Germany ARD / ZDF long form loudness spec
What a file has to measure to pass this spec, and where each figure comes from.
| Check | Required | In LC-1 |
|---|---|---|
| Integrated loudness | −23.0 ±0.5 LUFS | Fixed with a level change |
| True peak | −1.0 dBTP max | Limited, with audition |
| Loudness range | 20 LU max | Flagged |
Worth knowing
Live content is allowed ±1.0 LU.
Data source(s)
- ARD, ZDF, ORF and SRG technical production guidelines (TPRF), 28 November 2025
Figures taken from the documents above and last read on 10 October 2026.
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