Music & Acoustics

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Room Resonance (Axial Mode)

Lowest standing-wave frequency between two parallel walls.

Formula

f = \frac{c}{2L}

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Variables

fMode frequency (Hz)

cSpeed of sound 343 m/s

LWall distance (m)

Example

L=5 m: f = 343/10 = 34.3 Hz

Did You Know?

Room modes cause bass notes to boom or vanish depending on where you stand — the bane of home studios.

music acoustics room resonance

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