Digital / Free browser tool

FFT Window Duration

See the time span covered by an analysis window.

Your result
Window duration (ms)
85.33333

How this works

window seconds = samples/sample rate

Use the result carefully

Longer windows trade temporal localization for denser frequency spacing.

Calculations run on your device. No audio uploads, account, or email required. Numerical outputs are rounded for display; these tools do not analyze a recording unless explicitly stated.

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