-
converting 23.98 to 29.97 for music composer
hey gang!
i am working on a 720p 23.98 dvcpro hd project (for broadcast) and i want to know the best way to hand a quicktime / omf over to our music composer. he has told me his system (cubase) won’t handle 23.98. whether or not that’s true (he could be referring to playing back the quicktime on an external monitor), i want to know the smoothest workflow for giving him everthing in 29.97 and then importing the aiff’s i get back without any sync issues.
from what i’ve read, i can just copy everything into a 29.97 sequence, export, and then import his aiff back into my orininal 23.98 sequence. sounds too easy.
One more thing I need to work out (haven’t started the show yet) is the delivery requirements (DUH!). i’ve been told i am going to be outputting a 23.98 sequence to tape (on the aj-1200hd) which is then going to be mastered to a d5. now, since this show is going to air in sd, wouldn’t that mean that we are going to have some df/ndf issues? what is the calculation required to accomplish this?
also, does anyone know if the d5 can record true 23.98 or is it like the aj-1200 which records at 59.94 with flags?
obviously, i’m a bit new to this workflow. won’t somebody please show me the light?!?!
clayton
-
5 Replies
-
Sorry, no idea about the audio issue, as my mixer uses pro tools and has no problem with 23.98 stuff. I do suggest that you send a test. 10-15 min chunk then they just do some fiddling and then send back as AIFF files (separate ones for each track of audio) and then you import and check.
As for the show timing…read this:
https://lfhd.blogspot.com/2006/09/online-workflow-overview.html
While we did a direct to HDCAM output, this will hold true for outputting to DVCPRO HD as well.
Shane
Littlefrog Post
http://www.lfhd.net -
Yup – Just copy/paste into a 29.97 sequence and export a self-contained QT. It will simply repeat frames to make up the difference, and will look fine running in realtime. The aiff he gives you back goes straight into the 23.98 sequence and locks up fine. 23.98 and 29.97 are analogues of one another.
D5 records true 23.98 fps in HD mode. But in SD mode it’s just like a Digibeta – 29.97 only. But if they’re airing in SD, why do they want a D5? I’d ask the network because they’ll have standards for TRT ndf/df etc… There should be a paper that lays it out so us editors can get it all formatted properly.
-
The History Channel wanted D5 or HDCAM masters in HD for archive and possible HD broadcast in the future, and they wanted digibeta dubs for broadcast now.
Shane
Littlefrog Post
http://www.lfhd.net -
thank you Shane and Charlie. I’m glad I can go back and forth between 29.97 and 23.98 for the music composer so easily. do you think I could still benifit from the Naetress conversion software for this project?
Shane, the info in your blog about using a 29.97 timeline to figure out the length in 23.98 was great help.
Thanks again,
Clayton
-
I wouldn’t waste render time with the plugin – It’s good – but you don’t need it for a mix.
Reply to this Discussion! Login or Sign Up