Jiri I simply chose hdv because it gave me the correct frame rate and 720p resolution.
Also the 7D record in h.264 mov files. Not AVCHD.....where did you get this information?

Here are the settings in premiere from HDV 720p25
Video Settings
Frame size: 1280h 720v (1.0000)
Frame rate: 25.00 frames/second
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)

If these are incorrect or there is a better format to use please inform me.

On a final note my render had some bad artifacting due to compression and I haven't had time to re-render. Hence the coffee cup at 1:33.

HDV may have same resolution and framerate, but the way Premiere handles HDV and AVCHD is totally different.
I am gonna level with you-the settings you should have used for your sequence is as seen here:
capajs.ic.cz/images/lame.jpg

And for the 7D recording in h.264-that is essentially AVCHD. Look here:
en.wikipedia.org/wiki/AVCHD#Specifications
AVCHD is new industry standard-there was DV, then HDV and now it is AVCHD.
Canon doesn't label his HDSLRs with AVCHD logo, don't know why, maybe it has to do with using MOV files instead of MTS files like AVCHD normally does. But MTS or MOV is also just a name, what matters is the compression algorythm used-which is in our case H.264.
It should work much better when using AVCHD settings. Try it and let me know, if you don't mind.

Jiri thank you for backing up your claims with useful information. I'll give it ago.

Wow Jiri no need to post like an arogant dick mate. There is constructive feedback and there is raging like a hormonal teen. Save the attitude for youtube.

Sorry, sometimes I am a little cruel in the discussions on the net, but hey-the life is cruel. I am just compensating for my high school years when I was total outsider and a cloun.

And there is nothing more boring than a discussion where everyone is as polite as english gentleman in victorian age. Discussion where even implying anything negative is missing. I just hope I don't get banned on Vimeo, because I love it so much.

And to be frank-it looks like no one on the net knows, that 7d footage is very simillar to AVCHD.
Peace out!

this works well but what if you have 60p footage and have it on the timeline and want to conform it to 23.976p ?? do you just right click on the clip (on the timeline), click on 'speed/duration' and type in '60.04%' is that right or wrong ?? i say this because your method is good if you want the whole clip slowed down, but what about clips that have been cut and put on the timeline.

Sorry to take so long to reply Marty. Yes using the speed/duration will also work. Providing that you are rendering/working at 24fps/25fps. I'm not an expert but I alway think the best way to see is to try it out.

I always thought the presets were just quick setups for your footage? i.e. HDV 720 25p & AVCHD 720 25p would essentially be exactly the same?

I've been using AVCHD 720 25p (and 50p) for my 7D footage, and it seems to work fine. However, I'm still trying to work out why some slowed-down footage shows with stuttered frames (when slowed down to 50-80% and nothing less).

I changed the project settings between both HDV and AVCHD 25p and I get the same thing. Perhaps it's just a rendering/previewing issue?

I've forgotten what the program is that Philip Bloom uses for slowing down footage, but it's a 3rd party for FCP I believe... not much use in Premiere.

Yeh I always thourght they were the same aswell but Jiri thinks otherwise, but both work fine for me.

I'm not sure why you would be getting stuttered frames. You have to remeber that film is just a sequence of photos 25 photos/frames a second. Depending on what you shot and are editing in. When you slowdown your footage in premiere it just stretches/doubles frames from your footage to give the appearance of slowing it down. In the tutorial this is why I use footage shot at 50fps and then slowed down by 50% to 25fps this way its still a viewable frame rate. When slowing down footage from 50fps by 80% you get a frame rate of 10fps. This will look very jerky and is probably the issue.

Unless its part of a rolling shutter issue with your footage, but this should be recognisable from the footage anyway.

It could also be a rendering issue with your computer not having enough ram to process it all. Try not to touch or use your computer while its rendering, it can cause corrupt renders and crash.

As for Mr Bloom he uses cinema tools which comes with final cut studio suite to change the frame rates. He has a tutorial on his website.

Best of luck.

Thanks for the quick reply mate!

What I meant was slow to 80%... so effectively 40fps?

I think it must be rolling shutter... not sure what shutter speed I was shooting at. But for 50p, I'm guessing 100 would be ideal?

yeh shooting at 50p shutter speed around 100 should be fine. I normally try and stick around 100 when shooting with any video mode 1080p or 750p. Beacuse if you have any movement in your shot it'll be choppy if the shutter is just around 30 - 60. Yes sorry for my confusion slowing to 80% will make your frame of movement around 40fps but like i saide premiere will then stretch this to original 50fps or down to 25fps by ethier cutting frames or doubling frames.

Also you have a nice showreel!

Yeah I'll look into it, play around a bit. I've only used it for a few things here and there so far, but once I've got my Z-Finder from Zacuto (shipping as we speak), and once I've worked out how to get around the overheating issue (after 20min) I'll be using it for everything -- ESPECIALLY low-light. I shot a friend's wedding on it, and the 7D saved my arse.

Have you found issues with overheating?

Thanks heaps mate! Now that I've had the busiest few months of my life, I should probably update it! Had a look at your videos too, some very funky stuff there, keep up the good work :D

Thanks, I havn't had any over heating problems though I havn't been shooting as much as I want with my 7D anyway. Z-Finder would be awesome but as a new graduate, the money was just not worth it so I started making my own loupe instead. Good luck with all the work I'll be keeping an eye out for more good stuff :-)

Looking at the descriptions I find actually no real difference between the HDV 720p-preset and the AVCHD 720p preset. Frame size, rate, PAR, fields, they are all the same.

And since Premiere uses the files natively and doesn't transcode them prior to usage I don't expect to find hidden things that would separate them other than that one is named avchd and the other hdv in the description.

Why would they then have too of the same with different names? Well, to be frank, a lot of editors are lazy and don't take the time to actually find out what is needed for their cameras, so it's for ease of use. You got an AVCHD camera? then you look in the AVCHD presets. The only price is a slight redundancy in presets.

I normally wouldn't even bother to write about this but Jiri's comment felt so rabid and rampant that I had to take a look for myself.

Now of course, if Jiri can provide with something to back up his claims I'll back off on this point.

Then on the shutterspeeds, rule of thumb is that shutter should be open half the time of your frame-rate. aka the "180 degree shutter"-rule from the motion-film-cams. (not to be confused with the 180 degree camera placement rule). This means 1/48 shutter for 24fps acquisition and 1/120 shutter for 60 fps acquisition. If you go slower than that, say 1/24 for 24fps, you get video-look-smearing. And faster becomes more stuttering. Though when doing slow-mo, it's most often desirable to go even faster on the shutter if lighting permits.

And when just changing framerate from 50 to 25 fps I would not expect added stutter if all you do is making sure that all of the aqcuired frames are playing on a frame by frame basis. And doing it with Interpret footage would seem safer for that reason. Otherwise, with the change speed dialog you would either have to guess the percentage for a frame by frame playback or calculate the new runtime in other ways and inserting it there. Using Interpret Footage would take care of these calculations for you. But if Jiri can back up his claims I'll gladly listen and back off.

Johan Thanks for great comment and clearing the air with with many of the things I wasn't sure about.

hey man thanks for the vid. so do you not transcode the raw footage before editing? also the software 'Shark Eats Bear' was talking about is called cinema tools (i think) but does this method achieve the same results?
cheers

Hey andrew, I didn't bother to transcode my footage as I'm a little bit lazy. Though it would improve your video quality when you go to export it again (not sure how much though), I just don't have enough room on my computer for it. The transcoded footage will end up being much larger then your original files. Premiere handles the h.264 files with out to much hassle. This will achieve the same results as cinema tools and is easier as well.

thanks. I was in need of this little tip for a project i'm shooting tomorrow. cheers

thnx,, i learn a lot from this discuss
btw great video mate.. cheer

This is very helpful video. I've just tried this method in CS5 with raw 7d footage and it works perfectly. So much easier than trying to create separate files and conform using cinema tools!

Glad to head its works well with cs5 can't wait to start using it to edit vids :-)

Great vid Luke, thanks for posting. I'm quite new to this so I hope my question makes sense.

I'm shooting a video with a mate mainly at 1080p 24fps. We'd like to use some slo-mo shots which would be at 720p 50fps (converted to 24fps).

When I start editing do I set the movie up to 720p and scale down the 1080p footage or the other way round. Or is this just a matter of preference?

I noticed in your video you've slowed it down to 25p, is it possible to slow it to 24p? As the 1080p footage will be shot at 24fps to get that 'film look'.

Again, hope i'm explaining myself properly (I hope Jiri doesn't see this).

Thanks,
Josh

Hey Luke,

I'm directing a music video and we're shooting on 7D. We'd like some stuff to be at around 33fps. So if I shoot everything at 50p, I can bring it back to 33 without problems? Also, if I shoot 50p on a shot, but want that shot to play back at normal speed (25p), it look the same as if I shot it at 25p in the first place (effectively by taking every second frame)? Cheers mate

I had had a lot of heartache trying to produce slomo clips until I stumbled on your entry. Your tip is so simple yet so effective. Like folks around here will salute, "Twale!"

Any suggestions for exporting the footage? I am having some trouble in this category. Is it just best to have H.264 with the Vimeo HD preset? Is there anything else to change since we shoot on DSLR?