Basis: Working playback reference.
Amazon Music exposes a Loudness Normalization playback option but does not publish -14 LUFS as a delivery requirement. These checks validate the APU product recipes on deterministic stereo material; they do not certify platform or broadcaster acceptance.
Sources: Amazon Music Loudness Normalization
| Learn-pass Integrated LUFS | Locked Delta | Program Integrated LUFS | Program Sample Peak | Program True Peak |
|---|---|---|---|---|
| -14.18 LUFS | +0.18 dB | -14.10 LUFS | -2.01 dBFS | -2.01 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 | -13.82 LUFS | inside | -5.15 dBFS | inside | -4.75 dBTP | inside | 7.88 dB | 8.79 dB | +0.91 dB | 2 |
| Dynamic piano neutral - Marko Maksimovic | -15.14 LUFS | below | -2.01 dBFS | inside | -2.01 dBTP | inside | 16.90 dB | 14.71 dB | -2.18 dB | 2 |
| Instrumental groove hot - Nova Notion | -13.61 LUFS | inside | -2.26 dBFS | inside | -2.01 dBTP | inside | 13.10 dB | 13.15 dB | +0.05 dB | 2 |
| Amazon Music Stereo Reference stereo stress sequence | -14.10 LUFS | inside | -2.01 dBFS | inside | -2.01 dBTP | inside | 17.83 dB | 14.46 dB | -3.37 dB | 2 |