Basis: Legacy working reference.
Deezer has historically described a -15 LUFS normalization target, but it is not a current public delivery requirement. These checks validate the APU product recipes on deterministic stereo material; they do not certify platform or broadcaster acceptance.
Sources: Deezer normalization discussion
| Learn-pass Integrated LUFS | Locked Delta | Program Integrated LUFS | Program Sample Peak | Program True Peak |
|---|---|---|---|---|
| -13.73 LUFS | -1.27 dB | -15.08 LUFS | -1.95 dBFS | -1.82 dBTP |
| Rendered Clip | Integrated Loudness | LUFS Class | Sample Peak | Sample Peak Class | True Peak | True Peak Class | Source Active-program RMS Range | Output Active-program RMS Range | Active-program RMS Range Change | Channels |
|---|---|---|---|---|---|---|---|---|---|---|
| Pop vocal soft - Chill Winston | -22.27 LUFS | inside | -14.37 dBFS | inside | -13.54 dBTP | inside | 7.88 dB | 7.88 dB | +0.00 dB | 2 |
| Dynamic piano neutral - Marko Maksimovic | -16.53 LUFS | inside | -1.95 dBFS | inside | -1.94 dBTP | inside | 16.90 dB | 16.66 dB | -0.23 dB | 2 |
| Instrumental groove hot - Nova Notion | -14.81 LUFS | inside | -2.06 dBFS | inside | -1.81 dBTP | inside | 13.10 dB | 13.48 dB | +0.37 dB | 2 |
| Deezer Stereo Reference stereo stress sequence | -15.08 LUFS | inside | -1.95 dBFS | inside | -1.82 dBTP | inside | 17.83 dB | 17.83 dB | +0.00 dB | 2 |