Comment on An Interview with Lola De La Mata about tinnitusparentComments−hatsix2yIn my experience, they're actually playing a super high frequency gradient and it's listening for the echo/feedback. It's how they do hearing tests on newborns too.
Comments
In my experience, they're actually playing a super high frequency gradient and it's listening for the echo/feedback. It's how they do hearing tests on newborns too.