How Everyone can hear at least 30 kHz via Square Waves
How Everyone can hear at least 30 kHz via Square Waves Amplify a 10 kHz sine wave. Switch sine to square wave. Stark difference is immediate. Sine-wave fundamental remains. Added are odd-order harmonics of fundamental, first and loudest of which is 30 kHz. The change from sine to square is accomplished by adding onto the … Read more