[mythtv-users] Deinterlace stopped working in latest SVN trunk
Boleslaw Ciesielski
bolek-mythtv at curl.com
Fri Jun 1 01:17:25 UTC 2007
Brad Templeton wrote:
> And while I don't have enough knowledge to decode the transport
> streams, I still am curious if there are really progressive frames
> in the stream. I mean, is it legal to transmit a 1080 line progressive
> frame (even at 30fps or less) in an over the air ATSC broadcast?
Yes, at 24fps or 30fps but not at 60fps. AFAIK, nobody does it though.
> Would the TVs out there handle it?
They are supposed to, in theory (via the internal ATSC tuner, not
necessarily via component/DVI/whatever input). But since there are no
test cases, who knows.
> I mean it would be great if the networks transmitted moves at 1080p 30FrPS
> or even 1080p 24FrPS rather than in 1080i 60 fields/second (30 frames/second)
> as they normally do, but I didn't think it was even in the broadcast
> HDTV spec. Does anybody know?
Both 1080p24 and 1080p30 are (and have been) part of ATSC spec. 1080p60
is not.
See http://www.atsc.org/standards/a_53-Part-4-2007.pdf page 10
Bolek
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