Auto Noise Compenstation and color noise

Hi,
I just took a closer look at my Canon 1D Mark III Raw files in Aperture regarding noise at low and high iso.
If I go into RAW Fine Tuning and turn off the "Auto Noise Compensation" I can see much less color noise in dark areas of the photos.
This is also somehow visible at iso 1600, but also at iso 200 if you look especially at the dark areas.
Is this a bug?
I can compensate the color noise a little bit by bosting up the Moire and Radius to maximum in the Raw Fine Tuning.
Thanks
JO

Just having a quick look at this and i no longer see the option. If i find out why i will let you know. I'm sure i have seen it there in the past.
Allan

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I could really do with your help.
I shot a scene in low light conditions so the image is fairly grainy anyway (I shot the scene on an Sony PMW EX3).
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H

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I am connecting to system from my windows vista laptop through putty... I get the following error...
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Passed
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Continue? (y/n) [n] n
User Selected: No
Exiting Oracle Universal Installer, log for this session can be found at /tmp/Or
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system SUNWxwplt X Window System platform software
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Edited by: [email protected] on Feb 11, 2009 5:16 AM

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Auto Noise Compenstation and color noise

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