Earlier quoted context omitted.
>Yes, you can use noise cancelling headphones but: >2. They don't really block all the noise and you live in anxiety waiting for that one blaring ringtone to squeeze through NC headphones aren't designed to block all noise, only repetitive noise, basically white noise. Other noises, like ringtones, actually are louder or easier to hear on many models of NC headphones, as is speech around you. Noise-cancellation's pur…
I use 3M PELTOR X5A Over-The-Head Ear Muffs with 3M Peltor HY80A Gel Ear Cushions. They are comfortable for long periods of time and block all types of noise. They won't make your work environment completely silent, but I am pretty sensitive to noise and they all me to work in an open floor plan office.
This seems like a drastic measure - do you require complete silence or is your workplace that noisey?