dBFS (Decibels Full Scale)

Definition

A measurement unit for digital audio levels, where 0 dBFS represents the maximum possible level. All practical signal levels are expressed as negative values below this ceiling.

In Simple Terms

A way to measure volume inside your computer, where 0 is the absolute maximum. Everything you see on your DAW meters is measured in dBFS. Stay below 0 to avoid distortion.

Sources & Verification

• →
  AES17-2020 — AES standard method for digital audio engineering
  Audio Engineering Society, 2020
  https://www.aes.org/publications/standards/
• →
  ITU-R BS.1770-4 — Algorithms to measure audio programme loudness and true-peak audio level
  International Telecommunication Union, 2015
  https://www.itu.int/rec/R-REC-BS.1770

Last verified: 2026-05-04

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