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Old January 13th, 2007, 03:48 PM   #1
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GS500 Grainy Even In Bright Light

Hello,

I noticed a lot of graininess (temporal noise) in the videos created by my NV-GS500 camera. While the problem is most obvious under low light and high gain, it fails to dissapear even under direct sunlight when the gain is 0db and the exposure has to be reduced.

Questions:
- What can I do to get perfectly crisp, non-grainy pictures with this camera?
- Is this sort of graininess present in professional DV cams?

Thanks.
Seun Osewa is offline   Reply With Quote
Old January 13th, 2007, 06:54 PM   #2
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Hi Seun,

I have no experience with your camera. I own a nv-gs400 camera and the time I notice grainy is in automatic mode with dark scene. If I set to manual mode and I control the light, in sunny mode, it is very good to my eyes and I can't find grainy.

Do you mind post a photo to show the grainy screen capture?

TIA

Regards
Leigh
Leigh Wanstead is offline   Reply With Quote
Old January 13th, 2007, 08:19 PM   #3
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Seun,
Your issue is not normal. You should have crisp, high resolution images in bright light.
Guy Bruner is offline   Reply With Quote
Old May 18th, 2007, 12:27 PM   #4
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I agree - sounds as if you have a problem Seun.

Try and do a side-by-side comaprison with another DV cam - it doesn't matter if it's a Sony or JVC or Canon. Shoot the same target, swapping the tape between cameras. Tell the microphones which camera is recording the scene, and have them all in the auto mode - preferably on tripods.

On a good TV, view the results. The GS500 should give you absolutely grain-free results at 0dB. Check that this is so by having the meta-data up on screen when you replay the tape.

Then come back to us.

tom.
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