技术领域technical field
本实用新型涉及教学录播技术领域，特别是涉及一种智能教学录播系统。The utility model relates to the technical field of teaching recording and broadcasting, in particular to an intelligent teaching recording and broadcasting system.
背景技术Background technique
所谓录播系统，其是将现场摄录的视频、音频进行整合同步录制，生成标准化的流媒体文件，用来对外直播、存储、后期编辑或点播等。而所谓教学录播系统，其将录播系统和教学整合起来，具体的，在教室安装摄像头，通过摄像头多方位对精品课程和重要会议等采集信号并录制到计算机硬盘中，学生或者老师可以从不同的摄像视角观看录像文件。The so-called recording and broadcasting system is to integrate and record the video and audio recorded on the spot simultaneously to generate standardized streaming media files for external live broadcast, storage, post-editing or on-demand broadcasting, etc. The so-called teaching recording and broadcasting system integrates the recording and broadcasting system with teaching. Specifically, a camera is installed in the classroom, and the signals of excellent courses and important meetings are collected from multiple directions through the camera and recorded into the computer hard disk. Students or teachers can use it from View video files from different camera angles.
传统的教学录播系统需要大量设备，主要包括跟踪主机、全场景调音台、网络直播服务器、录播工作站、视频编码器、音频编码器、视频解码器、音频解码器等，集成化程度较低，讲台上的连接线也非常复杂混乱。The traditional teaching recording and broadcasting system requires a lot of equipment, mainly including tracking host, full-scene mixer, webcast server, recording and broadcasting workstation, video encoder, audio encoder, video decoder, audio decoder, etc. Low, the connecting wires on the podium are also very complicated and confusing.
因此，在教学录播领域中，提供一种智能化且集成化的教学录播系统，以弥补原录播系统的不足，成为越来越重要的研究热点。Therefore, in the field of teaching recording and broadcasting, providing an intelligent and integrated teaching recording and broadcasting system to make up for the shortcomings of the original recording and broadcasting system has become an increasingly important research focus.
实用新型内容Utility model content
本实用新型实施例的目的在于提供一种智能教学录播系统，以实现教学录播系统的智能化且集成化。具体技术方案如下：The purpose of the embodiment of the utility model is to provide an intelligent teaching recording and broadcasting system, so as to realize the intelligence and integration of the teaching recording and broadcasting system. The specific technical scheme is as follows:
本实用新型提供了一种智能教学录播系统，包括：The utility model provides an intelligent teaching recording and broadcasting system, comprising:
集成有检测讲师位置的功能的第一摄像头；集成有检测学生位置的功能的第二摄像头；集成有对讲师进行视频跟踪采集的功能的第三摄像头；集成有对学生进行视频跟踪采集的功能的第四摄像头；至少采集录播现场的声音的音频处理系统；至少集成有控制播放画面切换的功能和对所接收到的音频和/或视频内容进行录制的功能的录播一体机；至少控制所述录播一体机工作的智能操控设备；交换机；The first camera integrated with the function of detecting the position of the lecturer; the second camera integrated with the function of detecting the position of the students; the third camera integrated with the function of video tracking and collection of the lecturer; the function of integrating the video tracking and collection of students The fourth camera; an audio processing system that at least collects the sound of the recording and broadcasting site; an integrated recording and broadcasting machine that at least integrates the function of controlling the switching of the playing screen and recording the received audio and/or video content; at least controlling all An intelligent control device that describes the work of the recording and broadcasting all-in-one machine; a switch;
其中，所述第三摄像头和所述第四摄像头分别与所述录播一体机通信连接；所述音频处理系统通过音频线与所述录播一体机通信连接；所述第一摄像头、所述第二摄像头、所述第三摄像头、所述第四摄像头、所述智能操控设备、所述录播一体机分别通过IP网络与所述交换机通信连接。Wherein, the third camera and the fourth camera are respectively connected to the integrated recording and broadcasting machine; the audio processing system is connected to the integrated recording and broadcasting through an audio cable; the first camera, the The second camera, the third camera, the fourth camera, the intelligent control device, and the integrated recording and broadcasting machine are respectively connected to the switch through an IP network.
可选的，本实用新型所提供的一种智能教学录播系统，还包括：Optionally, an intelligent teaching recording and broadcasting system provided by the utility model also includes:
播放讲师的讲义内容的至少一个多媒体教学终端；中央控制设备；At least one multimedia teaching terminal for playing lecturer's lecture content; central control device;
其中，所述中央控制设备通过IP网络与所述交换机通信连接并通过视频线与所述录播一体机通信连接，所述至少一个多媒体教学终端通过视频线与所述中央控制设备通信连接；Wherein, the central control device communicates with the switch through an IP network and communicates with the recording and broadcasting machine through a video line, and the at least one multimedia teaching terminal communicates with the central control device through a video line;
所述智能操控设备还通过所述中央控制设备对所述至少一个多媒体教学终端进行控制。The intelligent control device also controls the at least one multimedia teaching terminal through the central control device.
可选的，本实用新型所提供的一种智能教学录播系统，还包括：Optionally, an intelligent teaching recording and broadcasting system provided by the utility model also includes:
集成有检测教学板书的功能的第五摄像头、集成有对教学板书进行视频跟踪采集的功能的第六摄像头；The fifth camera integrated with the function of detecting teaching blackboard writing, and the sixth camera integrated with the function of video tracking and collection of teaching blackboard writing;
其中，所述第五摄像头和所述第六摄像头分别通过IP网络与所述交换机通信连接。Wherein, the fifth camera and the sixth camera are communicatively connected to the switch through an IP network respectively.
可选的，本实用新型所提供的一种智能教学录播系统，还包括：Optionally, an intelligent teaching recording and broadcasting system provided by the utility model also includes:
集成有对讲师执行全景视频采集的功能的第七摄像头、集成有对学生执行全景视频采集的功能的第八摄像头；The seventh camera integrated with the function of panoramic video collection for lecturers, and the eighth camera integrated with the function of panoramic video collection for students;
其中，所述第七摄像头和所述第八摄像头分别与所述录播一体机通信连接。Wherein, the seventh camera and the eighth camera are communicatively connected with the recorder and broadcaster respectively.
可选的，所述第三摄像头和所述第四摄像头分别通过数字串行接口SDI线与所述录播一体机通信连接。Optionally, the third camera and the fourth camera are communicatively connected to the all-in-one recording and broadcasting machine through digital serial interface SDI cables.
可选的，所述第三摄像头和所述第四摄像头分别通过无线网络与所述录播一体机通信连接。Optionally, the third camera and the fourth camera are communicatively connected to the all-in-one recording and broadcasting machine through a wireless network.
可选的，所述第三摄像头和所述第四摄像头均为球机摄像头。Optionally, both the third camera and the fourth camera are dome cameras.
可选的，所述第三摄像头、所述第四摄像头和所述第六摄像头均为球机摄像头。Optionally, the third camera, the fourth camera and the sixth camera are all dome cameras.
可选的，所述交换机为千兆交换机。Optionally, the switch is a gigabit switch.
本实用新型实施例所提供的智能教学录播系统包括：四个摄像头、智能操控设备、音频处理系统、录播一体机和交换机；并且，第一摄像头集成有检测讲师位置的功能，第二摄像头集成有检测学生位置的功能，第三摄像头集成有对讲师进行视频跟踪采集的功能，第三摄像头集成有对学生进行视频跟踪采集的功能，录播一体机中至少集成有控制播放画面切换的功能和对所接收到的音频和/或视频内容进行录制的功能。可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。The intelligent teaching recording and broadcasting system provided by the embodiment of the utility model includes: four cameras, intelligent control equipment, an audio processing system, a recording and broadcasting integrated machine and a switch; It is integrated with the function of detecting the position of students, the third camera is integrated with the function of video tracking and collection of the lecturer, the third camera is integrated with the function of video tracking and collection of students, and the integrated recording and broadcasting machine is at least integrated with the function of controlling the switching of playing screens and the ability to record received audio and/or video content. It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本实用新型实施例所提供的一种智能教学录播系统的结构示意图；Fig. 1 is the structural representation of a kind of intelligent teaching recording and broadcasting system provided by the utility model embodiment;
图2为本实用新型实施例所提供的一种智能教学录播系统的另一结构示意图；Fig. 2 is another schematic structural diagram of an intelligent teaching recording and broadcasting system provided by the embodiment of the present invention;
图3为本实用新型实施例所提供的一种智能教学录播系统的另一结构示意图；Fig. 3 is another structural schematic diagram of a kind of intelligent teaching recording and broadcasting system provided by the utility model embodiment;
图4为本实用新型实施例所提供的一种智能教学录播系统的另一结构示意图；Fig. 4 is another schematic structural diagram of an intelligent teaching recording and broadcasting system provided by an embodiment of the present invention;
图5为本实用新型实施例所提供的一种智能教学录播系统的另一结构示意图。Fig. 5 is another structural schematic diagram of an intelligent teaching recording and broadcasting system provided by an embodiment of the present invention.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
为了实现教学录播系统的智能化且集成化，本实用新型提供了智能教学录播系统。In order to realize the intelligence and integration of the teaching recording and broadcasting system, the utility model provides an intelligent teaching recording and broadcasting system.
如图1所示，本实用新型所提供的一种智能教学录播系统，可以包括：As shown in Figure 1, a kind of intelligent teaching recording and broadcasting system provided by the utility model can include:
集成有检测讲师位置的功能的第一摄像头110；集成有检测学生位置的功能的第二摄像头120；集成有对讲师进行视频跟踪采集的功能的第三摄像头130；集成有对学生进行视频跟踪采集的功能的第四摄像头140；至少采集录播现场的声音的音频处理系统160；至少集成有控制播放画面切换的功能和对所接收到的音频和/或视频内容进行录制的功能的录播一体机170；至少控制所述录播一体机170工作的智能操控设备150；交换机180；The first camera 110 integrated with the function of detecting the position of the lecturer; the second camera 120 integrated with the function of detecting the position of the student; the third camera 130 integrated with the function of video tracking and collection of the lecturer; integrated with the function of video tracking and collection of the student function of the fourth camera 140; at least the audio processing system 160 that collects the sound of the recording and broadcasting scene; at least the integrated recording and broadcasting integrated with the function of controlling the switching of the playback screen and the function of recording the received audio and/or video content machine 170; an intelligent control device 150 that at least controls the work of the integrated recording and broadcasting machine 170; a switch 180;
其中，所述第三摄像头130和所述第四摄像头140分别与所述录播一体机170通信连接；所述音频处理系统160通过音频线与所述录播一体机170通信连接；所述第一摄像头110、所述第二摄像头120、所述第三摄像头130、所述第四摄像头140、所述智能操控设备150、所述录播一体机170分别通过IP(InternetProtocol，网络之间互连的协议)网络与所述交换机180通信连接。Wherein, the third camera 130 and the fourth camera 140 are respectively communicatively connected with the recording and broadcasting machine 170; the audio processing system 160 is communicatively connecting with the recording and broadcasting machine 170 through an audio cable; A camera 110, the second camera 120, the third camera 130, the fourth camera 140, the intelligent control device 150, and the integrated recording and broadcasting machine 170 are interconnected via IP (Internet Protocol, network) respectively. protocol) network is communicatively connected to the switch 180.
需要强的是，图1所示的所述第三摄像头130和所述第四摄像头140与所述录播一体机170之间的连线仅仅用于表明存在通信连接关系，并不代表实体连线。在实际应用中，所述第三摄像头130和所述第四摄像头140分别与所述录播一体机170通信连接的具体实现方式存在多种，举例而言，在一种实现方式中，所述第三摄像头130和所述第四摄像头140分别通过SDI(serialdigitalinterface，数字串行接口)线与所述录播一体机170通信连接，而在另一种实现方式中，所述第三摄像头130和所述第四摄像头140分别通过无线网络与所述录播一体机170通信连接。另外，在实际应用中，所述第一摄像头110、所述第二摄像头120、所述第三摄像头130、所述第四摄像头140、所述智能操控设备150、所述录播一体机170分别通过局域网Lan与所述交换机180通信连接，当然并不局限于此，例如，在某些情况下的广域网，等等。What needs to be emphasized is that the connection between the third camera 130 and the fourth camera 140 shown in FIG. Wire. In practical applications, there are many specific implementation ways in which the third camera 130 and the fourth camera 140 are respectively connected to the recording and broadcasting machine 170 by communication. For example, in one implementation, the The third camera 130 and the fourth camera 140 are respectively connected to the recording and broadcasting machine 170 through SDI (serialdigitalinterface, digital serial interface) lines, and in another implementation, the third camera 130 and The fourth camera 140 communicates with the all-in-one recording and broadcasting machine 170 through a wireless network. In addition, in practical applications, the first camera 110, the second camera 120, the third camera 130, the fourth camera 140, the intelligent control device 150, and the integrated recording and broadcasting machine 170 are respectively The communication connection with the switch 180 is through a local area network Lan, of course it is not limited thereto, for example, a wide area network in some cases, and so on.
可以理解的是，所述录播一体机170在对教学过程录制时，可以同时实现网络直播，当然，在对教学过程录制完成后，可以接受用户对所录制教学内容的点播，以此全面体现出所述录播一体机170的录制和播放功能。另外，所述录播一体机170基于嵌入式架构，集成编码器、导播、录制、混音等功能，集成化智能化程度高。It can be understood that the all-in-one recording and broadcasting machine 170 can realize live broadcasting on the Internet at the same time when recording the teaching process. Of course, after the recording of the teaching process is completed, it can accept the user's demand for the recorded teaching content, so as to fully reflect The recording and playback functions of the all-in-one recording and broadcasting machine 170 are displayed. In addition, the all-in-one recording and broadcasting machine 170 is based on an embedded architecture and integrates functions such as encoder, broadcast guide, recording, and audio mixing, and has a high degree of integration and intelligence.
其中，所述第一摄像头110和所述第三摄像头130可以对准讲师且能够采集到关于讲师的全景，具体的，在实际应用中，所述第一摄像头110可以位于讲师讲台上方，所述第三摄像头130可以位于录播现场的正后方，从而保证能够采集到关于讲师的全景；而所述第二摄像头120和所述第四摄像头140可以对准学生且能够采集到关于学生的全景，具体的，在实际应用中，所述第二摄像头120可以位于录播现场的左前方或右前方，所述第四摄像头140可以位于第二摄像头的上方，从而保证能够采集到关于学生的全景。Wherein, the first camera 110 and the third camera 130 can be aimed at the lecturer and can capture a panoramic view of the lecturer. Specifically, in practical applications, the first camera 110 can be located above the lecturer's platform, and the The third camera 130 can be positioned at the right rear of the recording and broadcasting site, so as to ensure that the panoramic view of the lecturer can be collected; and the second camera 120 and the fourth camera 140 can be aimed at the students and can collect a panoramic view of the students, Specifically, in practical applications, the second camera 120 may be located at the left front or right front of the recording and broadcasting site, and the fourth camera 140 may be located above the second camera, so as to ensure that a panoramic view of the students can be collected.
其中，所述音频处理系统160可以为话筒、吊麦或无线麦等采集录制现场声音的器件；当然，为了能够对所采集的声音优化处理，该音频处理系统还可以为话筒、吊麦或无线麦等采集录制现场声音的器件以及集成有功放功能的数字音频处理器的结合，这也是合理的。另外，所述第三摄像头130和所述第四摄像头140均可以为球机摄像头，当然，还可以采用其他能够实现视频跟踪采集的摄像头，这都是合理的。其中，所述交换机180可以为千兆交换机，当然可以根据实际应用需求，选择其他带宽的的交换机，并且，所述交换机180可以位于录播现场，例如：位于作为录播现场的教室的讲台下，当然，所述交换机180并不局限于录播现场，例如：在某些应用场景下，交换机180也可以位于录播现场以外的区域，这也是合理的。而所述智能操控设备150可以为遥控器形态或平板电脑形态的手持设备，以方便用户通过该智能操控设备150来对所述录播一体机170进行操控操作，另外，所述智能操控设备150可以设置有用于操控所述录播一体机170的物理按键或虚拟按键，这都是合理的；当然，所述智能遥控设备150可以为安装有操控软件的智能手机或智能电脑等，其中，通过所述操控软件能够实现对所述录播一体机170的操控。需要说明的是，所述智能操控设备150至少可以控制录播一体机170执行如下操作：开始录制、暂停录制、停止录制、屏蔽访问、课程视频下载等，另外，通过所述智能操控设备150可以实时查看所述录播一体机170当前所录制的课程画面。Wherein, the audio processing system 160 can be a device for collecting and recording live sound such as a microphone, a hanging microphone or a wireless microphone; of course, in order to optimize the processing of the collected sound, the audio processing system can also be a microphone, a hanging microphone or a wireless It is also reasonable to combine a device such as a microphone for collecting and recording live sound and a digital audio processor integrated with a power amplifier function. In addition, both the third camera 130 and the fourth camera 140 can be dome cameras, and of course, other cameras capable of video tracking and collection can also be used, which is reasonable. Wherein, the switch 180 can be a Gigabit switch, of course, according to actual application requirements, switches of other bandwidths can be selected, and the switch 180 can be located at the recording and broadcasting site, for example: under the podium of a classroom as the recording and broadcasting site Of course, the switch 180 is not limited to the recording and broadcasting site. For example, in some application scenarios, the switch 180 may also be located in an area other than the recording and broadcasting site, which is also reasonable. The intelligent control device 150 can be a handheld device in the form of a remote control or a tablet computer, so that users can control and operate the integrated recording and broadcasting machine 170 through the intelligent control device 150. In addition, the intelligent control device 150 It is reasonable to be provided with physical buttons or virtual buttons for controlling the all-in-one recording and broadcasting machine 170; of course, the smart remote control device 150 can be a smart phone or a smart computer with control software installed, wherein, through The control software can control the all-in-one recording and broadcasting machine 170 . It should be noted that the intelligent control device 150 can at least control the all-in-one recording and broadcasting machine 170 to perform the following operations: start recording, pause recording, stop recording, block access, download course videos, etc. In addition, the intelligent control device 150 can View the course picture currently recorded by the all-in-one recording and broadcasting machine 170 in real time.
并且，所述第一摄像头110所集成的检测讲师位置的功能具体为：通过所采集的各帧图像检测讲师是否已进入预定区域内，并在检测到已进入预定区域内时通知所述第三摄像头130对讲师进行视频跟踪采集，而在检测到离开预定区域内时，通知所述第三摄像头130取消对讲师进行视频跟踪采集，进一步可以理解的是，该检测讲师位置的功能可以通过现有的图像识别算法来实现或基于现有图像识别算法所自行编写的图像识别算法来实现；而所述第二摄像头120所集成的检测学生位置的功能具体为：通过所采集的各帧图像检测学生是否起立，并在检测到起立时通知所述第四摄像头140对学生进行视频跟踪录制采集并通知所述录播一体机170将导播画面切换至所述第四摄像头140所采集的视频画面，在检测到坐下时通知所述第四摄像头140取消对学生的视频跟踪采集并通知所述录播一体机170将导播画面切换至之前的默认的视频画面，进一步可以理解的是，该检测学生位置的功能可以通过现有的图像识别算法来实现或基于现有图像识别算法所自行编写的图像识别算法来实现；所述第三摄像头130所集成有对讲师进行视频跟踪采集的功能具体为：在所述第一摄像头110通知所述第三摄像头130对讲师进行视频跟踪采集时，对讲师进行视频跟踪采集，进一步可以理解的是，对讲师进行视频跟踪采集的功能可以通过现有的跟踪采集算法来实现或基于现有的跟踪采集算法所自行编写的跟踪采集算法来实现；所述第四摄像头140所集成的对学生进行视频跟踪采集的功能具体为：在所述第二摄像头120通知所述第四摄像头140对学生进行视频跟踪采集时，对学生进行视频跟踪采集，进一步可以理解的是，对学生进行视频跟踪采集的功能可以通过现有的跟踪采集算法来实现或基于现有的跟踪采集算法所自行编写的跟踪采集算法来实现。并且，本实施例中，所述第三摄像头130未对讲师进行视频跟踪采集时可以采集关于讲师的全景内容，而所述第四摄像头140未对学生进行视频跟踪采集时可以采集关于学生的全景内容，当然并不局限于此。Moreover, the function of detecting the position of the lecturer integrated by the first camera 110 is specifically: detecting whether the lecturer has entered the predetermined area through each frame image collected, and notifying the third party when it is detected that the lecturer has entered the predetermined area. The camera 130 performs video tracking and collection on the lecturer, and when it is detected that it leaves the predetermined area, it notifies the third camera 130 to cancel the video tracking and collection of the lecturer. or an image recognition algorithm written by itself based on an existing image recognition algorithm; and the function of detecting the student's position integrated by the second camera 120 is specifically: detecting the student's position through each frame of images collected Whether to stand up, and notify the fourth camera 140 to carry out video tracking, recording and collection for students when standing up, and notify the recording and broadcasting all-in-one machine 170 to switch the guide screen to the video picture collected by the fourth camera 140. When it is detected that sitting down, notify the fourth camera 140 to cancel the video tracking and collection of the students and notify the recording and broadcasting machine 170 to switch the guide screen to the previous default video screen. It can be further understood that the detection of the student's position The function can be realized through the existing image recognition algorithm or based on the image recognition algorithm written by the existing image recognition algorithm; the third camera 130 is integrated with the function of video tracking and collection of the lecturer, specifically: The first camera 110 notifies the third camera 130 to perform video tracking and collection on the lecturer when the third camera 130 performs video tracking and collection on the lecturer. or based on an existing tracking acquisition algorithm written by itself; the integrated function of the fourth camera 140 for video tracking and acquisition of students is: the second camera 120 notifies the When the fourth camera 140 performs video tracking and collection on students, it can carry out video tracking and collection on students. It is further understandable that the function of video tracking and collection on students can be realized by existing tracking and collection algorithms or based on existing tracking and collection The tracking acquisition algorithm written by the algorithm is realized. Moreover, in this embodiment, when the third camera 130 does not perform video tracking and collection on the lecturer, it can collect the panoramic content about the lecturer, and when the fourth camera 140 does not perform video tracking and collection on the student, it can collect the panoramic content about the student The content, of course, is not limited to this.
进一步的，所述第二摄像头120可以为双目摄像头，以通过三维方式定位一个或多个学生是否起立或坐下，其中，所述双目摄像头通过三维方式定位一个或多个学生是否起立或坐下的具体实现可以采用现有技术实现。Further, the second camera 120 may be a binocular camera to locate whether one or more students stand up or sit down in a three-dimensional manner, wherein the binocular camera locates whether one or more students stand up or sit down in a three-dimensional manner. The specific realization of sitting down can be realized by adopting the prior art.
需要说明的是，本实施例中，具有上述结构的智能教学录播系统的工作原理如下：It should be noted that, in this embodiment, the working principle of the intelligent teaching recording and broadcasting system with the above structure is as follows:
当需要对教学过程录制时，讲师通过所述智能操控设备150向所述录播一体机170发送录制状态切换指令，从而使得所述录播一体机170的工作状态切换为录制状态；When it is necessary to record the teaching process, the lecturer sends a recording state switching instruction to the recording and broadcasting all-in-one machine 170 through the intelligent control device 150, so that the working state of the recording and broadcasting all-in-one machine 170 is switched to the recording state;
在录制过程中，默认状态下，录播一体机170的导播画面(即当前画面)可以为第三摄像头130所采集的视频画面，并且，第三摄像头130根据第一摄像头110的通知来采集关于讲师的全景画面或近景画面；In the recording process, in the default state, the guide picture (ie, the current picture) of the all-in-one recording and broadcasting machine 170 can be a video picture collected by the third camera 130, and the third camera 130 collects information about Panoramic or close-up images of the lecturer;
在所述第二摄像头120检测到学生起立时，所述第二摄像头120可以向所述第四摄像头140发送第一类报警信号并向所述录播一体机170发送第二类报警信号，所述第四摄像头140在接收到所述第一类报警信号后对所述起立的学生进行跟踪采集，所述录播一体机170在接收到所述第二类报警信号后将导播画面切换到所述第四摄像头140所采集的关于起立学生的近景画面，而在所述第二摄像头120检测到学生坐下时，所述第二摄像头120可以向所述第四摄像头140发送第三类报警信号并向所述录播一体机170发送第四类报警信号，所述第四摄像头在接收到所述第三类报警信号后取消跟踪采集，所述录播一体机170在接收到所述第四类报警信号后将导播画面切换至之前的默认画面。When the second camera 120 detects that the student stands up, the second camera 120 can send a first-type alarm signal to the fourth camera 140 and send a second-type alarm signal to the recording and broadcasting integrated machine 170, so The fourth camera 140 tracks and collects the standing students after receiving the first type of alarm signal, and the recording and broadcasting all-in-one machine 170 switches the guide screen to the above-mentioned student after receiving the second type of alarm signal. When the second camera 120 detects that the student is sitting down, the second camera 120 can send a third type of alarm signal to the fourth camera 140 And send a fourth type of alarm signal to the integrated recording and broadcasting machine 170, the fourth camera cancels tracking and acquisition after receiving the third type of alarming signal, and the integrated recording and broadcasting machine 170 receives the fourth Switch the guide screen to the previous default screen after a similar alarm signal.
并且，本领域技术人员可以理解的是，所述智能操控设备150与所述录播一体机170的数据通信通过交换机180的中转，所述第一摄像头110与第三摄像头130的数据通信通过交换机180的中转，所述第二摄像头120与第四摄像头140的数据通信通过交换机的中转，等等。Moreover, those skilled in the art can understand that the data communication between the intelligent control device 150 and the all-in-one recording and broadcasting machine 170 is transferred through the switch 180, and the data communication between the first camera 110 and the third camera 130 is passed through the switch 180, the data communication between the second camera 120 and the fourth camera 140 is transferred through a switch, and so on.
本实用新型实施例所提供的智能教学录播系统包括：四个摄像头、智能操控设备、音频处理系统、录播一体机和交换机；并且，第一摄像头集成有检测讲师位置的功能，第二摄像头集成有检测学生位置的功能，第三摄像头集成有对讲师进行视频跟踪采集的功能，第三摄像头集成有对学生进行视频跟踪采集的功能，录播一体机中至少集成有控制播放画面切换的功能和对所接收到的音频和/或视频内容进行录制的功能。可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。The intelligent teaching recording and broadcasting system provided by the embodiment of the utility model includes: four cameras, intelligent control equipment, an audio processing system, a recording and broadcasting integrated machine and a switch; It is integrated with the function of detecting the position of students, the third camera is integrated with the function of video tracking and collection of the lecturer, the third camera is integrated with the function of video tracking and collection of students, and the integrated recording and broadcasting machine is at least integrated with the function of controlling the switching of playing screens and the ability to record received audio and/or video content. It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
在图1所示的智能教学录播系统的基础上，本实用新型实施例还提供了一种智能教学录播系统。如图2所示，相对于图1所示的智能教学录播系统，本实施例所提供的智能教学录播系统还可以包括：On the basis of the intelligent teaching recording and broadcasting system shown in FIG. 1 , the embodiment of the utility model also provides an intelligent teaching recording and broadcasting system. As shown in Figure 2, compared to the intelligent teaching recording and broadcasting system shown in Figure 1, the intelligent teaching recording and broadcasting system provided in this embodiment may also include:
播放讲师的讲义内容的至少一个多媒体教学终端190；中央控制设备200；At least one multimedia teaching terminal 190 for playing lecture contents of lecturers; central control device 200;
其中，所述中央控制设备200通过IP网络与所述交换机180通信连接并通过视频线与所述录播一体机170通信连接，所述至少一个多媒体教学终端190通过视频线与所述中央控制设备200通信连接；Wherein, the central control device 200 communicates with the switch 180 through an IP network and communicates with the recording and broadcasting machine 170 through a video line, and the at least one multimedia teaching terminal 190 communicates with the central control device through a video line 200 communication connections;
所述智能操控设备150还通过所述中央控制设备200对所述至少一个多媒体教学终端190进行控制。其中，该至少一个多媒体教学终端190可以包括：讲师电脑、实物展台、智能交互一体机等等。所述智能操控设备可以通过所述中央控制设备200来控制至少一个多媒体教学终端190的画面切换，另外，所述智能操控设备还可以通过所述中央控制设备200来控制整个智能教学录播系统的开关、输出音量等功能。The intelligent control device 150 also controls the at least one multimedia teaching terminal 190 through the central control device 200 . Wherein, the at least one multimedia teaching terminal 190 may include: a lecturer's computer, a physical exhibition stand, an intelligent interactive all-in-one machine, and the like. The intelligent control device can control the screen switching of at least one multimedia teaching terminal 190 through the central control device 200. In addition, the intelligent control device can also control the entire intelligent teaching recording and broadcasting system through the central control device 200. switch, output volume and other functions.
需要强调的是，如图2给出的所述第三摄像头130和所述第四摄像头140分别通过SDI线与所述录播一体机170通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，例如，第三摄像头130和第四摄像头140还可以分别通过无线网络与所述录播一体机170通信连接，等等。另外，图2给出的所述第一摄像头110、所述第二摄像头120、第三摄像头130、第四摄像头140、所述智能操控设备150、所述录播一体机170分别通过局域网lan与所述交换机180通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，实际应用中，还可以采用其他方式通信连接。It should be emphasized that the communication connection between the third camera 130 and the fourth camera 140 as shown in FIG. For the limitation of this embodiment, for example, the third camera 130 and the fourth camera 140 may also be respectively connected to the recorder 170 through a wireless network, and so on. In addition, the first camera 110, the second camera 120, the third camera 130, the fourth camera 140, the intelligent control device 150, and the integrated recording and broadcasting machine 170 shown in FIG. The communication connection of the switch 180 is only described as an exemplary connection, and should not be construed as a limitation to this embodiment. In practical applications, other communication methods may also be used for communication connection.
本实施例所提供的智能教学录播系统的工作原理，在图1所示的智能教学录播系统的工作原理的基础上，还可以包括：The working principle of the intelligent teaching recording and broadcasting system provided in this embodiment can also include:
讲师通过所述智能操控设备150向所述中央控制设备200发送终端切换指令，而所述中央控制设备200在接收到终端切换指令后，实现多媒体教学终端的画面切换；The lecturer sends a terminal switching instruction to the central control device 200 through the intelligent control device 150, and the central control device 200 realizes the screen switching of the multimedia teaching terminal after receiving the terminal switching instruction;
而所述录播一体机170通过现有的帧分析图像识别出多媒体教学终端190内的讲义内容被讲师翻页，即多媒体教学终端190内的讲义内容发生变化，自动切换导播画面，切换后的导播画面为多媒体教学终端190的近景画面。另外需要强调的是，当检测到多媒体教学终端190的近景画面停留超过预定时间，则自动切换导播画面，切换后的导播画面为原画面，即默认的关于讲师的视频画面，其中，该预定时间可以根据实际情况设定，例如可以设定为15秒，20秒等等。The all-in-one recording and broadcasting machine 170 recognizes that the lecture content in the multimedia teaching terminal 190 is turned over by the lecturer through the existing frame analysis image, that is, the lecture content in the multimedia teaching terminal 190 changes, and automatically switches the guide screen. The guide picture is a close-up picture of the multimedia teaching terminal 190 . In addition, it should be emphasized that when it is detected that the close-up picture of the multimedia teaching terminal 190 stays for more than a predetermined time, the guide picture is automatically switched, and the switched guide picture is the original picture, that is, the default video picture about the lecturer. It can be set according to the actual situation, for example, it can be set to 15 seconds, 20 seconds and so on.
可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
在图1所示的智能教学录播系统的基础上，本实用新型实施例还提供了一种智能教学录播系统。如图3所示，相对于图1所示的智能教学录播系统，本实施例所提供的智能教学录播系统还可以包括：On the basis of the intelligent teaching recording and broadcasting system shown in FIG. 1 , the embodiment of the utility model also provides an intelligent teaching recording and broadcasting system. As shown in Figure 3, compared to the intelligent teaching recording and broadcasting system shown in Figure 1, the intelligent teaching recording and broadcasting system provided in this embodiment may also include:
集成有检测教学板书的功能的第五摄像头210、集成有对教学板书进行视频跟踪采集的功能的第六摄像头220；The fifth camera 210 integrated with the function of detecting the writing on the teaching blackboard, and the sixth camera 220 integrated with the function of video tracking and collecting the writing on the teaching blackboard;
其中，所述第五摄像头210和所述第六摄像头220分别通过IP网络与所述交换机通信连接。Wherein, the fifth camera 210 and the sixth camera 220 are communicatively connected to the switch through an IP network respectively.
其中，所述第五摄像头210和所述第六摄像头220可以设置在讲台上方能够对教学板书区域的位置；进一步的，所述第六摄像头220可以为球机摄像头，当然，还可以采用其他能够实现视频跟踪采集的摄像头，这都是合理的。Wherein, the fifth camera 210 and the sixth camera 220 can be set at a position above the podium where the teaching blackboard area can be written; further, the sixth camera 220 can be a dome camera, and of course, other cameras that can It is reasonable to implement a camera for video tracking and acquisition.
需要强调的是，如图3给出的所述第三摄像头130和所述第四摄像头140分别通过SDI线与所述录播一体机170通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，例如，第三摄像头130和第四摄像头140还可以分别通过无线网络与所述录播一体机170通信连接，等等。另外，图3给出的所述第一摄像头110、所述第二摄像头120、第三摄像头130、第四摄像头140、所述智能操控设备150、所述录播一体机170、第五摄像头210、第六摄像头220分别通过局域网lan与所述交换机180通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，实际应用中，还可以采用其他方式通信连接。其中，所述第五摄像头210所集成的检测教学板书的功能具体为：通过所采集的各帧图像检测教学板书区域是否发生书写动作，即是否检测到手臂，如果检测到教学板书区域发生书写动作时，通知所述第六摄像头220对教学板书进行视频跟踪采集并通知所述录播一体机170将导播画面切换至所述第六摄像头220所采集的视频画面，而如果检测到教学板书区域停止书写动作时，通知所述第六摄像头220取消对教学板书进行视频跟踪采集并通知所述录播一体机170将导播画面切换至之前的默认画面；进一步可以理解的是，该检测教学板书的功能可以通过现有的图像识别算法来实现或基于现有图像识别算法所自行编写的图像识别算法来实现；而所述第六摄像头220所集成的对教学板书进行视频跟踪采集的功能具体为：在所述第五摄像头210通知所述第六摄像头220对讲师进行视频跟踪采集时，对教学板书进行视频跟踪采集，进一步可以理解的是，对教学板书进行视频跟踪采集的功能可以通过现有的跟踪采集算法来实现或基于现有的跟踪采集算法所自行编写的跟踪采集算法来实现。It should be emphasized that the communication connection between the third camera 130 and the fourth camera 140 shown in FIG. 3 and the recording and broadcasting machine 170 respectively through SDI lines is only an exemplary connection description, and should not constitute a For the limitation of this embodiment, for example, the third camera 130 and the fourth camera 140 may also be respectively connected to the recorder 170 through a wireless network, and so on. In addition, the first camera 110, the second camera 120, the third camera 130, the fourth camera 140, the intelligent control device 150, the recording and broadcasting machine 170, and the fifth camera 210 shown in FIG. 1. The communication connection between the sixth camera 220 and the switch 180 through the local area network lan is only used as an exemplary connection description, and should not constitute a limitation to this embodiment. In practical applications, other ways of communication connection can also be adopted. Wherein, the function of detecting the teaching blackboard writing integrated by the fifth camera 210 is specifically: detecting whether a writing action occurs in the teaching blackboard writing area through each frame image collected, that is, whether an arm is detected, and if a writing action occurs in the teaching blackboard writing area is detected , notify the sixth camera 220 to carry out video tracking and acquisition of the teaching blackboard writing and notify the recording and broadcasting all-in-one machine 170 to switch the guide screen to the video screen captured by the sixth camera 220, and if it is detected that the teaching blackboard writing area stops During the writing action, notify the sixth camera 220 to cancel the video tracking and acquisition of the teaching blackboard writing and notify the recording and broadcasting machine 170 to switch the guide screen to the previous default screen; it is further understandable that the function of detecting the teaching blackboard writing It can be realized by an existing image recognition algorithm or an image recognition algorithm written by itself based on an existing image recognition algorithm; and the integrated function of the sixth camera 220 for video tracking and collection of teaching blackboard writing is as follows: When the fifth camera 210 notifies the sixth camera 220 to track and collect the video of the lecturer, it will carry out video tracking and collection of the writing on the teaching blackboard. Acquisition algorithm to achieve or based on the existing tracking acquisition algorithm self-written tracking acquisition algorithm to achieve.
本实施例所提供的智能教学录播系统的工作原理，在图1所示的智能教学录播系统的工作原理的基础上，还可以包括：The working principle of the intelligent teaching recording and broadcasting system provided in this embodiment can also include:
在录制过程中，所述第六摄像头220可以默认录制关于教学板书区域的全景内容；During the recording process, the sixth camera 220 can record panoramic content about the teaching blackboard writing area by default;
在所述第五摄像头210检测到教学板书区域发生书写动作时，发送第五类报警信号给所述第六摄像头220以及发送第六类报警信号给所述录播一体机170，进而，所述第六摄像头220在接收到所述第五类报警信号后开始跟踪采集教学板书，所述录播一体机170在接收到所述第六类报警信号后将导播画面切换至所述第六摄像头220所采集的视频画面；在所述第五摄像头210检测到教学板书区域停止书写动作时，发送第七类报警信号给所述第六摄像头220以及发送第八类报警信号给所述录播一体机170，进而，所述第六摄像头220在接收到所述第七类报警信号后取消对教学板书的跟踪采集，所述录播一体机170在接收到所述第八类报警信号后将导播画面切换至之前的默认画面。When the fifth camera 210 detects that a writing action occurs in the teaching blackboard area, it sends a fifth type of alarm signal to the sixth camera 220 and a sixth type of alarm signal to the recording and broadcasting all-in-one machine 170, and then, the The sixth camera 220 starts to track and collect teaching blackboard writing after receiving the fifth type of alarm signal, and the recording and broadcasting all-in-one machine 170 switches the guide screen to the sixth camera 220 after receiving the sixth type of alarm signal Collected video picture; when the fifth camera 210 detects that the teaching blackboard writing area stops writing action, send the seventh type of alarm signal to the sixth camera 220 and send the eighth type of alarm signal to the recording and broadcasting all-in-one machine 170, furthermore, the sixth camera 220 cancels the tracking and collection of the teaching blackboard writing after receiving the seventh type of alarm signal, and the recording and broadcasting integrated machine 170 broadcasts the guide screen after receiving the eighth type of alarm signal Switch to the previous default screen.
并且，本领域技术人员可以理解的是，所述第五摄像头210与所述第六摄像头220、所述录播一体机170之间的数据通信需要通过所述交换机180的中转。Moreover, those skilled in the art can understand that the data communication between the fifth camera 210 and the sixth camera 220 and the all-in-one recording and broadcasting machine 170 needs to be relayed through the switch 180 .
可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
在图2所示的智能教学录播系统的基础上，本实用新型实施例还提供了一种智能教学录播系统。如图4所示，相对于图2所示的智能教学录播系统，本实施例所提供的智能教学录播系统还可以包括：On the basis of the intelligent teaching recording and broadcasting system shown in FIG. 2 , the embodiment of the utility model also provides an intelligent teaching recording and broadcasting system. As shown in Figure 4, compared to the intelligent teaching recording and broadcasting system shown in Figure 2, the intelligent teaching recording and broadcasting system provided in this embodiment may also include:
集成有检测教学板书的功能的第五摄像头210、集成有对教学板书进行视频跟踪采集的功能的第六摄像头220；The fifth camera 210 integrated with the function of detecting the writing on the teaching blackboard, and the sixth camera 220 integrated with the function of video tracking and collecting the writing on the teaching blackboard;
其中，所述第五摄像头210和所述第六摄像头220分别通过IP网络与所述交换机通信连接。Wherein, the fifth camera 210 and the sixth camera 220 are communicatively connected to the switch through an IP network respectively.
另外，图3给出的所述第一摄像头110、所述第二摄像头120、第三摄像头130、第四摄像头140、所述智能操控设备150、所述录播一体机170、第五摄像头210、第六摄像头220分别通过局域网lan与所述交换机180通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，实际应用中，还可以采用其他方式通信连接。In addition, the first camera 110, the second camera 120, the third camera 130, the fourth camera 140, the intelligent control device 150, the recording and broadcasting machine 170, and the fifth camera 210 shown in FIG. 1. The communication connection between the sixth camera 220 and the switch 180 through the local area network lan is only used as an exemplary connection description, and should not constitute a limitation to this embodiment. In practical applications, other ways of communication connection can also be adopted.
本实施例中，关于所述第五摄像头210和所述第六摄像头220工作原理以及其他描述内容可以参照上述的图3所示的智能教学录播系统中的所述第五摄像头210和所述第六摄像头220的工作原理以及其他描述内容，在此不做赘述。In this embodiment, regarding the working principles of the fifth camera 210 and the sixth camera 220 and other descriptions, please refer to the fifth camera 210 and the The working principle of the sixth camera 220 and other descriptions will not be repeated here.
可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
在图4所示的智能教学录播系统的基础上，本实用新型还提供了一种智能教学录播系统。如图5所示，相对于图4所示的智能教学录播系统，本实施例所提供的智能教学录播系统还可以包括：On the basis of the intelligent teaching recording and broadcasting system shown in Fig. 4, the utility model also provides an intelligent teaching recording and broadcasting system. As shown in Figure 5, compared to the intelligent teaching recording and broadcasting system shown in Figure 4, the intelligent teaching recording and broadcasting system provided in this embodiment may also include:
集成有对讲师执行全景视频采集的功能的第七摄像头230、集成有对学生执行全景视频采集的功能的第八摄像头240；The seventh camera 230 integrated with the function of panoramic video collection for lecturers, and the eighth camera 240 integrated with the function of panoramic video collection for students;
其中，所述第七摄像头230和所述第八摄像头240分别与所述录播一体机170通信连接。Wherein, the seventh camera 230 and the eighth camera 240 are communicatively connected with the recorder 170 respectively.
其中，如图5给出的所述第七摄像头230和所述第八摄像头240分别通过SDI线与所述录播一体机170通信连接仅仅作为示例性地连接说明，并不应该构成对本实施例的限定，例如，第七摄像头230和第八摄像头240还可以分别通过无线网络与所述录播一体机170通信连接，等等。Wherein, the seventh camera 230 and the eighth camera 240 respectively communicated with the recording and broadcasting machine 170 as shown in FIG. For example, the seventh camera 230 and the eighth camera 240 can also communicate with the recorder 170 through a wireless network, and so on.
需要说明的是，所述第七摄像头230可以设置在录播现场中能够录制关于讲师的全景内容的位置，例如：录播现场后方，而所述第八摄像头可以设置在录播现场中能够录制关于学生的全景内容的位置，例如：录播现场的左前方或右前方。由于第七摄像头230集成有对讲师执行全景视频采集的功能且所述第八摄像头240集成有对学生执行全景视频采集的功能，因此，第三摄像头130未对讲师进行视频跟踪采集时可以休眠，当然，也可以继续采集关于讲师的全景内容，而所述第四摄像头140未对学生进行视频跟踪采集时可以休眠，当然也可以采集关于学生的全景内容，这都是合理的。It should be noted that the seventh camera 230 can be set at a position where the panoramic content of the lecturer can be recorded in the recording and broadcasting site, for example: behind the recording and broadcasting site, and the eighth camera can be set in the recording and broadcasting site and can record The position of the panoramic content about the students, for example: front left or front right of the recording and broadcasting site. Because the seventh camera 230 is integrated with the function of performing panoramic video collection on the lecturer and the eighth camera 240 is integrated with the function of performing panoramic video collection on the students, therefore, the third camera 130 can sleep when the video tracking collection is not performed on the lecturer. Of course, the panoramic content about the lecturer can also be collected continuously, and the fourth camera 140 can sleep when not tracking and collecting the video of the students. Of course, it can also collect the panoramic content about the students, which is reasonable.
本实施例所提供的教学录播系统的工作原理，在图4所示的智能教学录播系统的工作原理的基础上，还可以包括：The working principle of the teaching recording and broadcasting system provided in this embodiment can also include:
在录制过程中，默认状态下，录播一体机170的导播画面可以为第七摄像头所采集的视频画面；并在第一摄像头110检测到讲师已进入预定区域内时，向所述第三摄像头130发送第九类报警信号以及向所述录播一体机170发送第十类报警信号，在所述第三摄像头130接收到所述第九类报警信号后跟踪采集所述讲师的视频画面，所述录播一体机170在接收到所述第十类报警信号后将导播画面切换至所述第三摄像头130的视频画面；而如果第一摄像头110检测到讲师已离开预定区域内时，向所述第三摄像头130发送第十一类报警信号以及向所述录播一体机170发送第十二类报警信号，在所述第三摄像头130接收到所述第十一类报警信号后取消跟踪所述讲师，所述录播一体机170在接收到所述第十二类报警信号后将导播画面切换至之前的默认画面。In the recording process, in the default state, the guide picture of the recording and broadcasting machine 170 can be the video picture collected by the seventh camera; 130 sends the ninth type of alarm signal and sends the tenth type of alarm signal to the recording and broadcasting all-in-one machine 170, and after the third camera 130 receives the ninth type of alarm signal, it tracks and collects the video picture of the lecturer, so The all-in-one recording and broadcasting machine 170 switches the guide screen to the video screen of the third camera 130 after receiving the tenth type of alarm signal; and if the first camera 110 detects that the lecturer has left the predetermined area, the The third camera 130 sends the eleventh type of alarm signal and sends the twelfth type of alarm signal to the recording and broadcasting machine 170, and the tracking is canceled after the third camera 130 receives the eleventh type of alarm signal Tell the lecturer, the all-in-one recording and broadcasting machine 170 switches the director screen to the previous default screen after receiving the twelfth type of alarm signal.
并且，本领域技术人员可以理解的是，所述第一摄像头110与所述第三摄像头130、所述录播一体机170之间的数据通信需要通过所述交换机180的中转。Moreover, those skilled in the art can understand that the data communication between the first camera 110 and the third camera 130 and the all-in-one recording and broadcasting machine 170 needs to be relayed through the switch 180 .
可见，本实用新型所提供的智能教学录播系统，实现了教学录播系统的智能化且集成化。It can be seen that the intelligent teaching recording and broadcasting system provided by the utility model realizes the intelligence and integration of the teaching recording and broadcasting system.
当然，在上述的图1所示的智能教学录播系统、图2所示的智能教学录播系统和图3所示的智能教学录播系统中的任意一个系统的基础上，均可以增设集成有对讲师执行全景视频采集的功能的第七摄像头230、集成有对学生执行全景视频采集的功能的第八摄像头240。Of course, on the basis of any one of the above-mentioned intelligent teaching recording and broadcasting system shown in Figure 1, the intelligent teaching recording and broadcasting system shown in Figure 2, and the intelligent teaching recording and broadcasting system shown in Figure 3, an integrated system can be added. There is a seventh camera 230 capable of collecting panoramic video for lecturers, and an eighth camera 240 integrated with the function of collecting panoramic video for students.
另外，需要说明的是，基于图5所述的智能教学录播系统，在实际应用中，可以基于如下导播策略，当然并不局限于此：In addition, it should be noted that based on the intelligent teaching recording and broadcasting system described in Figure 5, in practical applications, the following directing strategies can be used, but of course it is not limited to this:
一、关于讲师：1. About the lecturer:
(1)当讲师在讲台平滑移动，导播画面为讲师近景画面(近景画面即为跟踪画面)；(1) When the lecturer moves smoothly on the podium, the guide screen is the close-up picture of the lecturer (the close-up picture is the tracking picture);
(2)当讲师快速移动，导播画面切换为讲师的全景画面；(2) When the lecturer moves quickly, the guide screen switches to the lecturer's panoramic screen;
(3)讲师身高自适应讲师近景画面，垂直方向上下移动；(3) The height of the lecturer adapts to the close-up picture of the lecturer, and moves up and down in the vertical direction;
(4)当讲师切换PPT，导播画面切换为PPT画面，如无其他信号，停留默认时间；(4) When the lecturer switches the PPT, the guide screen will switch to the PPT screen. If there is no other signal, it will stay for the default time;
(5)当讲师走下讲台，走到学生区域，导播画面切换依次为讲师近景-讲师全景-学生全景；(5) When the lecturer walks off the podium and walks to the student area, the screen switching of the guide will be the close-up view of the lecturer-the panoramic view of the lecturer-the panoramic view of the students;
(6)当讲师由学生区域走回讲台，导播画面切换依次为学生全景-讲师全景-讲师近景；(6) When the lecturer walks back to the podium from the student area, the screen of the guide will be switched in order of students' panorama-lecturer's panorama-lecturer's close-up;
(7)当讲师书写板书，导播画面切换为板书画面，当结束板书书写，导播画面切换为讲师近景画面；(7) When the lecturer is writing on the blackboard, the broadcasting screen will switch to the blackboard writing screen;
二、关于学生：2. About students:
(1)讲师近景时，一个学生起立(导播画面切换依次为：讲师近景-学生全景-学生近景(讲师近景和学生近景组合效果))，然后坐下(导播画面切换依次为：学生近景-学生全景-讲师近景)(1) When the lecturer is close-up, a student stands up (the order of the director screen switching is: lecturer close-up-student panorama-student close-up (the combined effect of lecturer close-up and student close-up)), and then sits down (the director screen switching order is: student close-up-student panorama - lecturer close-up)
(2)讲师近景时，二个及以上学生同时起立(导播画面切换依次为：讲师近景-学生全景)，然后同时全坐下(导播画面切换依次为：学生全景-讲师近景)(2) When the lecturer is close-up, two or more students stand up at the same time (the order of the director screen switching is: lecturer close-up-student panorama), and then all sit down at the same time (the director screen switching order is: student panorama-lecturer close-up)
(3)讲师近景时，二个学生同时起立(导播画面切换依次为：讲师近景-学生全景)，然后一个学生坐下(导播画面切换依次为：学生全景-学生近景)然后另一个学生坐下(导播画面切换依次为：学生近景-学生全景-讲师近景)(3) When the lecturer is close-up, two students stand up at the same time (the switching sequence of the director screen is: lecturer close-up-student panorama), and then one student sits down (the director screen switching sequence is: student panorama-student close-up), and the other student sits down (The switching order of the director screen is: close-up view of students - panoramic view of students - close-up view of lecturer)
(4)讲师近景时，一个学生起立(导播画面切换依次为：讲师近景-学生全景-学生近景)，停留一段时间(>5s)，然后另一个学生起立(导播画面切换依次为：学生近景-学生全景)，然后依次坐下(导播画面切换依次为：学生全景-学生近景-学生全景-讲师近景)(4) When the lecturer is close-up, one student stands up (the order of the director screen switching is: lecturer close-up-student panorama-student close-up), stays for a while (>5s), and then another student stands up (the director screen switching order is: student close-up- Panorama of students), and then sit down in turn (the switch of the director screen is: panorama of students-close view of students-panoramic view of students-close view of lecturer)
(5)讲师近景时，一个学生起立(导播画面切换依次为：讲师近景-学生全景-学生近景)，坐下(导播画面切换依次为：学生近景-学生全景)，然后马上另一个学生起立(导播画面切换依次为：学生全景-学生近景)，坐下(导播画面切换依次为：学生近景-学生全景-讲师近景)(5) When the lecturer is close-up, one student stands up (the order of the director screen switching is: lecturer close-up-student panorama-student close-up), and sits down (the director screen switching order is: student close-up-student panorama), and then immediately another student stands up ( The order of the director screen switching is: student panorama-student close-up), sit down (the director screen switching order is: student close-up-student panorama-lecturer close-up)
(6)讲师近景时，一个学生起立(导播画面切换依次为：讲师近景-学生全景)，后离开位置走到讲台(导播画面切换依次为：学生全景-讲师全景)，书写板书(导播画面切换依次为：讲师全景-板书画面)，板书结束，如学生一直在讲台上，则讲台上有多人，则切换为讲师全景画面，然后学生走下讲台(导播画面切换依次为：讲师全景-学生全景)，坐下(导播画面切换依次为：学生全景-讲师近景)。(6) When the lecturer is in close view, a student stands up (the switch of the director screen is: lecturer close view-student panorama), then leaves the position and walks to the podium (the guide screen switch is in order: student panorama-lecturer panorama), and writes on the blackboard (the director screen switches The order is: lecturer panorama-blackboard writing screen), the blackboard writing is over, if the students are on the podium all the time, there are many people on the podium, then switch to the lecturer panorama screen, and then the students walk off the podium (the switching order of the director screen is: lecturer panorama-students panorama), sit down (the switch of the director screen is: panorama of students - close-up of lecturer).
以上所述仅为本实用新型的较佳实施例而已，并非用于限定本实用新型的保护范围。凡在本实用新型的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本实用新型的保护范围内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model are included in the protection scope of the present utility model.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738829.1UCN205016086U (en) | 2015-09-22 | 2015-09-22 | Intelligent tutoring recorded broadcast system |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738829.1UCN205016086U (en) | 2015-09-22 | 2015-09-22 | Intelligent tutoring recorded broadcast system |
| Publication Number | Publication Date |
|---|---|
| CN205016086Utrue CN205016086U (en) | 2016-02-03 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520738829.1UExpired - LifetimeCN205016086U (en) | 2015-09-22 | 2015-09-22 | Intelligent tutoring recorded broadcast system |
| Country | Link |
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| CN (1) | CN205016086U (en) |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | Granted publication date:20160203 |