3 ms·
https://www.szynalski.com/tone-generator/ https://www.szynalski.com/tone-generator/ I'm 38 and I made it up to almost 20khz before I couldn't hear a tone.
by schwartzworld 6y ago
https://www.szynalski.com/tone-generator/ https://www.szynalski.com/tone-generator/
I'm 38 and I made it up to almost 20khz before I couldn't hear a tone.