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18
NDI®|HX2 Protocol:
What is NDI®?
NDI® is NewTek’s innovative Network Device Interface technology, is a royalty
free standard enabling IP video workflows across Ethernet networks. NDI
®
|HX2 is
a bi-directional standard that allows video systems to identify and communicate
with one another over IP, and to encode, transmit, and receive multiple streams
of broadcast-quality, low latency, frame-accurate video and audio in real time.
The NDI
®
|HX2 encoding algorithm is resolution and frame rate independent,
supporting up to 4K and beyond, as well as multi-channel, floating-point audio up
to 16 channels and beyond. NDI
®
|HX2 also includes tools to implement video
access and grouping, bi-directional metadata, tally, and more
What about NDI®|HX2?
NDI®|HX2 is the next generation for efficient NDI protocol. It uses H.264, but is
also capable of using H.265 (HEVC) for even more efficient compression. There
are a couple of differences between NDI®|HX2 and its predecessor, NDI®|HX.
Some differences is that NDI®|HX2 is a true native NDI® stream from the camera
source. It is considered a better implementation than the previous generation,
allowing for a more reliable, lower latency video. It shares very similar features to
true NDI®, such as discovery options, ability to carry metadata, and control of low
level network transmission. (TCP)
You will also not need any drivers for NDI®|HX2, as NDI 4 will be used to decode
it. This makes it a lot easier on previous versions of equipment. For more info on
the differences between the three different types of NDI®, please view the next
page.
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