ATSC 3.0 is a new update for over the air digital broadcast. The first TV station to use this new standard is KHMP-LD on UHF 18.
The new standard includes 3840×2160 HRD10 and 4:4:4 chromaticity. The improved signals are welcome.
The standard is comprised of over 20 components that amount to over 1000 pages of technical material needed for equipment manufacturers to be able to achieve interoperability.
The proposed rules are to gradually change from ATSC 1.0 to ATSC 3.0 over a five year period. Receivers can handle downsampling for those with older televisions.
ATSC 3.0 is not backward compatible with ATSC 1.0, which means that if your TV doesn’t include an ATSC 3.0 tuner, you’ll need an external converter to make use of those signals. They are widely available for ATSC 1.0 but new ATSC 3.0 hardware should be widely available in a year or two.
Prices for 3840×2160 televisions have been falling and the trend suggests a television in 2020 maybe below $500. 8K televisions are also falling but it may be 5-7 years before the rest of the industry catches up.
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