IP transmission will begin making inroads into North American broadcast facilities starting this spring, even if they have no plans to implement an IP-based infrastructure, thanks to the finalization of ATSC 3.0 specifications and the introduction of compatible consumer products at this year's CES.ATSC 3.0 is an IP-based transmission standard designed on a five-layer stack (see Fig. 1) akin to the seven-layer OSI network stack that allows easy technology replacement and substitution. This month we're looking at what needs to be done to prepare existing infrastructure to handle the Next Generation Audio (NGA) formats coming in ATSC 3.0.
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