On 03/01/14 22:20, Steve Allen wrote:
On Fri 2014-01-03T15:45:13 -0500, Stephen Scott hath writ:
2.)Video in North America and some other parts of the world is
Is currently described by section 5.3.2.13.1 of
ATSC-Mobile DTV Standard,
Part 2 -- RF/Transmission System Characteristics
Document A/153 Part 2:2011, 7 October 2011
http://www.atsc.org/cms/standards/a153/a_153-Part-2-2011.pdf
That specifies that the AT time scale is based on GPS system time,
which has no leap seconds.
First of all, this is a different time-scale than the time-scale usually
referred to as AT (for Atomic Time).
Secondly, this is not a generic video reference, but the ATSC-specific
definition, which is not relevant to TV-production problems such as
those discussed.
Cheers,
Magnus
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