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Sound Journey Through Your Ear

Drag the pitch, press Send Sound, and watch one tone travel from the air, through the eardrum, into the cochlea, and on to the brain — the journey a viral ear-anatomy video couldn't quite explain.

Ready
Pick a pitch above and press Send Sound. The amber packet will trace all eight stages in about 13 seconds.

Tonotopic Map · where this pitch peaks on the basilar membrane

Current tone (440 Hz) Apex (low pitch) ◀━━━━━━━━━━▶ Base (high pitch) Greenwood: x = log₁₀(f/A + 1) / a, A≈0.008, a≈2.1