Definitely deaf!
You're really getting on a bit
You are either old or have really messed up your hearing by turning your amp up to 11 and listening to Spinal Tap. Or both.
The highest pitched ultrasonic mosquito ringtone that I can hear is 8kHzFind out which ringtones you can hear!
I had to have my speakers up to full volumn to hear even that! But I lost the upper range in one ear and the lower range in the other when I was very little. I sometimes wish I could afford hearing aids because I'm getting just as tired of saying "Huh?" as folks are of having me respond that way.