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Gary Adcock

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stephen hoyal
Gary Adcock
on May 31, 2008 at 6:37:19 pm

Hi Gary,

I just bought and watched your teach me how dvd on the HVX 200. I have a question in regards to the master ped and detail coring. I have done a few tests. I film with the camera with and without the redrock micro outfit.
Anyway if you plus on the master ped settings then does the noise level go down? On detail coring I would think it is better to go negative on the settings if you want less noise.

All I know is that I want less noise. I like the film look but want the image to be cleaner. Are their any other settings that can be adjusted for less noise.

Thanks,

Stephen


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Noah Kadner
Re: Gary Adcock
on Jun 1, 2008 at 3:49:05 pm

[stephen hoyal] "
I just bought and watched your teach me how dvd on the HVX 200. I have a question in regards to the master ped and detail coring. I have done a few tests. I film with the camera with and without the redrock micro outfit.
Anyway if you plus on the master ped settings then does the noise level go down? On detail coring I would think it is better to go negative on the settings if you want less noise.

All I know is that I want less noise. I like the film look but want the image to be cleaner. Are their any other settings that can be adjusted for less noise.

Thanks,

Stephen"




I'm not Gary but I can tell you the best way to get less noise is to add more lighting to your shots and stop down your f-stop. Also make sure you have gain completely switched off. Nothing beats a good production monitor as well to see what you're getting especially in terms of shadow noise. Gary will hopefully chime in his ideas for you as well.

Noah

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Marcus van Bavel
Re: Gary Adcock
on Jun 1, 2008 at 7:55:13 pm

Also assuming that you have proper lighting and no gain, but you're still not happy with the noise, consider Raylight MXFX which is a footage preprocessor that can reduce noise and rotate the image as well (while fully preserving the P2 contents). The Mac version was recently released. The advantage of preprocessing over a noise-reduction plugin is you are not re-rendering the noise reduction every time you export a cut. See http://dvfilm.com/MXFX











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gary adcock
Re: Gary Adcock
on Jun 1, 2008 at 8:33:05 pm

Hey stephen,

Couple of things first. That DVD was produced using the very 1st gen of the HVX 200 ( I did the initial tests with a prerelease camera) - the later versions and certainly the current 200a model has much less noise and more refined gamma curves than the software in the original camera.

Secondly- I agree with Noah about the light - and a properly lit shot will always show less noise in the shadow areas

However by adjusting the Pedestal settings, as part of shooting with Cine Gamma settings allowed the earlier versions of the camera to capture a slightly longer curve in medium to higher contrast lighting environments without showing as much of the compression (often called mosquito) noise in the areas below 15 IRE

Note that I like to shoot "Film Style" and not "Video Style" so I am used to looking a files that have more headroom in the shadow areas and highlights that appear flat or almost muddy to people that have only shot with off the shelf video cameras. So the difference in appearance of my images with the Pedestal set to -6 or so is always adjusted for in post because I set up my camera and post workflow to support that look.

The Extras folder on the DVD should have stills of a DSC test chart showing the effects of the adjusting the PED settings.


gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows
Inside look at the IoHD




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gary adcock
Re: Gary Adcock
on Jun 1, 2008 at 8:43:15 pm

[stephen hoyal] "All I know is that I want less noise. I like the film look but want the image to be cleaner. Are their any other settings that can be adjusted for less noise. "


however part of the issue is that you are shooting at a piece of ground glass at the back of the RRM unit, and if your DoF is too great you will be seeing the texture of that glass as part of your image- this is a known issue with most of the front of the lens add ons, and that texture on the ground glass is compounded / exacerbated/ exaggerated by the native compression in DVCProHD. ( the Varicam has the same issue with the spinning GG on the PSTechnik unit.

I am a fan on using Negative PED settings to reduce the noise and I know that it is crushing some of my black, but I feel the overall image is superior in quality and I light it accordingly.




gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows
Inside look at the IoHD




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