Helium is much lighter than air, so sound waves move much faster through the gas. This amplifies the higher frequencies in your voice. The gas sulfur hexafluoride works in the opposite way.

Have you ever noticed that your recorded voice sounds different from what you hear in your head? This intriguing phenomenon is because of the unique ways we perceive our own voices. Understanding ...

trumpet the sound from the trumpet comes from a vibrating column of air created by buzzing lips of the trumpeter A sound wave is a longitudinal wave. When an object vibrates it produces a ...

Speaker The audio signal causes the radio speaker's diaphragm to vibrate, which creates sound waves. A sound wave equivalent to the singer's voice radiates from the speaker.

Earthworks Audio is based in New England and is making waves in the microphone ... When we hear a recording of our voice, it doesn’t always sound familiar to us because our perception of our ...