Quantcast AJA Lhi works, but grainer than old slide film? - digitalFAQ Forum
  #1  
11-26-2021, 12:21 PM
waloshin waloshin is offline
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AJA Lhi works well, but is grainer than old slide film will upload a sample today. I am thinking because I am running the S-video though a Black Magic Analogue to SDI adapter this is introducing noise possibly?
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  #2  
11-26-2021, 12:59 PM
latreche34 latreche34 is online now
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Higher details reveal more noise, If you want washed out details with dull looking picture you can achieve it in post. If your VCR/Camcorder has DNR use it and see how it looks.

https://www.youtube.com/user/latoak34/videos
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11-26-2021, 01:24 PM
waloshin waloshin is offline
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Quote:
Originally Posted by latreche34 View Post
Higher details reveal more noise, If you want washed out details with dull looking picture you can achieve it in post. If your VCR/Camcorder has DNR use it and see how it looks.
That could be.


Attached Files
File Type: mov AJA.mov (59.69 MB, 11 downloads)

Last edited by waloshin; 11-26-2021 at 01:40 PM.
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11-26-2021, 02:24 PM
msgohan msgohan is offline
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Looks good to me apart from some motion trailing, I assume caused by VCR temporal DNR.
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11-26-2021, 04:08 PM
dpalomaki dpalomaki is offline
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^+1. First be careful where you post this lest the SPCA or PETA come after you for dog abuse .

I do not see any unusual grain in what I downloaded. But what is the source material. How was it shot, processed and played prior to capture?

FWIW: the scene could be low light, and many camcorders added a lot of gain to form imges which could result in sensor pixel thermal noise/slightly different dark currents becoming visible as a grain, often a fixed grain pattern.
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12-06-2021, 08:43 PM
waloshin waloshin is offline
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Quote:
Originally Posted by dpalomaki View Post
^+1. First be careful where you post this lest the SPCA or PETA come after you for dog abuse .

I do not see any unusual grain in what I downloaded. But what is the source material. How was it shot, processed and played prior to capture?

FWIW: the scene could be low light, and many camcorders added a lot of gain to form imges which could result in sensor pixel thermal noise/slightly different dark currents becoming visible as a grain, often a fixed grain pattern.
Haha the source is 101 dalmatianson VHS. Played through a JVC 7900U then a AVT 8710
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