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 |
|---|---|---|---|---|
| -14.75 LUFS | -0.25 dB | -14.96 LUFS | -1.01 dBFS | -1.01 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 | -15.61 LUFS | inside | -5.10 dBFS | inside | -5.01 dBTP | inside | 7.88 dB | 11.50 dB | +3.62 dB | 2 |
| Dynamic piano neutral - Marko Maksimovic | -14.87 LUFS | inside | -1.01 dBFS | inside | -1.01 dBTP | inside | 16.90 dB | 13.43 dB | -3.47 dB | 2 |
| Instrumental groove hot - Nova Notion | -14.67 LUFS | inside | -1.16 dBFS | inside | -1.01 dBTP | inside | 13.10 dB | 13.06 dB | -0.04 dB | 2 |
| Deezer Stereo Reference stereo stress sequence | -14.96 LUFS | inside | -1.01 dBFS | inside | -1.01 dBTP | inside | 17.83 dB | 13.55 dB | -4.28 dB | 2 |