Broadcast WAV (BWF) Reel Size Calculator
Size a polyphonic BWF location-sound reel from track count, sample rate, bit depth and duration for DIT and sound-report planning.
Location recordists capture every radio mic as an ISO track plus a mix — 10 tracks at 48k/24-bit over a 4-hour shooting day is ~12 GB of BWF. Sound is tiny next to picture, but it still needs offloading, backup and sync prep; this sizes the day's audio rushes precisely.
Rule / Formula
Size a polyphonic BWF location-sound reel from track count, sample rate, bit depth and duration for DIT and sound-report planning.
About Broadcast WAV (BWF) Reel Size Calculator
Size a polyphonic BWF location-sound reel from track count, sample rate, bit depth and duration for DIT and sound-report planning. Location recordists capture every radio mic as an ISO track plus a mix — 10 tracks at 48k/24-bit over a 4-hour shooting day is ~12 GB of BWF. Sound is tiny next to picture, but it still needs offloading, backup and sync prep; this sizes the day's audio rushes precisely.
How to use Broadcast WAV (BWF) Reel Size Calculator
- 1Enter your values into the fields in Broadcast WAV (BWF) Reel Size Calculator.
- 2The result and any pass/fail verdict update instantly as you type — no button to press.
- 3Check the substituted formula and worked example to see exactly how the result was derived.
- 4Copy or note the result for your spec, delivery or planning.
Why use Broadcast WAV (BWF) Reel Size Calculator?
- ✓Runs entirely in your browser with instant, private results — no data leaves your device.
- ✓Built on a published reference: EBU Tech 3285 (BWF); location-sound workflow.
- ✓Shows the governing formula and a worked example, so you can trust and check every result.
- ✓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 Broadcast WAV (BWF) Reel Size Calculator do?+
Size a polyphonic BWF location-sound reel from track count, sample rate, bit depth and duration for DIT and sound-report planning. Location recordists capture every radio mic as an ISO track plus a mix — 10 tracks at 48k/24-bit over a 4-hour shooting day is ~12 GB of BWF.
Is my data private?+
Yes. Broadcast WAV (BWF) Reel Size Calculator runs entirely in your browser — your inputs are never uploaded, stored or logged.
What standard or source is Broadcast WAV (BWF) Reel Size Calculator based on?+
It follows EBU Tech 3285 (BWF); location-sound workflow. Always confirm against the current official document, as specifications and rates can change.
What formula does it use?+
Broadcast WAV (BWF) Reel Size Calculator uses: bytes = tracks × sampleRate × (bits/8) × seconds. The tool shows this formula with your own numbers substituted so you can verify the result.
Is Broadcast WAV (BWF) Reel Size Calculator 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.
Embed Broadcast WAV (BWF) Reel Size Calculator on your website
Want Broadcast WAV (BWF) Reel Size Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/broadcast-wav-bwf-size-calculator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="Broadcast WAV (BWF) Reel Size Calculator — ToolJolt" loading="lazy"></iframe>Related Broadcast tools
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