Jef,
I started delivering XDCAM 50 to PBS some years back when that was their first and only approved file delivery format (around 2014 if memory serves), and then started delivering DNx145 after that was approved. This past March I delivered 3 hours of XDCAM 50 to APT which is a major syndicator to PBS stations (APT has their own TOS and they only accept XDCAM 50, not DNxHD); FYI those shows can be seen here:
In all cases I delivered embedded captions. The PBS shows (XDCAM and DNxHD) were containerized; the APT shows were not. PBS and APT also required .SCC files (in their deliverables list) so I'm guessing this would allow them to fix any problems with captions.
Frankly, the higher bit-rate codecs have no advantage over XDCAM 50 in terms of the visual quality delivered to home viewers. Many PBS stations are dividing their legally-allocated bandwidth into several independent broadcast signals, each of which may be as little as 5 megabits/second. With the pandemic forcing so many of us to work from home over consumer-grade connections (with asymetrical bandwidth, better downstream than upstream) I really appreciate the lower bit-rate codecs.
In solidarity,
Wilson Chao
Hi JB,
Thanks for responding. Interesting comment about XDCam50. We have used that path via AME with success. But trying DNx145 via AME did not work. Odd.
One big question - were the shows you delivered to PBS containerized? That is where our issues occurred.
On a side note, PBS has published a 2020 TOS. One big thing is that they will now accept DNx220 and DNx220x files. This is great seeing as how most of the the shows sent to us to prepare for PBS are ProRes HQ. Even dumbing them down to DNx145 has always felt bad to me. And I fight like heck to avoid XDCam50.
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