Beta for godix Guide to Trailers

General discussion of Anime Music Videos
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madbunny
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Post by madbunny » Sun Feb 13, 2005 7:14 pm

In your little chart, your GODIX example video is at the lowest point in both quality and sync. The newbie trailer, by looking at this example is already far superior to it. Is this part intentional, or just normal?


Honestly, if you really want to quantify this you should include the proper math along with it.
------------------------
The final x momentum in each case must equal the initial x momentum, since momentum is conserved. Therefore, the final x momenta are equal to each other:
P'x + (h sinA) / L' = P''x - (h sinA) / L''
If A is small, then the wavelengths are approximately the same,
L' ~ L" ~ L. So we have
P''x - P'x = dPx ~ 2h sinA / L
------------------------
Since dx = L/(2 sinA), we obtain a reciprocal relationship between the minimum uncertainty in the measured position, dx, of the electron along the x axis and the uncertainty in its momentum, dPx, in the x direction:
dPx ~ h / dx or dPx dx ~ h.
For more than minimum uncertainty, the "greater than" sign may be added.
Except for the factor of 4pi and an equals sign, this is Heisenberg's uncertainty relation for the simultaneous measurement of the position and momentum of an object.
-------------------------

I would strongly recommend that you apply these calculations to your wave form at the precise point of 'clang', on the soundtrack as defined by your earlier statement (1)

Having done this very simple exercise for each and every single point in the soundtrack that you need to work on, you can pretty much guarantee either
A) that you will ascend to the ultimate hights of geekhood, or
B) that maybe precision can be taken a little too far for a hobby.
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greenjinjo
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Post by greenjinjo » Sun Feb 13, 2005 7:42 pm

madbunny wrote: The final x momentum in each case must equal the initial x momentum, since momentum is conserved. Therefore, the final x momenta are equal to each other:
This doesn't necessarily have to be true. Using the conservation of mass and energy, E^2 = (pc)^2 + (mc^2)^2. Just as long as the initial and final Energies are equal, all is good. This is, of course, in a relativistic setting.

In other words if the initial momentum is less than the final momentum, the initial mass of the video must be greater than the final mass, since c is a constant.
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Voices_Of_Ryan
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Post by Voices_Of_Ryan » Sun Feb 13, 2005 9:35 pm

godix wrote:Now you may be wondering how exactly you sync to the sound. Examine the following timeline closely:

Image

See that bit right where the marker is? If you listen to it you're hear a heartbeat. Now comes the tricky part so pay attention, SYNC TO THE GOD DAMNED SOUND. You can play with colorspaces, convolution kernels, bump-mapping, or insert a blinking neon sign that says 'Look at me, I'm a sound sync'. I don't care what you do to sync it but do something. Understand now? Good.
ROFLS...
ROFLS...
ROFLS...

The terrible truth is, I suck at action sync, so I decided to make Original trailers

:P

ROFL...
"hey... no"

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Voices_Of_Ryan
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Post by Voices_Of_Ryan » Sun Feb 13, 2005 9:41 pm

Deep Blue
Image

I wish I had kept the ones for Prescott and Hallucinations, but needless to say they were far bigger than this. Though I did think it might be interesting to see it in comparison. Afterall it's trailer making.
"hey... no"

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madbunny
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Post by madbunny » Sun Feb 13, 2005 9:43 pm

greenjinjo wrote:
madbunny wrote: The final x momentum in each case must equal the initial x momentum, since momentum is conserved. Therefore, the final x momenta are equal to each other:
This doesn't necessarily have to be true. Using the conservation of mass and energy, E^2 = (pc)^2 + (mc^2)^2. Just as long as the initial and final Energies are equal, all is good. This is, of course, in a relativistic setting.
Good point that.

Unfortunately, I think that what we are forgetting is that if we are going to be working with roots of any kind that all root solutions also have a negative answer. (example, 2x2=4, and (-2)x(-2)=4, therefore the square root of 4 is both 2 and -2.)

R = h
. 2pcm

where R is the range of the force and m is the mass

I suppose that it's possible that someone could produce a video with a perfect sync of negative energy. This could be catastrophic of course.

Fortunately the formula for decay at the quark level if it is given by the process

p -> n + e+ + n.

meaning that we should be safe in the event that someone actually creates a dbz/park video using this technique.
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Jebadia
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Post by Jebadia » Sun Feb 13, 2005 9:44 pm

I'm learning that audio editing in premiere is turning out to be bothersome, premiere tending to create several pops and snaps in the audio :\
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Voices_Of_Ryan
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Post by Voices_Of_Ryan » Sun Feb 13, 2005 9:46 pm

Jebadia wrote:I'm learning that audio editing in premiere is turning out to be bothersome, premiere tending to create several pops and snaps in the audio :\
We also use Audacity (Sp? Scintilla?) for the several Mic-Techs.
Not to mention volume reductions threw several programs and mp3 transformations with WinLAME.

Premiere is a good audio tool, with a bit of imagination and some outside programs (cheap, or free).
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tuathaanwarrior
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Post by tuathaanwarrior » Sun Feb 13, 2005 10:49 pm

WTF... I came here to escape doing physics hw, and what do i find???!!!!

This made me lose all motivation to ever make a trailer in the foreseeable future...

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madbunny
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Post by madbunny » Sun Feb 13, 2005 11:14 pm

tuathaanwarrior wrote:WTF... I came here to escape doing physics hw, and what do i find???!!!!
This made me lose all motivation to ever make a trailer in the foreseeable future...
I'm just helping out here.
Otohiko wrote:It needs to be more technically-complicated. I mean, come on. You need at least one or two passages about colorspaces, convolution kernels, and bump-mapping to make the neophytes whine for a "dummies" version :roll:
All in fun. After all, it was Godix that started this by having a one sentance guide for doing trailers on the first place.. :P

If you actually start doing physics type calculations to make videos, then you need to lighten up a bit...
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badmartialarts
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Post by badmartialarts » Sun Feb 13, 2005 11:24 pm

Physics-type calculaitons don't make AMVs, they make WinAmp visualizations. Oh wait, never mind....
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