Originally Posted by
superangrypenguin
Noise cancelling headphones as mentioned by me on here earlier do not work great against middle to high pitch noises, only low noises of the same frequency.
To counter this, you need earplugs in the ears and then noise cancelling headphones

They are noise cxl. Not all sound cxl. You are still supposed to hear voices albeit muffled.
But noise cxl plus earplugs sure beat earplugs only. I never use those anyways