What is the risk of noise canceling headphones?
What is the risk of noise canceling headphones? Using noise-cancelling earbuds or headphones in place of hearing protection may cause permanent hearing impairment because these devices do not protect against occupational noise exposure. Using noise- cancelling earbuds or headphones may also distract you and lead to potential incidents.
Is pink noise real?
Pink noise is a sound that contains a random assortment of all the audible frequencies, with more power in the lower frequencies. Specifically, pink noise contains the same overall intensity in each octave. View Source , but the volume of individual pitches decreases by 3 decibels with each higher octave.