First off, Thank You! Here is a quick update, you all are helping me focus my efforts.
What type of Smartphone:
65% iOS, 27% Android.
What time of day are you most aware of unwanted sound:
37.9% Evening, 34.5% Afternoon
What type/s of noise do you find most distracting:
Impulsive (e.g. a sudden burst of noise) 55%
More to come on how I am incorporating this feedback into the development, and engineering work.