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waves
6 months ago
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15. waves
6 months ago
Mesmerizing slowdowns of water waves during a light storm. Putting software slowdown to the limits and well beyond ;-)
WARNING: Do yourself a favour and download the M4V version at the bottom right of the page, that is already a not too good recompression but the vimeo recompression above looks UGLY
I used optical flow interpolation to slow down the waves to a standstill. Interpolation of the about 40 seconds of original footage (~140Mb) took me 46 GBytes (!!) of intermediate files (not counting the several times Motion had to re-do the analysis due to a bug, involving another 70Gb).
BTW the intention was to slow down the audio just as the video. However, no audio program that I'm aware of is capable of taking smooth motion curves to re-speed audio. What you hear is a very very rough approximation to that. If anyone knows how to do this right, please let me know!
WARNING: Do yourself a favour and download the M4V version at the bottom right of the page, that is already a not too good recompression but the vimeo recompression above looks UGLY
I used optical flow interpolation to slow down the waves to a standstill. Interpolation of the about 40 seconds of original footage (~140Mb) took me 46 GBytes (!!) of intermediate files (not counting the several times Motion had to re-do the analysis due to a bug, involving another 70Gb).
BTW the intention was to slow down the audio just as the video. However, no audio program that I'm aware of is capable of taking smooth motion curves to re-speed audio. What you hear is a very very rough approximation to that. If anyone knows how to do this right, please let me know!
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Slowing and speeding could be easily replicated. You would have to create a separate clip region and reverse it for the times when you reversed the video, though.
Though many programs can ramp audio speed, I have *smooth* speed curve, and that's where all problems fail. Are you sure Cubase can handle that smooth curves? I talked with an expert Cubase user recently and he did not believe that that was possible... but maybe he just did not know how to get the curve from Motion into Cubase
Here, I made two screenshots showing how you could do such a thing:
- thehappyplanets.com/bucket/shiftcurve1.png this is showing what you would click to get there.
Right click the region, go to Process and choose Pitch Shift.
- thehappyplanets.com/bucket/shiftcurve2.png Here are settings you would use.
The middle square curve button gives the smooth curves that are like what you used in motion. The Range setting is how much the audio will be shifted. 12 semitones = 2x. Checking the Time Correction box would allow you to change the audio duration without changing the pitch.
This all said, I'm pretty sure the time remapping curves within Adobe After Effects also effect the audio... not sure!
Hope this was helpful.
And if you ever need a new expert Cubase user... send me a message! ;)
I first thought that Motion would do the speed change, but it works only with constant speed, not when you apply a curve...
Process it with your curve once. This would leave it at 2x at it's slowest point.
Do it again, same exact settings. This would leave it at 4x.
Do it one more time, same settings, leaves you at 6x.
For something like your waves video it would take a lot of math and taking note of exactly where your curve points are... huuuugely tedious!!
For a slowdown or two this could be a totally feasible option, but for something as intricate as your waves video, I don't think this would be worth your time.
It may, however, be worth the time to check out After Effects. Also, maybe check out the time remapping plugin "Twixtor". I've never used it, but it has some advanced options which may be helpful for you.
This method isn't what you were looking for, then.
Oh well!
And would it still be useful to check out Twixtor and After Effects?
Superbe vidéo Bravo !
Beyheef
You wrote (as a clip request, I guess you're new here):
Your video is a beautiful shortens!
Hence you get this wonderful idea?
I was seeing that storm and was amazed about the mixture of very fast and very slow movements in it. Tried to amplify those various aspects (the color-coded part at the end is the most extreme approach that I could think of)