CN204810417U - Digital intelligent teaching recorded broadcast system - Google Patents

Abstract

The utility model discloses a digital intelligent teaching recorded broadcast system, including intelligent recorded broadcast system, camera, audio acquisition device, audio processing system, the audio acquisition device passes through audio processing system and intelligent recorded broadcast headtotail, and camera rear end connection diagram is like positioning system, and image positioning system connects intelligent recorded broadcast system, the the control unit control action of camera rotation in by image positioning system, audio processing system in be equipped with audio frequency AD converter, noise filter circuit and DSP chip. The utility model overcomes prior art's is not enough, rationally distributed, falls through setting up the noise filtering of advancing in the signal after audio frequency AD converter is changed to the line noise filter circuit the collection audio frequency, obtains accurate voice signal, simultaneously image positioning system fixes a position the position of needs collection, then through the position of slewing mechanism with camera drive to required collection, has realized the function of the comprehensive and collection directly perceived of image.

Description

Digital intelligent teaching writing/playing system

Technical field

The utility model relates to Digital Teaching information collecting device technical field, specifically belongs to digital intelligent teaching writing/playing system.

Background technology

Along with popularizing of multimedia application, the fast development of audio frequency and video technology, the educational thought of people and idea are changed, teaching means also changes simultaneously, utilize Computer Multimedia Technology, make recording and broadcasting system from specialized broadcasting and TV field progressively to various fields development, and be widely used in very soon in industry-by-industry, as fields such as educational training, large-scale academic report, audio/video conference, multimedia gives lessons.The portability of recording and broadcasting system and practicality are by users are approved.Utilizing multimedia teaching, by the image of teacher by transmission of video, is the development trend of new teaching.Existing recording and broadcasting system has realized the functions such as intelligent instructor in broadcasting, course recording, class live-broadcast program request, teaching-course manager, the remote control management.Wherein, intelligence instructor in broadcasting is that switching between responsible multi-channel video and auto-returned control, teacher only needs to trigger remote control induction installation in good time, instructor in broadcasting's machine is according to the switching between multiple signals and auto-returned control strategy, send rapidly corresponding instruction, corresponding video caught by the camera ball machine of commander's correspondence; Course is recorded and is referred in the process of giving lessons the Real-time Collection of the teaching material information such as teacher, student, multimedia courseware (dynamic content such as video image, flash file), Computer for teachers operating process, video presenter, DVD image and recording; Class live-broadcast program request refers to by real-time performance network flow-medium direct broadcast function, the user of viewing only need log in recording and broadcasting system by IE mode, programme televised live can be watched, simultaneously, the file recorded generates program request list in background management system, terminal use through authorizing is browsed by IE and signs in system platform, just can recall corresponding video segment as required, thus realizes some multicast function; Teaching-course manager refers to the streaming media courseware that courseware real-time recording system generates automatically, can upload to and carry out program request management and issue based on Microsoft WindowsMediaServer streaming media server, can with all kinds of management learning platform seamless combination, realize the organization and administration of course classification, courseware interpolation, deletion, edition function, can classify according to multistage catalogue; The remote control management refers to that background management system uses the general browsers such as IE just can realize the functions such as live management, program request management, user management, resource classification, user authentication, priority assignation.But on existing teaching recorded broadcast market, the image that video camera gathers, mainly preset positions of camera sets collection point in advance, is controlled by the picture of intelligent director system to camera acquisition.Arrange in advance because location point belongs to, so the image gathered cannot be comprehensively directly perceived.

Utility model content

For the problems referred to above, the purpose of this utility model there is provided digital intelligent teaching writing/playing system, overcome the deficiencies in the prior art, rationally distributed, by arrange to gather audio frequency carry out noise filter circuit by audio A/D converter change after signal in noise filtering fall, obtain accurate voice signal; Simultaneously image location system positions needing the position gathered, then by rotating mechanism by camera driver to the position of required collection, achieve image comprehensively and the function gathered directly perceived.

The technical solution adopted in the utility model is as follows:

Digital intelligent teaching writing/playing system, comprise intelligent recording and broadcasting system, video camera, audio collecting device, audio frequency processing system, described audio collecting device is connected with intelligent recording and broadcasting system by audio frequency processing system, described video camera rear end connects image location system, image location system connects intelligent recording and broadcasting system, and described video camera comprises the wide-angle lens that a panoramic high-definition picture realizing dais gathers; Wide-angle lens is connected and fixed by horizontal and vertical 360 degree of rotating mechanisms rotated, and the rear of wide-angle lens is provided with imageing sensor optical imagery being converted to electronic signal; Imageing sensor is arranged in image location system, be provided with figure acquisition module in described image location system, pattern process module, image analysis module be connected successively with control unit, described rotating mechanism is used for driving according to the position of image location system, described video camera rotates by control unit control action, is provided with audio A/D converter, noise filter circuit and dsp chip in described audio frequency processing system.

Described rotating mechanism comprises fixed head, fixed block and rotating turret, video camera is hingedly coupled on rotating turret, described video camera is spheric probe, be provided with rotation pusher above it, rotate pusher rotation and be arranged on rotating turret, rotating turret rear end is fixedly connected with rotation axis, rotation axis is fixed in fixed block, rotation axis upper end is provided with driven wheel, and driven wheel engages with the driving gear of drive motors, and fixed block is fixed on fixed head.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The utility model by arrange to gather audio frequency carry out noise filter circuit by audio A/D converter change after signal in noise filtering fall, obtain accurate voice signal; Simultaneously image location system positions needing the position gathered, then by rotating mechanism by camera driver to the position of required collection, achieve image comprehensively and the function gathered directly perceived; Image location system is provided with figure acquisition module, pattern process module, image analysis module and control unit four module, not only inherits existing camera review output function, adds image analysis function simultaneously, is used for following the tracks of teacher movement situation; Compared with traditional teacher's tracking system, gunlock directly can be accessed PC equipment by user, without the need to increasing tracing machine equipment.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model system layout;

Fig. 2 is the utility model video camera rotating mechanism structural representation.

Embodiment

See accompanying drawing, digital intelligent teaching writing/playing system, comprise intelligent recording and broadcasting system, video camera, audio collecting device, audio frequency processing system, described audio collecting device is connected with intelligent recording and broadcasting system by audio frequency processing system, described video camera rear end connects image location system, image location system connects intelligent recording and broadcasting system, and described video camera comprises the wide-angle lens that a panoramic high-definition picture realizing dais gathers, wide-angle lens is connected and fixed by horizontal and vertical 360 degree of rotating mechanisms 1 rotated, and the rear of wide-angle lens is provided with imageing sensor optical imagery being converted to electronic signal, imageing sensor is arranged in image location system, figure acquisition module is provided with in described image location system, pattern process module, image analysis module is connected successively with control unit, described rotating mechanism 1 drives for the position according to image location system, described rotating mechanism comprises fixed head 101, fixed block 102 and rotating turret 103, video camera is hingedly coupled on rotating turret 103, described video camera is spheric probe 104, be provided with above it and rotate pusher 105, rotating pusher 105 rotation is arranged on rotating turret 103, rotating turret 103 rear end is fixedly connected with rotation axis 106, rotation axis 106 is fixed in fixed block 102, rotation axis 106 upper end is provided with driven wheel 1061, driven wheel 1061 engages with the driving gear of drive motors 107, fixed block 102 is fixed on fixed head 101, described video camera rotates by control unit control action, by rotating mechanism by camera driver to the position of required collection, achieve the function that image gathers comprehensively and intuitively, image location system is provided with figure acquisition module, pattern process module, image analysis module and control unit four module, not only inherits existing camera review output function, adds image analysis function simultaneously, is used for following the tracks of teacher movement situation, compared with traditional teacher's tracking system, gunlock directly can be accessed PC equipment by user, without the need to increasing tracing machine equipment.Audio A/D converter, noise filter circuit and dsp chip is provided with in described audio frequency processing system; Noise filtering in signal after audio A/D converter conversion falls by noise filter circuit, obtains accurate voice signal.

More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (2)

1. digital intelligent teaching writing/playing system, comprise intelligent recording and broadcasting system, video camera, audio collecting device, audio frequency processing system, described audio collecting device is connected with intelligent recording and broadcasting system by audio frequency processing system, it is characterized in that: described video camera rear end connects image location system, image location system connects intelligent recording and broadcasting system, and described video camera comprises the wide-angle lens that a panoramic high-definition picture realizing dais gathers; Wide-angle lens is connected and fixed by horizontal and vertical 360 degree of rotating mechanisms rotated, and the rear of wide-angle lens is provided with imageing sensor optical imagery being converted to electronic signal; Imageing sensor is arranged in image location system, be provided with figure acquisition module in described image location system, pattern process module, image analysis module be connected successively with control unit, described rotating mechanism is used for driving according to the position of image location system, described video camera rotates by control unit control action, is provided with audio A/D converter, noise filter circuit and dsp chip in described audio frequency processing system.

2. digital intelligent teaching writing/playing system according to claim 1, it is characterized in that: described rotating mechanism comprises fixed head, fixed block and rotating turret, video camera is hingedly coupled on rotating turret, described video camera is spheric probe, be provided with rotation pusher above it, rotating pusher rotation is arranged on rotating turret, rotating turret rear end is fixedly connected with rotation axis, rotation axis is fixed in fixed block, rotation axis upper end is provided with driven wheel, driven wheel engages with the driving gear of drive motors, and fixed block is fixed on fixed head.