Minus 23 or minus 24? Europe and the US measure loudness differently — the broadcast delivery rules made simple.
Drop an audio file and verify it meets EBU R 128 broadcast loudness: −23 LUFS ±0.5 LU integrated, true peak ≤ −1 dBTP — measured with BS.1770-4 in your browser.
Check a US television deliverable against ATSC A/85 / CALM Act: −24 LKFS ±2 dB integrated, true peak ≤ −2 dBTP.
Turn a measured programme loudness into the correct AC-3 dialnorm metadata value and see the attenuation a decoder will apply.
Enter your measured integrated, true peak and LRA plus a standard's limits to get a single pass/fail with the exact margin on every parameter.
Repurposing a mix between loudness standards? Pick source and destination spec — get the exact gain and the checks to re-run.
Measure inter-sample true peaks (4× oversampled, BS.1770 Annex 2) and check against the −1 dBTP broadcast/streaming ceiling.
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