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film grain v.s digital noise


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#1 Crell Lee

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Posted 06 April 2009 - 06:02 AM

i am wilder about why film grain is good to someone while digital noise is need to clean,so i have these question,wish someone could help me
1 what subtle difference between grain and noise?
2 In digital world we can fake film grain,and is the fake grain the same to the optical film grain while finally the film is played in digital theater?
3 why some people consider film grain as art and add them in post,is it because of be used to see film movie?
4 Would digital noise be consider as art as film grain do

could you have think about it?

hope your suggest sincerely!
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#2 Colin Malone

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Posted 06 April 2009 - 05:42 PM

i am wilder about why film grain is good to someone while digital noise is need to clean,so i have these question,wish someone could help me
1 what subtle difference between grain and noise?
2 In digital world we can fake film grain,and is the fake grain the same to the optical film grain while finally the film is played in digital theater?
3 why some people consider film grain as art and add them in post,is it because of be used to see film movie?
4 Would digital noise be consider as art as film grain do

could you have think about it?

hope your suggest sincerely!



The major difference I think is film grain is usually black where as digital noise is usually white. But both show up most in the blacks, so digital noise being white in the blacks seems to take away from the blacks significantly. While film grain is like texture, much akin to painting impasto.

Digital noise and even the quality of old VHS tapes and my mis-calibrated TV all have a certain general resonance if you want to call it emotional, psychological, or cultural, that you can invoke. Occasionally I get nostalgic for bad video... like David Lynch's Inland Empire.
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#3 Crell Lee

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Posted 07 April 2009 - 09:26 PM

The major difference I think is film grain is usually black where as digital noise is usually white. But both show up most in the blacks, so digital noise being white in the blacks seems to take away from the blacks significantly. While film grain is like texture, much akin to painting impasto.

Digital noise and even the quality of old VHS tapes and my mis-calibrated TV all have a certain general resonance if you want to call it emotional, psychological, or cultural, that you can invoke. Occasionally I get nostalgic for bad video... like David Lynch's Inland Empire.

thanks you very much,do you think the fake grain made by DI is very like film grain now

Edited by Crell Lee, 07 April 2009 - 09:30 PM.

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rebotnix Technologies

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Willys Widgets

Glidecam

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Metropolis Post

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Gamma Ray Digital Inc

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The Slider

Visual Products

Broadcast Solutions Inc

Tai Audio

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