What is NDI® | HX2, detailed NDI® | HX2 video transfer protocol

What is NDI® | HX? NDI® | HX is the NDI® protocol used by the first generation baseband converter and the PTZ camera, which is a mixed protocol designed for traditional IP streams (such as RTSP / RTP) and easily integrated NDI® world. Establish bridges. Although the equipment firmware changes, most of the work of the NDI® | HX is done in the receiving device HX driver. NDI® | HX usually carries a H.264 video and AAC audio, these videos and AAC audio from the H.264 hardware encoder device, such as a PTZ camera designed for a broader non-NDI® market. NDI® | The discovery of HX devices is different from regular NDIs, which may bring different network challenges. NDI® | HX has a good foundation for next-generation NDI® | HX2 applications. What is NDI® | HX2? NDI® | HX2 is the next-generation efficient NDI® protocol, which also uses H.264, although it can also use H.265 (HEVC). The main difference compared to NDI® | HX is that NDI® | HX2 is a real native NDI® stream, from source devices to the destination. This means it is a "clean" than NDI® | HX, and can provide more reliable, lower delay and more flexible connections, which share all general features of NDI®, such as three different discovery options (MDNS, NDI Access Polishing and NDI® 4 Discover), carrying arbitrary NDI® metadata, and the same control of low-level network transmission (TCP, UDP, Multicast, and MTCP). With a higher bit rate and HEVC selection, NDI® | HX2 can provide screen quality similar to Full NDI via WiFi. NDI® delay depends largely on the transmitting and receiving apparatus codec implemented, but can theoretically be as low as a few frames. NDI® | HX2 compatibility: NDI® | HX2 decoding built in Windows, MacOS, and Linux NDI®4 drivers, most software that use NDI® 4 will be able to decode NDI® | HX2. One thousand depending on the E1-NDI, E2-NDI, N1, N2 encoder support NDI® | HX, can be smoothly upgraded to NDI® | HX2 version. Note: The previous version of the encoder product V4.3.2029 (inclusive) only supports NDI® | HX, which will be upgraded to NDI® | HX2. One thousand depending on the D300 decoder, MG300 media gateways support decoding NDI® | HX2. Note: Decoder / Media Gateway Products V4.6.2108 (inclusive) does not support Decoding NDI® | HX2, which will be supported. NDI / NDI | HX / NDI | HX2 comparison FQJ, read full text

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