1. Product Overview
The LeC300 full HD multi-functional recording and broadcasting system is an advanced multi-functional recording and broadcasting system that integrates camera, live editing, guide switching, webcast, on-demand, interactive commentary, and video conference.
The LeC300 full-HD multi-function recording and broadcasting system adopts broadcast-level TV guide switching technology to switch the on-site presenter screen, audience screen and presenter's computer screen (PPT, video, animation, etc.) and edit in real time. , Instantly generate professional teaching materials and conference videos. The LeC300 full HD multi-function recording and broadcasting system not only eliminates the cumbersome post-production process in professional TV production, but also provides functions such as webcasting and post-on-demand, which greatly facilitates teaching and conference recording.
The LeC300 full HD multi-function recording and playback system not only supports single-stream single-picture mode guide output, but also supports single-stream multi-picture and multi-stream multi-picture mode output. Users can freely customize the combination of multiple pictures according to their visual and operating habits. The combination of form and picture layout will show the teaching and conference scene to students and audiences in a rich picture form.
The LeC300 full HD multi-function recording and broadcasting system can not only provide schools with excellent course production, but also provide important meeting records and broadcast activities for party and government organs, troops, groups, courts, enterprises and institutions. One of the essential IT basic systems for sharing units.
Second, the system structure
1. LeC300 full HD multi-function recording host
Provide guide man-machine operation interface, real-time display preview and PVW, PGM signals, support transition effect control, support video control and playback viewing, support 4 audio adjustments, 1 MIC audio adjustment, support 1 mixing output; While the guide is switched, the output signal can be released to the streaming server in real time. The system also supports single-stream single-picture, single-stream multi-picture and multi-stream multi-picture modes. The system can realize the real-time collection function of multi-channel camera signals through a high-definition acquisition card by inserting cards; meanwhile, it supports direct access to high-definition IP network cameras. It is more convenient to manage and apply, which makes the full-HD multi-function recording host more widely used.
2. HD conference camera
It is used to collect videos of teachers (presenters) and students (audience), and can provide various ways of PTZ control functions. Output interface HD-SDI, Y Pb Pr, DVI optional, output resolution up to 1920 * 1080
3. Mixer
The external multi-channel microphone signals are mixed and tuned, and analog audio is output to the guide controller.
4. Recording server and platform software
Provide Web applications, streaming media services, remote PTZ control, data upload and download and other functions, support conference live, on-demand, user management, comments, videos, etc.
5. Automatic tracking module (optional)
Through image analysis, real-time analysis of on-site dynamics to achieve automatic teaching (meeting) recording and broadcasting
Three, multiple output modes
3.1, single stream single picture mode
Real-time on-site editing and output of computer screen contents such as PPT of teachers (presenters), students (viewers) and teachers (presenters) to generate a single-stream single-screen movie mode, the system takes up less resources, the screen is simple and smooth, and supports Automatic recording and manual recording.
3.2, single stream multi-picture mode
Users can combine several video frames together in any combination of pictures or picture-in-picture, and display multiple video images on one screen. In this way, in the live broadcast or on-demand process, multiple scenes can be seen at the same time without opening multiple windows, which not only saves network resources but also saves storage space.
3.3 Multi-stream multi-picture mode
The system simultaneously pushes multiple video images to the recording and broadcasting server to form a multi-stream multi-picture mode. Users can not only play one of the video files independently, but also combine multiple video streams to play at the same time. They can also drag and double-click the mouse to decide to enlarge / display a certain screen in full screen or watch multiple screens at the same time Users can choose the scene combination method according to their visual habits.
4. Main functions of LeC300 full HD multi-function recording and broadcasting system
1. True broadcast level standard, support multi-window simultaneous display of source signal preview, PVW, PGM and so on.
2. Support the source signal and the broadcast video after the guide is recorded separately.
3. Support live guide, support transition stunts.
4. Support on-site insertion of titles and trailers.
5. Support picture-in-picture display.
6. Support multi-picture arbitrary combination output (2 pictures, 3 pictures, 4 pictures, 5 pictures, etc.).
7. Support network push streaming, resources upload directly to the server.
8. Support standard definition, high-definition baseband signal input, support network IP signal input.
9. Support interface PTZ control, support quick PTZ lens operation.
10. Support interface mixer control, support hardware tuning control.
11. Support webcast, VOD on demand.
12. Support remote interactive teaching and remote video conference.
13. Support post-editing and fast editing.
14. Support online interactive communication and offline interactive communication.
15. Support automatic recording and broadcasting.
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