Canada CBC / Radio-Canada broadcast radio commercials 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 | −24.0 ±1 LKFS | Fixed with a level change |
| True peak | −2.0 dBTP max | Limited, with audition |
| Format | 48 kHz | Flagged |
Worth knowing
ICI Musique asks for a quarter of a second of silence before and after the commercial; that is not checked here.
Data source(s)
- CBC/Radio-Canada technical specifications for radio commercials delivery v1.2, 20 April 2015
Figures taken from the documents above and last read on 10 October 2026, as quotes extracted from the source: confirm against the full document before relying on it.
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