LESSON 5 · Light, Sound & the Invisible Spectrum
Your Brain's Audio Mix
Every time you speak, your brain runs a live mixing session. It blends two inputs: the air-conducted sound coming in through your ear canals, and the bone-conducted sound humming through your skull.
You have heard this exact blend since you first babbled as a baby. Over the years it became the voice you think of as yours — a version that exists only inside your head.