Your Voice Is Different to You

That jarring moment when you hear a recording of yourself and think, "Do I really sound like that?" is a universal experience rooted in physics. When you speak, the sound you perceive is a unique mix created by two simultaneous pathways. The first is air conduction: sound waves travel from your mouth, through the air, and into your ear canal to vibrate your eardrum. This is how everyone else hears you. The second, however, is a private, internal pathway called bone conduction. Vibrations from your vocal cords travel directly through the solid bones of your jaw and skull to your inner ear.

This dual-path system is what creates the discrepancy. The dense bones of your skull are far more efficient at transmitting lower-frequency vibrations than the air is. This process adds a layer of bass and resonance to your voice that only you can hear, giving it a richer, deeper-timbred quality inside your own head. A microphone, acting like an external ear, can only capture the sound transmitted through the air. When you listen to a playback, you are hearing your voice stripped of that familiar, low-frequency bone conduction. It’s not a different voice; it’s simply the version the rest of the world has always heard.