EBU R 128 s1 Short-Form / Commercial Checker
QC commercials and short-form content: −23 LUFS ±0.5 LU plus the max short-term −18 LUFS ceiling many EU broadcasters enforce.
EBU R 128 s1 supplements the base recommendation for short content like spots and trailers. The Max Short-term loudness measured over 3 s windows is the binding extra constraint this tool checks.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
QC commercials and short-form content: −23 LUFS ±0.5 LU plus the max short-term −18 LUFS ceiling many EU broadcasters enforce.
About EBU R 128 s1 Short-Form / Commercial Checker
QC commercials and short-form content: −23 LUFS ±0.5 LU plus the max short-term −18 LUFS ceiling many EU broadcasters enforce. EBU R 128 s1 supplements the base recommendation for short content like spots and trailers. The Max Short-term loudness measured over 3 s windows is the binding extra constraint this tool checks.
How to use EBU R 128 s1 Short-Form / Commercial Checker
- 1Drag a file onto EBU R 128 s1 Short-Form / Commercial Checker, or click to choose one — it is analysed locally and never uploaded.
- 2Wait a moment while the tool processes the file entirely in your browser.
- 3Read the result, metrics and pass/fail verdict.
- 4Copy or export the report for your delivery, QC log or records.
Why use EBU R 128 s1 Short-Form / Commercial Checker?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: EBU R 128 s1: Loudness parameters for short-form content.
- ✓100% free with no sign-up, no watermark and no usage limits.
- ✓Works on any device — desktop, tablet or phone — and keeps working offline once loaded.
Frequently asked questions
What does EBU R 128 s1 Short-Form / Commercial Checker do?+
QC commercials and short-form content: −23 LUFS ±0.5 LU plus the max short-term −18 LUFS ceiling many EU broadcasters enforce. EBU R 128 s1 supplements the base recommendation for short content like spots and trailers.
Is my file uploaded to a server?+
No. EBU R 128 s1 Short-Form / Commercial Checker processes your file entirely in your browser using local JavaScript and the Web platform — your media never leaves your device, so it is safe for unreleased or confidential content.
What standard or source is EBU R 128 s1 Short-Form / Commercial Checker based on?+
It follows EBU R 128 s1: Loudness parameters for short-form content; EBU Tech 3341: Loudness Metering ('EBU Mode'). Always confirm against the current official document, as specifications and rates can change.
Is EBU R 128 s1 Short-Form / Commercial Checker free to use?+
Yes — it is completely free with no account, no sign-up and no usage limits. There is no watermark and no paywall.
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