transcode 720p24 to 720p60

[Walter Biscardi]

All DVCPro HD cameras and VTRs record 720/60 at all times. So there are zero issues capturing to 720/60 with 24 footage.

What you can do if you want is extract the 24fps from that 60 using the Panasonic Frame Rate Converter in FCP.

Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.

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[Rob Grauert]

Oh nice!, I’ll look into the frame rate converter. Meanwhile, I’ve got to get to the post house.

Thanks again!

Robert J. Grauert, Jr.

[Jeremy Garchow]

What a minute. Let’s back here.

What frame rate is your current timeline? What frame rate do you want to edit in?

[Rob Grauert]

I haven’t started editing yet, but I will set it to edit 720p60. The reason for that is because I got a huge amount of footage that is 720p60, but the tapes were shot at 720p24.

The final output is supposed to be 720p24 though.

Robert J. Grauert, Jr.

[Jeremy Garchow]

[Rob Grauert] “The final output is supposed to be 720p24 though. “

To tape? If so, that’s not possible. If going to tape it’s going ot be 720p60.

If you want to edit @ 23.98, then you tell the post house to capture @ 23.98 (the kona will remove the pulldown on the fly) to whatever codec you want. You can use the DVCPro HD Frame Rate converter, but only for mateiral that was captured DVCPro HD. If there’s any other codec used, you won’t be able to use the DVCPro HD FRC.

So let’s get this really straight.

You have 720p60 footage, you have 720p24 footage. You want to edit @ 60, but output 24? It seems to me you might be a bit confused about what to do here, it’s okay. The 720p workflow can be a little confusing at first.

Let’s start with the output. What exactly are you outputtting to?

Jeremy

[Rob Grauert]

Hey Jeremy,

When Walter mentioned the FRC above, I searched for it in a PDF from Apple named “Working with High Definition and Broadcast Formats,” and that explains all broadcast formats and how to properly use them with FCP.

I came across the section that explains why 720p is always recording 60fps, and I understand why you need remove the pulldown if you want 30p or 24p. That all makes sense, and I understand why you can’t output to tape as 24p.

When I took the tapes to the post house to have them transfer it to a hard drive, I said, “Capture as 720p60.” because everything else that I got a few days ago is 720p60.

I figured I could edit everything in 720p60 and use the FRC at the end to make everything 24p. We are not outputting to tape, we are outputting to a drive.

So to sum everything up, this is how the past few days went for me:

1. I got a hard drive consisting of DVCPro HD 720p60 quicktime files.
2. The next day I got 2 tapes that were shot at “24p” (i know it’s not really 24fps on tape)
3. I took the tapes to the post house and asked them to capture it as 720p60 so that it matched the footage from the hard drive.
4. I’m going to edit in 720p60
5. When I finish editing, I will use the DVCPro FRC to make it 24p
6. Output to a portable drive.

Is that a plausible workflow?

Also, pardon my ignorance of DVCPro HD. This is my first HD project and it was kind of just tossed in my lap last minute. It seems to me that the people who want this in HD don’t completely understand the format, so I’m scrambling to learn what has to be done to complete the project properly.

Thanks for your time and help. It is greatly appreciated.

Robert J. Grauert, Jr.

[Jeremy Garchow]

Unfortunately, ROb it doesn’t work that way. The video needs to be shot 24p in the first place. You can’t have 60p video and use the FRC to convert to 24p magically, although I am sure many people would love that feature.

For you, you should probably deliver a 60p file and work @ 60p.

Jeremy

[Rob Grauert]

Oh, that’s a shame. I’ll be sure to let them know. It’s hard when I have no idea how much time they invest in preproduction. I don’t know if they fully understand the DVCProHD format.

Thanks again.

Robert J. Grauert, Jr.