workflow for 1080i on a 720p24 Timeline
by Michael Tucker
on
Jul 8, 2008 at 11:18:22 pm
I am working on a doc that has a mish-mash of formats... everything from 16mm to 1080i to 720p SD/HD. I'm a bit of a noob when working like this so I have a question... I know this is a basic question... go gentle on me... I'm an recent avid-convert.
Our final delivery spec is 720p24 HD. I'm cool with all of the footage except for the 1080i60i footage. We have a Sony DVCam deck that I could capture via firewire, but then I don't get the benefit of Down-Converting on capture through our Kona3. I would love to get everything in the same format on the timeline. Should I just ingest it at 1080i60i and let the Kona handle the DC in real-time?
Re: workflow for 1080i on a 720p24 Timeline by Shane Ross on Jul 9, 2008 at 12:32:52 am
The Kona will not capture 1080 as 720. I know...I just captured 1080 yesterday for my 720p DVCPRO HD project. What I did was capture the 1080i as 1080i, then used COMPRESSOR to convert to DVCPRO HD 720p24. But it was progressive footage, 1080p 23.98, so it all matched perfectly. If your footage is 1080i 29.97, you will first need to remove the pulldown with Cinema Tools, THEN use Compressor to convert.
Re: workflow for 1080i on a 720p24 Timeline by Jeremy Garchow on Jul 9, 2008 at 2:26:31 am
[Shane Ross]"The Kona will not capture 1080 as 720"
Well it will, it just won't capture 1080i 29.97 to 720p24. If your frame rates match (such as 1080psf23.98 to 720p23.98) the Kona will most definitely do it. It will also convert 1080 29.97 to 720p 59.94.
If you need to convert 1080i29.97 to 720p23.98, you can use compressor for this as Shane says. Your mileage may vary, just make sure you have all the setting correct ;) You can also send this out for hardware converion with a Teranex or Alchemist and get it confromed to 1080 23.98 with great results. Be prepared to pay for the privilege.
Re: workflow for 1080i on a 720p24 Timeline by Shane Ross on Jul 9, 2008 at 8:06:32 pm
[Jeremy Garchow]"If your frame rates match (such as 1080psf23.98 to 720p23.98) the Kona will most definitely do it. It will also convert 1080 29.97 to 720p 59.94."
YOU ARE CORRECT SIR!
I called Walter for help on this, as three of our DVCPRO HD tapes were shot 1080sf23.98 instead of 720p24. I tried to find the deck menu in the 1200 to downconvert to 720 but it was missing, so I set 720p 23.98 as my PRIMARY, 1080sf23.98 as my secondary in the Kona CP and BOOM, got the 1080 to 720 conversion box to appear. Capturing fine now.
Thanks for that Jeremy...I thought it could do this. Oh, and thanks to Walter for walking me thru this as he made a cappachino for a client.
Re: workflow for 1080i on a 720p24 Timeline by Eric Holzapfel on Jul 9, 2008 at 7:57:37 pm
Hello Shane et al,
I just had a thought after reading your post above. I have some footage shot with a Canon HV20 in its 24p mode and it really is 1080/60i. My plan is to convert it to 1080/24p. Do I (or should I) remove the pull-down as you mention in the post above using Cinema Tools? I have used a process using Compressor that "converts" the 1080/60i to Apple ProRes422. The workflow then was to import the ProRes422 clips into a new sequence in FCP on a 24 (23.976) timeline. Does the conversion to ProRes422 remove the pulldown?
Re: workflow for 1080i on a 720p24 Timeline by Michael Tucker on Jul 10, 2008 at 11:54:31 pm
Ok, I'm missing something...
Captured my footage as HDV 1080i60 (1440x1080, 29.97, upper dominance)
I need to take it to HDV 720p24.
1. I tried Cinema Tools - get an error about temporal compression. No bueno.
2. I tried Episode Pro - Notice a gamma shift and a slight push on the shot... Not acceptable.
3. I tried Compressor - The Reverse Telecine option in the Frame Tools creates 23.98, not 24)
Still haven't figured out the best way to go from 1080 to 720 either.
Re: workflow for 1080i on a 720p24 Timeline by Jeremy Garchow on Jul 11, 2008 at 12:58:43 am
Like Shane says you want 23.98 (which is really 23.976) and then to get to 720, I'd just put your 1080 rev telecined clips in the 720 timeline. You can also adjust the geometry in Compressor so you can do a rev telecine and then a scale down to 720.
