No mention of noise cancelling here - http/www.pcgameware.co.uk/reviews/headsets/steelseries-9h-headset-review/
But they don't like the software - "Certainly don’t bother with the Dolby Headphone switch either as that poor sound just gets worse! "
But they still say "There’s is no doubt that the SteelSeries 9H is one of the best headsets tested by me in recent months, it sounds great and it’s extremely comfortable. The issue is likely to be the price and the fact that one of the accessories needs to be left in the box…"