Product features: 1. Adopt integrated hardware design (non-IPC installs capture card), easy to use and maintain fully embedded system, compact structure, integrate data acquisition, data processing release and management; it is a real standalone ( It can be completely separated from the embedded recording of PC). It only needs the mouse and keyboard to complete the recording and recording. The recording host can directly connect the keyboard and mouse. It can realize display and background configuration operation without external computer. It is simple and convenient. Get rid of the PC completely. 2. Support multi-channel video seamless switching, overlay, splicing and other processing functions. 3. Input and output interface: multi-interface design, support 3G-SDI, HD-SDI, HDMI, VGA and other video signal source input; with 5 SDI interface adaptive 3G-SDI or HD-SDI high-definition video signal input, 1 HDMI/VGA/YPBPR/CVBS/S-VIDEO signal input. 4. Video signal input supports 13 channels of high-definition 1080P@60 (1920*1080); supports 3 channels of high-definition video output: VGA-OUT output guide interface; HDMI-OUT-2 output PGM live interface; HDMI-OUT-1 output guide interface . 5. Audio interface supports 5 channels of audio (3 channels of LINE-IN + 2 channels of MIC-IN) simultaneous input; supports 4 channels of audio (3 channels of LINE-OUT + + 3.5mm local earphone monitor interface) simultaneous output. 6. Encoding format: standard streaming media file format MP4, video encoding format H.264, audio encoding format AAC, up to 60 frames of video recording; suitable for universal player or embedded web page playback mode, video encoding code stream: 50Kbps ~ 40Mbps Adjustable, the audio sampling rate is adjustable from 8-48KB, and the audio encoding rate is adjustable from 8-420KB. 7. The recording mode supports two modes: movie mode and movie plus resource mode. Movie mode and resource mode work simultaneously. Resource mode works in the background while recording movie plus resource mode. 8. The industry only supports dual-film mode broadcast, dual-conductor mode supports PGM and PGM2 simultaneous single-stream multi-screen recording and live streaming. 9. Manual navigation mode supports video preview, live output monitoring, video switching, audio adjustment, recording mode switching and other functions; support manual PTZ PTZ control, teacher video and student video support multiple preset settings. 10. Manual broadcast support local manual live broadcast (recording host self-contained broadcast software) and network remote broadcast, centralized broadcast management software can complete the guidance of each classroom in the central control room; remote guide interface and embedded guide interface are similar, reduce the guide The learning time of the staff is simple and easy to use.