db

Decibel scale (10 × log₁₀).

Syntax

Y = db(X)

Description

Returns 10 * log10(X) — the power-ratio dB conversion. Use db20 for amplitude-ratio dB.

Examples

db(100)                    % 20
db(1)                      % 0

See also

• db20 — Amplitude decibel scale (20 × log₁₀).
• log10 — Base-10 logarithm.