You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Whispering produces a sound of: and explain in detail?
Sound levels of some noises: Whisper: 20-30db Normal conversation 60-70db Mechanical damage; 150-160db Acceptable noise levels: expressed in db (A), sound pressure levels conforming to weighing curve (A) acceptable noise level < 85dbAuditory fatigue > 90 dbPermanent hearing loss > 100 dbTympanic membrane damage > 160 db. Environment Place Acceptable noise level Db (A) Residential Bed room 25 Living room 40 Commercial Office 30-45 Conference 40-45 Restaurants 40-60 Industries Workshop 40-60 Laboratory 40-50 Education Class room 30-40 Library 35-40 Hospitals Wards 20-35