NT90LT

Conference Systems · HD Video Conference System

HD Video Conference Terminal NT90LT (specification: LT02)

The new split 4K ultra HD video conference terminal supports H.265 technology, ultra-low bandwidth to fulfill 4K ultra HD video effects, and integrates rich audiovisual interfaces, suitable for various medium and large conference venues.

Features

• Adopt split structure, built-in hardware video processing unit, using embedded Linux operating system, without Windows/Android operating system.
• Support ITU-T H.323 and SIP standard protocol, with good compatibility; support H.239 and BFCP dual-stream protocol, the mainstream can reach 4K30fps.
• Support 64Kbps-8Mbps call bandwidth; support QCIF, CIF, 4CIF, 480P, 720P, 1080P, 4K video resolution.
• Support 1280*720P 60fps/50fps/30fps/25fps, 1920*1080P 60fps/50fps/30fps/25fps, and 3840*2160 60fps/50fps/30fps/25fps HD video signal input.
• Support 1024*768 60fps, 1280*720 60fps, 1920*1080 60fps/30fps, and 3840*2160 60fps/30fps HD video signal output.
• Support H.261, H.263, H.263+, H.264, H.264 HP, H.265 video codec protocol, support G.711, G.722, G.722.1, G.722.1C , OPUS and other audio codec protocols, the sound quality is up to 48KHz.
• Support annotation function of auxiliary stream, which can make real-time annotations on the auxiliary stream screen when sending and receiving auxiliary stream; support setting three different thickness pens, five pen colors, and annotation graphics such as circle, square, arrow, and lines; when sending auxiliary stream, support setting whether to open the annotation permission to the participants in the conference.
• Support terminal control through 2.4G remote controller, web, touch, mouse and keyboard, etc. Support remote controller and smart mouse control mode.
• Support to arbitrarily open and close remote video, and supports drag and drop of flying mouse to change the window position of the video in the screen layout. Support mouse control mode to drag and change the video window position in the screen layout.
• Adopt B/S management structure, which can remotely manage by logging in to the web via browser. Support switching between Chinese and English.
• Support chairman control mode. With the chairman permission, you can control the parameters such as the encoding rate and resolution of the dual-stream in remote venue. The PTZ camera can be moved up/down/left/right, focused and zoomed.
• Main screen supports output of 4K resolution signals, and single screen supports up to 25 video images.
• Support to automatically open the remote auxiliary stream screen, and can watch up to 25 different auxiliary stream screens of video terminals at the same time.
• Support single-screen dual-display, dual-screen dual-display and three-screen three-display functions, multi-screen layout, picture-in-picture and other common layout types. Single screen supports simultaneous display of 25 channels.
• Support setting full-screen display or composite display of auxiliary stream in the meeting.
• Support switching the signal source of mainstream video and auxiliary stream video in the meeting;
• Support video polling function, you can choose the polling window, polling time interval, and the people participating in the poll; support voice activation function, you can set voice activation window, and the venue with the loudest speech will automatically switch to this window;
• Support wireless auxiliary streaming function, the computer only needs to install a software and connect to the terminal through network to realize the wireless sharing auxiliary stream function, without external hardware equipment;

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