Tinnitus is a sound or noise someone hears in their ears or head when no actual sound is there. It could sound like ringing, humming, buzzing, rushing or crickets chirping. It can occur without a hearing loss, or it can be a sign you have a hearing loss. It would be best if you talked to a hearing specialist to determine whether you have a hearing loss and discuss how you might manage any annoying tinnitus. Find out more.