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Raw or JPG - Digital Noise with the Canon 7D at 3200 ISO

Yesterday, I showed a series of full-sized cropped images at 1600 ISO to show that Adobe Camera Raw 5.5 adds digital noise to Canon 7D Raw files.  Well, it is even more obvious at 3200 ISO.
The above image was shot with the Canon 7D using the 17-55mm EFS lens, f/5, 1/15 second, @ 3200 ISO.  [...]

Raw or JPG - Digital Noise with the Canon 7D at 1600 ISO

In each case, the image created by Adobe Camera Raw 5.5 displayed more digital noise than the Canon 7D JPG and the DPP generated JPG.

Canon 7D Tips - Camera Raw 5.5 Noise & DPP - Part 2

A few readers had some questions about the Digital Photo Pro (DPP) settings used in Part 1. As I stated in my previous article, I used the default settings in DPP.

Canon 7D Tips - Camera Raw 5.5 adds noise to Raw Files - Part 1

I expected some differences in color processing. What I did NOT expect was Camera Raw adds noise to the RAW files!