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 |
|---|---|---|---|---|
| -13.90 LUFS | -0.10 dB | -13.97 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 | -14.48 LUFS | inside | -3.94 dBFS | inside | -3.86 dBTP | inside | 7.88 dB | 10.69 dB | +2.81 dB | 2 |
| Dynamic piano neutral - Marko Maksimovic | -14.03 LUFS | inside | -2.01 dBFS | inside | -2.01 dBTP | inside | 16.90 dB | 12.88 dB | -4.02 dB | 2 |
| Instrumental groove hot - Nova Notion | -13.60 LUFS | inside | -2.11 dBFS | inside | -2.01 dBTP | inside | 13.10 dB | 13.06 dB | -0.04 dB | 2 |
| Amazon Music Stereo Reference stereo stress sequence | -13.97 LUFS | inside | -2.01 dBFS | inside | -2.01 dBTP | inside | 17.83 dB | 13.24 dB | -4.59 dB | 2 |