degree of hearing loss normal hearing mild hearing loss decibel level hl up to 20 db loudness example rustling leaves clock ticking quiet whispered speech clicking fingers possible challenges and needs no hearing related problem 20-45db may have difficulty hearing quiet voices will benefit from hearing instruments may require extra support in school e.g fm should understand normal speech spoken voice from the front and up close would need to use hearing instruments may require extra support in school e.g fm conversation must be loud with hearing instruments should hear normal conversational voice ...