Yep! Don't mess with reducing NR. Just try the profile as is.
I agree. This mode is for external recording. I see color artifacts no matter what the settings are internally.
In-camera video noise reduction is a trade-off between preserving original image details versus introducing spurious digitization artifacts. The sensor sub-sampling process will inherently reduce the contrast of fine details while adding aliasing artifacts. Both types of detail are best preserved by setting NR to minimum, as long as the H.264 encoder has enough bitrate. With highly detailed images, if the encoder runs out of bits, it may introduce additional macroblock compression artifacts. This can be avoided by raising the NR setting just enough to smooth out the sharp edges of the aliasing artifacts, without blunting the edges of genuine details. You can often judge the optimal amount of NR by boosting the gamma of shadow footage and examining the noise granularity. If the shadow detail looks blocky or ragged, you probably have either too much NR or not enough bitrate. Ideally, you want to preserve as much fine-grained, undersaturated shadow detail as you can, and use noise management tools to maximize its image quality in post.
What step is not working?
