CN104159004A - A recording and broadcasting shortcut controller - Google Patents
A recording and broadcasting shortcut controller Download PDFInfo
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- CN104159004A CN104159004A CN201410415383.9A CN201410415383A CN104159004A CN 104159004 A CN104159004 A CN 104159004A CN 201410415383 A CN201410415383 A CN 201410415383A CN 104159004 A CN104159004 A CN 104159004A
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Abstract
The invention relates to a recording and broadcasting shortcut controller. The recording and broadcasting shortcut controller includes an MCU circuit, a button circuit, a display circuit, and an interface circuit that is in data communication with an upper computer, and the recording and broadcasting shortcut controller is characterized in that: an application software is provided on the upper computer, the button circuit includes N buttons, each of which has fixed button identification corresponding to a control instruction of the application software; the MCU sends a data packet containing the button identification to the interface circuit after the button is triggered; the upper computer receives and analyzes the data packet, and then controls the application software to execute the corresponding instruction and replies a corresponding feedback data packet; and the MCU controls, in the case of receiving the feedback data packet, the display circuit to display a triggered state of the button. According to the invention, the application software of the upper computer, in particular an iRecord, can be controlled remotely through the buttons, which is greatly convenient to be used by the user.
Description
Technical field
The present invention relates to control of product technical field, particularly the quick controller of a kind of recorded broadcast instructor in broadcasting.
Background technology
Existing recording and broadcasting system is Ao Weiya high definition recording and broadcasting system, the sharp high definition recording and broadcasting system etc. of getting such as, and those recording and broadcasting systems are all generally by remote computer or utilize mouse action, and most of vacant all needs by step operating step by step; Not only complex operation of this kind of mode, cannot realize and on lectern, carry out a key and call, and there is no the prompting of corresponding function, causes operator due to strange to system, and causes curriculum quality to decline.And also needing many people to coordinate could use, be not easy to the normalization application of recording and broadcasting system in the time using recording and broadcasting system.
Summary of the invention
In view of this, the object of this invention is to provide the quick controller of a kind of recorded broadcast instructor in broadcasting, can be by pressing the application software of key control host computer.
The present invention adopts following scheme to realize: the quick controller of a kind of recorded broadcast instructor in broadcasting mainly comprises MCU circuit, key circuit, display circuit and the interface circuit with host computer data communication.It is characterized in that: on described host computer, be provided with an application software, described key circuit comprises N button, and each button has fixing marking keys, and described marking keys is corresponding with the control command of described application software; After described button triggers, described MCU can send a packet that includes described marking keys to interface circuit; After host computer reception resolution data bag, control described application software and carry out corresponding instruction, and reply corresponding feedback data packet; Described MCU receives this feedback data packet, controls the state that display circuit shows that this button triggers.
In an embodiment of the present invention, the structure of described packet is: be HH DD KK XX ZZ WW, wherein HH and WW are respectively packet header and bag tail for judging data and whether occur to lose or wrong to ensure the integrality of data, KK is that the ID of CPU uses for indicating chip, ZZ is the check digit of data, arrange for preventing that packet data in packet header and the normal situation of bag tail from sending to make mistakes, XX is marking keys, different keypress function corresponding to numerical value.
In an embodiment of the present invention, described feedback data packet is identical with the structure of packet, and wherein XX represents the function that described application software is carried out; Described MCU receives this feedback data packet, and according to the XX in this feedback data packet, controls the button indicator light light on and off of corresponding function.
In an embodiment of the present invention, described upper seat in the plane application software is high definition recorded broadcast software, and this high definition recorded broadcast software comprises following functions: course countdown, a key synchronous recording, a key net cast, a key teacher panorama, a key teacher feature, a key student panorama, a key student feature, a key teaching electronic brain, a key video presenter, a key teacher picture-in-picture, a key student picture-in-picture, a key teachers and students interaction, a key remote interaction, a key automatic mode, a key teaser or tail, a key CD burning.Described key circuit comprises 16 buttons, and the mark of each button is corresponding one by one with described function.
In an embodiment of the present invention, described display module comprises a charactron time display circuit and LED display circuit, and described LED display circuit comprises 16 LED lamps, and each lamp is corresponding with described 16 buttons, in order to the state that shows that each button triggers.
In an embodiment of the present invention, described interface circuit is that USB turns serial port circuit.
In an embodiment of the present invention, described display circuit comprises a digital pipe display circuit, in order to show the system time; Described key circuit comprises charactron time adjustment button.
In an embodiment of the present invention, described MCU is provided with reset key.
The present invention realizes and upper communication, by customization communication mechanism, i.e. communications protocol, both sides carry out the communication needing by this agreement, the feature of this agreement is to provide corresponding data for different states or action, obtaining information easily, makes the corresponding function of the corresponding triggering of each button, and indicates the state of various functions by display circuit, not only system architecture is simple, and can pass through button, a key starts corresponding function, for teaching is provided convenience.
Brief description of the drawings
Fig. 1 is embodiment of the present invention system hardware circuit theory schematic diagram.
Fig. 2 is software flow schematic diagram of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that.Therefore the present invention is not subject to the restriction of following public embodiment.
The present embodiment provides a kind of recorded broadcast instructor in broadcasting quick controller, mainly comprises MCU circuit, key circuit, display circuit and the interface circuit with host computer data communication.On described host computer, be provided with an application software, described key circuit comprises N button, and each button has fixing marking keys, and described marking keys is corresponding with the control command of described application software; After described button triggers, described MCU can send a packet that includes described marking keys to interface circuit; After host computer reception resolution data bag, control described application software and carry out corresponding instruction, and reply corresponding feedback data packet; Described MCU receives this feedback data packet, controls the state that display circuit shows that this button triggers, and wherein N is positive integer.
In an embodiment of the present invention, described charactron clock display is to drive chip and tetra-jiaos of buttons of a 8*8 to realize lighting and arranging of charactron by two 74HC595.The described network port is the prolongation effect for power supply.The power supply of system is designed by voltage chip AMS1117-3.3, has 3.3V output.The present embodiment complete machine externally fed 5V provide power supply by USB line.
Be noted that the present invention realizes and upper communication, need to first decide through consultation a communication mechanism, it is communications protocol, both sides carry out the communication needing by this agreement, the feature of this agreement is to provide corresponding data, easily obtaining information for different states or action.With the communication process of host computer in, for embodying the realization of function, therefore whether system has added realization that LED light carrys out presentation function, in the time that host computer is realized a certain function, can send corresponding data to control box, thereby control box determines the light on and off of LED function by the function that the parsing of data is obtained being performed.Keypress function aspect is to send agreement by control box to host computer to carry out practical function, often presses next key and sends corresponding instruction to host computer, and host computer is pressed by resolving known which function, thereby carries out corresponding action.
Concrete, above-mentioned communication mechanism is mainly a data packet form transmission, the structure of this packet is: be HH DD KK XX ZZ WW, wherein HH and WW are respectively packet header and bag tail for judging data and whether occur to lose or wrong to ensure the integrality of data, KK is that the ID of CPU uses for indicating chip, ZZ is the check digit of data, arrange for preventing that packet data in packet header and the normal situation of bag tail from sending to make mistakes, XX is marking keys, different keypress function corresponding to numerical value.
Preferably, upper seat in the plane application software described in the application is high definition recorded broadcast software, and this high definition recorded broadcast software comprises following functions: course countdown, a key synchronous recording, a key net cast, a key teacher panorama, a key teacher feature, a key student panorama, a key student feature, a key teaching electronic brain, a key video presenter, a key teacher picture-in-picture (the little picture of teacher), a key student picture-in-picture (the little picture of student), a key teachers and students interaction, a key remote interaction, a key automatic mode, a key teaser or tail, a key CD burning.This high definition recording and broadcasting system can be million banyan high definition recording and broadcasting systems (ZR iRecord), this million banyans high definition recording and broadcasting system (ZR iRecord) is a set of teacher's electronic script, multimedia courseware and the field scene synchronous acquisition of giving lessons to be recorded, and automatically synthesizes the system of real-time Classic Course.It has perfectly record, editting function; The picture building form of video is versatile and flexible; Network Based, can realize online live broadcasting.
Described key circuit comprises 16 buttons, and the mark of each button is corresponding one by one with described function.Wherein course countdown is to show for arranging and open countdown; One key synchronous recording is that various video/audio signals are recorded into multimedia file; One key net cast is that video/audio signal is broadcast live; One key teacher panorama refers to that output Picture switch is teacher's panorama signal; One key teacher feature refers to that output Picture switch is teacher's feature signal; One key student panorama refers to that output Picture switch is student's panorama signal; One key student feature refers to that output Picture switch is student's feature signal; One key teaching electronic brain refers to that output Picture switch is teaching electronic brain display, as PPT, courseware and various multimedia documents etc.; One key video presenter refers to that output Picture switch is video presenter signal; One key teacher picture-in-picture refers to the picture-in-picture in main video of the video about teacher is shown; One key student picture-in-picture refers to the picture-in-picture in main video of the video about student is shown; One key teachers and students interaction refers to that output Picture switch is the two image modes of Faculty and Students; One key remote interaction refers to that output Picture switch is local and remote pair of image mode; One key automatic mode is that output switching turns back to systematic automatic operation pattern; One key teaser or tail is to add to respectively containing the video segment of caption information during the video recording starts and finish; One key CD burning is to be burnt to optical data disk by completing the file of recording and making.In an embodiment of the present invention, described display module comprises a charactron time display circuit and LED display circuit, described LED display circuit comprises 16 LED lamps, each lamp is corresponding with described 16 buttons, in order to the state that shows that each button triggers, be the corresponding LED lamp of each button, the state that display button triggers intuitively.In an embodiment of the present invention, described feedback data packet is identical with the structure of packet, and wherein XX represents the function that described application software is carried out; Described MCU receives this feedback data packet, and according to the XX in this feedback data packet, controls the button indicator light light on and off of corresponding function.Preferably, in the time that XX represents 11, illustrate that the application software of host computer is responding this function, it is bright that MCU controls LED lamp, and in the time that XX represents 00, application software is finished to this function, and MCU control LED lamp goes out.During functional response, described application software sends feedback data packet every the scheduled time.
In an embodiment of the present invention, described interface circuit is that USB turns serial port circuit, and USB turns serial ports can easily realize being connected of system and host computer.It is worth mentioning that, described display circuit comprises a digital pipe display circuit, in order to show the system time; Described key circuit comprises charactron time adjustment button.Described MCU is provided with reset key.The present invention, by specific agreement, realizes button corresponding with function, and the application software of energy far distance controlled host computer, realizes a key operation, and the operating process of at utmost having simplified video teaching and having recorded, has good use value.Preferably software flow as shown in Figure 2.System is by keyboard scan, after identification, triggers and interrupts, and invocation protocol packet is realized communication by serial ports.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible variation and amendment to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection range of technical solution of the present invention.The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. the quick controller of recorded broadcast instructor in broadcasting, comprises MCU circuit, key circuit, display circuit and the interface circuit with host computer data communication; It is characterized in that: on described host computer, be provided with an application software, described key circuit comprises N button, and each button has fixing marking keys, and described marking keys is corresponding with the control command of described application software; After described button triggers, described MCU can send a packet that includes described marking keys to interface circuit; After host computer reception resolution data bag, control described application software and carry out corresponding instruction, and reply corresponding feedback data packet; Described MCU receives this feedback data packet, controls the state that display circuit shows that this button triggers.
2. the quick controller of recorded broadcast instructor in broadcasting according to claim 1, it is characterized in that: the structure of described packet is: be HH DD KK XX ZZ WW, wherein HH and WW are respectively packet header and bag tail for judging data and whether occur to lose or wrong to ensure the integrality of data, KK is that the ID of CPU uses for indicating chip, ZZ is the check digit of data, arrange for preventing that packet data in packet header and the normal situation of bag tail from sending to make mistakes, XX is marking keys, different keypress function corresponding to numerical value.
3. the quick controller of recorded broadcast instructor in broadcasting according to claim 2, is characterized in that: described feedback data packet is identical with the structure of packet, and wherein XX represents the function that described application software is carried out; Described MCU receives this feedback data packet, and according to the XX in this feedback data packet, controls the button indicator light light on and off of corresponding function.
4. the quick controller of recorded broadcast according to claim 1, it is characterized in that: described host computer application software is high definition recording and broadcasting system, the quick controller of described recorded broadcast is used for controlling following 16 functions of this high definition recorded broadcast software: course countdown, one key synchronous recording, one key net cast, one key teacher panorama, one key teacher feature, one key student panorama, one key student feature, one key teaching electronic brain, one key video presenter, one key teacher picture-in-picture, one key student picture-in-picture, one key teachers and students interaction, one key remote interaction, one key automatic mode, one key teaser or tail, one key CD burning.
5. the controller key circuit described in comprises 16 buttons, and the mark of each button is corresponding one by one with described function.
6. the quick controller of recorded broadcast instructor in broadcasting according to claim 4, it is characterized in that: described display module comprises a charactron time display circuit and LED display circuit, described LED display circuit comprises 16 LED lamps, each lamp is corresponding with described 16 buttons, in order to the state that shows that each button triggers.
7. the quick controller of recorded broadcast instructor in broadcasting according to claim 1, is characterized in that: described interface circuit is that USB turns serial port circuit.
8. want the quick controller of recorded broadcast instructor in broadcasting described in 1 according to right, it is characterized in that: described display circuit comprises a digital pipe display circuit, in order to show the system time; Described key circuit comprises charactron time adjustment button.
9. the quick controller of recorded broadcast instructor in broadcasting according to claim 1, is characterized in that: described MCU is provided with reset key.
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CN105915788A (en) * | 2016-04-27 | 2016-08-31 | 乐视控股(北京)有限公司 | Video webcasting method and apparatus |
CN106547632A (en) * | 2016-10-09 | 2017-03-29 | 广州海昇计算机科技有限公司 | A kind of instructor in broadcasting's control method and system based on built-in type multiplex high definition recorded broadcast equipment |
CN109377789A (en) * | 2018-10-26 | 2019-02-22 | 珠海中电数码科技有限公司 | A kind of combined intelligent shields blackboard comprehensively |
CN111338323A (en) * | 2020-03-23 | 2020-06-26 | 北京经纬恒润科技有限公司 | Key trigger and data processing method |
CN112533054A (en) * | 2019-09-19 | 2021-03-19 | 腾讯科技(深圳)有限公司 | Online video playing method and device and storage medium |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105915788A (en) * | 2016-04-27 | 2016-08-31 | 乐视控股(北京)有限公司 | Video webcasting method and apparatus |
CN106547632A (en) * | 2016-10-09 | 2017-03-29 | 广州海昇计算机科技有限公司 | A kind of instructor in broadcasting's control method and system based on built-in type multiplex high definition recorded broadcast equipment |
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