121.7 decibels
No other than their teacher, who just happens to have the world’s loudest shout. Miss Flanagan entered the record books back in 1994 with a thunderous rendition of ‘quiet!’ The shout clocked up an earth-shattering 121.7 decibels, setting a world record.
Is 4000 Hz high or low?
The 4000-Hz notch is often preserved even in advanced stages. In stable exposure conditions, losses at 3000, 4000, and 6000 Hz usually reach a maximum level in 10-15 years.
How do you check if I can hear properly?
The ReSound online hearing test is a quick way to gauge how well you’re hearing….How the free online hearing test works
- Find a quiet area to complete the hearing test.
- Choose if you prefer to use your device speakers or headphones.
- Make sure the volume is on and set at a comfortable level.
