Here's more in the continuing saga of my experience following delivery of my 2022 Model S.
While my impressions are not at all scientific, the first iteration of Active Road Noise Reduction (ARNR) seems very good. It finished calibrating on a rainy day and the difference was noticeable. For me, it produced a more refined driving experience with overall road noise muffled. I suspect its greatest impact is on tire-related noise. I'll be curious to read if others have a similar experience.
Here are a couple of photos showing what to expect as it shows up in your car's audio settings. In the photos you will see its “calibration” vs. “active” modes so you know what to look for.
Since I didn't know what to watch for, I don't know how long the calibration process took. Another unknown is whether ARNR had to recalibrate following my recent system reboot. My impression is that it did recalibrate.
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