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Slow motions are not same!


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#1 Seyyed Mostafa Ghari

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Posted 12 February 2009 - 01:21 PM

In the of God
----
hello my nice guys
i will be glad if you answer me :)
Have ever seen a football game in TV?
when im seeing a slowmotion live from some stadiums i can see a fresh and transparent slowmotion wich shows details
but in some countries and places there is no obvious slowmotion, it seems frames are less.
i wanna know the real cause.
it deppends on what? cameras? recording? equipment? or anything else?
thanks
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#2 Shubham Kasera

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Posted 12 February 2009 - 01:58 PM

In the of God
----
hello my nice guys
i will be glad if you answer me :)
Have ever seen a football game in TV?
when im seeing a slowmotion live from some stadiums i can see a fresh and transparent slowmotion wich shows details
but in some countries and places there is no obvious slowmotion, it seems frames are less.
i wanna know the real cause.
it deppends on what? cameras? recording? equipment? or anything else?
thanks


well
slow motion is when you capture more number of frames in a second. the normal rate is 25fps incase of video
depends on the shooting mode.
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#3 Seyyed Mostafa Ghari

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Posted 14 February 2009 - 04:28 AM

well
slow motion is when you capture more number of frames in a second. the normal rate is 25fps incase of video
depends on the shooting mode.


tanx bro
but you mean cameras frame set are same and result is not same?
could you explain more?
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#4 Igor Trajkovski

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Posted 14 February 2009 - 08:30 AM

With normal TV Cameras, regardless SD or HD,
shot 50i or 60i ( PAL or NTSC), they would be able
to easy extract smooth slo-mo at 25 or 30fps.

I have also seen some VERY smooth slow footage,
from sporting events and was also questioning my self
this could not be done by slowing regular interlaced recording.

Recently as i became interested in Discovery's Channel "Time Warp"
i searched for info on which cameras they use for the show and
found out on the camera manufacturers sites that
some of their models where used at the Beijing Olimpics.

So i guess other sporting events do use occassionaly highspeed digital cameras.


Best

Igor

Edited by Igor Trajkovski, 14 February 2009 - 08:32 AM.

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#5 James Martin

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Posted 15 February 2009 - 05:22 PM

In a recent edition of ARRI's magazine, I read about a new camera being used for sports (cycling, football etc) which records at about 200fps, will send out a live 25fps signal and keeps the last 30 seconds or so of footage in memory, that way if the station decides it wants to see a slow-motion replay of something that just happened, the camera has saved the footage in its memory.

I can't remember the name of the camera, I could find it if you like.
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