Saturday, November 17, 2012

Re: [Avid-L2] Re: 23.98 sequences in 59.94I 1080 master?

…hence the 'almost' in my statements. There's always room for a bad guess…


On Fri, Nov 16, 2012 at 11:48 PM, johnrobmoore <bigfish@pacbell.net> wrote:

> **
>
>
> From experience I can tell you that when I export an SD QT ref movie and
> use QT Pro to make it a self contained movie with multiple audio tracks
> when I ama back into Avid to check the field order is default and is wrong.
> If I don't manually set the right click source settings and choose even
> lower it won't playback correctly. This is an Avid 1:1x media, the x for
> packed not 10 bit, at least that's what QT Pro says it is. At any rate it's
> avid media and Avid's ama guess is default for field order and it's wrong
> every time...
>
>
> --- In Avid-L2@yahoogroups.com, Mark Spano <cutandcover@...> wrote:
> >
> > It is almost a certainty that the 'guess' will be incorrect with any
> format
> > that is not an Avid "native" format (H.264, ProRes (at least in 5.5.3),
> > etc.). In this case, the Field Motion column shows "Unknown", and you
> MUST
> > set this to have correct motion adapters.
> >
> > It is also almost a certainty that the 'guess' will be correct with any
> > format that is recognized as an Avid "native" format (DNxHD, XDCAM, P2,
> > etc.).
> >
> >
> > On Fri, Nov 16, 2012 at 10:45 AM, Dom Q. Silverio <domqsilverio@
> ...>wrote:
> >
> > > **
>
> > >
> > >
> > > I always check especially with AMA'd QT movies, where the accuracy is
> far
> > > lower compared to camera based file formats.
> > >
> > > Dom Q. Silverio
> > >
> > >
> > > On Fri, Nov 16, 2012 at 10:37 AM, Greg Huson <Greg@...> wrote:
> > >
> > > > Actually, the motion adapter 'guesses' (i'm sure its more
> sophisticated
> > > > than that) the source- usually it gets it right. Most often the
> motion
> > > > adapter will correctly guess that 2398p in a 5994i project needs pull
> > > down
> > > > added.
> > > >
> > > > (The one it never gets right is removing 2:3 from a 720 / 5994
> source in
> > > > a 2398 project- the motion adapter
> > > > Always assume the 720 is 'p,' but it's easy enough to open the motion
> > > > adapter and adjust.)
> > > >
> > > > It's a good idea to eyeball every shot carefully.
> > > >
> > > > (actually harder to see the errors on a newer monitor because they
> tend
> > > to
> > > > suppress interlace issues automatically! If you do this a lot, keep a
> > > > glass monitor around - its easier to see motion adapter errors.)
> > > >
> > > > ________________________
> > > > Greg Huson
> > > > Secret Headquarters, Inc
> > > > Greg (at) SecretHQ.com
> > > > www.SecretHQ.com
> > > > DigitalServicsStation.com
> > > >
> > > > On Nov 16, 2012, at 7:26 AM, "ksirul" <kenavid2@...> wrote:
> > > >
> > > > > When MC adds a motion adapter, it isn't actually adding 3:2
> pulldown
> > > > right? It's just a 125% Motion Effect?
> > > > >
> > > > > --- In Avid-L2@yahoogroups.com, Mark Spano <cutandcover@> wrote:
> > > > > >
> > > > > > You have it, although the way I read it, you may be adding (or
> being
> > > > forced
> > > > > > to add) multiple redundant steps. If this were my show, I would
> have
> > > > just
> > > > > > cut everything into a master 59.94i sequence. Not sure why
> there's
> > > > bouncing
> > > > > > back and forth between 23.98p and 59.94i sequences, when MC can
> > > handle
> > > > the
> > > > > > 23.98 material perfectly fine in the 59.94i sequence using motion
> > > > adapters.
> > > > > > But anyway, once you have everything in your master 59.94i
> sequence,
> > > > yes,
> > > > > > the 23.98 sections will have motion adapters added to them
> > > > automatically.
> > > > > > You can definitely mixdown those sections, but to avoid clutter
> and
> > > > > > confusion, I usually just render. Rendering the sequence bakes
> in the
> > > > > > motion adapters - you then in effect have an entirely 59.94i
> > > sequence,
> > > > and
> > > > > > any file outputs can be done using QT ref or same-as-source (as
> every
> > > > > > referenced file is now either a natively 59.94i video file or a
> > > > rendered
> > > > > > (baked in) 59.94i file). Avoiding mixing down is just a
> preference
> > > for
> > > > me
> > > > > > at this stage, since it makes things much easier when the
> inevitable
> > > > last
> > > > > > minute note comes down and we've got to change something. Then I
> > > don't
> > > > have
> > > > > > to remove a mixdown and revert to a previous sequence to make
> that
> > > > happen.
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Thu, Nov 15, 2012 at 8:27 PM, John Moore <bigfish@> wrote:
> > > > > >
> > > > > > > **
> > > > > > >
> > > > > > >
> > > > > > > So I'm doing an hour special that has a few sketches shot on
> Red,
> > > oh
> > > > joy,
> > > > > > > at 23.98. For the studio shoot of the main show it is all
> 59.94. We
> > > > took
> > > > > > > the sketches and cut them into a 59.94 sequence to build the
> studio
> > > > > > > playback reel. The offline is being done with the line cut and
> isos
> > > > and
> > > > > > > the playback reel. I haven't had to deal much with mix and
> match
> > > but
> > > > I
> > > > > > > figure I will color correct the sketches in their native format
> > > > timelines
> > > > > > > and then when I get the final online sequence I will eye match
> and
> > > > cut in
> > > > > > > the 23.98 sequences into the 59.94 final timeline. Avid will
> add
> > > the
> > > > > > > appropriate motion adapter and voila away we go. Am I missing
> > > > something
> > > > > > > here? Will I need to do video mixdowns of the 23.98 sequences
> to
> > > > output to
> > > > > > > tape or file. I'm delivering a file as primary and tape as
> backup.
> > > I
> > > > seem
> > > > > > > to have read that the mixdown will be required for a QT ref
> movie
> > > do
> > > > to the
> > > > > > > differing frame rates. Usually I like to export a QT ref for
> > > > multiple audio
> > > > > > > channels and use QT Pro to make the final file. This has worked
> > > well
> > > > even
> > > > > > > when I had to go to ProRes files. There is the option to
> export an
> > > > XDCam
> > > > > > > file which would require that fake disk folder thingy and an
> export
> > > > to
> > > > > > > device IIRC. Can someone shed some more light on the need for a
> > > video
> > > > > > > mixdown of the 23.98 sections or do I have to mixdown the
> entire
> > > > show? TIA
> > > > > > >
> > > > > > > John Moore
> > > > > > >
> > > > > > > Barking Trout Productions
> > > > > > >
> > > > > > > Studio City, CA
> > > > > > >
> > > > > > > bigfish@
> > > > > > >
> > > > > > > [Non-text portions of this message have been removed]
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > > [Non-text portions of this message have been removed]
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > > >
> > > >
> > > > ------------------------------------
> > >
> > > >
> > > > Search the official Complete Avid-L archives at:
> > > > http://archives.bengrosser.com/avid/
> > > > Yahoo! Groups Links
> > >
> > > >
> > > >
> > > >
> > > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>


[Non-text portions of this message have been removed]



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