key area, the knob rocker 2 includes a rocker unit 21 for adjusting the angle of the video picture and a knob unit 22 disposed at the upper end of the rocker for adjusting the distance of the video picture, the key area includes a main key area 3 and a sub key area 4, the main key area 3 includes a plurality of main keys for selecting and switching the picture of the video broadcasting area 6 from the multi-path video stream signal, and the sub key area includes a plurality of sub keys for selecting and switching the picture of the video broadcasting area 7 from the multi-path video stream signal.
The display device comprises a video on-air area 6 and a video off-air area 7.
Main keys with serial numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, auxiliary keys with serial numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, and N is a positive integer greater than or equal to 1.
As shown in fig. 1, the embodiment of the application provides a method for guiding an intelligent guiding system, which comprises the following steps:
s100, when a main key with a certain number i is detected to be pressed, controlling the video to display an ith path of video stream signal picture corresponding to the main key with the number i in a broadcasting area 6, and adjusting the angle or distance of the picture in the broadcasting area 6 when the swinging of a rocker of a knob rocker 2 or the rotation of the knob is detected;
and S200, when a fact that a sub key of a certain number j is pressed is detected, controlling the video to be played area 7 to display a jth path of video stream signal picture corresponding to the sub key of the number j, adjusting the angle or the distance of the video to be played area 7 picture when the rocker of the knob rocker 2 is detected to swing or the knob is detected to rotate, and when the fact that a main key of the number j is pressed is detected, controlling the video to be switched into the jth path of video stream signal picture in the playing area 6 picture.
Illustratively, as shown in fig. 4, when any main key (e.g., main key one) is pressed, the knob rocker 2 can adjust the distance and angle of the captured image of the camera one, and the on-screen playing area 6 displays the content captured by the camera one. When the switching/adjusting is needed, the auxiliary key (for example, the auxiliary key II) is pressed, at this time, the knob rocker 2 can adjust the distance and angle of the camera II, the to-be-played area 7 on the screen displays the content of the camera II, after the picture is adjusted, the main key II is pressed, at this time, the play content in the play area 6 can be switched from the camera I to the picture of the camera II, and the adjustment is completed.
Specifically, in this embodiment, the multicast guiding device includes a base housing 1, a knob rocker 2 disposed on a surface of the base housing 1, a key area, and a control circuit module disposed inside the base housing 1.
The key area comprises a main key area 3, an auxiliary key area 4 and an auxiliary function key area 5, the main key area 3 comprises a plurality of main keys for selecting and switching the pictures of the video on-the-spot area 6 from the multi-channel video stream signals, the auxiliary key area 4 comprises a plurality of auxiliary keys for selecting and switching the pictures of the video on-the-spot area 7 from the multi-channel video stream signals, and the auxiliary function key area 5 comprises a plurality of auxiliary function keys which can be different from the functions of presetting video spots, game score setting and the like.
The control circuit module comprises a microcontroller, a key detection circuit and a knob rocker controller, wherein the key detection circuit is connected with a plurality of keys, the key detection circuit and the knob rocker controller are both connected with the microcontroller, the microcontroller is connected with an upper computer, and the upper computer is connected with a multi-channel video acquisition camera for acquiring multi-channel video stream signals and display equipment for displaying pictures of video broadcasting and waiting broadcasting areas.
The waiting area 7 may be partitioned according to the number of video stream signals, and when the number of cameras is large, the video display area may be subdivided, for example, all four-grid windows may be used. Meanwhile, a plurality of keys can be arranged on the display screen for realizing functions such as video picture switching, auxiliary function setting and the like at the screen end.
In this embodiment, the movement direction of the rocker unit 21 includes four swing directions in the radial direction, which respectively correspond to the angle adjustment in the up-down, left-right directions of the camera, the rocker unit 21 includes four inductive switches disposed in the base below the rocker, the inductive switches are connected to the knob rocker controller, the inductive switches are micro switches, and the trigger spring pieces of the four micro switches are respectively disposed in the four directions of the front, rear, left and right directions of the rocker, and generate inductive signals in different directions by the rocker rocking the trigger spring pieces touching different micro switches.
In this embodiment, the rotation direction of the knob unit 22 includes a left-right rotation within an axial preset angle range, corresponding to the enlarged focal length and the reduced focal length of the camera, the knob unit 22 is internally provided with a rotary potentiometer, the rotary potentiometer is connected with a knob rocker controller, when the knob rotates, the resistance of the rotary potentiometer changes to generate different electric signals, a reset spring is further installed inside the knob unit 22, and after each rotation, the hands can be loosened automatically and in return.
In this embodiment, the video acquisition camera includes fixed intelligent camera, removal handheld camera, unmanned aerial vehicle takes photo by plane.
In this embodiment, the upper computer includes a CPU, and the microcontroller is connected to the CPU, and the model of the microcontroller is CH32V203C8T6.
The video display device comprises a display, wherein the display is connected with a GPU, and the GPU is connected with a CPU. The video display device further includes a large screen connected to the GPU, which is connected to the display and the large screen through HDMI/DP/VGA to display the image.
The CPU is connected with the network adapter, the network adapter is connected with the router, the router is connected with the video acquisition camera, the network adapter adopts the Ethernet, the network adapter is connected with the router through RJ45 to acquire video signals transmitted by the camera, video live broadcast is carried out through the WAN, and the network adapter is simultaneously connected with the ARM processor to acquire video input of HDMI/DP.
The microcontroller is connected with the keys and the indicator lamps through the GPIO, and detects the pressing of the keys and controls the on and off of the indicator lamps through the key detection circuit, and meanwhile, the microcontroller obtains the current state of the knob rocker controller through the voltage of the ADC measurement knob rocker controller.
The CPU is connected with the hard disk, the memory and the sound card through the north-south bridge chip, and the sound card is connected with the sound console or the audio input through the Kanong or the 6.5 MM.
The CPU is linked with the hard disk by adopting a SATA3 protocol or an NVME protocol, adopts DDR5 standard with the memory, uses PCIE x1 with the network adapter and the sound card, uses PCIE x32 with the GPU, performs data transmission with the microcontroller CH32V203C8T6 by adopting TTL, and is connected with the keyboard and the mouse through the USB protocol.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (10)
1. An intelligent guiding and broadcasting system is characterized by comprising guiding and broadcasting equipment and display equipment;
The guiding and broadcasting equipment comprises a knob rocker and a key area, wherein the knob rocker comprises a rocker unit for adjusting the angle of a video picture and a knob unit arranged at the upper end of the rocker and used for adjusting the distance of the video picture, the key area comprises a main key area and an auxiliary key area, the main key area comprises a plurality of main keys used for selecting and switching the picture of the video in-broadcasting area from a plurality of paths of video stream signals, and the auxiliary key area comprises a plurality of auxiliary keys used for selecting and switching the picture of the video in-broadcasting area from the plurality of paths of video stream signals;
the display equipment comprises a video on-demand area and a video to-be-broadcast area;
The main keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, the auxiliary keys with the numbers of 1-N respectively correspond to the 1 st-N path of video stream signals, and N is a positive integer greater than or equal to 1;
When a main key of a certain number i is detected to be pressed, controlling the video to display an ith path of video stream signal picture corresponding to the main key of the number i in a broadcasting area, and adjusting the angle or distance of the picture in the broadcasting area when the swinging of a rocker of a knob rocker or the rotation of the knob is detected;
When the fact that the auxiliary key of a certain number j is pressed is detected, the video to-be-played area is controlled to display a jth path of video stream signal picture corresponding to the auxiliary key of the number j, the angle or the distance of the video to-be-played area picture is adjusted when the swinging of a rocker of a knob rocker or the rotation of the knob is detected, and when the fact that the main key of the number j is pressed is detected, the video is controlled to be switched into the jth path of video stream signal picture in the video to-be-played area picture.
2. The intelligent director system of claim 1, wherein the key area further comprises an auxiliary function key area comprising a plurality of auxiliary function keys.
3. The intelligent broadcasting guide system of claim 1, wherein the broadcasting guide device further comprises a control circuit module, the control circuit module comprises a microcontroller, a key detection circuit and a knob rocker controller, the key detection circuit is connected with a plurality of keys, the key detection circuit and the knob rocker controller are both connected with the microcontroller, the microcontroller is connected with an upper computer, and the upper computer is connected with a multi-channel video acquisition camera for acquiring multi-channel video stream signals and a display device for displaying pictures of video broadcasting and waiting broadcasting areas.
4. The intelligent guide sowing system according to claim 1, wherein the movement direction of the rocker unit comprises four swinging directions in a radial direction, the four swinging directions respectively correspond to the angle adjustment in the upper, lower, left and right directions of the camera, the rocker unit comprises four inductive switches arranged in a base below the rocker, the inductive switches are connected with a knob rocker controller, the inductive switches are microswitches, trigger spring pieces of the four microswitches are respectively arranged in the four directions of the front, rear, left and right directions of the rocker, and the rocker shakes the trigger spring pieces touching different microswitches to generate induction signals in different directions.
5. The intelligent guide system according to claim 1, wherein the rotation direction of the knob unit includes left and right rotations within an axial preset angle range, corresponding to the enlarged focal length and the reduced focal length of the camera, the knob unit is internally provided with rotary potentiometers, the rotary potentiometers are all connected with a knob rocker controller, when the knob rotates, the resistance of the rotary potentiometers changes to generate different electric signals, and a reset spring is further installed in the knob unit, so that the hands can be automatically loosened after each rotation.
6. The intelligent director system of claim 1, wherein the video capture camera comprises a stationary intelligent camera, a mobile handheld camera, an aerial unmanned aerial vehicle.
7. The intelligent broadcasting guide system according to claim 3, wherein the upper computer comprises a CPU, the microcontroller is connected with the CPU, and the microcontroller is CH32V203C8T6.
8. The intelligent multicast system according to claim 7, wherein the display device comprises a display connected to a GPU, the GPU connected to a CPU, the display device further comprising a large screen connected to the GPU, the GPU connected to the display and the large screen via HDMI/DP/VGA to display images.
9. The intelligent multicast system according to claim 7, wherein the CPU is connected to a network adapter, the network adapter is connected to a router, the router is connected to a video capturing camera, the network adapter uses ethernet, and is connected to the router through RJ45 to capture video signals transmitted by the camera, and video live broadcast is performed through the WAN, and the network adapter is simultaneously connected to an ARM processor to capture video input of HDMI/DP.
10. The intelligent broadcasting guide system of claim 7, wherein the microcontroller is connected with the key and the indicator lamp through the GPIO, and detects the pressing of the key and controls the on and off of the indicator lamp through the key detection circuit, and simultaneously the microcontroller obtains the current state of the knob rocker controller through the voltage of the ADC measuring knob rocker controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202410083437.XA CN117915021A (en) | 2024-01-19 | 2024-01-19 | Intelligent guide system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202410083437.XA CN117915021A (en) | 2024-01-19 | 2024-01-19 | Intelligent guide system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117915021A true CN117915021A (en) | 2024-04-19 |
Family
ID=90683608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202410083437.XA Pending CN117915021A (en) | 2024-01-19 | 2024-01-19 | Intelligent guide system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117915021A (en) |
-
2024
- 2024-01-19 CN CN202410083437.XA patent/CN117915021A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20210152868A1 (en) | Method of controlling a horizontal screen or vertical screen of television, device, and storage medium | |
CN111698390A (en) | Virtual camera control method and device, and virtual studio implementation method and system | |
WO2017161777A1 (en) | Panorama live broadcast method and device | |
US20160219262A1 (en) | Zoom related methods and apparatus | |
US10296281B2 (en) | Handheld multi vantage point player | |
US20120069206A1 (en) | Camera image correction system and image correction method employing the same | |
CN205179215U (en) | Teaching recording and broadcasting system | |
CN104777991A (en) | Remote interactive projection system based on mobile phone | |
US9965027B2 (en) | Control system employing identification of a displayed image | |
WO2015196594A1 (en) | Television channel change control method and television channel change control system | |
CN106658148B (en) | VR playing method, VR playing device and VR playing system | |
US10156898B2 (en) | Multi vantage point player with wearable display | |
EP3225903A1 (en) | Intelligent projection light bulb and interactive and intelligent projection method thereof | |
US9037275B2 (en) | Playback speed control apparatus and playback speed control method | |
JP2020010130A (en) | Electronic device | |
CN114285985B (en) | Method for determining preview direction of camera and display device | |
CN117915021A (en) | Intelligent guide system | |
CN108052206B (en) | Video playing method and device and electronic equipment | |
CN221553323U (en) | Live broadcast intelligent switching device | |
CN113170231A (en) | Method and device for controlling playing of video content following user motion | |
TW201138437A (en) | System and method for remotely switching TV channels | |
CN114697690A (en) | System and method for extracting specific stream from multiple streams transmitted in combination | |
CN106817431B (en) | Internet of things video remote control method and system | |
CN214014398U (en) | Live device and audio frequency and video all-in-one based on audio frequency and video all-in-one | |
TWI780450B (en) | Pickup system and pickup device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |