Have you recently experienced difficulties in hearing or understanding? Or have you always had hearing problems? Find out how to recognize the signs of hearing impairment, and when it makes sense to seek out a hearing aid. You can also find out whether you need a hearing aid for both ears.
This delay is sufficient for the brain:
It uses the timespan between the arrival of the sound wave in the two ears to calculate the direction of the sound. The direction a sound is coming from can only be reliably determined with two healthy ears. If you’re finding it difficult to work out where the sound of a ringing phone or crying child is coming from, it may be the first indication of hearing loss.