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db20

Amplitude decibel scale (20 × log₁₀).

Y = db20(X)

Returns 20 * log10(X) — the amplitude-ratio dB conversion (used for voltage / pressure / displacement amplitudes).

db20(10) % 20
  • db — Decibel scale (10 × log₁₀).
  • log10 — Base-10 logarithm.