The opposite of hearing sound would be making sound. The word speaking is more closely the opposite of listening.
If it's someone who has full hearing they are called hearing. If they have little hearing or are lossing their hearing they are called hard of hearing.
I was hearingWe were hearingYou were hearingHe/she/it was hearingThey were hearing
Hard of hearing refers to having some degree of hearing loss that may make it difficult to hear sounds clearly or at typical volumes.
It is important to use clear speech when communicating with someone who is hearing impaired.
The past tense of the verb "hear" is "heard". If you mean the word as in, "My hearing is quite good," the word is a gerund in that case, and has no past tense. The compound auxiliary verb progressive "be hearing" has the past tense "was hearing", perfective "have heard" has the past tense "had heard", and progressive-perfective "have been hearing" has the past tense "had been hearing".
the answer is hearing.
Full hearing
The opposite of ultrasound (above the human hearing range) is infrasound (below the human hearing range).
Hearing
Ultrasonic. The opposite would be infrasonic.
Some of the hearing disorders areConductive hearing lossSensorineural hearing lossNoise induced hearing loss
how does bats hearing compare to human hearing
If it's someone who has full hearing they are called hearing. If they have little hearing or are lossing their hearing they are called hard of hearing.
éisteacht = hearing
a hearing about the markmann
hearing
it is a hearing for fairness