Participant

Question

720P 120FPS Sequence Preset

Forum|Forum|13 years ago
December 16, 2012
8 replies
43390 views

Hey

I'm running Premiere Pro CS6 v6, Installed latest updates, Windows 7 64bit, My source footage is H.264 in a .MP4 format. I'm using a Go Pro Hero 3 Black edition at 720P, 120FPS.

Is it possible to create a sequence preset for the Go Pro Hero 3 at 720P 120FPS and/or for all the other Resolutions and FPS?

Kind Regards

Toby

J

johnorjias

Participating Frequently

You can do all this inside Premier

Not sure why people will always assume they know best instead of just answering the question. Of course if you film at 120 or 240 you will want a sequence to be in 120 or 240 so when you you reduce the speed of the clip to 10% that 240 fps is now 24fps and really smooth. if you put a 240pfs clip in a 30fps sequence it drops all your extra frames and if you slow it down to 10% you will only have around 3fps which looks like crap

People should not ask why you want to do something a certain way and just answer the question

Its easy

right click on the clip in the in the project window and select create sequence from clip, then you will have a 240fps or what ever frame rate it was filmed at. Then once you stretch the clip where ever you want it to be slow mo, you can copy to a master sequence if you have one at a lower framerate where your putting a lot of footage together that is at different speeds, or just export it at the 30fps with out losing any of the frames where you stretched it so you will have 24fps slow motion if you reduce its speed to 10%

Steven L. Gotz

Inspiring

johmorjias,

You are missing a few important facts.

If you put a 240fps clip into a 24fps sequence, it will only show every tenth frame. And be VERY choppy. What you need to do is "interpret" the footage to 24fps, then it will play 1/10th as fast, and use all of the frames. By the way, I don't think that Premiere Pro can create a 240fps sequence yet. Perhaps, but I don't think so. Feel free to prove me wrong.

The reason that experienced users ask what the original poster really wants to do is because often they ask the question in an odd way because they just don't have the right words to use. So we ask, and then we help.

Perhaps you should check out the information you provide before you type up a post in a forum in an attempt to answer questions.

artofzootography.com

J

johnorjias

Participating Frequently

if you interprat footage to 24fps then the whole clip is changed to 24fps. thats fine if you want to slow down the whole clip. But what if you do not.

as far as my comment "Not sure why people will always assume they know best instead of just answering the question"

It was becuase it seemed like the topic was getting off on a tagent of "Why would you want to do that", and "Most hardware will not support it" etc etc instead of just answering the question.

yes the only reason even I can think of using 120 or 240 its to for slow-mo but that does not mean you may want to slow down the whole clip, you may just not want to have to stop recording everytime and through your camra in 30fps for all your shots you dont want to slow down, if your wearing a gopro and think you may want to slow down a shot as you go off a jump or something, your not going to want to take it off to change the settings while your out there catching a wave, or skiing down a hill. You will record it at 120 and slow down the parts you want and keep the others normal.

But as the Adobe Staff parson stated....

Premiere Pro's renderer is framerate agnostic, don't let the lack of sequence presets stop you. Dragging a 120fps clip to the new sequence icon and internally it will be treated as 120fps.

Which is 100% correct by the way.

this statemnet

No it doesn't - as I said it will create a 59.94 sequence and the clip will play back at half-speed.

Is not correct.. AT ALL

If you create a sequence from a clip at 120 or 240fps it WILL create a sequence at that frame rate.

you can the edit your footage as normal, you can the slow down the parts you want and everything is there.

My point is was it seems a lot of people got of on a tangent of saying. "What would you ever want to do that for" instead of just saying how to do it.

and how to do it is "Create a sequence from the clip"

As the Adobe Staff person stated.

well he said

Premiere Pro's renderer is framerate agnostic, don't let the lack of sequence presets stop you. Dragging a 120fps clip to the new sequence icon and internally it will be treated as 120fps.

but thats the same as right clicking on the clip in the project and selecting "create squence from clip"

Sorry If i came across critcal it was not my intention I was just making an observation.

And regard to putting a 240 into a 24, i was referring to doing that only after you had finished slowing down any of the parts you wanted to.

If you had a master squence at 24fps or 30 or whatever, that contained what would be the final version of all your clips put together, justt dragging a 240 fps to it would drop frames, but you had alreaded edited your footage on the 240fps sequence and you had already doubled, trippled or whatever any of the frames where you changed the duration of the clip so it will look fine when you move it to a 24fps seq after any time changes were done in the 240fps sequence.

Z

zman5874

Participant

I believe what you are wanting is a program like imovie for apple. this video is a very good example of what it does and it does it for 120 fps http://youtu.be/A-Xbtbs0yZc . I've been trying to find the same thing for PC also, but to no avail. everything I find wants the video converted to 30 fps or less first, but I want to be able to edit the 120 fps file before conversion like in the clip above.

Q

Qengineering

Inspiring

Um, that video is not playing 120fps in real time, it is "conformed" to a slow-motion rate.

You can accomplish the same task in PrPro by right clicking on the clip in Project, Modify, Interpret Footage and change the frame rate to "Assume this..." and set it to your sequence frame rate.

If you want to view 120fps at real-time and not skip any frames, you will need a software player, video card and display all capable of 120Hz refresh rates.

Good luck with that, and let us know if it was worth it.

E

excited_Genie16B8

Legend

display capable of 120Hz refresh rates.

There's the rub. I've never seen a computer monitor that goes over 60Hz. And even when a TV can go to 120Hz, it's a special mode that's doubling the normal 60Hz signal, it's not something that the TV is taking in at 120Hz.

The point of 120 fps is slow motion. It'd be very difficult to see the full 120 frame rate, so what's the point of worrying about it? You shoot 120 to slow it down, If you don't want to slow it down, don't shoot 120.

Easy, done.

jdstoo

Participant

The solution, as the OP was trying to ask, is for Adobe to create or allow the creation of higher framerate sequences. If you can create a 120fps sequence, you will not drop any frames and your footage will play back as it was shot. You can then use any of the tools available in PP or AE to do as you please with it.

Steven L. Gotz

Inspiring

That makes sense, I suppose. But what players can play back video at that frame rate? I imagine there must be some, but how many and how commonly are they deployed? As stated above, usually 120 fps or 60 fps is usually shot that way to take advantage of the improved slow motion when played at "normal" frame rates.

I am not saying that Adobe should not make it possible for one camera, or even a few cameras, to be able to record twice or four times the frame rate of the rest of them, and still play it back at the native frame rate.

I am saying that Adobe has finite resources and the actual need to edit it that way is limited by the fact that nobody could actually play it back that way. You could always put in a feature request. Eventually, if enough people do so, the engineering resources could possibly be applied to the problem.

But again, if film is 24 frames per second, most video recorders use 24, 25 or 30 frames per second and even my camera can record 59.94 frames per second, the human eye isn't really going to be able to take advantage of something with a frame rate twice as high is it?

https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform

artofzootography.com

jdstoo

Participant

I know this is an old thread but if you want to see what's really happening when you drag high framerate footage into a lower framerate sequence, take a look at this video, http://www.youtube.com/watch?v=W_ry1YAwcIM. Personally, I think frame dropping isn't an acceptable answer to your question so I'm glad you came here to ask about it. Maybe someday Adobe will see the value in being able to render higher framerate footage at its native speed without dropping frames.

Steven L. Gotz

Inspiring

How would that be possible? If I shoot 60 fps and put it on a 30 fps timeline, what should the program do? It sees 60 frames and tried to stuff them into one second. All it can do is drop frames. It can't display to frames in the time that one frame is normally shown. The players would not know how to deal with a variable frame rate video.

artofzootography.com

K

karl_byrne

Participant

Yep it will, 59.94.

Not sure if it did the same with the 120fps of the hero 2. would assume it would.

My question is that if i drag in the 120 fps right interpet the footage to 30fps, am i doing this on the 120fps or is premiere dropping 60 frames and doing it to the 59.94 fps?

cheers

SteveHoeg

Adobe Employee

Premiere Pro's renderer is framerate agnostic, don't let the lack of sequence presets stop you. Dragging a 120fps clip to the new sequence icon and internally it will be treated as 120fps.

shooternz

Legend

I am not convinced that the OP actually understands framerates and so maybe he is under the misbelief that he needs to match his camera framerate to a sequence framerate.

It seems more likely that a 1st time poster with a new camera..is more likely to be wanting Slo Motion.

A good link to how slo motion and framerates interact might be helpful to him. (Wish I had one for him)

Then again...he might really , really want his footage in a 120 fps sequence. ( But that would be a first around these parts)

Steven L. Gotz

Inspiring

I suggest you ask the folks at Cineform support for recommendations on editing that footage. They may have a way to deal with it in Premiere Pro. My guess is that you shot at 120 in order to slow it down. Perhaps at some point in the conversion process to the Cineform codec, the Cineform software deals with it. I don't know. I don't have a GoPro camera.

If anyone knows, Jake at Cineform will know.

artofzootography.com

D

Dave Merchant

Legend

At the moment there's no realistic broadcast distribution mechanism for 120p footage, so the only reason for recording in 120p is to play it back in slow-motion or to extract still frames. You can play 120p clips at 'full speed' on a computer (e.g. with Quicktime) but you won't actually paint all 120 frames a second to your screen unless you're on a beast of a machine.

The Hero3 writes its 120p footage at 119.880fps so when you drop it into Premiere Pro it will create a sequence with the highest NTSC frame rate it can handle, of 59.94fps*. That automatically gives you a 2:1 slow motion effect, if you want to play at normal speed you have to sacrifice half your frames (by setting the clip speed to 200%). The only problem with all this halving and doubling is that your audio track will be chewed - it's pretty unimaginable that anyone would want to keep the audio channel from a 120p clip, but if you do, it's best to pull it out as a separate file. Audition CS6 can import 120p video references and plays them at full speed so it's easy enough to slice apart.

*Interestingly, After Effects also has an import limit of 60fps but will reinterpet to 99fps if you ask nicely. It won't go to 120.

For those who care, here's a specs dump for a Hero3 720/120p file:

Video

ID : 1

Format : AVC

Format/Info : Advanced Video Codec

Format profile : High@L4.2

Format settings, CABAC : Yes

Format settings, ReFrames : 1 frame

Format settings, GOP : M=1, N=15

Codec ID : avc1

Codec ID/Info : Advanced Video Coding

Width : 1 280 pixels

Height : 720 pixels

Display aspect ratio : 16:9

Frame rate mode : Constant

Frame rate : 119.880 fps

Original frame rate : 29.970 fps

Color space : YUV

Chroma subsampling : 4:2:0

Bit depth : 8 bits

Scan type : Progressive

Bits/(Pixel*Frame) : 0.281

Title : Ambarella AVC

Audio

ID : 2

Format : AAC

Format/Info : Advanced Audio Codec

Format profile : LC

Codec ID : 40

Bit rate mode : Constant

Bit rate : 128 Kbps

Channel(s) : 2 channels

Channel positions : Front: L R

Sampling rate : 48.0 KHz

Compression mode : Lossy

Title : Ambarella AAC

A

Anonymous

>>"I've never seen a computer monitor that goes over 60Hz."

120Hz monitors are popular among high-end video game players. There are more than a dozen models avaialble:

http://www.blurbusters.com/faq/120hz-monitors/

>>"At the moment there's no realistic broadcast distribution mechanism for 120p footage"

Good news! The web is now a potential 120fps video distribution medium; and some computer users use 120Hz computer monitors now. There is now a way to speed up 120fps slow-motion to 120fps real-time, and it was recently discovered that all the popular web browsers (Internet Explorer, Chrome, and the new FireFox 25+) using the <VIDEO> element are now capable of playing back at 120fps in real time on a 120Hz computer monitor:

http://www.blurbusters.com/faq/real-time-120fps-video

In general, any machine capable of playing back 1080p@60fps, is easily capable of playing back 720p@120fps. Both are pretty similiar bitrates.