Glossary → Audio fundamentals
Audio fundamentals

dBFS (decibels relative to full scale)

dBFS measures digital audio level against the maximum a file can represent: 0 dBFS is the ceiling, and every signal sits at negative values below it.

Exceeding 0 dBFS clips the waveform into distortion, which is why recording practice leaves headroom — peaks around −6 to −12 dBFS. dBFS describes peaks; perceived loudness is measured separately in LUFS.

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