this seems to be the same psychoacoustic effect as after some sudden tinnitus onset with partial hearing loss. the loss of certain high frequencies acts like th

this seems to be the same psychoacoustic effect as after some sudden tinnitus onset with partial hearing loss. the loss of certain high frequencies acts like the successful wave cancellation, the high tinnitus replacing certain frequencies acts like the feedback squealing. it also feels like in an airplane or elevator. if low frequencies are affected, the relative to common experience too loud high frequencies feel like hissing. both are extremely unpleasant.