An audiogram can be a graph of Listening to thresholds at numerous frequencies in Each individual ear. Thresholds which might be twenty five dB HL (hearing stage) or superior (decrease) are thought of typical for Older people. Noise publicity to begin with affects Listening to most at frequencies about 3000-6000 https://jaidenuelta.blogitright.com/37869038/5-essential-elements-for-veterinary-calming-solutions