Re: [Avid-L2] Europe here calling: p50 -> p25 - i25

Jo - not for nothing, but a 'nope' is a rather rude response to my educated reply. The pulldown example I gave is exactly how it's been done here for decades before I was even born. QC will only be kicking back intraframe edits if they (or their library) are considering using your interlaced delivery for a subsequent progressive output. Otherwise there is no reason why they shouldn't accept and air as it is.

I would think it is worth finding out. I have had thousands of successful deliveries on this very idea, and only the handful that came back were for this exact reason, which can be a fair one if the processes at the air end are automated and not 'smartly' controlled by technicians (i.e. you could very easily take 25i, remake it to 50p, then lop off half the odd or even frames and have a good (not great but good enough) 25p intermediate with no blended frames. Alas, the world we live, you can rarely tell what happens to your work once it leaves your capable hands and lands in the not-so-capable hands of amateurs and robots.

On Wed, Oct 6, 2021 at 10:45 PM Jo's Mailinglists <lists@filter-media.net> wrote:

Mark - 

Sorry to say, but: nope.

QC on the side of the TV recipient (broadcast, not: streaming) WILL throw back intra-frame edits.

This in mind: a proper setup on source p50 -> chaning Avid to "Edit Timebase 25" can fix this. However: if MultiClips are involved and as there is a 1f offset in-between the ISOs and the PGM in the 50 raster - is i good enough to keep the timeline-edits in the 50 raster at ":"? Knowingly: that 1f offset in-between the ISOs and the PGM wpuld not line up?

Is there a way to display a 50fps TC in Avid on the track read-outs or ist it just "." and ":" in a 25 counter instead of a 50 counter? What's gonna happen if we go 100/120 fps?

Avid, you read this?

Best

Jo

Jochen "Jo" Hermann

filter Media Postproduction

Salzburg, Austria

On 7. Oct 2021, at 04:31, Mark Spano <cutandcover@gmail.com> wrote:

However, if you have an interlaced delivery, and it is going to an interlaced playback platform, then having those blended frames (edits with a frame of one shot and a frame of another shot) are OK. You may be thinking that you need to keep all those edits "clean" but that can be torturous to maintain. I would, as Knut said, edit in 50p and finish in 50p, and convert that 50p master to 25i at the end for that specific delivery. If that delivery is asking you for clean edits on your interlaced frames, it then becomes clear that they intend to subsequently re-encode your 25i air master for 25p web/streaming, and they can go to heck.

_._,_._,_

---

Groups.io Links:

You receive all messages sent to this group.

View/Reply Online (#135522) | Reply To Group | Reply To Sender | Mute This Topic | New Topic
Your Subscription | Contact Group Owner | Unsubscribe [administrator242.death@blogger.com]

_._,_._,_