Professional podcast narration
- Input
- Gravação em estúdio home
- Expected output
- Pico -3 dBFS, RMS -18 dBFS, LUFS ~-16
Typical values before dynamic compression.
what is LUFS audio normalization
LUFS, RMS, and peak: understand audio volume measurements
Audio volume can be measured in three main ways: peak (the maximum instantaneous amplitude value), RMS (the quadratic mean representing perceived power), and LUFS (integrated loudness weighted by human perception, per ITU-R BS.1770). Each measure serves a different purpose in the production chain.
Continue in the tool
Open full toolWhen to use peak, RMS, or LUFS as a reference
- Peak (dBFS): use to ensure the signal does not distort. Keep the maximum peak at -1 dBFS before distributing. RMS (dBFS): use to compare average energy levels between tracks or check consistency in narration. LUFS: use to meet streaming and broadcast platform standards. It is the measure closest to the volume the listener actually perceives.
Typical reference values
Music for Spotify
- Input
- Mix finalizado antes de mastering
- Expected output
- Pico -1 dBFS, LUFS integrado -14
Spotify normalizes automatically to -14 LUFS; deliveries above are not amplified.
Full tool FAQ
Peak normalization increases or reduces the overall gain of an audio file so that the maximum peak amplitude reaches a defined target level — usually -1 dBFS to avoid clipping on playback systems. It is the simplest and most direct normalization method.
Frequently asked questions
Why is the LUFS shown in the tool an estimate?
The rigorous calculation of integrated LUFS (ITU-R BS.1770) requires a K-weighting filter (high-pass + shelf pre-filter) and analysis in 400 ms blocks with overlap. The tool uses a weighted RMS approximation — close enough for reference, but not certified for broadcast use.
Does this page replace official or professional review?
No. It helps explain the scenario and use the tool more safely, but real decisions should consider official sources, full context and qualified guidance when needed.