Japan commercial TV 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 | −28.0 to −24.0 LKFS | Fixed with a level change |
| True peak | −1.0 dBTP max | Limited, with audition |
| Top and tail silence | 15 frames under −60 dBFS | Muted, with audition |
| Format | 48 kHz, 24-bit PCM | Flagged |
Worth knowing
−24.0 LKFS is both the maximum and the recommended level. A commercial under −28.0 LKFS is flagged as low.
Data source(s)
- JBA T032 as explained by JAAA
- Cape Japan spec
- XR Japan spec
- ARIB TR-B32
Figures taken from the documents above and last read on 10 October 2026.
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