Closed captions: the Web Presenter HD supports embedding closed captions into your RTMP live stream in CEA-608 and CEA-708 standards. Direct streaming: The Blackmagic Web Presenter HD supports direct live streaming via Ethernet using Real Time Messaging Protocol (RTMP). 3G-SDI: Automatic detection of SMPTE level A or B on SDI input. Colour space for video inputs: Rec.601, Rec.709, Rec.2020. 
Ethernet: supports 10/100/1000BaseT for live streaming, software control and software updates. HDMI video outputs: 1 monitoring output. SDI video outputs: 1 loop-through output, 1 monitoring output. Power supply: 1 integrated AC power supply for 100-240 V (IEC power cable not included) or 1x +12 V DC 4-pin XLR connector. Monitoring output for video image, audio level meter, trend graphs, etc. As the built-in USB ports act like a webcam, a computer can be connected to use any video software. Can stream to the Internet via Ethernet or use mobile data via a connected 5G or 4G mobile phone. Hardware streaming engine to stream directly to YouTube, Facebook, Twitter and other platforms via Ethernet.
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