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 In noise-induced hearing loss, audiogram shows a typical notch at and explain in detail?
Audiogram in NIHL shows a typical notch at 4000kHz, for both air and bone conduction. (Ref: Diseases of EAR, NOSE AND THROAT by PL DHINGRA - 6th Edition)